Processes for preparing silicone surfactants containing cyclic s

Details Processes for preparing silicone surfactants containing cyclic s Processes for preparing silicone surfactants containing cyclic s

1989-05-23

1991-08-20

Bleutge, John C.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

525478, 528 29, 528 31, 528 32, 528 37, 556445, C08J 900, C08G 7744

Patent

active

050414682

ABSTRACT:
Novel siloxane-polyether polymers are provided containing cyclic siloxanes which are useful in silicone surfactants for foam polyurethane foam applications. The novel polymers are prepared by reacting a polyhydridosiloxane polymer with a cyclic polysiloxane containing a vinyl group and with an allyl started polyoxyalkylene polymer in the presence of a platinum catalyst. The resulting polymeric products are highly potent and impart flat breathability profiles to foams when used as surfactants in their preparation.

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