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Method for preparing atomic ash for automobile metal plate

A technology of putty and sheet metal, applied in the direction of filling slurry, etc., can solve the problems of fast drying of putty, scraping, polishing and other unsatisfactory performance, foaming of putty, poor performance, etc. , good environmental protection, light specific gravity

Inactive Publication Date: 2012-04-11
TIANCHANG CITY TONGTIAN CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This requires the automobile sheet metal repair industry to improve work efficiency and speed up construction, which has brought many adverse consequences, such as causing foaming and falling off of the atomic ash coated on the body of some repaired vehicles soon after.
But blame its occurrence reason with regard to above-mentioned this situation and mainly contain two points, on the one hand, be caused by operator's improper operation; Scratching, polishing and other performances are not satisfactory
These properties are limited by the components of the traditional putty and the production process, so it will inevitably determine its poor performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A method for preparing putty for automobile sheet metal, the main agent of the putty is composed of the following components in parts by weight: 100 parts of unsaturated polyester resin, 5 parts of methyl hydroxyethyl toluidine, 2 parts of styrene Parts, 0.8 parts of polytetrafluoroethylene wax, 1 part of hydroquinone, gas phase SiO 2 1 part, 6 parts of titanium dioxide, 1 part of hollow glass microspheres, 8 parts of talcum powder, 5 parts of expanded micropowder, the initiator is composed of the following ingredients by weight ratio: 70 parts of benzoyl peroxide, dibutyl phthalate 25 parts of ester, 8 parts of silicon dioxide, described preparation method comprises the steps:

[0016] 1) Add the air-drying unsaturated polyester resin into a mixing tank according to the above ratio, start the mixer, set the speed at 650 rpm, and then add methyl hydroxyethyl toluidine, hydroquinone, benzene Ethylene, PTFE wax, gas phase SiO 2 , Stir for 15 minutes after all addition;...

Embodiment 2

[0020] A method for preparing putty for automobile sheet metal, the main agent of the putty is composed of the following components in parts by weight: 100 parts of unsaturated polyester resin, 7 parts of methyl hydroxyethyl toluidine, 1 part of styrene Parts, 1.2 parts of polytetrafluoroethylene wax, 0.5 parts of hydroquinone, gas phase SiO 2 2 parts, 4 parts of titanium dioxide, 2 parts of hollow glass microspheres, 5 parts of talcum powder, 6 parts of expanded micropowder, and the initiator consists of the following components by weight ratio: 60 parts of benzoyl peroxide, dibutyl phthalate 35 parts of ester, 2 parts of silicon dioxide, described preparation method comprises the steps:

[0021] 1) According to the above ratio, add air-drying unsaturated polyester resin into a mixing tank, start the mixer, set the speed at 750 rpm, and then add methyl hydroxyethyl toluidine, hydroquinone, benzene Ethylene, PTFE wax, gas phase SiO 2 , Stir for 10 minutes after all addition...

Embodiment 3

[0025] A method for preparing putty for automobile sheet metal, the main agent of the putty is composed of the following components in parts by weight: 100 parts of unsaturated polyester resin, 6 parts of methyl hydroxyethyl toluidine, 1.5 parts of styrene Parts, 1 part of polytetrafluoroethylene wax, 0.8 parts of hydroquinone, gas phase SiO 2 1.5 parts, 5 parts of titanium dioxide, 1.5 parts of hollow glass microspheres, 6.5 parts of talcum powder, 5.5 parts of expanded micropowder, and the initiator consists of the following components by weight: 65 parts of benzoyl peroxide, dibutyl phthalate 30 parts of ester, 5 parts of silicon dioxide, described preparation method comprises the steps:

[0026] 1) Add air-drying unsaturated polyester resin into a mixing tank according to the above ratio, start the mixer, set the speed at 700 rpm, and then add methyl hydroxyethyl toluidine, hydroquinone, benzene Ethylene, PTFE wax, gas phase SiO 2 , Stir for 12 minutes after all the add...

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PUM

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Abstract

The invention discloses a method for preparing atomic ash for an automobile metal plate. In the atomic ash, a main agent consists of unsaturated polyester resin, methyl hydroxyethyl toluidine, styrene, polytetrafluoroethylene wax, hydroquinone, gaseous phase SiO2, titanium white, hollow glass beads, talcpowder and expansion micro powder; and an initiator consists of benzoyl peroxide, dibutyl phthalate and silicon dioxide. The preparation method comprises the following steps of: preparing the main agent; preparing the initiator; and blending and mixing the main agent and the initiator uniformly in a ratio of 100:(1.3-1.7). After being coated, the atomic ash prepared by the method is quick in curing and small in influence of temperature and humidity, and can be polished after being coated 25 minutes later. The atomic ash is high in environment friendliness, and has high adhesion on the surfaces of various metal substrates, high construction performance and high various physicochemical indexes.

Description

technical field [0001] The invention relates to the field of chemical coatings, in particular to a method for preparing atomic ash for automobile sheet metal. Background technique [0002] The putty is made of unsaturated polyester resin, pigments and fillers, tougheners, accelerators, etc., and curing agent. The curing speed can be adjusted by the amount of curing agent. It is mainly used for caulking before painting. It is a kind of putty. The difference from other synthetic resin putties is: 100% participate in curing, can be shaped at will, fill more than 10mm of coating at one time without shrinkage; quick-drying at room temperature, easy to polish; good adhesion to metal, high strength, delicate, smooth and smooth , has a certain anti-rust ability, and can be well matched with various coatings without primer. Atomic ash is a fast-growing embedded filling material in the world in the past 20 years. Today, with the rapid development of science and technology, people w...

Claims

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Application Information

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IPC IPC(8): C09D5/34
Inventor 卢齐元
Owner TIANCHANG CITY TONGTIAN CHEM
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