TW202028409A - Sealant for display element, cured product, vertical conductive material, and display element - Google Patents

Sealant for display element, cured product, vertical conductive material, and display element Download PDF

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TW202028409A
TW202028409A TW108136853A TW108136853A TW202028409A TW 202028409 A TW202028409 A TW 202028409A TW 108136853 A TW108136853 A TW 108136853A TW 108136853 A TW108136853 A TW 108136853A TW 202028409 A TW202028409 A TW 202028409A
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TWI826548B (en
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松井慶枝
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日商積水化學工業股份有限公司
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/064—Polymers containing more than one epoxy group per molecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
    • C08G59/4246—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof polymers with carboxylic terminal groups
    • C08G59/4253—Rubbers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/10—Materials in mouldable or extrudable form for sealing or packing joints or covers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

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  • Chemical & Material Sciences (AREA)
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  • Health & Medical Sciences (AREA)
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  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Sealing Material Composition (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The purpose of the present invention is to provide a sealant for a display element which can provide a display element having excellent moist heat resistance and excellent impact resistance. Another purpose of the present invention is to provide a cured product of the sealant for a display element, and a vertical conductive material and a display element using the sealant for a display element. The sealant for a display element of the present invention includes a curable resin and a polymerization initiator and/or a thermosetting agent, the cured product has a storage modulus at 25 DEG C of less than 0.8 GPa, and the cured product has a storage modulus at 121 DEG C of 0.01 GPa or more.

Description

顯示元件用密封劑、硬化物、上下導通材料、以及顯示元件Sealant for display element, hardened material, vertical conduction material, and display element

本發明係關於一種顯示元件用密封劑，其能獲得耐濕熱性優異且耐衝擊性優異之顯示元件。又，本發明係關於該顯示元件用密封劑之硬化物，以及使用該顯示元件用密封劑而成的上下導通材料及顯示元件。The present invention relates to a sealant for a display element, which can obtain a display element having excellent moisture and heat resistance and excellent impact resistance. In addition, the present invention relates to a cured product of the sealant for a display element, and a vertical conduction material and a display element using the sealant for the display element.

近年來，作為具有薄型、輕量、低電力消耗等特徵之顯示元件，液晶顯示元件及有機EL顯示元件被廣泛地利用。該等顯示元件中，通常，藉由使用硬化性樹脂組成物製成的密封劑進行液晶或發光層等的密封。 例如，作為液晶顯示元件，就產距時間（takt time）之縮短、液晶使用量之最佳化等觀點而言，如同專利文獻1、專利文獻2所揭露，使用光熱併用硬化型密封劑之液晶顯示元件被揭示。In recent years, liquid crystal display elements and organic EL display elements have been widely used as display elements featuring thinness, light weight, and low power consumption. In these display elements, generally, the liquid crystal, the light-emitting layer, etc. are sealed by a sealing agent made of a curable resin composition. For example, as a liquid crystal display element, from the viewpoints of shortening the takt time and optimizing the amount of liquid crystal used, as disclosed in Patent Document 1 and Patent Document 2, a liquid crystal using light and heat combined with a curable sealant is used. The display element is revealed.

然而，在行動電話、掌上遊戲機等各種附有顯示面板的攜帶裝置普及的現代，裝置之小型化係最欲解決之課題。 伴隨著如這般的裝置小型化，實行了顯示部之窄邊緣化。尤其，在液晶顯示元件中，像素區到密封劑之間的距離縮短，密封劑被配置於配向膜上之情形變多。However, in the modern era where various portable devices with display panels such as mobile phones and handheld game consoles are popular, miniaturization of the devices is the most desired problem. Along with the miniaturization of such devices, narrower edges of the display have been implemented. In particular, in the liquid crystal display element, the distance between the pixel region and the sealant is shortened, and the sealant is often arranged on the alignment film.

又，隨著攜帶裝置的普及，對於顯示元件出現了「即使受到落下等導致之來自外部的衝擊，也不會造成面板剝落等狀況的耐衝擊性」的要求。 再者，對於顯示元件亦要求對應121℃、100％RH、2atm之條件下之壓力鍋試驗（PCT）的性能，以作為在高溫高濕環境下的驅動等時的高度可靠性。為了得到具高度可靠性之顯示元件，必須將密封劑製成耐濕熱性優異者。 如這般，期待一種能使顯示元件之耐衝擊性提高且耐濕熱性優異之密封劑。 [先前技術文獻] [專利文獻]In addition, with the popularization of portable devices, there has been a demand for display elements that are "impact resistance that will not cause the panel to peel off even if they receive an external impact caused by a drop or the like". Furthermore, for display elements, the performance of the pressure cooker test (PCT) under the conditions of 121°C, 100% RH, and 2 atm is also required for high reliability when driving in a high temperature and high humidity environment. In order to obtain a high-reliability display element, the sealant must be one with excellent moisture and heat resistance. As such, a sealant that can improve the impact resistance of the display element and has excellent moisture and heat resistance is expected. [Prior Technical Literature] [Patent Literature]

專利文獻1：日本特開2001-133794號公報 專利文獻2：國際公開第02/092718號Patent Document 1: Japanese Patent Application Publication No. 2001-133794 Patent Document 2: International Publication No. 02/092718

[發明所欲解決之課題][The problem to be solved by the invention]

本發明之目的在於提供一種顯示元件用密封劑，其能獲得耐濕熱性優異且耐衝擊性優異之顯示元件。又，本發明之目的在於提供該顯示元件用密封劑之硬化物，以及使用該顯示元件用密封劑而成的上下導通材料及顯示元件。 [解決課題之技術手段]The object of the present invention is to provide a sealant for a display element, which can obtain a display element having excellent moisture and heat resistance and excellent impact resistance. In addition, an object of the present invention is to provide a cured product of the sealant for a display element, and a vertical conduction material and a display element using the sealant for a display element. [Technical means to solve the problem]

本發明為一種顯示元件用密封劑，其含有硬化性樹脂、聚合起始劑及/或熱硬化劑，上述顯示元件用密封劑之硬化物在25℃時其儲存彈性模數（storage elastic modulus）未滿0.8 GPa，上述顯示元件用密封劑之硬化物在121℃時其儲存彈性模數在0.01 GPa以上。 以下，對本發明進行詳述。The present invention is a sealant for display elements, which contains a curable resin, a polymerization initiator and/or a thermosetting agent, and the storage elastic modulus of the cured product of the sealant for display elements at 25°C (storage elastic modulus) Less than 0.8 GPa, the storage elastic modulus of the cured product of the above-mentioned display element sealant is 0.01 GPa or more at 121°C. Hereinafter, the present invention will be described in detail.

本發明者發現，藉由使硬化物在25℃時之儲存彈性模數成為未滿一特定值，且硬化物在121℃時之儲存彈性模數成為一特定值以上，能獲得一種顯示元件用密封劑，其能獲得耐濕熱性優異且耐衝擊性優異之顯示元件，進而完成本發明。 本發明的顯示元件用密封劑之「能獲得耐濕熱性優異且耐衝擊性優異之顯示元件」之效果，在本發明之顯示元件用密封劑被配置於液晶顯示元件之配向膜上之情形時被發揮得特別顯著。The inventors found that by making the storage elastic modulus of the cured product less than a specific value at 25°C and the storage elastic modulus of the cured product greater than a specific value at 121°C, a display device can be obtained. A sealant which can obtain a display element having excellent moisture and heat resistance and excellent impact resistance, and thus completed the present invention. The effect of the sealant for display elements of the present invention of "a display element with excellent moisture and heat resistance and excellent impact resistance" can be obtained when the sealant for display elements of the present invention is arranged on the alignment film of the liquid crystal display element Was played particularly prominently.

本發明之顯示元件用密封劑，其硬化物在25℃時之儲存彈性模數未滿0.8 GPa。由於上述硬化物在25℃時之儲存彈性模數未滿0.8 GPa，本發明之顯示元件用密封劑變得能夠獲得耐衝擊性優異之顯示元件，即使被配置於液晶顯示元件之配向膜上之情形，也變得能夠抑制來自外部之衝擊造成的面板剝落等。上述硬化物在25℃時之儲存彈性模數之上限較佳為0.75 GPa，更佳為0.7 GPa。 又，就使被接著體貼合時之接著性等之觀點而言，上述硬化物在25℃時之儲存彈性模數的下限較佳為0.05 GPa，更加為0.07 GPa。 再者，作為測定儲存彈性模數之硬化物，使用如下述般硬化而成者：於使用100 mW/cm2 紫外光對密封劑照射30秒鐘後，於120℃加熱1小時使其硬化。 又，上述儲存彈性模數，能使用動態黏彈性測定裝置，以試片寬度5 mm、厚度0.35 mm、抓持寬度25 mm、升溫速度10℃/分鐘、頻率10 Hz之條件進行測定。上述硬化物在25℃時之儲存彈性模數，能作為將硬化物自0℃開始升溫至200℃時於25℃之數值而被求得。後述硬化物在121℃時之儲存彈性模數，能作為將硬化物自0℃開始升溫至200℃時於121℃之數值而被求得。 作為上述動態黏彈性測定裝置，例如，可列舉DVA-200（IT Meter and Control公司製造）等。The sealant for display elements of the present invention has a storage elastic modulus of less than 0.8 GPa at 25°C of the cured product. Since the storage elastic modulus of the cured product at 25°C is less than 0.8 GPa, the sealant for display elements of the present invention can obtain display elements with excellent impact resistance, even if it is arranged on the alignment film of the liquid crystal display element. In this case, it becomes possible to suppress panel peeling caused by external impact. The upper limit of the storage elastic modulus of the hardened product at 25°C is preferably 0.75 GPa, more preferably 0.7 GPa. In addition, from the viewpoint of adhesiveness when bonding the adherend, etc., the lower limit of the storage elastic modulus of the cured product at 25°C is preferably 0.05 GPa, and more preferably 0.07 GPa. In addition, as the cured product for measuring the storage elastic modulus, a cured product was used: after irradiating the sealant with 100 mW/cm 2 ultraviolet light for 30 seconds, it was cured by heating at 120°C for 1 hour. In addition, the above-mentioned storage elastic modulus can be measured using a dynamic viscoelasticity measuring device under the conditions of a test piece width of 5 mm, a thickness of 0.35 mm, a gripping width of 25 mm, a heating rate of 10°C/min, and a frequency of 10 Hz. The storage elastic modulus of the cured product at 25°C can be obtained as the value at 25°C when the cured product is heated from 0°C to 200°C. The storage elastic modulus of the cured product described below at 121°C can be obtained as the value at 121°C when the cured product is heated from 0°C to 200°C. As the above-mentioned dynamic viscoelasticity measuring device, for example, DVA-200 (manufactured by IT Meter and Control Corporation) and the like can be cited.

本發明之顯示元件用密封劑，其硬化物在121℃時之儲存彈性模數之下限為0.01 GPa。藉由上述硬化物在121℃時之儲存彈性模數在0.01 GPa以上，本發明之顯示元件用密封劑之耐濕熱性變得優異。上述硬化物在121℃時之儲存彈性模數之下限較佳為0.02 GPa，更佳為0.03 GPa。The lower limit of the storage elastic modulus of the cured product of the sealant for display elements of the present invention is 0.01 GPa at 121°C. When the storage elastic modulus of the cured product at 121°C is 0.01 GPa or more, the sealant for display elements of the present invention has excellent moisture and heat resistance. The lower limit of the storage elastic modulus of the cured product at 121°C is preferably 0.02 GPa, more preferably 0.03 GPa.

本發明之顯示元件用密封劑含有硬化性樹脂。 在本發明之顯示元件用密封劑中，作為將硬化物在25℃及121℃時之儲存彈性模數設為各自之上述範圍之方法，較佳為，作為硬化性樹脂使用具有環氧基及橡膠結構之化合物（以下，亦稱為｢具有橡膠結構之環氧化合物｣），並調整其含有比例。 再者，在本說明書中，上述｢橡膠結構｣，係指藉由在生橡膠中加入硫而形成之硫化橡膠結構、利用藉由加成聚合而在分子主鏈內形成之雙鍵所致之合成橡膠結構、藉由使用過氧化物使聚甲基矽氧烷交聯等形成之聚矽氧橡膠結構等，發揮橡膠彈性之結構。The sealing compound for a display element of the present invention contains a curable resin. In the sealing agent for display elements of the present invention, as a method of setting the storage elastic modulus of the cured product at 25°C and 121°C to the respective above-mentioned ranges, it is preferable to use as the curable resin having an epoxy group and Rubber structure compound (hereinafter, also referred to as "rubber structure epoxy compound"), and adjust its content. Furthermore, in this specification, the above-mentioned "rubber structure" refers to a vulcanized rubber structure formed by adding sulfur to raw rubber, and a synthesis resulting from the use of double bonds formed in the main chain of the molecule by addition polymerization Rubber structure, polysilicone rubber structure formed by crosslinking polymethylsiloxane with peroxide, etc., a structure that exerts rubber elasticity.

