Embossed plastic surface covering and method of preparing same

Details Embossed plastic surface covering and method of preparing same Embossed plastic surface covering and method of preparing same

1974-11-26

1978-05-16

Powell, William A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

156 79, 156277, 264 52, 264 54, 427264, 427302, 427373, 427375, 428170, B29H 720, B32B 300

Patent

active

040900070

ABSTRACT:
A chemically embossed cellular vinyl chloride resin sheet material is prepared by treating the gelled surface of a vinyl chloride resin plastisol containing a blowing agent and a peroxide catalyst which induces polymerization of an acrylic monomer or resin with a liquid which contains an acrylic monomer or resin subject to polymerization, and subsequently heating the treated gelled vinyl chloride resin sheet material to polymerize the acrylic monomer or resin and to decompose the blowing agent, whereby full expansion of the sheet material is prevented by the polymerization in the treated areas, thereby producing a chemically embossed product.

REFERENCES:
patent: 3365353 (1968-01-01), Witman
patent: 3519527 (1970-07-01), Crowley
patent: 3804933 (1974-04-01), Allan et al.
patent: 3819438 (1974-06-01), Witman
patent: 3857915 (1974-12-01), Crowley

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