Method for injection molding polyurethane using internal release

Details Method for injection molding polyurethane using internal release Method for injection molding polyurethane using internal release

1983-01-28

1984-05-29

Hoag, Willard E.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

252 498, 521117, 521169, 524145, 528 51, 528 75, 528168, B29C 500, B29F 100

Patent

active

044514255

ABSTRACT:
Hydroxylated lecithins are employed as mold release agents in the preparation of molded articles from polyurethane-forming compositions. Polyol compositions containing such mold release agents are also disclosed.

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