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Middle coating for vehicle furnace drying

A paint and automotive technology, applied in coatings, polyester coatings, epoxy resin coatings, etc., can solve the problems of low yellowing, low gloss and color retention, high cost, etc., and achieve low cost and interlayer bonding Good fastness and color retention

Inactive Publication Date: 2008-09-24
SHIYUAN JINFENG CHEM INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The primer coating requires good adhesion, strong antirust ability, and strong combination with the topcoat. The topcoat coating requires good decoration, acid resistance, alkali resistance, wear resistance, high temperature resistance, and good insulation; Paint and topcoat are firmly combined, and have good adhesion, high hardness, good fullness, high luminosity, good high temperature resistance, small yellowing, good gloss and color retention, and no bite between the primer and the surface. There is no floating color between paints, so it is difficult to meet such high requirements with a single resin paint, and the cost is also high

Method used

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Examples

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Embodiment Construction

[0008] A kind of car paint during drying, the raw materials are by weight; 20 parts of amino resin, 20 parts of polyester resin, 2.8 parts of epoxy resin, 30 parts of alkyd resin, 21 parts of color filler and 5 parts of diluent are compounded ;Auxiliaries by weight: 0.2 parts of wetting and dispersing agent, 0.2 parts of anti-settling agent, 0.2 parts of defoaming agent, 0.2 parts of leveling agent, 0.1 part of anti-floating and anti-skinning agent, 0.1 part of anti-skinning agent and stir evenly It can also be used to prepare car paint during drying.

[0009] Remarks: The above-mentioned paint additives in the drying process of automobiles can be adjusted according to the actual situation in the specific operation process to achieve a state suitable for the application.

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PUM

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Abstract

The invention relates to an automobile drying primer surfacer. Amino resin is taken as a crosslinking agent to have crosslinking reaction with resin with hydroxyl, such as alkyd resin, polyester resin, epoxy resin, acrylic resin, etc., and the primer surfacer which has the advantages of high hardness, good adhesion, firm interlayer bonding, good excessive roasting, good decorativeness, wear resistance, gloss retention, good color retention and low cost is processed and produced through re-mixing the alkyd resin, the epoxy resin and the amino resin according to the mechanisms of condensation, polymerization, curing and film formation; the automobile drying primer surfacer is characterized in that 15 portions to 25 portions of amino resin, 19 portions to 21 portions of polyester resin, 2.7 portions to 2.9 portions of epoxy resin, 25 portions to 35 portions of alkyd resin, 16 portions of 26 portions of pigment and filler and 2 potions to 7 portions of diluent are re-mixed; and then a promoter in a certain proportion is added in; finally the automobile drying primer surfacer is obtained.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to an intermediate coating for automobile drying. Background technique [0002] Paint is a supporting engineering material that is coated on the surface of an object (to be protected and decorated) and can firmly adhere to a continuous film. Whether the main film-forming substance of the paint is composed of grease and polymer materials (resin), non-volatile The active diluent also belongs to the film-forming substance, which is the main substance for the paint to firmly adhere to the surface of the object to be coated to form a continuous film. It is the basis of the paint and plays a decisive role in the physical and chemical properties of the paint. The primer coating requires good adhesion, strong antirust ability, and strong combination with the topcoat. The topcoat coating requires good decoration, acid resistance, alkali resistance, wear resistance, high temperature resistanc...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D161/20B05D7/14C09D163/00
Inventor 徐海潮付兴彦李鸿鸣王定波
Owner SHIYUAN JINFENG CHEM INDAL
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