Process for the production of carbon black containing pigment-synthetic resin concentrates
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United States of America Patent
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Apr 12, 1983
Issued Date -
N/A
app pub date -
Dec 30, 1977
filing date -
Jan 9, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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