WO2014104320A1 - Composition for forming cured film, orientation material, and phase difference material - Google Patents
Composition for forming cured film, orientation material, and phase difference material Download PDFInfo
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- 0 O=C(C1=*=S1(c1ccccc1)=O)c1ccccc1 Chemical compound O=C(C1=*=S1(c1ccccc1)=O)c1ccccc1 0.000 description 6
- WHZSSMTVYDQLGZ-UHFFFAOYSA-N CC(C12)(C=CC=C1C=CC=C2C(N1OS(C)(=O)=O)=O)C1=O Chemical compound CC(C12)(C=CC=C1C=CC=C2C(N1OS(C)(=O)=O)=O)C1=O WHZSSMTVYDQLGZ-UHFFFAOYSA-N 0.000 description 1
- HROJPONSNMJGMP-UHFFFAOYSA-N CCCS(ON(C(c1c2c3cccc2ccc1)=O)C3=O)(=O)=O Chemical compound CCCS(ON(C(c1c2c3cccc2ccc1)=O)C3=O)(=O)=O HROJPONSNMJGMP-UHFFFAOYSA-N 0.000 description 1
- BGQQBDUSVGFSGX-UHFFFAOYSA-N CCS(ON(C(c1cccc2cccc3c12)O)C3=O)(=O)=O Chemical compound CCS(ON(C(c1cccc2cccc3c12)O)C3=O)(=O)=O BGQQBDUSVGFSGX-UHFFFAOYSA-N 0.000 description 1
- BKQXXLVXLSREHB-UHFFFAOYSA-N Cc(cc1)ccc1S(ON(C(c1c2c3cccc2ccc1)=O)C3=O)(=O)=O Chemical compound Cc(cc1)ccc1S(ON(C(c1c2c3cccc2ccc1)=O)C3=O)(=O)=O BKQXXLVXLSREHB-UHFFFAOYSA-N 0.000 description 1
- KUXDDVUXCGCYFX-UHFFFAOYSA-N Cc(cc1)ccc1S(S(c1ccc(C)cc1)(=O)=O)(=O)=O Chemical compound Cc(cc1)ccc1S(S(c1ccc(C)cc1)(=O)=O)(=O)=O KUXDDVUXCGCYFX-UHFFFAOYSA-N 0.000 description 1
- LWHOMMCIJIJIGV-UHFFFAOYSA-N O=C(c1c2c(C3=O)cccc2ccc1)N3OS(C(F)(F)F)(=O)=O Chemical compound O=C(c1c2c(C3=O)cccc2ccc1)N3OS(C(F)(F)F)(=O)=O LWHOMMCIJIJIGV-UHFFFAOYSA-N 0.000 description 1
- CXJVMJWCNFOERL-UHFFFAOYSA-N O=S(c1ccccc1)(S(c1ccccc1)(=O)=O)=O Chemical compound O=S(c1ccccc1)(S(c1ccccc1)(=O)=O)=O CXJVMJWCNFOERL-UHFFFAOYSA-N 0.000 description 1
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/58—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide containing oxygen in addition to the carbonamido oxygen, e.g. N-methylolacrylamide, N-(meth)acryloylmorpholine
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- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/132—Phenols containing keto groups, e.g. benzophenones
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- C08K5/00—Use of organic ingredients
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- C08K5/13—Phenols; Phenolates
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
- C08L101/10—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing hydrolysable silane groups
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/24—Homopolymers or copolymers of amides or imides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- C08L2312/00—Crosslinking
Abstract
Description
そして、観察者がメガネを着用して3D画像を観察するディスプレイの方式の1つとしては、円偏光メガネ方式等が知られている(例えば、特許文献1を参照。)。 There are various 3D display methods for displaying 3D images, and lenticular lens methods, parallax barrier methods, and the like are known as methods that do not require dedicated glasses.
And as one of the display systems in which an observer wears glasses and observes a 3D image, a circularly polarized glasses system or the like is known (see, for example, Patent Document 1).
通常、液晶パネルの液晶を配向させるためには、光配向性の配向材の表面のみを二量化反応させればよい。しかし、上述のアクリル樹脂等の従来材料を用いて形成する配向材に溶剤耐性を発現させようとすると、配向材の内部にまで反応を進行させる必要がある。そのためにより多くの偏光露光量が必要となる、すなわち、従来の材料を用いた配向材の配向感度は非常に小さくなるという問題があった。 Specifically, when an alignment material is formed using an acrylic resin having a photodimerization site such as a cinnamoyl group in the side chain, and the polymerizable liquid crystal is to be aligned, first, light generated by a photodimerization reaction in the acrylic resin or the like. Crosslinking proceeds. Furthermore, it is necessary to irradiate polarized light so as to develop resistance (solvent resistance) to the polymerizable liquid crystal solution.
Usually, in order to align the liquid crystal of the liquid crystal panel, it is only necessary to dimerize only the surface of the photo-alignment alignment material. However, if it is attempted to develop solvent resistance in an alignment material formed using a conventional material such as the above-described acrylic resin, it is necessary to cause the reaction to proceed into the alignment material. Therefore, there is a problem that a larger amount of polarized light exposure is required, that is, the alignment sensitivity of the alignment material using the conventional material is very small.
