N-substituted carbamoyl-lactam

Details N-substituted carbamoyl-lactam N-substituted carbamoyl-lactam

1985-05-21

1986-12-02

Bond, Robert T.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

546243, 548550, 528315, 540525, C07D22310, C07D20738, C07D21140

Patent

active

046263853

ABSTRACT:
An N-substituted carbamoyl-lactam compound of the formula ##STR1## wherein R is a di-valent radical derived from polytetramethylene glycol, R' is an at least divalent radical derived from a diisocyanate, Y is a C.sub.3 -C.sub.14 ring-forming alkylene group, and a has a value of at least 1 and is a number corresponding to the mean functionality of the aforesaid polyisocyanate minus 1. A process for preparing the N-substituted carbamoyl-lactam compound is also described.

REFERENCES:
patent: 3245961 (1966-04-01), Fetscher et al.
patent: 3511893 (1969-05-01), Scharffer et al.
patent: 4502821 (1983-07-01), Hodek et al.
Hedercik et al, "A New RIM System from Nylon 6 Block Co-polymers: Chemistry and Structure", AIChe Nat. Summer Meeting, Det., Mich., (8/81).
Allen et al., "Caprolactam Based Block Copolymers Using Polymeric Activators", Die Angewandte Makromolekulare Chemie, vol. 58/59, No. 844, pp. 321-343, (1977).

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