CN103108935A - Formaldehyde scavenger - Google Patents

Formaldehyde scavenger Download PDF

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Publication number
CN103108935A
CN103108935A CN2011800419382A CN201180041938A CN103108935A CN 103108935 A CN103108935 A CN 103108935A CN 2011800419382 A CN2011800419382 A CN 2011800419382A CN 201180041938 A CN201180041938 A CN 201180041938A CN 103108935 A CN103108935 A CN 103108935A
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Prior art keywords
formaldehyde
trapping agent
ethylene urea
ammonium phosphate
sample
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CN103108935B (en
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植田成治
根岸重夫
村田裕司
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Oshika KK
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Oshika KK
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Building Environments (AREA)
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Abstract

Provided is a formaldehyde scavenger provided with performance superior to cases when either a formaldehyde scavenger formed only from ethyleneurea or a formaldehyde scavenger formed only from ammonium phosphate is used independently. The formaldehyde scavenger contains ethyleneurea or a derivative thereof and ammonium phosphate in a ratio by weight of 9.5/0.5 - 0.3/9.74 ethyleneurea or derivative thereof to ammonium phosphate. This ammonium phosphate is any of monobasic ammonium phosphate, dibasic ammonium phosphate or a mixture of monobasic ammonium phosphate and dibasic ammonium phosphate. Furthermore, the formaldehyde scavenger preferably contains urea.

Description

Formaldehyde-trapping agent
Technical field
The present invention relates to a kind of formaldehyde-trapping agent.
Background technology
When making the wood materials such as glued board, shaving board, MDF (medium density fibre board (MDF)) or make the dwelling house materials such as the furniture that uses above-mentioned wood materials, building materials, using sometimes formaldehyde is tackiness agent.In this case, can discharge from above-mentioned furniture, building materials etc. from the free formaldehyde out of above-mentioned tackiness agent, yet, in recent years, along with the resistance to air loss in house uprises, cause the Health cost such as sick building syndrome by described formaldehyde.
In addition, the dwelling house materials such as lagging material, cushioning material, lagging material are used as with built-in materials such as the mansion headed by ordinary residence, factory, warehouses by being that tackiness agent or phenol resins are that the inorganic materials such as tackiness agent fixing glass cotton, asbestos are made with formaldehyde.Also can discharge above-mentioned formaldehyde from these materials, although small, can pollute inside, room.
Therefore, in the past, the known formaldehyde-trapping agent that seizure is arranged, decompose above-mentioned formaldehyde.As above-mentioned formaldehyde-trapping agent, for example by the applicant, the formaldehyde-trapping agent (referring to patent documentation 1) that is made of primary ammonium phosphate and ammonium hydrogen phosphate is disclosed.
In addition, as above-mentioned formaldehyde-trapping agent, known its uses ethylene urea or derivatives thereof (for example, referring to patent documentation 2).
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2007-191575 communique
Patent documentation 2: TOHKEMY 2005-103903 communique
Summary of the invention
Invent problem to be solved
Although above-mentioned existing formaldehyde-trapping agent can obtain effect to a certain degree, expectation possesses the formaldehyde-trapping agent of more excellent performance.
In view of the foregoing, the purpose of this invention is to provide a kind of formaldehyde-trapping agent, the performance of excellence when it possesses than the formaldehyde-trapping agent that only uses separately respectively the formaldehyde-trapping agent that is made of ethylene urea or only be made of ammonium phosphate.
Solve the method for problem
In order to reach described purpose, formaldehyde-trapping agent of the present invention is characterised in that, contains ethylene urea or derivatives thereof and ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9.5/0.5～0.3/9.7 scope.
By formaldehyde-trapping agent of the present invention, the effect of excellence in the time of can obtaining than respectively independent use ethylene urea or derivatives thereof and ammonium phosphate can obtain the above excellent effect of summation of the effect of the effect of ethylene urea or derivatives thereof and ammonium phosphate.In formaldehyde-trapping agent of the present invention, when the weight ratio of above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate is outside above-mentioned scope, the effect of excellence in the time of can't obtaining than the independent use ethylene urea or derivatives thereof of difference and ammonium phosphate, perhaps, can't obtain the above effect of summation of the effect of the effect of ethylene urea or derivatives thereof and ammonium phosphate.
Formaldehyde-trapping agent of the present invention preferably contains above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9.5/0.5～0.5/9.5 scope.In addition, formaldehyde-trapping agent of the present invention more preferably contains above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9/1～1/10 scope, and then particularly preferably the weight ratio with ethylene urea or derivatives thereof/ammonium phosphate=7/3～2.5/7.5 scope contains above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate.Can obtain the above very excellent effect of summation of the effect of the effect of ethylene urea or derivatives thereof and ammonium phosphate.
In formaldehyde-trapping agent of the present invention, as above-mentioned ammonium phosphate, can use separately respectively primary ammonium phosphate or ammonium hydrogen phosphate, also can use the mixture of primary ammonium phosphate and ammonium hydrogen phosphate.In addition, in formaldehyde-trapping agent of the present invention, above-mentioned ammonium phosphate more preferably contains primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of primary ammonium phosphate/ammonium hydrogen phosphate=7/3～1/9 scope.
In addition, formaldehyde-trapping agent of the present invention by containing urea, can obtain more excellent effect except containing above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate.
The formaldehyde-trapping agent of the present invention that contains above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate can directly use with the powder state, but also can dissolve or be dispersed in water use.
In addition, formaldehyde-trapping agent of the present invention is fit to be coated on various materials.Particularly for the wood materials such as shaving board, MDF, if it is compared with glued board, not only on the timber cross section but expose the cured article that a lot of formaldehyde are tackiness agent on whole surface, so in the situation that use separately respectively ethylene urea or derivatives thereof and ammonium phosphate sometimes can't obtain sufficient effect.But, by formaldehyde-trapping agent of the present invention, also can obtain excellent effect for wood materials such as shaving board, MDF.
The invention still further relates to the shaving board that is coated with above-mentioned formaldehyde-trapping agent.
Description of drawings
Fig. 1 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of the yellow Liu An glued board of 3mm.
Fig. 2 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of the yellow Liu An glued board of 3mm.
Fig. 3 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of the yellow Liu An glued board of 3mm.
Fig. 4 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of the yellow Liu An glued board of 12mm.
Fig. 5 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Fig. 6 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Fig. 7 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Fig. 8 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Fig. 9 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Figure 10 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of shaving board.
Figure 11 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of glass wool.
Figure 12 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of glass wool.
Figure 13 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of calcium silicate board.
Figure 14 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of calcium silicate board.
Figure 15 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of paper.
Figure 16 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of cotton.
Figure 17 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of trevira.
Figure 18 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of polypropylene fibre.
Figure 19 means that formaldehyde-trapping agent of the present invention is to the graphic representation of the effect of resin sheet.
Embodiment
Below, illustrate in greater detail embodiments of the present invention.
The formaldehyde-trapping agent of present embodiment contains ethylene urea or derivatives thereof and ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9.5/0.5～0.3/9.7 scope.Above-mentioned ethylene urea derivative is the compound that following structural formula (1) represents.
Figure BDA00002868685600041
(in formula, R 1, R 2, R 3, R 4Represent that independently of one another hydrogen atom, carbonatoms are that 1～6 alkyl, carbonatoms are that 1～6 the alkyl that contains hydroxyl, carbonatoms carbonatoms are 1～6 alkoxyl group)
In addition, above-mentioned ethylene urea is R in said structure formula (1) 1, R 2, R 3, R 4Be the compound of hydrogen atom.
In addition, in the formaldehyde-trapping agent of present embodiment, above-mentioned ammonium phosphate is any in the mixture of primary ammonium phosphate, ammonium hydrogen phosphate or primary ammonium phosphate and ammonium hydrogen phosphate.
In addition, in the formaldehyde-trapping agent of present embodiment, above-mentioned ammonium phosphate is the mixture of primary ammonium phosphate and ammonium hydrogen phosphate, can contain primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of primary ammonium phosphate/ammonium hydrogen phosphate=7/3～1/9 scope.
In addition, the formaldehyde-trapping agent of present embodiment also can further contain urea.In this case, the addition of setting urea is the weight below 5 times of the total weight of above-mentioned ethylene urea or derivatives thereof and above-mentioned ammonium phosphate.
The formaldehyde-trapping agent of present embodiment can or will further be added with the mixture of ethylene urea or derivatives thereof and ammonium phosphate the mixture that urea forms and directly use with the state of powder in this mixture, the state that also can dissolve or be dispersed in water with liquid uses.
