Polymeric dyestuffs and their use in inks for ink jet printing p

Details Polymeric dyestuffs and their use in inks for ink jet printing p Polymeric dyestuffs and their use in inks for ink jet printing p

1994-11-29

1996-07-09

Einsmann, Margaret

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22K, 106 20D, 8647, C09D 1102, C09B 6910

Patent

active

055340520

ABSTRACT:
The new polymeric dyestuffs which are obtainable by reaction of
A) Polyamidoamines having an average molecular weight, determined as the weight-average, of 260 to 10,000, which in turn are obtainable by reaction of aliphatic polyamines (I) which contain at least two primary amino groups and at least one secondary amino group, if appropriate as a mixture with diamines (II), with dicarboxylic acids (.alpha.), with the proviso that the molar ratio of the sum of primary and secondary amino groups contained in (I) and if appropriate (II) to the carboxyl groups in (.alpha.)>1, and is preferably 1.05 to 3, with
B) a dyestuff which contains, per molecule, at least one group which is reactive towards primary and secondary amino groups,
the molar ratio of the sum of primary and secondary amino groups contained in A) to B) being 1 to 15, preferably 1 to 10,
are outstandingly suitable for dyeing and printing materials containing cellulose groups and amide groups and as recording liquids for ink jet recording systems.

REFERENCES:
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patent: 4664708 (1987-05-01), Allen
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patent: 5098475 (1992-03-01), Winnik et al.
patent: 5338532 (1994-08-01), Tomalia et al.
Derwent Abstract of JP 59-27973, Feb. 1984.
Tomalia, et al., Angew. Chem. Int. Ed., 1990 no month available, 29, 138.

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