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Processing technology of transparent ABS resin

A technology of ABS resin and processing technology, applied in the field of processing technology of transparent ABS resin, can solve the problems of large amount of three wastes, long process, complicated process, etc., and achieve the effect of low product odor, stable quality and short process.

Pending Publication Date: 2020-11-17
广西长科新材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Transparent ABS resin has the advantages of transparency, processability and mechanical properties, and is very popular in the market. However, at present, transparent ABS is produced by emulsion grafting-blending method, which has a long process, complicated process, and a large amount of three wastes. Poor quality stability and high residual monomer content, this patent provides a new processing method for transparent ABS resin based on the technical defects of the traditional emulsion grafting-blending method

Method used

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  • Processing technology of transparent ABS resin
  • Processing technology of transparent ABS resin

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Embodiment Construction

[0020] Such as figure 1 , figure 2 Shown, a kind of processing technique of transparent ABS resin comprises the steps:

[0021] S1. After the SBR rubber is pulverized, add the styrene in the styrene tank 1 into the rubber dissolving tank 2, stir and grind back through the grinding pump to make a rubber styrene solution with a content of 5-15%;

[0022] S2, rubber styrene solution, methyl methacrylate, initiator (diperoxy tert-butyl-cyclohexane), molecular weight regulator (n-dodecyl mercaptan) are continuously added to the first according to a certain ratio. In the reactor 8, control the temperature at 70-90°C and the stirring speed at 30-40rpm to carry out the grafting reaction;

[0023] Wherein, the rubber styrene solution is obtained by mixing and reacting SBR rubber particles in the rubber dissolving tank 2 with styrene, methyl methacrylate is supplied by the methyl methacrylate tank body 3, and the initiator is supplied by the initiator tank body 6, and the molecular w...

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Abstract

The invention relates to a processing technology of transparent ABS resin. The processing technology comprises the following steps: S1, crushing SBR, adding the crushed SBR and styrene into a rubber dissolving tank, carrying out stirring, and carrying out reflux grinding by using a grinding pump to prepare a rubber styrene solution with a content of 5-15%; S2, continuously adding the rubber styrene solution, methyl methacrylate, an initiator and a molecular weight regulator into a first reactor according to a certain ratio, controlling a temperature to be 70-90 DEG C and a stirring speed to be30-40 rpm, and carrying out a grafting reaction; and S3, conveying polymerization liquid discharged from the first reactor to a second reactor through a gear pump, continuing the reaction, and controlling the reaction temperature to be 90-110 DEG C and the stirring speed to be 30-40 rpm so as to realize phase inversion of the polymerization liquid in the second reactor, thereby forming grafted rubber particles with particle sizes of 150-200 nm. Compared with a traditional emulsion grafting-blending technology, the bulk polymerization technology has the advantages of short flow, less three wastes, small product smell, stable quality and the like.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a processing technology of transparent ABS resin. Background technique [0002] ABS resin refers to acrylonitrile-butadiene-styrene copolymer. ABS is the acronym for Acrylonitrile ButadieneStyrene. It is a thermoplastic polymer material with high strength, good toughness and easy processing. Used in the preparation of various parts such as instruments, electrical appliances, machinery, etc. ABS resin can be compounded with various resins to form blends, such as PC / ABS, ABS / PVC, PA / ABS, PBT / ABS, etc., resulting in new properties and new application fields. [0003] Transparent ABS resin has the advantages of transparency, processability and mechanical properties, and is very popular in the market. However, at present, transparent ABS is produced by emulsion grafting-blending method, which has a long process, complicated process, and a large amount of three wastes. Poor quality s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F279/02C08F212/10C08F220/14C08F220/44C08F2/00
CPCC08F279/02C08F2/00C08F212/10C08F220/14C08F220/44
Inventor 陶春风
Owner 广西长科新材料有限公司
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