The formaldehyde-trapping agent of present embodiment can be combined with other known formaldehyde reodorant in the scope of not damaging its formaldehyde catching performance, also can be combined with various Synergist S-421 95s.As above-mentioned known formaldehyde reodorant, for example, can enumerate the combination, hydrazide compound, ammonium chloride, ammonium sulfate, ammonium nitrate, S-WAT, sodium bisulfite, sodium hydroxide etc. of perlite, zeolite, silica gel, gac, ferrous sulfate and L-AA.
As above-mentioned Synergist S-421 95, can enumerate tensio-active agent, sanitas, antiseptic-germicide, mould inhibitor, insect-proof agent, anti-termite agent, antioxidant, UV light absorber, static inhibitor, fire retardant, rust-preventive agent, dyestuff, pigment, dispersion agent, defoamer, frostproofer, metallic salts of weak, metal halide, extender, weighting agent, synthetic resin emulsion etc.
In addition, as above-mentioned tensio-active agent, for example, can enumerate nonionic surfactant, sulfonic acid type anion surfactant, sulfuric acid ester type anion surfactant, phosphate type anion surfactant etc.In addition, as above-mentioned metallic salts of weak, for example, can enumerate sodium acetate, sodium stearate, sodium carbonate etc.
In addition, as above-mentioned metal halide, for example, can enumerate calcium chloride, magnesium chloride etc.In addition, as above-mentioned extender, weighting agent, for example, can enumerate crystalline silica, aluminium hydroxide, aluminum oxide etc.
In addition, as above-mentioned synthetic resin emulsion, for example, can enumerate vinyl acetate polymer emulsion, ethane-acetic acid ethyenyl ester copolymer emulsion, vinyl-acetic ester-tertiary monocarboxylic acid ester copolymer emulsion, ethane-acetic acid ethyenyl ester-vinyl chloride copolymer emulsion, ethane-acetic acid ethyenyl ester-acrylate copolymer emulsion, acrylate polymer emulsion, acrylic styrene copolymer emulsion, vinyl chloride-base polymer emulsion, polyether polyols with reduced unsaturation emulsion, silicone polymer emulsion, epoxy polymer emulsion, wax emulsion, styrene butadiene copolymer emulsion etc.
The formaldehyde-trapping agent of present embodiment can be added on the powder state in the inorganic materials such as the wood materials such as glued board, shaving board, MDF, glass wool, asbestos, various synthetic resins material, filamentary material, paper etc. and use, or is coated on these materials with liquid state and uses.Its result can be made the dwelling house materials, dwelling house of the formaldehyde-trapping agent that contains present embodiment with built-in material, interior automotive trim material etc., maybe can make methyl aldehyde adsorption material.
As above-mentioned dwelling house materials, can enumerate wall coverings material, flooring material, window frame etc.In addition, as above-mentioned dwelling house built-in material, can enumerate curtain, carpet, wallpaper etc.In addition, as above-mentioned sheet for interior material, can enumerate panel, plate, sheet material etc.
In addition, contain the dwelling house materials, dwelling house of the formaldehyde-trapping agent of present embodiment with built-in material, interior automotive trim material etc., himself can be used as above-mentioned methyl aldehyde adsorption material and use.
Next, provide embodiments of the invention and comparative example.
Embodiment
(the yellow Liu An glued board (1) of A-1.3mm)
(embodiment 1)
In the present embodiment, at first, ethylene urea 9.5 weight parts, primary ammonium phosphate 0.1 weight part and ammonium hydrogen phosphate 0.4 weight part are mixed the preparation formaldehyde-trapping agent.Need to prove, the weight ratio of ethylene urea and ammonium phosphate (total of primary ammonium phosphate and ammonium hydrogen phosphate) is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Subsequently, at the star-like yellow Liu An glued board of the 3mm (density 0.45～0.55g/cm of F2 3, hereinafter referred to as the 3mm glued board) the formaldehyde-trapping agent aqueous solution of single face coating the present embodiment.The formaldehyde-trapping agent aqueous solution of setting the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2
Then, with having applied air-dry 1～3 day of the above-mentioned 3mm glued board of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate.The formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Secondly, the burst size of methanal test of stipulating in the JAS by glued board, the burst size of methanal of mensuration said sample.The results are shown in table 1.
Then, by the glass moisture eliminator method of stipulating in JIS, measure the burst size of methanal of said sample, and calculate the formaldehyde catching rate by following formula (1).
Formaldehyde catching rate (%)=(Fc-Fd)/Fc * 100...... (1)
In formula, Fc is the burst size of methanal of above-mentioned 3mm glued board of the formaldehyde-trapping agent that do not apply the present embodiment, and Fd is the burst size of methanal of said sample.In addition, Fc is 0.81mg/L.Resulting formaldehyde catching rate be the results are shown in table 1 and Fig. 1.
Need to prove, in Fig. 1, transverse axis is the ammonium phosphate ratio with respect to formaldehyde-trapping agent integral body, is the value that obtains divided by the summation of ethylene urea, primary ammonium phosphate and ammonium hydrogen phosphate with the summation of primary ammonium phosphate and ammonium hydrogen phosphate.
(embodiment 2)
In the present embodiment, ethylene urea 9 weight parts, primary ammonium phosphate 0.2 weight part and ammonium hydrogen phosphate 0.8 weight part are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 3)
In the present embodiment, ethylene urea 7 weight parts, primary ammonium phosphate 0.6 weight part and ammonium hydrogen phosphate 2.4 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 4)
In the present embodiment, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 5)
In the present embodiment, ethylene urea 2.5 weight parts, primary ammonium phosphate 1.5 weight parts and ammonium hydrogen phosphate 6 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 6)
In the present embodiment, ethylene urea 1 weight part, primary ammonium phosphate 1.8 weight parts and ammonium hydrogen phosphate 7.2 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 7)
In the present embodiment, ethylene urea 0.5 weight part, primary ammonium phosphate 1.9 weight parts and ammonium hydrogen phosphate 7.6 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(embodiment 8)
In the present embodiment, ethylene urea 0.3 weight part, primary ammonium phosphate 1.94 weight parts and ammonium hydrogen phosphate 7.76 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.3/9.7.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(comparative example 1)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 1 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
(comparative example 2)
In this comparative example, do not use ethylene urea, primary ammonium phosphate 2 weight parts and ammonium hydrogen phosphate 8 weight parts are mixed, operate with embodiment 1 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 1 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 1 and Fig. 1.
Need to prove, in Fig. 1, the line that dotted line is the result of the formaldehyde-trapping agent of the comparative example 1 that will only be made of ethylene urea 10 weight parts, couple together with the result of the formaldehyde-trapping agent of this comparative example that namely only is made of ammonium phosphate 10 weight parts primary ammonium phosphate 2 weight parts and ammonium hydrogen phosphate 8 weight parts.With with respect to the ammonium phosphate of formaldehyde-trapping agent integral body than corresponding, above-mentioned dotted line represents the summation of the effect of the effect of ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(table 1)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 1 10/0 0.29 64.8
Embodiment 1 9.5/0.5 0.26 68.5
Embodiment 2 9/1 0.23 71.4
Embodiment 3 7/3 0.18 78.0
Embodiment 4 5/5 0.15 81.3
Embodiment 5 2.5/7.5 0.17 78.5
Embodiment 6 1/9 0.19 76.1
Embodiment 7 0.5/9.5 0.19 76.6
Embodiment 8 0.3/9.7 0.17 79.4
Comparative example 2 0/10 0.30 63.0
The formaldehyde-trapping agent of embodiment 1～8 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.3/9.7 scope.The formaldehyde-trapping agent of comparative example 1 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 2 does not contain ethylene urea, only phosphoric acid ammonium dihydrogen and ammonium hydrogen phosphate.
By table 1 and Fig. 1 as can be known, the formaldehyde-trapping agent of embodiment 1～8 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 1 and comparative example 2.In addition, as can be known, the formaldehyde-trapping agent of embodiment 1～8 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(the yellow Liu An glued board (2) of A-2.3mm)
(embodiment 9)
In the present embodiment, at first, ethylene urea 9.5 weight parts and primary ammonium phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 1 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 0.90mg/L.The results are shown in table 2 and Fig. 2.
