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Laser aluminized transfer coating suitable for use in gravure and preparation method thereof

A technology of laser aluminizing and transfer coating, which is applied in the direction of paper coating, coating, and non-pigment coating, etc., can solve the problems that hinder the healthy development of laser aluminizing transfer coating industry, insufficient transfer of laser aluminizing coating, gravure printing ink, etc. Poor leveling and other problems, to achieve a wide range of use, excellent abrasion resistance, good leveling effect

Inactive Publication Date: 2010-06-30
SHANGHAI WEIKAI CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

First of all, if the use of raw and auxiliary materials is slightly improper, it will cause insufficient transfer of the laser-coated aluminum coating, loss of light and whiteness, etc., and poor adhesion of the aluminum layer on the surface of the printed product, poor leveling of the gravure printing ink, bottoming, and turtles. A series of problems such as cracking and poor adhesion have greatly restricted the healthy development of the laser aluminum plating transfer coating industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] A method for preparing a laser-coated aluminized transfer coating suitable for gravure printing, which is prepared according to the following process steps:

[0042] (1) Put all the solvents, namely 35kg of ethyl acetate, 31kg of butanone, 11.7kg of butyl acetate, 24kg of n-propyl acetate, and 8kg of acetone into the reaction kettle, stir and heat to 55°C;

[0043] (2) 7.5kg of bisphenol A epoxy vinyl resin, 30kg of acrylic acid and butyl acrylate copolymer are put into the reaction kettle successively as polyacrylate resin, and the control stirring speed is 1000rpm high-speed stirring for 4h, wherein bisphenol A epoxy The molecular weight of vinyl resin is 20,000, and the molecular weight of polyacrylate resin is 30,000;

[0044] (3) After the resin is fully dissolved, slowly add 0.9kg of cross-linking agent divinylbenzene, 0.45kg of dispersant zinc stearate and 1.5kg of wetting agent polypropylene wax into the reaction kettle, and control the stirring speed to 1000rpm...

Embodiment 2

[0049] (1) Put all the solvents, i.e. 27kg of butanone, 12kg of propylene glycol methyl ether, 39kg of ethyl acetate, 18kg of butyl acetate, 21.2kg of n-propyl acetate, and 5kg of acetone into the reaction kettle, stir and heat to 60°C;

[0050](2) Put 44.1kg of polyacrylate resin, 4.5kg of modified styrene resin, and 5.4kg of cellulose ester resin into the reaction kettle in turn, and control the stirring speed to 900rpm for 4.5h at high speed, wherein the polyacrylate resin is methacrylic acid The homopolymer of methyl ester, butyl methacrylate and styrene, the molecular weight is 250,000, the modified styrene resin is amino-modified styrene resin, the molecular weight is 8,000, and the cellulose ester resin is butyl acetate cellulose, The molecular weight is 20,000;

[0051] (3) After the resin is fully dissolved, slowly add 0.9kg of leveling agent RB505, 3.42kg of di-isooctyl adipate and 0.18kg of commercially available anti-cratering agent BK into the reactor, and control...

Embodiment 3

[0055] (1) All the solvents, i.e. 52kg of ethyl acetate, 34kg of methyl ethyl ketone, 16kg of butyl acetate, 38kg of propylene glycol methyl ether, 3.73kg of acetone, and 7.2kg of n-butanol, were put into the reaction kettle, stirred and heated to 50°C;

[0056] (2) 15.75kg of polyacrylate resin and 6.75kg of cellulose ester resin are dropped into the reactor successively, and the control stirring speed is 900rpm high-speed stirring for 4h, wherein the polyacrylate resin is a copolymer of methyl methacrylate and styrene, The molecular weight is 100,000, and the cellulose ester resin is cellulose acetate with a molecular weight of 78,000;

[0057] (3) After the resin is fully dissolved, slowly add 3.75kg of dipropylene glycol dibenzoate and 0.45kg of organosilicon additive polyphenylmethylsiloxane into the reaction kettle, control the stirring speed to 900rpm, stir 2h to disperse evenly to obtain the sample;

[0058] (4) Measure the solid content and viscosity of the obtained ...

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PUM

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Abstract

The invention relates to a laser aluminized transfer coating suitable for use in gravure and a preparation method thereof. The coating comprises the following components in part by weight: 4 to 26 parts of polyacrylate resin, 0 to 6 parts of vinylit resin, 0 to 5 parts of modified styrol resin, 0 to 12 pars of cellulose ester resin, 0 to 3.2 parts of assistant and 70 to 83 parts of solvent. The preparation method comprises the steps of: firstly, dissolving the resin in the solvent; secondly, filling the assistant in a reactor; and finally, stirring, cooling and filtering the mixture to obtain the final product. Compared with the prior art, the laser aluminized transfer coating can be directly printed and the product has the advantages of simple use process, low production cost, high surface finish, good smoothness, high wearing resistance and high-temperature resistance and wide use range.

Description

technical field [0001] The invention relates to a laser aluminized transfer paint and a preparation method thereof, in particular to a laser aluminized transfer paint suitable for gravure printing and a preparation method thereof. Background technique [0002] In recent years, the gold and silver cardboard used in the paper packaging fields of cigarettes, alcohol, medicine, toothpaste, gifts, flavored food, agricultural products and cosmetics, most of them are made of cardboard and aluminum foil composite or cardboard and polyester. Ester film composite cardboard. Since the thickness of the aluminum foil of the aluminum foil composite cardboard is about 7 microns, it cannot be recycled as aluminum products, nor can it be recycled as paper; the polyester film on the surface of the polyester composite cardboard cannot be degraded, causing serious environmental pollution and waste of resources. It is a non-environmentally friendly material. The laser aluminized film transfer ...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D101/12C09D101/14C09D125/04D21H19/34D21H19/22
Inventor 陈智韩莲张阳红
Owner SHANGHAI WEIKAI CHEM
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