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Good wear resistance and alcohol resistance acrylic resin for aqueous plastic cement

An acrylic resin and wear-resistant technology, which is applied in the field of acrylic resin for water-based plastics. It can solve the problems of water resistance, alcohol resistance, poor adhesion, poor product leveling, and inability to achieve solvent-based paints, etc., and achieve strong hydrophobicity. , Excellent slipperiness and excellent wear resistance

Active Publication Date: 2016-02-24
王瑞莲
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Problems solved by technology

[0005] More importantly, at present, most domestic manufacturers of home appliances, toys, and electric vehicles use thermoplastic one-component paints based on acrylic nitro groups. After switching to water-based plastic paints, the products have poor leveling, water resistance, and alcohol resistance. And adhesion is poor, can not meet the requirements of solvent-based paint, greatly restricting the development of water-based plastic paint

Method used

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  • Good wear resistance and alcohol resistance acrylic resin for aqueous plastic cement

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Embodiment Construction

[0019] The present invention will be described in further detail below in conjunction with specific examples, and the implementation scope of the present invention is not limited thereto.

[0020] The acrylic resin for water-based plastics with good abrasion resistance and alcohol resistance in this embodiment is prepared according to the following method.

[0021] Step a, put 30-40 parts of solvent into the reaction kettle, and raise the temperature to 140-150°C.

[0022] Step b. Slowly add the following raw materials into the reactor in sequence according to the mass fraction: 30-50 parts of methyl methacrylate, 2-5 parts of trimethylolpropane triacrylate, 5-10 parts of styrene, 5 parts of unsaturated carboxylic acid -10 parts, 1-3 parts of epoxy organosiloxane monomer, 1-2.5 parts of initiator, the feeding time is 2-4 hours, and the reaction temperature is 140-150°C.

[0023] Step c, heat preservation in the reactor for 2 to 3 hours.

[0024] Step d. Add 0.1-0.5 parts of ...

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Abstract

The present invention relates to the technical field of resin coatings, and in particular relates to good wear resistance and alcohol resistance acrylic resin for aqueous plastic cement, by reaction of epoxy groups of epoxy organosiloxane and carboxyl groups of an acrylic resin molecular chain, organosiloxane chain segments are introduced into the aqueous acrylic resin system, the organosiloxane chain segments have strong hydrophobicity, wear resistance and solvent resistance, and can wind the acrylic resin main chain to form a film, and a hydrophobic layer is formed between air and the film, acrylic monomers with excellent alcohol resistance and solvent resistance and polyol monomers are copolymerized into the aqueous acrylic resin chain segments for synthesis of the excellent water resistance, stain resistance, weather resistance, smoothness and wear resistance acrylic resin for the aqueous plastic cement.

Description

technical field [0001] The invention relates to the technical field of resin coatings, in particular to an acrylic resin for water-based plastics with good abrasion resistance and alcohol resistance. Background technique [0002] With the continuous improvement of people's awareness of environmental protection and the increasingly stringent environmental protection regulations, water-based coatings will become the protagonist of the world coatings market in the 21st century and have great market prospects. Water-based acrylic is a new environmentally friendly product after the replacement of solvent-based metal paint. It is a water-based paint. Its research and development will open up an environmentally friendly road for the production of Chinese paint. Due to its low VOC content, water-based acrylic reduces VOC emissions during the coating process, which is beneficial to environmental protection. Water-based acrylic is non-toxic, odorless, pollution-free, flame-retardant, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/20C08F212/08C08F220/06C08F8/42
Inventor 于郭王瑞莲王继成何春全廖禄全许政
Owner 王瑞莲
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