(A)光配向性基とヒドロキシ基、カルボキシル基、アミノ基およびアルコキシシリル基のうちのいずれかから選ばれる少なくとも一種の置換基とを有する化合物、及び
(B)(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマー
を含有することを特徴とする、硬化膜形成組成物に関する。
本発明の第1の態様において、(A)成分の光配向性基が光二量化または光異性化する構造の官能基であることが好ましい。
本発明の第1の態様において、(A)成分の光配向性基がシンナモイル基であることが好ましい。
本発明の第1の態様において、(A)成分の光配向性基がアゾベンゼン構造の基であることが好ましい。
本発明の第1の態様において、(A)成分と(B)成分のほかに(C)架橋触媒をさらに含有することが好ましい。
本発明の第1の態様において、(B)成分のポリマーは重量平均分子量が1,000~100,000であることが好ましい。 The first aspect of the present invention is:
(A) A compound having a photo-alignment group and at least one substituent selected from a hydroxy group, a carboxyl group, an amino group, and an alkoxysilyl group, and (B) capable of thermal reaction with the component (A). The present invention relates to a cured film-forming composition comprising a polymer having various substituents and capable of self-crosslinking.
In the first aspect of the present invention, it is preferable that the photoalignable group of the component (A) is a functional group having a structure that undergoes photodimerization or photoisomerization.
In the first aspect of the present invention, the photoalignable group of the component (A) is preferably a cinnamoyl group.
In the first aspect of the present invention, the photoalignable group of the component (A) is preferably a group having an azobenzene structure.
In the first aspect of the present invention, it is preferable to further contain (C) a crosslinking catalyst in addition to the components (A) and (B).
In the first embodiment of the present invention, the polymer of the component (B) preferably has a weight average molecular weight of 1,000 to 100,000.
本発明の硬化膜形成組成物は、(A)光配向性基とヒドロキシ基、カルボキシル基、アミノ基およびアルコキシシリル基のうちのいずれかから選ばれる少なくとも一種の置換基を有する化合物、(B)(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマーとを含有する。本発明の硬化膜形成組成物は、(A)成分、(B)成分に加えて、さらに、(C)成分として架橋触媒を含有することができる。そして、本発明の効果を損なわない限りにおいて、その他の添加剤を含有することができる。 <Curing film forming composition>
The cured film forming composition of the present invention includes (A) a compound having a photo-alignment group and at least one substituent selected from any of a hydroxy group, a carboxyl group, an amino group, and an alkoxysilyl group, (B) (A) It contains a component having a substituent capable of thermally reacting with the component and capable of self-crosslinking. The cured film forming composition of the present invention can further contain a crosslinking catalyst as the component (C) in addition to the component (A) and the component (B). And as long as the effect of this invention is not impaired, another additive can be contained.
本発明の硬化膜形成組成物において、(A)成分は光配向性基、並びに、ヒドロキシ基、カルボキシル基、アミノ基およびアルコキシシリル基のうちのいずれかから選ばれる少なくとも一種の基を有する化合物とすることができる(以下、(A)成分を“(低分子)光配向成分”とも称する。)。
尚、本発明において、光配向性基とは、一般に光照射によって配向する性質を発揮する官能基を指し、代表的には光二量化または光異性化する構造部位の官能基を言う。その他の光配向性基としては、たとえば光フリース転位反応を起こす官能基(例示化合物:安息香酸エステル化合物など)、光分解反応を起こす基(例示化合物;シクロブタン環など)などが挙げられる。 <(A) component>
In the cured film forming composition of the present invention, the component (A) includes a photo-alignment group and a compound having at least one group selected from a hydroxy group, a carboxyl group, an amino group, and an alkoxysilyl group. (Hereinafter, the component (A) is also referred to as “(low molecular weight) photo-alignment component”).
In the present invention, the photo-alignment group generally refers to a functional group that exhibits the property of being aligned by light irradiation, and typically refers to a functional group at a structural site that undergoes photodimerization or photoisomerization. Examples of other photo-alignment groups include a functional group that causes a photofleece rearrangement reaction (example compound: benzoate ester compound), a group that causes a photodecomposition reaction (example compound: cyclobutane ring, etc.), and the like.
X11は単結合、エーテル結合、エステル結合、アミド結合、ウレタン結合、アミノ結合又はそれらの組み合わせから選ばれる1種又は2種以上の結合、或いは該1種又は2種以上の結合を介して、炭素原子数1乃至18のアルキレン、フェニレン、ビフェニレン又はそれらの組み合わせから選ばれる1乃至3の置換基が結合してなる構造であって、前記置換基は前記結合を介してそれぞれ複数個が連結してなる構造であってもよい。
X12は水素原子、ハロゲン原子、シアノ基、炭素原子数1乃至18のアルキル基、フェニル基、ビフェニル基又はシクロヘキシル基を表す。その際、炭素原子数1乃至18のアルキル基、フェニル基、ビフェニル基及びシクロヘキシル基は、共有結合、エーテル結合、エステル結合、アミド結合又は尿素結合を介して2種以上の基が結合してもよい。
X13はヒドロキシ基、メルカプト基、炭素原子数1乃至10のアルコキシ基、炭素原子数1乃至10のアルキルチオ基、フェノキシ基、ビフェニルオキシ基又はフェニル基を表す。
X14は単結合、炭素原子数1乃至20のアルキレン基、2価の芳香族環基、又は、2価の脂肪族環基を表す。ここで炭素原子数1乃至20のアルキレン基は分岐状でも直鎖状でもよい。
X15はヒドロキシ基、カルボキシル基、アミノ基又はアルコキシシリル基を表す。
X16は単結合、酸素原子又は硫黄原子を表す。 In the formula, A 1 and A 2 each independently represent a hydrogen atom or a methyl group.
