Adhesive bonding and miscellaneous chemical manufacture – Delaminating processes adapted for specified product – Delaminating in preparation for post processing recycling step
Patent
1981-09-21
1984-08-21
Bell, James J.
Adhesive bonding and miscellaneous chemical manufacture
Delaminating processes adapted for specified product
Delaminating in preparation for post processing recycling step
156654, 428196, 428224, 428229, 428245, 428260, B44C 122
Patent
active
044668600
ABSTRACT:
A method of chemically etching textile fabrics having a weave of cotton fibers and polyester or nylon fibers to produce etched patterns is disclosed. According to the method, areas of the textile fabric are treated with a chemical composition which is reactive with the cotton fibers but not with the polyester or nylon fibers. The treated textile fabric is then heated to dry the chemical composition on the fabric to prevent distribution of the chemical into untreated fabric areas. Heat and pressure is then applied to the fabric to cause the chemical composition to react with and dissolve or otherwise destroy the cotton fibers. After press-heating, the treated textile fabric is washed to remove the cotton and chemical composition from the fabric, leaving the polyester or nylon fibers intact to produce the desired etched pattern. An article of manufacture having a substrate and chemical composition disposed thereon can also be positioned on the fabric. Application of heat and pressure in a heat transfer machine causes the chemical composition to destroy the cotton fibers to produce the desired etched pattern.
REFERENCES:
patent: 1804529 (1931-05-01), Dreyfus
patent: 4352380 (1982-10-01), Owen et al.
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