Catalytic reaction of polyol with bis-acyl lactam

Details Catalytic reaction of polyol with bis-acyl lactam Catalytic reaction of polyol with bis-acyl lactam

1984-12-26

1987-02-17

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

525411, 525432, 525437, 525452, 525474, 528 26, 528 27, 528 73, 528288, 528289, 528292, 528312, 528317, 528318, 528320, 540487, 540525, 540526, 540529, C08G 6920

Patent

active

046440518

ABSTRACT:
The invention concerns a simple process for preparing an ester acyllactam and/or esteramide acyllactam by the catalytic condensation of imide and alcohol, characterized in that a polyol and an acyllactam compound are reacted in the liquid state in the presencce of a halide, carboxylate or acetylacetonate from beryllium, magnesium, calcium, strontium, barium, boron, aluminium, zinc or cadmium.
The invention is important for the preparation of compounds which may be used in the preparation of nylon block copolymers, more in particular in RIM-nylon systems (Reaction Injection Moulding), since when the compounds obtained according to the present invention are used in a RIM system, a very fast lactam polymerization takes place, and it therefore also relates to the preparation of nylon block copolymers.

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patent: 4595746 (1986-06-01), Gabbert et al.
patent: 4595747 (1986-06-01), Gabbert et al.
patent: 4596865 (1986-06-01), Gabbert et al.

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