CN105419510B - A kind of Waterproof Breathable coating - Google Patents
A kind of Waterproof Breathable coating Download PDFInfo
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- CN105419510B CN105419510B CN201510959512.5A CN201510959512A CN105419510B CN 105419510 B CN105419510 B CN 105419510B CN 201510959512 A CN201510959512 A CN 201510959512A CN 105419510 B CN105419510 B CN 105419510B
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention provides a kind of Waterproof Breathable coating, and the coating includes subbing and investment precoat.Described subbing includes component A and B component.The component A of the subbing includes following raw material components：Ethylene vinyl acetate copolymer emulsion, property polysiloxanes, aqueous polyurethane, Sodium Polyacrylate, hydroxyethylmethylcellulose, Ludox, defoamer, bactericide.The B component of the subbing is polyisocyanate curing agent.The investment precoat includes following components：Water-base fluorocarbon emulsion, filler, aqueous polyurethane, defoamer, dispersant.Coating of the present invention can liquid barrier water, can pass through steam.
Description
Technical field
The present invention relates to a kind of water-repellent paint, and in particular to a kind of Waterproof Breathable coating, belongs to building coating field.
Technical background
Harm of the infiltration of outside moisture to building is it will be apparent that our conventional waterproof theory is exactly close by one layer
Air-locked waterproof layer is covered in outside heat-insulation layer, but Discussion on architecture temperature, humidity difference are larger, so result in indoor moisture
" accumulation " condenses to the cold on the inside of waterproof layer, accumulate over a long period certainly will cause heat-insulation layer hydraulic performance decline, waterproof layer adhesive force decline into
And influence building life.
With the fast development of construction industry, the contradiction between the water proofing property and penetrability of material is more sharp.For waterproof
The research of moisture-inhibiting coating is a current important directions.
Also there are some that there is the coating of Waterproof Breathable function on the market now, but these coating contain a large amount of benzene compounds etc.
Harmful substance, there is harm to environment and human body；And existing Waterproof Breathable coating has many defects；Or steam can not be saturating
Cross, or transmitance is very low, effect is undesirable；Moreover, water vapour permeability causes its adhesive property degradation.
Prior art has following defect：（1）Steam can not pass through coating, or transmitance is very low；（2）Glued with cement basal plane
It is not strong to tie performance；（3）Water resistance is not strong enough；（4）Ageing-resistant performance is poor；（5）Stain resistant performance and anti-wear performance are poor；（6）
Containing volatile harmful material, not environmentally.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of Waterproof Breathable coating, have more preferable waterproof, moisture-inhibiting, it is weather-proof,
Environmental protection, the advantages that cohesive force is strong, to realize following goal of the invention：
1st, water-repellent paint is allow by steam, but can be with liquid barrier water；Make moisture-vapor transmission up to 5.0~5.5g/
(m2·d)；
2nd, water-repellent paint both Waterproof Breathables are made, meanwhile, it is good with cement basal plane adhesive property；
3rd, while making water-repellent paint moisture-inhibiting, keep water resistance good；
4th, the ageing-resistant performance of water-repellent paint is improved；
5th, the contaminated resistance and anti-wear performance of water-repellent paint are improved；
6th, water-repellent paint of the present invention is free of any harmful volatile component, realize safety and environmental protection.
For achieving the above object, the present invention provides following technical scheme：
A kind of Waterproof Breathable coating, the coating include subbing and investment precoat.
It is the further improvement to above-mentioned technical proposal below：
Described subbing includes component A and B component.
The mass ratio of the component A and B component is：Component A:B component=10:1~15:1.
The component A of the subbing includes following raw material components：Ethylene-vinyl acetate copolymer emulsion, the poly- silica of property
Alkane, aqueous polyurethane, Sodium Polyacrylate, hydroxyethylmethylcellulose, Ludox, defoamer, bactericide.
Each raw material components of the component A of the subbing, in parts by weight, content is：Ethylene-vinyl acetate is copolymerized
8 ~ 10 parts of emulsion, 0.3 ~ 0.8 part of property polysiloxanes, 30 ~ 40 parts of aqueous polyurethane, 2 ~ 3 parts of Sodium Polyacrylate, hydroxyethyl methyl are fine
5 ~ 10 parts of dimension element, 15 ~ 20 parts of Ludox, 0.5 ~ 1 part of defoamer, 0.5 ~ 1 part of bactericide.
