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Inkjet printing thickener and method for preparing same

A technology of inkjet printing and thickener, which is applied in the field of printing and dyeing, can solve the problems that the thickener cannot meet the requirements of inkjet printing, etc., and achieve the effect of deep coloring, no environmental problems, and clear patterns

Active Publication Date: 2011-08-17
苏州百氏高化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the technical problem that the existing thickener cannot meet the requirements of inkjet printing. The present invention provides a thickener for inkjet printing and its preparation method, which has high solid content and moderate viscosity , Strong anti-electrolyte ability, can be used in combination with padding process during inkjet printing pretreatment, applicable to pigment inkjet printing, reactive dye ink inkjet printing, acid dye ink inkjet printing pretreatment of cotton, silk and polyester fabrics craft

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Weigh 8g of acrylic acid into a four-neck flask, add dropwise 15g of weighed ammonia water (in a cold water bath, not exceeding 40°C) to pH 6.5-7, stop neutralization, add 0.016g of N,N'-methylene Bisacrylamide, stirred for 10min.

[0020] Take 0.4g span-80, 20g 5# white oil, 15g cyclohexane and mix well, add it into the water phase, stir at high speed, add 0.013g potassium persulfate and 0.007g sodium bisulfite aqueous solution, heat up to 50°C, Keep warm for 3 hours, cool down and discharge, add phase inversion agent XL-50, stir well, and get the finished product.

Embodiment 2

[0022] Weigh 10g of acrylic acid, 5g of methacrylic acid, and 7g of itaconic acid into a four-neck flask, add dropwise 22g of weighed ammonia water (in a cold water bath, not exceeding 40°C) to pH 6.5-7, stop neutralization, and add 0.06g N-methylolacrylamide, stirred for 15min.

[0023] Take 1.4g span-80, 1g tween-80, 50g 5# white oil, 35g cyclohexane, mix well, add to the water phase, stir at high speed, add 0.35g potassium persulfate and 0.1g sodium bisulfite aqueous solution, , heat up to 68°C, keep warm for 1 hour, cool down and discharge, add phase inversion agent XL-50, stir well, and get the finished product.

Embodiment 3

[0025] Weigh 15g of methacrylic acid and 10g of itaconic acid into a four-neck flask, add dropwise 22g of weighed ammonia water (in a cold water bath, not exceeding 40°C) to pH 6.5-7, stop neutralization, and add 0.01g of N -Methylolacrylamide, 0.015g of diallyl phthalate, stirred for 15min.

[0026] Take 1.5g span-80, 0.5g tween-80 and 50g 5# white oil, mix well, add to the water phase, stir at high speed, add 0.4g potassium persulfate and 0.2g sodium bisulfite aqueous solution, heat up to 80°C , keep warm for 4 hours, cool down and discharge, add phase inversion agent T-07, stir well, and get the finished product.

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PUM

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Abstract

The invention provides an inkjet printing thickener and a method for preparing the same. The method for preparing the inkjet printing thickener comprises the following steps: mixing aqueous ammonia with an acrylic monomer until the pH value of the mixture is 6.5-7, adding a cross-linking agent, stirring and mixing to prepare a water phase; mixing an emulsifier with an organic solvent to prepare an oil phase; adding and stirring the water phase to the oil phase, dropwise adding aqueous initiator solution, polymerizing for 1-4 hours at 50-80 DEG C, reducing temperature, discharging, adding a phase transfer agent, and stirring fully and uniformly to obtain the finished product. The inkjet printing thickener provided by the invention has high solid content, moderate viscosity and strong electrolyte resistance and can be used by adopting a padding process during pre-treatment for inkjet printing to ensure that the printed patterns have clear outlines, deep color and no infiltration.

Description

technical field [0001] The invention relates to the printing and dyeing industry, in particular to an inkjet printing thickener used in an inkjet printing process and a preparation method thereof. Background technique [0002] Inkjet printing technology is a brand-new printing method. It abandons the complex link of plate making in traditional printing, and directly sprays printing on fabrics, which improves the printing accuracy and realizes small-batch, multi-variety, multi-color printing. Traditional printing has problems such as large area and serious pollution. At the same time, inkjet printing has won the favor of more and more consumers with its flexible flower back size and realistic printing effect. [0003] In fact, there is only a very small amount of ink that can be sprayed on the fabric by jetting technology, and due to strict dye purity requirements and continuous jetting requirements for the conductivity of the ink, other printing auxiliaries used cannot be a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/06C08F222/02C08F2/24D06M15/263D06P5/30D06P3/60D06P3/04D06P3/52D06P1/44D06P1/38D06P1/39D06M101/06D06M101/10D06M101/32
Inventor 纪俊玲戴萍汪媛
Owner 苏州百氏高化工有限公司
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