上述橡膠結構較佳為於主鏈具有不飽和鍵之結構，或是於主鏈具有聚矽氧烷骨架之結構。 作為上述於主鏈具有不飽和鍵之結構，例如可列舉：於主鏈具有因共軛二烯之聚合而產生之骨架之結構等。 作為上述因共軛二烯之聚合而產生之骨架，例如可列舉：聚丁二烯骨架、聚異戊二烯骨架、苯乙烯-丁二烯骨架、聚異丁烯骨架、聚氯丁二烯骨架等。 其中，上述橡膠結構更佳為具有聚丁二烯骨架、聚異戊二烯骨架、或是聚矽氧烷骨架之結構。The above-mentioned rubber structure is preferably a structure having an unsaturated bond in the main chain, or a structure having a polysiloxane skeleton in the main chain. As the above-mentioned structure having an unsaturated bond in the main chain, for example, a structure having a skeleton generated by polymerization of a conjugated diene in the main chain, etc. can be cited. Examples of the above-mentioned skeleton generated by the polymerization of conjugated diene include polybutadiene skeleton, polyisoprene skeleton, styrene-butadiene skeleton, polyisobutylene skeleton, polychloroprene skeleton, etc. . Among them, the above-mentioned rubber structure is more preferably a structure having a polybutadiene skeleton, a polyisoprene skeleton, or a polysiloxane skeleton.

上述具有橡膠結構之環氧化合物之分子量之較佳下限為100，較佳上限為1萬。藉由使上述具有橡膠結構之環氧化合物之分子量為該範圍，所獲得的顯示元件用密封劑成為硬化物之柔軟性更加優異者。上述具有橡膠結構之環氧化合物之分子量的更佳下限為200，更佳上限為5000。 再者，於本說明書中，上述「分子量」對於分子結構被特定出之化合物而言，係根據結構式而求出者，但對於聚合度之分佈較廣之化合物及改質部位不特定之化合物而言，有時使用重量平均分子量表示。又，上述「重量平均分子量」係利用凝膠滲透層析法（GPC）使用四氫呋喃作為溶劑進行測定，根據聚苯乙烯換算求出之值。作為利用GPC測定根據聚苯乙烯換算之重量平均分子量時所使用之管柱，例如可列舉：Shodex LF-804（昭和電工公司製造）等。The preferred lower limit of the molecular weight of the epoxy compound having a rubber structure is 100, and the preferred upper limit is 10,000. By setting the molecular weight of the epoxy compound having a rubber structure in this range, the obtained sealant for a display element has more excellent flexibility of the cured product. The lower limit of the molecular weight of the epoxy compound having a rubber structure is more preferably 200, and the upper limit is more preferably 5,000. Furthermore, in this specification, the above-mentioned "molecular weight" is determined based on the structural formula for the compound whose molecular structure is specified, but for the compound whose degree of polymerization is widely distributed and the compound whose modified site is not specified In other words, sometimes expressed by weight average molecular weight. In addition, the above-mentioned "weight average molecular weight" is a value determined by gel permeation chromatography (GPC) using tetrahydrofuran as a solvent and calculated in terms of polystyrene. As a column used when measuring the weight average molecular weight in terms of polystyrene by GPC, for example, Shodex LF-804 (manufactured by Showa Denko Co., Ltd.) can be cited.

作為上述具有橡膠結構之環氧化合物，具體而言，例如可列舉：含封端胺基之丁二烯-丙烯腈（ATBN）改質環氧樹脂、含封端羧基之丁二烯-丙烯腈（CTBN）改質環氧樹脂、丙烯腈-丁二烯橡膠（NBR）改質環氧樹脂、環氧改質異戊二烯橡膠、環氧改質丁二烯橡膠、環氧改質氯丁二烯橡膠、環氧改質聚矽氧橡膠等。上述具有橡膠結構之環氧化合物可單獨地使用，亦可組合2種以上使用。Specific examples of the above-mentioned epoxy compound having a rubber structure include: butadiene-acrylonitrile (ATBN) modified epoxy resin containing blocked amino groups, and butadiene-acrylonitrile containing blocked carboxyl groups (CTBN) modified epoxy resin, acrylonitrile-butadiene rubber (NBR) modified epoxy resin, epoxy modified isoprene rubber, epoxy modified butadiene rubber, epoxy modified chloroprene Diene rubber, epoxy modified silicone rubber, etc. The above-mentioned epoxy compounds having a rubber structure may be used alone or in combination of two or more kinds.

上述硬化性樹脂全部100重量份中上述具有橡膠結構之環氧化合物之含量較佳下限為3重量份，較佳上限為30重量份。藉由上述具有橡膠結構之環氧化合物之含量為該範圍，容易將所獲得之顯示元件用密封劑之硬化物在25℃及121℃之儲存彈性模數各自設為上述範圍。上述具有橡膠結構之環氧化合物之含量之更佳下限為5重量份，更佳上限為25重量份。The lower limit of the content of the epoxy compound having a rubber structure in the total 100 parts by weight of the curable resin is preferably 3 parts by weight, and the upper limit is preferably 30 parts by weight. When the content of the epoxy compound having a rubber structure is in this range, it is easy to set the storage elastic modulus at 25°C and 121°C of the obtained cured product of the sealant for display elements into the above-mentioned ranges. The lower limit of the content of the epoxy compound having the rubber structure is more preferably 5 parts by weight, and the upper limit is more preferably 25 parts by weight.

基於儲存彈性模數的調整、或者進一步提高使被接著體貼合時之接著性或用於液晶顯示元件之情形之低液晶汙染性等目的，上述硬化性樹脂較佳為含有上述具有橡膠結構之環氧化合物以外之其他硬化性樹脂。作為上述其他硬化性樹脂，除上述具有橡膠結構之環氧化合物以外之其他環氧化合物或（甲基）丙烯酸化合物亦被較佳地使用。 再者，於本說明書中，上述所謂「（甲基）丙烯酸」係指丙烯酸或甲基丙烯酸，上述所謂「（甲基）丙烯酸化合物」係指具有（甲基）丙烯醯基之化合物。For the purpose of adjusting the storage elastic modulus, or to further improve the adhesiveness when bonding the adherend or the low liquid crystal contamination when used in liquid crystal display elements, the curable resin preferably contains the above-mentioned rubber structure ring Curable resins other than oxygen compounds. As the aforementioned other curable resin, other epoxy compounds or (meth)acrylic compounds other than the aforementioned epoxy compound having a rubber structure are also preferably used. In addition, in this specification, the above-mentioned "(meth)acrylic acid" means acrylic acid or methacrylic acid, and the above-mentioned "(meth)acrylic compound" means a compound having a (meth)acryloyl group.

作為上述其他環氧化合物，例如可列舉：雙酚A型環氧樹脂、雙酚F型環氧樹脂、雙酚E型環氧樹脂、雙酚S型環氧樹脂、2,2' -二烯丙基雙酚A型環氧樹脂、氫化雙酚型環氧樹脂、環氧丙烷加成雙酚A型環氧樹脂、間苯二酚型環氧樹脂、聯苯型環氧樹脂、硫醚型環氧樹脂、二苯醚型環氧樹脂、二環戊二烯型環氧樹脂、萘型環氧樹脂、苯酚酚醛清漆型環氧樹脂、鄰甲酚酚醛清漆型環氧樹脂、二環戊二烯酚醛清漆型環氧樹脂、聯苯酚醛清漆型環氧樹脂、萘酚酚醛清漆型環氧樹脂、環氧丙基胺型環氧樹脂、烷基多元醇型環氧樹脂、環氧丙基酯化合物等。。Examples of the other epoxy compound include: bisphenol A type epoxy resins, bisphenol F epoxy resin, bisphenol E type epoxy resins, bisphenol S type epoxy resins, 2,2 '- diene Propyl bisphenol A type epoxy resin, hydrogenated bisphenol type epoxy resin, propylene oxide addition bisphenol A type epoxy resin, resorcinol type epoxy resin, biphenyl type epoxy resin, thioether type Epoxy resin, diphenyl ether type epoxy resin, dicyclopentadiene type epoxy resin, naphthalene type epoxy resin, phenol novolac type epoxy resin, o-cresol novolak type epoxy resin, dicyclopentadiene type epoxy resin Ethylene novolac type epoxy resin, biphenol novolac type epoxy resin, naphthol novolac type epoxy resin, epoxy propyl amine type epoxy resin, alkyl polyol type epoxy resin, epoxy propyl ester Compound etc. .

