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Pigment composition contg. modified block copolymer disperser

A technology of composition and polymer, applied in the direction of pigment slurry, organic dye, application, etc., can solve the problem of reducing the antioxidant performance of polymer

Inactive Publication Date: 2002-12-25
CIBA SPECIALTY CHEM HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The double bonds thus formed react with atmospheric oxygen, reducing the oxidation resistance of the polymer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0261] contains useful >NO-R Dispersions of Block Copolymers Prepared by Free Radical Polymerization of Initiators and coloring paint

[0262] 1.1 polymer preparation

[0263] 1.1.1 Preparation of poly(n-butyl acrylate)

[0264] 200g (1.56mol) n-butyl acrylate (Fluka purum 99%) and 9.07g (29.7mmol) initiator (prepared according to GB-A-2 335 190) was added to a 400ml reactor equipped with a mechanical stirrer. The air was removed from the flask by stirring and vacuum, and rinsed 3 times with nitrogen. The resulting clear solution was heated to 145°C in an oil bath. After allowing the polymerization to proceed for 4 hours, the reaction mixture was cooled to 60°C. The remaining monomers were removed by evacuating at high vacuum. 154 g (77%) of the initial monomer had reacted. A clear yellow viscous fluid was obtained.

[0265] GPC (THF / PS standard): Mn 5250 (calculated 5190), Mw 6500; polydispersity 1.2.

[0266] 1.1.2 Preparation of block copolymer of n-butyl a...

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PUM

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Abstract

The present invention relates to a composition containing a modified block copolymer dispersant and a dispersible inorganic or organic pigment. The block copolymer is modified with a salt-forming group. The pigment composition can be used for the preparation of coating compositions, prints, pictures, inks or lacquers and other dispersions.

Description

technical field [0001] The invention relates to a composition containing a modified block copolymer dispersant and dispersible inorganic or organic pigment particles, a preparation process of the composition, a modified block copolymer dispersant and a dispersible inorganic pigment Or a pigment dispersion of organic pigment particles, a preparation process of the pigment dispersion, and the use of the pigment dispersion for the preparation of paints, pictures, lacquers and the like. Background technique [0002] Dispersions containing pigments and polymeric additives are used in an almost unlimited number of different technical uses, e.g. as coating materials, for printing inks, for coloring plastic materials, including fibers, glass, or ceramic products, for cosmetic formulations, or Used in the preparation of paint systems, especially automotive paints, industrial paints and decorative paints. [0003] The function of polymers in pigment dispersions is multiple. They can...

Claims

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Application Information

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IPC IPC(8): C09D133/08C08F293/00C08F297/00C08K3/00C08K5/00C08L53/00C09B67/20C09B67/46C09D7/12C09D7/45C09D11/00C09D11/02C09D11/10C09D17/00C09D153/00C09D201/00
CPCC08F293/005C08F2438/02C08K5/0041C08L53/00C08L53/005C09B67/0063C09D11/037C09D11/101C09D11/326C09D17/00C09D153/00C09D153/005C09D7/45C08K3/013C08L2666/02C09D133/08
Inventor C·奥施拉E·埃克斯坦M·O·青克A·米勒巴赫
Owner CIBA SPECIALTY CHEM HLDG INC
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