A local uv glue

A topical, adhesive technology, applied in coatings, polyurea/polyurethane coatings, etc., can solve the problems of poor wear resistance, insufficient brightness, transparency, easy to fall off, etc., achieve low cost, prevent gloss loss, high transparency

Inactive Publication Date: 2016-07-20
ANHUI ZHONGCAI PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its shortcoming is: use the varnish provided by the invention to carry out local UV treatment on the surface of the paper product, the effect after glazing is poor, the brightness and transparency cannot be achieved, the abrasion resistance is poor, and it is easy to fall off

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A local UV glue is characterized in that it comprises the following raw materials in parts by weight: 60 parts of polypropylene, 8 parts of polyurethane, 27 parts of ethyl 2,4,6-trimethylbenzoylphenyl phosphonate, sulfated castor 10 parts of sesame oil, 2 parts of polydimethylsiloxane, 30 parts of dilauryl thiodipropionate.

[0018] Put polypropylene and polyurethane into the reaction kettle, heat up to 200°C and dissolve completely, start stirring and heat up to 250°C, keep warm for 30 minutes, then add 2,4,6-trimethylbenzoylphenylphosphonic acid ethyl ester, sulfuric acid Melt castor oil, keep warm for 30 minutes, then add polydimethylsiloxane, dilauryl thiodipropionate, keep warm and stir for 20-30 minutes. Apply some UV glue to the carton box. After spraying, put it in an oven at 50°C and bake it with oxygen for 10 days.

Embodiment 2

[0020] A local UV glue, characterized in that it comprises the following raw materials in parts by weight: 70 parts of polypropylene, 8 parts of polystyrene, 27 parts of vinyl ether, 10 parts of lecithin, 2 parts of polymethylphenylsiloxane, 30 parts of tertiary amines.

[0021] Put polypropylene and polystyrene into the reactor, heat up to 200°C and dissolve completely, start stirring and heat up to 250°C, keep warm for 30 minutes, then add vinyl ether and lecithin, keep warm for 30 minutes, then add polymethylbenzene Base siloxane and tertiary amine are kept and stirred for 20-30 minutes, and they are passed out of the pot. Apply some UV glue to the carton box. After spraying, put it in an oven at 50°C and bake it with oxygen for 10 days.

Embodiment 3

[0023] A local UV glue, characterized in that it comprises the following raw materials in parts by weight: 75 parts of polypropylene, 9 parts of polyacrylate, 30 parts of 2-hydroxy-2-methyl-1-phenylacetone, 5 parts of fatty acid glycerides , 7 parts of acrylate, 25 parts of zinc oxide.

[0024] Put polypropylene and polyacrylate into the reactor, heat up to 200°C and dissolve completely, start stirring and heat up to 250°C, keep it warm for 30 minutes, then add 2-hydroxy-2-methyl-1-phenylacetone, fatty acid glyceride , keep warm for 30 minutes, then add acrylic acid ester and zinc oxide, keep warm and stir for 20-30 minutes, and then pass the pot. Apply some UV glue to the carton box. After spraying, put it in an oven at 50°C and bake it with oxygen for 10 days.

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PUM

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Abstract

The invention discloses a local UV adhesive, and relates to the technical field of printing. The local UV adhesive comprises, by weight, 60-75 parts of polypropylene, 6-9 parts of an adhesive, 25-30 parts of a photoinitiator, 5-10 parts of a surfactant, 2-7 parts of a leveling agent, and 20-30 parts of an antioxidant. The local UV adhesive is based on polypropylene, so the local UV adhesive has a low cost; the local UV adhesive is used on a carton, so the carton resists moisture, and the local UV adhesive does not shed when the carton meets water; the antioxidant is added in raw materials, so the gloss decreases caused by oxidation of gloss oil is prevented; and the photoinitiator is added in the raw materials, so the brightness and the transparency are high.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a partial UV glue. Background technique [0002] Partial UV varnish is a kind of surface finishing technology for printed matters. It is named for its selective glazing of printed graphics with UV varnish with high brightness, transparency and wear resistance. It is used to highlight the theme of the layout. At the same time, it also improves the surface decoration effect of printed products. Partial UV is mainly used in the post-press finishing of book covers and packaging products to achieve the purpose of making printed products even better. [0003] Chinese patent CN201110447946.9 discloses a varnish formula and its preparation process, including the following components in mass percentage: resin: 30-45%, vegetable oil: 20-30%, ink oil: 20-30%, waxes Auxiliary: 1-5%, desiccant: 1-5%; the preparation process of the varnish is as follows: put vegetable oil and resin into the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D123/12C09D175/04C09D125/06C09D133/08C09D7/12
CPCC08L2205/03C08L2205/035C09D7/61C09D7/63C09D7/65C09D123/12C08L75/04C08L91/00C08L83/04C08K5/372C08K5/5333C08L25/06C08K5/17C08L33/04C08K2003/2296C08K5/103
Inventor 付云
Owner ANHUI ZHONGCAI PRINTING
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