Method of forming graft copolymers by attaching pre-polymerized

Details Method of forming graft copolymers by attaching pre-polymerized Method of forming graft copolymers by attaching pre-polymerized

1978-07-25

1980-09-09

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525194, 525232, 525376, C08G 8102

Patent

active

042216818

ABSTRACT:
Graft copolymers having thermoplastic elastomeric properties are formed by intimately blending together at elevated temperature in the solid state in e.g. an internal mixer (a) an ethylenically unsaturated natural or synthetic rubber and (b) a pre-polymer of a vinyl aromatic monomer having an azodicarboxylate end group reactive towards unsaturated groups of the rubber.

REFERENCES:
patent: 3213159 (1965-10-01), Adomaitis
patent: 3475514 (1969-10-01), Nemphos et al.
patent: 3591658 (1971-07-01), Onishi et al.
patent: 3592878 (1971-07-01), Kromolicki
patent: 3629370 (1971-12-01), Ott et al.
patent: 3806557 (1974-04-01), Halasa
patent: 3890294 (1975-06-01), Sheppard
patent: 4107109 (1978-08-01), Kassal
patent: 4125573 (1978-11-01), Kruse

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