Method for producing carborane-siloxane polymers directly from c

Details Method for producing carborane-siloxane polymers directly from c Method for producing carborane-siloxane polymers directly from c

1979-05-04

1980-11-25

Marquis, Melvyn I.

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

Synthetic resins

From boron reactant having at least one boron to hydrogen or...

528 4, 528 27, 528 30, C08G 7704

Patent

active

042359872

ABSTRACT:
A method is disclosed for preparing carborane-siloxane polymers directly from carborane which comprises reacting and polymerizing a dilithio salt of a carborane with a bis-halo-ended siloxane. This novel method offers the advantage of eliminating the expensive and time-consuming preparation of certain monomer intermediates of carborane employed in the preparation of carborane-siloxane polymers.

REFERENCES:
patent: 3388092 (1968-06-01), Heying et al.
patent: 3397221 (1968-08-01), Papetti
patent: 3542730 (1970-11-01), Papetti et al.
patent: 3661847 (1972-05-01), Chapman
patent: 3733298 (1973-05-01), Knollmueller
patent: 4145504 (1979-03-01), Hedaya et al.

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