Liquid pigment composition, and master-colored polyamide yarn ma

Details Liquid pigment composition, and master-colored polyamide yarn ma Liquid pigment composition, and master-colored polyamide yarn ma

1991-06-19

1993-03-16

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106400, 106401, 106493, 106311, 8512, 8516, 86371, 8924, 252351, 252356, 428395, D01F 104

Patent

active

051940906

ABSTRACT:
A liquid pigment composition for master-coloring polyamides is described, which is comprised of a pigment and a pigment dispersant composed of a polymeric material selected from liquid polyesters and a liquid polyether esters, each having a hydroxyl value of 30 to 120 mg.KOH/g. The amount of the pigment dispersant is usually 30 to 3,000 parts by weight per 100 parts by weight of the pigment. A master-colored polyamide yarn also is described which contains, based on the weight of the yarn, 0.01 to 2% by weight of a pigment ingredient and up to 6% by weight of the above-mentioned pigment dispersant.

REFERENCES:
patent: 4265632 (1981-05-01), Papenfuhs et al.
patent: 4450200 (1984-05-01), Iwato et al.
patent: 4450304 (1984-05-01), Diery et al.
patent: 4759801 (1988-07-01), Goldmann et al.
patent: 4767465 (1988-08-01), Nakamura et al.

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