Method of manufacturing a composite foamed polyolefin sheet

Details Method of manufacturing a composite foamed polyolefin sheet Method of manufacturing a composite foamed polyolefin sheet

1976-02-24

1978-06-27

Anderson, Philip

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156272, 156497, 264 22, 264 459, 264 54, 264DIG18, 428315, B29D 2700

Patent

active

040973190

ABSTRACT:
A method of manufacturing a foamed polyolefin sheet which comprises the steps of laminating a film of noncross-linked thermoplastic resin free from a cross-linking agent to at least one surface of a cross-linked polyolefin base sheet containing a thermally decomposable foaming agent or a polyolefin base sheet containing the above-mentioned foaming agent and a cross-linking agent, and carrying out the thermal foaming of said film-fitted sheet while placing it on a supporting member under atmospheric pressure with the film-laminated surface of the polyolefin sheet being in contact with said supporting member.

REFERENCES:
patent: 3141595 (1964-07-01), Edwards
patent: 3463687 (1969-08-01), Folsom et al.
patent: 3562043 (1971-02-01), Eddy
patent: 3608006 (1971-09-01), Hosoda et al.
patent: 3655470 (1972-04-01), Takeshima et al.
patent: 3692602 (1972-09-01), Okada et al.
patent: 3819796 (1974-06-01), Webster et al.
patent: 3959545 (1976-05-01), Siedenstrang
patent: 4020207 (1977-04-01), Alfter et al.
patent: 4049147 (1977-09-01), Stiles et al.

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