CN109851882A - A kind of sand modeling partition wall - Google Patents
A kind of sand modeling partition wall Download PDFInfo
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- CN109851882A CN109851882A CN201711237388.7A CN201711237388A CN109851882A CN 109851882 A CN109851882 A CN 109851882A CN 201711237388 A CN201711237388 A CN 201711237388A CN 109851882 A CN109851882 A CN 109851882A
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Abstract
The present invention provides a kind of sand to mould partition wall, including the sand mould plate, the first noise reduction layer and inner panel set gradually；The sand mould plate includes the raw material of following parts by weight: 25-35 parts of quartz sand, 1-3 parts of anion excitation material, 15-20 parts of acrylic resin, 17-25 parts of polyvinyl resin, 2-5 parts of coupling agent, adhesive 10-15 and 2-3 parts of surfactant；The adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol.
Description
Technical field
The present invention relates to field of compound material, belong to it is a kind of by generate anion realize the sand modeling of purifying formaldehyde gas every
Disconnected wall.
Background technique
It is well known that will use a large amount of coating and adhesive during the finishing in house, and coating and adhesive
In can usually contain a large amount of formaldehyde.It will lead to that indoor air formaldehyde content is exceeded in this way, to cause the damage to human body.Mesh
The preceding common method for removing indoor formaldehyde pernicious gas is mainly physical method and chemical method.Wherein physical method is to use
The porous materials such as active carbon adsorb indoor formaldehyde gas, to realize the effect for reducing indoor harmful gas content.But
It is this quadrat method, due to the limited sorption capacity of active carbon, so the removing of PARA FORMALDEHYDE PRILLS(91,95) is not highly desirable.Chemical method is main
It is to have reached the effect for removing the harmful substances such as indoor formaldehyde by using chemical reagent such as formaldehyde scavengers.But this kind of side
Although method can timely remove the formaldehyde in room air, the formaldehyde being adsorbed in construction material can not be removed.
Since the mode of above-mentioned removing indoor formaldehyde is all there are biggish defect, and then research is removed indoor first by people
On the directional steering of aldehyde finishing material.For example, to disclose a kind of PVC wood plastic compound by Chinese patent literature CN104895285A
Floor, this method are that scratch resistance antimicrobial paint surface layer and anion reaction paint are from top to bottom successively coated on PVC wood plastic clad plate
Surface layer and nano water-proof sealant layer.Air or vapor pass through the micropore or hole of scratch resistance antimicrobial paint surface layer, anti-with anion
Answer in lacquer painting layer the anions excitation material such as negative ion powder to contact, generated under the action of these anion excitation materials bear from
Son, later by negative ion decomposition formaldehyde in air, to realize the function of removing indoor formaldehyde.Since anion reacts lacquer painting
Layer is set to the surface of PVC wood plastic clad plate, with the extension of use time, be easy to cause the abrasion of lacquer painting, pollutes and take off
It falls, to lose the function of removing formaldehyde.
Sand plastic composite materials are a kind of emerging materials, are with sandstone and resin, polyethylene, polypropylene, polyvinyl chloride
It is prepared Deng mixing, then through plastic processings such as extruding, molding, injection moldings.Sand plastic composite materials its not only have it is outer
Table feature beautiful and generous, but also have that hardness is high, good flame resistance, and also there is good anti-corrosion, antibacterial and mothproof etc.
Performance.But be mostly at present the research concentrated on in its bending strength, thermal and insulating performance to the research of sand plastic composite materials,
It is studied in purification gas less.If can prepare it is a kind of with the complex sand moulding material for removing formaldehyde gas, will can
So that sand plastic composite materials are widely used.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcome in the prior art anion excitation material overbrushing be overlying on dress
Material surface is repaired, because of the abrasion of coat, is fallen off, finishing material is made to lose the defect for removing the function of formaldehyde, to provide one
Kind sand moulds partition wall.
A kind of sand modeling partition wall, including inner panel and the sand mould plate being arranged on the inner panel；It is characterized in that, the sand modeling
Plate includes the raw material of following parts by weight:
25-35 parts of quartz sand, 1-3 parts of anion excitation material, 15-20 parts of acrylic resin, polyvinyl resin 17-25
Part, 2-5 parts of coupling agent, adhesive 10-15 and 2-3 parts of surfactant；The adhesive is by epoxyn, carboxymethyl
Sodium cellulosate and Aluminum sol composition.
