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Transparent crystal primer and preparation method thereof

A transparent primer and crystal technology, used in coatings, epoxy resin coatings, etc., can solve the problems of unsatisfactory filling, poor powdering, poor leveling, etc., and achieve moderate hardness, good powdering, and filling. good effect

Active Publication Date: 2013-05-15
CHONGQING PINSHENG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common shortcomings of existing transparent primers are poor transparency, low hardness, poor leveling, poor sanding, poor powdering, unsatisfactory filling, and poor fullness when used directly as a topcoat

Method used

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  • Transparent crystal primer and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A crystal transparent primer, consisting of the following components by weight: 180kg of bisphenol A epoxy resin, 25kg of talcum powder with a fineness of 1250 mesh, 20kg of quartz powder with a fineness of 2500 mesh, 1.0kg of a dispersant, and an anti-sedimentation agent 2.5kg, zinc stearate 15kg, ethyl acetate 9kg, bentonite 0.9kg, toluene 1.5kg, wax liquid 2.0kg, defoamer 1.5kg, leveling agent 0.5kg, drier 1.0kg; It is prepared by mixing 0.25kg of organo-modified siloxane and 0.25kg of polyether-modified polydimethylsiloxane; the drier is dibutyltin dilaurate.

[0018] Its preparation method comprises the following steps:

[0019] a. Take the material according to the formula stated in it for later use;

[0020] b. Pour epoxy resin, dispersant, anti-sedimentation agent, zinc stearate, talc powder with a fineness of 1250 mesh, quartz powder with a fineness of 2500 mesh, ethyl acetate and bentonite into the mixer at 800 rpm Mix and disperse at high speed for 15-20 mi...

Embodiment 2

[0025] A crystal transparent primer, consisting of the following components by weight: 200kg of epoxy E-44 resin, 15kg of talcum powder with a fineness of 1250 mesh, 25kg of quartz powder with a fineness of 2500 mesh, 0.5kg of a dispersant, and an anti-settling agent 3.5kg, zinc stearate 10kg, ethyl acetate 11kg, bentonite 1.0kg, toluene 1.0kg, wax liquid 2.5kg, defoamer 1.0kg, leveling agent 1.0kg, drier 0.5kg. The leveling agent is prepared by mixing 0.5kg of organo-modified siloxane and 0.5kg of polyether-modified polydimethylsiloxane. The drier is dibutyltin dilaurate.

[0026] Its preparation method is with embodiment 1.

Embodiment 3

[0028] A crystal transparent primer, consisting of the following components by weight: 185kg of E-20 resin, 20kg of talcum powder with a fineness of 1250 mesh, 22kg of quartz powder with a fineness of 2500 mesh, 0.8kg of dispersant, 3kg of anti-sedimentation agent, Zinc stearate 13kg, ethyl acetate 10kg, bentonite 0.9kg, toluene 1.5kg, wax liquid 2.4kg, defoamer 1.2kg, leveling agent 0.6kg, drier 0.9kg. The leveling agent is prepared by mixing 0.3kg of organo-modified siloxane and 0.3kg of polyether-modified polydimethylsiloxane. The drier is dibutyltin dilaurate.

[0029] Its preparation method is with embodiment 1.

[0030] In the above three embodiments, the dispersant is EFKA-4010 dispersant produced by Guangzhou Shenggao Chemical Technology Co., Ltd.; the anti-settling agent is anti-settling agent 6900HV-20 produced by Shanghai Angling Trading Co., Ltd.; The foaming agent is EFKA-2020 defoamer produced by Guangzhou Shenggao Chemical Technology Co., Ltd.

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Abstract

The invention discloses a crystal transparent primer. The primer comprises the following components in parts by weight: 180-200 parts of epoxy resins, 15-25 parts of talcum powder with 1250-mesh fineness, 20-25 parts of quartz powder with 2500-mesh fineness, 0.5-1.0 part of a dispersing agent, 2.5-3.5 parts of an anti-settling agent, 10-15 parts of zinc stearate, 9-11 parts of ethyl acetate, 0.9-1.0 part of bentonite, 1.0-1.5 parts of toluene, 2.0-2.5 parts of wax liquid, 1.0-1.5 parts of a defoaming agent, 0.5-1.0 part of a levelling agent and 0.5-1.0 part of a dryer. The transparent crystal primer prepared by using a specific formula and a specific preparation method has the beneficial effects of being moderate in hardness, easy to polish, good in dusting during polishing, good in filling property and good levelling property, and has high fullness and better handfeel when directly serving as finish; the transparency is more than two times that of the existing common primers; and meanwhile, other properties of the transparent crystal primer completely meet the standards, so that the transparent crystal primer is suitable for the fields of decoration and protection of solid wood furniture.

Description

technical field [0001] The invention relates to a paint and a preparation method thereof, in particular to a crystal transparent primer and a preparation method thereof. Background technique [0002] A primer is a paint that is applied directly to the surface of an object as a solid base for the topcoat. According to the coating requirements, it can be divided into primer primer, secondary primer and so on. The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion functions, etc. At the same time, it can ensure the uniform absorption of the topcoat and make the paint system play its best The best effect, improve the decorative finish. The ubiquitous deficiencies of existing transparent primers are poor transparency, low hardness, poor leveling, poor sanding, poor powdering, unsatisfactory filling, and poor fullness when directly used as a t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/02C09D7/12
Inventor 陈富友
Owner CHONGQING PINSHENG PAINT