X 11 is a single bond, an ether bond, an ester bond, an amide bond, a urethane bond, an amino bond, or a combination thereof, or a combination thereof, or through one or more bonds. A structure in which 1 to 3 substituents selected from alkylene having 1 to 18 carbon atoms, phenylene, biphenylene, or a combination thereof are bonded to each other, and a plurality of these substituents are linked via the bond. It may be a structure.
X 12 represents a hydrogen atom, a halogen atom, a cyano group, an alkyl group having 1 to 18 carbon atoms, a phenyl group, a biphenyl group, or a cyclohexyl group. At that time, an alkyl group having 1 to 18 carbon atoms, a phenyl group, a biphenyl group, and a cyclohexyl group may be bonded to two or more groups via a covalent bond, an ether bond, an ester bond, an amide bond, or a urea bond. Good.
X 13 represents a hydroxy group, a mercapto group, an alkoxy group having 1 to 10 carbon atoms, an alkylthio group having 1 to 10 carbon atoms, a phenoxy group, a biphenyloxy group, or a phenyl group.
X 14 represents a single bond, an alkylene group having 1 to 20 carbon atoms, a divalent aromatic ring group, or a divalent aliphatic ring group. Here, the alkylene group having 1 to 20 carbon atoms may be branched or linear.
X 15 represents a hydroxy group, a carboxyl group, an amino group or an alkoxysilyl group.
X 16 represents a single bond, an oxygen atom or a sulfur atom.
本発明の硬化膜形成組成物において、(B)成分は(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマー(以下特定(共)重合体ともいう)である。
詳細には、(B)成分は特定架橋性置換基、より具体的には自己架橋反応を起こすことが可能であって、そして(A)成分の昇華温度より低温で(A)成分と熱反応する架橋性置換基を有するポリマーである。こうしたポリマーを(B)成分として採用することにより、(B)成分は自己架橋反応を起こすとともに、(A)成分の昇華温度より低温で(A)成分と反応(熱反応)し、(A)成分が昇華するのを抑制することができる。そして、本発明の硬化膜形成組成物は、硬化膜として、上述したように、置換基の光反応効率の高い配向材を形成することができる。 <(B) component>
In the cured film forming composition of the present invention, the component (B) is a polymer (hereinafter also referred to as a specific (co) polymer) having a substituent capable of thermally reacting with the component (A) and capable of self-crosslinking.
Specifically, the component (B) is capable of causing a specific crosslinkable substituent, more specifically, a self-crosslinking reaction, and is thermally reacted with the component (A) at a temperature lower than the sublimation temperature of the component (A). It is a polymer having a crosslinkable substituent. By adopting such a polymer as the component (B), the component (B) undergoes a self-crosslinking reaction, reacts with the component (A) at a temperature lower than the sublimation temperature of the component (A) (thermal reaction), and (A) It can suppress that a component sublimates. And the cured film formation composition of this invention can form the orientation material with high photoreaction efficiency of a substituent as mentioned above as a cured film.
そのようなポリマーとしては、例えば、ポリ(3-メタクリロキシプロピルトリメトキシシラン)、3-メタクリロキシプロピルトリメトキシシランとスチレンとの共重合体、ポリ(3-アクリロキシプロピルトリメトキシシラン)、3-アクリロキシプロピルトリメトキシシランとメチルメタクリレートとの共重合体等が挙げられる。 In addition, as the polymer of component (B), compounds having trialkoxysilyl groups, such as (meth) acrylic silane such as 3- (meth) acryloxypropyltrimethoxysilane, 3- (meth) acryloxypropyltriethoxysilane, etc. ) A (C 1-5 alkoxy) 3 Si—X-ester of acrylic acid (where X represents the same meaning as described above) is used as a monomer having a specific crosslinkable substituent, and optionally further co-polymerized with the monomer. Polymers produced using polymerizable monomers (see below) can also be used.
Examples of such a polymer include poly (3-methacryloxypropyltrimethoxysilane), a copolymer of 3-methacryloxypropyltrimethoxysilane and styrene, poly (3-acryloxypropyltrimethoxysilane), 3 -A copolymer of acryloxypropyltrimethoxysilane and methyl methacrylate.
以下、上記モノマーの具体例を挙げるが、本発明は、これらに限定されるものではない。 Specific examples of the monomer having a non-crosslinkable substituent include acrylic ester compounds, methacrylic ester compounds, maleimide compounds, acrylamide compounds, methacrylamide compounds, acrylonitrile, styrene compounds and vinyl compounds.
Hereinafter, although the specific example of the said monomer is given, this invention is not limited to these.