作為上述雙酚A型環氧樹脂中之市售品，例如可列舉jER828EL、jER1004（皆為三菱化學公司製造）、EPICLON850CRP（DIC公司製造）等。 作為上述雙酚F型環氧樹脂中之市售品，例如可列舉jER806、jER4004（皆為三菱化學公司製造）等。 作為上述雙酚E型環氧樹脂中之市售品，例如可列舉R710（Printec公司製造）等。 作為上述雙酚S型環氧樹脂中之市售品，例如可列舉EPICLON EXA1514（DIC公司製造）等。 作為上述2,2' -二烯丙基雙酚A型環氧樹脂中之市售品，例如可列舉RE-810NM（日本化藥公司製造）等。 作為上述氫化雙酚型環氧樹脂中之市售品，例如可列舉EPICLON EXA7015（DIC公司製造）等。 作為上述環氧丙烷加成雙酚A型環氧樹脂中之市售品，例如可列舉EP-4000S（ADEKA公司製造）等。 作為上述間苯二酚型環氧樹脂中之市售品，例如可列舉EX-201（長瀨化成公司製造）等。 作為上述聯苯型環氧樹脂中之市售品，例如可列舉jER YX-4000H（三菱化學公司製造）等。 作為上述硫醚型環氧樹脂中之市售品，例如可列舉YSLV-50TE（新日鐡住金化學公司製造）等。 作為上述二苯醚型環氧樹脂中之市售品，例如可列舉YSLV-80DE（新日鐡住金化學公司製造）等。 作為上述二環戊二烯型環氧樹脂中之市售品，例如可列舉EP-4088S（ADEKA公司製造）等。 作為上述萘型環氧樹脂中之市售品，例如可列舉EPICLON HP4032、EPICLON EXA-4700（皆為DIC公司製造）等。 作為上述苯酚酚醛清漆型環氧樹脂中之市售品，例如可列舉EPICLON N-770（DIC公司製造）等。 作為上述鄰甲酚酚醛清漆型環氧樹脂中之市售品，例如可列舉EPICLON N-670-EXP-S（DIC公司製造）等。 作為上述二環戊二烯酚醛清漆型環氧樹脂中之市售品，例如可列舉EPICLON HP7200（DIC公司製造）等。 作為上述聯苯酚醛清漆型環氧樹脂中之市售品，例如可列舉NC-3000P（日本化藥公司製造）等。 作為上述萘酚酚醛清漆型環氧樹脂中之市售品，例如可列舉ESN-165S（新日鐡住金化學公司製造）等。 作為上述環氧丙基胺型環氧樹脂中之市售品，例如可列舉jER630（三菱化學公司製造）、EPICLON430（DIC公司製造）、TETRAD-X（三菱氣體化學公司製造）等。 作為上述烷基多元醇型環氧樹脂中之市售品，例如可列舉ZX-1542（新日鐡住金化學公司製造）、EPICLON726（DIC公司製造）、EPOLIGHT80MFA（共榮社化學公司製造）、DENACOL EX-611（長瀨化成公司製造）等。 作為上述環氧丙基酯化合物中之市售品，例如可列舉DENACOL EX-147（長瀨化成公司製造）等。 作為上述環氧化合物中之其他之市售品，例如可列舉YDC-1312、YSLV-80XY、YSLV-90CR（皆為新日鐡住金化學公司製造）、XAC4151（Asahi KASEI公司製造）、jER1031、jER1032（皆為三菱化學公司製造）、EXA-7120（DIC公司製造）、TEPIC（NISSAN化學公司製造）等。Examples of commercially available products among the above-mentioned bisphenol A epoxy resins include jER828EL, jER1004 (all manufactured by Mitsubishi Chemical Corporation), EPICLON850CRP (manufactured by DIC Corporation), and the like. As a commercial item among the said bisphenol F type epoxy resin, jER806, jER4004 (all are manufactured by Mitsubishi Chemical Corporation) etc. are mentioned, for example. As a commercial item among the said bisphenol E type epoxy resin, R710 (made by Printec) etc. are mentioned, for example. As a commercial item among the said bisphenol S-type epoxy resin, EPICLON EXA1514 (made by DIC Corporation) etc. are mentioned, for example. Examples of the 2,2 '- diallyl bisphenol A type epoxy resin commercial products of, for example, RE-810NM (manufactured by Nippon Kayaku Co., Ltd.) and the like. As a commercial item among the said hydrogenated bisphenol-type epoxy resin, EPICLON EXA7015 (made by DIC Corporation) etc. are mentioned, for example. As a commercial item among the said propylene oxide addition bisphenol A type epoxy resin, EP-4000S (made by ADEKA company) etc. are mentioned, for example. Examples of commercially available products among the above resorcinol-type epoxy resins include EX-201 (manufactured by Nagase Kasei Co., Ltd.). As a commercial item among the said biphenyl type epoxy resin, jER YX-4000H (made by Mitsubishi Chemical Corporation) etc. are mentioned, for example. As a commercially available product among the above-mentioned thioether epoxy resins, for example, YSLV-50TE (manufactured by Nippon Sumikin Chemical Co., Ltd.) and the like can be cited. Examples of commercially available products among the above-mentioned diphenyl ether type epoxy resins include YSLV-80DE (manufactured by Nippon Sumikin Chemical Co., Ltd.). As a commercial item among the said dicyclopentadiene-type epoxy resin, EP-4088S (made by ADEKA company) etc. are mentioned, for example. Examples of commercially available products among the naphthalene-type epoxy resins include EPICLON HP4032, EPICLON EXA-4700 (all manufactured by DIC Corporation), and the like. As a commercial item among the said phenol novolak type epoxy resin, EPICLON N-770 (made by DIC Corporation) etc. are mentioned, for example. As a commercial item among the said ortho-cresol novolak type epoxy resin, EPICLON N-670-EXP-S (made by DIC Corporation) etc. are mentioned, for example. As a commercial item among the said dicyclopentadiene novolak-type epoxy resin, EPICLON HP7200 (made by DIC Corporation) etc. are mentioned, for example. Examples of commercially available products among the above-mentioned biphenol novolak type epoxy resins include NC-3000P (manufactured by Nippon Kayaku Co., Ltd.). Examples of commercially available products among the naphthol novolak type epoxy resins include ESN-165S (manufactured by Nippon Sumikin Chemical Co., Ltd.). Examples of commercially available products among the above-mentioned glycidylamine-type epoxy resins include jER630 (manufactured by Mitsubishi Chemical Corporation), EPICLON430 (manufactured by DIC Corporation), TETRAD-X (manufactured by Mitsubishi Gas Chemical Corporation), and the like. Examples of commercially available products among the aforementioned alkyl polyol type epoxy resins include ZX-1542 (manufactured by Nippon Sumikin Chemical Co., Ltd.), EPICLON726 (manufactured by DIC Corporation), EPOLIGHT80MFA (manufactured by Kyoeisha Chemical Co., Ltd.), DENACOL EX-611 (manufactured by Nagase Chemical Co., Ltd.), etc. As a commercial item among the said glycidyl ester compounds, DENACOL EX-147 (manufactured by Nagase Kasei Co., Ltd.) etc. are mentioned, for example. As other commercially available products among the above-mentioned epoxy compounds, for example, YDC-1312, YSLV-80XY, YSLV-90CR (all manufactured by Nippon Sumikin Chemical Co., Ltd.), XAC4151 (manufactured by Asahi KASEI), jER1031, jER1032 (All are manufactured by Mitsubishi Chemical Corporation), EXA-7120 (manufactured by DIC Corporation), TEPIC (manufactured by Nissan Chemical Corporation), etc.

又，上述硬化性樹脂，亦可含有在1分子中具有環氧基及（甲基）丙烯醯基之化合物來作為上述其他環氧化合物。作為此種化合物，例如可列舉部分（甲基）丙烯酸改質環氧樹脂等，其藉由使在1分子中有2個以上環氧基之環氧化合物之一部分的環氧基與（甲基）丙烯酸反應而獲得。Moreover, the said curable resin may contain the compound which has an epoxy group and a (meth)acryl group in 1 molecule as the said other epoxy compound. As such a compound, for example, a partial (meth)acrylic modified epoxy resin, etc. can be exemplified by combining the epoxy group of a part of an epoxy compound having two or more epoxy groups in one molecule with (methyl) ) Acrylic acid is obtained by reaction.

作為上述部分（甲基）丙烯酸改質環氧樹脂中之市售品，例如可列舉：UVACURE1561、KRM8287（皆為Daicel-Allnex公司製造）等。As commercially available products among the above-mentioned partially (meth)acrylic modified epoxy resins, for example, UVACURE1561, KRM8287 (all manufactured by Daicel-Allnex), etc. can be cited.

作為上述（甲基）丙烯酸化合物，例如可列舉：環氧（甲基）丙烯酸酯、（甲基）丙烯酸酯化合物、胺酯（甲基）丙烯酸酯（urethane （meth）acrylate）等。其中較佳為環氧（甲基）丙烯酸酯。又，上述其他（甲基）丙烯酸化合物，就高反應性的觀點而言，較佳為分子中具有2個以上（甲基）丙烯醯基。 再者，於本說明書中，上述所謂「（甲基）丙烯酸酯」係指丙烯酸酯或甲基丙烯酸酯，上述所謂「環氧（甲基）丙烯酸酯」係指使環氧化合物中之全部環氧基與（甲基）丙烯酸反應而成之化合物。As said (meth)acrylic compound, epoxy (meth)acrylate, (meth)acrylate compound, urethane (meth)acrylate (urethane (meth)acrylate), etc. are mentioned, for example. Among them, epoxy (meth)acrylate is preferred. In addition, the above-mentioned other (meth)acrylic compound preferably has two or more (meth)acryloyl groups in the molecule from the viewpoint of high reactivity. Furthermore, in this specification, the above-mentioned "(meth)acrylate" means acrylate or methacrylate, and the above-mentioned "epoxy (meth)acrylate" means that all epoxy compounds in the epoxy compound A compound formed by the reaction of a base and (meth)acrylic acid.

上述環氧（甲基）丙烯酸酯，可藉由將環氧化合物與（甲基）丙烯酸依照常規方法，在鹼性觸媒的存在下反應而合成。The epoxy (meth)acrylate can be synthesized by reacting an epoxy compound and (meth)acrylic acid in the presence of a basic catalyst in accordance with a conventional method.

作為成為用以合成上述環氧（甲基）丙烯酸酯之原料之環氧化合物，可使用與上述具有橡膠結構之環氧化合物或其他環氧化合物相同者。As the epoxy compound used as a raw material for synthesizing the above-mentioned epoxy (meth)acrylate, the same epoxy compound as the above-mentioned epoxy compound having a rubber structure or other epoxy compounds can be used.

作為上述環氧（甲基）丙烯酸酯中之市售品，例如可列舉：Daicel-Allnex公司製造之環氧（甲基）丙烯酸酯、新中村化學工業公司製造之環氧（甲基）丙烯酸酯、共榮社化學公司製造之環氧（甲基）丙烯酸酯、長瀨化成公司製造之環氧（甲基）丙烯酸酯等。 作為上述Daicel-Allnex公司製造之環氧（甲基）丙烯酸酯，例如可列舉：EBECRYL860、EBECRYL3200、EBECRYL3201、EBECRYL3412、EBECRYL3600、EBECRYL3700、EBECRYL3701、EBECRYL3702、EBECRYL3703、EBECRYL3708、EBECRYL3800、EBECRYL6040、EBECRYL RDX63182等。 作為上述新中村化學工業公司製造之環氧（甲基）丙烯酸酯，例如可列舉：EA-1010、EA-1020、EA-5323、EA-5520、EA-CHD、EMA-1020等。 作為上述共榮社化學公司製造之環氧（甲基）丙烯酸酯，例如可列舉：EPOXY ESTER M-600A、EPOXY ESTER 40EM、EPOXY ESTER 70PA、EPOXY ESTER 200PA、EPOXY ESTER 80MFA、EPOXY ESTER 3002M、EPOXY ESTER 3002A、EPOXY ESTER 1600A、EPOXY ESTER 3000M、EPOXY ESTER 3000A、EPOXY ESTER 200EA、EPOXY ESTER 400EA等。 作為上述長瀨化成公司製造之環氧（甲基）丙烯酸酯，例如可列舉：DENACOL ACRYLATE DA-141、DENACOL ACRYLATE DA-314、DENACOL ACRYLATE DA-911等。Examples of commercially available products among the above epoxy (meth)acrylates include epoxy (meth)acrylate manufactured by Daicel-Allnex, and epoxy (meth)acrylate manufactured by Shinnakamura Chemical Industry Co., Ltd. , Epoxy (meth)acrylate manufactured by Kyoeisha Chemical Co., Ltd., epoxy (meth)acrylate manufactured by Nagase Chemical Co., Ltd., etc. Examples of the epoxy (meth)acrylate manufactured by Daicel-Allnex include EBECRYL860, EBECRYL3200, EBECRYL3201, EBECRYL3412, EBECRYL3600, EBECRYL3700, EBECRYL3701, EBECRYL3702, EBECRYL3703, EBECRYL3708, EBECRYL R6040, EBECRYL DX63, etc. Examples of the epoxy (meth)acrylate produced by Shinnakamura Chemical Industry Co., Ltd. include EA-1010, EA-1020, EA-5323, EA-5520, EA-CHD, and EMA-1020. Examples of the epoxy (meth)acrylate manufactured by the above-mentioned Kyoeisha Chemical Company include: EPOXY ESTER M-600A, EPOXY ESTER 40EM, EPOXY ESTER 70PA, EPOXY ESTER 200PA, EPOXY ESTER 80MFA, EPOXY ESTER 3002M, EPOXY ESTER 3002A, EPOXY ESTER 1600A, EPOXY ESTER 3000M, EPOXY ESTER 3000A, EPOXY ESTER 200EA, EPOXY ESTER 400EA, etc. Examples of the epoxy (meth)acrylate produced by the Nagase Chemical Co., Ltd. include DENACOL ACRYLATE DA-141, DENACOL ACRYLATE DA-314, and DENACOL ACRYLATE DA-911.

