CN101475767A - Coating for collecting formaldehyde - Google Patents
Coating for collecting formaldehyde Download PDFInfo
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- CN101475767A CN101475767A CNA2009100005057A CN200910000505A CN101475767A CN 101475767 A CN101475767 A CN 101475767A CN A2009100005057 A CNA2009100005057 A CN A2009100005057A CN 200910000505 A CN200910000505 A CN 200910000505A CN 101475767 A CN101475767 A CN 101475767A
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Abstract
The invention relates to adhesive for collecting formaldehyde and paint for collecting the formaldehyde, both of which use formaldehyde collecting agent as a composition of active components. The adhesive is used for adhesion of the outmost layer in a man-made board or adhesion and edge sealing at a kerf of the man-made board, can effectively absorb formaldehyde released by the man-made board, does not cause influence on the adhesive strength of the board, and is comparatively cheap. The paint is used for painting indoor walls, absorbs the formaldehyde in the indoor air, can also be used for painting the surface of the man-made board, seals and absorbs formaldehyde gas, and reduces the release amount of the formaldehyde. Compared with the prior art, the adhesive and the paint for collecting the formaldehyde have the advantages that the adhesive and the paint are cheap, can efficiently adsorb the formaldehyde and generate stable compounds, and do not re-decompose and release the formaldehyde, so the adhesive and the paint cannot generate other secondary pollutants.
Description
Technical field
The invention belongs to the material field, specifically relate to a kind of tackiness agent that is used for absorbing formol and coating that makes as activeconstituents by formaldehyde collecting agent.
Background technology
Along with growth in the living standard, and the continuous reinforcement of health perception and environmental consciousness, people are to own indoor environment growing interest.People use the various type materials such as wood-based plate to carry out interior decoration mostly, but wood-based panel products such as the glued board that is pressed into by urea-formaldehyde resin adhesive, Phenol aldehyde resin, melamine-formaldehyde resin adhesive etc., shaving board, density board, fine workmanship's plate become the main source of indoor formaldehyde again when beautifying the room.Producing and use the free formaldehyde that discharges in the wood-based plate, pollute living environment, infringement people's health.The reason of wood-based plate release formaldehyde is roughly as follows: remaining unreacted free formaldehyde when (1) resin is synthetic; When (2) resin is synthetic, participated in reacting the formaldehyde that generates unstable group, in hot pressing, can discharge again; (3) when resin is synthetic, be adsorbed on colloidal particle protonated formaldehyde molecule on every side, under electrolytical effect, also can discharge.
Formaldehyde can change methyl alcohol in human body, thus can cause more weak anesthetic action, influential to optic nerve.Formaldehyde can cause central nervous system, the active change of body endoenzyme and internal secretion, immune change, the formaldehyde of high density is all toxic for neural system, immunity system, liver, and exciting eye conjunctiva, respiratory mucosa and producing shed tears, runny nose, the conjunctivitis that causes, pharyngolaryngitis, asthma, bronchitis and allergic disorder.As suspect carcinogen, multiple animal shows that formaldehyde has clear and definite carinogenicity with formaldehyde for American National Occupational safety in 1981 and health institute.Formaldehyde is long latent period, and the artificial board release period is 3～5 years, and by formaldehyde-caused occupational asthma, be several weeks to the several years its latent period.
At the pollution of indoor formaldehyde, the method that people have taked many reduction formaldehyde to discharge.As improve the production technique of wood-based plate, and adjust the additional proportion of urea and formaldehyde, wait the content that reduces formaldehyde producing the terminal urea, thiocarbamide, starch, lower alcohol of adding again.Or with the woodwork of diaion glue, with the aqueous solution of ammoniacal liquor, ammonium chloride or urea further clean, the impregnating aftertreatment.But these methods all can not effectively solve formaldehyde discharges problem.