上述したアクリルアミド化合物としては、アクリルアミド、N-メチルアクリルアミド、N-エチルアクリルアミド、N-ベンジルアクリルアミド、N-フェニルアクリルアミド、及びN,N-ジメチルアクリルアミド等が挙げられる。
上述したメタクリルアミド化合物としては、メタクリルアミド、N-メチルメタクリルアミド、N-エチルメタクリルアミド、N-ベンジルメタクリルアミド、N-フェニルメタクリルアミド、及びN,N-ジメチルメタクリルアミド等が挙げられる。
なお、ヒドロキシ基、カルボキシル基およびアミノ基から選ばれる置換基を有するモノマーも、本発明の効果を損なわない限り(B)成分の共重合可能なモノマーとして併用することができるが、(A)成分との熱反応を効率的に行う観点からは、むしろそのようなモノマー由来の繰り返し単位は(B)成分に含まれない方が好ましく、含まれていたとしても、(B)成分のポリマーにおける繰り返し単位1単位あたり0.1単位未満であることが好ましい。 Examples of the maleimide compound described above include maleimide, N-methylmaleimide, N-phenylmaleimide, and N-cyclohexylmaleimide.
Examples of the acrylamide compound described above include acrylamide, N-methylacrylamide, N-ethylacrylamide, N-benzylacrylamide, N-phenylacrylamide, and N, N-dimethylacrylamide.
Examples of the methacrylamide compounds mentioned above include methacrylamide, N-methyl methacrylamide, N-ethyl methacrylamide, N-benzyl methacrylamide, N-phenyl methacrylamide, N, N-dimethyl methacrylamide and the like.
A monomer having a substituent selected from a hydroxy group, a carboxyl group and an amino group can also be used as a copolymerizable monomer of the component (B) as long as the effects of the present invention are not impaired. From the viewpoint of efficiently performing the thermal reaction with, it is preferable that the repeating unit derived from such a monomer is not included in the component (B), and even if it is included, the repeating unit in the polymer of the component (B) It is preferably less than 0.1 unit per unit.
このようにして得られ(B)成分のポリマーである特定(共)重合体は、通常、溶剤に溶解した溶液の状態であり、本発明において(B)成分の溶液としてそのまま使用することができる。 The method for obtaining the polymer (B): specific (co) polymer used in the cured film forming composition of the present invention is not particularly limited. For example, the monomer having the specific crosslinkable substituent described above, and optionally non-crosslinkable It is obtained by carrying out a polymerization reaction at a temperature of 50 ° C. to 110 ° C. in a solvent in which a monomer having a substituent and a polymerization initiator coexist. In that case, the solvent used will not be specifically limited if the monomer which has a specific crosslinkable substituent, the monomer which has a non-crosslinkable substituent used as needed, a polymerization initiator, etc. are melt | dissolved. Specific examples include solvents described in Solvents described below.
The specific (co) polymer which is the polymer of the component (B) thus obtained is usually in a solution state dissolved in a solvent and can be used as it is as the solution of the component (B) in the present invention. .
本発明の硬化膜形成組成物は、上述した(A)成分、(B)成分およびに加え、所望により(C)成分として架橋触媒を含有することができる。 <C component>
The cured film forming composition of the present invention may contain a crosslinking catalyst as the component (C) as desired in addition to the components (A) and (B) described above.
本発明の硬化膜形成組成物は、主として溶剤に溶解した溶液状態で用いられ得る。その際に使用する溶剤は、(A)成分および(B)成分、そのほか必要に応じて(C)成分および後述するその他添加剤を溶解できればよく、その種類および構造などは特に限定されるものでない。 <Solvent>
The cured film forming composition of the present invention can be used mainly in a solution state dissolved in a solvent. The solvent used at that time is not particularly limited as long as it can dissolve the component (A) and the component (B) and, if necessary, the component (C) and other additives described later. .
さらに、本発明の硬化膜形成組成物は、本発明の効果を損なわない限りにおいて、必要に応じて、増感剤、シランカップリング剤、界面活性剤、レオロジー調整剤、顔料、染料、保存安定剤、消泡剤、酸化防止剤等を含有することができる。 <Other additives>
Furthermore, the cured film-forming composition of the present invention is a sensitizer, a silane coupling agent, a surfactant, a rheology modifier, a pigment, a dye, a storage stability, if necessary, as long as the effects of the present invention are not impaired. Agents, antifoaming agents, antioxidants, and the like.
本発明の硬化膜形成組成物は、(A)成分である低分子光配向成分と、(B)成分である(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマーとが溶媒に溶解したものである。さらに、本発明の硬化膜形成組成物は、(C)成分として架橋触媒を含有することができる。そして、本発明の効果を損なわない限りにおいて、その他の添加剤を含有することができる。 <Preparation of cured film forming composition>
The cured film forming composition of the present invention comprises a low molecular photo-alignment component that is component (A), a polymer that has a substituent that can be thermally reacted with component (A) that is component (B) and is capable of self-crosslinking. Is dissolved in a solvent. Furthermore, the cured film forming composition of this invention can contain a crosslinking catalyst as (C) component. And as long as the effect of this invention is not impaired, another additive can be contained.
[1]:(A)成分と(B)成分の配合比が質量比で5:95~60:40であり、(A)成分と(B)成分の他に溶剤を含有する硬化膜形成組成物。
[2]:(A)成分と(B)成分の配合比が質量比で5:95~60:40であり、(A)成分と(B)成分との合計量の100質量部に基づいて、0.01質量部~10質量部の(C)成分、溶剤を含有する硬化膜形成組成物。 Preferred examples of the cured film forming composition of the present invention are as follows.