作為上述（甲基）丙烯酸酯化合物中單官能之化合物，例如可列舉：（甲基）丙烯酸甲酯、（甲基）丙烯酸乙酯、（甲基）丙烯酸丙酯、（甲基）丙烯酸正丁酯、（甲基）丙烯酸異丁酯、（甲基）丙烯酸第三丁酯、（甲基）丙烯酸2-乙基己酯、（甲基）丙烯酸正辛酯、（甲基）丙烯酸異辛酯、（甲基）丙烯酸異壬酯、（甲基）丙烯酸異癸酯、（甲基）丙烯酸月桂酯、（甲基）丙烯酸異肉豆蔻酯、（甲基）丙烯酸硬脂酯、（甲基）丙烯酸2-羥基乙酯、（甲基）丙烯酸2-羥基丙酯、（甲基）丙烯酸2-羥基丁酯、（甲基）丙烯酸4-羥基丁酯、（甲基）丙烯酸2-羥基-3-苯氧基丙酯、（甲基）丙烯酸環己酯、（甲基）丙烯酸異莰酯、（甲基）丙烯酸雙環戊烯酯、（甲基）丙烯酸苄酯、（甲基）丙烯酸2-甲氧基乙酯、（甲基）丙烯酸2-乙氧基乙酯、（甲基）丙烯酸2-丁氧基乙酯、（甲基）丙烯酸2-苯氧基乙酯、甲氧基乙二醇（甲基）丙烯酸酯、甲氧基聚乙二醇（甲基）丙烯酸酯、苯氧基二乙二醇（甲基）丙烯酸酯、苯氧基聚乙二醇（甲基）丙烯酸酯、（甲基）丙烯酸四氫呋喃甲酯、乙基卡必醇（甲基）丙烯酸酯、（甲基）丙烯酸2,2,2-三氟乙酯、（甲基）丙烯酸2,2,3,3-四氟丙酯、（甲基）丙烯酸1H,1H,5H-八氟戊酯、（甲基）丙烯酸亞胺酯、（甲基）丙烯酸二甲基胺基乙酯、（甲基）丙烯酸二乙基胺基乙酯、2-（甲基）丙烯醯氧基乙基琥珀酸、2-（甲基）丙烯醯氧基乙基六氫酞酸、2-（甲基）丙烯醯氧基乙基2-羥基丙基酞酸酯、磷酸2-（甲基）丙烯醯氧基乙酯、（甲基）丙烯酸環氧丙酯等。Examples of monofunctional compounds among the above-mentioned (meth)acrylate compounds include: methyl (meth)acrylate, ethyl (meth)acrylate, propyl (meth)acrylate, n-butyl (meth)acrylate Ester, isobutyl (meth)acrylate, tertiary butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, n-octyl (meth)acrylate, isooctyl (meth)acrylate , Isononyl (meth)acrylate, isodecyl (meth)acrylate, lauryl (meth)acrylate, isomyristyl (meth)acrylate, stearyl (meth)acrylate, (meth) 2-hydroxyethyl acrylate, 2-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, 2-hydroxy-3 (meth)acrylate -Phenoxypropyl ester, cyclohexyl (meth)acrylate, isobornyl (meth)acrylate, dicyclopentenyl (meth)acrylate, benzyl (meth)acrylate, (meth)acrylate 2- Methoxyethyl, 2-ethoxyethyl (meth)acrylate, 2-butoxyethyl (meth)acrylate, 2-phenoxyethyl (meth)acrylate, methoxyethylene Alcohol (meth)acrylate, methoxy polyethylene glycol (meth) acrylate, phenoxy diethylene glycol (meth) acrylate, phenoxy polyethylene glycol (meth) acrylate, Tetrahydrofuran methyl (meth)acrylate, ethyl carbitol (meth)acrylate, 2,2,2-trifluoroethyl (meth)acrylate, 2,2,3,3-(meth)acrylate Tetrafluoropropyl ester, 1H,1H,5H-octafluoropentyl (meth)acrylate, imino (meth)acrylate, dimethylaminoethyl (meth)acrylate, diethyl (meth)acrylate 2-(meth)acryloyloxyethyl succinic acid, 2-(meth)acryloyloxyethylhexahydrophthalic acid, 2-(meth)acryloyloxyethyl 2-Hydroxypropyl phthalate, 2-(meth)acryloxyethyl phosphate, glycidyl (meth)acrylate, etc.

又，作為上述（甲基）丙烯酸酯化合物中雙官能之化合物，例如可列舉：1,3-丁二醇二（甲基）丙烯酸酯、1,4-丁二醇二（甲基）丙烯酸酯、1,6-己二醇二（甲基）丙烯酸酯、1,9-壬二醇二（甲基）丙烯酸酯、1,10-癸二醇二（甲基）丙烯酸酯、乙二醇二（甲基）丙烯酸酯、二乙二醇二（甲基）丙烯酸酯、四乙二醇二（甲基）丙烯酸酯、聚乙二醇二（甲基）丙烯酸酯、2-正丁基-2-乙基-1,3-丙二醇二（甲基）丙烯酸酯、二丙二醇二（甲基）丙烯酸酯、三丙二醇二（甲基）丙烯酸酯、聚丙二醇二（甲基）丙烯酸酯、新戊二醇二（甲基）丙烯酸酯、環氧乙烷加成雙酚A二（甲基）丙烯酸酯、環氧丙烷加成雙酚A二（甲基）丙烯酸酯、環氧乙烷加成雙酚F二（甲基）丙烯酸酯、二羥甲基雙環戊二烯基二（甲基）丙烯酸酯、環氧乙烷改質異三聚氰酸二（甲基）丙烯酸酯、（甲基）丙烯酸2-羥基-3-（甲基）丙烯醯氧基丙酯、碳酸酯二醇二（甲基）丙烯酸酯、聚醚二元醇二（甲基）丙烯酸酯、聚酯二元醇二（甲基）丙烯酸酯、聚己內酯二元醇二（甲基）丙烯酸酯、聚丁二烯二元醇二（甲基）丙烯酸酯等。In addition, examples of the bifunctional compound among the above-mentioned (meth)acrylate compounds include 1,3-butanediol di(meth)acrylate and 1,4-butanediol di(meth)acrylate , 1,6-hexanediol di(meth)acrylate, 1,9-nonanediol di(meth)acrylate, 1,10-decanediol di(meth)acrylate, ethylene glycol two (Meth)acrylate, diethylene glycol di(meth)acrylate, tetraethylene glycol di(meth)acrylate, polyethylene glycol di(meth)acrylate, 2-n-butyl-2 -Ethyl-1,3-propanediol di(meth)acrylate, dipropylene glycol di(meth)acrylate, tripropylene glycol di(meth)acrylate, polypropylene glycol di(meth)acrylate, neopentyl diacrylate Alcohol di(meth)acrylate, ethylene oxide addition bisphenol A di(meth)acrylate, propylene oxide addition bisphenol A di(meth)acrylate, ethylene oxide addition bisphenol F di(meth)acrylate, dimethylol dicyclopentadienyl di(meth)acrylate, ethylene oxide modified isocyanuric acid di(meth)acrylate, (meth)acrylic acid 2-hydroxy-3-(meth)acryloyloxypropyl ester, carbonate diol di(meth)acrylate, polyether diol di(meth)acrylate, polyester diol di(meth)acrylate Base) acrylate, polycaprolactone diol di(meth)acrylate, polybutadiene diol di(meth)acrylate, etc.

又，作為上述（甲基）丙烯酸酯化合物中三官能以上之化合物，例如可列舉：三羥甲基丙烷三（甲基）丙烯酸酯、環氧乙烷加成三羥甲基丙烷三（甲基）丙烯酸酯、環氧丙烷加成三羥甲基丙烷三（甲基）丙烯酸酯、己內酯改質三羥甲基丙烷三（甲基）丙烯酸酯、環氧乙烷加成異三聚氰酸三（甲基）丙烯酸酯、甘油三（甲基）丙烯酸酯、環氧丙烷加成甘油三（甲基）丙烯酸酯、新戊四醇三（甲基）丙烯酸酯、磷酸三（甲基）丙烯醯氧基乙酯、二-三羥甲基丙烷四（甲基）丙烯酸酯、新戊四醇四（甲基）丙烯酸酯、二新戊四醇五（甲基）丙烯酸酯、二新戊四醇六（甲基）丙烯酸酯等。In addition, examples of compounds having trifunctional or higher functions among the above-mentioned (meth)acrylate compounds include trimethylolpropane tri(meth)acrylate, ethylene oxide addition trimethylolpropane tri(methyl) ) Acrylate, propylene oxide addition trimethylolpropane tri(meth)acrylate, caprolactone modification trimethylolpropane tri(meth)acrylate, ethylene oxide addition isocyanuric acid Acid tri(meth)acrylate, glycerol tri(meth)acrylate, propylene oxide addition glycerol tri(meth)acrylate, neopentylerythritol tri(meth)acrylate, phosphoric acid tri(meth) Acrylic oxyethyl, di-trimethylolpropane tetra(meth)acrylate, neopentyl erythritol tetra(meth)acrylate, dineopentyl pentaerythritol penta(meth)acrylate, dineopentyl Tetraol hexa(meth)acrylate etc.

上述胺酯（甲基）丙烯酸酯，例如可藉由使異氰酸酯化合物與具有羥基之（甲基）丙烯酸衍生物，在觸媒量之錫系化合物的存在下反應而得。The amine ester (meth)acrylate can be obtained, for example, by reacting an isocyanate compound and a (meth)acrylic acid derivative having a hydroxyl group in the presence of a catalytic amount of a tin-based compound.

作為上述異氰酸酯化合物，例如可列舉：異佛爾酮二異氰酸酯、2,4-二異氰酸甲苯酯、2,6-二異氰酸甲苯酯、六亞甲基二異氰酸酯、三甲基六亞甲基二異氰酸酯、二苯基甲烷-4,4’-二異氰酸酯（MDI）、氫化MDI、聚合MDI、1,5-萘二異氰酸酯、降莰烷二異氰酸酯、聯甲苯胺二異氰酸酯、二甲苯二異氰酸酯（XDI）、氫化XDI、離胺酸二異氰酸酯、三苯基甲烷三異氰酸酯、硫代磷酸三（異氰酸苯基）酯、四甲基二甲苯二異氰酸酯、1,6,11-十一烷三異氰酸酯等。As said isocyanate compound, for example, isophorone diisocyanate, 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, hexamethylene diisocyanate, trimethylhexamethylene Methyl diisocyanate, diphenylmethane-4,4'-diisocyanate (MDI), hydrogenated MDI, polymeric MDI, 1,5-naphthalene diisocyanate, norbornane diisocyanate, toluidine diisocyanate, xylene diisocyanate Isocyanate (XDI), hydrogenated XDI, lysine diisocyanate, triphenylmethane triisocyanate, thiophosphate tris(isocyanate phenyl) ester, tetramethylxylene diisocyanate, 1,6,11-11 Alkyl triisocyanate and so on.

又，作為上述異氰酸酯化合物，亦可使用藉由使多元醇與過剩之異氰酸酯化合物反應而獲得之鏈伸長之異氰酸酯化合物。 作為上述多元醇，例如可列舉：乙二醇、丙二醇、甘油、山梨醇、三羥甲丙烷、碳酸酯二醇、聚醚二元醇、聚酯二元醇、聚己內酯二元醇等。In addition, as the above-mentioned isocyanate compound, an isocyanate compound obtained by reacting a polyol with an excess isocyanate compound can also be used. Examples of the above-mentioned polyol include ethylene glycol, propylene glycol, glycerin, sorbitol, trimethylolpropane, carbonate diol, polyether diol, polyester diol, polycaprolactone diol, etc. .

作為上述具有羥基之（甲基）丙烯酸衍生物，例如可列舉：單（甲基）丙烯酸羥烷酯、二元醇之單（甲基）丙烯酸酯、三元醇之單（甲基）丙烯酸酯或二（甲基）丙烯酸酯、環氧（甲基）丙烯酸酯等。 作為上述單（甲基）丙烯酸羥烷酯，例如可列舉：（甲基）丙烯酸2-羥基乙酯、（甲基）丙烯酸2-羥基丙酯、（甲基）丙烯酸2-羥基丁酯、（甲基）丙烯酸4-羥基丁酯等。 作為上述二元醇，例如可列舉：乙二醇、丙二醇、1,3-丙二醇、1,3-丁二醇、1,4-丁二醇、聚乙二醇等。 作為上述三元醇，例如可列舉：三羥甲基乙烷、三羥甲基丙烷、甘油等。 作為上述環氧（甲基）丙烯酸酯，例如可列舉雙酚A型環氧丙烯酸酯等。Examples of the (meth)acrylic acid derivative having a hydroxyl group include: hydroxyalkyl mono(meth)acrylate, mono(meth)acrylate of dihydric alcohol, and mono(meth)acrylate of trihydric alcohol Or di(meth)acrylate, epoxy (meth)acrylate, etc. Examples of the hydroxyalkyl mono(meth)acrylate include: 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, ( Meth) 4-hydroxybutyl acrylate, etc. As said diol, ethylene glycol, propylene glycol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, polyethylene glycol, etc. are mentioned, for example. As said triol, trimethylolethane, trimethylolpropane, glycerol, etc. are mentioned, for example. As said epoxy (meth)acrylate, bisphenol A type epoxy acrylate etc. are mentioned, for example.