(embodiment 10)
In the present embodiment, ethylene urea 9 weight parts and primary ammonium phosphate 1 weight part are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 11)
In the present embodiment, ethylene urea 7 weight parts and primary ammonium phosphate 3 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 12)
In the present embodiment, ethylene urea 5 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 13)
In the present embodiment, ethylene urea 2.5 weight parts and primary ammonium phosphate 7.5 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 14)
In the present embodiment, ethylene urea 1 weight part and primary ammonium phosphate 9 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 15)
In the present embodiment, ethylene urea 0.5 weight part and primary ammonium phosphate 9.5 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(embodiment 16)
In the present embodiment, ethylene urea 0.3 weight part and primary ammonium phosphate 9.7 weight parts are mixed, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.3/9.7.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(comparative example 3)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 9 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(comparative example 4)
In this comparative example, do not use ethylene urea and ammonium hydrogen phosphate, only use primary ammonium phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 9 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 9 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 9 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 2 and Fig. 2.
(table 2)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 3 10/0 0.27 69.8
Embodiment 9 9.5/0.5 0.23 74.0
Embodiment 10 9/1 0.23 74.4
Embodiment 11 7/3 0.14 85.0
Embodiment 12 5/5 0.19 79.0
Embodiment 13 2.5/7.5 0.22 76.1
Embodiment 14 1/9 0.19 78.6
Embodiment 15 0.5/9.5 0.22 75.2
Embodiment 16 0.3/9.7 0.21 76.5
Comparative example 4 0/10 0.48 46.2
The formaldehyde-trapping agent of embodiment 9～16 is phosphoric acid hydrogen ammonium not, contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.3/9.7 scope.The formaldehyde-trapping agent of comparative example 3 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 4 does not contain ethylene urea and ammonium hydrogen phosphate, only the phosphoric acid ammonium dihydrogen.
By table 2 and Fig. 2 as can be known, the formaldehyde-trapping agent of embodiment 9～16 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 3 and comparative example 4.In addition, as can be known, the formaldehyde-trapping agent of embodiment 9～16 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate.
(the yellow Liu An glued board (3) of A-3.3mm)
(embodiment 17)
In the present embodiment, at first, ethylene urea 9.5 weight parts and ammonium hydrogen phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 1 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 1.09mg/L.The results are shown in table 3 and Fig. 3.
(embodiment 18)
In the present embodiment, ethylene urea 9 weight parts and ammonium hydrogen phosphate 1 weight part are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 19)
In the present embodiment, ethylene urea 7 weight parts and ammonium hydrogen phosphate 3 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 20)
In the present embodiment, ethylene urea 5 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 21)
In the present embodiment, ethylene urea 2.5 weight parts and ammonium hydrogen phosphate 7.5 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 22)
In the present embodiment, ethylene urea 1 weight part and ammonium hydrogen phosphate 9 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 23)
In the present embodiment, ethylene urea 0.5 weight part and ammonium hydrogen phosphate 9.5 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(embodiment 24)
In the present embodiment, ethylene urea 0.3 weight part and ammonium hydrogen phosphate 9.7 weight parts are mixed, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.3/9.7.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(comparative example 5)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 17 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(comparative example 6)
In this comparative example, do not use ethylene urea and primary ammonium phosphate, only use ammonium hydrogen phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 17 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 17 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 17 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 3 and Fig. 3.
(table 3)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 5 10/0 0.32 70.3
Embodiment 17 9.5/0.5 0.27 75.3
Embodiment 18 9/1 0.27 75.6
Embodiment 19 7/3 0.19 82.9
Embodiment 20 5/5 0.24 77.7
Embodiment 21 2.5/7.5 0.22 79.8
Embodiment 22 1/9 0.24 77.7
Embodiment 23 0.5/9.5 0.27 74.9
Embodiment 24 0.3/9.7 0.26 75.9
Comparative example 6 0/10 0.43 60.9
The formaldehyde-trapping agent of embodiment 17～24 is the phosphoric acid ammonium dihydrogen not, contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.3/9.7 scope.The formaldehyde-trapping agent of comparative example 5 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 6 does not contain ethylene urea and primary ammonium phosphate, only phosphoric acid hydrogen ammonium.
By table 3 and Fig. 3 as can be known, the formaldehyde-trapping agent of embodiment 17～24 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 5 and comparative example 6.In addition, as can be known, the formaldehyde-trapping agent of embodiment 17～24 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and ammonium hydrogen phosphate.
(the yellow Liu An glued board (4) of A-4.3mm)
(embodiment 25)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Then, operate with embodiment 1 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 0.81mg/L.The table 4 that the results are shown in resulting burst size of methanal and formaldehyde catching rate.
(embodiment 26)
In the present embodiment, at first, also mix urea 12 weight parts except mixed ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts, the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate the preparation formaldehyde-trapping agent aqueous solution formaldehyde-trapping agent 20 weight parts that obtain and ion exchanged water 80 weight parts with embodiment 25 in using the present embodiment identically.
Secondly, operate with embodiment 25 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 25 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 4.
(table 4)
? Urea/(ethylene urea+ammonium phosphate) Ethylene urea/ammonium phosphate Burst size of methanal The formaldehyde catching rate
Embodiment 25 0 3/5 0.23 71.0
Embodiment 26 1.5 3/5 0.20 75.6
The formaldehyde-trapping agent of embodiment 25 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, does not contain urea.The formaldehyde-trapping agent of embodiment 26 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, simultaneously to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 4, compare with the formaldehyde-trapping agent of embodiment 25, the formaldehyde-trapping agent of embodiment 26 can obtain more excellent effect aspect the formaldehyde catching rate.
(the yellow Liu An glued board (5) of A-5.3mm)
(embodiment 27)
In the present embodiment, at first, ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 25 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, operate with embodiment 25 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 25 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 5.
(embodiment 28)
In the present embodiment, at first, mixed ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts, but also mix urea 12 weight parts, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 26 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 27 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 27 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 5.
(table 5)
? Urea/(ethylene urea+ammonium phosphate) Ethylene urea/ammonium phosphate Burst size of methanal The formaldehyde catching rate
Embodiment 27 0 3/5 0.25 69.1
Embodiment 28 1.5 3/5 0.22 72.8
The formaldehyde-trapping agent of embodiment 27 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid hydrogen ammonium and urea.The formaldehyde-trapping agent of embodiment 28 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid hydrogen ammonium not is meanwhile to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 5, compare with the formaldehyde-trapping agent of embodiment 27, the formaldehyde-trapping agent of embodiment 28 can obtain more excellent effect aspect the formaldehyde catching rate.
(the yellow Liu An glued board (6) of A-6.3mm)
(embodiment 29)
In the present embodiment, at first, ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 25 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, operate with embodiment 25 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, operate with embodiment 25 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 6.
(embodiment 30)
In the present embodiment, at first, also mix urea 12 weight parts except mixed ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts, operate with embodiment 26 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 29, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of the single face of above-mentioned 3mm glued board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of the single face of said sample with dry weight 2
Then, the sample for preparing in using the present embodiment, operate with embodiment 29 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 6.
(table 6)
? Urea/(ethylene urea+ammonium phosphate) Ethylene urea/ammonium phosphate Burst size of methanal The formaldehyde catching rate
Embodiment 29 0 3/5 0.23 71.0
Embodiment 30 1.5 3/5 0.19 77.0
The formaldehyde-trapping agent of embodiment 29 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid ammonium dihydrogen and urea.The formaldehyde-trapping agent of embodiment 30 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid ammonium dihydrogen not is meanwhile to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 6, compare with the formaldehyde-trapping agent of embodiment 29, the formaldehyde-trapping agent of embodiment 30 can obtain more excellent effect aspect the formaldehyde catching rate.
(B.12mm yellow Liu An glued board)
(embodiment 31)
In the present embodiment, at first, ethylene urea 9.5 weight parts and ammonium hydrogen phosphate 0.5 weight part are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Subsequently, at the star-like yellow Liu An glued board of the 12mm (density 0.45～0.55g/cm of F3 3, hereinafter referred to as the 12mm glued board) the formaldehyde-trapping agent aqueous solution of tow sides coatings the present embodiment.The formaldehyde-trapping agent aqueous solution of setting the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned 12mm glued board 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned 12mm glued board of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate.The formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 0.45mg/L.Resulting burst size of methanal and formaldehyde catching rate be the results are shown in table 7 and Fig. 4.
