WO2017063248A1 - 配向膜材料及配向膜的制造方法 - Google Patents

配向膜材料及配向膜的制造方法 Download PDF

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WO2017063248A1
WO2017063248A1 PCT/CN2015/094808 CN2015094808W WO2017063248A1 WO 2017063248 A1 WO2017063248 A1 WO 2017063248A1 CN 2015094808 W CN2015094808 W CN 2015094808W WO 2017063248 A1 WO2017063248 A1 WO 2017063248A1
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component
alignment film
phthalonitrile
film material
monomer
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French (fr)
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赵永超
谢忠憬
宋彦君
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/542—Macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54—Additives having no specific mesophase characterised by their chemical composition
    • C09K19/56—Aligning agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • 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
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/027—Polyimide
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • 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
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide

Definitions

  • the present invention relates to the field of display technology, and in particular to an alignment film material.
  • TFT-LCD thin film transistor liquid crystal display
  • the thin film transistor liquid crystal display panel has higher and higher requirements on the hardness of the alignment film.
  • the requirement is embodied in: reducing the influence of the touch, pressing and the like on the alignment of the thin film transistor liquid crystal display panel.
  • a conventional technical solution generally involves adding a crosslinking agent or a combination of the crosslinking agent and a catalyst to the material of the alignment film to increase the crosslinking density of the alignment film.
  • the crosslinking agent or the catalyst is a small molecular substance, and the crosslinking agent or the catalyst is easily volatilized during heat curing, thereby causing formation of defects in the formation of the alignment film, and it is difficult to effectively increase the hardness of the alignment film.
  • An object of the present invention is to provide an alignment film material and an aligning film.
  • the method can effectively increase the crosslinking density of the alignment film and increase the hardness of the alignment film.
  • An alignment film material comprising: polyimide; and a crosslinked polymer formed by crosslinking a first component; the first component is One of a phthalonitrile-containing diamine monomer, a phthalonitrile-containing dianhydride monomer, and an phthalonitrile compound; the cross-linked polymer is from the first component Forming a phthalonitrile group or the phthalonitrile compound by a second component catalyzing a crosslinking reaction; or the polyimide is composed of the third component and the first The four components are reacted to form a polyamic acid, which is then formed by thermal curing followed by ring closure.
  • the third component is a diamine monomer, a phthalonitrile-containing diamine monomer, and a benzene-containing compound. And one of the diamine monomers of the imidazole, the fourth component being one of a dianhydride monomer, a phthalic anhydride-containing dianhydride monomer, and a benzimidazole-containing dianhydride monomer.
  • the second component is used to catalyze the phthalonitrile group or the phthalonitrile compound in the first component to form the cross Copolymer.
  • the second component is one of a benzimidazole-containing diamine monomer, a benzimidazole-containing dianhydride monomer, and a benzimidazole compound.
  • the crosslinked polymer includes at least one of an isoindoline, a triazine ring, a dehydrophthalocyanine ring, and a phthalocyanine ring.
  • the isoindoline, the triazine ring, the dehydrophthalocyanine ring, and the phthalocyanine ring are all the first component in which the polyamic acid is thermally cured. Formed by the second component during the formation of the polyimide.
  • the crosslinked polymer is used to increase the crosslinking density of the alignment film corresponding to the alignment film material to increase the hardness of the alignment film.
  • An alignment film material comprising: polyimide; and a crosslinked polymer formed by a crosslinking reaction of the first component.
  • the first component is one of a phthalonitrile-containing diamine monomer, a phthalonitrile-containing dianhydride monomer, and an phthalonitrile compound.
  • the crosslinked polymer is catalyzed by a second component catalyzed cross-linking reaction by the phthalonitrile group or the phthalonitrile compound in the first component. Forming.
  • the second component is used to catalyze the phthalonitrile group or the phthalonitrile compound in the first component to form the cross Copolymer.
  • the second component is one of a benzimidazole-containing diamine monomer, a benzimidazole-containing dianhydride monomer, and a benzimidazole compound.