People have studied multiple other method again, attempt to solve indoor formaldehyde pollution problem.As disclosing a kind of use silica gel load TiO among the Japanese Patent JP2003144937A
2Photocatalyst comes the catalytic decomposition indoor formaldehyde, but the use of this method is subjected to restrictions such as daylight.Disclose a kind of formaldehyde absorption agent at CN1548164A, it can absorb composition as formaldehyde with the material of formaldehyde generation Manny radical reaction for using.A kind of containing of microcrystalline porous structure of many magnesium clays and the AU formaldehyde resin trapping agent used of the urea-formaldehyde resin of urea that contain are disclosed at CN1062541A.Disclose a kind of obnoxious flavour capture material that is used to remove obnoxious flavoures such as formaldehyde in CN1569313A, it comprises solid support material, NH
4Based compound, NH
2Compound, catalyzer, the halogenide of metal, nitrate, vitriol, sulphite, alkali, weak acid strong alkali salt, acid base indicator, seven kinds of compositions of tackiness agent of base.But the formaldehyde collecting agent absorbing formol efficient of these method preparations is low.In JP1999343473, use tourmalinite catalytic reduction formaldehyde, but this method can generate methyl alcohol, thereby cause secondary pollution when going back ortho-formaldehyde.
Summary of the invention
The objective of the invention is to overcome the many disadvantages of aforementioned prior art, thereby a kind of tackiness agent that is used for absorbing formol efficient, cheap and that can not cause the formaldehyde collecting agent of secondary pollution to make as activeconstituents that uses is provided.
Another object of the present invention is to provide a kind of coating that is used for absorbing formol that makes as activeconstituents by above-mentioned formaldehyde collecting agent.
The objective of the invention is to realize by the following technical solutions:
The tackiness agent that is used for absorbing formol provided by the invention, it uses formaldehyde collecting agent as activeconstituents, and this is used for respectively consisting of of absorbing formol tackiness agent:
Sizing 30～70 weight parts
Formaldehyde collecting agent 1～20 weight part
Auxiliary agent 0.5～6 weight part
Filler 0～20 weight part
Water 10～25 weight parts
Described sizing is to be selected from polyvinyl acetate emulsion, benzene emulsion, butyl emulsion, polychloroprene latex, natural rubber latex, ACRYLIC EMULSION, polyaminoester emulsion, polyvinyl alcohol resin, vinylchlorid-vinylidene chloride copolymer emulsion, the starch one or more;
Described formaldehyde collecting agent is disclosed in Chinese patent CN200410009474.9, be in the interlayer of sodium bentonite, atlapulgite or zeolite or hole, to be filled with the cuprammonium complexing ion, the mol ratio of NH3/Cu2+ is 2～6 in wherein pulverous formaldehyde collecting agent, and copper content is at 1～5wt%;
Described auxiliary agent is to be selected from dispersion agent, defoamer, thickening material, the mould inhibitor one or more;
Described dispersion agent comprises polycarboxylic acid salt's dispersion agent, high-molecular weight polymer class dispersion agent, low-molecular weight polymer class dispersion agent and coupling agent, preferred polycarboxylic acid salt's dispersion agent; As extra large river chemical company
5040, the DP-01 of the Borchigen NA20 of the DP-512 of the PA-01 of Dongfang Chemical Plant, Beijing, The East Chemical Plant,Beijing, the modest company of moral, Beyer Co., Ltd or Beijing east connection chemical industry;
Described defoamer comprises lower alcohols, mineral oils, polar organic compound class and silicoorganic compound class and fluorinated organic compound class, preferably has organic silicon compound and mineral oil defoaming agent; As the Defoamer 334 of extra large river chemical company,
A10, Defoamer 155; Or the Byk-021 of Bi Ke company;
Described thickening material comprises water-dispersion macromolecular compound, mineral substance, acrylic acid or the like, polyurethanes and consonance type thickening material, preferred acrylic acid or the like, polyurethanes and consonance type thickening material; As Haichuan Company
The Rheo-40 of the ACRYSOL GS of Rhom and Hass, the Nopco DSX 1514 of Henkel Corp. or association colloid company;
Described mould inhibitor comprises inorganic salts, substituted arene class, amine, Sulfonates, heterocycles and quinones, preferred substituted arene class and heterocycles mould inhibitor; As the Nopcocide N-96 of the MB-11 of the modest company of moral, Henkel Corp., Rhom and Hass
Or the Alex F-251 of Haichuan Company;
Described filler is to be selected from one or more of light calcium carbonate, water-ground limestone, terra alba, ground barium sulfate, mica powder, white carbon black, carbon fiber etc.;
Above-mentioned each composition is mixed evenly in proportion, can obtain being used for the tackiness agent of absorbing formol.
