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US 7,118,623 B2Granted
Diaryl yellow pigment preparations
AssigneeClariant GmbH
InventorsHeinz Bach, Ulrich Ott, Rainer Winter, Thomas Heber, Rolf Kaiser
Life of this patent
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Abstract
The invention relates to a diaryl yellow pigment preparation, including a) at least one diaryl yellow pigment b) at least one natural resin on the basis of rosin or modified rosin, c) at least one compound of formula (1), and d) an aluminum, zinc, manganese or iron compound in an amount of from 0.1 to 8% by weight (calculated as a metal cation), based on component b). The inventive preparations are suitable for a variety of applications, among them the production of printing inks, especially offset printing inks.
Claims15
A diaryl yellow pigment preparation comprising
- a) at least one diaryl yellow pigment,
- b) at least one natural resin based on rosin or modified rosin,
- c) at least one compound of the formula (1)
- in which the ring A is saturated, unsaturated or aromatic and the ring B is saturated or unsaturated;
- X is selected from the group consisting of CH2—CH2—, —CH2CH(CH3) —CH(CH3)CH2—, and a combination thereof;
- x1 and x2 are a number from 0 to 16, the sum of x1 and x2 being a number from 2 to 20;
- D1 and D2 are identical or different and are a saturated or olefinic C1–C4-hydrocarbon radical;
- A⊕ and A2⊕ are an ammonium ion of an amine of the formula
- H2N—(CR1R2 )y1—(NR3—(CR1R2)y2—)z—NR4R5
- in which R1 to R5 are identical or different and are hydrogen, methyl or ethyl,
- y1 and y2 are each a number from 1 to 4, and z is a number from zero to 10;
- and
- d) an aluminum, zinc, manganese or iron compound in an amount of from 0.1 to 8% by weight (calculated as metal cation), based on component b).
10 more elements
Dependencies are inferred from the claim text.