Titanium(IV)-chelates and their use in printing inks

Details Titanium(IV)-chelates and their use in printing inks Titanium(IV)-chelates and their use in printing inks

1988-10-03

1990-06-05

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 556 55, C09D 1100

Patent

active

049310941

ABSTRACT:
Novel alkoxy titanium(IV)-chelates are used to modify printing inks based on nitrocellulose or other cellulose ester derivatives. The novel chelates comprise citric acid alkyl esters as chelate formers. They delay, as other titanium chelates do, the well-known catalytic effect of the titanium component in cross-linking reactions. When used in printing inks, the novel titanium chelates and their alcoholic solutions have the advantage that they have an insignificant color of their own, so that they practically do not discolor the printing inks. A further advantage of the novel chelates resides in that they do not enter into alteration effects with antioxidants based on phenol, so that they can also be used for printing inks which are to be applied to polymeric substrates containing such antioxidants without the occurence of discoloration.

REFERENCES:
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patent: 3387994 (1968-06-01), Dunton
patent: 3682688 (1972-08-01), Hughes
patent: 4113757 (1978-09-01), Kay
patent: 4617408 (1986-10-01), Nestler
Chem. Abst. 79:43090c Pomogailo, 1973.
"Synthesis, characterization, and structural studies of gallium citrate complexes", Banta et al., CAN. J. Chem. vol. 63, 1985, pp. 2545-2549.

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