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Flexible ultraviolet light curing offset printing ink

A technology of offset printing ink and ultraviolet light, which is applied in the field of ink, can solve the problems of high flexibility and fast curing speed, ink balance, pigment wetting, viscosity, and flexibility that cannot meet high-speed printing, etc., to achieve high flexibility and fast curing speed , the effect of increasing flexibility

Active Publication Date: 2011-06-08
东莞市贝特利新材料有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] From the above disclosed technologies, with the development of science and technology, the performance of ink has been greatly improved in all aspects; but there are still defects in its water-ink balance, pigment wetting, viscosity, flexibility, etc. that cannot meet high-speed printing. Especially for special packaging industries such as cigarette packs and plastic films, it cannot meet the requirements of high flexibility and fast curing speed

Method used

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  • Flexible ultraviolet light curing offset printing ink
  • Flexible ultraviolet light curing offset printing ink

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Embodiment 1～5

[0035] First prepare the modified acrylate oligomer: SAA resin is a commercially available finished product, which has three types, namely SAA-100, SAA-101, and SAA-103; when preparing the modified acrylate oligomer, mix 600g SAA- 100,314g polyhexadiene monoacrylate, 11g butadiene, 1000g toluene, 40g p-hydroxyanisole, 0.5g cuprous oxide (Cu 2 (2), 9.7g hypophosphorous acid add in the reactor. While stirring, the material was slowly raised to 110° C., and reacted at 110° C. for 10 hours until the reaction speed slowed down. The reaction kettle is kept warm and stirred continuously, and the acid value of the above-mentioned reaction materials is detected every 5 to 25 minutes. When the acid value is less than or equal to 5mgKOH / g, the temperature of the reaction kettle is lowered to 90°C, and the toluene is distilled under reduced pressure until no toluene flows out. The temperature of the kettle continues to decrease to obtain a modified polyester acrylate with a viscosity of ...

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Abstract

The invention relates to the technical field of oil ink, in particular to flexible ultraviolet light solidifying offset ink. The offset ink comprises a modified acrylate oligomer, an acrylic monomer, a light trigger, dyes and fillings / an addition agent; wherein, the modified acrylate oligomer is synthesized of by SAA resin, dibasic acid and acrylic ester comprising hydroxide radical. The flexibleultraviolet light solidifying offset ink not only has very high flexibility, but also has very fast solidifying speed; and the flexible ultraviolet light solidifying offset ink is especially used forthe special packaging industries of cigarette bags, plastic films and the like.

Description

Technical field: [0001] The invention relates to the technical field of inks, in particular to a flexible UV-curable offset printing ink. Background technique: [0002] UV-curable offset printing inks are being more and more widely used in the printing industry due to their VOC-free, non-irritating, water and solvent resistance, good surface gloss, and fast curing speed. UV-curable offset printing inks due to fatty acid-modified polyester acrylics have been widely used since the 1970s. [0003] In order to improve the performance of various aspects of the ink, people have done a lot of research, such as: Chinese patent CN200710072807 discloses a UV-curable offset printing transparent ink and its preparation method, by first grinding the pigment and dye, and then grinding the pigment , dyes and some polyester acrylate oligomers and reactive diluents are mixed and pre-slurried and finely ground, and then the remaining polyester acrylate oligomers and reactive diluents, photoi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/10C09D11/101
Inventor 王全官灏
Owner 东莞市贝特利新材料有限公司
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