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Water-boiled-type environment-friendly surface printing polyamide white ink and preparation method thereof

A surface printing technology of polyamide and white ink, which is applied in the field of plastic surface printing printing ink, can solve the problems of not being resistant to temperature and boiling, high friction coefficient, slow printing machine speed, etc., to achieve smooth surface, small friction coefficient, Excellent printability

Inactive Publication Date: 2020-02-07
CHENGDU PRESSTER NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the objectives of the present invention is to provide a boiled type environmentally friendly polyamide white ink for surface printing, to solve the above-mentioned benzene and ketone-containing ink, poor adhesion, slow printing machine speed, large friction coefficient, and inability to heat and water. The problem

Method used

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  • Water-boiled-type environment-friendly surface printing polyamide white ink and preparation method thereof
  • Water-boiled-type environment-friendly surface printing polyamide white ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A kind of polyamide white ink that is used for boiling type environment-friendly surface printing, is made up of the raw material of following weight part:

[0043]30 parts of polyamide resin solution, 20 parts of nitrocellulose resin solution, 3 parts of rosin modified maleic acid resin solution, 3 parts of polyketone resin solution, 4 parts of EVA resin solution, 25 parts of rutile titanium dioxide, 0.8 part of erucamide , 1.0 parts of fumed silica, 0.6 parts of anionic surfactant, 1.8 parts of crosslinking agent, 2 parts of absolute ethanol, 3.8 parts of ethyl acetate, 5 parts of butyl acetate;

[0044] The preparation method is:

[0045] (1) Polyamide resin liquid: take 40 parts by weight of polyamide, dissolve in 30 parts of absolute ethanol and 30 parts of ethyl acetate to emulsify and disperse in the mixed solvent that forms, and make the polyamide resin liquid that mass percent concentration is 40% ;

[0046] (2) Nitrocellulose resin liquid: take 35 parts by w...

Embodiment 2

[0052] A kind of polyamide white ink that is used for boiling type environment-friendly surface printing, is made up of the raw material of following percentage by weight:

[0053] 25 parts of polyamide resin solution, 25 parts of nitrocellulose resin solution, 3 parts of rosin modified maleic acid resin solution, 3.8 parts of polyketone resin solution, 4 parts of EVA resin solution, 25 parts of rutile titanium dioxide, 0.8 part of erucamide , 1.0 parts of fumed silica, 0.6 parts of anionic surfactant, 1.0 parts of crosslinking agent, 2 parts of ethanol, 3.8 parts of ethyl acetate, 5.0 parts of butyl acetate;

[0054] The preparation method of its resin liquid and product is identical with embodiment 1, and the product of gained is " product B ".

Embodiment 3

[0056] A kind of polyamide white ink that is used for boiling type environment-friendly surface printing, is made up of the raw material of following percentage by weight:

[0057] 25 parts of polyamide resin solution, 25 parts of nitrocellulose resin solution, 5 parts of rosin modified maleic acid resin solution, 4 parts of polyketone resin solution, 4 parts of EVA resin solution, 22 parts of rutile titanium dioxide, 1.0 parts of erucamide , 1.0 parts of fumed silica, 0.9 parts of anionic surfactant, 1.3 parts of crosslinking agent, 2 parts of ethanol, 3.8 parts of ethyl acetate, 5 parts of butyl acetate;

[0058] Its resin liquid and product preparation method are identical with embodiment 1, and the product of gained is " product C ".

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Abstract

The invention discloses a water-boiled-type environment-friendly surface printing polyamide white ink and a preparation method thereof, and belongs to the technical field of ink. The water-boiled-typeenvironment-friendly surface printing polyamide white ink is prepared from the following components in percentage by weight: 55-65% of combined resin liquid, 5%-15% of a combined solvent, 20%-30% ofpigments and 5%-10% of an additive, wherein the combined resin is prepared from polyamide resin, nitrocellulose, EVA resin, rosin modified maleic acid resin and polyketone resin, the combined solventis prepared from anhydrous ethanol, ethyl acetate and butyl acetate, and the additive is one or more of an anti-settling agent, an anti-blocking agent and a slipping agent, a dispersant and a temperature-resistant additive. The water-boiled-type environment-friendly surface printing polyamide white ink is safe and environmentally friendly; 180 DEG C / 0.5 second 4kg heat seal does not discolor nor migrate; the adhesion of the ink reaches more than 99% after the ink is boiled in boiling water above 95 DEG C; the surfaces of printed products are smooth and the friction coefficient is small (0.18-0.30); the ink plasticity is good, and printed matters do not curl; the ink is good in printability, the printing machine speed can reach more than 200 meters per minute, and the printed products do not stick and do not migrate; and the printed matters has no odor, bright colors, and high color saturation.

Description

technical field [0001] The invention relates to the technical field of printing inks for plastic surface printing, in particular to a boiled type environmental-friendly surface printing polyamide white ink and a preparation method thereof. Background technique [0002] As food hygiene and environmental protection are paid more and more attention to, food safety awareness has been raised to an unprecedented height, and "green food" and "green products" have become the goals that people must achieve in production. In order to reduce pollution and damage to the environment, especially to improve the food safety level, major printing companies require the use of green printing materials to produce packaging products. However, the current domestic R&D and production status of plastic printing inks is still not optimistic. Generally, benzene-soluble inks are still widely promoted and widely used, and environmentally friendly inks without benzene and ketones are still in an embarra...

Claims

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Application Information

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IPC IPC(8): C09D11/102C09D11/14C09D11/107C09D11/108C09D11/03C09D11/033
CPCC09D11/03C09D11/033C09D11/102C09D11/107C09D11/108C09D11/14
Inventor 史险峰何静曾玲俊
Owner CHENGDU PRESSTER NEW MATERIALS
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