  • the crosslinked polymer includes at least one of an isoindoline, a triazine ring, a dehydrophthalocyanine ring, and a phthalocyanine ring.
  • the isoindoline, the triazine ring, the dehydrophthalocyanine ring, and the phthalocyanine ring are all the first component in which the polyamic acid is thermally cured. Formed by the second component during the formation of the polyimide.
  • the crosslinked polymer is used to increase the crosslinking density of the alignment film corresponding to the alignment film material to increase the hardness of the alignment film.
  • the polyimide is formed of a third component and a fourth component, the third component being a diamine monomer, a phthalonitrile-containing diamine monomer, and One of the diamine monomers of benzimidazole, the fourth component being one of a dianhydride monomer, a phthalic anhydride-containing dianhydride monomer, and a benzimidazole-containing dianhydride monomer .
  • the polyimide is formed by reacting the third component and the fourth component to form a polyamic acid, which is then ring-closed by heat curing.
  • a method for producing an alignment film comprising the steps of: forming a first component, a second component, a third component, and a fourth component into a polyamic acid and a crosslinked polymer, wherein
  • the first component is one of a phthalonitrile-containing diamine monomer, a phthalonitrile-containing dianhydride monomer, and an phthalonitrile compound
  • the second component is a benzophenone-containing compound.
  • the crosslinked polymer is crosslinked by a second component catalyzed by a phthalonitrile group or the phthalonitrile compound in the first component. Formed by reaction.
  • the polyimide is formed by reacting the third component and the fourth component to form the polyamic acid, and then the polyamic acid is thermally cured and then closed. Forming.
  • the present invention can increase the crosslinking density of the alignment film without additionally adding a catalyst, so that the hardness of the alignment film can be effectively increased.
  • 1 is a flow chart of a method of producing an alignment film of the present invention.
  • a first embodiment of the alignment film material of the present invention comprises a polyimide and a crosslinked polymer which is formed by a crosslinking reaction of the first component.
  • the first component is a phthalonitrile (group)-containing diamine monomer, a phthalonitrile-containing dianhydride monomer, and an phthalonitrile compound.
  • group a phthalonitrile (group)-containing diamine monomer
  • a phthalonitrile-containing dianhydride monomer a phthalonitrile compound
  • an phthalonitrile compound a phthalonitrile compound represented by the formula (1).
  • the crosslinked polymer may be, for example, any one of isoindolin (ISOINDOLINE), triazine ring (TRIAZINE), dehydrophthalocyanine ring (DEHYDROPHTHALOCYANINE), and phthalocyanine ring (PHTHALOCYANINE).
  • ISOINDOLINE isoindolin
  • TRIAZINE triazine ring
  • DEHYDROPHTHALOCYANINE dehydrophthalocyanine ring
  • phthalocyanine ring phthalocyanine ring
  • the structural formula of the isoindoline is as shown in the formula (2).
  • the structural formula of the dehydrophthalocyanine ring is represented by the formula (4).
  • the structural formula of the phthalocyanine ring is as shown in the formula (5).
  • the crosslinked polymer is used to increase the crosslink density of the alignment film corresponding to the alignment film material to increase the hardness of the alignment film.
  • the crosslinked polymer is formed by a cross-linking reaction of a phthalonitrile group or the phthalonitrile compound in the first component via a second component. of.
  • the second component is one of a benzimidazole (group)-containing diamine monomer, a benzimidazole (group)-containing dianhydride monomer, and a benzimidazole compound
  • a second component is used to catalyze the phthalonitrile group or the phthalonitrile compound in the first component to form the crosslinked polymer.
  • the structural formula of the benzimidazole-containing dianhydride monomer is represented by the formula (6).
  • the polyimide is formed (composed) of a third component and a fourth component, the third component being a diamine monomer, the adjacent One of a diamine monomer of a phthalonitrile, one of the benzimidazole-containing diamine monomers, the fourth component being a dianhydride monomer, the phthalonitrile-containing dianhydride One of the body, the benzimidazole-containing dianhydride monomer.
