Carbodiimides and processes therefor

Details Carbodiimides and processes therefor Carbodiimides and processes therefor

1992-04-29

1994-10-04

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

528 48, 528 51, C07C26700, C08G 1816

Patent

active

053524004

ABSTRACT:
Processes are provided for making polycarbodiimides with high carbodiimide contents from isocyanates, and for selectively making mixed aryl-tertiary carbodiimides from isocyanates. Also provided are carbodiimides containing alpha-methylstyryl groups, and polymers made therefrom. All of these polymers and compounds are useful in coatings, and for other applications.

REFERENCES:
patent: 4072712 (1978-02-01), Meisert et al.
patent: 4137386 (1978-05-01), Smith
patent: 4419294 (1982-03-01), Feldman et al.
patent: 5105010 (1992-04-01), Sundararaman et al.
J. J. Monagle, J. Org. Chem., vol. 27, 3851-3855 (1962).
K. Kondo, et al., Technol. Rep. Osaka Univ., vol. 25, 487-489 (1975).
H. Kamogawa, et al., Bul. Chem. Soc. Japan., vol. 52, 533-535 (1979).
Monagle, J. "Carbodiimides III, etc" J. Org Chem vol. 27, pp. 3851-3855 (1962).

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