Process for the injection molding of non-precatalyzed polymeriza

Details Process for the injection molding of non-precatalyzed polymeriza Process for the injection molding of non-precatalyzed polymeriza

1993-12-15

1995-08-29

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

422131, B29B 776, B29C 6724

Patent

active

054457815

ABSTRACT:
An improved method for injection molding of non-precatalyzed resins in which the catalyst and resin flows are injected in a mixing chamber co-current with one another angled toward the ejectment end of the mixing chamber, The resin flow is injected closer to the ejectment end of the mixing chamber than is the catalyst flow.

REFERENCES:
patent: 2885268 (1959-05-01), Breer et al.
patent: 3102004 (1963-08-01), Grintz
patent: 4344919 (1982-08-01), Kelterbaum
patent: 4473531 (1984-09-01), Macosko et al.
patent: 4503014 (1985-03-01), Bauer
patent: 4707339 (1987-11-01), Johnson et al.
patent: 5093084 (1992-03-01), Boden et al.

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