(embodiment 32)
In the present embodiment, ethylene urea 9 weight parts and ammonium hydrogen phosphate 1 weight part are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 33)
In the present embodiment, ethylene urea 7 weight parts and ammonium hydrogen phosphate 3 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 34)
In the present embodiment, ethylene urea 5 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 35)
In the present embodiment, ethylene urea 2.5 weight parts and ammonium hydrogen phosphate 7.5 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 36)
In the present embodiment, ethylene urea 1 weight part and ammonium hydrogen phosphate 9 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 37)
In the present embodiment, ethylene urea 0.5 weight part and ammonium hydrogen phosphate 9.5 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(embodiment 38)
In the present embodiment, ethylene urea 0.3 weight part and ammonium hydrogen phosphate 9.7 weight parts are mixed, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.3/9.7.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(comparative example 7)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, in addition, operate the preparation formaldehyde-trapping agent aqueous solution with embodiment 31 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses this comparative example, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using this comparative example, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(comparative example 8)
In this comparative example, do not use ethylene urea and primary ammonium phosphate, only use ammonium hydrogen phosphate 10 weight parts to prepare formaldehyde-trapping agent, in addition, operate with embodiment 31 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses this comparative example, operate with embodiment 31, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using this comparative example, operate with embodiment 31 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 7 and Fig. 4.
(table 7)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 7 10/0 0.20 55.5
Embodiment 31 9.5/0.5 0.14 69.9
Embodiment 32 9/1 0.13 70.7
Embodiment 33 7/3 0.09 79.1
Embodiment 34 5/5 0.11 75.8
Embodiment 35 2.5/7.5 0.10 77.4
Embodiment 36 1/9 0.11 74.9
Embodiment 37 0.5/9.5 0.10 77.4
Embodiment 38 0.3/9.7 0.11 76.5
Comparative example 8 0/10 0.22 50.6
The formaldehyde-trapping agent of embodiment 31～38 is the phosphoric acid ammonium dihydrogen not, contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.3/9.7 scope.The formaldehyde-trapping agent of comparative example 7 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 8 does not contain ethylene urea and primary ammonium phosphate, only phosphoric acid hydrogen ammonium.
By table 7 and Fig. 4 as can be known, the formaldehyde-trapping agent of embodiment 31～38 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 7 and comparative example 8.In addition, as can be known, the formaldehyde-trapping agent of embodiment 31～38 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and ammonium hydrogen phosphate.
(C-1. shaving board (1))
(embodiment 39)
In the present embodiment, at first, ethylene urea 9.5 weight parts, primary ammonium phosphate 0.1 weight part and ammonium hydrogen phosphate 0.4 weight part are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, be dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution with formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment with as tensio-active agent 1 weight part of permeate agent.
As above-mentioned tensio-active agent, use with general formula R O (CH 2CH 2O) nThe nonionic that H represents is tensio-active agent.In above-mentioned general formula, R is that carbonatoms is 8 aliphatic alkyl, and n is 8.
Subsequently, at star-like 5.5mm shaving board (the density 0.8g/cm of F2 3) the formaldehyde-trapping agent aqueous solution of tow sides coatings the present embodiment.The formaldehyde-trapping agent aqueous solution of setting the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned shaving board of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate.The formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, by the burst size of methanal test of stipulating in JIS A1460, measure the burst size of methanal of said sample.The results are shown in table 8.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 1.12mg/L.Resulting formaldehyde catching rate be the results are shown in table 8 and Fig. 5.
(embodiment 40)
In the present embodiment, ethylene urea 9 weight parts, primary ammonium phosphate 0.2 weight part and ammonium hydrogen phosphate 0.8 weight part are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(embodiment 41)
In the present embodiment, ethylene urea 7 weight parts, primary ammonium phosphate 0.6 weight part and ammonium hydrogen phosphate 2.4 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(embodiment 42)
In the present embodiment, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(embodiment 43)
In the present embodiment, ethylene urea 2.5 weight parts, primary ammonium phosphate 1.5 weight parts and ammonium hydrogen phosphate 6 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(embodiment 44)
In the present embodiment, ethylene urea 1 weight part, primary ammonium phosphate 1.8 weight parts and ammonium hydrogen phosphate 7.2 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(embodiment 45)
In the present embodiment, ethylene urea 0.5 weight part, primary ammonium phosphate 1.9 weight parts and ammonium hydrogen phosphate 7.6 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(comparative example 9)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(comparative example 10)
In this comparative example, do not use ethylene urea, primary ammonium phosphate 2 weight parts and ammonium hydrogen phosphate 8 weight parts are mixed, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 39 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 8 and Fig. 5.
(table 8)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 9 10/0 0.69 38.4
Embodiment 39 9.5/0.5 0.60 46.4
Embodiment 40 9/1 0.55 50.9
Embodiment 41 7/3 0.40 64.3
Embodiment 42 5/5 0.40 64.3
Embodiment 43 2.5/7.5 0.49 56.3
Embodiment 44 1/9 0.55 50.9
Embodiment 45 0.5/9.5 0.67 40.2
Comparative example 10 0/10 0.95 15.2
The formaldehyde-trapping agent of embodiment 39～45 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.5/9.5 scope.The formaldehyde-trapping agent of comparative example 9 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 10 does not contain ethylene urea, only phosphoric acid ammonium dihydrogen and ammonium hydrogen phosphate.
By table 8 and Fig. 5 as can be known, the formaldehyde-trapping agent of embodiment 39～45 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 9 and comparative example 10.In addition, as can be known, the formaldehyde-trapping agent of embodiment 39～45 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(C-2. shaving board (2))
(embodiment 46)
In the present embodiment, at first, ethylene urea 9.5 weight parts, primary ammonium phosphate 0.1 weight part and ammonium hydrogen phosphate 0.4 weight part are mixed, operate the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 39 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(embodiment 47)
In the present embodiment, ethylene urea 9 weight parts, primary ammonium phosphate 0.2 weight part and ammonium hydrogen phosphate 0.8 weight part are mixed, operate with embodiment 46 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(embodiment 48)
In the present embodiment, ethylene urea 7 weight parts, primary ammonium phosphate 0.6 weight part and ammonium hydrogen phosphate 2.4 weight parts are mixed, in addition, operate with embodiment 46 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(embodiment 49)
In the present embodiment, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate with embodiment 46 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(embodiment 50)
In the present embodiment, ethylene urea 2.5 weight parts, primary ammonium phosphate 1.5 weight parts and ammonium hydrogen phosphate 6 weight parts are mixed, operate with embodiment 46 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(embodiment 51)
In the present embodiment, ethylene urea 1 weight part, primary ammonium phosphate 1.8 weight parts and ammonium hydrogen phosphate 7.2 weight parts are mixed, in addition, operate with embodiment 46 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using the present embodiment, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(comparative example 11)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, in addition, operate the preparation formaldehyde-trapping agent aqueous solution with embodiment 46 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses this comparative example, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using this comparative example, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(comparative example 12)
In this comparative example, do not use ethylene urea, primary ammonium phosphate 2 weight parts and ammonium hydrogen phosphate 8 weight parts are mixed, operate with embodiment 46 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses this comparative example, operate with embodiment 46, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, the sample for preparing in using this comparative example, operate with embodiment 46 identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 9 and Fig. 6.
(table 9)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 11 10/0 0.45 59.8
Embodiment 46 9.5/0.5 0.39 65.2
Embodiment 47 9/1 0.37 67.0
Embodiment 48 7/3 0.28 75.0
Embodiment 49 5/5 0.29 74.1
Embodiment 50 2.5/7.5 0.27 75.9
Embodiment 51 1/9 0.40 64.3
Comparative example 12 0/10 0.86 23.2
The formaldehyde-trapping agent of embodiment 46～51 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～1/9 scope.The formaldehyde-trapping agent of comparative example 11 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 12 does not contain ethylene urea, only phosphoric acid ammonium dihydrogen and ammonium hydrogen phosphate.
By table 9 and Fig. 6 as can be known, the formaldehyde-trapping agent of embodiment 46～51 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 11 and comparative example 12.In addition, as can be known, the formaldehyde-trapping agent of embodiment 46～51 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(C-3. shaving board (3))
(embodiment 52)
In the present embodiment, at first, ethylene urea 9.5 weight parts and primary ammonium phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(embodiment 53)
In the present embodiment, ethylene urea 9 weight parts and primary ammonium phosphate 1 weight part are mixed, operate with embodiment 52 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(embodiment 54)
In the present embodiment, ethylene urea 7 weight parts and primary ammonium phosphate 3 weight parts are mixed, operate with embodiment 52 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(embodiment 55)
In the present embodiment, ethylene urea 5 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate with embodiment 52 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(embodiment 56)
In the present embodiment, ethylene urea 2.5 weight parts and primary ammonium phosphate 7.5 weight parts are mixed, operate with embodiment 52 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(comparative example 13)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 52 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(comparative example 14)
In this comparative example, do not use ethylene urea and ammonium hydrogen phosphate, only use primary ammonium phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 52 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 52 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 52 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 10 and Fig. 7.