  • the polyimide is formed by reacting the third component and the fourth component to form a polyamic acid, and then the polyamic acid is thermally closed and then closed.
  • the polyimide is formed of the diamine monomer and the dianhydride monomer;
  • the polyimide is formed of the diamine monomer, the phthalonitrile-containing dianhydride monomer; or the polyimide is composed of the diamine monomer, the Forming a dianhydride monomer of benzimidazole; or, the polyimide is formed of the phthalonitrile-containing diamine monomer or the dianhydride monomer; or, the polyimide is composed of Forming the phthalonitrile-containing diamine monomer, the phthalonitrile-containing dianhydride monomer; or the polyimide is derived from the phthalonitrile-containing diamine Forming the benzimidazole-containing dianhydride monomer; or the polyimide is formed of the benzimidazole-containing diamine monomer or the dianhydride monomer; or the polyacyl group
  • the imine is formed from the benzimidazole-containing diamine monomer, the phthalonitrile
  • the above technical solution can increase the crosslinking density of the alignment film without additionally adding a catalyst, so that the hardness of the alignment film can be effectively increased.
  • Figure 1 is a flow chart of a method of fabricating an alignment film of the present invention.
  • the first component, the second component, the third component, and the fourth component are formed into a polyamic acid and a crosslinked polymer, wherein the first component is a phthalonitrile-containing diamine One of a body, a phthalonitrile-containing dianhydride monomer, and an phthalonitrile compound, the second component being a benzimidazole-containing diamine monomer, a benzimidazole-containing dianhydride monomer One of a bulk, benzimidazole compound, the third component comprising one of a diamine monomer, a phthalonitrile-containing diamine monomer, and a benzimidazole-containing diamine monomer,
  • the fourth component includes one of a dianhydride monomer, a phthalic anhydride-containing dianhydride monomer, and a benzimidazole-containing dianhydride monomer.
  • Coating a mixture containing the polyamic acid and the crosslinked polymer on a surface of a display device panel on which an alignment film to be formed which may be, for example, a thin film transistor (TFT, Thin) Film Transistor)
  • TFT thin film transistor
  • CF color Filter
  • the mixed solution coated on the display device plate on which the alignment film is to be formed is heated to cure the mixed liquid into an alignment film containing the crosslinked polymer and polyimide.
  • the crosslinked polymer is formed by a cross-linking reaction of a phthalonitrile group or the phthalonitrile compound in the first component via a second component. of.
  • the polyimide is formed by reacting the third component and the fourth component to form the polyamic acid, and then the polyamic acid is thermally closed and then closed.
  • Embodiment 1 The first component is the phthalonitrile-containing diamine monomer, the second component is the benzimidazole-containing diamine monomer, and the third component As the diamine monomer, the fourth component is the dianhydride monomer.
  • Embodiment 2 the first component is the phthalonitrile-containing dianhydride monomer, the second component is the benzimidazole-containing diamine monomer, and the third component As the diamine monomer, the fourth component is the dianhydride monomer.
  • Embodiment 3 the first component is the phthalonitrile compound, the second component is the benzimidazole compound, and the third component is the diamine monomer, The fourth component is the dianhydride monomer.
  • Embodiment 4 the first component and the third component are both the phthalonitrile-containing dianhydride monomers, and the second component and the fourth component are both Benzophenone A diamine monomer of imidazole.
  • Embodiment 5 the first component and the third component are both the phthalonitrile-containing diamine monomer, and the second component and the fourth component are both Benzimidazole-containing dianhydride monomer.
  • the above technical solution can make the prepared alignment film have a higher crosslinking density, that is, have the hardness of the delivery without requiring additional catalyst addition.