[1]: The composition ratio of the component (A) and the component (B) is 5:95 to 60:40 by mass ratio, and a cured film forming composition containing a solvent in addition to the components (A) and (B) object.
[2]: The mixing ratio of the component (A) and the component (B) is 5:95 to 60:40 by mass ratio, and is based on 100 parts by mass of the total amount of the components (A) and (B). A cured film forming composition containing 0.01 to 10 parts by mass of component (C) and a solvent.
本発明の硬化膜形成組成物における固形分の割合は、各成分が均一に溶剤に溶解している限り、特に限定されるものではないが、1質量%~80質量%であり、好ましくは3質量%~60質量%であり、より好ましくは5質量%~40質量%である。ここで、固形分とは、硬化膜形成組成物の全成分から溶剤を除いたものをいう。 The blending ratio, preparation method, and the like when the cured film forming composition of the present invention is used as a solution are described in detail below.
The ratio of the solid content in the cured film forming composition of the present invention is not particularly limited as long as each component is uniformly dissolved in the solvent, but it is 1% by mass to 80% by mass, preferably 3%. The mass is from 60% by mass to 60% by mass, and more preferably from 5% by mass to 40% by mass. Here, solid content means what remove | excluded the solvent from all the components of the cured film formation composition.
本発明の硬化膜形成組成物は、その溶液を基板(例えば、シリコン/二酸化シリコン被覆基板、シリコンナイトライド基板、金属、例えば、アルミニウム、モリブデン、クロムなどが被覆された基板、ガラス基板、石英基板、ITO基板等)やフィルム(例えば、トリアセチルセルロース(TAC)フィルム、シクロオレフィンポリマーフィルム、ポリエチレンテレフタレートフィルム、アクリルフィルム等の樹脂フィルム)等の上に、バーコート、回転塗布、流し塗布、ロール塗布、スリット塗布、スリットに続いた回転塗布、インクジェット塗布、印刷などによって塗布して塗膜を形成し、その後、ホットプレートまたはオーブン等で加熱乾燥することにより、硬化膜を形成することができる。 <Hardened film, alignment material and retardation material>
In the cured film forming composition of the present invention, the solution is applied to a substrate (for example, a silicon / silicon dioxide-coated substrate, a silicon nitride substrate, a substrate coated with a metal such as aluminum, molybdenum, or chromium, a glass substrate, or a quartz substrate. , ITO substrate, etc.) and films (for example, triacetyl cellulose (TAC) film, cycloolefin polymer film, polyethylene terephthalate film, resin film such as acrylic film), etc., bar coating, spin coating, flow coating, roll coating A cured film can be formed by coating by slit coating, spin coating following the slit, inkjet coating, printing, or the like to form a coating film, followed by heat drying with a hot plate or oven.
そのため、本発明の硬化膜形成組成物は、各種位相差材(位相差フィルム)や液晶表示素子等の製造に好適に用いることができる。 In addition, after using the two substrates having the alignment material of the present invention formed as described above, the alignment materials on both substrates are bonded to each other via a spacer, and then between the substrates. A liquid crystal display element in which liquid crystal is injected to align the liquid crystal may be used.
Therefore, the cured film forming composition of this invention can be used suitably for manufacture of various retardation materials (retardation film), a liquid crystal display element, etc.
略号
[実施例で用いる略記号]
以下の実施例で用いる略記号の意味は、次のとおりである。
<光配向性基およびヒドロキシ基を有する化合物>
CIN1:4-(6-ヒドロキシヘキシルオキシ)けい皮酸メチルエステル
CIN2:3-メトキシ-4-(6-ヒドロキシヘキシルオキシ)けい皮酸メチルエステル
CIN11:4-[4-(6-ヒドロキシヘキシルオキシ)ベンゾイル]けい皮酸ターシャリーブチルエステル
<特定(共)重合体(アクリル(共)重合体) 原料>
BMAA:N-ブトキシメチルアクリルアミド
MPTS:3-メタクリロキシプロピルトリメトキシシラン
MAA:メタクリル酸
MMA:メタクリル酸メチル
HEMA:2-ヒドロキシエチルメタクリレート
AAM:アクリルアミド
CIN: 4-(6-メタクリルオキシヘキシル-1-オキシ)けい皮酸メチルエステル
AIBN:α,α’-アゾビスイソブチロニトリル
<架橋触媒>
PTSA:p-トルエンスルホン酸一水和物
<架橋剤>
HMM:ヘキサメトキシメチルメラミン
<溶剤>
PM:プロピレングリコールモノメチルエーテル
PMA:プロピレングリコールモノメチルエーテルアセテート
CHN:シクロヘキサノン EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated in more detail, this invention is not limited to these Examples.
Abbreviations [abbreviations used in the examples]
The meanings of the abbreviations used in the following examples are as follows.
