Method of preparing a cross-linked, polyethylene foam product by

Details Method of preparing a cross-linked, polyethylene foam product by Method of preparing a cross-linked, polyethylene foam product by

1993-06-18

1994-09-27

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 48, 264138, 264293, 264321, B29C 6722

Patent

active

053505441

ABSTRACT:
A method for the preparation of a cross-linked, rigid, polyethylene, foam sheet product, which method comprises heating at least one surface of a cross-linked, polyethylene, foam sheet material, to a temperature sufficient to cause a slight surface post-expansion of the foam sheet material, contacting the heated, post-expanded, foam surface with a cold metal element, to form a cross-linked, polyethylene, foam sheet product of the desired, accurate thickness, or having a desired three-dimensional design on the cross-linked, foam sheet material.

REFERENCES:
patent: 3207646 (1965-09-01), Hacklander
patent: 3812225 (1974-05-01), Hosoda et al.
patent: 3857915 (1974-12-01), Crowley
patent: 4091154 (1978-05-01), Hirai
patent: 4399086 (1983-08-01), Walter
patent: 4740258 (1988-04-01), Breitscheidel

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