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Anti-ultraviolet transparent hard coating film for in-mold decoration (IMD)

A technology of anti-ultraviolet and in-mold decoration, applied in optics, instruments, optical components, etc., can solve problems such as embrittlement, brittle high-hardness hardened film that cannot meet the tensile performance requirements of IMD molding, and yellowing of IMD products due to aging. To achieve the effect of solving the consumption problem

Active Publication Date: 2012-09-05
CHINA LUCKY FILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the usual high-hardness hardened film is brittle and difficult to meet the forming tensile properties of IMD. How to better balance the contradictory properties of formability and surface hardness has become the key to IMD industry technology.
[0005] In addition, in some occasions, such as IMD products such as automobiles and outdoors, which are often exposed to sunlight, long-term exposure to ultraviolet light will cause aging, yellowing or even embrittlement of IMD products.

Method used

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  • Anti-ultraviolet transparent hard coating film for in-mold decoration (IMD)
  • Anti-ultraviolet transparent hard coating film for in-mold decoration (IMD)
  • Anti-ultraviolet transparent hard coating film for in-mold decoration (IMD)

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] HM-234 40.0 parts

[0090] 601A-35 10.0 parts

[0091] UV-absorbing precursor UVP-1 2.0 parts

[0092] Hydrogen proton donor H-1 5.0 parts

[0093] Photoinitiator 184 7.0 parts

[0094] Tertiary amine 7.0 parts

[0095] Levaslip 432 1.0 servings

[0096] Butanone 14.0 parts

[0097] Ethyl cellosolve 14.0 parts

[0098]To 40.0 parts by weight polyester acrylate prepolymer HM-234 (manufactured by Jiangxi Kunlong New Material Co., Ltd., functionality 3, average molecular weight 1500) and 10.0 parts by weight organic-inorganic hybrid oligomer 601A-35 (Changxing Chemical Manufactured by Industrial Co., Ltd., functionality 2, average molecular weight 550), add 2.0 parts by weight of UV-absorbing precursor UVP-1 (developed by China Lucky Film Group Corporation) and 4.0 parts by weight of hydrogen proton donor H-1 (developed by China Lucky Film Group Corporation), and 1.0 parts by weight of leveling agent Levaslip 432 [manufactured by Deqian (Shanghai) Chemical Co., Ltd....

Embodiment 2

[0101] B-530 UV 20.0 copies;

[0102] 601B-35 30.0 copies;

[0103] UV-absorbing precursor UVP-2 2.0 parts;

[0104] 4.0 parts of hydrogen proton donor H-2;

[0105] Photoinitiator 1173 3.2 parts;

[0106] 4.0 parts of secondary amine;

[0107] Levaslip 410 2.0 parts;

[0108] Butanone 34.8 parts;

[0109] To 20.0 parts by weight polyester acrylate prepolymer B-530 UV (manufactured by Guangzhou Boxing Chemical Technology Co., Ltd., functionality 4, average molecular weight 2500) and 30.0 parts by weight organic-inorganic hybrid oligomer 601B-35 ( Manufactured by Changxing Chemical Industry Co., Ltd. (functionality 2, average molecular weight 600), 2.0 parts by weight of UV-absorbing precursor UVP-2 (developed by China Lucky Film Group Corporation) and 4.0 parts by weight of hydrogen proton donor H -2 (developed by China Lucky Film Group Corporation), add 2.0 parts by weight of leveling agent Levaslip 410 [manufactured by Deqian (Shanghai) Chemical Co., Ltd.] with polydim...

Embodiment 3

[0112] CN2262 28.0 copies;

[0113] 601C-35 17.0 copies;

[0114] UV-absorbing precursor UVP-3 5.0 parts;

[0115] 10.0 parts of hydrogen proton donor H-3;

[0116] 2.8 parts of photoinitiator 184;

[0117] 4.0 parts of tertiary amine;

[0118] BYK 377 1.2 copies;

[0119] 15.5 parts of ethanol;

[0120] 15.5 parts of isopropanol;

[0121] To 28.0 parts by weight of polyester acrylate prepolymer CN2262 (manufactured by Shanghai Juncai Chemical Technology Co., Ltd., functionality 5, average molecular weight of 1000) and 17.0 parts by weight of organic-inorganic hybrid oligomer 601C-35 (Changxing Chemical Industry Co., Ltd. Co., Ltd., functionality 2, average molecular weight 800), while adding 5.0 parts by weight of UV-absorbing precursor UVP-3 (developed by China Lucky Film Group Corporation) and 10.0 parts by weight of hydrogen proton donor H-3 (China Lucky Film Group Co., Ltd.), and 1.2 parts by weight of leveling agent BYK 377 (manufactured by BYK Chemicals) and 2.8 ...

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Abstract

The invention relates to an anti-ultraviolet transparent hard coating film for in-mold decoration (IMD), which is formed by coating a transparent hard coating on a transparent substrate. The transparent hard coating comprises the following components in part by weight: 20 to 40 parts of polyester acrylate oligomer, 10 to 30 parts of organic-inorganic hybrid oligomer, 0.5 to 5 parts of ultravioletabsorption precursor, 1.0 to 10 parts of hydrogen proton donor, 0.5 to 7 parts of photoinitiator, 0.5 to 7 parts of active amine, 0.05 to 2 parts of leveling agent and 30 to 70 parts of solvent, wherein the thickness of the hard coating is 2 to 6mu m. The anti-ultraviolet transparent hard coating film solves the problems of ageing, yellowing, embrittlement and the like of a product irradiated by ultraviolet rays, solves the problems of oxygen inhibition and hydrogen proton consumption and ensures the formation of an ultraviolet absorbent; and the film meets the requirements of the IMD on forming and stretching by combining raw materials and controlling the thickness of the hard coating, and the stretching and forming height of the film can be 7 to 8mm at most but the film cannot be embrittled.

Description

technical field [0001] The invention belongs to the technical field of in-mold decoration (IMD), in particular to an anti-ultraviolet transparent cured film for in-mold decoration. Background technique [0002] In-mold decoration (IMD) refers to the process of forming a decorative pattern on the surface of the product when the product is injection molded in the mold. Generally, a film with a decorative pattern is formed in advance, and then the film with a decorative pattern is formed. Thermoforming to form a predetermined shape, the film is cut and then placed in the cavity of the injection molding mold, preferably molten material is injected into the cavity, the film is combined with the molten material to form a product with a decorative pattern. The appearance of products made by in-mold decoration has a stronger sense of reality than products that are patterned by painting after injection molding, and the pattern does not have any adverse phenomena such as fading or fal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B1/11G02B1/14
Inventor 郑文耀王志坚于佩强刘玉磊鲁若娜王宏伟李丽宋朝辉
Owner CHINA LUCKY FILM CORP