Acrylic primer base stock and acrylic primer as well as preparation method and application of acrylic primer

A technology of acrylic acid and methacrylic acid ester, applied in the field of paint making, can solve the problems of containing halogen and not meeting the requirements of boiling performance, and achieve the effect of excellent boiling resistance.

Active Publication Date: 2013-08-21
深圳市美丽华科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an acrylic primer base material and acrylic primer and its preparation method and application for the above-mentioned defects of the prior art, aiming to solve the problem that the primer of the existing and supporting ultraviolet radiation curing topcoat contains halogen 、 Problems that do not meet the requirements of boiling performance

Method used

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preparation example Construction

[0053] The present invention also provides the preparation technology of described acrylic primer:

[0054] A. Add the required materials according to the above-mentioned acrylic primer base material formula, and stir at a speed of 400-600 revolutions per minute for 15 minutes to obtain an acrylic primer base material;

[0055] B. According to the color required by the acrylic primer, add a color paste that does not contain halogen and benzene solvents at a weight ratio of not more than 25% or add a weight ratio that does not contain halogen and benzene solvents in the acrylic primer base while stirring. Aluminum paste and / or pearlescent powder not higher than 8%;

[0056] C. After the completion of feeding and color matching, the stirring was continued for 30 minutes to complete the primer produced by the base material formula of the present invention.

[0057] The main application process of the acrylic primer product produced with the acrylic primer base material formul...

Embodiment 1

[0074] The composition of the acrylic primer base is:

[0075] Specially modified methacrylate 85.0%;

[0076] Cellulose acetate butyrate liquid 10.0%.

[0077] Butanone 1.0%;

[0078] Butyl acetate 3.0%;

[0079] Ethyl acetate 1.0%.

[0080] The preparation method of described acrylic primer is as follows:

[0081] Use the above-mentioned base material formula to make the base material of the primer, and stir it at a speed of 600 rpm for 15 minutes; add halogen-free and benzene-based paint that accounts for 25% of the primer weight while stirring according to the color required by the paint user. Solvent colorants. After the completion of feeding and color matching, the stirring was continued for 30 minutes to complete the primer produced with the base material formula of the present invention.

Embodiment 2

[0083] The composition of the acrylic primer base is:

[0084] Specially modified methacrylate 75.0%;

[0085] Cellulose acetate butyrate liquid 10.0%.

[0086] Butanone 5.0%;

[0087] Butyl acetate 5 .0%;

[0088] Ethyl acetate 5.0%.

[0089] The preparation method of described acrylic primer is as follows:

[0090] Use the above-mentioned base material formula to make the base material of the primer, and stir it at a speed of 400 rpm for 15 minutes; add halogen-free and benzene-based paint that accounts for 10% of the primer weight while stirring according to the color required by the paint user. Solvent colorants. After the completion of feeding and color matching, the stirring was continued for 30 minutes to complete the primer produced with the base material formula of the present invention.

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Abstract

The invention discloses acrylic primer base stock and acrylic primer as well as a preparation method and application of the acrylic primer. The acrylic primer base stock comprises the following components in percentage by weight: 75.0%-85.0% of special modified methacrylate, and 3.0%-10.0% of cellulose acetate butyrate liquor. The primer base stock is mainly used for a plastic enclosure and buttons of a mobile phone. The acrylic primer base stock satisfies the halogen-free paint requirements in the mobile phone industry. The acrylic primer produced by the acrylic primer base stock disclosed by the invention is matched with spraying ultraviolet-light radiation finish for use, and sprayed on polycarbonate plastic, so that the dried and cured coating has excellent boiling resistance.

Description

technical field [0001] The invention relates to the field of paint making, in particular to an acrylic primer base material, an acrylic primer and a preparation method and application thereof. Background technique [0002] With the improvement of human awareness of environmental protection, the requirements for coatings used on mobile phone casings and buttons are getting higher and higher. In addition to requiring no halogens and heavy metals, some companies now have high requirements for solvent systems in coatings. , requiring no benzene solvents. Due to the good solvency and price advantages of benzene solvents, most of the resins and additives used in the coating industry today contain benzene solvents. So far, no other companies have found primers that do not contain halogens and benzene solvents. After matching the UV-cured topcoat, it can pass the test of boiling at 100°C for 30 minutes. After the test, the coating film will not bubble, crack, or change color, and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/06C09D101/14C09D7/12
Inventor 鲁春风
Owner 深圳市美丽华科技股份有限公司
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