Propylene polymer and copolymers grafted with vinylpolybutadiene

Details Propylene polymer and copolymers grafted with vinylpolybutadiene Propylene polymer and copolymers grafted with vinylpolybutadiene

1995-06-06

1996-11-12

Jagannathan, Vasu S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525208, 525221, 525232, 525240, 525286, 525298, 525301, 525914, C08F25502, C08L 2310

Patent

active

055741118

ABSTRACT:
Crystalline propylene (co)polymers modified by grafting with a vinylpolybutadiene having 1,2-structure content of at least 10%.
Said (co)polymers are reacted with a liquid vinylpolybutadiene in the presence of a non-peroxidic radical initiator at a temperature in the range 200.degree. to 350.degree. C., the liquid vinylpolybutadiene having a 1.2-structure content of at least 10% and being generally used in amounts within the range 0,5 to 20% by weight.

REFERENCES:
patent: 4111898 (1978-09-01), Inayoshi

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