Organopolysiloxane composition suited to automobile oil seals

Details Organopolysiloxane composition suited to automobile oil seals Organopolysiloxane composition suited to automobile oil seals

1996-10-28

1998-03-31

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

528 16, 528 17, 528 18, 528 19, 528 34, 528 38, C08G 7708

Patent

active

057339953

ABSTRACT:
A organopolysiloxane composition suited to automobile oil seals is provided, which includes (A) a diorganopolysiloxane having a viscosity at 25.degree. C. of 25 to 1,000,000 cSt blocked with a hydroxyl group at both ends of its molecular chain; (B) an iminoxysilane having the formula (1):
wherein R.sup.1 are an unsubstituted or substituted monovalent saturated hydrocarbon group, and n is 3 or 4; (C) an amino group-containing hydrolyzable silane having the formula (2):

REFERENCES:
patent: 4585849 (1986-04-01), Saykowski et al.
patent: 5086107 (1992-02-01), Arai et al.
patent: 5300611 (1994-04-01), Fujioka et al.

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