Process for the preparation of polymeric tertiary aralkyl isocya

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

1984-05-17

1990-01-02

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

C07K 7100

Patent

active

048914410

ABSTRACT:
A process for forming useful oligomers and higher homopolymers of 1,3- or 1,4-bis(1-chloro-1-methylethyl)benzene is disclosed which comprises polymerizing a 1,3- or 1,4-bis(1-chloro-1-methylethyl)benzene and an alkali metal or an alkaline earth metal cyanate in a solvent for the organic reactant and the substantial absence of a catalyst at temperatures of between about 15.degree. C. and about 60.degree. C. until formation of the oligomers and homopolymers 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.

REFERENCES:
patent: 3920644 (1975-11-01), Handa et al.
patent: 3948966 (1976-04-01), Inamoto et al.
patent: 4361518 (1982-11-01), Singh et al.

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