The above-mentioned tackiness agent that is used for absorbing formol provided by the invention is used for the bonding edge sealing at the outermost bonding or wood-based plate saw kerf place of wood-based plate, can effectively absorb the formaldehyde that discharges in the wood-based plate, and can the bond strength of sheet material not impacted, and this glue paste is less expensive.
The coating that is used for absorbing formol provided by the invention, it uses formaldehyde collecting agent as activeconstituents, and this is used for respectively consisting of of absorbing formol coating:
Film forming matter 20～70 weight parts
Formaldehyde collecting agent 1～20 weight part
Auxiliary agent 3～12 weight parts
Color stuffing 8～45 weight parts
Solvent 5～40 weight parts
Described film forming matter is to be selected from pure-acrylic emulsion, benzene emulsion, acrylate and vinyl acetate emulsion, waterborne polyurethane resin, aqueous epoxy resins, polyurethane acroleic acid copolymer emulsion, water-based fluorocarbon resin, vibrin, Synolac, Resins, epoxy, acrylic resin, aminoresin, resol, silicone resin, the fluorocarbon resin one or more;
Described formaldehyde collecting agent is disclosed in Chinese patent CN200410009474.9, be in the interlayer of sodium bentonite, atlapulgite or zeolite or hole, to be filled with the cuprammonium complexing ion, the mol ratio of NH3/Cu2+ is 2～6 in wherein pulverous formaldehyde collecting agent, and copper content is at 1～5wt%;
Described auxiliary agent is to be selected from film coalescence aid, dispersion agent, defoamer, flow agent, thickening material, mould inhibitor, pH regulator agent, anti-settling agent, the softening agent one or more;
Described film coalescence aid preferred alcohol ester-12, propylene glycol, propylene glycol monomethyl ether, propylene-glycol ethyl ether or propylene glycol butyl ether;
Described dispersion agent comprises polycarboxylic acid salt's dispersion agent, high-molecular weight polymer class dispersion agent, low-molecular weight polymer class dispersion agent and coupling agent, wherein the preferred polycarboxylic acid salt's dispersion agent of water-borne coatings; The preferred high-molecular weight polymer class of oil paint dispersion agent; As extra large river chemical company
5040, the Efka-766 of the BYK-110 of the DP-512 of the modest company of moral, Bi Ke company, EFKA company or Efka Polymer452;
Described defoamer comprises lower alcohols, mineral oils, polar organic compound class and silicoorganic compound class, polysiloxane-based and fluorinated organic compound class, and wherein water-borne coatings preferably has organic silicon compound and mineral oil defoaming agent; The preferred polysiloxane defoamer of oil paint; As the Defoamer 334 of extra large river chemical company,
The Efka-20 of the Airex970 of the Byk-021 of A10, Bi Ke company, BYK-066N, Di Gao company or EFKA company;
That described flow agent comprises is silicone based, polyacrylate(s), cellaburate and high boiling solvent, preferred silicone based flow agent; As BYK-301, the BYK-300 of Bi Ke chemistry or the Efka-30 of EFKA company;
Described thickening material comprises water-dispersion macromolecular compound, mineral substance, acrylic acid or the like, polyurethanes and consonance type thickening material, preferred acrylic acid or the like, polyurethanes and consonance type thickening material; As Haichuan Company
3551, the Nopco DSX 1514 of the ACRYSOL GS of Rhom and Hass, Henkel Corp.;
Described mould inhibitor comprises inorganic salts, substituted arene class, amine, Sulfonates, heterocycles and quinones, preferred heterocycles mould inhibitor; As the MB-11 of the modest company of moral, Rhom and Hass
The Nopcocide N-96 of Henkel Corp. or the Alex F-254 of Haichuan Company;
The preferred organic amine compound of described pH regulator agent; Amp-95 as length weathering factory;
The preferred organobentonite class of described anti-settling agent, thixotropy resin and oxidic polyethylene class anti-settling agent; WT-102,902,201P as the modest company of moral; The P-19 of length weathering factory or the FlownonSA-300 of Japanese Kyoeisha Chemical Co., Ltd.;
