JP2020507807A - 液晶配向剤組成物、これを用いた液晶配向膜の製造方法、およびこれを用いた液晶配向膜 - Google Patents
液晶配向剤組成物、これを用いた液晶配向膜の製造方法、およびこれを用いた液晶配向膜 Download PDFInfo
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- JP2020507807A JP2020507807A JP2019541066A JP2019541066A JP2020507807A JP 2020507807 A JP2020507807 A JP 2020507807A JP 2019541066 A JP2019541066 A JP 2019541066A JP 2019541066 A JP2019541066 A JP 2019541066A JP 2020507807 A JP2020507807 A JP 2020507807A
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- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
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- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 1
- 125000000596 cyclohexenyl group Chemical group C1(=CCCCC1)* 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical group C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 1
- WJTCGQSWYFHTAC-UHFFFAOYSA-N cyclooctane Chemical compound C1CCCCCCC1 WJTCGQSWYFHTAC-UHFFFAOYSA-N 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
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- 230000001747 exhibiting effect Effects 0.000 description 1
- 125000003983 fluorenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3CC12)* 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000005921 isopentoxy group Chemical group 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- QCGKUFZYSPBMAY-UHFFFAOYSA-N methyl 7-oxabicyclo[4.1.0]heptane-4-carboxylate Chemical compound C1C(C(=O)OC)CCC2OC21 QCGKUFZYSPBMAY-UHFFFAOYSA-N 0.000 description 1
- BDJAEZRIGNCQBZ-UHFFFAOYSA-N methylcyclobutane Chemical compound CC1CCC1 BDJAEZRIGNCQBZ-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003935 n-pentoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000005484 neopentoxy group Chemical group 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 125000005561 phenanthryl group Chemical group 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 125000001725 pyrenyl group Chemical group 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
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- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- KYWIYKKSMDLRDC-UHFFFAOYSA-N undecan-2-one Chemical compound CCCCCCCCCC(C)=O KYWIYKKSMDLRDC-UHFFFAOYSA-N 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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Abstract
Description
R1およびR2のうちの少なくとも一つがC1−10 アルキルであり、残りは水素であり、
R3およびR4は、それぞれ独立して水素、またはC1−10アルキルであり、
X1は、下記の化学式5で表される4価の有機基であり、
[化学式5]
R5〜R8は、それぞれ独立して水素、またはC1−6アルキルであり、
X2、X3およびX4は、それぞれ独立して炭素数4〜20の炭化水素に由来した4価の有機基であるか、または前記4価の有機基中の一つ以上のHがハロゲンで置換されるかまたは一つ以上の−CH2−が酸素または硫黄原子が直接連結されないように−O−、−CO−、−S−、−SO−、−SO2−または−CONH−で代替された4価の有機基であり、
Y1、Y2、Y3およびY4は、それぞれ独立して下記の化学式6で表される2価の有機基であり、
[化学式6]
R9およびR10は、それぞれ独立してハロゲン、シアノ、C1−10アルキル、C2−10アルケニル、C1−10アルコキシ、C1−10フルオロアルキル、またはC1−10フルオロアルコキシであり、
pおよびqは、それぞれ独立して0〜4の間の整数であり、
L1は、単一結合、−O−、−CO−、−S−、−SO2−、−C(CH3)2−、−C(CF3)2−、−CONH−、−COO−、−(CH2)z−、−O(CH2)zO−、−O(CH2)z−、−OCH2−C(CH3)2−CH2O−、−COO−(CH2)z−OCO−、または−OCO−(CH2)z−COO−であり、
前記zは、1〜10の間の整数であり、
mは、0〜3の間、または1〜3の整数である。
R11〜R14はそれぞれ独立して水素、または炭素数1〜6のアルキルであり、L2は単一結合、−O−、−CO−、−S−、−C(CH3)2−、−C(CF3)2−、−CONH−、−COO−、−(CH2)Z−、−O(CH2)ZO−、−COO−(CH2)Z−OCO−であり、zは1〜10の間の整数である。
R11〜R14は、それぞれ独立して水素、またはC1−6アルキルであり、
L2は、単一結合、−O−、−CO−、−S−、−C(CH3)2−、−C(CF3)2−、−CONH−、−COO−、−(CH2)Z−、−O(CH2)ZO−、−COO−(CH2)Z−OCO−であり、
zは、1〜10の間の整数である。
粘度変化率(%)=(常温で30日保管後液晶配向剤組成物の粘度−最初液晶配向剤組成物の粘度)/最初液晶配向剤組成物の粘度*100
膜強度(%)=ラビング処理後の液晶配向膜のヘイズ(%)−ラビング処理前の液晶配向膜のヘイズ(%)。
粘度変化率(%)=(常温で30日保管後の液晶配向剤組成物の粘度−最初液晶配向剤組成物の粘度)/最初液晶配向剤組成物の粘度*100.
