Polymer coating liquid based on different printing carriers

A polymer and coating liquid technology, applied in coatings, paper coatings, pigmented coatings, etc., can solve the problems of affecting the appearance, uneven color of the paper surface, uneven dispersion of dyes, etc., and achieve high self-cleaning effect, Uniform hydrophobic cleaning performance and uniform color effect

Inactive Publication Date: 2021-02-02
BOA SHEN PAPER & PLASTIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a kind of polymer coating solution based on different printing supports. The adhesive dye polymer in the coating solution itself contains binding properties and dyeing properties, without additional pigments, so that the prepared coating The color of the cloth liquid is uniform, and the color is dispersed evenly after being directly coated on the surface of the paper, which solves the problem that the existing coating liquid is directly mixed with the pigment through the binder through physical action, which makes the dye dispersion uneven, and then makes the color of the paper surface uneven. Uniformity, aesthetic problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The concrete preparation process of adhesive dye polymer is as follows:

[0019] Step 1: Weigh 10g of citric acid and add it to 50mL of water, stir to dissolve, then add 13g of thionyl chloride to it, raise the temperature to 60-70°C and reflux for 3-4h, then heat the obtained product solution to 90°C, and generate The steam that passes through massfraction is in the sodium hydroxide solution of 5%, obtains citric acid chloride;

[0020] Step 2: Add 10g of direct black dye to 120mL of water, stir to dissolve, then add 7.8g of citric acid chloride to it, heat up to 50-55°C, reflux and stir for 2-3h, then evaporate and concentrate, and reduce the obtained concentrate pressure distillation to obtain dye polyamide;

[0021] Step 3: Add 1g of n-butyl titanate and 6mL of absolute ethanol to the reaction vessel at the same time, stir and mix to form a solution, then weigh 2g of concentrated hydrochloric acid and add it to 6g of absolute ethanol, mix to form an acid solution, ...

Embodiment 2

[0024] The concrete preparation process of adhesive dye polymer is as follows:

[0025] Step 1: Weigh 10g of citric acid and add it to 50mL of water, stir to dissolve, then add 13g of thionyl chloride to it, raise the temperature to 60-70°C and reflux for 3-4h, then heat the obtained product solution to 90°C, and generate The steam that passes through massfraction is in the sodium hydroxide solution of 5%, obtains citric acid chloride;

[0026] Step 2: Add 10g of direct black dye to 120mL of water, stir to dissolve, then add 7.8g of citric acid chloride to it, heat up to 50-55°C, reflux and stir for 2-3h, then evaporate and concentrate, and reduce the obtained concentrate pressure distillation to obtain dye polyamide;

[0027] Step 3: Add 10g of the dye polyamide prepared in step 2 into 80mL of ethanol, stir to dissolve, then add 0.2g of nano-titanium dioxide to it, ultrasonically disperse for 30-40min at room temperature, and then evaporate to remove the solvent to obtain a ...

Embodiment 3

[0029] Add 10g of water-based polyurethane to 80mL of water and stir to dissolve, add direct black dye and nano-titanium dioxide to it at the same time, ultrasonically disperse at room temperature for 30-40min, and then evaporate to remove the solvent to obtain a binding dye polymer.

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PUM

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Abstract

The invention discloses a polymer coating liquid based on different printing carriers. The polymer coating liquid comprises the following components in parts by weight: 54-59 parts of a bonding dye polymer, 1-1.5 parts of a thickening agent, 1-2 parts of an antioxidant, 3-4 parts of a penetrating agent, 0.6-0.7 parts of sodium hydroxide and 100 parts of ethanol. The cohesive dye polymer in the prepared coating liquid has cohesive property and dyeing property, no additional pigment is needed, so that the prepared coating liquid is uniform in color, the color is uniformly dispersed after the surface of paper is directly coated with the coating liquid, and the problems that an existing coating solution is directly mixed with pigment through a binder under the physical action, dye is dispersedunevenly, the color of the surface of paper is uneven, and attractiveness is affected are solved.

Description

technical field [0001] The invention belongs to the field of printing coating liquid preparation, and relates to a polymer coating liquid based on different printing bearings. Background technique [0002] Coated paper is to coat a layer of coating liquid with auxiliary solvents such as pigments, adhesives, thickeners and lubricants on the surface of the base paper, and then smooth it after drying, but the binder directly contacts with the paper. The pigments are mixed through physical action, which makes the dyes dispersed unevenly, which in turn makes the color of the paper surface uneven, which affects the appearance, and because the coating liquid has low waterproof and anti-oxidation properties, the color of the paper surface changes under the action of ultraviolet rays for a long time , and cause the paper to become damp. Contents of the invention [0003] The object of the present invention is to provide a kind of polymer coating solution based on different printin...

Claims

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Application Information

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IPC IPC(8): D21H19/42D21H19/62D21H19/46D21H21/28D21H21/14
CPCD21H19/42D21H19/46D21H19/62D21H21/143D21H21/28
Inventor 陈成楷
Owner BOA SHEN PAPER & PLASTIC PROD
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