Reduction of monomer content and stabilization of...

Details Reduction of monomer content and stabilization of... Reduction of monomer content and stabilization of...

2005-12-13

2005-12-13

Solola, Taofiq (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C524S430000

Reexamination Certificate

active

06974874

ABSTRACT:
The invention relates to a process for reducing the monomeric aziridine content in a polyaziridine forming reaction mixture by adding to the polyaziridine forming reaction mixture an excess of a carbodiimide scavenger wherein the excess is based on the equivalent ratio of scavenger to monomeric aziridine, and to a product obtained by this process and to a coating composition containing the product obtained by the process.

REFERENCES:
patent: 2596299 (1952-05-01), Simpson
patent: 4025503 (1977-05-01), Miksovsky et al.
patent: 6667407 (2003-12-01), Venham et al.
U.S. Appl. No. 10/137,805, “A Process of Making Polyaziridines” (Mo-7185 MD-01-122-LS).
J. Org. Chem. 57(1), Jan. 3, 1992, pp. 157-162, Jin-ok Baeg and Howard Alper, “Regio-specific Palladium-Catalyzed Cycloaddition of Azridines and Carbodiimides”.

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