Preferably, in sand modeling partition wall, in the adhesive, the epoxyn, the carboxylic first
The mass ratio of base sodium cellulosate and the Aluminum sol is (3-5): (1-2): (1-3).
It preferably, further include 0.5-2 parts of pore creating material in the raw material of the sand mould plate in sand modeling partition wall；Institute
It is (5-7) according to mass ratio that pore creating material, which is stated, by dehydrated alcohol and ethylene glycol: (1-3) is mixed to form.
It preferably, further include 3-5 parts of anti-staining agent in the raw material of the sand mould plate in sand modeling partition wall；
The anti-staining agent is the mixture of acetic acid and anti-pollution auxiliary agent, and the anti-pollution auxiliary agent is molybdenum disulfide and anhydrous sorbitol
Aliphatic ester.
Preferably, in sand modeling partition wall, the mass ratio of the acetic acid and the anti-pollution auxiliary agent is (7-10):
(1-3)；The mass ratio of the molybdenum disulfide and the sorbitan fatty acid ester is (2-4): (9-13).
Preferably, in sand modeling partition wall, the anion excitation material is nano-tourmaline.
Preferably, in sand modeling partition wall, the coupling agent is silane coupling agent；The surfactant is to spit
Temperature -80.
Preferably, in sand modeling partition wall, first is disposed between the sand mould plate and the inner panel and is disappeared
Sound-absorbing layer and polyethylene board；
The through-hole that several apertures are 3-5mm is offered on the polyethylene board (3).
It preferably, further include the second noise reduction layer and several partitions in sand modeling partition wall；
Second noise reduction layer is arranged between the polyethylene board and the inner panel；
Cavity is offered in second noise reduction layer, several partitions are staggered along the axis of the cavity described
In cavity.
Preferably, in the described sand modeling partition wall, second noise reduction layer with a thickness of the first noise reduction layer thickness
2-4 times；
First noise reduction layer, second noise reduction layer and several partitions are mineral wool abatvoix；
The sand mould plate, more first noise reduction layers, the polyethylene board, second noise reduction layer (5) and the inner panel
It is adhesively fixed by adhesive for polyurethane.
A method of sand mould plate is prepared, is included the following steps:
(1) quartz sand, acrylic resin, polyvinyl resin, adhesive, surfactant and coupling agent are mixed, lazy
Under property gas shield, it is heated to 270-350 DEG C, obtains the first slurries；
(2) anion excitation material slurries are added into first slurries, obtain the second slurries；
(3) second slurries are placed in mold, pressing mold is cooled to room temperature, and demoulding obtains the sand mould plate.
Preferably, in the preparation method,
Pore creating material, anti-staining agent, anion excitation material and water are mixed, water bath sonicator, obtains anion excitation green material
Slurries；
The cooling procedure in the step (3) are as follows:
It is cooled to 220-250 DEG C, keeps the temperature 30-50min, is then cooled to 180-200 DEG C, 30-50min is kept the temperature, drops later
Temperature keeps the temperature 10-30min, is cooled to room temperature to 70-90 DEG C.
Technical solution of the present invention has the advantages that
1. the present invention provides a kind of sand to mould partition wall, anion excitation material is dispersed in sand plastic composite materials, is solved
Anion-generating material setting in the prior art of having determined is easy to fall off and is worn on the surface of the material, pollutes, and material is caused to lose
The problem of the effect of losing excitation anion.In addition, environmentally friendly sand mould plate of the invention, extends the function of existing sand mould plate, expand
The use scope of sand mould plate；
Sand mould plate in the application is additionally added the glue being made of epoxyn, sodium carboxymethylcellulose and Aluminum sol
Adhesive, mentioned component are used in compounding with quartz sand, acrylic resin and polyvinyl resin, can effectively increase sand plastic composite materials
Hardness.
2. sand provided by the invention moulds partition wall, several partitions being staggered are set in the second noise reduction layer, are extended
Sound wave is passed through by the noise reduction layer, increases contact of the sound wave with noise reduction layer, and then plays good erasure effect.
