Patent · US Expired

Rubber-modified polystyrene resin composition

US4075285A · kind A · utility

14Cited by

6References

4Claims

0Family size

Assignee

SUMITOMO CHEMICAL COMPANY, LIMITED · JP

Inventors

Minoru Tabana
Shizuo Narisawa
Tatsuyuki Mitsuno
Hiroshi Maki · Shisui, JP

Key dates

Filing date	Mar 3, 1975
Grant date	Feb 21, 1978
Priority date	—
Expiry date	Mar 3, 1995

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L53/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A rubber-modified polystyrene resin composition consisting essentially of a rubber-modified polystyrene and a transparent, resinous styrene-butadiene block copolymer containing 65 to 95% by weight of styrene and 5 to 35% by weight of butadiene. This resin composition is excellent in impact strength, elongation, flexural stress clouding, hinging endurance, and surface gloss.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.