Liquid carbodiimide- and uretonimine-isocyanurate-containing pol

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521161, 521901, 521902, 521107, 252182, 528 67, 528 73, 521124, 521121, 521128, 521126, 521127, 521125, 521129, 521117, 260453A, 260453P, C08G 1814, C08G 1816, C08G 1879

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active

042847303

ABSTRACT:
The invention relates to carbodiimide- and/or uretonimine-isocyanurate-containing polyisocyanates, to the process for their preparation, and to microcellular foams prepared therefrom.
These compositions may be prepared in the presence of the appropriate catalyst by

REFERENCES:
patent: 3723363 (1973-03-01), Shaw
patent: 3728289 (1973-04-01), Reuter et al.
patent: 3970618 (1976-07-01), Jabs et al.
patent: 4014935 (1977-03-01), Ibbotson
patent: 4067820 (1978-01-01), Wagner et al.

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