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Thermoplastic Resin Composition And Molded Article Formed Thereofrom

A technology of resin composition and plasticity, which is applied in the field of thermoplastic resin composition and its formed products, can solve the problems of reducing shear viscosity, restricting more, and improving the extensional viscosity of thermoplastic styrene resin, etc., to achieve shear Excellent shear viscosity and elongational viscosity

Active Publication Date: 2017-06-20
CHI MEI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although related studies have proposed the use of linear copolymers as processing aids to achieve this goal, it is still impossible to increase the extensional viscosity of thermoplastic styrenic resins while reducing its shear viscosity, which makes it more restrictive in processing and molding

Method used

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  • Thermoplastic Resin Composition And Molded Article Formed Thereofrom

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Embodiment Construction

[0020] Hereinafter, embodiments of the present invention will be described in detail. However, these embodiments are exemplary, and the present disclosure is not limited thereto.

[0021] In one embodiment of the present invention, the thermoplastic resin composition comprises a rubber-modified styrene resin and a branched copolymer, the weight average molecular weight of the branched copolymer is 1 million to 7 million, and the branched copolymer has a weight average molecular weight of 1 million to 7 million. The compound contains a tetrathiol compound unit, a styrene-based monomer unit, and an acrylonitrile-based monomer unit. Here, the compound unit refers to a structural unit formed by a copolymerization reaction of a tetrathiol compound, and the monomer unit refers to a structural unit formed by a copolymerization reaction of a styrene-based monomer or an acrylonitrile-based monomer. And based on 100 parts by weight of the rubber-modified styrene resin, the content of t...

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Abstract

The invention provides a thermoplastic resin composition and a molded article formed thereofrom. The thermoplastic resin composition comprises a rubber-modified styrene resin and a branched copolymer, and the weight-average molecular weight of the branched copolymer is 1-7 million. The branched copolymer comprises a tetramercaptan compund unit, a styrene monomeric unit and a acrylonitrile monomeric unit. The thermoplastic resin composition and the formed molded articles can greatly improve vacuum forming performance and maintain good keep plate characteristics.

Description

technical field [0001] The present invention relates to a resin composition, in particular to a thermoplastic resin composition and a formed product thereof. Background technique [0002] Thermoplastic styrene resins have good evaluations in terms of processability, physical properties and mechanical properties, and the good appearance and gloss of the obtained molded products are a major feature. In addition to being widely used in electronic , electrical appliances and auto parts, especially suitable for the processing and forming of refrigerator plates. [0003] In general, thermoplastic styrene resins can be processed by molding methods such as injection molding, extrusion molding, or blow molding. For specific processing and forming, such as thermoforming or vacuum forming, it is necessary to extrude the thermoplastic styrene resin into a sheet before forming the desired molded product; in order to be able to use the above molding method to Thermoplastic styrenic resi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L25/12C08L51/04C08L51/06C08L87/00C08G83/00
CPCC08G83/003C08L25/12C08L2205/035C08L51/04C08L51/06C08L87/00C08J5/00C08L25/06
Inventor 李至程苏文义
Owner CHI MEI CORP
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