CN101434818A - Isocyanate modified water-based polymer waterproof coating - Google Patents
Isocyanate modified water-based polymer waterproof coating Download PDFInfo
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- CN101434818A CN101434818A CNA2007100314723A CN200710031472A CN101434818A CN 101434818 A CN101434818 A CN 101434818A CN A2007100314723 A CNA2007100314723 A CN A2007100314723A CN 200710031472 A CN200710031472 A CN 200710031472A CN 101434818 A CN101434818 A CN 101434818A
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- Prior art keywords
- component
- isocyanate
- waterproof coating
- based polymer
- polymer waterproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 229920000642 polymer Polymers 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 title claims abstract description 29
- 238000000576 coating method Methods 0.000 title claims abstract description 29
- 239000012948 isocyanate Substances 0.000 title claims abstract description 16
- 150000002513 isocyanates Chemical class 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 23
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- 238000004132 cross linking Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000006185 dispersion Substances 0.000 claims abstract description 4
- 239000000839 emulsion Substances 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 8
- 239000004014 plasticizer Substances 0.000 claims description 6
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- 229920001577 copolymer Polymers 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 claims description 4
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 2
- 239000012874 anionic emulsifier Substances 0.000 claims description 2
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 2
- 239000012875 nonionic emulsifier Substances 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims 1
- 229940121375 antifungal agent Drugs 0.000 claims 1
- 239000003429 antifungal agent Substances 0.000 claims 1
- 229920001038 ethylene copolymer Polymers 0.000 claims 1
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 15
- 239000004568 cement Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000002023 wood Substances 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 2
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 2
- 241001330002 Bambuseae Species 0.000 abstract description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 2
- 239000011425 bamboo Substances 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 abstract description 2
- 239000010440 gypsum Substances 0.000 abstract description 2
- 229910052602 gypsum Inorganic materials 0.000 abstract description 2
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 229920001342 Bakelite® Polymers 0.000 abstract 1
- 239000004637 bakelite Substances 0.000 abstract 1
- 229920006305 unsaturated polyester Polymers 0.000 abstract 1
- 239000003973 paint Substances 0.000 description 7
- 229920002689 polyvinyl acetate Polymers 0.000 description 6
- 239000011118 polyvinyl acetate Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 239000013543 active substance Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910002012 Aerosil® Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- -1 SBR etc. Natural products 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 235000012204 lemonade/lime carbonate Nutrition 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000011527 polyurethane coating Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
本发明公开了异氰酸酯改性水性聚合物防水涂料，该防水涂料包括A组份和B组份，A组份包括一种含有羟基的聚合物的水溶液或分散体混合物，组份B包括异氰酸酯聚合物；本发明还公开了前述防水涂料的制备方法，其包括如下步骤：(1)分别制备A组分和B组分；(2)将A组分和B组分按照100∶5～20的重量比充分混合，使其发生交联反应； (3)制得异氰酸酯改性水性聚合物防水涂料。本发明提供的涂料其优点在于，其能广泛用于对木材、竹材、电木、纤维基材、水泥、石膏板、不饱和聚酯等材质的防水及表面保护。The present invention discloses an isocyanate-modified waterborne polymer waterproof coating, which comprises a component A and a component B, wherein the component A comprises an aqueous solution or dispersion mixture of a polymer containing a hydroxyl group, and the component B comprises an isocyanate polymer; the present invention also discloses a method for preparing the aforementioned waterproof coating, which comprises the following steps: (1) preparing the component A and the component B respectively; (2) fully mixing the component A and the component B at a weight ratio of 100:5 to 20 to allow a cross-linking reaction to occur; (3) obtaining the isocyanate-modified waterborne polymer waterproof coating. The coating provided by the present invention has the advantage that it can be widely used for waterproofing and surface protection of materials such as wood, bamboo, bakelite, fiber substrates, cement, gypsum board, and unsaturated polyester.
Description
Technical field
The present invention relates to the chemical industry technology, be specifically related to a kind of isocyanate modified aqueous polymer waterproof coating material that mixes, can be used for timber and other fibrous substrates, cement material, plasterboard waterproof by A component and B component.
Background technology
Polymer waterproof coating material mainly is made up of vinylformic acid or SBR, EVA and mineral compound component in the market.This series products has intensity height, no seam, strong, the cold construction of bonding force, characteristics such as nontoxic.But the defective that obviously has poor water resistance in the practice process after using, suction, swelling can occur, return white, strength degradation and influence waterproof effect in underground works.Do not have a kind of aqueous polymer waterproof coating material both to can be used for cement flooring or metope waterproof at present and can be used for simultaneously waterproofing wood, fibrous substrate waterproof yet.In the indoor and outdoor decoration engineering, often need to carry out waterproof, mildew-resistant processing to following closely in the core-board on metope and ground.If adopt paint, then contain virose organic volatile and discharge, harmful to human body and environment.
