Title:
THERMOPLASTIC RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2015/119040
Kind Code:
A1
Abstract:
A thermoplastic resin composition comprising a graft copolymer (I) which is produced by carrying out the graft polymerization of a monomer mixture (B) comprising an aromatic vinyl monomer and a vinyl cyanide monomer in the presence of an acrylic rubbery polymer (A) and a vinyl copolymer (II) which is produced by carrying out the copolymerization of an aromatic vinyl monomer with a vinyl cyanide monomer, wherein the ratio of the content of the former copolymer to that of the latter copolymer is (30 to 70 parts by weight):(70 to 30 parts by weight), the graft copolymer (I) has such a property that the ratio (i.e., (α)/(β)) of the gel swelling degree (α) of the acrylic rubbery polymer (A) in toluene to the grafting ratio (β) of the graft copolymer (I) is 0.4 to 2.0, and the thermoplastic resin composition has such a structure that particles of the graft copolymer (I) are aggregated in the thermoplastic resin composition. From the thermoplastic resin composition, a molded article having excellent fluidability, weather resistance and impact resistance can be produced.
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Inventors:
SHIMOZAWA TAKU (JP)
KOYAMA MASAFUMI (JP)
SHIROTANI KOSUKE (JP)
KOYAMA MASAFUMI (JP)
SHIROTANI KOSUKE (JP)
Application Number:
PCT/JP2015/052540
Publication Date:
August 13, 2015
Filing Date:
January 29, 2015
Export Citation:
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
C08L51/04; C08F265/06; C08L25/12
Domestic Patent References:
| WO2011108486A1 | 2011-09-09 |
Foreign References:
| JP2003020377A | 2003-01-24 | |||
| JP2013035887A | 2013-02-21 | |||
| JPH06299044A | 1994-10-25 | |||
| JPH08113690A | 1996-05-07 | |||
| JP2007191618A | 2007-08-02 |
Other References:
See also references of EP 3103838A4
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