Method of using mixed aliphatic/aromatic polycarbodiimides

Details Method of using mixed aliphatic/aromatic polycarbodiimides Method of using mixed aliphatic/aromatic polycarbodiimides

1984-11-29

1986-05-06

Bleutge, John C.

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

Synthetic resins

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

525907, C08F 830, C08L 7500

Patent

active

045873011

ABSTRACT:
Mixed aliphatic/aromatic polycarbodiimides can be prepared by first heating aliphatic mono- and diisocyanates with a phospholene oxide catalyst and then feeding the aromatic mono and/or diisocyanates in an inert solvent to the reaction mixture. These polycarbodiimides find use in a method for cross-linking carboxylated latexes.

REFERENCES:
patent: 3639353 (1972-02-01), Brown
patent: 4169866 (1979-10-01), Bonin et al.

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