作為上述胺酯（甲基）丙烯酸酯中之市售品，例如可列舉：東亞合成公司製造之胺酯（甲基）丙烯酸酯、Daicel-Allnex公司製造之胺酯（甲基）丙烯酸酯、根上工業公司製造之胺酯（甲基）丙烯酸酯、新中村化學工業公司製造之胺酯（甲基）丙烯酸酯、共榮社化學公司製造之胺酯（甲基）丙烯酸酯等。 作為上述東亞合成公司製造之胺酯（甲基）丙烯酸酯，例如可列舉：M-1100、M-1200、M-1210、M-1600等。 作為上述Daicel-Allnex公司製造之胺酯（甲基）丙烯酸酯，例如可列舉：EBECRYL210、EBECRYL220、EBECRYL230、EBECRYL270、EBECRYL1290、EBECRYL2220、EBECRYL4827、EBECRYL4842、EBECRYL4858、EBECRYL5129、EBECRYL6700、EBECRYL8402、EBECRYL8803、EBECRYL8804、EBECRYL8807、EBECRYL9260等。 作為上述根上工業公司製造之胺酯（甲基）丙烯酸酯，例如可列舉：Art Resin UN-330、Art Resin SH-500B、Art Resin UN-1200TPK、Art Resin UN-1255、Art Resin UN-3320HB、Art Resin UN-7100、Art Resin UN-9000A、Art Resin UN-9000H等。 作為上述新中村化學工業公司製造之胺酯（甲基）丙烯酸酯，例如可列舉：U-2HA、U-2PHA、U-3HA、U-4HA、U-6H、U-6HA、U-6LPA、U-10H、U-15HA、U-108、U-108A、U-122A、U-122P、U-324A、U-340A、U-340P、U-1084A、U-2061BA、UA-340P、UA-4000、UA-4100、UA-4200、UA-4400、UA-5201P、UA-7100、UA-7200、UA-W2A等。 作為上述共榮社化學公司製造之胺酯（甲基）丙烯酸酯，例如可列舉：AH-600、AI-600、AT-600、UA-101I、UA-101T、UA-306H、UA-306I、UA-306T等。As commercial products among the above-mentioned amine ester (meth)acrylates, for example, amine ester (meth)acrylate manufactured by Toagosei Co., Ltd., amine ester (meth)acrylate manufactured by Daicel-Allnex, and root Urethane (meth)acrylate manufactured by industrial companies, urethane (meth)acrylate manufactured by Shinnakamura Chemical Industry Co., Ltd., urethane (meth)acrylate manufactured by Kyoeisha Chemical Company, etc. As the amine ester (meth)acrylate manufactured by the Toagosei Co., Ltd., for example, M-1100, M-1200, M-1210, M-1600, etc. can be cited. As the amine ester (meth)acrylate manufactured by Daicel-Allnex, for example, EBECRYL210, EBECRYL220, EBECRYL230, EBECRYL270, EBECRYL1290, EBECRYL2220, EBECRYL4827, EBECRYL4842, EBECRYL4858, EBECRYL5840, ECECL880, ECECL880 , EBECRYL9260, etc. As the urethane (meth)acrylate manufactured by the aforementioned Negami Kogyo Co., Ltd., for example, Art Resin UN-330, Art Resin SH-500B, Art Resin UN-1200TPK, Art Resin UN-1255, Art Resin UN-3320HB, Art Resin UN-7100, Art Resin UN-9000A, Art Resin UN-9000H, etc. Examples of the urethane (meth)acrylate manufactured by Shinnakamura Chemical Industry Co., Ltd. include: U-2HA, U-2PHA, U-3HA, U-4HA, U-6H, U-6HA, U-6LPA, U-10H, U-15HA, U-108, U-108A, U-122A, U-122P, U-324A, U-340A, U-340P, U-1084A, U-2061BA, UA-340P, UA- 4000, UA-4100, UA-4200, UA-4400, UA-5201P, UA-7100, UA-7200, UA-W2A, etc. Examples of the urethane (meth)acrylate manufactured by the above-mentioned Kyoeisha Chemical Company include: AH-600, AI-600, AT-600, UA-101I, UA-101T, UA-306H, UA-306I, UA-306T and so on.

上述硬化性樹脂可單獨使用，亦可併用2種以上。The above-mentioned curable resin may be used alone or in combination of two or more kinds.

本發明之顯示元件用密封劑，其於硬化性樹脂中之（甲基）丙烯醯基及環氧基之合計中之（甲基）丙烯醯基之含有比例較佳設為50莫耳％以上95莫耳％以下。In the sealant for display elements of the present invention, the content of the (meth)acryl group in the total of the (meth)acryl group and the epoxy group in the curable resin is preferably set to 50 mol% or more Below 95 mol%.

本發明之顯示元件用密封劑含有聚合起始劑及/或熱硬化劑。 作為上述聚合起始劑，例如可列舉：自由基聚合起始劑、陽離子聚合起始劑等。The sealing agent for display elements of the present invention contains a polymerization initiator and/or a thermosetting agent. As said polymerization initiator, a radical polymerization initiator, a cationic polymerization initiator, etc. are mentioned, for example.

作為上述自由基聚合起始劑，例如可列舉：藉由光照產生自由基之光自由基聚合起始劑、藉由加熱產生自由基之熱自由基聚合起始劑。Examples of the radical polymerization initiator include photoradical polymerization initiators that generate radicals by light, and thermal radical polymerization initiators that generate radicals by heating.

作為上述光自由基聚合起始劑，例如可列舉：二苯基酮系化合物、苯乙酮系化合物、醯基膦氧化物系化合物、二茂鈦系化合物、肟酯系化合物、苯偶姻醚系化合物、9-氧硫𠮿

Figure 108136853-0000-3
系化合物等。 作為上述光自由基聚合起始劑，具體而言，例如可列舉：1-羥基環己基苯基酮、2-苄基-2-二甲基胺基-1-（4-
Figure 108136853-A0304-12-0020-6
啉基苯基）丁酮、1,2-（二甲基胺基）-2-（（4-甲基苯基）甲基）-1-（4-（4-
Figure 108136853-A0304-12-0020-6
啉基）苯基）-1-丁酮、2,2-二甲氧基-1,2-二苯乙烷-1-酮、雙（2,4,6-三甲基苯甲醯基）苯基膦氧化物、2-甲基-1-（4-甲基硫苯基）-2-
Figure 108136853-A0304-12-0020-6
啉基丙烷-1-酮、1-（4-（2-羥基乙氧基）-苯基）-2-羥基-2-甲基-1-丙烷-1-酮、1-（4-（苯硫基）苯基）-1,2-辛二酮2-（O-苯甲醯肟）、2,4,6-三甲基苯甲醯基二苯基膦氧化物、苯偶姻甲醚、苯偶姻乙醚、苯偶姻丙醚等。Examples of the aforementioned photoradical polymerization initiator include: benzophenone-based compounds, acetophenone-based compounds, phosphine oxide-based compounds, titanocene-based compounds, oxime ester-based compounds, and benzoin ethers Series compounds, 9-oxysulfur𠮿
Figure 108136853-0000-3
Department compounds and so on. As the photo radical polymerization initiator, specifically, for example, 1-hydroxycyclohexyl phenyl ketone, 2-benzyl-2-dimethylamino-1-(4-
Figure 108136853-A0304-12-0020-6
Alkylphenyl) butanone, 1,2-(dimethylamino)-2-((4-methylphenyl)methyl)-1-(4-(4-
Figure 108136853-A0304-12-0020-6
(Hydroxy)phenyl)-1-butanone, 2,2-dimethoxy-1,2-diphenylethane-1-one, bis(2,4,6-trimethylbenzyl) Phenylphosphine oxide, 2-methyl-1-(4-methylthiophenyl)-2-
Figure 108136853-A0304-12-0020-6
Linylpropane-1-one, 1-(4-(2-hydroxyethoxy)-phenyl)-2-hydroxy-2-methyl-1-propane-1-one, 1-(4-(benzene Sulfuryl)phenyl)-1,2-octanedione 2-(O-benzophenoxime), 2,4,6-trimethylbenzyldiphenylphosphine oxide, benzoin methyl ether , Benzoin ether, benzoin propyl ether, etc.

作為上述熱自由基聚合起始劑，例如可列舉：由偶氮化合物、有機過氧化物等構成者。其中較佳為由高分子偶氮化合物構成之高分子偶氮起始劑。 再者，於本說明書中，高分子偶氮化合物係指具有偶氮基，藉由熱生成可將（甲基）丙烯醯氧基硬化之自由基，且數量平均分子量在300以上之化合物。Examples of the thermal radical polymerization initiator include those composed of azo compounds, organic peroxides, and the like. Among them, a polymer azo initiator composed of a polymer azo compound is preferred. Furthermore, in this specification, a polymer azo compound refers to a compound having an azo group that can harden (meth)acryloyloxy radicals generated by heat and having a number average molecular weight of 300 or more.

上述高分子偶氮化合物之數量平均分子量之較佳之下限為1000，較佳之上限為30萬。藉由上述高分子偶氮化合物之數量平均分子量為該範圍，從而可容易地將其與硬化性樹脂混合，將得到之顯示元件用密封劑使用於液晶顯示元件時可防止對液晶產生不良影響。上述高分子偶氮化合物之數量平均分子量之更佳之下限為5000，更佳之上限為10萬，進而較佳之下限為1萬，進而較佳之上限為9萬。 再者，於本說明書中，上述數量平均分子量係利用凝膠滲透層析法（GPC）使用四氫呋喃作為溶劑進行測定，根據聚苯乙烯換算求出之值。作為利用GPC測定根據聚苯乙烯換算之數量平均分子量時所使用之管柱，例如可列舉：Shodex LF-804（昭和電工公司製造）等。The preferred lower limit of the number average molecular weight of the above-mentioned polymer azo compound is 1,000, and the preferred upper limit is 300,000. When the number average molecular weight of the polymer azo compound is in this range, it can be easily mixed with a curable resin, and when the obtained sealing compound for display elements is used in a liquid crystal display element, adverse effects on liquid crystal can be prevented. The lower limit of the number average molecular weight of the above-mentioned polymer azo compound is more preferably 5,000, the upper limit is more preferably 100,000, the lower limit is more preferably 10,000, and the upper limit is more preferably 90,000. In addition, in this specification, the above-mentioned number average molecular weight is measured by gel permeation chromatography (GPC) using tetrahydrofuran as a solvent, and it is the value calculated|required by polystyrene conversion. As a column used when measuring the number-average molecular weight in terms of polystyrene by GPC, for example, Shodex LF-804 (manufactured by Showa Denko Co., Ltd.) can be cited.

作為上述高分子偶氮化合物，例如可列舉具有「聚環氧烷或聚二甲基矽氧烷等單元經由偶氮基而複數個鍵結之結構」者。 作為具有聚環氧烷等單元經由上述偶氮基而複數個鍵結之結構之高分子偶氮化合物，較佳為具有聚環氧乙烷結構者。 作為上述高分子偶氮化合物，具體而言，例如可列舉：4,4'-偶氮雙(4-氰基戊酸)與聚伸烷基二醇之縮聚物、或4,4'-偶氮雙(4-氰基戊酸)與具有封端胺基之聚二甲基矽氧烷之縮聚物等。 作為上述高分子偶氮化合物中之市售品，例如可列舉：VPE-0201、VPE-0401、VPE-0601、VPS-0501、VPS-1001（均為FUJIFILM WAKO PURE CHEMICAL公司製造）等。 又，作為非高分子之偶氮化合物之市售品，例如可列舉：V-65、V-501（均為FUJIFILM WAKO PURE CHEMICAL公司製造）等。Examples of the above-mentioned polymer azo compound include those having "a structure in which multiple units such as polyalkylene oxide or polydimethylsiloxane are bonded via an azo group". As the polymer azo compound having a structure in which a plurality of units such as polyalkylene oxide are bonded via the aforementioned azo group, one having a polyethylene oxide structure is preferable. As the above-mentioned polymer azo compound, specifically, for example, a condensation polymer of 4,4'-azobis(4-cyanovaleric acid) and polyalkylene glycol, or 4,4'-co Condensation polymer of nitrobis(4-cyanovaleric acid) and polydimethylsiloxane with blocked amine group, etc. Examples of commercially available products among the aforementioned polymer azo compounds include: VPE-0201, VPE-0401, VPE-0601, VPS-0501, VPS-1001 (all manufactured by FUJIFILM WAKO PURE CHEMICAL) and the like. In addition, as commercial products of non-polymer azo compounds, for example, V-65, V-501 (all manufactured by FUJIFILM WAKO PURE CHEMICAL), etc. can be cited.