Described softening agent comprises ester plasticizer, epoxy plasticiser, preferred phthalic ester plasticizer; Plasticizer DOP, tributyl phosphate as Shanghai solvent factory; Germany Henkel company
Described color stuffing is to be selected from one or more of titanium white, phthalocyanine blue, carbon black, red iron oxide, zinc-chrome yellow, chrome green, zinc oxide, barium sulfate, white carbon black, talcum powder, mica, light calcium carbonate, water-ground limestone, wollastonite powder;
Described solvent is to be selected from water, ethyl acetate, butylacetate, ethylene glycol ether acetate, dimethylbenzene, butyl glycol ether, butanols, methyl iso-butyl ketone (MIBK), propylene glycol methyl ether acetate, sherwood oil, No. 200 varnish makers' and painters' naphtha, pimelinketone, No. 100, aromatic solvent, No. 150, aromatic solvent, No. 200, aromatic solvent, the mixed dibasic acid diester one or more;
Above-mentioned each composition is mixed evenly in proportion, can obtain being used for the coating of absorbing formol.
The above-mentioned coating that is used for absorbing formol provided by the invention is used for the brushing of indoor wall, airborne formaldehyde in the absorption chamber; The external coating that also can be used for artificial board, sealing absorbs formaldehyde gas, reduces burst size of methanal.
Compared with prior art, provided by the inventionly be used for the tackiness agent of absorbing formol and the advantage of coating is: cheapness, absorbing formaldehyde efficiently, and generate stable compound can not decompose again and discharges, thereby can not generate other secondary pollutant.
Embodiment
As follows among the present invention to the measuring method of absorbing formol efficient:
With sample brushing to be measured at 0.15m
3Blank sheet of paper or plank on, put into the vacuum drier of 5L, charge into after vacuumizing and contain 10～15mg/m
3Air to 1 normal atmosphere of formaldehyde, and pick up counting.Behind 4h, 24h, get 0.5L gas sample respectively, measure the wherein variation of concentration of formaldehyde.Concentration of formaldehyde is measured by the method for GB-13197-91 regulation, promptly uses the formaldehyde in a certain amount of absorbing pure water gas sample, uses the formaldehyde in the spectrophotometric determination water again.The effect of sample absorbing formol is calculated by following formula,
Wherein, A is an absorbancy, A
0And A
xBe respectively when beginning test and the absorbancy of formaldehyde air after X hour.
The tackiness agent I of embodiment 1, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 1, can obtain the tackiness agent I that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 96%.
Table 1, be used for the composition of the tackiness agent I of absorbing formol
The tackiness agent II of embodiment 2, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 2, can obtain the tackiness agent II that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 96.8%.
Table 2, be used for the composition of the tackiness agent II of absorbing formol
The tackiness agent III of embodiment 3, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 3, can obtain the tackiness agent III that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 98.2%.
Table 3, be used for the composition of the tackiness agent III of absorbing formol
The coating IV of embodiment 4, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 3, can obtain the interior wall coating III that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 91.2%.
Table 4, be used for the composition of the interior wall coating III of absorbing formol
The aqueous woodware paint coating V of embodiment 5, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 5, can obtain the aqueous woodware paint coating V that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 94.7%.
Table 5, be used for the composition of the aqueous woodware paint coating V of absorbing formol
The oiliness wood lacquer coating VI of embodiment 6, preparation absorbing formol of the present invention
Each composition is evenly mixed in the listed ratio of table 6, can obtain the oiliness wood lacquer coating VI that is used for absorbing formol of the present invention, the formaldehyde collecting rate of 24h is 96.5%.
