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Acrylic acid modified polysiloxane coating and preparation method thereof

A technology of polysiloxane and acrylic, applied in the direction of coating, etc., to achieve the effect of high coating rate, fast drying and high crosslinking density

Active Publication Date: 2021-12-21
河南三棵树新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of acrylic modified polysiloxane coating and preparation method thereof, to solve the problems mentioned in the above-mentioned process

Method used

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  • Acrylic acid modified polysiloxane coating and preparation method thereof
  • Acrylic acid modified polysiloxane coating and preparation method thereof
  • Acrylic acid modified polysiloxane coating and preparation method thereof

Examples

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Effect test

Embodiment 1

[0022] An acrylic-modified polysiloxane coating, comprising ingredient one and ingredient two, said ingredient one comprising, in parts by weight: 20-30% of acrylic resin containing active hydrogen functional groups, polysiloxane containing phenyl / methyl functional groups 10-20% of oxane intermediates, 20-30% of pigments and fillers, 0.1-0.5% of rheological additives, 5-20% of composite environmental protection solvents, 0.2-1% of leveling agents, 10-15% of methyl methacrylate , butyl acrylate 3-7%;

[0023] The second ingredient includes by weight: 20-30% of silicone resin containing active hydroxyl groups, 5-10% of organosiloxanes containing reactive glycidoxy and methoxy groups, and 0.1-10% of catalysts. 0.5%.

[0024] Preferably, the leveling agent is a polyether-modified polymethylalkylsiloxane solution.

[0025] Preferably, the catalyst is an organic titanium compound.

[0026] Preferably, the ingredients in the first ingredient are, in parts by weight, respectively: ...

Embodiment 2

[0034] An acrylic-modified polysiloxane coating, comprising ingredient one and ingredient two, said ingredient one comprising, in parts by weight: 20-30% of acrylic resin containing active hydrogen functional groups, polysiloxane containing phenyl / methyl functional groups 10-20% of oxane intermediates, 20-30% of pigments and fillers, 0.1-0.5% of rheological additives, 5-20% of composite environmental protection solvents, 0.2-1% of leveling agents, 10-15% of methyl methacrylate , butyl acrylate 3-7%;

[0035] The second ingredient includes by weight: 20-30% of silicone resin containing active hydroxyl groups, 5-10% of organosiloxanes containing reactive glycidoxy and methoxy groups, and 0.1-10% of catalysts. 0.5%.

[0036] Preferably, the leveling agent is a polyether-modified polymethylalkylsiloxane solution.

[0037] Preferably, the catalyst is an organic titanium compound.

[0038] Preferably, the components in the said ingredient 1 are respectively by weight: 21% of acry...

Embodiment 3

[0046] An acrylic-modified polysiloxane coating, comprising ingredient one and ingredient two, said ingredient one comprising, in parts by weight: 20-30% of acrylic resin containing active hydrogen functional groups, polysiloxane containing phenyl / methyl functional groups 10-20% of oxane intermediates, 20-30% of pigments and fillers, 0.1-0.5% of rheological additives, 5-20% of composite environmental protection solvents, 0.2-1% of leveling agents, 10-15% of methyl methacrylate , butyl acrylate 3-7%;

[0047] The second ingredient includes by weight: 20-30% of silicone resin containing active hydroxyl groups, 5-10% of organosiloxanes containing reactive glycidoxy and methoxy groups, and 0.1-10% of catalysts. 0.5%.

[0048] Preferably, the leveling agent is a polyether-modified polymethylalkylsiloxane solution.

[0049] Preferably, the catalyst is an organic titanium compound.

[0050] Preferably, the components in the said ingredient 1 are respectively by weight: 25% of acry...

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Abstract

The invention relates to the technical field of heavy anti-corrosion coatings, in particular to an acrylic acid modified polysiloxane coating and a preparation method thereof. The coating comprises a first ingredient and a second ingredient. The first ingredient comprises, by weight, 20-30% of acrylic resin containing reactive hydrogen functional groups, 10-20% of polysiloxane intermediates containing phenyl / methyl functional groups, 20-30% of pigments and fillers, 0.1-0.5% of rheological additives, 5-20% of composite environment-friendly solvents, 0.2-1% of flatting agents, 10-15% of methyl methacrylate and 3-7% of butyl acrylate. The second ingredient is prepared from the following components in parts by weight: 20 to 30 percent of organic silicon resin containing active hydroxyl groups, 5 to 10 percent of organic siloxane containing reactive epoxy propoxy groups and methoxyl groups and 0.1 to 0.5 percent of a catalyst. The polysiloxane resin is added, so that the coating can effectively maintain color and gloss for a long time, and can be used as a part of a high-performance anti-corrosion coating system; various functional groups are provided for the system, mutual catalytic reaction is achieved, and the crosslinking density is high. The product has the characteristics of long adaptation period, high drying speed, good chemical resistance and the like.

Description

technical field [0001] The invention relates to the technical field of heavy-duty anti-corrosion coatings, in particular to an acrylic modified polysiloxane coating and a preparation method thereof. Background technique [0002] Polysiloxane coatings are divided into two types: acrylic polysiloxane and epoxy polysiloxane. The gloss and color permanence of acrylic-modified polysiloxane coatings are significantly better than typical polyurethane topcoats, and the gloss and color retention is also better than that of first-generation epoxy-modified polysiloxane topcoats. better. In addition, acrylic-modified polysiloxane coatings have the same corrosion resistance and slightly better mechanical properties than conventional epoxy technology. At present, there are two main types of acrylic polysiloxane: one is the addition and hydrolysis condensation between the acrylic resin containing double bonds and siloxane, and the other is the hydrolytic interaction between the acrylic r...

Claims

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Application Information

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IPC IPC(8): C09D4/06C09D4/02C09D7/65
CPCC09D4/06C09D7/65
Inventor 张胜军张宗健
Owner 河南三棵树新材料科技有限公司
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