3. sand provided by the invention moulds partition wall, pore creating material, when preparing composite material, pore-creating are also added in sand mould plate
Agent is gradually volatilized from sand mould plate during cooling and shaping, to form several micropores, it is ensured that the anion in sand mould plate
The contact of excitation material and air, vapor, and then ensure that the amount of anion excitation material excitation anion；
4. sand provided by the invention moulds partition wall, acetic acid and molybdenum disulfide and sorbitan fatty are also used in sand mould plate
Acid esters compounds the anti-staining agent to be formed, and the static content generated in micropore inwall on composite material can be effectively reduced, and improves micropore inwall
Smoothness reduces the attachment and blocking of dust, micro mist and greasy dirt to micropore, to ensure that anion excitation material and sky
The contact of gas and water steam, so enable anion excitation material it is steady in a long-term inspire anion, and then ensured decomposition
The ability of formaldehyde；Being detected formaldehyde collecting rate can achieve 93.27%；
5. a kind of sand provided by the invention moulds partition wall, nano-tourmaline is selected to excite material as anion in sand mould plate
Material should be Nano grade due to nano-tourmaline, with quartz sand, poly- third while the amount for the generation that ensure that anion
Olefine resin, polyvinyl resin, adhesive are used in compounding, it is ensured that sand plastic composite materials hardness, bending strength and impact strength；Through
Detection intensity can achieve 119, and bending strength can achieve 204MPa, and impact strength can achieve 50KJ/m2。
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of indoor sand modeling ceiling board of the present invention；
Appended drawing reference:
1- sand mould plate；The first noise reduction layer of 2-；3- polyethylene board；4- inner panel；The second noise reduction layer of 5-；6- cavity；7- partition；
Specific embodiment
Technical solution of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
For convenient for comparing,
Silane coupling agent used in embodiment 1-5 and comparative example is purchased from union carbide corporation, the U.S., model A-1100
Silane coupling agent KH550.But coupling agent used in the present invention be not limited to it is above-mentioned.
The purchase of nano-tourmaline used in embodiment 3-5 and comparative example is from Lingshou County Hong Zhan mineral products processing factory, product
Entitled nano-tourmaline powder.But nano-tourmaline used in the present invention be not limited to it is above-mentioned.
Negative ion powder used in Examples 1 and 2 is bought from Lingshou County Xin De mining industry processing factory, and name of product is anion
Powder.But negative ion powder used in the present invention be not limited to it is above-mentioned.
Embodiment 1
Present embodiments provide a kind of preparation method of partition wall, comprising:
(1) quartz sand 25Kg, negative ion powder 3Kg, acrylic resin 15Kg, polyvinyl resin 25Kg, silane coupled is weighed
Agent KH550 5Kg, adhesive 10Kg and Tween-80 2Kg；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 3:2:1；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 270 DEG C, obtains the first slurries；
It (3) by water and negative ion powder is that 10:1 is mixed according to mass ratio, in the case where bath temperature is 40 DEG C, water bath sonicator
20mi n obtains anion excitation material slurries；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to room temperature (25 DEG C), demoulded, obtain sand mould plate A.
Embodiment 2
Present embodiments provide a kind of preparation method of partition wall, comprising:
(1) quartz sand 35Kg, negative ion powder 1Kg, acrylic resin 20Kg, polyvinyl resin 17Kg, silane coupled is weighed
Agent KH550 2Kg, adhesive 15Kg, Tween-80 3Kg and pore creating material 0.5Kg；
Wherein, pore creating material is the mixture of dehydrated alcohol and ethylene glycol, and the mass ratio of dehydrated alcohol and ethylene glycol is 5:1；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 5:1:3；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 350 DEG C, obtains the first slurries；
(3) dehydrated alcohol, ethylene glycol, negative ion powder and water are mixed, in the case where bath temperature is 50 DEG C, water bath sonicator 20mi
N obtains anion excitation material slurries；The amount of the addition of water is 1 times of anion silty amount；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to 220 DEG C, keep the temperature 30mi n, be then cooled to 200 DEG C, protected
Warm 50mi n is cooled to 70 DEG C later, keeps the temperature 10mi n, is cooled to room temperature (25 DEG C), demoulds, obtains sand mould plate B.
