CN105295703A - Modified polyurethane waterproof material and preparation method thereof - Google Patents
Modified polyurethane waterproof material and preparation method thereof Download PDFInfo
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- CN105295703A CN105295703A CN201510855346.4A CN201510855346A CN105295703A CN 105295703 A CN105295703 A CN 105295703A CN 201510855346 A CN201510855346 A CN 201510855346A CN 105295703 A CN105295703 A CN 105295703A
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- 239000004814 polyurethane Substances 0.000 title claims abstract description 30
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000839 emulsion Substances 0.000 claims abstract description 36
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000008367 deionised water Substances 0.000 claims abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 18
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000003822 epoxy resin Substances 0.000 claims abstract description 14
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 14
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 11
- 229920000570 polyether Polymers 0.000 claims abstract description 11
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims abstract description 9
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 9
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 7
- -1 polyoxyethylene nonylphenol Polymers 0.000 claims description 23
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 12
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 8
- RNMDNPCBIKJCQP-UHFFFAOYSA-N 5-nonyl-7-oxabicyclo[4.1.0]hepta-1,3,5-trien-2-ol Chemical compound C(CCCCCCCC)C1=C2C(=C(C=C1)O)O2 RNMDNPCBIKJCQP-UHFFFAOYSA-N 0.000 claims description 8
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical group NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 239000004141 Sodium laurylsulphate Substances 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 8
- 238000004945 emulsification Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000003002 pH adjusting agent Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 abstract description 4
- 150000001412 amines Chemical class 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 abstract 1
- 239000002313 adhesive film Substances 0.000 abstract 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 description 12
- 239000004159 Potassium persulphate Substances 0.000 description 12
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 12
- 235000019394 potassium persulphate Nutrition 0.000 description 12
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 239000012528 membrane Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a modified polyurethane waterproof material and a preparation method thereof. The modified polyurethane waterproof material comprises a component A and a component B, wherein the component A is prepared from 30-38 parts of diphenyl methane diisocyanate, 18-25 parts of polyether polyol, 4-7 parts of dimethylolpropionic acid, 6-12 parts of epoxy resin, 4-7 parts of triethylamine, 5-9 parts of butanediol and 10-26 parts of deionized water, and the component B is prepared from 22-30 parts of methyl methacrylate, 8-15 parts of butyl acrylate, 1.5-3 parts of an emulsifying agent, 0.6-1.4 parts of an initiating agent, 0.8-1.5 parts of a pH conditioning agent, 8-15 parts of deionized water and 7.2-13.2 parts of a curing agent. An appropriate amount of epoxy resin modified water-based polyurethane emulsion is prepared, and acrylate monomers are utilized to prepare the amine curing agent to conduct curing on the polyurethane emulsion, so that the water resistance of a coating film, adhesiveness to the base body and the mechanical property can be effectively improved, and an adhesive film with excellent performance can be obtained.
Description
Technical field
The present invention relates to a kind of architectural waterproof material, be specifically related to a kind of modified polyurethane water-proof material and preparation method thereof.
Background technology
When urethane resin uses as coating, the film good mechanical property formed, wear resistance is good, hardness is high, chemically-resistant, ageing resistance are excellent, belongs to high-performance coating.Aqueous polyurethane, not only has the excellent properties of urethane, and has features such as not firing, nontoxic, free from environmental pollution.But make it self-emulsified, so there is the not good problem of water tolerance because aqueous polyurethane employing adds hydrophilic monomer in molecular chain.
Summary of the invention
For the deficiency that prior art exists, the invention provides a kind of modified polyurethane water-proof material and preparation method thereof, the epoxy resin modification appropriate by adapted also utilizes acrylic ester monomer to obtain amine curing agent to be cured epoxide modified urethane, to obtain the glued membrane of excellent performance.
In order to achieve the above object, the present invention takes following technical scheme:
A kind of modified polyurethane water-proof material, comprise component A and B component, wherein component A is formed by the preparation of raw material of following weight part: diphenylmethanediisocyanate 30 ~ 38 parts, polyether glycol 18 ~ 25 parts, dimethylol propionic acid 4 ~ 7 parts, epoxy resin 6 ~ 12 parts, triethylamine 4 ~ 7 parts, butyleneglycol 5 ~ 9 parts, deionized water 10 ~ 26 parts;
B component is formed by the preparation of raw material of following weight part: methyl methacrylate 22 ~ 30 parts, butyl acrylate 8 ~ 15 parts, emulsifying agent 1.5 ~ 3 parts, initiator 0.6 ~ 1.4 part, pH adjusting agent 0.8 ~ 1.5 part, deionized water 8 ~ 15 parts, 7.2 ~ 13.2 parts, solidifying agent;
Described component A and the weight ratio of B component are 1:(1 ~ 1.3).
