Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1977-04-18
1977-12-06
Michl, Paul R.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260879, 526328, C08L 5104
Patent
active
040616932
ABSTRACT:
An acrylonitrile resin composition capable of affording shaped articles having superior alcohol resistance, impact strength, transparency and gas-impermeability, said composition consisting essentially of (A) a resinous copolymer obtained by polymerizing a monomeric mixture consisting of (1) 60 to 90% by weight of acrylonitrile, (2) 1 to 35% by weight of at least one acrylic monomer selected from the group consisting of alkyl acrylates and alkyl methacrylates with the alkyl group containing 1 to 6 carbon atoms, and (3) 0.5 to 15% by weight of an alkyl methacrylate with the alkyl group containing 12 to 18 carbon atoms; and (B) a graft copolymer obtained by polymerizing (1) 40 to 80 parts by weight of a monomeric mixture consisting of (i) 30 to 90% by weight of acrylonitrile, (ii) 1 to 70% by weight of at least one acrylic monomer selected from the group consisting of alkyl acrylates and acryl methacrylates with the alkyl group containing 1 to 6 carbon atoms and (iii) 0 to 15% by weight of an alkyl methacrylate with the alkyl group containing 12 to 18 carbon atoms, in the presence of (2) 20 to 60 parts by weight of a diene-type rubbery polymer composed of at least 50% by weight of a conjugated diene unit and at most 50% by weight of an acrylonitrile unit, the total amount of the diene-type rubbery polymer (2) and the monomeric mixture (1) being 100 parts by weight; the ratio of the resinous copolymer (A) to the graft copolymer (B) being such that the content of the diene-type rubbery polymer used to prepare the graft copolymer (B) being 3 to 20% by weight based on the weight of the composition.
REFERENCES:
patent: 3676526 (1972-07-01), Sommerfeld
patent: 3846509 (1974-11-01), Saluti
patent: 3880951 (1975-04-01), Ooya
Michl Paul R.
Nippon Zeon Co. Ltd.
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