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Automobile wear-resistant paint and preparation method thereof

A wear-resistant coating, automotive technology, applied in the direction of coating, can solve the problems of insufficient bonding force, coating sag, inconvenient construction, etc., to make up for the insufficient bonding force, improve the force, and meet the requirements of the spraying process.

Active Publication Date: 2014-10-29
GUANGDONG TGPM AUTOMOTIVE IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are some problems in the specific implementation process of the wear-resistant coating prepared only by using PVC resin, plasticizer, tackifier and inorganic powder. For example, after coating and standing for 24 hours, the coating is prone to sag and The phenomenon of slipping will cause some inconvenience to the construction
The reason for slipping and sagging is that the interface between the coating and the electrophoretic plate and the bonding force between the components of the coating are insufficient, but there is no suitable technical solution in the prior art. According to the anti-sagging measures of the above-mentioned prior art, a reasonable choice of solvent , it is difficult to solve this problem by improving the spraying method and controlling the construction viscosity, and it is difficult to really effectively solve the problems involved in adjusting the formula only by adding anti-sagging additives.

Method used

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  • Automobile wear-resistant paint and preparation method thereof

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Embodiment 1

[0033] A method for preparing a wear-resistant coating for automobiles, mainly a method for improving the anti-slip and anti-sag performance of a wear-resistant coating for automobiles, comprising the following steps:

[0034] In the first step, add 100 parts of PVC resin and 115 parts of plasticizer (DINP, Shijie Hengji Chemical Factory, Dongguan City) into the reaction kettle by mass fraction, and stir for 35 minutes until uniform;

[0035] In the second step, in terms of mass fraction, 1 part of silane coupling agent (wherein Z-6020 and A-171 (U.S. Union Carbide) each 0.5 part), azobisisobutyronitrile 0.001 part is added in the reactor, while Increase the stirring speed (the stirring speed is greater than that of the first step), and stir for 20 minutes; Z-6020 is a methacryloxy functional group silane.

[0036] In the third step, in terms of mass fraction, 0.3 parts of organic fluorine surfactant (wherein HP-31 is 0.1 part, Silok-122 is 0.2 part), 2 parts of tackifier (eac...

Embodiment 2

[0042] A method for preparing a wear-resistant coating for automobiles, mainly a method for improving the anti-slip and anti-sag performance of a wear-resistant coating for automobiles, comprising the following steps:

[0043] The first step is to add 100 parts of PVC resin and 117 parts of plasticizer (DINP) into the reaction kettle by mass fraction, and stir for 38 minutes until uniform;

[0044] In the second step, 2 parts of silane coupling agents (KBM-602 and A-172) and 0.003 parts of azobisisobutyronitrile were added to the reaction kettle in terms of mass fraction, and the stirring speed was increased at the same time, and stirred for 23 minutes;

[0045] The third step is to add 0.35 parts of organic fluorine surfactants (Silok-122 and Silok-200) and 3 parts of tackifiers (polyacrylate and polyamide) into the reaction kettle in terms of mass fraction, and stir well until uniform;

[0046] In the fourth step, add 260 parts of inorganic powder (diatomaceous earth, titanium...

Embodiment 3

[0050] A method for preparing a wear-resistant coating for automobiles, mainly a method for improving the anti-slip and anti-sag performance of a wear-resistant coating for automobiles, comprising the following steps:

[0051] The first step is to add 100 parts of PVC resin and 120 parts of plasticizer (DINP) into the reaction kettle by mass fraction, and stir for 39 minutes until uniform;

[0052] In the second step, 3 parts of silane coupling agents (KBM-603 and A-174) and 0.005 parts of azobisisobutyronitrile were added to the reaction kettle in terms of mass fraction, and the stirring speed was increased at the same time, and stirred for 26 minutes;

[0053] In the third step, 0.4 parts of organic fluorine surfactants (Silok-200 and RB-822) and 4 parts of tackifiers (Montan resin and polyethylene glycol diester) were added to the reactor in terms of mass fraction. Stir until smooth;

[0054] The 4th step, by mass fraction, add the inorganic powder (silicon dioxide and cal...

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Abstract

The invention discloses an automobile wear-resistant paint and a preparation method thereof. The preparation method comprises the following steps: adding 100 parts by weight of PVC and 115 to 125 parts by weight of plasticizer into a reactor, evenly mixing; adding 1 to 6 parts by weight of silane coupling agent and 0.001 to 0.01 part of azodiisobutyronitrile into the reactor, increasing the stirring speed to evenly stir the mixture; adding 0.3 to 0.8 part by weight of organic fluorine surfactant and 2 to 8 parts of tackifier into the reactor, fully stirring until the added materials are evenly mixed; adding 250 to 300 parts of inorganic powder, increasing the stirring speed; and vacuumizing to remove the gas after the inorganic powder is evenly dispersed so as to obtain the automobile wear-resistant paint. The automobile wear-resistant paint has the excellent flame retardant performance, anticorrosion performance, and electric insulation performance, and high mechanical strength of polyvinyl chloride resin paint, and also has a very good anti-dropping and anti-sagging performance at the same time.

Description

technical field [0001] The invention relates to a coating for automobiles, in particular to a wear-resistant coating for automobiles and a preparation method thereof; Method for improving the anti-slip and anti-sag properties of coatings. The paint is generally sprayed on the wheel covers, floor panels, side beams, fenders, door pedals and other parts of the car. Background technique [0002] With the rapid development of society and the rapid progress of science and technology, the relationship between cars and humans has become more and more closely related. However, when the car is running, its wheel covers, floor panels, side beams, fenders, and door pedals are easily impacted by sand and stones, which can easily damage these parts and cause corrosion, thereby bringing hidden dangers to driving. Therefore, it is very important and necessary to protect these parts of the car, and the commonly used protection method is to coat these parts with wear-resistant paint. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/06C09D7/12
Inventor 徐桥华胡建华邹志群李艳李远光邹红刘平
Owner GUANGDONG TGPM AUTOMOTIVE IND GRP
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