Each raw material components of the component A of the subbing, in parts by weight, content is：Ethylene-vinyl acetate is copolymerized
10 parts of emulsion, 0.5 part of modified polyorganosiloxane, 30 parts of aqueous polyurethane, 2 parts of Sodium Polyacrylate, 10 parts of hydroxyethylmethylcellulose,
20 parts of Ludox, 1 part of defoamer, bactericide 0.8.
The B component of the subbing is polyisocyanate curing agent.
The investment precoat includes following components：Water-base fluorocarbon emulsion, filler, aqueous polyurethane, defoamer, dispersant.
The each component of the investment precoat, in parts by weight, content is：40 ~ 50 parts of water-base fluorocarbon emulsion, filler 10 ~ 15
Part, 20 ~ 30 parts of aqueous polyurethane, 0.5 ~ 1 part of defoamer, 0.5 ~ 1 part of dispersant.
The each component of the investment precoat, in parts by weight, content is：It is 45 parts of water-base fluorocarbon emulsion, 10 parts of filler, water-based
30 parts of polyurethane, 1 part of defoamer, 0.5 part of dispersant.
Compared with prior art, the invention has the advantages that：
1st, coating of the present invention can be by steam, but can be with liquid barrier water；Moisture-vapor transmission is 5.0~5.5g/
(m2·d)；
2nd, coating and cement basal plane caking property of the present invention is strong；Paint adhesion is less than 1 grade；
3rd, water-resistant coating of the present invention is strong, without exception up to 30~40 days；
4th, coating ageing-resistant performance of the present invention is strong；1700~1800h of artificial ageing is non-foaming, does not ftracture, does not fall off；
5th, coating contaminated resistance of the present invention is good, after testing, less than 8~10%；
6th, coating wearability of the present invention is good, after testing, less than or equal to 50mg (index 750g/500r)；
7th, it is harmless to environment and human body without any volatile harmful material, it is green.
Embodiment
In order to preferably illustrate the present invention, further illustrated with reference to embodiment.
A kind of Waterproof Breathable coating of embodiment 1
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：40 parts of water-base fluorocarbon emulsion, 15 parts of filler, 30 parts of aqueous polyurethane, disappear
1 part of infusion, 0.5 part of dispersant；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The dispersant model BYK180.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=14:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
10 parts of ethylene-vinyl acetate copolymer emulsion, 0.5 part of modified polyorganosiloxane, 38 parts of aqueous polyurethane, polyacrylic acid
2 parts of sodium, 7 parts of hydroxyethylmethylcellulose, 20 parts of Ludox, 1 part of defoamer, 0.8 part of bactericide；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The B component of the subbing is polyisocyanate curing agent；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
A kind of Waterproof Breathable coating of embodiment 2
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：50 parts of water-base fluorocarbon emulsion, 13 parts of filler, 20 parts of aqueous polyurethane, disappear
1 part of infusion, 0.5 part of dispersant；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The dispersant is BYK180.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=13:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
8 parts of ethylene-vinyl acetate copolymer emulsion, 0.5 part of modified polyorganosiloxane, 40 parts of aqueous polyurethane, polyacrylic acid
2 parts of sodium, 10 parts of hydroxyethylmethylcellulose, 15 parts of Ludox, 1 part of defoamer, 0.8 part of bactericide；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The B component of the subbing is polyisocyanate curing agent；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
A kind of Waterproof Breathable coating of embodiment 3
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：45 parts of water-base fluorocarbon emulsion, 10 parts of filler, 30 parts of aqueous polyurethane, disappear
1 part of infusion, 0.5 part of dispersant；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The dispersant is BYK180.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=15:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
10 parts of ethylene-vinyl acetate copolymer emulsion, 0.5 part of modified polyorganosiloxane, 30 parts of aqueous polyurethane, polyacrylic acid
2 parts of sodium, 10 parts of hydroxyethylmethylcellulose, 20 parts of Ludox, 1 part of defoamer, 0.8 part of bactericide；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The B component of the subbing is polyisocyanate curing agent；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
A kind of Waterproof Breathable coating of embodiment 4