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Abstract

本发明公开了一种配向膜材料及配向膜的制造方法。所述配向膜材料包括：聚酰亚胺；以及交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的。本发明不需要额外添加催化剂即可以增加所述配向膜的交联密度，从而可以有效地增加所述配向膜的硬度。

Description

配向膜材料及配向膜的制造方法 【技术领域】
本发明涉及显示技术领域，特别涉及一种配向膜材料。
【背景技术】
在薄膜晶体管液晶显示面板(TFT-LCD，Thin Film Transistor Liquid Crystal Display)中，配向膜是很重要的部件。
随着技术的发展，薄膜晶体管液晶显示面板对配向膜的硬度的要求越来越高。该要求具体体现在：要减少对薄膜晶体管液晶显示面板的触控、按压等操作对配向的影响。
为了提高该配向膜的硬度，传统的技术方案一般是：在配向膜的材料中添加一些交联剂或所述交联剂与催化剂的组合，以增加所述配向膜的交联密度。该交联剂或该催化剂均是小分子物质，在热固化过程中，该交联剂或该催化剂很容易挥发，从而导致所形成的配向膜形成缺陷，并且难以有效地增加配向膜的硬度。
故，有必要提出一种新的技术方案，以解决上述技术问题。
【发明内容】
本发明的目的在于提供一种配向膜材料及配向膜的制造方 法，其能有效地增加配向膜的交联密度以及增加配向膜的硬度。
为解决上述问题，本发明的技术方案如下：
一种配向膜材料，所述配向膜材料包括：聚酰亚胺；以及交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的；所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者；所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的；或者所述聚酰亚胺是由所述第三组分和所述第四组分反应形成聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的，所述第三组分为二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分为二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者。
在上述配向膜材料中，所述第二组分用于对所述第一组分中的所述邻苯二甲腈基团或所述邻苯二甲腈化合物进行催化，以形成所述交联聚合物。
在上述配向膜材料中，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪唑化合物中的一者。
在上述配向膜材料中，所述交联聚合物包括异吲哚啉、三嗪环、脱氢酞菁环、酞菁环中的至少一者。
在上述配向膜材料中，所述异吲哚啉、所述三嗪环、所述脱氢酞菁环、所述酞菁环均是所述第一组分在对聚酰胺酸进行热固化以形成所述聚酰亚胺的过程中经所述第二组分催化形成的。
在上述配向膜材料中，所述交联聚合物用于增加所述配向膜材料所对应的配向膜的交联密度，以提高所述配向膜的硬度。
一种配向膜材料，所述配向膜材料包括：聚酰亚胺；以及交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的。
在上述配向膜材料中，所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者。
在上述配向膜材料中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的。
在上述配向膜材料中，所述第二组分用于对所述第一组分中的所述邻苯二甲腈基团或所述邻苯二甲腈化合物进行催化，以形成所述交联聚合物。
在上述配向膜材料中，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪唑化合物中的一者。
在上述配向膜材料中，所述交联聚合物包括异吲哚啉、三嗪环、脱氢酞菁环、酞菁环中的至少一者。
在上述配向膜材料中，所述异吲哚啉、所述三嗪环、所述脱氢酞菁环、所述酞菁环均是所述第一组分在对聚酰胺酸进行热固化以形成所述聚酰亚胺的过程中经所述第二组分催化形成的。
在上述配向膜材料中，所述交联聚合物用于增加所述配向膜材料所对应的配向膜的交联密度，以提高所述配向膜的硬度。
在上述配向膜材料中，所述聚酰亚胺由第三组分和第四组分形成，所述第三组分为二胺单体、含邻苯二甲腈的二胺单体、含 苯并咪唑的二胺单体中的一者，所述第四组分为二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者。