作為上述有機過氧化物，例如可列舉：過氧化酮、過氧縮酮、氫過氧化物、過氧化二烷基、過氧化酯、過氧化二醯基、過氧化二碳酸酯等。As said organic peroxide, for example, ketone peroxide, peroxyketal, hydroperoxide, dialkyl peroxide, peroxyester, diacyl peroxide, peroxydicarbonate, etc. are mentioned.

作為上述陽離子聚合起始劑，可較佳地使用光陽離子聚合起始劑。上述光陽離子聚合起始劑，只要是能藉由光照產生質子酸或路易士酸者，並無特別限定，可為離子性光酸產生型、亦可為非離子性光酸產生型。 作為上述光陽離子聚合起始劑，例如可列舉：芳香族重氮鹽、芳香族鹵鎓鹽、芳香族鋶鹽等鎓鹽類，鐵-丙二烯錯合物、二茂鈦錯合物、芳基矽醇-鋁錯合物等有機金屬錯合物類等。As the above-mentioned cationic polymerization initiator, a photocationic polymerization initiator can be preferably used. The above-mentioned photocationic polymerization initiator is not particularly limited as long as it is capable of generating protic acid or Lewis acid by light, and may be an ionic photoacid generating type or a nonionic photoacid generating type. Examples of the aforementioned photocationic polymerization initiator include onium salts such as aromatic diazonium salts, aromatic haloonium salts, and aromatic sulfonium salts, iron-allene complexes, titanocene complexes, Organometallic complexes such as arylsilanol-aluminum complexes, etc.

作為上述光陽離子聚合起始劑中之市售品，例如可列舉：Adeka Optomer -SP-150、Adeka Optomer -SP-170（皆為ADEKA公司製造）等。Examples of commercially available products among the aforementioned photocationic polymerization initiators include Adeka Optomer-SP-150, Adeka Optomer-SP-170 (all manufactured by ADEKA), and the like.

上述聚合起始劑可單獨使用，亦可併用2種以上。The above-mentioned polymerization initiators may be used alone or in combination of two or more kinds.

上述聚合起始劑之含量相對於上述硬化性樹脂100重量份，較佳之下限為0.1重量份，較佳之上限為30重量份。藉由上述聚合起始劑之含量在0.1重量份以上，所獲得之顯示元件用密封劑成為硬化性更優異者。藉由上述聚合起始劑之含量在30重量份以下，所獲得之顯示元件用密封劑成為保存穩定性更優異者。上述聚合起始劑之含量之更佳下限為1重量份，更佳之上限為10重量份，進而較佳之上限為5重量份。The content of the polymerization initiator relative to 100 parts by weight of the curable resin has a preferred lower limit of 0.1 parts by weight and a preferred upper limit of 30 parts by weight. When the content of the polymerization initiator is 0.1 parts by weight or more, the obtained sealing agent for display elements is more excellent in curability. When the content of the polymerization initiator is 30 parts by weight or less, the obtained sealing agent for display elements has more excellent storage stability. The lower limit of the content of the polymerization initiator is more preferably 1 part by weight, the upper limit is more preferably 10 parts by weight, and the upper limit is more preferably 5 parts by weight.

作為上述熱硬化劑，例如可列舉：有機酸醯肼、咪唑衍生物、胺化合物、多酚系化合物、酸酐等。其中較佳為使用固態之有機酸醯肼。 上述熱硬化劑可單獨使用，亦可併用2種以上。As said thermosetting agent, organic acid hydrazine, imidazole derivatives, amine compounds, polyphenol compounds, acid anhydrides, etc. are mentioned, for example. Among them, it is preferable to use a solid organic acid hydrazine. The above-mentioned thermosetting agents may be used alone or in combination of two or more kinds.

作為上述固態之有機酸醯肼，例如可列舉：1,3-雙(肼基羰乙基)-5-異丙基乙內醯脲、癸二酸二醯肼、間苯二甲酸二醯肼、己二酸二醯肼、丙二酸二醯肼等。 作為上述有機酸醯肼中之市售品，例如可列舉：Otsuka Chemical公司製造之有機酸醯肼、Japan Finechem公司製造之有機酸醯肼、Ajinomoto Fine-Techno公司製造之有機酸醯肼等。 作為上述Otsuka Chemical公司製造之有機酸醯肼，例如可列舉：SDH、ADH等。 作為上述Japan Finechem公司製造之有機酸醯肼，例如可列舉：MDH等。 作為上述Ajinomoto Fine-Techno公司製造之有機酸醯肼，例如可列舉：Amicure VDH、Amicure VDH-J、Amicure UDH等。Examples of the solid organic acid hydrazine include: 1,3-bis(hydrazinocarbonylethyl)-5-isopropyl hydantoin, dihydrazine sebacate, and dihydrazide isophthalate , Dihydrazine adipic acid, dihydrazine malonate, etc. Examples of commercially available products among the above-mentioned organic acid hydrazine include organic acid hydrazine manufactured by Otsuka Chemical Company, organic acid hydrazine manufactured by Japan Finechem Company, and organic acid hydrazine manufactured by Ajinomoto Fine-Techno Company. As an organic acid hydrazine manufactured by the said Otsuka Chemical company, SDH, ADH, etc. are mentioned, for example. As the organic acid hydrazine manufactured by Japan Finechem, for example, MDH etc. are mentioned. Examples of the organic acid hydrazine manufactured by the aforementioned Ajinomoto Fine-Techno company include Amicure VDH, Amicure VDH-J, Amicure UDH, and the like.

上述熱硬化劑之含量相對於上述硬化性樹脂100重量份，較佳之下限為1重量份，較佳之上限為50重量份。藉由上述熱硬化劑之含量在1重量份以上，所獲得之顯示元件用密封劑成為熱硬化性更優異者。藉由上述聚合起始劑之含量在50重量份以下，所獲得之顯示元件用密封劑成為塗佈性更優異者。上述聚合起始劑之含量之更佳上限為30重量份。The content of the thermosetting agent relative to 100 parts by weight of the curable resin has a preferred lower limit of 1 part by weight and a preferred upper limit of 50 parts by weight. When the content of the thermosetting agent is 1 part by weight or more, the obtained sealing agent for display elements is more excellent in thermosetting properties. When the content of the polymerization initiator is 50 parts by weight or less, the obtained sealing agent for display elements has more excellent coatability. The more preferable upper limit of the content of the polymerization initiator is 30 parts by weight.

為了黏度調整、因應力分散效果所致之接著力之提升、線膨脹率之改善、提高硬化物之耐濕性等，本發明之顯示元件用密封劑較佳為含有填充劑。In order to adjust the viscosity, increase the adhesive force due to the stress dispersion effect, improve the linear expansion rate, and increase the moisture resistance of the cured product, the sealing agent for the display element of the present invention preferably contains a filler.

作為上述填充劑，可使用無機填充劑或有機填充劑。 作為上述無機填充劑，例如可列舉：矽石、滑石、玻璃珠、石棉、石膏、矽藻土、膨潤石、膨潤土、蒙脫石、絹雲母、活性白土、氧化鋁、氧化鋅、氧化鐵、氧化鎂、氧化錫、氧化鈦、碳酸鈣、碳酸鎂、氫氧化鎂、氫氧化鋁、氮化鋁、氮化矽、硫酸鋇、矽酸鈣等。 作為上述有機填充劑，例如可列舉：聚酯微粒子、聚胺酯微粒子、乙烯系聚合物微粒子、丙烯酸系聚合物微粒子等。As the above-mentioned filler, an inorganic filler or an organic filler can be used. As the above-mentioned inorganic filler, for example, silica, talc, glass beads, asbestos, gypsum, diatomaceous earth, bentonite, bentonite, montmorillonite, sericite, activated clay, alumina, zinc oxide, iron oxide, Magnesium oxide, tin oxide, titanium oxide, calcium carbonate, magnesium carbonate, magnesium hydroxide, aluminum hydroxide, aluminum nitride, silicon nitride, barium sulfate, calcium silicate, etc. As said organic filler, polyester microparticles, polyurethane microparticles, vinyl polymer microparticles, acrylic polymer microparticles, etc. are mentioned, for example.

本發明之顯示元件用密封劑100重量份中上述填充劑之含量較佳之下限為10重量份，較佳之上限為70重量份。藉由上述填充劑之含量為該範圍，既能抑制塗佈性等變差，亦能更加發揮接著性的提升等效果。上述填充劑之含量之更佳之下限為20重量份，更佳之上限為60重量份。The lower limit of the content of the filler in 100 parts by weight of the sealing agent for display elements of the present invention is preferably 10 parts by weight, and the upper limit is preferably 70 parts by weight. When the content of the filler is in this range, it is possible to suppress the deterioration of coatability and the like, and it is possible to further exhibit the effects such as improvement of adhesiveness. The lower limit of the filler content is more preferably 20 parts by weight, and the upper limit is more preferably 60 parts by weight.

本發明之顯示元件用密封劑較佳為含有矽烷偶合劑。上述矽烷偶合劑主要具有作為用於使密封劑與基板等良好地接著之接著助劑之作用。The sealing agent for a display element of the present invention preferably contains a silane coupling agent. The above-mentioned silane coupling agent mainly functions as an adhesive auxiliary agent for bonding the sealant to the substrate and the like well.

作為上述矽烷偶合劑，例如可較好地使用3-巰基丙基三甲氧基矽烷、3-環氧丙氧基丙基三甲氧基矽烷、3-異氰酸基丙基三甲氧基矽烷、3-環氧丙氧基丙基三乙氧基矽烷等。該等矽烷偶合劑之提高與基板等之接著性之效果優異，將所獲得之顯示元件用密封劑使用於液晶顯示元件時可抑制硬化性樹脂流出至液晶中。 上述矽烷偶合劑可單獨地使用，亦可組合2種以上使用。As the aforementioned silane coupling agent, for example, 3-mercaptopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-isocyanatopropyltrimethoxysilane, 3 -Glycidoxypropyltriethoxysilane, etc. These silane coupling agents are excellent in the effect of improving adhesion to substrates, etc., and when the obtained sealing compound for display elements is used in a liquid crystal display element, the curable resin can be prevented from flowing out into the liquid crystal. The above-mentioned silane coupling agent may be used alone or in combination of two or more kinds.

本發明之顯示元件用密封劑100重量份中上述矽烷偶合劑之含量之較佳之下限為0.1重量份，較佳之上限為10重量份。藉由上述矽烷偶合劑之含量為該範圍，所獲得之顯示元件用密封劑成為接著性更優異者，將所獲得之顯示元件用密封劑用於液晶顯示元件時可抑制液晶汙染之發生。上述矽烷偶合劑之含量之更佳下限為0.3重量份，更佳之上限為5重量份。The lower limit of the content of the silane coupling agent in 100 parts by weight of the sealing agent for display elements of the present invention is preferably 0.1 parts by weight, and the upper limit is preferably 10 parts by weight. When the content of the silane coupling agent is in this range, the obtained sealing compound for display elements has better adhesiveness, and the occurrence of liquid crystal contamination can be suppressed when the obtained sealing compound for display elements is used in a liquid crystal display element. The lower limit of the content of the silane coupling agent is more preferably 0.3 parts by weight, and the upper limit is more preferably 5 parts by weight.

本發明之顯示元件用密封劑亦可含有上述遮光劑。藉由含有上述遮光劑，從而使得本發明之顯示元件用密封劑可較好地用作遮光密封劑。。The sealing agent for display elements of this invention may contain the said light-shielding agent. By containing the said light-shielding agent, the sealing compound for display elements of this invention can be used suitably as a light-shielding sealing agent. .

作為上述遮光劑，例如可列舉：氧化鐵、鈦黑、苯胺黑、花青黑、富勒烯、碳黑、樹脂被覆型碳黑等。其中，較佳為鈦黑。 上述遮光劑可單獨使用，亦可併用2種以上。Examples of the light-shielding agent include iron oxide, titanium black, aniline black, cyanine black, fullerene, carbon black, and resin-coated carbon black. Among them, titanium black is preferred. The above-mentioned light-shielding agents may be used alone or in combination of two or more kinds.

