Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-05-24
2000-02-01
Mullis, Jeffrey
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 83, 525 84, 525 96, 525100, C08L 2504
Patent
active
060204281
ABSTRACT:
A rubber-modified styrenic resin composition comprising (A) 100 wt. parts of a rubber-modified styrenic resin which contains 10 to 35 wt. % of soft component particles having an average particle size of 0.1 to 0.5 .mu.m, where said soft component particles have a single occlusion structure comprising a core part which consists of a single continuous phase of a styrenic resin and a shell part which comprises a rubber polymer and occludes said core part, and (B) 0.1 to 10 wt. parts of a polymer having a solubility parameter (SP) of 8.45 to 8.70 and having no aromatic vinyl compound unit therein. This composition has excellent plane impact strength and gloss properties as well as moldability and other physical properties, and satisfies properties required for exterior materials, wrapping materials and molded foam articles.
REFERENCES:
patent: 4476266 (1984-10-01), Maeda et al.
patent: 4739001 (1988-04-01), Okamoto et al.
patent: 5231142 (1993-07-01), Tsubokura et al.
patent: 5281665 (1994-01-01), Fukui et al.
Ishii Takahiro
Kihara Hayato
Yoshimi Shuji
Mullis Jeffrey
Sumitomo Chemical Company Limited
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