Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-08-31
1991-04-09
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525537, 523351, C08L 8102
Patent
active
050066056
ABSTRACT:
A biaxially-stretched film is made of a resin composition composed of 100 parts by weight of a substantially linear poly(arylene sulfide) having a melt viscosity of at least 1,000 poises and 2-25 parts by weight of a styrene-based resin. The film is produced by diluting a master batch, which has been prepared in advance and is composed of the poly(arylene sulfide) and styrene-based resin, with an additional supply of the poly(arylene sulfide) so as to prepare a resin composition containing the polystyrene-based resin in an amount of 2-25 parts by weight per 100 parts by weight of the poly(arylene sulfide), and then biaxially stretching the thus-prepared resin composition.
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Mizuno Toshiya
Saito Takeshi
Teramoto Yoshikichi
Wakabayashi Juichi
Bleutge John C.
Kureha Kagaku Kogyo K.K.
Woodward David W.
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