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Pigment printing thickener and method for preparing same

A pigment printing and thickener technology, which is applied in dyeing, textiles and papermaking, etc., can solve the problems of high cost of natural thickeners, color depth, vividness, washing fastness and unsatisfactory fabric feel, etc. problems, to achieve the effect of bright color, clear outline and good compatibility

Active Publication Date: 2010-06-16
荆州市天翼精细化工开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, thickeners mainly include three categories: natural thickeners, emulsified thickeners, and synthetic thickeners. Among them, natural thickeners are expensive to use, and the depth of color, vividness, wash fastness and fabric feel are not satisfactory. Satisfied, now phased out

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] 1. Preparation of component 1: 250 kg of acrylic acid, 200 kg of acrylamide, 30 kg of methacrylic acid, 10 kg of N,N'-methylene acrylamide, 20 kg of sodium acetate, 5 kg of Put the aqueous solution of ammonium persulfate and 475 kg of sodium hydroxide into the pre-emulsification tank, adjust the pH value of the system to 8, and emulsify at high speed for 10 to 30 minutes;

[0039] 2. Preparation of component 2: 20 kg of ethyl acrylate, 150 kg of Span 80, 200 kg of Tween 60, 600 kg of 200 # Put solvent oil and 30 kg of laurate polyoxyethylene ether into the pre-emulsification kettle for high-speed shear emulsification for 10 to 30 minutes;

[0040] 3. Under the protection of argon, add component 1 and component 2 into a reaction kettle at the same time, stir for 10-30 minutes, pass in sulfur dioxide to initiate, heat up to 50-60°C, and keep at this temperature for 3-4 hour, then add 150 kg of nonylphenol polyoxyethylene ether NP-10, stir for 10 to 30 minutes, and make c...

Embodiment 2

[0043] 1. Preparation of component 1: 300 kg of acrylic acid, 150 kg of acrylamide, 30 kg of methacrylic acid, 10 kg of N,N'-methylene acrylamide, 20 kg of sodium acetate, 5 kg of Put the aqueous solution of ammonium persulfate and 475 kg of sodium hydroxide into the pre-emulsification tank, adjust the pH value of the system to 8, and emulsify at high speed for 10 to 30 minutes;

[0044] 2. Preparation of component 2: 20 kg of ethyl acrylate, 150 kg of Span 80, 200 kg of Tween 60, 600 kg of 200 # Put solvent oil and 30 kg of laurate polyoxyethylene ether into the pre-emulsification kettle for high-speed shear emulsification for 10 to 30 minutes;

[0045] 3. Under the protection of argon, add component 1 and component 2 into a reaction kettle at the same time, stir for 10-30 minutes, pass in sulfur dioxide to initiate, heat up to 50-60°C, and keep at this temperature for 3-4 hour, then add 160 kg of nonylphenol polyoxyethylene ether NP-10, stir for 10 to 30 minutes, and make c...

Embodiment 3

[0048] 1. Preparation of component 1: 350 kg of acrylic acid, 100 kg of acrylamide, 30 kg of methacrylic acid, 10 kg of N,N'-methylene acrylamide, 20 kg of sodium acetate, 5 kg of Put the aqueous solution of ammonium persulfate and 475 kg of sodium hydroxide into the pre-emulsification tank, adjust the pH value of the system to 8, and emulsify at high speed for 10 to 30 minutes;

[0049] 2. Preparation of component 2: 30 kg of ethyl acrylate, 150 kg of Span 80, 200 kg of Tween 60, 600 kg of 200 # Put solvent oil and 30 kg of laurate polyoxyethylene ether into the pre-emulsification kettle for high-speed shear emulsification for 10 to 30 minutes;

[0050] 3. Under the protection of argon, add component 1 and component 2 into a reaction kettle at the same time, stir for 10-30 minutes, pass in sulfur dioxide to initiate, heat up to 50-60°C, and keep at this temperature for 3-4 hour, then add 160 kg of nonylphenol polyoxyethylene ether NP-10, stir for 10 to 30 minutes, and make c...

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Abstract

The invention provides a pigment printing thickener and a method for preparing the same. The method comprises the following steps of: preparing a water phase containing monomers, a crosslinking agent and an initiator and an oil phase containing solvent oil and an activator; shearing-emulsifying the water phase and the oil phase at a high speed in an atmosphere of argon gas; initializing the solution by sulfur dioxide, heating the solution to the temperature of between 50 and 60 DEG C, keeping the solution warm, adding an emulsifier, stirring the mixed solution for 10 to 30 minutes, adding the mixed solution to the solvent oil containing sodium polyacrylate and the activator, and evenly stirring the mixed solution to obtain the finished product of the pigment printing thickener. The pigment printing thickener has the advantages of small dosage, strong thickening effect and good thixotropic property, has a simple preparation process and is suitable for mass industrialized production.

Description

technical field [0001] The invention relates to the field of chemical auxiliary agents, in particular to a pigment printing thickener and a preparation method thereof. Background technique [0002] Pigment printing refers to the printing method in which the pigment is mechanically fixed on the fabric by forming a resin film on the fabric with an adhesive. Pigment printing, no matter which printing method is used, its printing paste is composed of pigments, binders, thickeners and other additives. Adding a thickener to the printing paste can increase its viscosity, reduce its fluidity, and make it pseudoplastic. This property enables the binder to self-crosslink or crosslink to make the paint particles tightly bonded to each other, improving friction resistance and Wash fastness. Pigment printing thickener is an important component in printing paste, which directly affects the quality and cost of pigment printing. At present, thickeners mainly include three categories: nat...

Claims

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Application Information

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IPC IPC(8): D06P1/52C08F220/06
Inventor 徐春翼万安刘礼华郭秋萍郑晓宇黄先宁
Owner 荆州市天翼精细化工开发有限公司
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