Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-12-03
1998-03-17
Zemel, Irina S.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 73, C08L 5104, C08L 3320, C08F27902
Patent
active
057287759
ABSTRACT:
A heat-resistant high-nitrile polymer composition obtained by the graft copolymerization of 100 parts by weight of a monomer mixture comprising 50 to 80% by weight of an unsaturated nitrile monomer, a maleimide monomer, an aromatic vinyl monomer, and a monomer copolymerizable with the foregoing monomers, in the presence of 1 to 40 parts by weight of a conjugated diene-based synthetic rubber containing not less than 50% by weight of a conjugated diene monomer unit, wherein the concentration of residual maleimide monomer in the polymer composition is not greater than 200 ppm by weight. This polymer composition is suitable for use as a molding material for extrusion molding, blow molding, injection molding and the like, and is useful in applications which require gas barrier properties, chemical resistance, non-adsorptive properties and the like, and which require use in automobiles, heat resistance sufficient for heat filling, and safety and hygienic properties.
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Asai Shinichi
Kaneko Masahiro
Kawata Mitsuo
Narisawa Hiroaki
Someda Makoto
Mitsui Toatsu Chemicals Inc.
Zemel Irina S.
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