UV (Ultra Voilet) light curing transfer printing coating sizing agent and transfer printing coating

A technology of coating slurry and photocuring, which is applied in the direction of coating, can solve the problems of organic solvent environmental pollution and other problems, and achieve the effect of less equipment investment, low cost and simple process

Inactive Publication Date: 2011-08-10
SHANGHAI CHIVA NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the above-mentioned patented technologies and the coatings commonly used at present are all organic solvent-based coatings, which require a long drying process in the preparation process, and the volatilization of organic solvents will also cause pollution to the environment.

Method used

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  • UV (Ultra Voilet) light curing transfer printing coating sizing agent and transfer printing coating
  • UV (Ultra Voilet) light curing transfer printing coating sizing agent and transfer printing coating
  • UV (Ultra Voilet) light curing transfer printing coating sizing agent and transfer printing coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Step 1, prepare UV transfer printing coating slurry according to the equipment in Table 1;

[0039]

[0040] The initiator 184 in the table is 1-hydroxycyclohexyl phenyl ketone.

[0041] According to the distribution ratio of each component in Table 1, the cellulose resin is blended with the free radical resin oligomer, and then a polymerization inhibitor, an ultraviolet photoinitiator, a leveling agent and a defoamer are added to form a UV photocurable transfer coating slurry.

[0042] In step 2, coating is carried out, and at the same time light curing is performed to prepare a transfer coating.

[0043] The glass transition temperature Tg of the transfer printing coating prepared in Example 1 of the present invention is 130° C., which has good heat resistance; at the same time, the transfer printing coating prepared by the present invention has a hardness of 3H and has relatively high mechanical strength; and the coating The layer peeling performance is excellen...

Embodiment 2

[0045] Step 1, prepare UV transfer printing coating slurry according to the equipment in Table 2;

[0046]

[0047] The initiator TPO in the table is 2,4,6-trimethylbenzoyl-diphenylphosphine oxide.

[0048] According to the distribution ratio of each component in Table 2, the cellulose resin is blended with the free radical resin oligomer, and then a polymerization inhibitor, an ultraviolet photoinitiator, a leveling agent and a defoamer are added to form a UV photocurable transfer coating slurry.

[0049] In step 2, coating is carried out, and at the same time light curing is performed to prepare a transfer coating.

[0050]The glass transition temperature Tg of the transfer printing coating prepared in Example 2 of the present invention is 135° C., which has good heat resistance; at the same time, the transfer printing coating prepared by the present invention has a hardness of 4H and has relatively high mechanical strength; and the coating The layer peeling performance...

Embodiment 3

[0052] Step 1, prepare UV transfer printing coating slurry according to the equipment in Table 3;

[0053]

[0054] According to the distribution ratio of each component in Table 3, the cellulose resin is blended with the free radical resin oligomer, and then a polymerization inhibitor, an ultraviolet photoinitiator, a leveling agent and a defoamer are added to form a UV photocurable transfer coating slurry.

[0055] In step 2, coating is carried out, and at the same time light curing is performed to prepare a transfer coating.

[0056] The glass transition temperature Tg of the transfer printing coating prepared in Example 3 of the present invention is 140° C., which has good heat resistance; at the same time, the transfer printing coating prepared by the present invention has a hardness of 6H and has relatively high mechanical strength; and the coating The layer peeling performance is excellent, which meets the requirements of thermal transfer printing process.

[0057]...

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Abstract

The invention relates to a UV (Ultra Voilet) light curing transfer printing coating sizing agent and a coating prepared from the sizing agent. A photoinitiator is used to initiate polymerization under the irradiation of ultraviolet light so as to realize curing. The curing speed is high. The yield is high. The product has high heat resistance, good mechanical strength and good stripping performance.

Description

technical field [0001] The invention relates to a paint, in particular to a UV (Ultraviolet, ultraviolet light) photocurable transfer coating. Background technique [0002] Thermal transfer printing is a special printing process that prints the pattern on the heat-resistant adhesive paper, and prints the pattern of the ink layer on the finished material by heating and pressing. Due to its corrosion resistance, impact resistance and aging resistance , wear-resistant, fire-resistant, and can be used outdoors without changing color for 15 years. Thermal transfer technology is widely used in the fields of electrical appliances, daily necessities, and decoration of building materials, and almost all commodities are labeled in this way. Since the transfer printing operation is only a process, even if it is a multi-color pattern, it can shorten the printing pattern operation time and reduce the loss of materials (finished products) caused by printing errors. Multi-color patterns c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D4/00
Inventor 邓德纯吴建儒
Owner SHANGHAI CHIVA NEW MATERIAL TECH
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