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UV offset printing ink and preparation method thereof

A technology of offset printing ink and photoinitiator, applied in the field of UV offset printing ink and its preparation, can solve the problems of UV offset printing ink harm to human body and environment, unfavorable high-speed printing, slow resin drying speed, etc., achieves fast UV curing speed and saves time , The effect of low production cost

Inactive Publication Date: 2014-10-29
SHUYANG SU HE AGRI PROD SALES PROFESSIONAL COOP ASSOC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional UV offset printing inks often use unsaturated polyester resin and epoxy acrylic resin as the main resin because of the need to take into account the wettability of the pigment, but the drying speed of this type of resin is slow, which is not conducive to high-speed printing
There are also UV offset printing inks that contain heavy metals that are extremely harmful to the human body and the environment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In parts by weight, take 45 parts of silane-based epoxy modified resin and 25 parts of polyether modified acrylic polyurethane resin and mix and stir evenly, add 3 parts of photoinitiator, 10 parts of stabilizer, 1.5 parts of polymerization inhibitor, 6 parts of UV dispersant, 10 parts of talcum powder, stirring for 20 minutes to dissolve the obtained mixture thoroughly, add 13 parts of organic pigments, disperse evenly, put the obtained mixture into a three-roller machine for full grinding, and obtain UV offset printing ink.

Embodiment 2

[0018] In parts by weight, take 40 parts of silane-based epoxy modified resin and 20 parts of polyether modified acrylic polyurethane resin and mix and stir evenly, add 1 part of photoinitiator, 12 parts of stabilizer, 0.1 part of polymerization inhibitor, 3 parts of UV Dispersant, 5 parts of talcum powder, stir for 20 minutes to dissolve the obtained mixture thoroughly, add 10 parts of organic pigment, disperse evenly, put the obtained mixture into a three-roller machine for full grinding, and obtain UV offset printing ink.

Embodiment 3

[0020] In parts by weight, take 50 parts of silyl epoxy modified resin and 30 parts of polyether modified acrylic polyurethane resin and mix and stir evenly, add 5 parts of photoinitiator, 8 parts of stabilizer, 2 parts of polymerization inhibitor, 10 parts UV dispersant, 15 parts of talcum powder, stirred for 20 minutes to dissolve the resulting mixture thoroughly, add 7 parts of organic pigments and 8 parts of inorganic pigments, and disperse evenly, put the obtained mixture on a three-roll machine for full grinding, and then obtain UV offset printing ink.

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PUM

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Abstract

The invention discloses a UV offset printing ink and a preparation method thereof. The UV offset printing ink is characterized by following components by weight: 40-50 parts of silane epoxy modified resin, 20-30 parts of polyether modified acrylic polyurethane resin, 1-5 parts of a photo initiator, 8-12 parts of a stabilizer, 0.1-2 parts of a polymerization inhibitor, 10-15 parts of a pigment, 3-10 parts of a UV dispersant, and 5-15 parts of talcum powder. The UV offset printing ink provided by the invention is high in UV curing speed and suitable for high speed printing, and has low production cost and good resin wetting and dispersing properties; and the offset printing ink can improve the performance of the product and endow the product with good water resistance, oil resistance, anti fouling performance and excellent adhesion performance. The preparation method of the invention is simple and time-saving.

Description

technical field [0001] The invention relates to the technical field of ink, in particular to a UV offset printing ink and a preparation method thereof. Background technique [0002] UV offset printing ink is based on the action of ultraviolet radiation, relying on the free radicals or cations formed after the photoinitiator absorbs the radiation energy, triggering the polymerization, crosslinking and grafting reactions of monomers and oligomers to form a crosslinked three-dimensional network structure. Drying and curing of high molecular polymers. [0003] Traditional UV offset printing inks often use unsaturated polyester resin and epoxy acrylic resin as the main resin because of the need to take into account the wettability of the pigment. However, the drying speed of this type of resin is slow, which is not conducive to high-speed printing. There are also UV offset printing inks that contain heavy metals that are extremely harmful to the human body and the environment. ...

Claims

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Application Information

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IPC IPC(8): C09D11/101
Inventor 王春波章亚祥王小敏
Owner SHUYANG SU HE AGRI PROD SALES PROFESSIONAL COOP ASSOC
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