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Anti-curling ink and preparation method thereof

An anti-curling and ink technology, applied in the field of tobacco product printing, can solve problems such as poor anti-curling effect, achieve stable properties, improve film-forming flexibility, and weaken hydrogen bonding effects

Pending Publication Date: 2021-12-31
WUHAN HONGZHICAI PACKAGING PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The present invention also provides a preparation method of the water-based ink, which uses amine and ethoxylated nonylphenol as a wetting and dispersing agent to improve the water resistance of the ink so as to prevent curling, but its anti-curling effect is not good

Method used

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  • Anti-curling ink and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035]An anti-curl ink, comprising the following components in mass fraction: 10 parts of iron oxide red, 5 parts of ethanol aqueous solution, 0.5 part of chitosan Schiff base derivative, 0.2 part of acetylenic glycol defoamer, 1 part of cheese 2 parts stearyl alcohol polyoxyethylene ether, 0.3 parts vinylpyrrolidone-vinyl acetate copolymer, 1 part 4,4'-(ethylenediimino)bis[4-oxobutanoic acid] , the English name of the 4,4'-(ethylenediimino)bis[4-oxobutyric acid] is 4,4'-(ethylenediimino)bis[4-oxobutyric] acid, and the CAS number is 23873 -27-0, the CAS number of the vinylpyrrolidone-vinyl acetate copolymer is 25086-89-9;

[0036] Wherein, the preparation method of described chitosan Schiff base derivative comprises the steps:

[0037] L1. dissolving chitosan in acetic acid, adding acetone for precipitation, to obtain chitosan acetate;

[0038] L2. After the isopropanol solution of the chitosan acetate and NaOH is mixed, the isopropanol solution of chloroacetic acid is added...

Embodiment 2

[0041] An anti-curl ink, comprising the following components in mass fraction: 20 parts of iron oxide yellow, 10 parts of ethanol aqueous solution, 2 parts of chitosan Schiff base derivatives, 2 parts of silicone defoamer, 5 parts of casein, 5 parts of 1,2-pentanediol, 0.8 parts of vinylpyrrolidone-vinylcaprolactam copolymer, 3 parts of 4,4'-(ethylenediimino) bis[4-oxobutanoic acid], the The English name of 4,4'-(ethylenediimino)bis[4-oxobutyric acid] is 4,4'-(ethylenediimino)bis[4-oxobutyric] acid, and the CAS number is 23873-27- 0. The CAS number of the vinylpyrrolidone-vinylcaprolactam copolymer is 51987-20-3;

[0042] Wherein, the preparation method of described chitosan Schiff base derivative comprises the steps:

[0043] L1. dissolving chitosan in acetic acid, adding acetone for precipitation, to obtain chitosan acetate;

[0044] L2. After the isopropanol solution of the chitosan acetate and NaOH is mixed, the isopropanol solution of chloroacetic acid is added dropwise...

Embodiment 3

[0047] An anti-curl ink, comprising the following components in mass fraction: 15 parts of iron oxide black, 8 parts of ethanol aqueous solution, 1 part of chitosan Schiff base derivative, 1 part of silicone defoamer, 3 parts of casein, 3 parts stearyl alcohol polyoxyethylene ether, 0.3-0.8 parts vinylpyrrolidone-vinyl acetate copolymer, 2 parts 4,4'-(ethylenediimino)bis[4-oxobutanoic acid] , the English name of the 4,4'-(ethylenediimino)bis[4-oxobutyric acid] is 4,4'-(ethylenediimino)bis[4-oxobutyric] acid, and the CAS number is 23873 -27-0, the CAS number of the vinylpyrrolidone-vinyl acetate copolymer is 25086-89-9;

[0048] Wherein, the preparation method of described chitosan Schiff base derivative comprises the steps:

[0049] L1. dissolving chitosan in acetic acid, adding acetone for precipitation, to obtain chitosan acetate;

[0050] L2. After the isopropanol solution of the chitosan acetate and NaOH is mixed, the isopropanol solution of chloroacetic acid is added dr...

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Abstract

The invention discloses anti-curling ink and a preparation method thereof, and the anti-curling ink comprises the following components in parts by mass: 10-20 parts of a water-based pigment, 5-10 parts of an aqueous solution of ethanol, 0.5-2 parts of a thickening agent, 0.2-2 parts of a defoaming agent, 1-5 parts of a wetting dispersant, 2-5 parts of a humectant, 0.3-0.8 part of a water repellent agent and 1-3 parts of 4, 4 '-(ethylidene diimino) bis [4-oxobutyric acid], and the prepared ink can be used for reducing the curling effect of the printed cigarette packaging paper.

Description

technical field [0001] The invention relates to the field of smoking product printing, in particular to an anti-curling ink and a preparation method thereof. [0002] technical background [0003] In cigarette pack printing production, paper curl can cause serious problems in post-press processing and use. If the printed sheet is curled, the positioning error of the subsequent cross-cutting, hot stamping, and die-cutting processing will increase, and the paper will not move smoothly, which will cause the machine to jam and stop, seriously affecting the efficiency and quality of the subsequent processing; the printed sheet is processed into a single finished product The curling after the cigarette package will bring difficulties to the paper feeding of the folder gluer and automatic packaging machine. [0004] Generally speaking, the standard moisture content of the paper just off the paper machine is 7% ± 2%, but the moisture content of the paper will change during the stora...

Claims

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Application Information

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IPC IPC(8): C09D11/03
CPCC09D11/03
Inventor 徐金豆方明亮聂亿兵贾金平孙鹏陈龙
Owner WUHAN HONGZHICAI PACKAGING PRINTING