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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AI-Extracted 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 i...
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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.

Application Domain

Technology Topic

Examples

  • Experimental program(2)
  • Effect test(1)

Example Embodiment

[0042] Example 1:
[0043] The environmentally friendly UV light-curable ink is prepared from the following raw materials, and each component is calculated 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 part, DC-57: 1 part, Tego-655: 0.5 part, talc: 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, 1173 into the tinplate in turn, in a constant temperature water bath at 90-96 °C, with high speed The dispersing machine disperses and stirs for full dissolution, lasting 0.5-1 hour;
[0046](2) Then add Tego-Foamex N, DC-57, Tego-655, cool down to 70°C, and continue stirring for 0.5-1 hour;
[0047] (3) Take out the reaction product obtained in step 2) and mix with titanium dioxide, add light calcium carbonate and talc, and prepare UV gravure white ink for food packaging BOPP film with a particle size of 5 μm by ball milling.

Example Embodiment

[0048] Example 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, talc: 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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PUM

PropertyMeasurementUnit
Particle size5.0µm
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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