Reducing syndiotacticity of colstyrene copolymer with base and e

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

528392, 528488, 528492, 528495, C08G 6702

Patent

active

051225794

ABSTRACT:
Certain linear alternating polymers of carbon monoxide and styrene are characterized by a high degree of syndiotactic character. This degree of syndiotactic character is reduced together with an attendant increase in atactic character by contacting the syndiotactic polymer with organ base at an elevated temperature.

REFERENCES:
patent: 4788279 (1988-11-01), Drent
patent: 4965341 (1990-10-01), Van Doorn et al.
patent: 4994513 (1991-02-01), Syrier et al.
patent: 5019645 (1991-05-01), Wong et al.

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