Claims (18)
- i)下記の化学式1で表される繰り返し単位、下記の化学式2で表される繰り返し単位および下記の化学式3で表される繰り返し単位からなる群より選択された2種以上の繰り返し単位を含み、
下記の化学式1〜3で表される全体繰り返し単位に対して下記の化学式1で表される繰り返し単位を5モル%〜74モル%含む
第1液晶配向剤用重合体、
ii)下記の化学式4で表される繰り返し単位を含む
第2液晶配向剤用重合体、
iii)分子内に2つ以上のエポキシ基を有する化合物および
iv)1次アミンまたは2次アミンに含まれている窒素原子に結合した1以上の水素原子が
tert−ブトキシカルボニル基、9−フルオレニルメトキシカルボニル基、およびカルボキシベンジル基からなる群より選択された1種以上の官能基で置換された化合物を含む、
液晶配向剤組成物:
[化学式1]
R1およびR2のうちの少なくとも一つがC1−10アルキルであり、残りは水素であり、
R3およびR4は、それぞれ独立して水素、またはC1−10アルキルであり、
X1は、下記の化学式5で表される4価の有機基であり、
[化学式5]
R5〜R8は、それぞれ独立して水素、またはC1−6アルキルであり、
X2、X3およびX4は、それぞれ独立して炭素数4〜20の炭化水素に由来した4価の有機基であるか、または前記4価の有機基中の一つ以上のHがハロゲンで置換されるかまたは一つ以上の−CH2−が酸素または硫黄原子が直接連結されないように−O−、−CO−、−S−、−SO−、−SO2−または−CONH−で代替された4価の有機基であり、
Y1、Y2、Y3およびY4は、それぞれ独立して下記の化学式6で表される2価の有機基であり、
[化学式6]
R9およびR10は、それぞれ独立してハロゲン、シアノ、C1−10アルキル、C2−10アルケニル、C1−10アルコキシ、C1−10フルオロアルキル、またはC1−10フルオロアルコキシであり、
pおよびqは、それぞれ独立して0〜4の間の整数であり、
L1は、単一結合、−O−、−CO−、−S−、−SO2−、−C(CH3)2−、−C(CF3)2−、−CONH−、−COO−、−(CH2)z−、−O(CH2)zO−、−O(CH2)z−、−OCH2−C(CH3)2−CH2O−、−COO−(CH2)z−OCO−、または−OCO−(CH2)z−COO−であり、
前記zは、1〜10の間の整数であり、
mは、0〜3の間の整数である。 - 前記tert−ブトキシカルボニル基、9−フルオレニルメトキシカルボニル基、およびカルボキシベンジル基からなる群より選択された1種以上の官能基は、
90℃以上の温度で水素原子で置換される、
請求項1に記載の液晶配向剤組成物。 - 前記1次アミンまたは2次アミンに含まれている窒素原子に結合した1以上の水素原子が
tert−ブトキシカルボニル基、9−フルオレニルメトキシカルボニル基、およびカルボキシベンジル基からなる群より選択された1種以上の官能基で置換された化合物は、
前記第1液晶配向剤用重合体および第2液晶配向剤用重合体の重量合計100重量部に対して0.03重量部〜30重量部で含まれる、
請求項1または2に記載の液晶配向剤組成物。 - 前記1次アミンまたは2次アミンは、それぞれ独立して線状または環状構造である、
請求項1から3のいずれか1項に記載の液晶配向剤組成物。 - 前記X2、X3およびX4は、それぞれ独立して下記の化学式7に記載された4価の有機基である、
