Method for manufacturing shaped parts by polymerization of lacta

Details Method for manufacturing shaped parts by polymerization of lacta Method for manufacturing shaped parts by polymerization of lacta

1998-07-27

1999-12-07

Cooney, Jr., John M.

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

Synthetic resins

From carboxylic acid or derivative thereof

264239, 528312, 528314, 528317, 528323, C08G 6908

Patent

active

059985712

ABSTRACT:
A method for manufacturing shaped parts by polymerization of lactams in a mold includes the steps of providing a melt consisting of at least one catalyst, at least one activator, and amino-terminated polyethers in a mold and providing as the catalyst a 17% by weight solution of sodium lactamate in an amount of 1.0 weight-% to 3.8 weight-%.

REFERENCES:
patent: 4611034 (1986-09-01), Meyer et al.

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