在上述配向膜材料中，所述聚酰亚胺是由所述第三组分和所述第四组分反应形成聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
一种配向膜的制造方法，所述方法包括以下步骤：将第一组分、第二组分、第三组分和第四组分制成聚酰胺酸和交联聚合物，其中，所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪唑化合物中的一者，所述第三组分包括二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分包括二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者；将含有所述聚酰胺酸与所述交联聚合物的混合液涂布在待形成配向膜的显示器件板的表面；对涂布在所述待形成配向膜的显示器件板上的所述混合液进行加热，以使所述混合液固化成含有所述交联聚合物和聚酰亚胺的配向膜。
在上述配向膜的制造方法中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的。
在上述配向膜的制造方法中，所述聚酰亚胺是由所述第三组分和所述第四组分反应形成所述聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
相对现有技术，本发明不需要额外添加催化剂即可以增加所述配向膜的交联密度，从而可以有效地增加所述配向膜的硬度。
为让本发明的上述内容能更明显易懂，下文特举优选实施例，并配合所附图式，作详细说明如下。
【附图说明】
图1为本发明的配向膜的制造方法的流程图。
【具体实施方式】
本说明书所使用的词语“实施例”意指实例、示例或例证。此外，本说明书和所附权利要求中所使用的冠词“一”一般地可以被解释为“一个或多个”，除非另外指定或从上下文可以清楚确定单数形式。
本发明的配向膜材料的第一实施例包括聚酰亚胺以及交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的。
其中，所述第一组分为含邻苯二甲腈(基团)的二胺单体、含邻苯二甲腈(基团)的二酐单体、邻苯二甲腈化合物中的一者。所述含邻苯二甲腈的二胺单体的结构式如式(1)所示。
Figure PCTCN2015094808-appb-000001
式(1)
其中，所述交联聚合物可例如为异吲哚啉(ISOINDOLINE)、三嗪环(TRIAZINE)、脱氢酞菁环(DEHYDROPHTHALOCYANINE)、酞菁环(PHTHALOCYANINE)中的任意一者。所述异吲哚啉、所述三嗪环、所述脱氢酞菁环、所述酞菁环均是所述第一组分在对聚酰胺酸进行热固化以形成所述聚酰亚胺的过程中经所述第二组分催化形成的。
所述异吲哚啉的结构式如式(2)所示。
Figure PCTCN2015094808-appb-000002
式(2)
所述三嗪环的结构式如式(3)所示。
Figure PCTCN2015094808-appb-000003
式(3)
所述脱氢酞菁环的结构式如式(4)所示。
Figure PCTCN2015094808-appb-000004
式(4)
所述酞菁环的结构式如式(5)所示。
Figure PCTCN2015094808-appb-000005
式(5)
在本实施例中，所述交联聚合物用于增加所述配向膜材料所对应的配向膜的交联密度，以提高所述配向膜的硬度。
本发明的配向膜材料的第二实施例与上述第一实施例相似，不同之处在于：
在本实施例中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的。
其中，所述第二组分为含苯并咪唑(基团)的二胺单体、含苯并咪唑(基团)的二酐单体、苯并咪唑化合物中的一者，所述 第二组分用于对所述第一组分中的所述邻苯二甲腈基团或所述邻苯二甲腈化合物进行催化，以形成所述交联聚合物。所述含苯并咪唑的二酐单体的结构式如式(6)所示。
Figure PCTCN2015094808-appb-000006
式(6)
在上述第一实施例和第二实施例中，所述聚酰亚胺由第三组分和第四组分形成(组成)，所述第三组分为二胺单体、所述含邻苯二甲腈的二胺单体、所述含苯并咪唑的二胺单体中的一者，所述第四组分为二酐单体、所述含邻苯二甲腈的二酐单体、所述含苯并咪唑的二酐单体中的一者。
其中，所述聚酰亚胺是由所述第三组分和所述第四组分反应形成聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
