Pigment preparations

Details Pigment preparations Pigment preparations

1979-01-15

1980-10-28

Griffin, Ronald W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

8 942, 260 42, 260 4221, 260 4252, 526325, C09B 6700, D06N 308, D06P 332

Patent

active

042308127

ABSTRACT:
Pigment preparations containing 2-70 % by weight, relative to the total preparation, of an inorganic or organic pigment dispersed in a solution of 10 to 49% by weight, relative to the total preparation, of a water-insoluble copolymer in an organic solvent, the copolymer containing 40-60% by weight of acrylic acid ethyl ester, 30-50% by weight of methacrylic acid methyl ester and 5-15 % by weight of acrylic acid hydroxyethyl and/or hydroxypropyl ester or methacrylic acid hydroxyethyl and/or hydroxypropyl ester and being prepared at 50.degree.-170.degree. C. in the presence of 0.5-5.0% by weight, relative to the sum of the monomers, of an organic per-compound or an azo compound which supplies free radicals at 50.degree.-170.degree. C., in an organic solvent, and their use for pigmenting dressing agents for leather and imitation leathers.

REFERENCES:
patent: 2828220 (1958-03-01), McWherter et al.
patent: 3425863 (1969-02-01), Honig et al.
patent: 3622532 (1971-11-01), Kolb
patent: 3642750 (1972-02-01), Wegemund et al.
patent: 3770490 (1973-11-01), Parker
patent: 3780003 (1973-12-01), Seymour et al.
patent: 3853822 (1974-12-01), Brod et al.
patent: 3963685 (1976-06-01), Abrahams
patent: 3970633 (1976-07-01), Miller et al.
patent: 4137389 (1979-01-01), Wingler et al.

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