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：48 parts of water-base fluorocarbon emulsion, 12 parts of filler, 25 parts of aqueous polyurethane, disappear
0.5 part of infusion, 0.8 part of dispersant；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The dispersant model BYK180.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=10:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
9 parts of ethylene-vinyl acetate copolymer emulsion, 0.3 part of modified polyorganosiloxane, 33 parts of aqueous polyurethane, polyacrylic acid
2.5 parts of sodium, 5 parts of hydroxyethylmethylcellulose, 17 parts of Ludox, 0.5 part of defoamer, 0.5 part of bactericide；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The B component of the subbing is polyisocyanate curing agent；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
A kind of Waterproof Breathable coating of embodiment 5
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：42 parts of water-base fluorocarbon emulsion, 11 parts of filler, 28 parts of aqueous polyurethane, disappear
0.8 part of infusion, 1 part of dispersant；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The dispersant model BYK180.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=12:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
9 parts of ethylene-vinyl acetate copolymer emulsion, 0.8 part of modified polyorganosiloxane, 35 parts of aqueous polyurethane, polyacrylic acid
2.8 parts of sodium, 9 parts of hydroxyethylmethylcellulose, 18 parts of Ludox, 0.8 part of defoamer, 1 part of bactericide；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The B component of the subbing is polyisocyanate curing agent；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
As a result detect：
The detection method of coating of the present invention：Impermeability detection method is with reference to GB/T328.10A；The inspection of moisture-vapor transmission
Survey method is with reference to JC/T309-2011；The detection method of water resistance is with reference to GB/T1733-1993；The detection method reference of adhesive force
GB/T9286-1998；The detection method of artificial ageing resistance is with reference to ISO11507:2007；The detection method of stain resistant is with reference to GB/
T9780；The detection method of wearability is with reference to GB/T1768-2006；
Embodiment 1-5 coating property Indexs measure the results are shown in Table 1；
The coating property Indexs measure result of table 1
From table 1, coating impermeability testing result of the present invention is that filter paper is non-discolouring, illustrates coating liquid-tight of the present invention
Body water；
The moisture-vapor transmission of coating of the present invention is 5.0~5.5g/ (m2·d)；
Water-resistant coating of the present invention is without exception up to 30~40 days；
Paint adhesion of the present invention is less than 1 grade；
Coating artificial ageing resistance of the present invention, 1700~1800h is non-foaming, does not ftracture, does not fall off；
Coating contaminated resistance of the present invention：Less than 8~10%；
Coating wearability of the present invention is≤50mg (condition 750g/500r).
A kind of Waterproof Breathable coating of embodiment 6
The coating includes subbing and investment precoat；
（1）The mass parts of investment precoat form：It is 38 parts of water-base fluorocarbon emulsion, 11 parts of filler, 28 parts of aqueous polyurethane, poly-
1.1 parts of oxypropylene glycerin ether, 2.3 parts of magnesium stearate, 2 parts of Brazil wax, 0.8 part of manganese dioxide；
The water-based fluorocarbon resin is Guangdong pine and cypress chemical industry PTFE emulsion；
The filler is Du Pont's rutile type titanium white；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718.
（2）Subbing includes component A and B component；
Component A, the mass ratio of B component are：Component A:B component=12:1；Component A and B component are pressed before subbing use
Mass ratio mixes.
The mass parts of the component A of the subbing form：
12 parts of ethylene-vinyl acetate copolymer emulsion, 0.6 part of modified polyorganosiloxane, 38 parts of aqueous polyurethane, polyacrylic acid
2.1 parts of sodium, 5 parts of hydroxyethylmethylcellulose, 11 parts of Ludox, 0.8 part of polypropylene glycerol aether, aminodithioformic acid 0.2
Part, 2.1 parts of pyrolkigneous liquid, 1.5 parts of laurene, 0.9 part of alpha-linolenic acid；
The aqueous polyurethane is Jining Hua Kai resin Co., Ltd HK718；
The defoamer is BASF A10；
The bactericide is big eastern chemical industry A266.
The mass parts of the B component of the subbing form：
5 parts of polyisocyanate curing agent, 0.8 part of epoxy resin, 0.2 part of evening primrose oil；
The polyisocyanate curing agent Bayer chemistry Bayhydur 305.
