Antibacterial and bacteriostatic UV offset printing ink

A technology of offset printing ink and volatile oil, applied in the field of printing ink, can solve the problems of destroying ink, ink film, contaminating printed matter, etc.

Active Publication Date: 2010-09-01
苏州科德教育科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It not only destroys the ink and ink film; but also seriously pollutes the printed matter

Method used

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  • Antibacterial and bacteriostatic UV offset printing ink
  • Antibacterial and bacteriostatic UV offset printing ink

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 1. Raw material preparation: batching with the weight percentage of each component shown in table 1:

[0036] Table 1

[0037]

[0038] Among them, the polyester-modified acrylic polyurethane UV resin is self-made, and the specific preparation process includes: 1) adding measured amounts of adipic acid, trimethylolpropane and diethylene glycol into a four-necked flask, and starting to heat up. During the heating process, the water will gradually come out, and stir until the powder is completely melted. When the temperature rises to about 160°C (about 2 hours), add antioxidant, blow nitrogen, and add reflux xylene from the upper part of the condenser tube. Gradually raise the temperature to 190-195°C, keep it warm for 6-8 hours, then stop heating and turn off the nitrogen. Start vacuuming, and discharge after 1 hour to obtain hydroxyl-terminated polyester (PE). 2) Add toluene diisocyanate into a four-necked flask, adjust the pH value to 4-5 with a small amount of c...

Embodiment 2

[0046] With the weight percent batching of each component shown in table 2:

[0047] Table 2

[0048]

[0049] Among them, the acrylate-modified polyurethane resin is self-made, and the specific preparation process includes: weighing a certain amount of polycarbonate hexylene glycol ester, putting it into a four-necked bottle, and vacuum dehydrating. Then, add a certain amount of dihydroxypropionic acid, acetone, DBT, etc., drop toluene diisocyanate, control the reaction temperature not higher than 80 degrees, react for 3 hours, cool down, add a certain amount of HEA, and react at 70-75 degrees 1.5 hours; cool down to 40 degrees, add quantitative methyl methacrylate and triethanolamine, stir for half an hour; disperse the reaction mixture in water; add the initiator to the above dispersion, and free radical polymerization at about 80 degrees for 3.5 hours , Put this liquid into a distiller, distill off the acetone to obtain acrylate-modified polyurethane.

[0050] 2. Prep...

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Abstract

The invention relates to antibacterial and bacteriostatic UV offset printing ink. The antibacterial and bacteriostatic UV offset printing ink contains 0.0005 to 6 weight percent of plant volatile oil. The antibacterial and bacteriostatic UV offset printing ink is provided by adding the antibacterial and bacteriostatic plant volatile oil into UV offset printing ink and performing adaptive improvement on the formula of the UV offset printing ink. The UV offset printing ink is particularly suitable for printing products with environmentally-friendly requirements such as packing presswork (such as cosmetics, paper towels, clothes, books and magazines, instruction books and the like) contacted with the human body, presswork of foodstuff (such as food, wine, cigarettes, health-care products and the like) packages, packing presswork contacted with medicaments, presswork of adhesive labels and the like.

Description

technical field [0001] The invention relates to the field of printing inks, in particular to an antibacterial and antibacterial UV offset printing ink. Background technique [0002] In daily life, people use a lot of printed products, such as food bags, food containers, sanitary napkins, napkins, food display paper, underwear packaging bags, medicine bags, medicine containers, etc.; they also come into contact with newspapers, magazines, printed books, etc. in large quantities. Most of these items that may be in direct contact with the human body are printed with patterns, advertisements or text. [0003] 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. Mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10C09D11/03C09D11/101
Inventor 肖学俊
Owner 苏州科德教育科技股份有限公司
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