Process for the production of crosslinked siloxanes by dispropor

Details Process for the production of crosslinked siloxanes by dispropor Process for the production of crosslinked siloxanes by dispropor

1994-04-29

1995-10-10

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556450, 556455, 556456, 556462, 528 14, 528 19, 528 21, 523212, 523216, 524508, 428391, C07F 708

Patent

active

054572207

ABSTRACT:
The present invention relates to a new silicone cure system. More particularly, the present invention discloses that a siloxane system containing sufficiently high levels of T or Q species in addition to M, D and a limited amount of silanol species can be cured by linear phosphonitrilic chloride disproportionation catalyst.

REFERENCES:
patent: 3706775 (1972-12-01), Nitzsche et al.
patent: 4203903 (1980-05-01), Evans
patent: 4902813 (1990-02-01), Wegehaupt et al
patent: 5210129 (1993-05-01), Habimana et al.
patent: 5210131 (1993-05-01), Gilson et al.
patent: 5380902 (1995-01-01), Hager et al.

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