Embodiment 3
Present embodiments provide a kind of preparation method of partition wall, comprising:
(1) it is even that quartz sand 30Kg, nano-tourmaline 2Kg, acrylic resin 19Kg, polyvinyl resin 20Kg, silane are weighed
Join agent KH550 3Kg, pore creating material 2Kg, adhesive 12Kg, Tween-80 3Kg and anti-staining agent 3Kg；
Wherein, pore creating material is the mixture of dehydrated alcohol and ethylene glycol, and the mass ratio of dehydrated alcohol and ethylene glycol is 7:3；
Anti-staining agent is the mixture of acetic acid and anti-pollution auxiliary agent, and the anti-pollution auxiliary agent is molybdenum disulfide and sorbitan fatty
Acid esters；The mass ratio of acetic acid and anti-pollution auxiliary agent are as follows: 7:1；The mass ratio of molybdenum disulfide and sorbitan fatty acid ester is 2:9；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 3:1:3；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 300 DEG C, obtains the first slurries；
(3) by dehydrated alcohol, ethylene glycol, nano-tourmaline, acetic acid, molybdenum disulfide, sorbitan fatty acid ester and water
Mixing, in the case where bath temperature is 50 DEG C, water bath sonicator 20mi n obtains anion excitation material slurries；The amount of the addition of water is
1 times of nano-tourmaline quality；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to 250 DEG C, keep the temperature 50mi n, be then cooled to 180 DEG C, protected
Warm 30mi n is cooled to 90 DEG C later, keeps the temperature 10mi n, is cooled to room temperature (25 DEG C), demoulds, obtains sand mould plate C.
Embodiment 4
Present embodiments provide a kind of preparation method of partition wall, comprising:
(1) it is even that quartz sand 31Kg, nano-tourmaline 3Kg, acrylic resin 16Kg, polyvinyl resin 22Kg, silane are weighed
Join agent KH550 4Kg, pore creating material 1Kg, adhesive 14Kg, Tween-80 2Kg and anti-staining agent 5Kg；
Wherein, pore creating material is the mixture of dehydrated alcohol and ethylene glycol, and the mass ratio of dehydrated alcohol and ethylene glycol is 7:1；
Anti-staining agent is the mixture of acetic acid and anti-pollution auxiliary agent, and the anti-pollution auxiliary agent is molybdenum disulfide and sorbitan fatty
Acid esters；The mass ratio of acetic acid and anti-pollution auxiliary agent are as follows: 7:3；The mass ratio of molybdenum disulfide and sorbitan fatty acid ester is 2:13；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 4:1:2；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 320 DEG C, obtains the first slurries；
(3) by dehydrated alcohol, ethylene glycol, nano-tourmaline, acetic acid, molybdenum disulfide, sorbitan fatty acid ester and water
Mixing, in the case where bath temperature is 50 DEG C, water bath sonicator 20mi n obtains anion excitation material slurries；The amount of the addition of water is
1 times of nano-tourmaline quality；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to 240 DEG C, keep the temperature 40mi n, be then cooled to 200 DEG C, protected
Warm 40mi n is cooled to 80 DEG C later, keeps the temperature 20mi n, is cooled to room temperature (25 DEG C), demoulds, obtains sand mould plate D.
Embodiment 5
Present embodiments provide a kind of preparation method of partition wall, comprising:
(1) it is even that quartz sand 33Kg, nano-tourmaline 3Kg, acrylic resin 20Kg, polyvinyl resin 18Kg, silane are weighed
Join agent KH550 4Kg, pore creating material 1.5Kg, adhesive 15Kg, Tween-80 3Kg and anti-staining agent 4Kg；
Wherein, pore creating material is the mixture of dehydrated alcohol and ethylene glycol, and the mass ratio of dehydrated alcohol and ethylene glycol is 6:1；
Anti-staining agent is the mixture of acetic acid and anti-pollution auxiliary agent, and the anti-pollution auxiliary agent is molybdenum disulfide and sorbitan fatty
Acid esters；The mass ratio of acetic acid and anti-pollution auxiliary agent are as follows: 9:2；The mass ratio of molybdenum disulfide and sorbitan fatty acid ester is 3:11；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 5:2:1；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 300 DEG C, obtains the first slurries；
(3) by dehydrated alcohol, ethylene glycol, nano-tourmaline, acetic acid, molybdenum disulfide, sorbitan fatty acid ester and water
Mixing, in the case where bath temperature is 50 DEG C, water bath sonicator 20mi n obtains anion excitation material slurries；The amount of the addition of water is
1 times of nano-tourmaline quality；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to 250 DEG C, keep the temperature 30mi n, be then cooled to 200 DEG C, protected
Warm 30mi n is cooled to 90 DEG C later, keeps the temperature 30mi n, is cooled to room temperature (25 DEG C), demoulds, obtains sand mould plate E.
Embodiment 6
As shown in Figure 1, present embodiments providing a kind of sand modeling partition wall, including bottom plate 4 and it is arranged on the bottom plate 4
Sand mould plate 1 is disposed with the first noise reduction layer 2 and polyethylene board 3 between the sand mould plate 1 and the bottom plate 4；The present embodiment
Described in sand mould plate 1 can for embodiment 5 prepare sand mould plate.
