Copolymer of polypropylene and organopolysiloxane and method for

Details Copolymer of polypropylene and organopolysiloxane and method for Copolymer of polypropylene and organopolysiloxane and method for

1997-04-14

1998-04-28

Foelak, Morton

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525105, 525479, C08F28300, C08F 800

Patent

active

057445419

ABSTRACT:
There is disclosed a method for the preparation of a copolymer of polypropylene and organopolysiloxane, the method comprising heating a solution of an .alpha., .omega.-diene-propylene polymer and an organohydrido polysiloxane having on average at least two SiH groups in one molecule at a temperature below the boiling point of the solvent. Preferably, the .alpha., .omega.-diene-propylene polymer is obtained by subjecting polypropylene to thermal decomposition in an inert atmosphere at a pressure below atmospheric pressure.

REFERENCES:
patent: 4526953 (1985-07-01), Dallavia, Jr.
patent: 4977200 (1990-12-01), Itoh et al.

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