Carpet etching

Details Carpet etching Carpet etching

1979-06-13

1981-03-10

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

28160, 156655, 156668, 252 792, 252 794, B29C 1708

Patent

active

042552311

ABSTRACT:
Multi-level nylon pile fabrics having a selectively etched surface and a process of developing an etched effect that comprises selectively applying a chemical fiber etching agent to the surface of a level pile fabric, controlling the depth of penetration into said fabric and heating in the presence of steam to a temperature of 180.degree. F.-250.degree. F. to destroy part of the pile in the treated areas and thus to reduce the height of the pile in the treated areas creating the desired multi-level effect.

REFERENCES:
patent: 3849157 (1974-11-01), Palmer et al.
patent: 3849158 (1974-11-01), Palmer et al.
patent: 3849159 (1974-11-01), Palmer et al.
patent: 3856598 (1974-12-01), Gregorian et al.
patent: 3874958 (1975-04-01), Scholtis et al.
patent: 3961882 (1976-06-01), Uits et al.

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