Fusion of vinyl plastisol to heat-sensitive backing

Details Fusion of vinyl plastisol to heat-sensitive backing Fusion of vinyl plastisol to heat-sensitive backing

1974-02-28

1976-04-13

Lusignan, Michael R.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156280, 427378, 427389, 427390, D05C 1700, B29C 2700, C09J 500

Patent

active

039501981

ABSTRACT:
Vinyl plastisols are fused to heat-sensitive primary backings and facing yarns integral therewith and expanded thereon by the application of a heating medium in the form of high velocity steam or a high velocity gas. Although the temperature of the heating medium is above the softening point of the heat-sensitive primary backing, the velocity of the heating medium and the angle at which it is directed against the plastisol-coated, heat-sensitive primary backing results in fusion and expansion of the vinyl plastisol on the heat-sensitive primary backing without damage to the backing material or facing materials associated therewith.

REFERENCES:
patent: 3660320 (1972-05-01), Johnson et al.
patent: 3661691 (1972-05-01), Slosberg
patent: 3695987 (1972-10-01), Wisotzky et al.

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