CN106675399A - Moisture curable crylic acid modified polysiloxane coating and preparation method thereof - Google Patents
Moisture curable crylic acid modified polysiloxane coating and preparation method thereof Download PDFInfo
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- CN106675399A CN106675399A CN201611117771.4A CN201611117771A CN106675399A CN 106675399 A CN106675399 A CN 106675399A CN 201611117771 A CN201611117771 A CN 201611117771A CN 106675399 A CN106675399 A CN 106675399A
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- Prior art keywords
- acid modified
- modified polysiloxane
- component
- polysiloxane coating
- acroleic acid
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/40—Glass
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
Abstract
The invention discloses a moisture curable crylic acid modified polysiloxane coating which mainly consists of a component A and a component B, wherein the component A of the coating comprises crylic acid modified polysiloxane resin, pigment, packing, additives and the like; and the component B is a mixed silane coupling agent. A preparation method of the moisture curable crylic acid modified polysiloxane coating comprises the following steps: (1) mixing and dispersing demanded amounts of the crylic acid modified polysiloxane resin, a wetting dispersant, a leveling agent and a thixotropic agent so as to obtain a mixture I; (2) adding residual raw materials such as sun-proof pigment packing, wearing-resistant packing, impact-resistant packing and a plasticizer into the mixture I, dispersing, grinding, and adjusting the viscosity with a low-toxin organic solvent so as to obtain a component B; and (3) when in use, uniformly mixing the component A and the component B according to a formula ratio, curing, and performing brush coating, rolling coating and spraying coating, thereby obtaining a coated layer of the moisture curable crylic acid modified polysiloxane coating. The moisture curable crylic acid modified polysiloxane coating disclosed by the invention is very beneficial to corrosion resistance and rapid and convenient to construct.
Description
Technical field
The present invention relates to anticorrosive paint technical field, and in particular to a kind of moisture cured acrylic acid modified poly- silica
Alkane coating and preparation method thereof.
Background technology
With the development and the raising of living standards of the people of national economy, anticorrosion of the people to large-scale steel structure engineering is carried
Go out higher requirement, the cycle of long-effective protection should have been improved, safe and healthy again and environmental protection.
The big system of current steel construction long-effective protection two：Polyurethane, fluorine carbon.Compared with polyurethane, acrylic polysiloxane is applied
Material has qualitative leap at aspects such as weatherability, corrosion resistances, and polysiloxane coating materials then take 30 years and just need to cover with paint, lacquer, colour wash, etc. again, gloss
And the durability of color is more than 4 times of typical polyurethane finish, it means that manpower and materials are greatly saved.Acrylic acid gathers
The characteristics of siloxane paint also has long-effective protection, but because fluorocarbons brings significant impact to environment, and can be in biology
Accumulation in vivo, it is harmful to mammal, therefore disabled by European Union in June, 08, compared with fluorine carbon finishing paint, modified polyorganosiloxane
Finish paint has construction solid point high, and into thickness, a small amount of solvent dilution can reach working viscosity；It is little to the excitant of human body；It is resistance to
The advantages of time property is excellent.Therefore, a kind of steel structure anti-corrosion paint for being conducive to environmental protection and excellent combination property is developed particularly
It is important.
The content of the invention
The technical problem to be solved is to provide a kind of moisture cured acroleic acid modified polysiloxane finish paint
Coating.
It is a further object to provide the preparation method of above-mentioned coating.
The present invention is realized by following technical proposals.
A kind of moisture cured acroleic acid modified polysiloxane coating, including first component and second component be according to mass ratio
100:(5~8) raw material of mixing：
First component
First component
Second component
Amino silicane coupling agent 5-8.
Further, the acrylate modified polyorganosiloxane resin is Shanghai Wanrong chemical material Co., Ltd 818C.
A kind of acrylate modified polyorganosiloxane resin, it is connected with ripple alkoxyl living with the silicon of polysiloxane backbone,
Run into steam and easily form silanol.Silanol ripple relatively more living, accelerates cross-linking reaction, accelerates the rate of drying of film.
Further, the acrylate modified polyorganosiloxane resin is Shanghai Wanrong chemical material Co., Ltd 818C.
Further, the wetting dispersing agent is the BYK2025 of Byk Chemie GmbH.
Further, the thixotropic agent Degussa Chemical Co., Ltd. aerosil R972.
Further, the sun-proof color stuffing is rutile titanium white powder R-103, carbon black MH, iron oxide red 4597 or the red D2 of DPP；
The wear resistant filler is glass dust that granularity is 2000 mesh；
Described filler is blanc fixe that granularity is 1250 mesh；
The 3000 mesh talcum powder that the impact resistance filler is for granularity.
