Shelf-stable one-part room temperature vulcanizing fluorosilicon

Details Shelf-stable one-part room temperature vulcanizing fluorosilicon Shelf-stable one-part room temperature vulcanizing fluorosilicon

1992-12-14

1994-10-11

Michl, Paul R.

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

Synthetic resins

From silicon reactant having at least one...

528 15, 528 18, 528901, 524431, 524492, 524588, 524731, 524790, C08G 7724, C08G 7706, C08K 322, C08K 334

Patent

active

053548337

ABSTRACT:
A method for continuously producing a room temperature vulcanizable composition is disclosed. A base mixture of a silanol stopped fluorosilicone polymer, a silica filler and iron oxide are processed in an extruder at an elevated temperature between about 50 and 200.degree. C. Thereafter, a tin based catalyst, an acetoxy cross-linking agent and an optional adhesion promoter are added to the extruder near the exit port. The resulting material has improved storage stability.

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patent: 4892907 (1990-01-01), Lampe et al.
patent: 5236997 (1993-08-01), Fujiki

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