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Surface modified organic pigment, modification method, application and color master batch containing surface modified organic pigment

A surface modification and organic pigment technology, which is applied in the direction of adding pigments to organic dyes and spinning solutions, can solve the problems of uneven distribution of pigments, high filter pressure value, poor spinnability, etc.

Pending Publication Date: 2022-07-12
SUZHOU SUNMUN TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to solve the above-mentioned technical problems, the object of the present invention is to provide a surface-modified organic pigment and its modification method, application and color masterbatch containing it; Problems such as high filter pressure value, poor spinnability, and uneven distribution of pigments occur when the masterbatch is spun

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  • Surface modified organic pigment, modification method, application and color master batch containing surface modified organic pigment
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  • Surface modified organic pigment, modification method, application and color master batch containing surface modified organic pigment

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Embodiment Construction

[0029] The technical solutions in the present invention will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] The invention provides a method for surface modification of organic pigments, comprising the following steps:

[0031](1) adding the dispersant of styrene-maleic anhydride structure and the small molecule wetting agent into the water-based carrier, fully mixing under stirring, then adding organic pigments, and pre-dispersing to obtain a pigment pre-dispersion;

[0032] (2) the pigment pre-dispersion is obtained by processes such as sand mill grinding and filtration to obtain the pigment disper...

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Abstract

The invention discloses a surface-modified organic pigment, a modification method, application and a color master batch containing the surface-modified organic pigment. The organic pigment surface modification method specifically comprises the following steps: in a water-based carrier, fully mixing a dispersing agent with a styrene-maleic anhydride structure and a small molecule wetting agent, then adding an organic pigment, pre-dispersing and grinding to obtain a pigment dispersion, and carrying out spray drying on the pigment dispersion to obtain the surface modified organic pigment, wherein the dispersing agent with the styrene-maleic anhydride structure is obtained by grafting monohydroxy polyester on a styrene-maleic anhydride copolymer. The surface modified organic pigment can solve the problems of overhigh filter pressing value, poor spinnability and non-uniform pigment distribution when fiber color master batches prepared from common commercial pigments are used for spinning.

Description

technical field [0001] The invention belongs to the technical field of fine chemicals, and in particular relates to a surface-modified organic pigment and a surface-modification method thereof, as well as the application of the surface-modified organic pigment in the preparation of synthetic fiber color masterbatches and a surface-modified organic pigment containing the surface-modified organic pigment. Masterbatch. Background technique [0002] my country's printing and dyeing industry consumes an average of more than 80 tons of water per ton of textiles processed, of which 80-90% is wastewater. Printing and dyeing wastewater has the characteristics of large water volume, high content of organic pollutants, high alkalinity, and large changes in water quality, which is difficult to treat. One of the industrial wastewater. Compared with the traditional dyeing method, the fiber dope dyeing process has low energy consumption and basically does not have the problem of printing a...

Claims

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Application Information

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IPC IPC(8): C09B67/20D01F1/04
CPCC09B67/0032C09B67/006C09B67/009D01F1/04
Inventor 梅成国宋伟广冯淑芹梁栋
Owner SUZHOU SUNMUN TECH CO LTD
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