上述鈦黑係相較於對於波長300 nm以上800 nm以下之光之平均透過率，對於紫外線區域附近、尤其是波長370 nm以上450 nm以下之光之透過率更高之物質。即，上述鈦黑係具有如下性質之遮光劑：藉由充分地遮斷可見光區域之波長之光而對本發明之顯示元件用密封劑賦予遮光性，另一方面使紫外線區域附近之波長之光透過。作為本發明之顯示元件用密封劑所含有之遮光劑，較佳為高絕緣性之物質，鈦黑亦可較好地作為高絕緣性之遮光劑。The above-mentioned titanium black is a substance with a higher transmittance in the vicinity of the ultraviolet region, especially light with a wavelength of 370 nm or more and 450 nm or less than the average transmittance for light with a wavelength of 300 nm or more and 800 nm or less. That is, the above-mentioned titanium black is a light-shielding agent having the following properties: it imparts light-shielding properties to the sealing agent for display elements of the present invention by sufficiently blocking light of wavelengths in the visible light region, while transmitting light of wavelengths near the ultraviolet region . The light-shielding agent contained in the sealing agent for display elements of the present invention is preferably a highly insulating material, and titanium black can also be preferably used as a highly insulating light-shielding agent.

上述鈦黑雖即便未經表面處理亦可發揮充分之效果，但亦可使用經表面處理之鈦黑，如表面經偶合劑等有機成分處理者、或經氧化矽、氧化鈦、氧化鍺、氧化鋁、氧化鋯、氧化鎂等無機成分被覆者等。其中，就可更進一步提高絕緣性之觀點而，較佳為經有機成分處理者。 又，使用含有上述鈦黑作為遮光劑之本發明之顯示元件用密封劑所製造之顯示元件由於具有充分之遮光性，故而可實現不會發生漏光而具有高對比度、具有優異之圖像顯示品質之顯示元件。Although the above-mentioned titanium black can exert its full effect even without surface treatment, it is also possible to use surface-treated titanium black, such as the surface treated with organic components such as coupling agent, or silicon oxide, titanium oxide, germanium oxide, and oxidation Aluminum, zirconia, magnesium oxide and other inorganic component coatings. Among them, from the viewpoint that the insulation can be further improved, those treated with organic components are preferred. In addition, the display element manufactured using the sealing agent for display element of the present invention containing the titanium black as a light-shielding agent has sufficient light-shielding properties, and therefore can achieve high contrast and excellent image display quality without light leakage. The display components.

作為上述鈦黑中之市售品，例如可列舉：三菱綜合材料公司製造之鈦黑、AKO KASEI公司製造之鈦黑等。 作為上述三菱綜合材料公司製造之鈦黑，例如可列舉：12S、13M、13M-C、13R-N、14M-C等。 作為上述AKO KASEI公司製造之鈦黑，例如可列舉Tilack D等。Examples of commercially available products among the aforementioned titanium blacks include titanium black manufactured by Mitsubishi Materials Corporation, titanium black manufactured by AKO KASEI, and the like. As the titanium black manufactured by the above-mentioned Mitsubishi Materials Corporation, for example, 12S, 13M, 13M-C, 13R-N, 14M-C, etc. can be cited. As the titanium black manufactured by the aforementioned AKO KASEI company, for example, Tilack D and the like can be cited.

上述鈦黑之比表面積之較佳之下限為13 m2 /g，較佳之上限為30 m2 /g，更佳之下限為15 m2 /g，更佳之上限為25 m2 /g。 又，上述鈦黑之體積電阻之較佳之下限為0.5 Ω・cm，較佳之上限為3 Ω・cm，更佳之下限為1 Ω・cm，更佳之上限為2.5 Ω・cm。The preferred lower limit of the specific surface area of the titanium black is 13 m 2 /g, the preferred upper limit is 30 m 2 /g, the more preferred lower limit is 15 m 2 /g, and the more preferred upper limit is 25 m 2 /g. In addition, the lower limit of the volume resistance of the titanium black is preferably 0.5 Ω·cm, the upper limit is preferably 3 Ω·cm, the lower limit is more preferably 1 Ω·cm, and the upper limit is more preferably 2.5 Ω·cm.

上述遮光劑之一次粒徑，只要為顯示元件之基板間之距離以下，則無特別限定，較佳之下限為1 nm，較佳之上限為5000 nm。藉由上述遮光劑之一次粒徑為該範圍，從而可於不使所獲得之顯示元件用密封劑之繪圖性等變差之情況下使遮光性變得更加優異。上述遮光劑之一次粒徑之更佳之下限為5 nm，更佳之上限為200 nm，進而較佳之下限為10 nm，進而較佳之上限為100 nm。 再者，上述遮光劑之一次粒徑可使用NICOMP 380ZLS（PARTICLE SIZING SYSTEMS公司製造），使上述遮光劑分散於溶劑（水、有機溶劑等）中而測定。The primary particle size of the aforementioned light-shielding agent is not particularly limited as long as it is less than the distance between the substrates of the display element, and the preferred lower limit is 1 nm, and the preferred upper limit is 5000 nm. When the primary particle diameter of the light-shielding agent is in this range, the light-shielding property can be made more excellent without deteriorating the drawing properties of the obtained sealing compound for display elements. The lower limit of the primary particle size of the sunscreen is more preferably 5 nm, the upper limit is more preferably 200 nm, the lower limit is still more preferably 10 nm, and the upper limit is more preferably 100 nm. In addition, the primary particle size of the sunscreen can be measured by dispersing the sunscreen in a solvent (water, organic solvent, etc.) using NICOMP 380ZLS (manufactured by PARTICLE SIZING SYSTEMS).

本發明之顯示元件用密封劑100重量份中之上述遮光劑之含量之較佳之下限為5重量份，較佳之上限為80重量份。藉由上述遮光劑為該範圍，抑制了「所獲得之顯示元件用密封劑之接著性、硬化後之強度、及繪圖性」之惡化，並且提升遮光性之效果變得更加優異。上述遮光劑之含量之更佳之下限為10重量份，更佳之上限為70重量份，進而較佳之下限為30重量份，進而較佳之上限為60重量份。The lower limit of the content of the light-shielding agent in 100 parts by weight of the sealing agent for display elements of the present invention is preferably 5 parts by weight, and the upper limit is preferably 80 parts by weight. When the above-mentioned light-shielding agent is in this range, deterioration of "adhesion, strength after curing, and drawing properties of the obtained display element sealant" is suppressed, and the effect of improving light-shielding becomes more excellent. The lower limit of the content of the sunscreen is more preferably 10 parts by weight, the upper limit is more preferably 70 parts by weight, the lower limit is still more preferably 30 parts by weight, and the upper limit is more preferably 60 parts by weight.

本發明之顯示元件用密封劑亦可視需要進而含有反應性稀釋劑、間隔物、硬化促進劑、消泡劑、調平劑、聚合抑制劑、其他偶合劑等添加劑。The sealant for display elements of the present invention may further contain additives such as reactive diluents, spacers, hardening accelerators, defoamers, leveling agents, polymerization inhibitors, and other coupling agents as needed.

作為製造本發明之顯示元件用密封劑之方法，例如可列舉，使用混合機，將硬化性樹脂、聚合起始劑及/或熱硬化劑、及視需要所添加之矽烷偶合劑等添加劑進行混合之方法等。 作為上述混合機，例如可列舉：勻相分散機、均質攪拌機、萬能攪拌機、行星式混合機、捏合機、三輥研磨機等。As a method of manufacturing the sealant for display elements of the present invention, for example, a mixing machine is used to mix the curable resin, polymerization initiator and/or thermosetting agent, and optionally silane coupling agent and other additives. The method and so on. Examples of the above-mentioned mixer include a homogeneous disperser, a homomixer, a universal mixer, a planetary mixer, a kneader, and a three-roll mill.

本發明之顯示元件用密封劑可藉由光照及/或加熱使其硬化。本發明之顯示元件用密封劑之硬化物亦為本發明之一。The sealant for a display element of the present invention can be cured by light and/or heating. The cured product of the sealant for the display element of the present invention is also one of the present invention.

藉由向本發明之顯示元件用密封劑中摻合導電性微粒子，從而可製造上下導通材料。此種含有本發明之顯示元件用密封劑與導電性微粒子之上下導通材料亦為本發明之一。By blending conductive fine particles into the sealing agent for a display element of the present invention, a vertical conduction material can be manufactured. Such an upper and lower conduction material containing the sealing agent for a display element of the present invention and conductive fine particles is also one of the present invention.

上述導電性微粒子並無特別限定，可使用金屬球、於樹脂微粒子之表面形成有導電金屬層者等。其中，於樹脂微粒子之表面形成有導電金屬層者由於樹脂微粒子之優異之彈性而能夠於不損傷透明基板等之情況下實現導電連接，因此較佳。The conductive fine particles are not particularly limited, and metal balls, those having a conductive metal layer formed on the surface of the resin fine particles, and the like can be used. Among them, those having a conductive metal layer formed on the surface of the resin particles are preferred because of the excellent elasticity of the resin particles and can realize conductive connection without damaging the transparent substrate or the like.

本發明之顯示元件用密封劑之硬化物，或具有本發明之上下導通材料之硬化物之顯示元件亦為本發明之一。作為本發明之顯示元件，較佳為液晶顯示元件。 作為利用本發明之顯示元件用密封劑製造液晶顯示元件之方法，較佳為使用液晶滴下法，具體而言，例如可舉出具有以下各步驟之方法等。 首先，進行「藉由網版印刷、分注器（dispenser）塗佈等，於具有ITO薄膜等之電極之2枚透明基板之其中一枚上塗佈本發明之顯示元件用密封劑，形成框狀之密封圖案」之步驟。繼而，進行「將微小之液晶滴滴下塗佈於密封圖案之框內整個面，在真空狀態下與另一透明基板重合」之步驟。其後，進行「對密封圖案部分照射紫外線等光使密封劑暫時硬化」之步驟、及「對暫時硬化之密封劑進行加熱使其正式硬化」之步驟，藉由以上方法可獲得液晶顯示元件。 [發明之效果]The cured product of the sealant for the display element of the present invention, or the display element having the cured product of the upper and lower conductive material of the present invention is also one of the present invention. As the display element of the present invention, a liquid crystal display element is preferred. As a method of manufacturing a liquid crystal display element using the sealing compound for display elements of this invention, it is preferable to use a liquid crystal dropping method, and specifically, the method etc. which have the following steps are mentioned, for example. First, "by screen printing, dispenser coating, etc., apply the sealant for display elements of the present invention to one of the two transparent substrates with electrodes such as an ITO film to form a frame The steps of the seal pattern". Then, the step of "dropping tiny liquid crystal drops onto the entire surface of the frame of the seal pattern, and overlapping with another transparent substrate under vacuum" is performed. After that, the steps of "irradiating light such as ultraviolet rays to the seal pattern part to temporarily harden the sealant" and the steps of "heating the temporarily hardened sealant to fully harden" are performed, and the liquid crystal display element can be obtained by the above method. [Effects of Invention]

根據本發明，可提供一種顯示元件用密封劑，其能獲得耐濕熱性優異且耐衝擊性優異之顯示元件。又，根據本發明，可提供該顯示元件用密封劑之硬化物，以及使用該顯示元件用密封劑而成的上下導通材料及顯示元件。According to the present invention, it is possible to provide a sealant for a display element, which can obtain a display element having excellent moisture and heat resistance and excellent impact resistance. Furthermore, according to the present invention, it is possible to provide a cured product of the sealant for a display element, and a vertical conduction material and a display element using the sealant for a display element.

以下揭示實施例進一步詳細地對本發明進行說明，但本發明並不僅限定於該等實施例。The following disclosed embodiments further illustrate the present invention in detail, but the present invention is not limited to these embodiments.

（實施例1〜5、比較例1〜4） 依據表1中所記載之摻合比，使用行星式攪拌機將各材料混合，其後進而使用三輥研磨機進行混合，藉此製備實施例1〜5及比較例1〜4之顯示元件用密封劑。作為上述行星式攪拌機，使用了「去泡練太郎」（Thinky公司製造）。 對所獲得之各顯示元件用密封劑，藉由使用金屬鹵化物燈照射100 mW/cm2 之紫外線（波長365 nm）30秒鐘後，於120℃加熱1小時而獲得硬化物。對所獲得之硬化物，使用動態黏彈性測定裝置，以試片寬度5 mm、厚度0.35 mm、抓持寬度25 mm、升溫速度10℃/分鐘、頻率5 Hz之條件測定25℃及121℃時之儲存彈性模數。作為上述動態黏彈性測定裝置，使用DVA-200（IT Meter and Control公司製造）。其結果示於表1。(Examples 1 to 5, Comparative Examples 1 to 4) According to the blending ratio described in Table 1, the materials were mixed using a planetary mixer, and then mixed using a three-roll mill to prepare Example 1 ~5 and Comparative Examples 1~4 Sealants for display elements. As the above-mentioned planetary mixer, "Go Pao Ren Taro" (manufactured by Thinky) was used. Each obtained sealing compound for display elements was irradiated with 100 mW/cm 2 ultraviolet rays (wavelength 365 nm) for 30 seconds using a metal halide lamp, and then heated at 120° C. for 1 hour to obtain a cured product. For the obtained cured product, use a dynamic viscoelasticity measuring device to measure at 25°C and 121°C under the conditions of test piece width 5 mm, thickness 0.35 mm, grip width 25 mm, heating rate 10°C/min, and frequency 5 Hz The storage elastic modulus. As the above-mentioned dynamic viscoelasticity measuring device, DVA-200 (manufactured by IT Meter and Control) was used. The results are shown in Table 1.