<Compound having photo-alignable group and hydroxy group>
CIN1: 4- (6-hydroxyhexyloxy) cinnamic acid methyl ester CIN2: 3-methoxy-4- (6-hydroxyhexyloxy) cinnamic acid methyl ester CIN11: 4- [4- (6-hydroxyhexyloxy) Benzoyl] cinnamic acid tertiary butyl ester <specific (co) polymer (acrylic (co) polymer) raw material>
BMAA: N-butoxymethylacrylamide MPTS: 3-methacryloxypropyltrimethoxysilane MAA: methacrylic acid MMA: methyl methacrylate HEMA: 2-hydroxyethyl methacrylate AAM: acrylamide CIN: 4- (6-methacryloxyhexyl-1-oxy ) Cinnamic acid methyl ester AIBN: α, α'-azobisisobutyronitrile <crosslinking catalyst>
PTSA: p-toluenesulfonic acid monohydrate <crosslinking agent>
HMM: Hexamethoxymethylmelamine <solvent>
PM: propylene glycol monomethyl ether PMA: propylene glycol monomethyl ether acetate CHN: cyclohexanone
BMAA100.0g、重合触媒としてAIBN 4.2gをPM 193.5gに溶解し、90℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度35質量%)(P1)を得た。得られたアクリル共重合体のMnは2,672、Mwは3,895であった。 <Synthesis Example 1>
BMAA 100.0 g and AIBN 4.2 g as a polymerization catalyst were dissolved in PM 193.5 g and reacted at 90 ° C. for 20 hours to obtain an acrylic copolymer solution (solid content concentration 35 mass%) (P1). Mn of the obtained acrylic copolymer was 2,672 and Mw was 3,895.
BMAA100.0g、重合触媒としてAIBN 2.1gをPM 408.4gに溶解し、90℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度20質量%)(P2)を得た。得られたアクリル共重合体のMnは10,311、Mwは25,245であった。 <Synthesis Example 2>
BMAA 100.0 g and AIBN 2.1 g as a polymerization catalyst were dissolved in PM 408.4 g and reacted at 90 ° C. for 20 hours to obtain an acrylic copolymer solution (solid content concentration 20 mass%) (P2). Mn of the obtained acrylic copolymer was 10,311 and Mw was 25,245.
MPTS 100.0g、重合触媒としてAIBN 3.0gをPM 193.5gに溶解し、90℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度20質量%)(P3)を得た。得られたアクリル共重合体のMnは4,061、Mwは5,721であった。 <Synthesis Example 3>
100.0 g of MPTS and 3.0 g of AIBN as a polymerization catalyst were dissolved in 193.5 g of PM and reacted at 90 ° C. for 20 hours to obtain an acrylic copolymer solution (solid content concentration 20 mass%) (P3). . Mn of the obtained acrylic copolymer was 4,061 and Mw was 5,721.
CIN 42.0g、HEMA 18.0g、重合触媒としてAIBN1.3gをCHN 166.8gに溶解し、80℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度27質量%)を得た(P4)。得られたアクリル共重合体のMnは8,500、Mwは16,500であった。 <Synthesis Example 4>
42.0 g of CIN, 18.0 g of HEMA, and 1.3 g of AIBN as a polymerization catalyst were dissolved in 166.8 g of CHN and reacted at 80 ° C. for 20 hours to obtain an acrylic copolymer solution (solid content concentration 27% by mass). (P4). Mn of the obtained acrylic copolymer was 8,500 and Mw was 16,500.
MAA 3.5g、MMA 7.0g、HEMA 7.0g、重合触媒としてAIBN 0.5gをPM 53.9gに溶解し、70℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度25質量%)(P5)を得た。得られたアクリル共重合体のMnは10,300、Mwは24,600であった。 <Synthesis Example 5>
3.5 g of MAA, 7.0 g of MMA, 7.0 g of HEMA, and 0.5 g of AIBN as a polymerization catalyst were dissolved in 53.9 g of PM and reacted at 70 ° C. for 20 hours to obtain an acrylic copolymer solution (solid content concentration). 25% by mass) (P5) was obtained. Mn of the obtained acrylic copolymer was 10,300 and Mw was 24,600.
BMAA 60.0g、AAM 40.0g、重合触媒としてAIBN 4.8gをPM 313.9gに溶解し、85℃にて20時間反応させることによりアクリル共重合体溶液(固形分濃度25質量%)(P6)を得た。得られたアクリル共重合体のMnは3,560、Mwは4,820であった。 <Synthesis Example 6>
BMAA 60.0 g, AAM 40.0 g, AIBN 4.8 g as a polymerization catalyst was dissolved in PM 313.9 g, and reacted at 85 ° C. for 20 hours to give an acrylic copolymer solution (solid content concentration 25% by mass) ( P6) was obtained. Mn of the obtained acrylic copolymer was 3,560 and Mw was 4,820.
