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Aqueous hand-feeling coating and preparation method and use

A water-based, hand-feeling technology, applied in polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor adhesion, poor wear resistance, low hardness, etc., to improve hardness and wear resistance, Dense film and good adhesion

Inactive Publication Date: 2018-12-18
HUNAN SOKAN NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a water-based feel paint to solve the technical problems of poor adhesion, low hardness and poor wear resistance of the water-based feel paint

Method used

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  • Aqueous hand-feeling coating and preparation method and use
  • Aqueous hand-feeling coating and preparation method and use
  • Aqueous hand-feeling coating and preparation method and use

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0043] As a general inventive concept, the present invention also provides the preparation method of above-mentioned waterborne feel paint, comprises the following steps:

[0044] (1) Put the polyester-modified water-based elastic resin into the container, then put into the substrate wetting agent, dispersant, elastic powder, matting powder, some additives and water to mix, fully stir and disperse to obtain a mixed solution;

[0045] (2) Stirring the mixed solution in step (1) while adding polyester resin, remaining additives and water, stirring, filtering and dispersing to obtain a coating component;

[0046] (3) The coating component and the curing component are divided into packages to obtain a water-based touch coating.

[0047] The preparation method of the above-mentioned water-based touch paint has a simple preparation process. First, the modified water-based elastic resin is mixed with a substrate wetting agent, a dispersant, elastic powder, a matting powder, some additi...

Embodiment 1

[0053] The parts by mass of the water-based feel paint in Example 1 are listed in Table 1.

[0054] Table 1 The composition of each component of the water-based feel paint

[0055]

[0056] The preparation method of above-mentioned waterborne feel paint is as follows:

[0057] (1) Mix polyester-modified water-based elastic resin, polyether siloxane copolymer, acetylene glycol, high molecular weight block copolymer, polyurethane color beads, silica, part of polysiloxane copolymer and water , disperse at 1500r / min for 20min to a particle size of 15μm to obtain a mixed solution;

[0058] (2) Add polyester resin, polysiloxane-polyether copolymer, remaining polysiloxane copolymer and water to the mixed solution in step (1), stir at 1000r / min for 15min, and filter with 200 mesh to obtain a coating composition point.

[0059] (3) 80% by weight of the isocyanate curing agent in the curing component and 20% by weight of the diluent are mixed, filtered with 300 mesh, and the curin...

Embodiment 2

[0062] The parts by mass of the water-based feel paint in Example 2 are listed in Table 2.

[0063] Table 2 The composition of each component of the water-based feel paint

[0064]

[0065] The method for preparing the water-based feel paint in this embodiment is the same as that in Embodiment 1.

[0066] Add an appropriate amount of water to the above-mentioned water-based touch paint, spray it on the surface of the ABS+PC material, control the dry film thickness at 40 μm, bake at 90°C for 30 minutes, and test at 90°C for 8 hours. The test results refer to the table 4. The results show that the adhesion of the water-based touch paint is 5B, the hardness is H, and the hand feel is fine and smooth.

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Abstract

The invention discloses an aqueous hand-feeling coating. The aqueous hand-feeling coating comprises, by weight, 40 to 60 parts of a polyester-modified water-based elastic resin, 5 to 10 parts of a polyester resin, 0.6 to 1.3 parts of a base wetting agent, 0.3 to 0.7 parts of a dispersing agent, 3 to 7 parts of elastic powder, 3 to 6 parts of matting powder, 0.7 to 2 parts of an aid and 23 to 32 parts of water. The aqueous hand-feeling coating has the characteristics of smooth paint, good adhesion and high hardness. A preparation method of the aqueous hand-feeling coating comprises two dispersion processes and physical mixing. Through the preparation method, the aqueous hand-feel coating has small particle sizes, is easy to disperse and is evenly distributed. The preparation method is simple and is suitable for large-scale use.

Description

technical field [0001] The invention relates to the field of water-based coatings, in particular to a water-based hand-feeling coating. In addition, the invention also relates to a preparation method and application of the water-based touch paint. Background technique [0002] With the improvement of people's awareness of environmental protection, water-based coatings are accepted by more people as a more environmentally friendly coating material, and the prospects for water-based coatings are getting better and better. Water-based paint uses water as a solvent, saving a lot of resources. Water-based coatings eliminate the risk of flooding during construction and reduce air pollution. Water-based coatings only use a small amount of low-toxic alcohol ether organic solvents, which improves the working environment and has a significant effect on reducing pollution and saving resources. [0003] However, there are many gaps between the performance of water-based touch coating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/06C09D167/00
CPCC08L2205/035C09D175/06C08L67/00
Inventor 李绘江曾煜刘唐辉邓磊乔李平李玉良缪培凯吕国强杨波凌云剑
Owner HUNAN SOKAN NEW MATERIAL
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