Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1991-10-01
1993-04-13
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
C07F 708
Patent
active
052024539
ABSTRACT:
Fluorinated cyclic organic silicon compounds of the general formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, and R.sup.5 are independently selected from alkyl groups having 1 to 6 carbon atoms and n is an integer of from 1 to 6 are novel and susceptible to ring-opening polymerization to form chain siloxane polymers having improved properties. The cyclic compounds are produced by reacting disiloxane diols with fluorinated organic silicon compounds in the presence of amine catalysts.
REFERENCES:
patent: 3876677 (1975-04-01), Wu
patent: 4898958 (1990-02-01), Kishita et al.
patent: 4996344 (1991-02-01), Inomata et al.
Kishita Hirofumi
Takago Toshio
Takano Kouji
Yamaguchi Koichi
Shaver Paul F.
Shin-Etsu Chemical Co. , Ltd.
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