Method of chain extending organosiloxanes

Details Method of chain extending organosiloxanes Method of chain extending organosiloxanes

1975-12-29

1978-01-31

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 465E, 260 465UA, 2604482Q, C08G 7704

Patent

active

040714985

ABSTRACT:
Mixing methylvinyldi-(epsilon-caprolactamo)silane with an organosiloxane having silicon-bonded hydroxyl radicals increases the molecular weight by chain extension. This method is particularly useful in making high molecular weight polydiorganosiloxanes containing vinyl radicals from hydroxyl endblocked polydiorganosiloxane fluids.

REFERENCES:
patent: 3364160 (1968-01-01), Golitz et al.
patent: 3378520 (1968-04-01), Sattlegger et al.
patent: 3417047 (1968-12-01), Golitz et al.
patent: 3766127 (1973-10-01), Clark et al.
patent: 3766128 (1973-10-01), Brady et al.
patent: 3766934 (1973-12-01), Toporcer

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