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Unsaturated polyester black backing varnish with high fillibility and preparation method thereof

An unsaturated and filling technology, used in polyester coatings, coatings, etc., can solve the problems of high construction environment requirements, inability to form a film at one time, and increase construction costs, achieving high solid content, easy maintenance, and improved production. The effect of efficiency

Inactive Publication Date: 2014-01-01
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing PU paint products not only generally have the problem of solvent residue after paint construction, but also have low filling performance, low hardness, and cannot form a film at one time. They have high requirements for the construction environment, thus reducing production efficiency and increasing construction costs.

Method used

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  • Unsaturated polyester black backing varnish with high fillibility and preparation method thereof
  • Unsaturated polyester black backing varnish with high fillibility and preparation method thereof
  • Unsaturated polyester black backing varnish with high fillibility and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of highly filling unsaturated polyester black primer, which is prepared by the weight ratio of main agent, accelerator, initiator and diluent in the ratio of 100:1:1.2:28;

[0032] The main ingredient is prepared according to the following steps:

[0033] (1) Mix hydroquinone and butyl ester at a weight ratio of 0.01:0.09 to form a polymerization inhibitor;

[0034] (2) After mixing 38.5 parts of unsaturated resin, 1 part of EFAK4010 and 0.3 parts of EFAK fluorocarbon modified polymer, disperse at 1000 rpm for 5 minutes;

[0035] (3) While dispersing, add 0.5 part of MA100 carbon black, 0.1 part of coating grade zinc stearate TV-A and 45 parts of 800 mesh chemical grade talc powder, and disperse at a speed of 1400 rpm until the fineness is less than 60 microns;

[0036] (4) Continue to add 14.5 parts of styrene monomer for common coatings and 0.1 part of polymerization inhibitor, and then disperse at 900 rpm for 5 minutes until uniformly mixed.

[0037] Acceler...

Embodiment 2

[0041] A kind of highly filling unsaturated polyester black primer, which is prepared by the weight ratio of main agent, accelerator, initiator and diluent in the ratio of 100:1:1.1:30;

[0042] The main ingredient is prepared according to the following steps:

[0043] (1) Mix hydroquinone and butyl ester at a weight ratio of 0.01:0.09 to form a polymerization inhibitor;

[0044] (2) After mixing 41.2 parts of unsaturated resin, 0.7 parts of EFAK4010 and 0.2 parts of EFAK fluorocarbon modified polymer, disperse at 800 rpm for 5 minutes;

[0045] (3) While dispersing, add 0.6 parts of MA100 carbon black, 2 parts of coating grade zinc stearate TV-A and 42 parts of 800 mesh chemical grade talc powder, and disperse at a speed of 1200 rpm until the fineness is less than 60 microns;

[0046] (4) Continue to add 13.2 parts of styrene monomer for common coatings and 0.1 part of polymerization inhibitor, and then disperse at 1000 rpm for 6 minutes until uniformly mixed.

[0047] Acce...

Embodiment 3

[0051] A kind of highly filling unsaturated polyester black primer, which is prepared by the weight ratio of main agent, accelerator, initiator and diluent in 100:1:1.2:25;

[0052] The main ingredient is prepared according to the following steps:

[0053] (1) Mix hydroquinone and butyl ester at a weight ratio of 0.02:0.18 to form a polymerization inhibitor;

[0054] (2) After mixing 50 parts of unsaturated resin, 0.5 part of EFAK4010 and 0.1 part of EFAK fluorocarbon modified polymer, disperse at 900 rpm for 5 minutes;

[0055] (3) While dispersing, add 0.7 parts of MA100 carbon black, 2 parts of coating grade zinc stearate TV-A and 36 parts of 800 mesh chemical grade talcum powder, and disperse at a speed of 1300 rpm until the fineness is less than 60 microns;

[0056] (4) Continue to add 10.5 parts of styrene monomer for common coatings and 0.2 parts of polymerization inhibitor, and then disperse at 1000 rpm for 5 minutes until uniformly mixed.

[0057] Accelerator is cob...

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Abstract

The invention relates to unsaturated polyester black backing varnish with high fillibility and a preparation method thereof. The black backing varnish is prepared from a main agent, a promoter, an initiator and a diluent according to a weight ratio of (90-110): (0.9-1.1): (1.1-1.3): (25-30), wherein the main agent is prepared from the following raw materials in parts by weight: 35-50 parts of unsaturated resin, 0.5-1 part of dispersant, 0.1-0.3 part of non-silicon flatting agent, 0.5-0.8 part of carbon black, 0.1-2 parts of zinc powder, 30-45 parts of talcum powder, 10-20 parts of styrene and 0.1-0.2 part of polymerization inhibitor; the promoter is cobalt naphthenate; the initiator is cyclohexanone peroxide; the diluent is styrene. The unsaturated polyester black backing varnish prepared by the preparation method disclosed by the invention not only has high fillibility and high hardness, but also is capable of improving the fullness of finishing coat, and no solvent is rest on the varnish films after the construction, so that the environmental tolerance of the construction is large.

Description

technical field [0001] The invention relates to a black primer and a preparation method thereof, in particular to a highly filling unsaturated polyester black primer and a preparation method thereof. Background technique [0002] Existing PU paint products not only generally have the problem of solvent residue after paint application, but also have low filling performance, low hardness, cannot form a film at one time, and have high requirements on the construction environment, thus reducing production efficiency and increasing construction costs. Contents of the invention [0003] In order to solve the above-mentioned problems existing in the prior art, the invention provides a kind of highly filling unsaturated polyester black primer and preparation method thereof, the unsaturated polyester black primer prepared by the present invention not only has high filling, High hardness can improve the fullness of the topcoat, and there is no solvent residue in the paint film after...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/06C09D7/12
Inventor 洪杰沈超锜
Owner SKSHU PAINT
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