Release composition

Details Release composition Release composition

1993-03-22

1994-12-20

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Molds and mold coating compositions

106 2, 106 3824, 264213, 264333, 264338, 427133, B28B 736, B28B 737

Patent

active

053743032

ABSTRACT:
A biodegradable oil and water emulsion release composition for facilitating the unmoulding of hydraulic bonding material comprises as the oil component an ester of a hindered polyhydric alcohol having no hydrogen atoms attached to any carbon atom in a beta-position to any hydroxyl group and a straight or branched chain, saturated or unsaturated C.sub.4 -C.sub.24 monocarboxylic acid. The ester may be partial and the partial ester may be alkoxylated. In a preferred embodiment also a straight or branched chain, saturated or unsaturated C.sub.8 -C.sub.24 monohydric alcohol is present. Also a method of unmoulding has been described.

REFERENCES:
patent: 3875069 (1975-04-01), Worschech et al.
patent: 4115621 (1978-09-01), Hawkins
patent: 4178260 (1979-12-01), Cook et al.
patent: 4444802 (1984-04-01), Winters et al.
patent: 4444803 (1984-04-01), Winters et al.
patent: 4609570 (1986-09-01), Couleau et al.

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