Preparation of polydiorganosiloxane and sulfonated polyolefin bl

Details Preparation of polydiorganosiloxane and sulfonated polyolefin bl Preparation of polydiorganosiloxane and sulfonated polyolefin bl

1994-06-16

1996-01-30

Dean, Ralph H.

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

Synthetic resins

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

528 23, C08L 8304

Patent

active

054880874

ABSTRACT:
A method for forming blends of polydiorganosiloxanes and solid, sulfonated polyolefins and novel blends prepared by the method. In the present method the solid, sulfonated polyolefin is swollen with a diorganosiloxane oligomer whose rearrangement to high molecular weight polydiorganosiloxanes is catalyzed in situ by the sulfonic acid substituents of the polyolefin.

REFERENCES:
patent: 3694405 (1972-09-01), Litteral
patent: 4310679 (1982-01-01), Finke et al.
J. Am. Chem. Soc. 77:2998, Oct. 1955.
Koshima et al., Nippon Kagaku Zasshi, 77:1755-1759, Dec. 1956.

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