請求項1から4のいずれか1項に記載の液晶配向剤組成物:
[化学式7]
R11〜R14は、それぞれ独立して水素、またはC1−6アルキルであり、
L2は、単一結合、−O−、−CO−、−S−、−C(CH3)2−、−C(CF3)2−、−CONH−、−COO−、−(CH2)Z−、−O(CH2)ZO−、−COO−(CH2)Z−OCO−であり、
zは、1〜10の間の整数である。 - 第1液晶配向剤用重合体と第2液晶配向剤用重合体の重量比は、
1:9〜9:1である、
請求項1から5のいずれか1項に記載の液晶配向剤組成物。 - 前記分子内に2つ以上のエポキシ基を有する化合物の分子量が100〜10,000である、
請求項1から6のいずれか1項に記載の液晶配向剤組成物。 - 前記分子内に2つ以上のエポキシ基を有する化合物は、
シクロアリファティック系エポキシ、ビスフェノール系エポキシ、またはノボラック系エポキシである、
請求項1から7のいずれか1項に記載の液晶配向剤組成物。 - 前記分子内に2つ以上のエポキシ基を有する化合物は、
前記第1液晶配向剤用重合体および第2液晶配向剤用重合体の重量合計100重量部に対して0.1重量部〜30重量部で含まれる、
請求項1から8のいずれか1項に記載の液晶配向剤組成物。 - 1)請求項1から9のいずれか1項に記載の液晶配向剤組成物を基板に塗布して塗膜を形成する段階;
2)前記塗膜を乾燥する段階;
3)前記乾燥する段階の直後に塗膜を配向処理する段階;および
4)前記配向処理された塗膜を熱処理して硬化する段階
を含む、
液晶配向膜の製造方法。 - 前記液晶配向剤組成物は、
第1液晶配向剤用重合体、
第2液晶配向剤用重合体、
分子内に2つ以上のエポキシ基を有する化合物および1次アミンまたは2次アミンに含まれている窒素原子に結合した1以上の水素原子がtert−ブトキシカルボニル基、9−フルオレニルメトキシカルボニル基、およびカルボキシベンジル基からなる群より選択された1種以上の官能基で置換された化合物が有機溶媒に溶解または分散させたものである、
請求項10に記載の液晶配向膜の製造方法。 - 前記塗膜を乾燥する段階2の乾燥は、50℃〜130℃で行われる、
請求項10または11に記載の液晶配向膜の製造方法。 - 前記配向処理する段階3の配向処理は、150nm〜450nm波長の偏光された紫外線を照射することである、
請求項10から12のいずれか1項に記載の液晶配向膜の製造方法。 - 前記硬化する段階4は、
4−1)前記配向処理された塗膜を200℃以下で低温熱処理する段階;および
4−2)前記熱処理された塗膜を前記低温熱処理より高い温度で熱処理して硬化する段階を含む、
請求項10から13のいずれか1項に記載の液晶配向膜の製造方法。 - 前記低温熱処理する段階4−1の低温熱処理は、110℃〜200℃で行われる、
請求項14に記載の液晶配向膜の製造方法。 - 前記熱処理して硬化する段階4−2の熱処理は、200℃〜250℃で行われる、
請求項14または15に記載の液晶配向膜の製造方法。 - 請求項1から9のいずれか1項の液晶配向剤組成物の配向硬化物を含む、
液晶配向膜。 - 請求項17の液晶配向膜を含む
液晶表示素子。
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