Process for the production of carbon black containing pigment-sy

Details Process for the production of carbon black containing pigment-sy Process for the production of carbon black containing pigment-sy

1977-12-30

1983-04-12

Derrington, James H.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

106198, 106307, 523333, 523340, 523342, 524495, 524496, C08J 320

Patent

active

043798713

ABSTRACT:
There is disclosed a process for the production of a pigment-synthetic resin concentrate containing an organic solvent soluble polymer and carbon black having quicker distributability in organic media such as lacquer binding media, printing inks, etc., such concentrates being especially suitable for the production of molded parts, castings, films and/or synthetic fibers, the process comprising continuously homogenizing in a mixer powdery pigment and powdery synthetic resin jointly with an organic solvent in a given case also containing plasticizer, stabilizer and/or dispersing acid, dispersing the pigment in the mixture, removing the solvent from the dispersion, comminuting the resulting pigment-synthetic resin concentrated and grinding the product.

REFERENCES:
patent: 2379237 (1945-06-01), Jenkins
patent: 2786822 (1957-03-01), Vesce
patent: 2913432 (1959-11-01), Gulick
patent: 3085988 (1963-04-01), Hull et al.
patent: 3215663 (1965-11-01), Weisberg
patent: 3561003 (1971-02-01), Lonham
patent: 3637571 (1972-01-01), Polovina
Perry's Chemical Engineers Handbook, 4th Edition, 1963, McGraw-Hill, pp. 19-76 and 19-77.

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