Further, the levelling agent is the BYK358N of Byk Chemie GmbH.
Further, the low-toxic organic solvent is cyclohexanone or propylene glycol methyl ether acetate.
Further, the amino silicane coupling agent is APTES KH550.
Correspondingly, The present invention gives a kind of preparation method of moisture cured acroleic acid modified polysiloxane coating,
Comprise the steps：
1) take and the acrylic polysiloxane resin of 50-75% is added in dispersion tank according to mass fraction, add 2-5%'s
Wetting dispersing agent, the levelling agent of 0.1-1%, the thixotropic agent of 0.5-1.2%, dispersed with stirring 15-20min obtains mixture I；
2) under stirring at low speed, successively by the sun-proof color stuffing of 4-25%, the wear resistant filler of 5-10%, 4-7% impact resistance
Filler, 5-9% filler add mixture I in, dispersed with stirring 20-25min, dispersion is finished, into sand mill be ground to
Fineness≤25 μm, are adjusted with the low toxicity organic solvent of 4-8% and obtain first component after viscosity, are dispensed in proportion；
3) then 5-8% amino silicane coupling agents are dispensed as second component；
4) by first component and second component according to mass ratio it is 100 when using:The ratio of (5~8) is well mixed, and cures 5-
10min, that is, obtain moisture cured acroleic acid modified polysiloxane coating.
There is following benefit effect by adopting above-mentioned technical proposal, the present invention：
(1) using a kind of moisture cured acrylate modified polyorganosiloxane resin, it carries ripple alkoxyl living and gathers
The silicon of siloxane main chain is connected, and runs into steam and easily forms silanol, and silanol ripple relatively more living can be with cross-linking reaction.
(2) globular glass micro mist, SiO are selected2Content >=99%, the mesh of particle diameter 2500 is applying feed liquid to improve glass dust
In dispersiveness and stability when guaranteeing that glass dust is preserved, present invention surface used applies through the glass micro mist of specially treated
The wearability and hardness of film is obviously improved.
(3) the moisture cured acrylate modified polysiloxane coating materials of white use resin, color stuffing, auxiliary agent, solvent
Collocation, quality solid content >=85% of first component.
The coating can be using brushing, roller coating and spraying application.
Specific embodiment
With reference to embodiment, the invention will be described in further detail, but be not intended as to invention do any restriction according to
According to.Proportioning in embodiment is calculated in parts by weight.
Agents useful for same is commercially available standard aqueous coating additive：
(Wanrong chemistry 818C, Shanghai Wanrong chemical material is limited for moisture cured acroleic acid modified polysiloxane coating
Company), dispersion moisture agent (BYK2025, Byk Chemie GmbH), levelling agent (BYK358N, Byk Chemie GmbH),
Thixotropic agent (R972, Degussa Chemical Co., Ltd.) barium sulfate (mesh of Shaanxi enrichment chemical industry Co., Ltd 1250), glass is micro-
Powder (mesh of Jin Haohui Science and Technology Ltd.s of Shenzhen 2500), cyclohexanone, propylene glycol methyl ether acetate (the limited public affairs of three wooden group shares
Department).
The preparation of the moisture cured acroleic acid modified polysiloxane coating of the present invention, comprises the steps：
1) the acrylic polysiloxane resin 818C by 50-75% according to mass fraction is taken, in adding dispersion tank, 2- is added
The thixotropic agent aerosil of levelling agent BYK358N, 0.5-1.2% of 5% wetting dispersing agent BYK2025,0.1-1%
R972, dispersed with stirring 15-20min obtains mixture I；
2) under stirring at low speed, successively by sun-proof color stuffing (rutile titanium white powder R-103, carbon black MH, the iron oxide red of 4-25%
4597th, the red D20 of DPP), the wear resistant filler (mesh of glass dust 2000) of 5-10%, the impact resistance filler (talcum powder 3000 of 4-7%
Mesh), the filler (mesh of blanc fixe 1250) of 5-9%, add mixture I in, dispersed with stirring 20-25min, dispersion is finished, and is entered
Enter sand mill to be ground to fineness≤25 μm, adjusted with the low toxicity organic solvent (cyclohexanone, propylene glycol methyl ether acetate) of 4-8%
First component is obtained after section viscosity, is dispensed in proportion；
3) using the amino silicane coupling agent (APTES KH550) of 5-8% as second component, then
Dispense in proportion；
4) by first component and second component according to mass ratio it is 100 when using:The ratio of (5~8) is well mixed, and cures 5-
10min, that is, obtain moisture cured acroleic acid modified polysiloxane coating.
It is in addition concrete with embodiment to a kind of moisture cured acroleic acid modified polysiloxane coating of the present invention below
Explanation.Proportioning in embodiment is calculated in parts by weight.