(table 10)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 13 10/0 0.69 38.4
Embodiment 52 9.5/0.5 0.56 50.0
Embodiment 53 9/1 0.48 57.1
Embodiment 54 7/3 0.45 59.8
Embodiment 55 5/5 0.42 62.5
Embodiment 56 2.5/7.5 0.53 52.7
Comparative example 14 0/10 1.12 0.0
The formaldehyde-trapping agent of embodiment 52～56 is phosphoric acid hydrogen ammonium not, contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～2.5/7.5 scope.The formaldehyde-trapping agent of comparative example 13 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 14 does not contain ethylene urea and ammonium hydrogen phosphate, only the phosphoric acid ammonium dihydrogen.
By table 10 and Fig. 7 as can be known, the formaldehyde-trapping agent of embodiment 52～56 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 13 and comparative example 14.In addition, as can be known, the excellent effect of the formaldehyde-trapping agent of embodiment 52～56 more than the summation of the effect of the effect that can obtain that dotted line represents, ethylene urea aspect the formaldehyde catching rate and primary ammonium phosphate.
(C-4. shaving board (4))
(embodiment 57)
In the present embodiment, at first, ethylene urea 9.5 weight parts and primary ammonium phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 39 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(embodiment 58)
In the present embodiment, ethylene urea 9 weight parts and primary ammonium phosphate 1 weight part are mixed, operate with embodiment 57 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(embodiment 59)
In the present embodiment, ethylene urea 7 weight parts and primary ammonium phosphate 3 weight parts are mixed, operate with embodiment 57 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(embodiment 60)
In the present embodiment, ethylene urea 5 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate with embodiment 57 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(embodiment 61)
In the present embodiment, ethylene urea 2.5 weight parts and primary ammonium phosphate 7.5 weight parts are mixed, operate with embodiment 57 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(comparative example 15)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 57 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(comparative example 16)
In this comparative example, do not use ethylene urea and ammonium hydrogen phosphate, only use primary ammonium phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 57 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 57 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 57 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 11 and Fig. 8.
(table 11)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 15 10/0 0.45 59.8
Embodiment 57 9.5/0.5 0.38 66.1
Embodiment 58 9/1 0.33 70.5
Embodiment 59 7/3 0.28 75.0
Embodiment 60 5/5 0.30 73.2
Embodiment 61 2.5/7.5 0.36 67.9
Comparative example 16 0/10 1.06 5.4
The formaldehyde-trapping agent of embodiment 57～61 is phosphoric acid hydrogen ammonium not, contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～2.5/7.5 scope.The formaldehyde-trapping agent of comparative example 15 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 16 does not contain ethylene urea and ammonium hydrogen phosphate, only the phosphoric acid ammonium dihydrogen.
By table 11 and Fig. 8 as can be known, the formaldehyde-trapping agent of embodiment 57～61 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 15 and comparative example 16.In addition, as can be known, the excellent effect of the formaldehyde-trapping agent of embodiment 57～61 more than the summation of the effect of the effect that can obtain that dotted line represents, ethylene urea aspect the formaldehyde catching rate and primary ammonium phosphate.
(C-5. shaving board (5))
(embodiment 62)
In the present embodiment, at first, ethylene urea 9.5 weight parts and ammonium hydrogen phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 2.2g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(embodiment 63)
In the present embodiment, ethylene urea 9 weight parts and ammonium hydrogen phosphate 1 weight part are mixed, operate with embodiment 62 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(embodiment 64)
In the present embodiment, ethylene urea 7 weight parts and ammonium hydrogen phosphate 3 weight parts are mixed, operate with embodiment 62 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(embodiment 65)
In the present embodiment, ethylene urea 5 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate with embodiment 62 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(embodiment 66)
In the present embodiment, ethylene urea 2.5 weight parts and ammonium hydrogen phosphate 7.5 weight parts are mixed, operate with embodiment 62 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(comparative example 17)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 62 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(comparative example 18)
In this comparative example, do not use ethylene urea and primary ammonium phosphate, only use ammonium hydrogen phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 62 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 62 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 62 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 12 and Fig. 9.
(table 12)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 17 10/0 0.69 38.4
Embodiment 62 9.5/0.5 0.66 41.1
Embodiment 63 9/1 0.50 55.4
Embodiment 64 7/3 0.40 64.3
Embodiment 65 5/5 0.46 58.9
Embodiment 66 2.5/7.5 0.52 53.6
Comparative example 18 0/10 1.12 0.0
The formaldehyde-trapping agent of embodiment 62～66 is the phosphoric acid ammonium dihydrogen not, contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～2.5/7.5 scope.The formaldehyde-trapping agent of comparative example 17 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 18 does not contain ethylene urea and primary ammonium phosphate, only phosphoric acid hydrogen ammonium.
By table 12 and Fig. 9 as can be known, the formaldehyde-trapping agent of embodiment 62～66 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 17 and comparative example 18.In addition, as can be known, the formaldehyde-trapping agent of embodiment 62～66 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and ammonium hydrogen phosphate.
(C-6. shaving board (6))
(embodiment 67)
In the present embodiment, at first, ethylene urea 9.5 weight parts and ammonium hydrogen phosphate 0.5 weight part are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 39 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 39 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(embodiment 68)
In the present embodiment, ethylene urea 9 weight parts and ammonium hydrogen phosphate 1 weight part are mixed, operate with embodiment 67 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(embodiment 69)
In the present embodiment, ethylene urea 7 weight parts and ammonium hydrogen phosphate 3 weight parts are mixed, operate with embodiment 67 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(embodiment 70)
In the present embodiment, ethylene urea 5 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate with embodiment 67 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(embodiment 71)
In the present embodiment, ethylene urea 2.5 weight parts and ammonium hydrogen phosphate 7.5 weight parts are mixed, operate with embodiment 67 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(comparative example 19)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 67 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(comparative example 20)
In this comparative example, do not use ethylene urea and primary ammonium phosphate, only use ammonium hydrogen phosphate 10 weight parts to prepare formaldehyde-trapping agent, operate with embodiment 67 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 67 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 67 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 13 and Figure 10.
(table 13)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 19 10/0 0.45 59.8
Embodiment 67 9.5/0.5 0.36 67.9
Embodiment 68 9/1 0.33 70.5
Embodiment 69 7/3 0.30 73.2
Embodiment 70 5/5 0.30 73.2
Embodiment 71 2.5/7.5 0.35 68.8
Comparative example 20 0/10 0.85 24.1
The formaldehyde-trapping agent of embodiment 67～71 is the phosphoric acid ammonium dihydrogen not, contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～2.5/7.5 scope.The formaldehyde-trapping agent of comparative example 19 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 20 does not contain ethylene urea and primary ammonium phosphate, only phosphoric acid hydrogen ammonium.
By table 13 and Figure 10 as can be known, the formaldehyde-trapping agent of embodiment 67～71 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 19 and comparative example 20.In addition, as can be known, the formaldehyde-trapping agent of embodiment 67～71 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and ammonium hydrogen phosphate.
(C-7. shaving board (7))
(embodiment 72)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Subsequently, be dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution with formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment with as tensio-active agent 1 weight part of permeate agent.Above-mentioned tensio-active agent uses the material identical with embodiment 39.
Secondly, operate with embodiment 39 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 39 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 0.81mg/L.The table 14 that the results are shown in resulting burst size of methanal and formaldehyde catching rate.
(embodiment 73)
In the present embodiment, at first, also mix urea 12 weight parts except mixed ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts, the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, use formaldehyde-trapping agent 20 weight parts and ion exchanged water 80 weight parts that obtain in the present embodiment, operate with embodiment 39 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.
Subsequently, operate with embodiment 72 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 14.
(table 14)
The formaldehyde-trapping agent of embodiment 72 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, does not contain urea.The formaldehyde-trapping agent of embodiment 73 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, simultaneously to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 14, the formaldehyde-trapping agent of embodiment 73 is compared with the formaldehyde-trapping agent of embodiment 72 and can obtained more excellent effect aspect the formaldehyde catching rate.
(C-8. shaving board (8))
(embodiment 74)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 72 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 72 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 3.6g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 15.
