Preparation method of acid and alkali resistant acrylic lacquer

An acrylic varnish and a production method technology, applied in the direction of coating and the like, can solve the problems of poor acid and alkali resistance of varnish, and achieve the effect of excellent acid and alkali corrosion resistance

CN104087110AInactive Publication Date: 2014-10-08陆红梅
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2014-10-08
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention provides a preparation method of acid and alkali resistant acrylic lacquer. The preparation method of the acid and alkali resistant acrylic lacquer comprises the following steps: carrying out copolymerization on 1226 parts by weight of butyl acrylate and 223 parts of maleic anhydride, so that a first component is obtained; carrying out reaction on 68.6 parts by weight of diisopropanol amine, 38.5 parts by weight of isobutyraldehyde and 94.3 parts by weight of polyisocyanates, so that a second component is obtained; carrying out polymerization on 3000 parts of 3-methylacrylic acid propyl trimethoxy silane, 600 parts of methyl methacrylate and 400 parts of butyl acrylate, so that a third component is obtained; grinding the first component, the second component and the third component, and uniformly mixing, so that the acid and alkali resistant acrylic lacquer is obtained. The acid and alkali resistant acrylic lacquer can be coated on a coloured or undercoated base material just like common lacquer, has good acid and alkali corrosion resistance, can resist 6% sulphuric acid, 6.1mol / L potassium hydroxide and methyl ethyl ketone and can be applied to a table board of a laboratory.
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Description

technical field

[0001] The invention relates to a preparation method of paint, in particular to a preparation method of acid and alkali resistant acrylic varnish. Background technique

[0002] Current varnishes are not good in acid and alkali resistance, or have acid resistance alone, and some have alkali resistance alone, but there is no varnish that can resist both acid and alkali at the same time. Contents of the invention

[0003] The purpose of the present invention is to provide a method for making acid and alkali resistant acrylic varnish, which solves one or more problems in the prior art.

[0004] According to one aspect of the present invention, a kind of preparation method of acid and alkali resistant acrylic varnish is provided, the butyl acrylate that is 1226 parts by weight and the maleic anhydride copolymerization of 223 parts obtain the first component; Number is 68.6 parts of diisopropanolamine, 38.5 parts of isobutyraldehyde, 94.3 parts of polyisocyanate...

Examples

Embodiment Construction

[0007] The invention provides a method for making an acid and alkali-resistant acrylic varnish. The first component is obtained by copolymerizing 1226g of butyl acrylate and 223g of maleic anhydride; 68.6g of diisopropanolamine, 38.5g of The polyisocyanate reaction of butyraldehyde, 94.3g obtains the second component; The 3-methacrylic acid propyl trimethoxysilane of 3000g, the methyl methacrylate of 600g, the butyl acrylate copolymerization of 400g obtain the third component; The first component, the second component and the third component are ground and mixed uniformly to obtain an acid and alkali resistant acrylic varnish.

[0008] The invention provides a method for making an acid and alkali resistant acrylic varnish. The modified acrylic varnish is the same as the general varnish, and can be coated on colored or primed substrates. The invention has excellent acid resistance Alkali corrosion ability, able to withstand 6% sulfuric acid, 6.1mol / L potassium hydroxide and met...