Method for producing foamed body having chemical embossed patter

Details Method for producing foamed body having chemical embossed patter Method for producing foamed body having chemical embossed patter

1976-02-18

1978-04-04

Anderson, Philip

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

264 52, 264 54, 264DIG18, 264DIG82, B29D 2700

Patent

active

040828760

ABSTRACT:
Methods for producing bodies having chemically embossed patterns comprise: (1) adding sulphur and synthetic rubber material capable of forming sulphur bridges to a vinyl chloride resin preparation containing a foaming agent, forming the mixture into a sheet, printing embossed patterns on the sheet using an ink containing a vulcanization accelerator, drying the printed sheet and then heating the sheet to decompose the foaming agent thereby foaming the sheet; and (2) adding synthetic rubber material containing terminal groups capable of reacting with isocyanates to a vinyl chloride resin preparation containing a foaming agent, forming the mixture into a sheet, printing embossed patterns on the sheet using an ink containing isocyanates, drying the printed sheet and then heating the sheet to decompose the foaming agent thereby foaming the sheet.

REFERENCES:
patent: 3365353 (1968-01-01), Witman
patent: 3453171 (1969-07-01), Crowley
patent: 3519527 (1970-07-01), Crowley
patent: 3538204 (1970-11-01), Grubb et al.
patent: 3800013 (1974-03-01), Allan
patent: 3804933 (1974-04-01), Allan et al.
patent: 3819438 (1974-06-01), Witman
patent: 3823214 (1974-07-01), Allan et al.
patent: 3857915 (1974-12-01), Crowley
Perry, Robert H., Chief Editor, and Cecil H. Chilton, Consultant, "Chemical Engineer's Handbook", Fifth Edition, New York, McGraw-Hill, .COPYRGT. 1973, pp. 19-17.

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