Select sand mould plate as outside plate, sand mould plate is not only beautiful wear-resisting, but also it includes have anion excitation material, energy
Lasting excitation generates anion, and then the anion by generating plays the function of removing the pernicious gases such as indoor formaldehyde.
The through-hole that several apertures are 3-5mm is offered on the polyethylene board 3.Polyethylene board not only light weight, and it is hard
Degree is high.
The indoor sand modeling partition wall further includes the second noise reduction layer 5 and several partitions 7；Second noise reduction layer 5 is set
It sets between the polyethylene board 3 and the inner panel 4；Cavity 6, several 7 edges of partition are offered in second noise reduction layer 5
The axis of the cavity 6 is staggered in the cavity 6.
Cavity is opened up in the second noise reduction layer, and the partition being staggered is set in the cavities, can effectively extend sound
Wave by the path of the second noise reduction layer, increase partition and the second noise reduction layer with contact, and then raising erasure effect.
2-4 times with a thickness of 2 thickness of the first noise reduction layer of second noise reduction layer 5.
First noise reduction layer 2, second noise reduction layer 5 and several partitions 7 are mineral wool abatvoix.Mineral sound-absorbing
Plate not only light weight, but also have good sound-absorbing effect.
The sand mould plate 1, more first noise reduction layers 2, the polyethylene board 3, second noise reduction layer 5 and described interior
Plate 4 is adhesively fixed by adhesive for polyurethane.
Comparative example
This comparative example provides a kind of preparation method of sand mould plate, comprising:
(1) it is even that quartz sand 33Kg, nano-tourmaline 3Kg, acrylic resin 20Kg, polyvinyl resin 18Kg, silane are weighed
Join agent KH550 4Kg, pore creating material 1.5Kg, adhesive 15Kg, Tween-80 3Kg and anti-staining agent 4Kg；
Wherein, pore creating material is the mixture of dehydrated alcohol and ethylene glycol, and the mass ratio of dehydrated alcohol and ethylene glycol is 6:1；
Anti-staining agent is dimethyl octadecylamine；
Adhesive is made of epoxyn, sodium carboxymethylcellulose and Aluminum sol；Epoxyn, carboxylic first
The mass ratio of base sodium cellulosate and Aluminum sol are as follows: 5:2:1；
(2) quartz sand, acrylic resin, polyvinyl resin, adhesive, Tween-80 and Silane coupling agent KH550 are mixed
It closes, under nitrogen protection, is heated to 300 DEG C, obtains the first slurries；
(3) dehydrated alcohol, ethylene glycol, nano-tourmaline, dimethyl octadecylamine and water are mixed, is 50 DEG C in bath temperature
Under, water bath sonicator 20mi n obtains anion excitation material slurries；The amount of the addition of water is 1 times of nano-tourmaline quality；
Under stirring, anion excitation material slurries are added in the first slurries, the second slurries are obtained；
(4) second slurries are placed in mold, are cooled to 250 DEG C, keep the temperature 30mi n, be then cooled to 200 DEG C, protected
Warm 30mi n is cooled to 90 DEG C later, keeps the temperature 30mi n, is cooled to room temperature (25 DEG C), demoulds, obtains sand mould plate F.
Compliance test result
1. a couple sand mould plate A-E is tested for the property, the results are shown in Table 1:
Table 1
2. " the JCT 2040-2010 anion function indoor decoration material " standard of use carries out sand mould plate A-F empty
Gas anion induces measurement examination, and test data is shown in Table 2.
Table 2
| The negative aeroion amount of inducing, a/s.cm2 | |
| Sand mould plate A | 940 |
| Sand mould plate B | 1010 |
| Sand mould plate C | 1155 |
| Sand mould plate D | 1120 |
| Sand mould plate E | 1185 |
| Sand mould plate F | 690 |
3. couple sand mould plate A-F removes the aptitude tests of formaldehyde and anti-pollution, test data is shown in Table 3.
Test method: being cut into 5cm × 5cm × 3cm thin plate for sand mould plate A-F, after which is placed in outdoor 3 days, wipes
Wipe clean thin sheet surface, be placed in the container of 5L, to container vacuum-pumping, backward container be filled with containing concentration of formaldehyde
15mg/m3Initial testing gas at 25 DEG C of temperature, stand 48h until air pressure restores to 1 atmospheric pressure in container.Later from
1L gas is extracted in container, the gas of extraction is named as termination test gas, and detection terminates the changing value of concentration of formaldehyde in gas.