＜評價＞ 對實施例及比較例中所獲得之各顯示元件用密封劑進行以下之評價。將結果示於表1。＜Evaluation＞ The following evaluations were performed on each sealing compound for display elements obtained in the examples and comparative examples. The results are shown in Table 1.

（耐濕熱性） 使間隔物粒子1重量份均勻分散於實施例及比較例中所獲得之各顯示元件用密封劑100重量份。作為間隔物粒子，使用「Micropearl SI-H050」（積水化學工業公司製造）。將分散有間隔物粒子之密封劑裝填至分注用之注射筒內，進行脫泡處理後，使用分注器在附有配向膜及ITO薄膜之透明基板之配向膜上以描繪長方形框之方式塗佈。作為注射筒使用了PSY-10E（Musashi Engineering公司製造），作為分注器使用了SHOT MASTER 300（Musashi Engineering公司製造）。繼而，將微小之液晶滴滴下塗佈於密封劑之框內整個面，其後立即與另一透明基板貼合。作為液晶使用了JC-5004LA（Chisso公司製造）。與透明基板貼合後，立即使用金屬鹵化物燈對密封劑部分照射100 mW/cm2 之紫外線（波長365 nm）30秒鐘後，於120℃加熱1小時，藉此獲得液晶顯示元件。 將所獲得之液晶顯示元件於PCT條件（121℃、100％RH、2 atm）下暴露24小時。對暴露於PCT條件後之液晶顯示元件以目視觀察確認顯示不均及氣泡的產生，將顯示不均及氣泡之產生均未被確認到之情形設為「○」，將顯示不均及氣泡其中一者之產生被確認到之情形設為「△」，將顯示不均及氣泡之產生均被確認到之情形設為「×」，評價耐濕熱性。(Moisture and heat resistance) 1 part by weight of spacer particles were uniformly dispersed in 100 parts by weight of each sealing agent for display elements obtained in the examples and comparative examples. As the spacer particles, "Micropearl SI-H050" (manufactured by Sekisui Chemical Industry Co., Ltd.) was used. The sealant dispersed with spacer particles is filled into the injection cylinder for dispensing, and after defoaming treatment, a rectangular frame is drawn on the alignment film on the transparent substrate with the alignment film and the ITO film using the dispenser. Coating. PSY-10E (manufactured by Musashi Engineering) was used as a syringe, and SHOT MASTER 300 (manufactured by Musashi Engineering) was used as a dispenser. Then, a tiny liquid crystal drop was applied to the entire surface of the sealant frame, and then immediately bonded to another transparent substrate. As the liquid crystal, JC-5004LA (manufactured by Chisso Corporation) was used. Immediately after bonding with the transparent substrate, a metal halide lamp was used to irradiate the sealant with 100 mW/cm 2 ultraviolet rays (wavelength 365 nm) for 30 seconds, and then heated at 120°C for 1 hour to obtain a liquid crystal display element. The obtained liquid crystal display element was exposed to PCT conditions (121° C., 100% RH, 2 atm) for 24 hours. The liquid crystal display element exposed to the PCT conditions was visually observed to confirm the display unevenness and the generation of bubbles. If the display unevenness and the generation of bubbles have not been confirmed, set to "○", and the display unevenness and bubbles are among them The case where the generation of one is confirmed is set to "△", and the case where both the display unevenness and the generation of bubbles are confirmed is set to "×", and the humidity and heat resistance is evaluated.

（耐衝擊性） 對實施例及比較例中所獲得之各顯示元件用密封劑，以與上述「（耐濕熱性）」相同之方式分別製作10個單元之液晶顯示元件。 對所獲得之各液晶顯示元件進行自2 m之高度掉落之掉落試驗。將掉落試驗後，所有單元均不存在因剝離或破裂所引起之液晶漏出之情形設為「◎」，將1個單元以上且未達4個單元之顯示元件存在液晶漏出之情形設為「○」，將4個單元以上且未達7個單元之顯示元件存在液晶漏出之情形設為「△」，將7個單元以上之顯示元件存在液晶漏出之情形設為「×」，評價耐衝擊性。(Impact resistance) With respect to each of the sealing compounds for display elements obtained in the examples and comparative examples, liquid crystal display elements of 10 units were produced in the same manner as in the above-mentioned "(moisture and heat resistance)". Each obtained liquid crystal display element was subjected to a drop test from a height of 2 m. After the drop test, the case where there is no liquid crystal leakage due to peeling or cracking in all the cells is set to "◎", and the case where there is liquid crystal leakage in display elements with more than 1 cell and less than 4 cells is set to " ○", set the case where there is liquid crystal leakage in the display element of 4 or more and less than 7 units as "△", and the case where the liquid crystal leakage in the display element of 7 or more units is set as "×" to evaluate the impact resistance Sex.

[表1] 實施例 比較例 1 2 3 4 5 1 2 3 4 組成 (重量份) 硬化性樹脂 具有橡膠結構之環氧化合物 環氧改質丁二烯橡膠 （長瀨化成公司製造，｢Denalex R-15EPT｣） 10 － － 10 20 － － － 30 環氧改質丁二烯橡膠 （長瀨化成公司製造，｢Denalex R-45EPT｣） － 10 － － － － － － － NBR改質環氧樹脂 （ADEKA公司製造，「Adeka Resin EPR-4030」） － － 10 － － － － － － 其他 雙酚A型環氧丙烯酸酯 （Daicel-Allnex公司製造，「EBECRYL 3700」） 5 5 5 5 － － 20 50 － 己內酯改質雙酚A型環氧丙烯酸酯 （Daicel-Allnex公司製造，「EB3708」） 60 60 60 55 55 70 50 25 50 丙烯酸2-羥基-3-苯氧基丙酯 （共榮社化學公司製造，「EPOXY ESTER M-600A」） 10 10 10 10 10 15 15 10 5 部分丙烯酸改質雙酚E型環氧樹脂 （Daicel-Allnex公司製造，「KRM8287」） 15 15 15 20 15 15 15 15 15 光自由基聚合起始劑 KR-02 （LIGHT CHEMICAL公司製造） 1 1 1 1 1 1 1 1 1 熱硬化劑 癸二酸二醯肼 （Otsuka Chemical公司製造，「SDH」） 3 3 3 3 3 3 3 3 3 矽烷偶合劑 3-環氧丙氧基丙基三甲氧基矽烷 （信越化學工業公司製造，「KBM-403」） 1 1 1 1 1 1 1 1 1 填充劑 矽石 （Admatechs公司製造，「ADMAFINE SO-C2」） 15 15 15 15 15 15 15 15 15 25℃時之儲存彈性模數（GPa） 0.6 0.5 0.5 0.7 0.3 0.8 0.9 1.1 0.1 121℃時之儲存彈性模數（GPa） 0.03 0.03 0.04 0.04 0.01 0.007 0.009 0.02 0.009 評價 耐濕熱性 ○ ○ ○ ○ ○ × △ ○ × 耐衝擊性 ◎ ◎ ◎ ○ ◎ △ × × ◎ [產業上之可利用性][Table 1] Example Comparative example 1 2 3 4 5 1 2 3 4 Composition (parts by weight) Curing resin Epoxy compound with rubber structure Epoxy modified butadiene rubber (manufactured by Nagase Kasei Co., Ltd., "Denalex R-15EPT") 10 - - 10 20 - - - 30 Epoxy modified butadiene rubber (manufactured by Nagase Kasei Co., Ltd., "Denalex R-45EPT") - 10 - - - - - - - NBR modified epoxy resin (manufactured by ADEKA, "Adeka Resin EPR-4030") - - 10 - - - - - - other Bisphenol A type epoxy acrylate (made by Daicel-Allnex, "EBECRYL 3700") 5 5 5 5 - - 20 50 - Caprolactone modified bisphenol A epoxy acrylate (manufactured by Daicel-Allnex, "EB3708") 60 60 60 55 55 70 50 25 50 2-hydroxy-3-phenoxypropyl acrylate (manufactured by Kyoeisha Chemical Co., "EPOXY ESTER M-600A") 10 10 10 10 10 15 15 10 5 Partial acrylic modified bisphenol E epoxy resin (manufactured by Daicel-Allnex, "KRM8287") 15 15 15 20 15 15 15 15 15 Light radical polymerization initiator KR-02 (manufactured by LIGHT CHEMICAL) 1 1 1 1 1 1 1 1 1 Thermal hardener Dihydrazine sebacate (manufactured by Otsuka Chemical, "SDH") 3 3 3 3 3 3 3 3 3 Silane coupling agent 3-glycidoxypropyl trimethoxysilane (manufactured by Shin-Etsu Chemical Co., Ltd., "KBM-403") 1 1 1 1 1 1 1 1 1 Filler Silica (manufactured by Admatechs, "ADMAFINE SO-C2") 15 15 15 15 15 15 15 15 15 Storage elastic modulus at 25℃ (GPa) 0.6 0.5 0.5 0.7 0.3 0.8 0.9 1.1 0.1 Storage elastic modulus at 121℃ (GPa) 0.03 0.03 0.04 0.04 0.01 0.007 0.009 0.02 0.009 Evaluation Humidity and heat resistance ○ ○ ○ ○ ○ × △ ○ × Impact resistance ◎ ◎ ◎ ○ ◎ △ × × ◎ [Industrial availability]

根據本發明，可提供一種顯示元件用密封劑，其能獲得耐濕熱性優異且耐衝擊性優異之顯示元件。又，根據本發明，可提供該顯示元件用密封劑之硬化物，以及使用該顯示元件用密封劑而成的上下導通材料及顯示元件。According to the present invention, it is possible to provide a sealant for a display element, which can obtain a display element having excellent moisture and heat resistance and excellent impact resistance. Furthermore, according to the present invention, it is possible to provide a cured product of the sealant for a display element, and a vertical conduction material and a display element using the sealant for a display element.

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無no

Claims (5)

一種顯示元件用密封劑，其含有硬化性樹脂、聚合起始劑及/或熱硬化劑， 上述顯示元件用密封劑之硬化物在25℃時其儲存彈性模數（storage elastic modulus）未滿0.8 GPa，上述顯示元件用密封劑之硬化物在121℃時其儲存彈性模數在0.01 GPa以上。A sealant for display elements, which contains a curable resin, a polymerization initiator and/or a thermosetting agent, The storage elastic modulus of the above-mentioned display element sealant is less than 0.8 GPa at 25°C, and the storage elastic modulus of the above-mentioned display element sealant is 0.01 GPa or more at 121°C . 如請求項1所述之顯示元件用密封劑，其中，上述硬化性樹脂含有具有環氧基及橡膠結構之化合物。The sealant for a display element according to claim 1, wherein the curable resin contains a compound having an epoxy group and a rubber structure. 一種硬化物，其係請求項1或2所述之顯示元件用密封劑之硬化物。A hardened material which is a hardened material of the sealant for a display element described in claim 1 or 2. 一種上下導通材料，其含有請求項1或2所述之顯示元件用密封劑及導電性微粒子。An up-and-down conduction material containing the sealant for a display element described in claim 1 or 2 and conductive fine particles. 一種顯示元件，其具有請求項1或2所述之顯示元件用密封劑之硬化物或請求項4所述之上下導通材料之硬化物。A display element having a cured product of the sealant for a display element described in claim 1 or 2 or a cured product of the upper and lower conductive material described in claim 4.
TW108136853A 2018-10-23 2019-10-14 Sealants, hardeners, upper and lower conductive materials for display elements, and display elements TWI826548B (en)

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