Process for producing parabanic acid ring-containing polymer

Details Process for producing parabanic acid ring-containing polymer Process for producing parabanic acid ring-containing polymer

1989-02-17

1990-07-03

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528363, C08G 1802, C08K 318, C08K 509

Patent

active

049392107

ABSTRACT:
A process for producing a parabanic acid ring-containing polymer, which comprises reacting a polycarbodiimide polymer with oxalyl chloride and then treating the reaction product with water.

REFERENCES:
patent: 3933758 (1976-01-01), Patton
patent: 3941749 (1976-03-01), Frost
patent: 4028311 (1977-06-01), Patton
patent: 4051198 (1977-09-01), Patzschke
patent: 4096130 (1978-06-01), Kraft et al.
Chemische Berichte, vol. 103 (1970), pp. 766-776; G. Zinner et al., "Addition bifunktioneller Carbonsaurechloride an Carbodiimide und einige Folgereaktionen".

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