Thermoplastic resin compsn. having excellent chemical resistance and easy vacuum formability

A technology of thermoplastic resin and chemical resistance, which can be used in home appliances, other home appliances, household components, etc., and can solve problems such as thick plates
CN1481420AInactive Publication Date: 2004-03-10LOTTE ADVANCED MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
LOTTE ADVANCED MATERIALS CO LTD
Publication Date
2004-03-10
Estimated Expiration
Not applicable ยท inactive patent
Patent Text Reader

Abstract

The resin composition according to the present invention comprises(A)a graft polymer prepared by grafting in emulsion polymerization 100 parts by weight of monomer mixture comprising 20-30% by weight of vinyl cyanide compound and 70-80% by weight of vinyl aromatic compound to 20-60 parts by weight of diene rubber,(B)a graft polymer prepared by grafting in emulsion polymerization 100 parts by weight of monomer mixture comprising 20-30%by weight of vinyl cyanide compound and 70-80% by weight of vinyl aromatic compound to 20-60 parts by weight of acrylic rubber,(C)a linear copolymer prepared by polymerizing 40-50% by weight of vinyl cyanide compound and 50-60% by weight of vinyl aromatic compound, and (D) a branched copolymer prepared by 30-35% by weight of vinyl cyanide compound and 65-70% by weight of vinyl aromatic compound.
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Description

field of invention

[0001] The present invention relates to a thermoplastic resin composition having good chemical resistance and easy vacuum forming. More particularly, the present invention relates to a thermoplastic resin composition capable of forming an inner box of a refrigerator, which has good physical properties, easy vacuum forming and excellent Freon resistance, especially excellent resistance to HCFC 141b. Background of the invention

[0002] The shell of the refrigerator is assembled from an inner box and an outer box, and the space between the two boxes is filled with rigid polyurethane foam. Usually the outer case is made of thin steel plate, and the inner case is made of resin plate obtained by vacuum forming method. Rigid polyurethane foam acts as a thermal insulator and is formed by injection molding of liquid polyurethane and blowing agent.

[0003] Vinyl-butadiene-styrene (hereinafter referred to as ABS) resins have been mainly used in inner boxes of ref...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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