High speed extrusion coating with ethylene copolymers

Details High speed extrusion coating with ethylene copolymers High speed extrusion coating with ethylene copolymers

1986-05-06

1988-08-30

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

427326, 427391, 427395, 428511, B29C 4778

Patent

active

047674857

ABSTRACT:
Extrusion coating with high line speeds of up to 600 mpm may be achieved without sacrificing the adhesion of the coating to the substrate by using an ethylene copolymer with up to 3% by weight copolymer, preferably 0.5 to 2.5% by weight VA, as the coating polymer. The extrusion temperature is in the region of incipient degradation, but maintained below the level which gives undesired degradation leading to odor or discoloration.

REFERENCES:
patent: 4339507 (1982-07-01), Kurtz et al.
patent: 4481262 (1984-11-01), Shida et al.
patent: 4505969 (1985-03-01), Weiner

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