Preferably, described diphenylmethanediisocyanate and the mass ratio of polyether glycol are (1.5 ~ 1.7): 1.
Preferably, described emulsifying agent is sodium lauryl sulphate, polyoxyethylene nonylphenol ether, and wherein the mass ratio of sodium lauryl sulphate and polyoxyethylene nonylphenol ether is 2:1.
Preferably, described solidifying agent is diethylenetriamine, and the mass ratio of its consumption and epoxy resin is (1 ~ 1.3): 1.
A preparation method for modified polyurethane water-proof material, comprises the steps:
(1) polyether glycol of above-mentioned weight part and part diphenylmethanediisocyanate are dropped in reactor, be warmed up to 78 ~ 80 DEG C of reaction 1h, after being cooled to 60 ~ 62 DEG C, add dimethylol propionic acid and remaining diphenylmethanediisocyanate reaction 2 ~ 3h, add epoxy resin again, keep thermotonus 2h, be cooled to 50 DEG C, add triethylamine, butyleneglycol and deionized water emulsify at a high speed, obtain component A;
(2) methyl methacrylate of above-mentioned weight part, butyl acrylate, emulsifying agent, deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min; Take out 3/4 emulsion, it remains in reactor, adds the initiator of 1/4, pH adjusting agent, is warming up to 78 ~ 80 DEG C, drip all the other emulsions and initiator respectively, 3h drips off, and is warming up to 83 ~ 85 DEG C, adds initiator, insulation 2h, obtain ACRYLIC EMULSION, the diethylenetriamine adding above-mentioned weight part in the ACRYLIC EMULSION of synthesis mixes, and obtains B component;
During use by component A and B component by weight being 1:(1 ~ 1.3) mix.
Compared with prior art, the beneficial effect that has of the present invention:
The present invention passes through the appropriate epoxy resin modified water-based polyurethane emulsion of adapted, and utilize acrylic ester monomer to obtain amine curing agent to be cured polyaminoester emulsion, effectively improve the water tolerance of film, to the binding property of matrix and mechanical property, obtain the glued membrane of excellent performance.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Embodiment 1
(1) synthesis of component A epoxy modified polyurethane emulsion: 25g polyether glycol N210 and 20g diphenylmethanediisocyanate are dropped in reactor, be warmed up to 80 DEG C of reaction 1h, after being cooled to 60 DEG C, add 4g dimethylol propionic acid and remaining 18g diphenylmethanediisocyanate reaction 2h, add 10g epoxy resin E-44 again, remain on 60 DEG C of reaction 2h.Be cooled to 50 DEG C, add 5g triethylamine, 8g butyleneglycol and 10g deionized water, emulsify at a high speed, obtain epoxy modified polyurethane latex A.
(2) synthesis of B component vinylformic acid amine curing agent: 25g methyl methacrylate, 12g butyl acrylate, 1g sodium lauryl sulphate and 0.5g polyoxyethylene nonylphenol ether, 10g deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min.Take out 3/4 emulsion, it remains in reactor, adds 0.1g Potassium Persulphate and 1g sodium bicarbonate, is warming up to 80 DEG C, drip all the other 3/4 emulsions and 0.3g Potassium Persulphate respectively, 3h drips off, and is warming up to 85 DEG C, add 0.2g Potassium Persulphate, insulation 2h, obtains ACRYLIC EMULSION.In the ACRYLIC EMULSION of synthesis, add 10g diethylenetriamine mix, obtain vinylformic acid amine curing agent B.
Be that 1:1 mix with vinylformic acid amine curing agent with weight ratio by epoxy modified polyurethane emulsion during use.
Embodiment 2
(1) synthesis of component A epoxy modified polyurethane emulsion: 23g polyether glycol N210 and 25g diphenylmethanediisocyanate are dropped in reactor, be warmed up to 78 DEG C of reaction 1h, after being cooled to 62 DEG C, add 6g dimethylol propionic acid and remaining 10g diphenylmethanediisocyanate, reaction 3h, add 12g epoxy resin E-44 again, remain on 62 DEG C of reaction 2h.Be cooled to 50 DEG C, add 6g triethylamine, 6g butyleneglycol and 12g deionized water, emulsify at a high speed, obtain epoxy modified polyurethane latex A.
