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Water soluble paint for automobile

A water-soluble paint, automotive technology, applied in coatings, latex paints, etc., can solve problems such as polluting the environment and affecting operating conditions, and achieve the effect of smooth and bright coating film, convenient use and wide curing range

Inactive Publication Date: 2006-06-07
金卫民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional preparation method is to use a copolymer of methacrylate and acrylic acid to make it, and the acrylic resin prepared by this method is generally insoluble in water, and needs to use an organic solvent as a diluent. And discharge harmful gas formaldehyde, etc., pollute the environment and affect the operating conditions

Method used

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  • Water soluble paint for automobile

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Effect test

Embodiment 1

[0043] Embodiment 1, a kind of implementation product of the present invention adopts following raw material and technique to make:

[0044] 1. Raw material formula

[0045] Butanol 60kg

[0046] Deionized water 400kg

[0047] Methacrylic acid 60kg

[0048] Isooctyl methacrylate 155kg

[0049] Acrylamide 130kg

[0050] Di-tert-butyl peroxide 9kg

[0051] Epoxy E-44 255kg

[0052] Triethylamine 15kg

[0053] Styrene 80kg

[0054] Butyl acrylate 160kg

[0055] 2. Process flow

[0056] According to the above formula, butanol, methacrylic acid, isooctyl methacrylate, acrylamide, acrylic resin, styrene and epoxy E-44 are mixed into a single agent, and deionized water with a suitable boiling point is used as a solvent Polymerize at a polymerization concentration of 60%, take di-tert-butyl peroxide as an initiator, add the above-mentioned mixed single agent at a uniform speed, raise the temperature to reflux, react at this temperature for 5 hours, then cool down to 120 degr...

Embodiment 2

[0058] Embodiment 2, another implementation product of the present invention adopts following raw material and process to make:

[0059] 1. Raw material formula

[0060] Butanol 90kg

[0061] Deionized water 600kg

[0062] Methacrylic acid 90kg

[0063] Isooctyl methacrylate 185kg

[0064] Acrylamide 160kg

[0065] Benzoyl Peroxide 12kg

[0066] Epoxy E-44 285kg

[0067] Triethylamine 18kg

[0068] Acrylic 100kg

[0069] Ethyl acrylate 200kg

[0070] 2. Process flow

[0071] According to the above formula, butanol, methacrylic acid, isooctyl methacrylate, acrylamide, ethyl acrylate, acrylic acid and epoxy E-44 are mixed into a single agent, and deionized water with a suitable boiling point is used as a solvent in the Polymerize at a polymerization concentration of 65%, take benzoyl peroxide as an initiator, add the above-mentioned mixed single agent at a uniform speed, heat up to reflux, react at this temperature for 6 hours, then cool down to 140 degrees, and add trie...

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Abstract

The water soluble paint for automobile consists of butanol, deionized water, methacrylic acid, isooctyl methacrylate, acrylamide, di-tert-butyl peroxide, epoxy resin E-44, triethylamine, styrene and butyl acrylate in certain proportion. Its preparation process includes mixing the materials, polymerization in deionized water, controlling pH with triethylamine in 7.5-8.5, and filtering. The paint is water soluble, produces no formaldehyde and other harmful gas, and forms smooth and bright film in lower roasting temperature and with salty fog resistance, high attachment and wide curing temperature range. It may be used directly or after being added with pigment to form color paint for anticorrosion and surface decoration of automobile, furniture and other metal and non-metal material.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-soluble coating for automobiles and a preparation method thereof. Background technique [0002] Acrylic coatings, because of their excellent color, good color and gloss retention, good heat resistance and chemical resistance, and outstanding three-proof (anti-humidity, anti-salt spray, anti-mold) performance, etc., are becoming more and more popular. The more people pay attention and adopt it, it is the development direction of the coatings industry. The traditional preparation method is to use a copolymer of methacrylate and acrylic acid to make it, and the acrylic resin prepared by this method is generally insoluble in water, and needs to use an organic solvent as a diluent. And discharge harmful gas formaldehyde, etc., pollute the environment and affect the operating conditions. Contents of the invention [0003] The technical problem to be solved in the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/10C09D5/02
Inventor 金卫民
Owner 金卫民
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