(合成例7-1)CIN11の前駆体CIN11-1の合成
1H NMR (400 MHz,[D6]-DMSO):δ7.86-7.88 (d,2H), 7.73-7.75 (d,2H), 7.69-7.71 (d,2H), 7.62-7.66 (d,1H), 7.08-7.10 (d,2H), 6.65-6.69 (d,1H), 4.35-4.37 (t,1H), 4.06-4.09 (t,2H), 3.37-3.42 (q,2H), 1.73-1.77 (m,2H), 1.50 (s,9H), 1.37-1.46 (m,6H) (Synthesis Example 7-2) Synthesis of CIN11
1 H NMR (400 MHz, [D 6 ] -DMSO): δ7.86-7.88 (d, 2H), 7.73-7.75 (d, 2H), 7.69-7.71 (d, 2H), 7.62-7.66 (d, 1H), 7.08-7.10 (d, 2H), 6.65-6.69 (d, 1H), 4.35-4.37 (t, 1H), 4.06-4.09 (t, 2H), 3.37-3.42 (q, 2H), 1.73- 1.77 (m, 2H), 1.50 (s, 9H), 1.37-1.46 (m, 6H)
表1に示す組成にて実施例1~7の各硬化膜形成組成物を調製し、それぞれについて、配向感度、パターン形成性、透過率の評価を行った。 <Examples 1 to 7>
The cured film forming compositions of Examples 1 to 7 were prepared with the compositions shown in Table 1, and the orientation sensitivity, pattern formability, and transmittance were evaluated for each.
(B)成分として(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマーの代わりに、アクリル共重合体P4、P5又はHMMを使用し、表2に示す組成にて比較例1~3の各硬化膜形成組成物を調製し、それぞれについて、配向感度、パターン形成性、透過率の評価を行った。 <Comparative Examples 1 to 3>
Compared with the composition shown in Table 2, using acrylic copolymer P4, P5 or HMM as component (B) instead of polymer having a substituent capable of thermally reacting with component (A) and capable of self-crosslinking Each cured film forming composition of Examples 1 to 3 was prepared, and the orientation sensitivity, pattern formability, and transmittance were evaluated for each.
実施例1~7および比較例1~3の各硬化膜形成組成物を、無アルカリガラス上にスピンコータを用いて2000rpmで30秒間回転塗布した後、温度140℃で120秒間、ホットプレート上で加熱乾燥を行い、硬化膜を形成した。この硬化膜に313nmの直線偏光を垂直に照射した。露光後の基板上に、メルク株式会社製の水平配向用重合性液晶溶液RMS03-013Cを、スピンコータを用いて塗布し、次いで、60℃で60秒間ホットプレート上においてプリベークを行い、膜厚1.0μmの塗膜を形成した。このフィルムを300mJ/cm2で露光し、位相差材を作製した。
作製した基板上の位相差材を一対の偏光板で挟み込み、位相差材における位相差特性の発現状況を観察し、配向材が液晶配向性を示すために必要な偏光UVの露光量(mJ/cm2)を配向感度として評価した(最大偏光UV露光量:50mJ/cm2にて実施)。 [Evaluation of orientation sensitivity]
The cured film forming compositions of Examples 1 to 7 and Comparative Examples 1 to 3 were spin-coated on a non-alkali glass at 2000 rpm for 30 seconds using a spin coater, and then heated on a hot plate at a temperature of 140 ° C. for 120 seconds. Drying was performed to form a cured film. The cured film was irradiated vertically with 313 nm linearly polarized light. On the substrate after exposure, a polymerizable liquid crystal solution RMS03-013C for horizontal alignment manufactured by Merck Co., Ltd. was applied using a spin coater, and then pre-baked on a hot plate at 60 ° C. for 60 seconds. A 0 μm coating film was formed. This film was exposed at 300 mJ / cm 2 to prepare a retardation material.
The retardation material on the produced substrate is sandwiched between a pair of polarizing plates, the state of development of retardation characteristics in the retardation material is observed, and the exposure amount of polarized UV necessary for the alignment material to exhibit liquid crystal alignment (mJ / cm 2 ) was evaluated as the orientation sensitivity (maximum polarized UV exposure amount: 50 mJ / cm 2 ).
実施例1~7および比較例1~3の各硬化膜形成組成物を、無アルカリガラス上にスピンコータを用いて2000rpmで30秒間回転塗布した後、温度140℃で120秒間、ホットプレート上で加熱乾燥を行い、硬化膜を形成した。この硬化膜に100μmのラインアンドスペースマスクを介し、313nmの直線偏光を40mJ/cm2垂直に照射した。マスクを取り外し、基板を90度回転させた後、313nmの直線偏光を20mJ/cm2垂直に照射することにより、液晶の配向制御方向が90度異なる2種類の液晶配向領域が形成された配向材を得た。
この基板上の配向材の上に、メルク株式会社製の水平配向用重合性液晶溶液RMS03-013Cを、スピンコータを用いて塗布し、次いで、60℃で60秒間ホットプレート上においてプリベークを行い、膜厚1.0μmの塗膜を形成した。この基板上の塗膜を300mJ/cm2で露光し、パターン化位相差材を作製した。
作製した基板上のパターン化位相差材を、偏光顕微鏡を用いて観察し、配向欠陥なく位相差パターンが形成されているものを○、配向欠陥が見られるものを×として評価した。 [Evaluation of pattern formability]
The cured film forming compositions of Examples 1 to 7 and Comparative Examples 1 to 3 were spin-coated on a non-alkali glass at 2000 rpm for 30 seconds using a spin coater, and then heated on a hot plate at a temperature of 140 ° C. for 120 seconds. Drying was performed to form a cured film. This cured film was irradiated with 313 nm linearly polarized light vertically by 40 mJ / cm 2 through a 100 μm line and space mask. Alignment material in which two types of liquid crystal alignment regions with different liquid crystal alignment control directions of 90 degrees are formed by irradiating 313 nm linearly polarized light 20 mJ / cm 2 perpendicularly after removing the mask and rotating the substrate 90 degrees Got.
