PROPYLENE POLYMER AND COPOLYMER GRAFTED WITH VINYL POLYBUTADIENE AND THEIR MANUFACTURE

Title:

PROPYLENE POLYMER AND COPOLYMER GRAFTED WITH VINYL POLYBUTADIENE AND THEIR MANUFACTURE

Document Type and Number:

Japanese Patent JPH0641251

Kind Code:

A

Abstract:

PURPOSE: To obtain a propylene polymer (copolymer) having improved fluidity characteristics in a fused condition and especially improved in impact strength characteristics.

CONSTITUTION: Propylene polymer or copolymer to which a stabilizer used for providing oxidation resistance and light resistance and/or heat resistance is added is processed with a vinyl polybutadiene containing 1, 2 bonding of at least 10% at 200-300°C in the presence of a non-peracid free radical initiator suitable to form free radicals for reactive dislocation.

Inventors:

KORURAADO BURITSUKUTA
FURANCHIESUKO MASHIIA
AMOODEIO DEI SOOMA
GABURIERI TOTSUREJIAANI
ANTONIO ATSUDEYUO

Application Number:

JP29999692A

Publication Date:

February 15, 1994

Filing Date:

November 10, 1992

Export Citation:

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Assignee:

SVILUPPO SETTORI IMPIEGO SRL

International Classes:

C08F255/02; C08F299/00; C08L23/10; C08L23/14; C08L9/00; C08L51/06; (IPC1-7): C08F255/02

Attorney, Agent or Firm:

Shintaro Nogawa

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