Through experiment, the coating impenetrable liquid water of the present embodiment；Moisture-vapor transmission is 5.8g/ (m2·d)；Water-resistant coating
It is without exception up to 50 days；Paint adhesion is less than 1 grade；Coating artificial ageing resistance, 1900h is non-foaming, does not ftracture, does not fall off；Apply
Expect contaminated resistance：Less than 7%；Coating wearability is≤50mg (condition 750g/500r).
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention
Within the scope of shield.Citing described above for best mode for carrying out the invention, wherein the part do not addressed in detail is this area
The common knowledge of those of ordinary skill；Protection scope of the present invention is defined by the content of claim, any based on the present invention's
Technical inspiration and the equivalent transformation carried out, also within protection scope of the present invention.
Claims (3)
- A kind of 1. Waterproof Breathable coating, it is characterised in that：The coating includes subbing and investment precoat；Described subbing includes component A and B component；The component A of the subbing and the mass ratio of B component are：Component A:B component=10:1~15:1；Each raw material components of the component A of the subbing, in parts by weight, content is：Ethylene-vinyl acetate copolymer emulsion 8 ~ 10 parts, 0.3 ~ 0.8 part of modified polyorganosiloxane, 30 ~ 40 parts of aqueous polyurethane, 2 ~ 3 parts of Sodium Polyacrylate, hydroxyethyl methyl fiber 5 ~ 10 parts of element, 15 ~ 20 parts of Ludox, 0.5 ~ 1 part of defoamer, 0.5 ~ 1 part of bactericide；The B component of the subbing is polyisocyanate curing agent；The each component of the investment precoat, in parts by weight, content is：40 ~ 50 parts of water-base fluorocarbon emulsion, 10 ~ 15 parts of filler, water 20 ~ 30 parts of polyurethane of property, 0.5 ~ 1 part of defoamer, 0.5 ~ 1 part of dispersant.
- A kind of 2. Waterproof Breathable coating according to claim 1, it is characterised in that：The component A of the subbing it is each Raw material components, in parts by weight, content is：It is 10 parts of ethylene-vinyl acetate copolymer emulsion, 0.5 part of modified polyorganosiloxane, water-based 30 parts of polyurethane, 2 parts of Sodium Polyacrylate, 10 parts of hydroxyethylmethylcellulose, 20 parts of Ludox, 1 part of defoamer, bactericide 0.8.
- A kind of 3. Waterproof Breathable coating according to claim 1, it is characterised in that：The each component of the investment precoat, with Parts by weight meter, content are：45 parts of water-base fluorocarbon emulsion, 10 parts of filler, 30 parts of aqueous polyurethane, 1 part of defoamer, dispersant 0.5 Part.
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| CN107619493A (en) * | 2017-10-04 | 2018-01-23 | 镇江市星耀智能装备有限公司 | A kind of preparation method of the sheet material of high water resistance |
| CN107974148A (en) * | 2017-11-30 | 2018-05-01 | 苏州铂邦胶业有限公司 | Anti-light water-repellent paint combination |
| CN108841262A (en) * | 2018-06-07 | 2018-11-20 | 太仓柏嘉装饰工程有限公司 | decorative paint |
| CN109251618A (en) * | 2018-09-07 | 2019-01-22 | 江苏叙然信息科技有限公司 | A kind of quick-drying water-repellent paint |
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| CN113248980A (en) * | 2021-06-28 | 2021-08-13 | 苏州启燕新材料科技有限公司 | Preparation method of waterproof moisture-permeable training clothes |
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| CN105419510A (en) | 2016-03-23 |
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Address after: 262735 Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000 meters west of the government Patentee after: Hongyuan Waterproof Technology Group Co., Ltd. Address before: 262735 Taitou Town, Shouguang City, Weifang City, Shandong Province, 2000 meters west of the government Patentee before: Weifang Hongyuan Waterproof Material Co., Ltd. |
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Denomination of invention: A waterproof and moisture permeable coating Effective date of registration: 20220329 Granted publication date: 20180403 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Weifang branch Pledgor: HONGYUAN WATERPROOF TECHNOLOGY GROUP Co.,Ltd. Registration number: Y2022980003440 |