例如，所述聚酰亚胺由所述二胺单体、所述二酐单体形成； 或者，所述聚酰亚胺由所述二胺单体、所述含邻苯二甲腈的二酐单体形成；或者，所述聚酰亚胺由所述二胺单体、所述含苯并咪唑的二酐单体形成；或者，所述聚酰亚胺由所述含邻苯二甲腈的二胺单体、所述二酐单体形成；或者，所述聚酰亚胺由所述含邻苯二甲腈的二胺单体、所述含邻苯二甲腈的二酐单体形成；或者，所述聚酰亚胺由所述含邻苯二甲腈的二胺单体、所述含苯并咪唑的二酐单体形成；或者，所述聚酰亚胺由所述含苯并咪唑的二胺单体、所述二酐单体形成；或者，所述聚酰亚胺由所述含苯并咪唑的二胺单体、所述含邻苯二甲腈的二酐单体形成；或者，所述聚酰亚胺由所述含苯并咪唑的二胺单体、所述含苯并咪唑的二酐单体形成。
上述技术方案不需要额外添加催化剂即可以增加所述配向膜的交联密度，从而可以有效地增加所述配向膜的硬度。
参考图1，图1为本发明的配向膜的制造方法的流程图。
本实施例的配向膜的制造方法包括以下步骤：
将第一组分、第二组分、第三组分和第四组分制成聚酰胺酸和交联聚合物，其中，所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪唑化合物中的一者，所述第三组分包括二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分包括二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者。
将含有所述聚酰胺酸与所述交联聚合物的混合液涂布在待形成配向膜的显示器件板的表面，所述待形成配向膜的显示器件板可例如为薄膜晶体管(TFT，Thin Film Transistor)阵列基板或彩膜(CF，Color Filter)基板。
对涂布在所述待形成配向膜的显示器件板上的所述混合液进行加热，以使所述混合液固化成含有所述交联聚合物和聚酰亚胺的配向膜。
在本实施例中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的。
所述聚酰亚胺是由所述第三组分和所述第四组分反应形成所述聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
实施例一：所述第一组分为所述含邻苯二甲腈的二胺单体，所述第二组分为所述含苯并咪唑的二胺单体，所述第三组分为所述二胺单体，所述第四组分为所述二酐单体。
实施例二：所述第一组分为所述含邻苯二甲腈的二酐单体，所述第二组分为所述含苯并咪唑的二胺单体，所述第三组分为所述二胺单体，所述第四组分为所述二酐单体。
实施例三：所述第一组分为所述邻苯二甲腈化合物，所述第二组分为所述苯并咪唑化合物，所述第三组分为所述二胺单体，所述第四组分为所述二酐单体。
实施例四：所述第一组分和所述第三组分均为所述含邻苯二甲腈的二酐单体，所述第二组分和所述第四组分均为所述含苯并 咪唑的二胺单体。
实施例五：所述第一组分和所述第三组分均为所述含邻苯二甲腈的二胺单体，所述第二组分和所述第四组分均为所述含苯并咪唑的二酐单体。
如此类推。
上述技术方案可以使得所制成的配向膜具有较高的交联密度，即，具有交稿的硬度，而不需要额外添加催化剂。
尽管已经相对于一个或多个实现方式示出并描述了本发明，但是本领域技术人员基于对本说明书和附图的阅读和理解将会想到等价变型和修改。本发明包括所有这样的修改和变型，并且仅由所附权利要求的范围限制。此外，尽管本说明书的特定特征已经相对于若干实现方式中的仅一个被公开，但是这种特征可以与如可以对给定或特定应用而言是期望和有利的其他实现方式的一个或多个其他特征组合。而且，就术语“包括”、“具有”、“含有”或其变形被用在具体实施方式或权利要求中而言，这样的术语旨在以与术语“包含”相似的方式包括。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (19)

  1. 一种配向膜材料，其中，所述配向膜材料包括：
    聚酰亚胺；以及
    交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的；
    所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者；
    所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的；或者
    所述聚酰亚胺是由所述第三组分和所述第四组分反应形成聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的，所述第三组分为二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分为二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者。
