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Aqueous plastic printing ink for food indirect contact and preparation method thereof

A plastic ink, an indirect technology, used in inks, household appliances, applications, etc., can solve problems such as health damage and affect the smell of cigarettes, and achieve the effect of strong adhesion, considerable market potential, and strong chemical resistance.

Active Publication Date: 2006-06-21
XIAMEN JIHONG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional inks for tobacco, alcohol and food packaging are alcohol-soluble. Although there are strict requirements on solvent residues to ensure environmental protection, there are still problems such as harm to health and post-press solvent residues that affect the smell of cigarettes and food safety.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Take 34% water-based polymer resin, 18% pure acrylic emulsion, 9% non-toxic organic pigment Scarlet 198, 15% water, 10% ethanol, 4% butyl ether, 3% propylene glycol, 2% isophthalic acid according to the formula Propanol and 3% BY-1 silane coupling agent are weighed and put into the dispersion tank, fully stirred and dispersed evenly. Move the dispersed material to a sand mill and grind it for 3 to 4 times until the fineness is below 20 μm, otherwise continue grinding until the fineness meets the requirement. Filter the ground material and disperse evenly with 1% KH cross-linking agent and 1% compound additive. That is, the prepared food is in direct contact with water-based plastic gravure red ink, and its main technical indicators are shown in Table 1:

[0021] project

Embodiment 2

[0022] Embodiment 2: Take 35% water-based polymer resin, 18% pure acrylic emulsion, 9% non-toxic organic pigment phthalocyanine green and benzidine yellow, 15% water, 10% ethanol, 3.3% butyl ether, 2% Propylene glycol, 2% isopropanol, 3.5% BY-1 silane coupling agent, 1.2% KH crosslinking agent, 1% additives. According to the operation steps of Example 1, water-based plastic surface printing green ink can be prepared, and its main technical indicators are shown in Table 2:

[0023] project

Embodiment 3

[0024] Embodiment 3: Take 32% water-based polymer resin, 19% pure acrylic emulsion, 9.5% non-toxic organic pigment phthalocyanine blue BGS and titanium dioxide, 16% water, 10% ethanol, 3.5% butyl ether, 2% Propylene glycol, 2% isopropanol, 3.6% BY-1 silane coupling agent, 1.2% KH crosslinking agent, 1.2% additives. According to the operation steps of Example 1, the water-based plastic composite blue ink can be prepared, and its main technical indicators are shown in Table 3:

[0025] project

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Abstract

The invention relates foodstuff indirect contact aquosity plastic printing ink and preparing method, comprising the aquosity macromolecule resin, non-toxic organic pigment, auxiliary agent and water. The ink can be diluted by tap-water or ethyl alcohol, and printing apparatus can be cleaned by tap-water. It is not harmful for environment and human. The ink is high concentration, low viscosity and good printing adaptation, solving the problem of solvent remain and avoiding the damage of heath if using the alcohol-soluble plastic printing ink. The ink is widely used in the package printing of foodstuff, vegetable, wine and tobacco, and soft drinks. The printed matters are environmental protection products.

Description

technical field [0001] The invention relates to a water-based polymer resin used as a binder for ink, non-toxic organic pigments, water and additives to form water-based plastic ink in direct contact with food, and a preparation method of the ink. Background technique [0002] In our daily life, such as food, agricultural by-products, washing powder, instant noodles, biscuits, candies, tobacco and alcohol, medicines, cosmetics, children's toys, beverages, etc. are mostly packaged in plastic. In recent years, especially plastic woven bags have been constantly innovating. In the packaging of rice and vegetables, there are various colorful, novel and unique OPP color film packaging bags, aluminized film packaging bags, laser film packaging bags, and pearlescent film packaging bags with rich pictures and texts. Many kinds of plastic packaging bags are rushing to the market. Therefore, plastic packaging printing has become inseparable from people's lives, and improving plastic p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/02C09D11/107
Inventor 钱俊刘武辉马立胜
Owner XIAMEN JIHONG TECH CO LTD
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