Method of treating fibers and fabrics
AssigneePat-Chem, Inc.
InventorJames E. Cashion, Jr.
Life of this patent
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Abstract
A method of improving the dimensional stability, crease resistance and surface appearance of fibers, fabrics and textile products of cotton, polyester-cotton blends, polyesters and polyester-synthetic blends comprises applying to the fiber, fabric or textile product, to a level of 2-4% by weight of added solids, a resin obtained in a two-step process from phthalic or isophthalic acid, trimethylolpropane and trimellitic anhydride and an alkanoic acid of 10-20 carbon atoms or a polyether glycol of molecular weight 500-700 and neopentyl glycol.
Claims13
A method of improving the dimensional stability, crease resistance and surface appearance of fibers, fabrics and textile products of cotton, polyester-cotton blends, polyesters and polyester-synthetic blends, comprising applying to the fiber, fabric or textile product, to a level of 2-4% by weight of added solids, a resin obtained from reaction between (a) 30-35% by weight of phthalic or isophthalic acid, 50-55% by weight of polyether glycol of molecular weight 500-700, 8-12% by weight of neopentyl glycol and 2-5% by weight of trimethylolpropane heated at 120-130 degrees C to produce an intermediate having an acid number of 1-17 and from a further reaction of the thus-produced intermediate with (b) 3-6% by weight of trimellitic anhydride at 160-190 degrees C to produce the resin having an acid number of 1-50.
A method of improving the dimensional stability, crease resistance and surface appearance of fibers, fabrics and textile products of cotton, polyester-cotton blends, polyesters and polyester-synthetic blends, comprising applying to the fiber, fabric of textile product to a level of 2-4% by weight of added solids a resin obtained from reaction between (a) 1.4-1.8 moles of phthalic or isophthalic acid, 1.0-1.25 moles of at least one alkanoic acid of 10-20 carbon atoms and 2.0-2.4 moles of trimethylolpropane heated at 120-130 degrees C, to produce an acid number of 1-17 and from a further reaction of the thus-produced intermediate with (b) 0.4-0.5 moles of trimellitic anhydride at 160-190 degrees C to produce a resin having an acid number of 40-70.
Dependencies are inferred from the claim text.