(2) synthesis of B component vinylformic acid amine curing agent: 28g methyl methacrylate, 10g butyl acrylate, 2g sodium lauryl sulphate and 1g polyoxyethylene nonylphenol ether, 15g deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min.Take out 3/4 emulsion, it remains in reactor, adds 0.2g Potassium Persulphate and 1.2g sodium bicarbonate, is warming up to 78 DEG C, drip all the other 3/4 emulsions and 0.6g Potassium Persulphate respectively, 3h drips off, and is warming up to 83 DEG C, add 0.2g Potassium Persulphate, insulation 2h, obtains ACRYLIC EMULSION.In the ACRYLIC EMULSION of synthesis, add 13.2g diethylenetriamine mix, obtain vinylformic acid amine curing agent B.
Be that 1:1.2 mix with vinylformic acid amine curing agent with weight ratio by epoxy modified polyurethane emulsion during use.
Embodiment 3
(1) synthesis of component A epoxy modified polyurethane emulsion: 21g polyether glycol N210 and 18g diphenylmethanediisocyanate are dropped in reactor, be warmed up to 79 DEG C of reaction 1h, after being cooled to 60 DEG C, add 5g dimethylol propionic acid and remaining 15g diphenylmethanediisocyanate, reaction 2h, add 6g epoxy resin E-44 again, remain on 60 DEG C of reaction 2h.Be cooled to 50 DEG C, add 4g triethylamine, 5g butyleneglycol and 26g deionized water, emulsify at a high speed, obtain epoxy modified polyurethane latex A.
(2) synthesis of B component vinylformic acid amine curing agent: 30g methyl methacrylate, 15g butyl acrylate, 1.5g sodium lauryl sulphate and 0.75g polyoxyethylene nonylphenol ether, 13g deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min.Take out 3/4 emulsion, it remains in reactor, adds 0.3g Potassium Persulphate and 1.5g sodium bicarbonate, is warming up to 80 DEG C, drip all the other 3/4 emulsions and 0.9g Potassium Persulphate respectively, 3h drips off, and is warming up to 85 DEG C, add 0.2g Potassium Persulphate, insulation 2h, obtains ACRYLIC EMULSION.In the ACRYLIC EMULSION of synthesis, add 7.2g diethylenetriamine mix, obtain vinylformic acid amine curing agent B.
Be that 1:1.3 mix with vinylformic acid amine curing agent with weight ratio by epoxy modified polyurethane emulsion during use.
Embodiment 4
(1) synthesis of component A epoxy modified polyurethane emulsion: 18g polyether glycol N210 and 22g diphenylmethanediisocyanate are dropped in reactor, be warmed up to 80 DEG C of reaction 1h, after being cooled to 61 DEG C, add 7g dimethylol propionic acid and remaining 8g diphenylmethanediisocyanate, reaction 2.5h, add 8g epoxy resin E-44 again, remain on 61 DEG C of reaction 2h.Be cooled to 50 DEG C, add 7g triethylamine, 9g butyleneglycol and 21g deionized water, emulsify at a high speed, obtain epoxy modified polyurethane latex A.
(2) synthesis of B component vinylformic acid amine curing agent: 22g methyl methacrylate, 8g butyl acrylate, 1.2g sodium lauryl sulphate and 0.6g polyoxyethylene nonylphenol ether, 10g deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min.Take out 3/4 emulsion, it remains in reactor, adds 0.25g Potassium Persulphate and 0.8g sodium bicarbonate, is warming up to 79 DEG C, drip all the other 3/4 emulsions and 0.75g Potassium Persulphate respectively, 3h drips off, and is warming up to 85 DEG C, add 0.2g Potassium Persulphate, insulation 2h, obtains ACRYLIC EMULSION.In the ACRYLIC EMULSION of synthesis, add 10.4g diethylenetriamine mix, obtain vinylformic acid amine curing agent B.
Be that 1:1.1 mix with vinylformic acid amine curing agent with weight ratio by epoxy modified polyurethane emulsion during use.
Water-proof material obtained for embodiment 1,2,3,4 is carried out performance test, and result is as shown in table 1 below.