Embodiment 1
Second：Aminopropyl triethoxysilane
First：Second=100:5
Acroleic acid modified polysiloxane resin, theoretical Si-O-Si contents are 12-18%.
Preparation method is：
1. first component (colored paint component) preparation technology is as follows：
1) take the desired amount of acrylic polysiloxane resin to add in dispersion tank, add required wetting dispersing agent, levelling
Agent, thixotropic agent are added thereto, and 2000r/min dispersion 15-20 minutes, obtain mixture I；
2) under stirring at low speed, progressively by residues such as quantitative sun-proof color stuffing, wear resistant filler, impact resistance filler, plasticizer
Raw material adds mixture I, and 2000r/min dispersion 20-25 minutes, dispersion is finished, is ground to fineness≤25 μ into sand mill
M, is adjusted with low toxicity organic solvent and obtain first component after viscosity, is dispensed in proportion.
2. many kinds of amino silicane coupling agent combinations, the curing agent of requirement are mixed in proportion and obtain final product second component；
Then dispense in proportion.
3. first component and second component are well mixed by formula rate, after curing about 5-10 minutes, that is, obtain moisture-curable
The acroleic acid modified polysiloxane coating of change, the coating can be to ensure application outward appearance using brushing, roller coating and spraying application, push away
Recommend and use spraying application, at 25 DEG C, maintain 7 days in the environment of 50% humidity.
Prepared coating property meets the technical indicator specification of table 1, and specific targets are shown in Table 2.
Embodiment 2
Second：Aminopropyl triethoxysilane
First：Second=100:6
Acroleic acid modified polysiloxane resin, theoretical Si-O-Si contents are 12-18%.
Preparation method is maintained 7 days with embodiment 1, and at 25 DEG C in the environment of 70% humidity.
Prepared coating property meets the technical specification of table 1, and specific targets are shown in 2.
Embodiment 3
Second：Aminopropyl triethoxysilane
First：Second=100:7
Acroleic acid modified polysiloxane resin, theoretical Si-O-Si contents are 12-18%.
Preparation method is maintained 7 days with embodiment 1, and at 25 DEG C in the environment of 90% humidity.
Embodiment 4
Second：Aminopropyl triethoxysilane
First：Second=100:8
Acroleic acid modified polysiloxane resin, theoretical Si-O-Si contents are 12-18%.
Preparation method is maintained 7 days with embodiment 1, and at 25 DEG C in the environment of 50% humidity.
Prepared coating property index is shown in Table 1
The embodiment 1-3 coating property of table 1
From above experimental result, humidity has an impact to resin crosslinks, and the addition of glass dust improves the poly- silicon of acrylic acid
The wearability of siloxane paint.The moisture cured acroleic acid modified polysiloxane coating nonvolatile matter of the present invention is not less than 80%,
Wearability/g (500g ,/500r) is not more than 0.01%.
Above-described embodiment is the invention is not limited in, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour just can make one to some of which technical characteristic
A little to replace and deform, these are replaced and deform within the scope of the present invention.
Claims (9)
1. a kind of moisture cured acroleic acid modified polysiloxane coating, it is characterised in that press including first component and second component
It is 100 according to mass ratio：(5~8) raw material of mixing：
First component
Second component
Amino silicane coupling agent 5-8.
2. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the acrylic acid
Ester modified polyorganosiloxane resin is Shanghai Wanrong chemical material Co., Ltd 818C.
3. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the wetting point
Powder is the BYK2025 of Byk Chemie GmbH.
4. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the thixotropic agent
Degussa Chemical Co., Ltd. aerosil R972.
5. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the sun-proof face
Filler is rutile titanium white powder R-103, carbon black MH, iron oxide red 4597 or the red D2 of DPP；
The wear resistant filler is glass dust that granularity is 2000 mesh；
Described filler is blanc fixe that granularity is 1250 mesh；
The 3000 mesh talcum powder that the impact resistance filler is for granularity.
6. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the levelling agent
For the BYK358N of Byk Chemie GmbH.
7. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the hypotoxicity
Organic solvent is cyclohexanone or propylene glycol methyl ether acetate.
8. the moisture cured acroleic acid modified polysiloxane coating according to right 1, it is characterised in that the amino silicone
Alkane coupling agent is APTES KH550.