Concentration of formaldehyde is tested according to the prescriptive procedure in standard GB-13197-91, i.e., with a certain amount of absorbing pure water gas
Formaldehyde in body, later with the formaldehyde in spectrophotometric determination water.Formaldehyde collecting rate calculates according to the following equation:
Wherein, A0It is respectively initial testing gas and the absorbance for terminating test gas with Ax.
Table 3
| Formaldehyde collecting rate, % | |
| Sand mould plate A | 89.03% |
| Sand mould plate B | 90.89% |
| Sand mould plate C | 91.99% |
| Sand mould plate D | 92.14% |
| Sand mould plate E | 93.27% |
| Sand mould plate F | 70.13% |
Test thin plate after outdoor placement 3 days, anti-staining agent sand mould plate B remove formaldehyde ability be obviously not so good as added with
The sand mould plate C-E of anti-staining agent removes the ability of formaldehyde；
Sand mould plate F instead results in the ability decline of the removing formaldehyde of sand mould plate due to using different anti-staining agents.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of sand moulds partition wall, including inner panel (4) and the sand mould plate (1) being arranged on the inner panel (4)；It is characterized in that,
The sand mould plate (1) includes the raw material of following parts by weight:
25-35 parts of quartz sand, 1-3 parts of anion excitation material, 15-20 parts of acrylic resin, 17-25 parts of polyvinyl resin, idol
Agent 2-5 parts of connection, adhesive 10-15 and 2-3 parts of surfactant；The adhesive is by epoxyn, carboxymethyl cellulose
Plain sodium and Aluminum sol composition.
2. sand according to claim 1 moulds partition wall, which is characterized in that in the adhesive, the epoxy resin gluing
The mass ratio of agent, the sodium carboxymethylcellulose and the Aluminum sol is (3-5): (1-2): (1-3).
3. sand according to claim 1 or 2 moulds partition wall, which is characterized in that further include in the raw material of the sand mould plate (1)
0.5-2 parts of pore creating material；The pore creating material is (5-7) according to mass ratio by dehydrated alcohol and ethylene glycol: (1-3) is mixed to form.
4. sand according to claim 1 to 3 moulds partition wall, which is characterized in that in the raw material of the sand mould plate (1) also
Including 3-5 parts of anti-staining agent；
The anti-staining agent is the mixture of acetic acid and anti-pollution auxiliary agent, and the anti-pollution auxiliary agent is molybdenum disulfide and sorbitan fatty
Acid esters.
5. sand according to claim 4 moulds partition wall, which is characterized in that the mass ratio of the acetic acid and the anti-pollution auxiliary agent
For (7-10): (1-3)；The mass ratio of the molybdenum disulfide and the sorbitan fatty acid ester is (2-4): (9-13).
6. -5 any sand mould partition wall according to claim 1, which is characterized in that the anion excitation material is nanometer
Tourmaline.
7. -6 any sand mould partition wall according to claim 1, which is characterized in that the coupling agent is silane coupling agent；
The surfactant is Tween-80.
8. -7 any sand mould partition wall according to claim 1, which is characterized in that the sand mould plate (1) and the inner panel
(4) the first noise reduction layer (2) and polyethylene board (3) are disposed between；
The through-hole that several apertures are 3-5mm is offered on the polyethylene board (3).
9. sand according to claim 8 moulds partition wall, which is characterized in that further include the second noise reduction layer (5) and several partitions
(7)；
Second noise reduction layer is arranged between the polyethylene board (3) and the inner panel (4)；
It is offered cavity (6) on second noise reduction layer (5), several partitions (7) staggeredly set along the axis of the cavity (6)
It sets in the cavity (6).
10. sand according to claim 8 moulds partition wall, which is characterized in that second noise reduction layer (5) with a thickness of described
2-4 times of first noise reduction layer (2) thickness；
First noise reduction layer (2), second noise reduction layer (5) and several partitions (7) are mineral wool abatvoix；
The sand mould plate (1), more first noise reduction layers (2), the polyethylene board (3), second noise reduction layer (5) and described
Inner panel (4) is adhesively fixed by adhesive for polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711237388.7A CN109851882A (en) | 2017-11-30 | 2017-11-30 | A kind of sand modeling partition wall |
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Application publication date: 20190607 |