On the alignment material on the substrate, a polymerizable liquid crystal solution RMS03-013C for horizontal alignment manufactured by Merck Co., Ltd. was applied using a spin coater, and then pre-baked on a hot plate at 60 ° C. for 60 seconds to form a film. A coating film having a thickness of 1.0 μm was formed. The coating film on this substrate was exposed at 300 mJ / cm 2 to prepare a patterned retardation material.
The patterned phase difference material on the produced substrate was observed using a polarizing microscope, and evaluation was made with ◯ indicating that the phase difference pattern was formed without alignment defects, and × indicating that the alignment defects were observed.
実施例1~7の各硬化膜形成組成物を、石英基板上にスピンコータを用いて2000rpmで30秒間回塗布した後、温度180℃で120秒間ホットプレート上において加熱乾燥ベークを行い、膜厚300nmの硬化膜を形成した。膜厚はFILMETRICS社製 F20を用いて測定した。この硬化膜を紫外線可視分光光度計((株)島津製作所製SHIMADZU UV-2550型番)を用いて波長400nmの光に対する透過率を測定した。 [Evaluation of light transmittance (transparency)]
Each of the cured film forming compositions of Examples 1 to 7 was applied on a quartz substrate for 30 seconds at 2000 rpm using a spin coater, and then heat-dried and baked on a hot plate for 120 seconds at a temperature of 180 ° C. to obtain a film thickness of 300 nm. A cured film was formed. The film thickness was measured using F20 manufactured by FILMETRICS. The cured film was measured for transmittance with respect to light having a wavelength of 400 nm using an ultraviolet-visible spectrophotometer (SHIMADZU UV-2550 model number, manufactured by Shimadzu Corporation).
以上の評価を行った結果を表3に示す。 [Evaluation results]
The results of the above evaluation are shown in Table 3.
一方、特定架橋性置換基を有する化合物を使用していない比較例1、2および特定架橋性置換基を有するが低分子化合物である比較例3は、いずれも露光量50mJ/cm2では液晶配向性を示さず、すなわち配向感度が非常に低く、光学パターニングを行うことは困難であった。 Examples 1 to 7 all showed liquid crystal alignment with a small exposure amount of 10 to 20 mJ / cm 2 , that is, had high alignment sensitivity and could be subjected to optical patterning. Furthermore, it showed high transparency.
On the other hand, Comparative Examples 1 and 2 which do not use a compound having a specific crosslinkable substituent and Comparative Example 3 which has a specific crosslinkable substituent but is a low molecular weight compound are all liquid crystal alignment at an exposure amount of 50 mJ / cm 2. In other words, the alignment sensitivity was very low, and it was difficult to perform optical patterning.
Claims (8)
- (A)光配向性基とヒドロキシ基、カルボキシル基、アミノ基およびアルコキシシリル基のうちのいずれかから選ばれる少なくとも一種の置換基とを有する化合物、及び
(B)(A)成分と熱反応可能な置換基を有し且つ自己架橋可能なポリマー
を含有することを特徴とする、硬化膜形成組成物。 (A) A compound having a photo-alignment group and at least one substituent selected from a hydroxy group, a carboxyl group, an amino group, and an alkoxysilyl group, and (B) capable of thermal reaction with the component (A). A cured film-forming composition comprising a polymer having various substituents and capable of self-crosslinking. - (A)成分の光配向性基が光二量化または光異性化する構造の官能基である、請求項1に記載の硬化膜形成組成物。 The cured film forming composition according to claim 1, wherein the photoalignable group of the component (A) is a functional group having a structure capable of photodimerization or photoisomerization.
- (A)成分の光配向性基がシンナモイル基である、請求項1または請求項2に記載の硬化膜形成組成物。 The cured film forming composition of Claim 1 or Claim 2 whose photo-alignment group of (A) component is a cinnamoyl group.
- (A)成分の光配向性基がアゾベンゼン構造の基である、請求項1又は請求項2に記載の硬化膜形成組成物。 The cured film forming composition of Claim 1 or Claim 2 whose photo-alignment group of (A) component is group of azobenzene structure.
- (C)架橋触媒をさらに含有する、請求項1乃至請求項4のいずれか1項に記載の硬化膜形成組成物。 (C) The cured film forming composition of any one of Claims 1 thru | or 4 which further contains a crosslinking catalyst.
- (B)成分のポリマーは重量平均分子量が1,000~100,000である、請求項1乃至請求項5のいずれか1項に記載の硬化膜形成組成物。 6. The cured film forming composition according to claim 1, wherein the polymer of component (B) has a weight average molecular weight of 1,000 to 100,000.
- 請求項1乃至請求項6のいずれか1項に記載の硬化膜形成組成物を用いて得られる配向材。 The orientation material obtained using the cured film forming composition of any one of Claims 1 thru | or 6.
- 請求項1乃至請求項6のいずれか1項に記載の硬化膜形成組成物から得られる硬化膜を使用して形成される位相差材。 The retardation material formed using the cured film obtained from the cured film formation composition of any one of Claims 1 thru | or 6.
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JPWO2014104320A1 (en) | 2017-01-19 |
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CN104903405A (en) | 2015-09-09 |
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KR20150103057A (en) | 2015-09-09 |
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