Agent of chroma and brightness for pigments

Details Agent of chroma and brightness for pigments Agent of chroma and brightness for pigments

1980-03-06

1982-04-27

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106308F, 106309, 260414, 260448R, C09C 310, C09F 104

Patent

active

043270174

ABSTRACT:
The present invention relates to the product from the reaction of a basic polyaluminum or aluminum salt with a resin acid or its salt; said resin acid being derived from a rosin or a modified rosin. This agent is especially effective for improving the chroma and brightness of pigments when such pigment is treated with the polyaluminum salt by e.g. mixing. In addition to this, the polyaluminum salt increases the lipophilic properties of the pigments, which improves their oil-dispersability and also the pigments treated with the polyaluminum salt are essentially free from bleeding.

REFERENCES:
patent: 2582833 (1952-01-01), Hunn
patent: 2768996 (1956-10-01), Bulloff
patent: 2772260 (1956-11-01), Yeager
patent: 2812266 (1957-11-01), Golding
patent: 2925430 (1960-02-01), Stedehouder et al.
patent: 3296242 (1967-01-01), Turner et al.
patent: 3373020 (1968-03-01), Tomanek

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