Polyurethane water-proof paint in the market, mainly be contain solvent type.Be used for waterproof construction, the water ratio that requires basic unit is less than 9%, otherwise can separate with basic unit and come off.Have a strong impact on effect, but in building site basic unit drying difficulty, basement engineering especially, underground waterproof basic unit drying is difficulty more.
Summary of the invention
At the existing existing above-mentioned deficiency of coating that discharges water, the objective of the invention is, isocyanate modified aqueous polymer waterproof coating material that a kind of water resistance is good, tensile strength is high, tension set is good, curing speed is fast and preparation method thereof is provided.
The present invention realizes that the technical scheme that above-mentioned purpose adopts is:
Isocyanate modified aqueous polymer waterproof coating material is characterized in that, it includes A component and B component; Described component A comprises one of the aqueous solution of the polymkeric substance that contains hydroxyl or dispersion aqueous mixture of hydroxyl polymer-containing at least; Described B component comprises isocyanate polymer at least; Described A component and B component weight ratio are 100:5～20.
Wherein said A component also comprises polyvinyl alcohol water solution.
Wherein said A component also comprises the emulsion of vinyl acetate or ethylene-vinyl acetate copolymer or the emulsion of ethylene-vinyl acetate-vinyl chloride copolymer.
Wherein said A component also comprises the butadiene polymer emulsion.
Wherein said A component also comprises the emulsion and the butadiene polymer emulsion of vinyl acetate or ethylene-vinyl acetate copolymer or ethylene-vinyl acetate-vinyl chloride copolymer.
Wherein said A component comprises plasticizer, filler, mould inhibitor, defoamer.
Wherein said A component comprises anionic or nonionic emulsifier.
Wherein said A component also comprises one or more anti-heavy, sag prevention auxiliary agents.
Wherein said A component also comprises one or more leveling auxiliary agents.
The preparation method of aforementioned isocyanate modified aqueous polymer waterproof coating material, it comprises the steps:
(1) prepares A component and B component respectively;
(2), make it that crosslinking reaction take place with A component and B component weight ratio thorough mixing according to 100:5～20;
(3) make isocyanate modified aqueous polymer waterproof coating material.
The prepared isocyanate modified aqueous polymer waterproof coating material advantage of the present invention is:
1. the waterproof that not only can be used for cement, metope and gypsum board simultaneously but also can be used for the waterproof of timber, bamboo wood, core-board, clamping plate and other fiber containing base material.A kind of product has versatility, is particularly well-suited in indoor and outdoor decoration.
2. solve that in the market polyurethane water-proof paint contains that dimethylbenzene etc. is poisonous, organic solvent volatile matter and the high problem of free TDI.Waterproof paint A component of the present invention is a water-latex type, does not contain the dimethylbenzene organic volatile; Do not contain free formaldehyde; The B component is selected 100% solid content isocyanate polymer for use, and when using polymeric MDI, then toxicity is more much lower than TDI class urethane.
3. solve the problem of the water-repellancy difference of polymer waterproof coating material in the market.Form network-like polyurethane coating film after A component of the present invention and the B component mixing application, have good resistance to boiling water.More than general polymer waterproof paint water-tolerant, the pond, vault, the outdoor water-proof engineering that are particularly suitable for contacting with water are for a long time used.
The main chemical reactions that the present invention relates to is as follows:
1. carbimide and hydroxy polymer reaction
OCN-RNCO+HO-R′→R′O-CONH-R-NHCO-OR′
2. the reaction of isocyanic ester and water:
2RNCO+H
2O→RNHCONHR+CO
2
3. isocyanic ester and carboxyl polymer reaction:
R-NCO+R′-COOH→R-NH-CO-R′+CO
2
The present invention is further described below in conjunction with embodiment.
Embodiment
Embodiment: the isocyanate modified aqueous polymer waterproof coating material that present embodiment provides, it includes A component and B component; Described component A comprises one of the aqueous solution of the polymkeric substance that contains hydroxyl or dispersion aqueous mixture of hydroxyl polymer-containing at least; Described B component comprises isocyanate polymer at least; Described A component and B component weight ratio are 100:5～20.Concrete:
The A component comprises the polymer emulsion of hydroxyl or dispersed mixture, filler, tensio-active agent, defoamer, mildew-resistant, anti-settling agent, plasticizer, flow agent; Hydroxy-containing component in the A component is the PVA aqueous solution or contains PVAC or the divinyl emulsions such as EVA or ethylene-vinyl acetate-vinyl chloride copolymer and SBR that PVA makes emulsifying agent; PVA selects polymerization degree 300-2500 for use, and saponification deg 80-98% is for well, and low polymerization degree water-repellancy and speed of response are more bad, can be PVA is soluble in water when making with hot water, and usage quantity can be 3-10%.