Table 1
The above, it is only present pre-ferred embodiments, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (5)
1. a modified polyurethane water-proof material, it is characterized in that: comprise component A and B component, wherein component A is formed by the preparation of raw material of following weight part: diphenylmethanediisocyanate 30 ~ 38 parts, polyether glycol 18 ~ 25 parts, dimethylol propionic acid 4 ~ 7 parts, epoxy resin 6 ~ 12 parts, triethylamine 4 ~ 7 parts, butyleneglycol 5 ~ 9 parts, deionized water 10 ~ 26 parts;
B component is formed by the preparation of raw material of following weight part: methyl methacrylate 22 ~ 30 parts, butyl acrylate 8 ~ 15 parts, emulsifying agent 1.5 ~ 3 parts, initiator 0.6 ~ 1.4 part, pH adjusting agent 0.8 ~ 1.5 part, deionized water 8 ~ 15 parts, 7.2 ~ 13.2 parts, solidifying agent;
Described component A and the weight ratio of B component are 1:(1 ~ 1.3).
2. modified polyurethane water-proof material according to claim 1, is characterized in that, described diphenylmethanediisocyanate and the mass ratio of polyether glycol are (1.5 ~ 1.7): 1.
3. modified polyurethane water-proof material according to claim 1, is characterized in that, described emulsifying agent is sodium lauryl sulphate, polyoxyethylene nonylphenol ether, and wherein the mass ratio of sodium lauryl sulphate and polyoxyethylene nonylphenol ether is 2:1.
4. modified polyurethane water-proof material according to claim 1, is characterized in that, described solidifying agent is diethylenetriamine, and the mass ratio of its consumption and epoxy resin is (1 ~ 1.3): 1.
5. the preparation method of modified polyurethane water-proof material according to claim 1, is characterized in that comprising the steps:
(1) polyether glycol of above-mentioned weight part and part diphenylmethanediisocyanate are dropped in reactor, be warmed up to 78 ~ 80 DEG C of reaction 1h, after being cooled to 60 ~ 62 DEG C, add dimethylol propionic acid and remaining diphenylmethanediisocyanate reaction 2 ~ 3h, add epoxy resin again, keep thermotonus 2h, be cooled to 50 DEG C, add triethylamine, butyleneglycol and deionized water emulsify at a high speed, obtain component A;
(2) methyl methacrylate of above-mentioned weight part, butyl acrylate, emulsifying agent, deionized water are dropped in reactor, rapid stirring at 50 DEG C, emulsification 30min; Take out 3/4 emulsion, it remains in reactor, adds the initiator of 1/4, pH adjusting agent, is warming up to 78 ~ 80 DEG C, drip all the other emulsions and initiator respectively, 3h drips off, and is warming up to 83 ~ 85 DEG C, adds initiator, insulation 2h, obtain ACRYLIC EMULSION, the diethylenetriamine adding above-mentioned weight part in the ACRYLIC EMULSION of synthesis mixes, and obtains B component;
During use by component A and B component by weight being 1:(1 ~ 1.3) mix.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510855346.4A CN105295703A (en) | 2015-11-30 | 2015-11-30 | Modified polyurethane waterproof material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510855346.4A CN105295703A (en) | 2015-11-30 | 2015-11-30 | Modified polyurethane waterproof material and preparation method thereof |
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Cited By (4)
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| CN106010180A (en) * | 2016-06-17 | 2016-10-12 | 枞阳县新天地高新材料有限公司 | Waterborne polyurethane coating |
| CN111218943A (en) * | 2019-12-13 | 2020-06-02 | 东南大学 | Arsenic sandstone slope ecological slope protection structure based on corrosion-resistant permeability-control composite material and construction method thereof |
| CN112175473A (en) * | 2020-03-10 | 2021-01-05 | 东联新南方科技(北京)有限公司 | Metal roof waterproof coating and preparation method thereof |
| CN117050597A (en) * | 2023-08-29 | 2023-11-14 | 广东领跑新材料科技有限公司 | High-wear-resistance water-based acrylic finish paint for ground as well as preparation method and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010180A (en) * | 2016-06-17 | 2016-10-12 | 枞阳县新天地高新材料有限公司 | Waterborne polyurethane coating |
| CN111218943A (en) * | 2019-12-13 | 2020-06-02 | 东南大学 | Arsenic sandstone slope ecological slope protection structure based on corrosion-resistant permeability-control composite material and construction method thereof |
| CN112175473A (en) * | 2020-03-10 | 2021-01-05 | 东联新南方科技(北京)有限公司 | Metal roof waterproof coating and preparation method thereof |
| CN117050597A (en) * | 2023-08-29 | 2023-11-14 | 广东领跑新材料科技有限公司 | High-wear-resistance water-based acrylic finish paint for ground as well as preparation method and application thereof |
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Application publication date: 20160203 |