Adhesive for display, optical member, touch control panel, liquid crystal sealing agent or packaging agent and liquid crystal display unit
A technology for adhesives and displays, applied in non-polymer adhesive additives, adhesive types, adhesive additives, etc., can solve problems such as limitations
Inactive Publication Date: 2019-04-12
NIPPON KAYAKU CO LTD
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- Summary
- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, depending on the shape of the liquid crystal display device, it is difficult to irradiate ultraviolet rays from the side, so this method has limitations
Method used
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Embodiment
[0267] Hereinafter, the present invention will be described in more detail with examples, but the present invention is not limited to the examples. In addition, unless otherwise stated, "part" and "%" herein are based on mass.
Synthetic example 1
[0268] Synthesis Example 1 (Synthesis of Compound Represented by Formula (1) (Component (A)))
[0269] According to the description in Example 6 of JP-A-2017-105749, the compound (A-1) represented by the formula (1) was obtained.
Synthetic example 2
[0270] Synthesis Example 2 (Synthesis of Comparative Compound (A-2))
[0271] According to the record of Synthesis Example 1 of International Publication No. 2006 / 027982, 2-methacryloyloxyethyl isocyanate and 1-[4-(2-hydroxyethoxy)-phenyl]-2 -Reactant of hydroxy-2-methyl-1-propan-1-one.
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Abstract
The present invention relates to an adhesive for a display and an optical member. The present invention provides an adhesive for a display which has high sensitivity to light, is sufficiently hardenedby low-energy light, and has high hardenability in a portion that is not sufficiently illuminated. The binder for a display of the present invention contains the component (A): a photopolymerizationinitiator represented by the following formula (1); and the component (B): a binder for a display of a photopolymerizable compound; in the formula (1), X a residue obtained by removing n hydrogen atoms from a saturated hydrocarbon having a ring structure, or a substituent represented by the following formula (1-1); when X is a residue obtained by removing n hydrogen atoms from a saturated hydrocarbon having a ring structure; When n represents an integer of 1 to 6, and X is a substituent represented by the formula (1-1), n represents 1. R1 to R7 represent a predetermined substituent; in the formula (1-1), R8 represents an alkylene group or an arylene group; R9 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; and Y represents an oxygen atom or a sulfur atom.
Description
technical field [0001] The present invention relates to an adhesive for displays, and particularly relates to an adhesive for displays containing a photopolymerization initiator and a photopolymerizable compound containing a compound having a specific structure. adhesive adhesive Background technique [0002] The photocurable resin composition is widely used as an encapsulant for electronic components such as an encapsulant for a display, an encapsulant for a solar cell, and an encapsulant for a semiconductor. In terms of specific uses of the encapsulant for displays, for example: sealants or encapsulants for liquid crystals, encapsulants for organic EL displays, and adhesives for touch panels, etc., but in the above applications, it is required to have excellent It has the common characteristics of less outgassing while hardening and no damage to display components. [0003] It is generally known that a photocurable resin composition has an advantage of having excellent c...
Claims
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IPC IPC(8): C09J163/10C09J163/00C08F2/48G02F1/1341
CPCC08F2/48C09J163/10G02F1/1341C08L63/00C09J4/06C09J11/04C09J11/06C09J2203/318G02F1/1339G02F2202/28G06F3/041
Inventor 寺田究桑原博一桥本昌典
Owner NIPPON KAYAKU CO LTD
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