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Protective ultraviolet curing coating composition with solid content being 100%, coating prepared from same, and application of coating

A technology for curing coatings and compositions, which is applied in coatings, polyether coatings, epoxy resin coatings, etc., and can solve the problems of restricting formula design and use, low viscosity, etc.

Active Publication Date: 2019-11-05
ZHONGCHAO SPECIAL SECURITY TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limitations of the design and synthesis of resins (also known as oligomers), so far, under the premise of not adding solvents, such resins that can be cured quickly, have higher hardness or higher flexibility are often difficult to have lower Viscosity, which further restricts the formulation design and use, making it difficult for the traditional pure radical curing system to meet the above requirements

Method used

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  • Protective ultraviolet curing coating composition with solid content being 100%, coating prepared from same, and application of coating
  • Protective ultraviolet curing coating composition with solid content being 100%, coating prepared from same, and application of coating

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Embodiment 1

[0084] This embodiment is to illustrate the protective UV-curable coating composition of the present invention, wherein, each component and its content are as shown in Table 1:

[0085] Table 1

[0086] components Grade or abbreviation % by weight Cationically curable components that do not contain hydroxyl groups 421P 63 Cationically curable components that do not contain hydroxyl groups DVE-3 6 Hydroxyl-Containing Cationically Curable Components HBVE 17 Free Radical Curable Components PU6510 6 Fluorinated Free Radical Curing Components KL-760UVR 1 Silicon free radical curing components EB1360 1 cationic photoinitiator I250 3 free radical photoinitiator DETX 3

[0087] The result is a protective UV-curable coating composition.

Embodiment 2

[0089] This embodiment is to illustrate the protective UV-curable coating composition of the present invention, wherein, each component and its content are as shown in Table 2:

[0090] Table 2

[0091] components Brand and manufacturer % by weight Cationically curable components that do not contain hydroxyl groups U-9100A 40 Cationically curable components that do not contain hydroxyl groups 421P 31 Hydroxyl-Containing Cationically Curable Components OXT101 10 Free Radical Curable Components E522 4 Fluorinated Free Radical Curing Components RS90 1 Silicon free radical curing components EB350 1 cationic photoinitiator 1176 4 free radical photoinitiator 184 2 matting powder E-1009 6 Auxiliary, Defoamer Airex900 0.3 Auxiliary, Wetting and Dispersing Additive Dispers685 0.3 Auxiliary, leveling agent Glide410 0.3 Additives, UV Stabilizers GENORAD * 16

[0092] The result ...

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Abstract

The invention relates to the field of optical counterfeiting prevention, and discloses a protective ultraviolet curing coating composition with the solid content being 100%, a coating prepared from the same, and application of the coating. The coating composition comprises, on the basis of taking the total weight of the coating composition as a reference, 58-88 wt% of a component not containing hydroxyl and capable of being subjected to cationic curing, 5-20 wt% of a component containing hydroxyl and capable of being subjected to cationic curing, 2-12 wt% of a component capable of being subjected to free radical curing, 1-6 wt% of a surface modification component capable of being subjected to free radical curing, and 2-10 wt% of a composite initiation system of a cationic initiator and a free radical initiator. The coating composition has the characteristics of low viscosity and high curing speed; and through the formed protective coating, chemical resistance, bending resistance, scratch resistance and stain resistance of an optical anti-counterfeiting product can be obviously improved, and thus the circulation life of the optical anti-counterfeiting product is prolonged.

Description

technical field [0001] The invention relates to an optical anti-counterfeiting element or an optical anti-counterfeiting product with the optical anti-counterfeiting element, especially an optical anti-counterfeiting product in the field of banknotes, in particular a 100% solid content related protective ultraviolet light curing coating composition and its coating and application. Background technique [0002] In order to prevent counterfeiting by means of scanning and copying, optical anti-counterfeiting technology is widely used in various high-security or high-value-added printed materials such as banknotes and bank notes, and has achieved very good results. In the anti-counterfeiting of banknotes, such optical anti-counterfeiting elements (such as holograms, dynamic optical changes) are often used as anti-counterfeiting strips, anti-counterfeiting labels, anti-counterfeiting lines and plastic banknotes as carriers to form optical anti-counterfeiting products with specific...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D175/14C09D171/00
CPCC08L2205/025C08L2205/03C09D163/00C08L75/14C08L71/00C08L63/00
Inventor 蹇钰吴远启朱军张宝利
Owner ZHONGCHAO SPECIAL SECURITY TECH
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