9. a kind of preparation method of moisture cured acroleic acid modified polysiloxane coating, it is characterised in that including following steps
Suddenly：
1) take and the acrylic polysiloxane resin of 50-75% is added the wetting that 2-5% is added in dispersion tank according to mass fraction
Dispersant, the levelling agent of 0.1-1%, the thixotropic agent of 0.5-1.2%, dispersed with stirring 15-20min obtains mixture I；
2) under stirring at low speed, successively by the sun-proof color stuffing of 4-25%, the wear resistant filler of 5-10%, the impact resistance filler of 4-7%,
The filler of 5-9% is added in mixture I, and dispersed with stirring 20-25min, dispersion is finished, into sand mill be ground to fineness≤
25 μm, adjusted with the low toxicity organic solvent of 4-8% and obtain first component after viscosity, dispensed in proportion；
3) then 5-8% amino silicane coupling agents are dispensed as second component；
4) by first component and second component according to mass ratio it is 100 when using:The ratio of (5~8) is well mixed, and cures 5-10min,
Obtain moisture cured acroleic acid modified polysiloxane coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611117771.4A CN106675399A (en) | 2016-12-07 | 2016-12-07 | Moisture curable crylic acid modified polysiloxane coating and preparation method thereof |
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| CN201611117771.4A CN106675399A (en) | 2016-12-07 | 2016-12-07 | Moisture curable crylic acid modified polysiloxane coating and preparation method thereof |
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Family
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298941A (en) * | 2017-07-02 | 2017-10-27 | 厦门双瑞船舶涂料有限公司 | A kind of dimer acid modified polysiloxane coating materials and preparation method thereof |
| CN109401052A (en) * | 2018-10-22 | 2019-03-01 | 滁州吉胜新材料科技有限公司 | One kind having impact-resistant nylon plastic(s) and preparation method thereof |
| CN110437740A (en) * | 2019-08-08 | 2019-11-12 | 陕西宝塔山油漆股份有限公司 | A kind of high decoration type acrylic polysiloxane coating and preparation method thereof |
| CN110527099A (en) * | 2019-09-02 | 2019-12-03 | 陕西宝塔山油漆股份有限公司 | A kind of polysiloxane-grafted modified acrylic ester resin and synthetic method of the room temperature curing of zero isocyanates |
| CN113061393A (en) * | 2021-04-08 | 2021-07-02 | 西北永新涂料有限公司 | Ultra-long chemical-resistant moisture-curing acrylic modified polysiloxane coating and preparation method and coating method thereof |
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| CN101348611A (en) * | 2008-09-05 | 2009-01-21 | 中国海洋石油总公司 | Acroleic acid modified polysiloxane resin and coating thereof |
| CN101955729A (en) * | 2010-10-08 | 2011-01-26 | 洛阳七维防腐工程材料有限公司 | Polysiloxane topcoat for wind power generation equipment |
| CN103694421A (en) * | 2013-12-03 | 2014-04-02 | 浙江大学 | Self-crosslinking low surface energy antifouling coating resin and preparation method thereof |
| CN105482027A (en) * | 2015-12-15 | 2016-04-13 | 上海华谊精细化工有限公司 | Acrylic acid modified polysiloxane resin and application thereof to self-stratifying coating |
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| CN101348611A (en) * | 2008-09-05 | 2009-01-21 | 中国海洋石油总公司 | Acroleic acid modified polysiloxane resin and coating thereof |
| CN101955729A (en) * | 2010-10-08 | 2011-01-26 | 洛阳七维防腐工程材料有限公司 | Polysiloxane topcoat for wind power generation equipment |
| CN103694421A (en) * | 2013-12-03 | 2014-04-02 | 浙江大学 | Self-crosslinking low surface energy antifouling coating resin and preparation method thereof |
| CN105482027A (en) * | 2015-12-15 | 2016-04-13 | 上海华谊精细化工有限公司 | Acrylic acid modified polysiloxane resin and application thereof to self-stratifying coating |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298941A (en) * | 2017-07-02 | 2017-10-27 | 厦门双瑞船舶涂料有限公司 | A kind of dimer acid modified polysiloxane coating materials and preparation method thereof |
| CN109401052A (en) * | 2018-10-22 | 2019-03-01 | 滁州吉胜新材料科技有限公司 | One kind having impact-resistant nylon plastic(s) and preparation method thereof |
| CN110437740A (en) * | 2019-08-08 | 2019-11-12 | 陕西宝塔山油漆股份有限公司 | A kind of high decoration type acrylic polysiloxane coating and preparation method thereof |
| CN110527099A (en) * | 2019-09-02 | 2019-12-03 | 陕西宝塔山油漆股份有限公司 | A kind of polysiloxane-grafted modified acrylic ester resin and synthetic method of the room temperature curing of zero isocyanates |
| CN113061393A (en) * | 2021-04-08 | 2021-07-02 | 西北永新涂料有限公司 | Ultra-long chemical-resistant moisture-curing acrylic modified polysiloxane coating and preparation method and coating method thereof |
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Application publication date: 20170517 |
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