(embodiment 75)
In the present embodiment, at first, mixed ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts, but also mix urea 12 weight parts, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 73 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 74 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 44.4g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 8.9g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 74 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 15.
(table 15)
Figure BDA00002868685600411
The formaldehyde-trapping agent of embodiment 74 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, does not contain urea.The formaldehyde-trapping agent of embodiment 75 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, simultaneously to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 15, the formaldehyde-trapping agent of embodiment 75 is compared with the formaldehyde-trapping agent of embodiment 74 and can obtained more excellent effect aspect the formaldehyde catching rate.
(C-9. shaving board (9))
(embodiment 76)
In the present embodiment, at first, ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 72 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, operate with embodiment 72 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 16.
(embodiment 77)
In the present embodiment, at first, mixed ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts, but also mix urea 12 weight parts, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 73 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 76 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 76 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 16.
(table 16)
Figure BDA00002868685600421
The formaldehyde-trapping agent of embodiment 76 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid hydrogen ammonium and urea.The formaldehyde-trapping agent of embodiment 77 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid hydrogen ammonium not is simultaneously to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 16, the formaldehyde-trapping agent of embodiment 77 is compared with the formaldehyde-trapping agent of embodiment 76 and can obtained more excellent effect aspect the formaldehyde catching rate.
(C-10. shaving board (10))
(embodiment 78)
In the present embodiment, at first, ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 72 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Subsequently, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 72 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 3.6g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 17.
(embodiment 79)
In the present embodiment, at first, mixed ethylene urea 3 weight parts and primary ammonium phosphate 5 weight parts, but also mix urea 12 weight parts, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 73 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 78 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 44.4g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 8.9g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 78 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 17.
(table 17)
Figure BDA00002868685600431
The formaldehyde-trapping agent of embodiment 78 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid hydrogen ammonium and urea.The formaldehyde-trapping agent of embodiment 79 contains ethylene urea and primary ammonium phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid hydrogen ammonium not is meanwhile to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 17, the formaldehyde-trapping agent of embodiment 79 is compared with the formaldehyde-trapping agent of embodiment 78 and can obtained more excellent effect aspect the formaldehyde catching rate.
(C-11. shaving board (11))
(embodiment 80)
In the present embodiment, at first, ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 72 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, operate with embodiment 72 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 1.8g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 18.
(embodiment 81)
In the present embodiment, at first, also mix urea 12 weight parts except mixed ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts, operate with embodiment 73 identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 80 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 22.2g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 4.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 80 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 18.
(table 18)
Figure BDA00002868685600451
The formaldehyde-trapping agent of embodiment 80 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid ammonium dihydrogen and urea.The formaldehyde-trapping agent of embodiment 81 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid ammonium dihydrogen not is meanwhile to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 18, the formaldehyde-trapping agent of embodiment 81 is compared with the formaldehyde-trapping agent of embodiment 80 and can obtained more excellent effect aspect the formaldehyde catching rate.
(C-12. shaving board (12))
(embodiment 82)
In the present embodiment, at first, ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts are mixed, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 72 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Subsequently, use the formaldehyde-trapping agent aqueous solution of the present embodiment, and the coating amount of setting this formaldehyde-trapping agent aqueous solution is 44.4g/m with respect to positive and negative each face of above-mentioned shaving board 2, operate with embodiment 72 in addition, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent of the present embodiment is counted 3.6g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 72 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 19.
(embodiment 83)
In the present embodiment, at first, mixed ethylene urea 3 weight parts and ammonium hydrogen phosphate 5 weight parts, but also mix urea 12 weight parts, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 73 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.In addition, the addition of urea is the weight of 1.5 times with respect to the total weight of ethylene urea and ammonium phosphate.
Secondly, operate with embodiment 82 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.The formaldehyde-trapping agent aqueous solution of the present embodiment is 44.4g/m with respect to the coating amount of positive and negative each face of above-mentioned shaving board 2, the formaldehyde-trapping agent of the present embodiment is counted 8.9g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 82 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 19.
(table 19)
Figure BDA00002868685600461
The formaldehyde-trapping agent of embodiment 82 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, not phosphoric acid ammonium dihydrogen and urea.The formaldehyde-trapping agent of embodiment 83 contains ethylene urea and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=3/5, and phosphoric acid ammonium dihydrogen not is meanwhile to contain urea with respect to the total weight of ethylene urea and ammonium phosphate as the weight ratio of 1.5 times.
As shown in Table 19, the formaldehyde-trapping agent of embodiment 83 is compared with the formaldehyde-trapping agent of embodiment 82 and can obtained more excellent effect aspect the formaldehyde catching rate.
(D-1. glass wool (1))
(embodiment 84)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Subsequently, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, the glass wool of the thick 5cm of density 32K is cut into 10.6cm square, at the formaldehyde-trapping agent aqueous solution of its one-sided spraying coating the present embodiment.With respect to above-mentioned glass wool 100 weight parts, the coating amount of the formaldehyde-trapping agent aqueous solution of the present embodiment is 2 weight parts.
Thereafter, with having applied air-dry 1～3 day of the above-mentioned glass wool of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate.
Then, the burst size of methanal test of stipulating in the JAS by cord-wood (integrated timber), the burst size of methanal of mensuration said sample.The results are shown in table 20.
Then, operate with embodiment 1 sample for preparing in using the present embodiment identically, measure the formaldehyde catching rate of said sample.In addition, be used for calculating the above-mentioned formula (1) of formaldehyde catching rate, Fc is 0.29mg/L.Resulting formaldehyde catching rate be the results are shown in table 20 and Figure 11.
(embodiment 85)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Subsequently, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Then, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Secondly, operate with embodiment 84 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 20 and Figure 11.
(embodiment 86)
In the present embodiment, at first, ethylene urea 1 weight part, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/5.
Secondly, formaldehyde-trapping agent 6 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 94 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 84 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 20 and Figure 11.
(embodiment 87)
In the present embodiment, at first, ethylene urea 0.5 weight part, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/5.
Secondly, formaldehyde-trapping agent 5.5 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 94.5 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 84 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 20 and Figure 11.
(comparative example 21)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 5 weight parts to prepare formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/0.
Subsequently, formaldehyde-trapping agent 5 weight parts that obtain in this comparative example are dissolved in ion exchanged water 95 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 84 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 20 and Figure 11.
(comparative example 22)
In this comparative example, do not use ethylene urea, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/5.
Subsequently, formaldehyde-trapping agent 5 weight parts that obtain in this comparative example are dissolved in ion exchanged water 95 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 84 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 20 and Figure 11.
(table 20)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 21 5/0 0.17 41.4
Embodiment 84 5/5 0.06 79.3
Embodiment 85 3/5 0.09 69.0
Embodiment 86 1/5 0.10 65.5
Embodiment 87 0.5/5 0.14 51.7
Comparative example 22 0/5 0.28 3.4
The formaldehyde-trapping agent of embodiment 84～87 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～0.5/5 scope.The formaldehyde-trapping agent of comparative example 21 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 22 does not contain ethylene urea, only phosphoric acid ammonium dihydrogen and ammonium hydrogen phosphate.
By table 20 and Figure 11 as can be known, the formaldehyde-trapping agent of embodiment 84～87 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 21 and comparative example 22.In addition, as can be known, the formaldehyde-trapping agent of embodiment 84～91 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(D-2. glass wool (2))
(embodiment 88)
In the present embodiment, at first, ethylene urea 9.5 weight parts, primary ammonium phosphate 0.1 weight part and ammonium hydrogen phosphate 0.4 weight part are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9.5/0.5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 84 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 84 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 89)
In the present embodiment, ethylene urea 9 weight parts, primary ammonium phosphate 0.2 weight part and ammonium hydrogen phosphate 0.8 weight part are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=9/1.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 90)
In the present embodiment, ethylene urea 7 weight parts, primary ammonium phosphate 0.6 weight part and ammonium hydrogen phosphate 2.4 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=7/3.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 91)
In the present embodiment, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 92)
In the present embodiment, ethylene urea 2.5 weight parts, primary ammonium phosphate 1.5 weight parts and ammonium hydrogen phosphate 6 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=2.5/7.5.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 93)
In the present embodiment, ethylene urea 1 weight part, primary ammonium phosphate 1.8 weight parts and ammonium hydrogen phosphate 7.2 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=1/9.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 94)
In the present embodiment, ethylene urea 0.5 weight part, primary ammonium phosphate 1.9 weight parts and ammonium hydrogen phosphate 7.6 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.5/9.5.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(embodiment 95)
In the present embodiment, ethylene urea 0.3 weight part, primary ammonium phosphate 1.94 weight parts and ammonium hydrogen phosphate 7.76 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0.3/9.7.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using the present embodiment identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(comparative example 23)
In this comparative example, primary ammonium phosphate and ammonium hydrogen phosphate do not use, and only use ethylene urea 10 weight parts to prepare formaldehyde-trapping agent, operate in addition the preparation formaldehyde-trapping agent aqueous solution with embodiment 88 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=10/0.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(comparative example 24)
In this comparative example, do not use ethylene urea, primary ammonium phosphate 2 weight parts and ammonium hydrogen phosphate 8 weight parts are mixed, operate with embodiment 88 in addition identically, the preparation formaldehyde-trapping agent aqueous solution.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=0/10.
