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Optical-thermal double-solidified baikeding for tinplate and coating method thereof

A dual-curing and coating method technology, applied in the field of coatings, can solve the problems of low curing efficiency, incomplete coating curing, poor impact resistance, etc., and achieve the effect of ensuring the curing degree and physical strength, high production efficiency and excellent performance.

Inactive Publication Date: 2014-12-03
JIANGSU HIMONIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems existing in the prior art, the object of the present invention is to provide a photothermal dual-curing white cured for tinplate and its coating method. The present invention adjusts and innovates the curing method and cooperates with a special coating system To obtain a new type of photo-thermal dual curing white cotin that can be applied to tinplate, which effectively solves the problems of incomplete curing of existing coatings, low curing efficiency, poor energy saving and environmental protection performance, strong paint film brittleness, poor impact resistance, Problems such as poor adhesion and poor high-temperature boiling resistance make the product more reliable and convenient in use, and have better production and application prospects

Method used

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  • Optical-thermal double-solidified baikeding for tinplate and coating method thereof
  • Optical-thermal double-solidified baikeding for tinplate and coating method thereof

Examples

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Embodiment 1

[0027] The photo-thermal dual curing white codine of the present embodiment, its raw material formula is made up of each component of the following parts by weight:

[0028] Polyurethane acrylate resin: 22 parts;

[0029] Epoxy acrylate resin: 5 parts

[0030] Rutile titanium dioxide: 45 parts;

[0031] Active monomer: 15 parts;

[0032] Photoinitiator: 4 parts;

[0033] Thermal initiator: 2 parts;

[0034] Pigment wetting agent: 4 parts;

[0035] Adhesion promoter: 1 part;

[0036] Substrate wetting agent: 1 part;

[0037] Leveling agent: 0.5 parts;

[0038] Defoamer: 0.5 parts;

[0039] First, 22 parts of polyurethane acrylate, 45 parts of rutile titanium dioxide, and 4 parts of pigment wetting agent are preliminarily mixed, and the pre-mixture is ground and mixed three times by a three-roll mill to make a color paste; then add novolac epoxy to the system in sequence 5 parts of acrylate, 2 parts of photoinitiator 184, 819, 2 parts of TPO, 1 part, 1 part of TPO, 15 p...

Embodiment 2

[0045] The photo-thermal dual curing white codine of the present embodiment, its raw material formula is made up of each component of the following parts by weight:

[0046] Polyurethane acrylate resin: 20 parts;

[0047] Epoxy acrylate resin: 10 parts

[0048] Rutile titanium dioxide: 45 parts;

[0049] Active monomer: 12 parts;

[0050] Photoinitiator: 4 parts;

[0051] Thermal initiator: 2 parts;

[0052] Pigment wetting agent: 4 parts;

[0053] Adhesion promoter: 1 part;

[0054] Substrate wetting agent: 1 part;

[0055] Leveling agent: 0.5 parts;

[0056] Defoamer: 0.5 parts;

[0057] Preliminarily mix 20 parts of polyurethane acrylate, 45 parts of rutile titanium dioxide, and 4 parts of pigment wetting agent, grind and mix the pre-mixture three times with a three-roll mill to make a color paste; then add novolac epoxy to the system in sequence 10 parts of acrylate, 2 parts of photoinitiator 184, 819, 2 parts of TPO, 1 part, 1 part of TPO, 12 parts of active monome...

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Abstract

The invention discloses an optical-thermal double-solidified baikeding for a tinplate and a coating method thereof. The optical-thermal double-solidified baikeding comprises the following materials in parts by weight: 20-30 parts of polyurethane acrylate resin, 5-8 parts of epoxy acrylate resin, 30-50 parts of rutile titanium dioxide, 15-25 parts of activated monomers, 3-6 parts of photoinitiators, 2-4 parts of thermal initiators, 2-5 parts of pigment wetting agents, 0.5-1.5 parts of adhesion promoters, 0.5-1 part of substrate wetting agents, 0.3-0.5 part of leveling agents and 0.3-0.5 part of defoaming agents. According to the method, the baikeding is obtained by utilizing optical-thermal double solidification. The optical-thermal double-solidified baikeding disclosed by the invention has the advantages of completeness in solidification, high solidification efficiency, energy conservation, environment friendliness, good paint film friability, good impact force resistance, high adhesive force and high-temperature boiling resistance, and thus a product is more reliable and convenient when in use and has good production application prospect.

Description

technical field [0001] The invention belongs to the field of coatings, and relates to a white coating for tinplate that is double-cured by ultraviolet light and heat, in particular to a white cured white coating for tinplate that is dual-cured by light and heat and a coating method thereof. Background technique [0002] Tinplate is a modern commonly used packaging material, mainly used in the production of food packaging tin boxes and cans, because tinplate combines the strength and formability of steel with the corrosion resistance, solderability and beautiful appearance of tin in one Among the materials, it has the characteristics of corrosion resistance, non-toxicity, high strength and good ductility. Before tinplate is used as a packaging material, it is generally printed to meet specific use requirements. As a necessary preparation before printing, a layer of white paint needs to be applied to the tinplate for subsequent printing. This paint is called white. Ke Ding. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/12
Inventor 刘丽白永平李宵常红言
Owner JIANGSU HIMONIA TECH
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