Sterically hindered ditertiary butyl bridged di(cyclohexylamines

Details Sterically hindered ditertiary butyl bridged di(cyclohexylamines Sterically hindered ditertiary butyl bridged di(cyclohexylamines

1990-06-26

1991-11-19

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528407, 528 97, 528 99, 564451, 564452, 525504, C08G 5950

Patent

active

050667645

ABSTRACT:
This invention relates to ditertiary-butyl substituted bridged di(cyclohexylamines) where the tert-butyl substituent is alpha to the amine group and to polyepoxide formulations incorporating the di(cyclohexylamine). The formula of the diamine is: ##STR1## wherein R is tert-butyl. The di(tertiary butyl)methylene bridged cyclohexylamines have delayed reactivity when incorporated in epoxy resins and they also enhance physical properties in high resilience polyurethane foams.

REFERENCES:
patent: 3321438 (1967-05-01), Brooker et al.
patent: 3351610 (1967-11-01), Preininger et al.
patent: 3629181 (1971-12-01), Basel et al.
patent: 4026858 (1977-05-01), Androus et al.
patent: 4293687 (1981-10-01), Weissel et al.
patent: 4324867 (1982-04-01), Patton et al.
patent: 4554342 (1985-11-01), Corley
patent: 4946925 (1990-08-01), Strohmayer et al.

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