Secondly, operate with embodiment 88 except the formaldehyde-trapping agent aqueous solution that uses this comparative example, for the preparation of the sample of measuring burst size of methanal and formaldehyde catching rate identically.
Then, operate with embodiment 88 sample for preparing in using this comparative example identically, measure burst size of methanal and the formaldehyde catching rate of said sample.The results are shown in table 21 and Figure 12.
(table 21)
? Ethylene urea/ammonium phosphate Burst size of methanal (mg/L) Formaldehyde catching rate (%)
Comparative example 23 10/0 0.10 65.5
Embodiment 88 9.5/0.5 0.04 86.2
Embodiment 89 9/1 0.03 89.7
Embodiment 90 7/3 0.03 89.7
Embodiment 91 5/5 0.03 89.7
Embodiment 92 2.5/7.5 0.05 82.8
Embodiment 93 1/9 0.05 82.8
Embodiment 94 0.5/9.5 0.07 75.9
Embodiment 95 0.3/9.7 0.07 75.9
Comparative example 24 0/10 0.20 31.0
The formaldehyde-trapping agent of embodiment 88～95 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=9.5/0.5～0.3/9.7 scope.The formaldehyde-trapping agent of comparative example 23 is the phosphoric acid ammonium not, only contains ethylene urea.The formaldehyde-trapping agent of comparative example 24 does not contain ethylene urea, only phosphoric acid ammonium dihydrogen and ammonium hydrogen phosphate.
By table 21 and Figure 12 as can be known, the formaldehyde-trapping agent of embodiment 88～95 is in the effect that possesses aspect the formaldehyde catching rate than the formaldehyde-trapping agent excellence of the formaldehyde-trapping agent of comparative example 23 and comparative example 24.In addition, as can be known, the formaldehyde-trapping agent of embodiment 88～95 can obtain aspect the formaldehyde catching rate that dotted line is represented, excellent effect more than the summation of the effect of effect ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate.
(E-1. calcium silicate board (1))
(embodiment 96)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, with 5mm calcium silicate board (trade(brand)name: Hiluc0.8FK, the A﹠amp of Co., Ltd.; A Material manufacturing) be cut into 9cm square, at the formaldehyde-trapping agent aqueous solution of its tow sides coating the present embodiment.The coating amount of positive and negative each face of the calcium silicate board that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 123.5g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned calcium silicate board of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 12.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, approximately place waste material (Kimwipe (registered trademark)) made of paper in the bottom of the vinylformic acid moisture eliminator processed of 40L at volume, 37% formalin 4 μ L are dripped on this waste material.Maintenance 1 day makes in above-mentioned moisture eliminator to be full of formaldehyde.
Subsequently, place the said sample for preparing in the present embodiment in being full of the above-mentioned moisture eliminator of formaldehyde.Then, use immediately formaldehyde that the GASTEC of Co., Ltd. produces to measure concentration of formaldehyde in above-mentioned moisture eliminator with detector tube 91L, with resulting value as initial stage concentration.What be explained is that above-mentioned initial stage concentration is 8.0ppm.
Use formaldehyde examination pipe 171SC that bright Physicochemical Industrial Co., Ltd produce measure 2 hour after and 8 hour after concentration of formaldehyde above-mentioned moisture eliminator in thereafter.Then, for resulting concentration of formaldehyde, convert as 100% with above-mentioned initial stage concentration, the result that calculates is the formaldehyde survival rate.The results are shown in table 22 and Figure 13 with what concentration of formaldehyde changed.
(embodiment 97)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 96, for the preparation of the sample of measuring concentration of formaldehyde identically.The coating amount of positive and negative each face of the calcium silicate board that the formaldehyde-trapping agent aqueous solution of the present embodiment is square with respect to above-mentioned 9cm is 123.5g/m 2, the formaldehyde-trapping agent of the present embodiment is counted 9.9g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.What be explained is that above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 22 and Figure 13 with what concentration of formaldehyde changed.
(table 22)
Figure BDA00002868685600531
The formaldehyde-trapping agent of embodiment 96 and embodiment 97 contains ethylene urea, primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 22 and Figure 13 as can be known, the formaldehyde-trapping agent of embodiment 96 and embodiment 97 all possesses excellent formaldehyde catching performance on calcium silicate board.
(E-2. calcium silicate board (2))
(embodiment 98)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate the preparation formaldehyde-trapping agent aqueous solution with embodiment 96 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, operate with embodiment 96, for the preparation of the sample of measuring concentration of formaldehyde identically.The coating amount of positive and negative each face of the calcium silicate board that the formaldehyde-trapping agent aqueous solution of the present embodiment is square with respect to above-mentioned 9cm is 493.8g/m 2, the formaldehyde-trapping agent of the present embodiment is counted 49.4g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 23 and Figure 14 with what concentration of formaldehyde changed.
(embodiment 99)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed, operate the preparation formaldehyde-trapping agent aqueous solution with embodiment 97 identically.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, operate with embodiment 98 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The coating amount of positive and negative each face of the calcium silicate board that the formaldehyde-trapping agent aqueous solution of the present embodiment is square with respect to above-mentioned 9cm is 493.8g/m 2, the formaldehyde-trapping agent of the present embodiment is counted 39.5g/m with respect to the coating amount of each face of said sample with dry weight 2
Then, operate with embodiment 98 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 23 and Figure 14 with what concentration of formaldehyde changed.
(table 23)
The formaldehyde-trapping agent of embodiment 98 and embodiment 99 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 23 and Figure 14 as can be known, the formaldehyde-trapping agent of embodiment 98 and embodiment 99 all possesses excellent formaldehyde catching performance on calcium silicate board.
(F. paper)
(embodiment 100)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, with paper (wood grain cover paper, paper pulp 100%, weight 430g/m 2) to be cut into 9cm square, at the formaldehyde-trapping agent aqueous solution of its single face coating the present embodiment.The coating amount of the single face of the paper that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 61.7g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned paper of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 6.2g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.8ppm.The results are shown in table 24 and Figure 15 with what concentration of formaldehyde changed.
(embodiment 101)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 100 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The formaldehyde-trapping agent of the present embodiment is counted 4.9g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 100 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 24 and Figure 15 with what concentration of formaldehyde changed.
(table 24)
Figure BDA00002868685600551
The formaldehyde-trapping agent of embodiment 100 and embodiment 101 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 24 and Figure 15 as can be known, the formaldehyde-trapping agent of embodiment 100 and embodiment 101 all possesses excellent formaldehyde catching performance on paper.
(G. cotton)
(embodiment 102)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, cotton (cotton 100%, trade(brand)name: know that many snow shine new eastern one (knowing many snow Shai Xin East Taiwan)) is cut into 9cm square, at the formaldehyde-trapping agent aqueous solution of its single face coating the present embodiment.The coating amount of the single face of the cotton that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 123.5g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned cotton of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 12.4g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.8ppm.The results are shown in table 25 and Figure 16 with what concentration of formaldehyde changed.
(embodiment 103)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 102 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The formaldehyde-trapping agent of the present embodiment is counted 9.9g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 102 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 25 and Figure 16 with what concentration of formaldehyde changed.
(table 25)
Figure BDA00002868685600561
The formaldehyde-trapping agent of embodiment 102 and embodiment 103 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 25 and Figure 16 as can be known, the formaldehyde-trapping agent of embodiment 102 and embodiment 103 all possesses excellent formaldehyde catching performance on cotton.
(H. trevira)
(embodiment 104)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, will be as curtain cloth (polyester 100%, the weight 280g/m of trevira 2) to be cut into 9cm square, at the formaldehyde-trapping agent aqueous solution of its single face coating the present embodiment.The coating amount of the single face of the trevira that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 123.5g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned trevira of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 12.4g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 26 and Figure 17.
