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UV gravure white ink for food packaging BOPP film, and preparation method of UV gravure white ink

A food packaging and film technology, which is applied in the field of UV-curable inks, can solve the problems of low color vividness, potential safety hazards, and poor adhesion, and achieve good adhesion, good printability, and high adhesion

Pending Publication Date: 2020-09-08
河南功能高分子膜材料创新中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the mainstream printing of PP film is solvent-based gravure printing, which has some disadvantages: the adhesion of solvent-based gravure white ink on PP film is poor, the color is low, and the pre-printing treatment is more troublesome, especially for food packaging. Residue and migration problems will bring great security risks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The environment-friendly UV light-curable ink is prepared from the following proportioning raw materials, and each component is in parts by weight:

[0044] Polyether Polyol Aliphatic Urethane Acrylate: 10 parts, Polyester Acrylate: 10 parts, Dipropylene Glycol Diacrylate: 35 parts, Pentaerythritol Triacrylate: 4 parts, 819: 2 parts, 1173: 2 parts, Tego- Foamex N: 0.5 parts, DC-57: 1 part, Tego-655: 0.5 parts, talcum powder: 5 parts, light calcium carbonate: 5 parts, titanium dioxide: 25 parts.

[0045] (1) Add polyether polyol aliphatic urethane acrylate, dipropylene glycol diacrylate, polyester acrylate, pentaerythritol triacrylate, 819, and 1173 into tinplate tanks in sequence, and place them in a constant temperature water bath at 90-96°C with high-speed The disperser disperses and stirs, fully dissolves, and lasts for 0.5-1 hour;

[0046](2) Then add Tego-Foamex N, DC-57, and Tego-655, cool down to 70°C, and continue stirring for 0.5-1 hour;

[0047] (3) The reac...

Embodiment 2

[0049] Polyether Polyol Aliphatic Urethane Acrylate: 15 parts, Polyester Acrylate: 8 parts, Dipropylene Glycol Diacrylate: 30 parts, Pentaerythritol Triacrylate: 6 parts, 819: 1 part, 1173: 3 parts, Tego- Foamex N: 0.7 parts, DC-57: 1 part, Tego-655: 0.3 parts, talcum powder: 8 parts, light calcium carbonate: 3 parts, titanium dioxide: 24 parts.

[0050] The preparation method is the same as in Example 1.

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Abstract

The invention belongs to the field of ultraviolet curing ink, and relates to UV gravure white ink for a food packaging BOPP film, and a preparation method thereof. The UV gravure white ink is preparedfrom the following raw materials by weight: 8 to 15 parts of polyether polyol aliphatic polyurethane acrylate, 8 to 15 parts of polyester acrylate, 30 to 40 parts of dipropylene glycol diacrylate, 2to 6 parts of pentaerythritol triacrylate, 1 to 3 parts of 819, 1 to 3 parts of 1173, 0.3 to 0.8 part of Tego-Foamex N, 0.8 to 1.5 parts of DC-57, 0.3 to 0.8 part of Tego-655, 3-8 parts of talcum powder, 3-8 parts of light calcium carbonate, and 15-30 parts of titanium dioxide. The ink is applied to food packaging BOPP films, the printing speed can reach 200 m / min or above while the low cost is guaranteed, and the ink is good in adhesive force and resistant to abrasion and is environment-friendly UV photocuring ink.

Description

technical field [0001] The invention belongs to the field of ultraviolet curing inks, and relates to a UV gravure white ink for food packaging BOPP films and a preparation method thereof. Background technique [0002] At present, 90% of enterprises in my country's film and flexible packaging industry use gravure printing technology, and most of them use solvent-based inks. However, this type of ink has been "excluded" and restricted under the increasingly severe environmental protection situation. In some economically developed areas, it is even banned. Especially in the past two years, my country's central and local provincial and municipal environmental protection departments have introduced a series of policies and regulations to reduce VOCs. Flexible packaging companies have to install organic waste gas treatment equipment at the end of production. Terminal treatment technology has developed rapidly in recent years, but cannot Really solve the problem from the source, so ...

Claims

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Application Information

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IPC IPC(8): C09D11/101C09D11/107C09D11/03
CPCC09D11/101C09D11/107C09D11/03
Inventor 闫银凤郝自娟史海生黄晓谨王宏磊袁永浩杜俊鹏李勇敢杨武涛
Owner 河南功能高分子膜材料创新中心有限公司
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