Process for making plastic resin-dyestuff concentrates for use i

Details Process for making plastic resin-dyestuff concentrates for use i Process for making plastic resin-dyestuff concentrates for use i

1978-06-08

1981-06-02

McCarthy, Helen M.

Coating processes

Solid particles or fibers applied

Uniting particles to form continuous coating with...

106308Q, 106308F, 106308M, 106272, 260 285A, 260 4221, 264117, 427222, 428407, B05D 300

Patent

active

042712114

ABSTRACT:
Thermoplastic base resin-dyestuff concentrates for use in the dyeing of thermoplastic base resins are made by forming an intimate mixture of a pulverulent or granular thermoplastic base resin with a dye and a wax at a temperature of about 35.degree. to 160.degree. C., the wax being solid at room temperature and being liquefied at the mixing temperature. The thus-formed mixture is then subjected to cooling and may later be used in the manufacture of colored products.

REFERENCES:
patent: 2511901 (1950-06-01), Bunn
patent: 3723153 (1973-03-01), Nagata et al.
patent: 3813259 (1974-05-01), Neubert
patent: 4040997 (1977-08-01), Van Vonno et al.
patent: 4105464 (1978-08-01), Osswald et al.
patent: 4116909 (1978-09-01), Muller
patent: 4127421 (1978-11-01), Ferrill

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