(embodiment 105)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 104 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The formaldehyde-trapping agent of the present embodiment is counted 9.9g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 104 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 26 and Figure 17 with what concentration of formaldehyde changed.
(table 26)
Figure BDA00002868685600571
The formaldehyde-trapping agent of embodiment 104 and embodiment 105 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 26 and Figure 17 as can be known, the formaldehyde-trapping agent of embodiment 104 and embodiment 105 all possesses excellent formaldehyde catching performance on trevira.
(I. polypropylene fibre)
(embodiment 106)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, to be cut into 9cm as the amalgamation carpet (surface is rubber, trade(brand)name for polypropylene 100%, the back side: tile carpet PH-700S, the Suminoe of Co., Ltd. make) of polypropylene fibre square, at the formaldehyde-trapping agent aqueous solution of its single face (face side) coating the present embodiment.The coating amount of the single face of the polypropylene fibre that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 123.5g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned polypropylene fibre of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 12.4g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 27 and Figure 18 with what concentration of formaldehyde changed.
(embodiment 107)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 106 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The formaldehyde-trapping agent of the present embodiment is counted 9.9g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 106 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 27 and Figure 18 with what concentration of formaldehyde changed.
(table 27)
Figure BDA00002868685600591
The formaldehyde-trapping agent of embodiment 106 and embodiment 107 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 27 and Figure 16 as can be known, the formaldehyde-trapping agent of embodiment 106 and embodiment 107 all possesses excellent formaldehyde catching performance on polypropylene fibre.
(J. resin sheet)
(embodiment 108)
In the present embodiment, at first, ethylene urea 5 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=5/5.
Secondly, formaldehyde-trapping agent 10 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 90 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, to be cut into 9cm as the wallpaper (surface is paper, trade(brand)name for polychlorovinyl sheet material, the back side: repair with wallpaper HK-14, the ASAHIPEN of Co., Ltd. and make) of resin sheet square, at the formaldehyde-trapping agent aqueous solution of its single face (face side) coating the present embodiment.The coating amount of the single face of the resin sheet that the formaldehyde-trapping agent aqueous solution of setting the present embodiment is square with respect to above-mentioned 9cm is 61.7g/m 2
Thereafter, with having applied air-dry 1～3 day of the above-mentioned resin sheet of the formaldehyde-trapping agent aqueous solution of the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde.The formaldehyde-trapping agent of the present embodiment is counted 6.2g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 96 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 28 and Figure 19 with what concentration of formaldehyde changed.
(embodiment 109)
In the present embodiment, at first, ethylene urea 3 weight parts, primary ammonium phosphate 1 weight part and ammonium hydrogen phosphate 4 weight parts are mixed the preparation formaldehyde-trapping agent.In addition, the weight ratio of ethylene urea and ammonium phosphate is ethylene urea/ammonium phosphate=3/5.
Secondly, formaldehyde-trapping agent 8 weight parts that obtain in the present embodiment are dissolved in ion exchanged water 92 weight parts the preparation formaldehyde-trapping agent aqueous solution.
Secondly, operate with embodiment 108 except the formaldehyde-trapping agent aqueous solution that uses the present embodiment, for the preparation of the sample of measuring concentration of formaldehyde identically.The formaldehyde-trapping agent of the present embodiment is counted 4.9g/m with respect to the coating amount of the above-mentioned single face of said sample with dry weight 2
Then, operate with embodiment 108 sample for preparing in using the present embodiment identically, measure the concentration of formaldehyde of said sample.In addition, above-mentioned initial stage concentration is 8.0ppm.The results are shown in table 28 and Figure 19 with what concentration of formaldehyde changed.
(table 28)
The formaldehyde-trapping agent of embodiment 108 and embodiment 109 contains ethylene urea and primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of ethylene urea/ammonium phosphate=5/5～3/5 scope.
By table 28 and Figure 19 as can be known, the formaldehyde-trapping agent of embodiment 108 and embodiment 109 all possesses excellent formaldehyde catching performance on resin sheet.

Claims (9)

1. a formaldehyde-trapping agent, is characterized in that, described formaldehyde-trapping agent contains ethylene urea or derivatives thereof and ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9.5/0.5～0.3/9.7 scope.
2. formaldehyde-trapping agent as claimed in claim 1, is characterized in that, described formaldehyde-trapping agent contains described ethylene urea or derivatives thereof and described ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9.5/0.5～0.5/9.5 scope.
3. as claim 1 or formaldehyde-trapping agent claimed in claim 2, it is characterized in that, described formaldehyde-trapping agent contains described ethylene urea or derivatives thereof and described ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=9/1～1/10 scope.
4. as claim 1 described formaldehyde-trapping agent of any one to the claim 3, it is characterized in that, described formaldehyde-trapping agent contains described ethylene urea or derivatives thereof and described ammonium phosphate with the weight ratio of ethylene urea or derivatives thereof/ammonium phosphate=7/3～2.5/7.5 scope.
5. as claim 1 described formaldehyde-trapping agent of any one to the claim 4, it is characterized in that, described ammonium phosphate is the mixture of primary ammonium phosphate, ammonium hydrogen phosphate or primary ammonium phosphate and ammonium hydrogen phosphate.
6. as claim 1 described formaldehyde-trapping agent of any one to the claim 5, it is characterized in that, described ammonium phosphate contains primary ammonium phosphate and ammonium hydrogen phosphate with the weight ratio of primary ammonium phosphate/ammonium hydrogen phosphate=7/3～1/9 scope.
7. as claim 1 described formaldehyde-trapping agent of any one to the claim 6, it is characterized in that, described formaldehyde-trapping agent contains urea.
8. as claim 1 described formaldehyde-trapping agent of any one to the claim 7, it is characterized in that, described formaldehyde-trapping agent is with described ethylene urea or derivatives thereof and the dissolving of described ammonium phosphate or be dispersed in water and form.
9. a shaving board, is characterized in that, described shaving board is coated with claim 1 described formaldehyde-trapping agent of any one to the claim 8.
CN201180041938.2A 2010-09-01 2011-08-30 Formaldehyde scavenger Expired - Fee Related CN103108935B (en)

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CN103862537A (en) * 2014-03-03 2014-06-18 广西师范大学 Method for treating formaldehyde in floors
CN104841240A (en) * 2015-05-20 2015-08-19 上海韬鸿化工科技有限公司 Nano-silver colloid formaldehyde remover
CN106268089A (en) * 2016-08-25 2017-01-04 深圳市宜丽环保科技股份有限公司 A kind of air-conditioning filter net with environmental health function
CN106349797A (en) * 2016-06-12 2017-01-25 北京化工大学 Ethylene urea composite nano-material for capturing formaldehyde and preparation method
CN106544866A (en) * 2015-09-18 2017-03-29 山东芦氏特种面料科技有限公司 The permanent fire-retardant hemp fabric of low formaldehyde
CN109173567A (en) * 2018-09-21 2019-01-11 汤美英 A kind of preparation method of formaldehyde adsorbent and formaldehyde adsorbent
CN109224840A (en) * 2018-10-18 2019-01-18 襄阳云创环保有限公司 A kind of artificial board formaldehyde eliminating agent

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CN113634116B (en) * 2021-07-21 2024-01-16 爱克太尔新材料(南京)有限公司 Biomass-based formaldehyde scavenger and preparation method and preparation device thereof

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Cited By (7)

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CN103862537A (en) * 2014-03-03 2014-06-18 广西师范大学 Method for treating formaldehyde in floors
CN104841240A (en) * 2015-05-20 2015-08-19 上海韬鸿化工科技有限公司 Nano-silver colloid formaldehyde remover
CN106544866A (en) * 2015-09-18 2017-03-29 山东芦氏特种面料科技有限公司 The permanent fire-retardant hemp fabric of low formaldehyde
CN106349797A (en) * 2016-06-12 2017-01-25 北京化工大学 Ethylene urea composite nano-material for capturing formaldehyde and preparation method
CN106268089A (en) * 2016-08-25 2017-01-04 深圳市宜丽环保科技股份有限公司 A kind of air-conditioning filter net with environmental health function
CN109173567A (en) * 2018-09-21 2019-01-11 汤美英 A kind of preparation method of formaldehyde adsorbent and formaldehyde adsorbent
CN109224840A (en) * 2018-10-18 2019-01-18 襄阳云创环保有限公司 A kind of artificial board formaldehyde eliminating agent

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WO2012029787A1 (en) 2012-03-08

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