Described B component adopts one of polymeric MDI, HDI or polymerization TDI; But the employing polymeric MDI reacts comparatively quick, fast drying, and free TDI is few, but easy xanthochromia, for the bottom waterproof paint, the useful cement protective layer in upper strata, and do not affect the appearance.
Tensio-active agent can be joined the A component, can make easily emulsification in water of isocyanate polymer in the B component, thereby make isocyanic ester hydroxyl reaction easily and in the A component, tensio-active agent can be anionic or nonionic surface active agent.
Consider to make and use froth breaking and deaeration requirement arranged, must consider to use the defoamer of 0.1-0.5%.Consider the levelling effect of requirement of filming of use, must consider to use the flow agent of 0.1-0.5%.
In filler adding, storage and the transportation and use in the A component, certain preventing is heavy, the selection of the auxiliary agent of sag prevention is used, and also is necessary.Usually these auxiliary agents have aerosil, Mierocrystalline cellulose, diatomite, reach wilkinite etc.General add-on is 0.1-1%.
The A component is mainly the raw material and the inorganic raw material of water-based, contains easily to make the putrescible microorganism of A component, and in order to prolong the stability of storage, the formaldehydeless class sanitas that can add 0.1-0.5% is restrained easily corruption microorganism.
Polyvinyl acetate (PVA) and ethylene vinyl acetate in the A component, and contain the emulsion of divinyl such as SBR etc., all cement, metope and fibrous base material there are good adhesive, they also are the filmogens of A component.Add-on is 10-50%, and the composite crosslinking of they and PVA fellowship and isocyanic ester forms the waterproof polyurethane to fiber materials such as cement basal plane and timber.
Behind A component and the B component cross-linking reaction, the available plasticizer of filming improves plasticity, and addition can be 1-10%, and plasticizer can use DOP, DBP etc.DBP is than the difficult migration of DOP, and the adding of plasticizer has minimal effect to the surface drying of filming, and surface drying can be slow, and add-on overbrushing film can be more pliable and tougher.
The use of filler also is necessary in the A component, and appropriate filler increases water-repellancy, coating strength, and suitable opacifying power, and filler can be lime carbonate, talcum powder, kaolin, barium sulfate, titanium dioxide etc., filler uses cement also to be suitable method.The employing of cement can with polymer interpenetration network, adopt cement of high index better usually.When using cement to make filler, independent packaging from the A component separately, when using application, the side adds in the A component.
The add-on of filler is that 5-50% is suitable in the A component.
In the A component, add, can give A component shades of colour and make various chromatic waterproof paints such as red iron oxide, iron oxide black, iron oxide yellow, titanium dioxide and other mineral dye.And can increase the alkali-resistivity of filming, general addition is 3-15%.
A component integral formula sees the following form:
The B component adopts polymeric MDI.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100314723A CN101434818A (en) | 2007-11-15 | 2007-11-15 | Isocyanate modified water-based polymer waterproof coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100314723A CN101434818A (en) | 2007-11-15 | 2007-11-15 | Isocyanate modified water-based polymer waterproof coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101434818A true CN101434818A (en) | 2009-05-20 |
Family
ID=40709458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100314723A Pending CN101434818A (en) | 2007-11-15 | 2007-11-15 | Isocyanate modified water-based polymer waterproof coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101434818A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925081A (en) * | 2012-11-12 | 2013-02-13 | 抚顺哥俩好化学有限公司 | High-strength double-component laminating glue, and preparation method thereof |
| CN103518002A (en) * | 2011-04-08 | 2014-01-15 | 普兰西欧洲股份公司 | Tubular targets including guards |
| CN107201691A (en) * | 2017-06-26 | 2017-09-26 | 广东阿博特数码纸业有限公司 | The backing material and application method of a kind of paper grade (stock) |
| CN113185936A (en) * | 2021-05-06 | 2021-07-30 | 万华化学集团股份有限公司 | Preparation and application of formaldehyde-free veneering glue for artificial board |
-
2007
- 2007-11-15 CN CNA2007100314723A patent/CN101434818A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103518002A (en) * | 2011-04-08 | 2014-01-15 | 普兰西欧洲股份公司 | Tubular targets including guards |
| CN109609917A (en) * | 2011-04-08 | 2019-04-12 | 普兰西欧洲股份公司 | Tubular target including protective device |
| US10978279B2 (en) | 2011-04-08 | 2021-04-13 | Plansee Se | Tubular target having a protective device |
| CN102925081A (en) * | 2012-11-12 | 2013-02-13 | 抚顺哥俩好化学有限公司 | High-strength double-component laminating glue, and preparation method thereof |
| CN107201691A (en) * | 2017-06-26 | 2017-09-26 | 广东阿博特数码纸业有限公司 | The backing material and application method of a kind of paper grade (stock) |
| CN113185936A (en) * | 2021-05-06 | 2021-07-30 | 万华化学集团股份有限公司 | Preparation and application of formaldehyde-free veneering glue for artificial board |
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Open date: 20090520 |