  2. 根据权利要求1所述的配向膜材料，其中，所述第二组分用于对所述第一组分中的所述邻苯二甲腈基团或所述邻苯二甲腈化合物进行催化，以形成所述交联聚合物。
  3. 根据权利要求2所述的配向膜材料，其中，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪唑化合物中的一者。
  4. 根据权利要求1所述的配向膜材料，其中，所述交联聚 合物包括异吲哚啉、三嗪环、脱氢酞菁环、酞菁环中的至少一者。
  5. 根据权利要求4所述的配向膜材料，其中，所述异吲哚啉、所述三嗪环、所述脱氢酞菁环、所述酞菁环均是所述第一组分在对聚酰胺酸进行热固化以形成所述聚酰亚胺的过程中经所述第二组分催化形成的。
  6. 根据权利要求1所述的配向膜材料，其中，所述交联聚合物用于增加所述配向膜材料所对应的配向膜的交联密度，以提高所述配向膜的硬度。
  7. 一种配向膜材料，其中，所述配向膜材料包括：
    聚酰亚胺；以及
    交联聚合物，所述交联聚合物是由第一组分经过交联反应形成的。
  8. 根据权利要求7所述的配向膜材料，其中，所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者。
  9. 根据权利要求8所述的配向膜材料，其中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的。
  10. 根据权利要求9所述的配向膜材料，其中，所述第二组分用于对所述第一组分中的所述邻苯二甲腈基团或所述邻苯二甲腈化合物进行催化，以形成所述交联聚合物。
  11. 根据权利要求10所述的配向膜材料，其中，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并咪 唑化合物中的一者。
  12. 根据权利要求9所述的配向膜材料，其中，所述交联聚合物包括异吲哚啉、三嗪环、脱氢酞菁环、酞菁环中的至少一者。
  13. 根据权利要求12所述的配向膜材料，其中，所述异吲哚啉、所述三嗪环、所述脱氢酞菁环、所述酞菁环均是所述第一组分在对聚酰胺酸进行热固化以形成所述聚酰亚胺的过程中经所述第二组分催化形成的。
  14. 根据权利要求7所述的配向膜材料，其中，所述交联聚合物用于增加所述配向膜材料所对应的配向膜的交联密度，以提高所述配向膜的硬度。
  15. 根据权利要求7所述的配向膜材料，其中，所述聚酰亚胺由第三组分和第四组分形成，所述第三组分为二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分为二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者。
  16. 根据权利要求15所述的配向膜材料，其中，所述聚酰亚胺是由所述第三组分和所述第四组分反应形成聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
  17. 一种配向膜的制造方法，其中，所述方法包括以下步骤：
    将第一组分、第二组分、第三组分和第四组分制成聚酰胺酸和交联聚合物，其中，所述第一组分为含邻苯二甲腈的二胺单体、含邻苯二甲腈的二酐单体、邻苯二甲腈化合物中的一者，所述第二组分为含苯并咪唑的二胺单体、含苯并咪唑的二酐单体、苯并 咪唑化合物中的一者，所述第三组分包括二胺单体、含邻苯二甲腈的二胺单体、含苯并咪唑的二胺单体中的一者，所述第四组分包括二酐单体、含邻苯二甲腈的二酐单体、含苯并咪唑的二酐单体中的一者；
    将含有所述聚酰胺酸与所述交联聚合物的混合液涂布在待形成配向膜的显示器件板的表面；
    对涂布在所述待形成配向膜的显示器件板上的所述混合液进行加热，以使所述混合液固化成含有所述交联聚合物和聚酰亚胺的配向膜。
  18. 根据权利要求17所述的配向膜的制造方法，其中，所述交联聚合物是由所述第一组分中的邻苯二甲腈基团或所述邻苯二甲腈化合物经第二组分催化发生交联反应而形成的.
  19. 根据权利要求17所述的配向膜的制造方法，其中，所述聚酰亚胺是由所述第三组分和所述第四组分反应形成所述聚酰胺酸，然后所述聚酰胺酸经过热固化后闭环而形成的。
PCT/CN2015/094808 2015-10-12 2015-11-17 配向膜材料及配向膜的制造方法 Ceased WO2017063248A1 (zh)

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