Table 6, be used for the composition of the oiliness wood lacquer coating VI of absorbing formol
Claims (5)
1, a kind of coating that is used for absorbing formol, it uses formaldehyde collecting agent as activeconstituents, and this is used for respectively consisting of of absorbing formol coating:
Film forming matter 20～70 weight parts
Formaldehyde collecting agent 1～20 weight part
Auxiliary agent 3～12 weight parts
Color stuffing 8～45 weight parts
Solvent 5～40 weight parts
Described film forming matter is to be selected from pure-acrylic emulsion, benzene emulsion, acrylate and vinyl acetate emulsion, waterborne polyurethane resin, aqueous epoxy resins, polyurethane acroleic acid copolymer emulsion, water-based fluorocarbon resin, vibrin, Synolac, Resins, epoxy, acrylic resin, aminoresin, resol, silicone resin, the fluorocarbon resin one or more;
Described formaldehyde collecting agent is disclosed in Chinese patent CN200410009474.9, be in the interlayer of sodium bentonite, atlapulgite or zeolite or hole, to be filled with the cuprammonium complexing ion, the mol ratio of NH3/Cu2+ is 2～6 in wherein pulverous formaldehyde collecting agent, and copper content is at 1～5wt%;
Described auxiliary agent is to be selected from film coalescence aid, dispersion agent, defoamer, flow agent, thickening material, mould inhibitor, pH regulator agent, anti-settling agent, the softening agent one or more;
Described color stuffing is to be selected from one or more of titanium white, phthalocyanine blue, carbon black, red iron oxide, zinc-chrome yellow, chrome green, zinc oxide, barium sulfate, white carbon black, talcum powder, mica, light calcium carbonate, water-ground limestone, wollastonite powder;
Described solvent is to be selected from water, ethyl acetate, butylacetate, ethylene glycol ether acetate, dimethylbenzene, butyl glycol ether, butanols, methyl iso-butyl ketone (MIBK), propylene glycol methyl ether acetate, sherwood oil, No. 200 varnish makers' and painters' naphtha, pimelinketone, No. 100, aromatic solvent, No. 150, aromatic solvent, No. 200, aromatic solvent, the mixed dibasic acid diester one or more;
Above-mentioned each composition is mixed evenly in proportion, can obtain being used for the coating of absorbing formol.
2, the coating that is used for absorbing formol as claimed in claim 1 is characterized in that: described film coalescence aid is alcohol ester-12, propylene glycol, propylene glycol monomethyl ether, propylene-glycol ethyl ether or propylene glycol butyl ether;
Described dispersion agent comprises polycarboxylic acid salt's dispersion agent, high-molecular weight polymer class dispersion agent, low-molecular weight polymer class dispersion agent and coupling agent.
3, the coating that is used for absorbing formol as claimed in claim 1 is characterized in that: described defoamer comprises lower alcohols, mineral oils, polar organic compound class and silicoorganic compound class, polysiloxane-based and fluorinated organic compound class;
That described flow agent comprises is silicone based, polyacrylate(s), cellaburate and high boiling solvent.
4, the coating that is used for absorbing formol as claimed in claim 1 is characterized in that: described thickening material comprises water-dispersion macromolecular compound, mineral substance, acrylic acid or the like, polyurethanes and consonance type thickening material;
Described mould inhibitor is inorganic salts, substituted arene class, amine, Sulfonates, heterocycles or quinones;
Described pH regulator agent is an organic amine compound.
5, the coating that is used for absorbing formol as claimed in claim 1 is characterized in that: described anti-settling agent is organobentonite class, thixotropy resin or oxidic polyethylene class anti-settling agent; Described softening agent comprises ester plasticizer or epoxy plasticiser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100005057A CN101475767A (en) | 2006-03-31 | 2006-03-31 | Coating for collecting formaldehyde |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100005057A CN101475767A (en) | 2006-03-31 | 2006-03-31 | Coating for collecting formaldehyde |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100668969A Division CN100532486C (en) | 2006-03-31 | 2006-03-31 | Adhesive for absorbing formol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101475767A true CN101475767A (en) | 2009-07-08 |
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ID=40836546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009100005057A Pending CN101475767A (en) | 2006-03-31 | 2006-03-31 | Coating for collecting formaldehyde |
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|---|---|
| CN (1) | CN101475767A (en) |
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2006
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