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Ultraviolet (VU) offset printing transfer laser paint and synthesis method thereof

A technology that transfers lasers and synthetic methods, applied in the direction of coating, etc., can solve the problems of benzene escaping, not having resistance to ultraviolet light, etc., and achieve the effect of reducing damage and reducing emissions

Active Publication Date: 2012-02-15
SHANGHAI CHENGYING NEW MATERIALS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the existing technical formulas all adopt the traditional transfer coating formula, the ordinary resin in the formula does not have the ability to resist ultraviolet light and avoid the breaking of molecular bonds, resulting in the escape of a large amount of harmful gases such as benzene

Method used

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  • Ultraviolet (VU) offset printing transfer laser paint and synthesis method thereof
  • Ultraviolet (VU) offset printing transfer laser paint and synthesis method thereof
  • Ultraviolet (VU) offset printing transfer laser paint and synthesis method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method for preparing an environment-friendly laser transfer coating suitable for UV offset printing, the method comprising the following steps:

[0041] (1) Prepare raw materials according to the following components and content (wt%): modified polyacrylate resin 7%, cellulose ester resin 10%, nitrocellulose resin 4%, plasticizer 0.2%, leveling agent 0.4%, Ethyl acetate 20%, butanone 28.4%, n-propyl acetate 24%, propylene glycol methyl ether 6%; modified polyacrylate resin is methyl methacrylate monomer, butyl methacrylate monomer and modified acrylic acid The copolymer of ester monomer or modified methacrylate monomer, the cellulose is cellulose acetate propionate, the plasticizer is polyphenylmethylsiloxane, and the leveling agent is polyether modified polysiloxane alkyl.

[0042] (2) Put ethyl acetate, butanone, n-propyl acetate, and propylene glycol methyl ether as solvents in the reaction kettle, heat the reaction kettle to 60° C. and turn on the stirring device...

Embodiment 2

[0052] A method for preparing an environment-friendly laser transfer coating suitable for UV offset printing, the method comprising the following steps:

[0053] (1) Prepare raw materials according to the following components and contents (wt%): 10% of modified polyacrylate resin, 5% of cellulose ester resin, 2% of nitrocellulose resin; 0.1% of plasticizer, 20% of ethyl acetate, Butanone 32.9%, n-propyl acetate 30%; modified polyacrylate resin is methyl methacrylate monomer, butyl methacrylate monomer and modified acrylate monomer or modified methacrylate monomer The copolymer, the cellulose is cellulose acetate propionate, the nitrocellulose resin is 3 seconds nitrocellulose resin, and the plasticizer is polyphenylmethylsiloxane.

[0054] (2) Put ethyl acetate, butanone, and n-propyl acetate as solvents in the reactor, heat the reactor to 50° C. and start the stirring device to stir evenly;

[0055] (3) polyacrylic acid resin, cellulose resin and nitrocellulose resin are dro...

Embodiment 3

[0060] A method for preparing an environment-friendly laser transfer coating suitable for UV offset printing, the method comprising the following steps:

[0061] (1) Prepare raw materials according to the following components and content (wt%): modified polyacrylate resin 16%, cellulose ester resin 5%, leveling agent 0.2%, plasticizer 0.1%, ethyl acetate 30%, Butanone 30%, n-propyl acetate 18.7%. Modified polyacrylate resin is a copolymer of methyl methacrylate monomer, butyl methacrylate monomer and modified acrylate monomer or modified methacrylate monomer, and the cellulose is cellulose acetate butyrate , The leveling agent is polyether modified polysiloxane, and the plasticizer is polyphenylmethylsiloxane.

[0062] (2) Put ethyl acetate, butanone, and n-propyl acetate as solvents in the reactor, heat the reactor to 50° C. and start the stirring device to stir evenly;

[0063] (3) The modified polyacrylic acid resin and the cellulose resin are dropped into the reactor, an...

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Abstract

The invention relates to ultraviolet (VU) offset printing transfer laser paint and a synthesis method thereof. The paint comprises the following ingredients in percentage by weight: 7 to 16 of modified polyacrylate resin, 4 to 10 of cellulose ester resin, 0 to 5 of nitro-cotton resin, 0 to 2 of additives and 69 to 89 of solvents. The resin ingredients are added into solvents, after the stirring, the additives are added into a reaction kettle and are uniformly dispersed, and the solid content and the viscosity are regulated to obtain products. Compared with the prior art, the VU offset printing transfer laser paint and the synthesis method have the advantages that the damage to the coating layer during the UV offset printing can be effectively reduced, the emission of harmful gas such as benzene and the like is reduced, the UV offset printing transfer laser paint conforms to the national volatile organic compound (VOC) detection standard, and the aluminum attaching performance, the temperature resistance performance, the peeling performance, the molding pressing performance, the flexibility performance, the transfer performance and the like all conform to the product standard of the laser transfer paint.

Description

technical field [0001] The invention relates to a laser transfer paint and a synthesis method thereof, in particular to a UV offset printing transfer laser paint and a synthesis method thereof. Background technique [0002] Laser transfer coating is widely used in tobacco, wine, sugar, tea, etc. As well as outer packaging coatings for gifts and cosmetics, especially in tobacco packaging, it has been widely used. Printing is a necessary process for all packaging products. UV offset printing has incomparable advantages over traditional offset printing in terms of surface texture, protection, wear resistance and production efficiency. These advantages make those printing companies that apply UV offset printing technology stand out from the competition. However, the UV offset printing process is relatively complicated, and how to deal with the problems existing in the UV offset printing process has become a challenge for the printing industry. One of the problems is that trad...

Claims

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Application Information

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IPC IPC(8): C09D133/12C09D133/10C09D133/14C09D133/16
Inventor 虞明东蒋天龙
Owner SHANGHAI CHENGYING NEW MATERIALS
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