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Protection film and sheet

A technology of protective film and protective layer, which is applied in the direction of protective clothing, protective equipment, chemical instruments and methods, etc. It can solve the problems of white turbidity, reduce the design of printed matter, and different weather resistance, and achieve the effect of excellent weather resistance

Pending Publication Date: 2021-02-05
TOPPAN PRINTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a hydroxyphenyltriazine-based UV absorber is applied to a surface protective layer, not only the weather resistance differs depending on the structure of the UV absorber, but also cloudiness occurs, which may reduce the designability of printed matter

Method used

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  • Protection film and sheet
  • Protection film and sheet
  • Protection film and sheet

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0027] As a first embodiment of the present invention, using figure 1 The structure of the protective film 10 which provided the surface protective layer 12 on the transparent polyolefin resin layer 11 is demonstrated. In addition, in each of the drawings described below, the same reference numerals are given to corresponding parts, and the description of overlapping parts will be omitted as appropriate. In addition, this embodiment exemplifies the configuration for embodying the technical idea of ​​the present invention, and does not limit the material, shape, structure, arrangement, size, etc. of each part to the following description. The technical idea of ​​the present invention can be modified in various ways within the technical scope defined by the claims described in the claims.

[0028] (transparent polyolefin resin layer)

[0029] The protective film 10 according to this embodiment includes a transparent polyolefin resin layer 11 and a surface protection layer 12 f...

no. 2 approach

[0102] As a second embodiment of the present invention, using figure 2 A configuration in which the decorative sheet 40 is formed by bonding the protective film 10 according to the first embodiment to the base material 30 will be described.

[0103] The decorative sheet 40 is constituted by bonding a protective film 10 provided with a surface protective layer 12 and a transparent polyolefin resin layer 11 (ie, the protective film 10 according to the first embodiment) to a base material 30 via an adhesive layer 20 . It should be noted that, in figure 2 The decorative sheet 40 obtained by bonding the transparent polyolefin resin layer 11 with which the protective film 10 is equipped, and the pattern layer 32 with which the base material 30 which will be mentioned later via the adhesive layer 20 is shown in .

[0104] (Raw material)

[0105] The base material 30 includes a raw material 31 and a pattern layer 32 provided on one surface of the raw material 31 .

[0106] As the...

Embodiment

[0117] Hereinafter, examples and comparative examples are shown to describe the present invention in detail.

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Abstract

Provided are: a protection film that includes a transparent polyolefin resin layer and / or a surface protection layer, and that has excellent weather resistance and a low level of white cloudiness, which is a factor that impairs design properties; and a sheet using the protection film. The protection film (10) according to this embodiment comprises at least a transparent polyolefin resin layer (11), wherein the transparent polyolefin resin layer (11) contains a first hydroxyphenyl triazine UV absorbent (UVA-A) having a structure represented by general formula (1) (in general formula (1), R1-R3each independently represent a hydrogen atom, a methyl group, a phenyl group, or an alkoxy group, at least two of R1-R3 are an alkoxy group having 8-18 carbon atoms, R4 and R5 each independently represent a hydroxyl group, a methyl group, or a hydrogen atom, and R6-R8 each independently represent a methyl group or a hydrogen atom).

Description

technical field [0001] The present invention relates to a protective film and a sheet using the protective film. Background technique [0002] In the past, ordinary printed matter was not very resistant to ultraviolet rays, water, etc. Therefore, in applications such as outdoor decorative sheets and posters that require resistance to ultraviolet rays, water, etc. (weather resistance), a transparent protective film is provided on the surface in order to protect the printed matter. [0003] As a material for the transparent protective film, in addition to fluororesins and acrylic resins with excellent weather resistance, polyolefins, which are advantageous in terms of cost, are also used appropriately. However, since the weather resistance of polyolefins is often insufficient, they are generally used. Additives such as UV absorbers. As ultraviolet absorbers imparting excellent weather resistance, for example, hydroxyphenyltriazine compounds have been proposed (Patent Documen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/00B32B27/18C08J5/18C08K5/3492C09K3/00
CPCC08K5/3492C08J5/18C08G18/792C08G18/6254C09D175/04C08J2323/12B32B2255/10B32B7/12B32B2266/0235B32B27/16B32B27/308B32B2307/4023B32B27/306B32B27/18B32B27/34B32B2255/26B32B25/08B32B2419/00B32B2307/732B32B5/18B32B2266/025B32B2255/102B32B2260/028B32B27/302B32B2307/71B32B2266/0257B32B25/16B32B5/022B32B2260/046B32B2255/06B32B27/32B32B15/18B32B2255/02B32B25/14B32B27/40B32B2307/412B32B2266/0242B32B2590/00B32B27/365B32B2451/00B32B27/36B32B27/10B32B15/20B32B2266/0221B32B27/12B32B2307/712B32B27/065B32B2307/41B32B2266/0264B32B2571/00B32B15/085B32B2255/12B32B27/08C08K5/005C09D5/32C09D7/48C08L23/02C08K5/17C08J7/0427C08J2323/00C08J2475/04
Inventor 大久保透村田大辅
Owner TOPPAN PRINTING CO LTD