Acrylic emulsion for waterborne multicolor paint and preparation technique thereof

A technology of water-based colorful paints and acrylic emulsions, applied in the direction of multi-color effect paints, coatings, etc., can solve problems such as increased cross-linking density, hindering the film-forming process, and cracking of paint films, so as to improve water resistance, stability, The effect of excellent product performance

Active Publication Date: 2016-11-09
HENGSHUI XINGUANG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Finally, due to the introduction of silane and other substances, the crosslinking density of the system will increase, which will affect and hinder the film forming process, causing the paint film to crack

Method used

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  • Acrylic emulsion for waterborne multicolor paint and preparation technique thereof
  • Acrylic emulsion for waterborne multicolor paint and preparation technique thereof
  • Acrylic emulsion for waterborne multicolor paint and preparation technique thereof

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with examples.

[0036] The preparation technology of the acrylic acid emulsion that water-based colorful paint of the present invention is used is as follows:

[0037] (1) Prefabricated nuclear layer emulsion: Add 150-250 parts of water, 3-5 parts of alkyl polyoxyethylene ether anionic emulsifier, 30-50 parts of styrene, n-butyl acrylic acid in the emulsion reactor I successively 100-250 parts of ester, 100-250 parts of isooctyl acrylate, 50-100 parts of methyl methacrylate, 5-10 parts of methacrylic acid. Stir well for 1 hour to obtain a stable pre-emulsion. Preferably, the water, alkyl polyoxyethylene ether anionic emulsifier, styrene, n-butyl acrylate, isooctyl acrylate, methyl methacrylate, and methacrylic acid added sequentially in the first emulsion reactor The numbers are: 200, 4, 40, 200, 200, 80, 8; or 180, 3, 35, 180, 180, 60, 6; or 220, 5, 45, 220, 220, 70, 9; or 160, 4, 48, 160, 180, ...

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Abstract

The invention discloses an acrylic emulsion for a waterborne multicolor paint and a preparation technique thereof and belongs to the technical field of research and development of architectural coating. The technical process comprises the steps of preparing a core layer emulsion, preparing a shell layer emulsion and an initiator, and then synthesizing the multicolor acrylic emulsion by utilizing the prepared core layer emulsion, shell layer emulsion and initiator. The redox initiator is applied to the technical synthetic process at low temperature; an alkyl polyoxyethylene ether anionic emulsifier containing an EO chain section is taken as the surface active agent; the structure of design emulsion is arranged as a core shell structure; the water tolerance of the waterborne multicolor paint prepared by the invention is greatly increased; the storage stability is excellent; the viscosity of the paint in the storage process is not thick and the performance is excellent.

Description

technical field [0001] The invention belongs to the technical field of research and development of architectural coatings, and relates to an architectural emulsion and a synthesis process thereof, in particular to an acrylic emulsion for water-based colorful coatings and a preparation process thereof. Background technique [0002] In recent years, as a new type of architectural coating, water-based multi-color coatings have become a popular choice in the field of building exterior wall decoration due to their simple construction process and high cost performance, the coating film can present a variety of color patterns after drying, and its appearance is realistic and close to granite marble. Popular products, favored by paint manufacturers and consumers. The continuous phase film-forming emulsion obtained by conventional emulsion polymerization plays a vital role in the final performance of multi-color coatings, such as water resistance, stability, transparency and thick co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/06C08F220/18C08F212/08C08F220/14C08F220/06C08F4/40C08F2/24C09D151/00C09D5/29
CPCC09D151/003C08F2/24C08F4/40C08F265/06C09D5/29C08F220/1808C08F220/1804
Inventor 郝丽娟王俊丽王灿焦健高昊王亚际田海水
Owner HENGSHUI XINGUANG CHEM
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