Process for the preparation of polymeric tertiary aralkyl...

Details Process for the preparation of polymeric tertiary aralkyl... Process for the preparation of polymeric tertiary aralkyl...

C - Chemistry, Metallurgy

08

G

402/182, 260/455

C08G 73/00 (2006.01) C08G 18/76 (2006.01) C08G 61/02 (2006.01) C08G 61/04 (2006.01)

Patent

CA 1230605

PROCESS FOR THE PREPARATION OF POLYMERIC TERTIARY ARALKYL ISOCYANATES FROM 1,3- OR 1,4-BIS (l-CHLORO- l-METHYLETHYL) BENZENE ABSTRACT OF THE DISCLOSURE A process for forming useful oligomers and high- er homopolymers of 1,3- or 1,4- bis(l-chloro-l-methyl- ethyl)benzene is disclosed which comprises polymerizing a 1,3- or 1,4-bis(l-chloro-1-methylethyl) benzene and an alkali metal or an alkaline earth metal cyanate in a solvent for the organic reactant and the substantial ab- sence of a catalyst at temperatures of between about 15°C. and about 60°C. until formation of the oligomers and homo- polymers is substantially complete. The oligomers and homopolymers produced are related to poly-TMI type polymers and are useful together with active polyurethane coating and/or injection moldable compositions.

481546

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