JP5885049B2 - 重合性液晶組成物の製造方法 - Google Patents
重合性液晶組成物の製造方法 Download PDFInfo
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- JP5885049B2 JP5885049B2 JP2015520729A JP2015520729A JP5885049B2 JP 5885049 B2 JP5885049 B2 JP 5885049B2 JP 2015520729 A JP2015520729 A JP 2015520729A JP 2015520729 A JP2015520729 A JP 2015520729A JP 5885049 B2 JP5885049 B2 JP 5885049B2
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Classifications
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- C09K19/3001—Cyclohexane rings
- C09K19/3059—Cyclohexane rings in which at least two rings are linked by a carbon chain containing carbon to carbon triple bonds
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- G02B5/3016—Polarising elements involving passive liquid crystal elements
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- C08F220/30—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety
- C08F220/303—Esters containing oxygen in addition to the carboxy oxygen containing aromatic rings in the alcohol moiety and one or more carboxylic moieties in the chain
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- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
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- C08F222/1035—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate of aromatic trialcohols
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- C09K2019/0425—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit characterized by a specific unit that results in a functional effect
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- C09K2019/122—Ph-Ph
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- C09K2019/2035—Ph-COO-Ph
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Description
(重合性化合物)
工程(I)において用いられる、少なくとも1つ以上の重合性官能基を有する少なくとも1種以上の重合性化合物としては、単独または他の化合物との組成物において液晶性を示し、少なくとも1つ以上の重合性官能基を有する化合物であれば、特に限定はなく、公知慣用のものを用いることができる。
Spは炭素原子数0〜18のアルキレン基を表し(該アルキレン基は1つ以上のハロゲン原子又はCNにより置換されていても良く、この基中に存在する1つのCH2基又は隣接していない2つ以上のCH2基はそれぞれ相互に独立して、酸素原子が相互に直接結合しない形で、−O−、−S−、−NH−、−N(CH3)−、−CO−、−COO−、−OCO−、−OCOO−、−SCO−、−COS−又は−C≡C−により置き換えられていても良い。)、
mは0又は1を表し、
MGはメソゲン基を表し、
R1は、水素原子、ハロゲン原子、シアノ基又は炭素原子数1〜18のアルキル基を表すが、該アルキル基は1つ以上のハロゲン原子又はCNにより置換されていても良く、この基中に存在する1つのCH2基又は隣接していない2つ以上のCH2基はそれぞれ相互に独立して、酸素原子が相互に直接結合しない形で、−O−、−S−、−NH−、−N(CH3)−、−CO−、−COO−、−OCO−、−OCOO−、−SCO−、−COS−又は−C≡C−により置き換えられていても良く、あるいはR1は一般式(1−a)
Z0、Z1、Z2及びZ3はそれぞれ独立して、−COO−、−OCO−、−CH2 CH2−、−OCH2−、−CH2O−、−CH=CH−、−C≡C−、−CH=CHCOO−、−OCOCH=CH−、−CH2CH2COO−、−CH2CH2OCO−、−COOCH2CH2−、−OCOCH2CH2−、−CONH−、−NHCO−、炭素数2〜10のハロゲン原子を有してもよいアルキル基又は単結合を表し、
nは0、1又は2を表、A1、及びZ1が複数存在する場合は、それぞれ、同一であっても、異なっていても良い。)で表される。
Z5は水素原子又はメチル基を表し、tは0又は1を表し、
B、C及びDはそれぞれ独立的に、1,4−フェニレン基、隣接しないCH基が窒素で置換された1,4−フェニレン基、1,4−シクロヘキシレン基、1つ又は隣接しない2つのCH2基が酸素又は硫黄原子で置換された1,4−シクロヘキシレン基、1,4−シクロヘキセニル基、1,4−ビシクロ(2,2,2)オクチレン基、デカヒドロナフタレン−2,6−ジイル基、ピリジン−2,5−ジイル基、ピリミジン−2,5−ジイル基、ピラジン−2,5−ジイル基、1,2,3,4−テトラヒドロナフタレン−2,6−ジイル基、2,6−ナフチレン基又は1,4−ナフチレン基を表すが、これらの基は炭素原子数1〜7のアルキル基、アルコキシ基、アルカノイル基、シアノ基又はハロゲン原子で一つ以上置換されていても良く、
Y3及びY4はそれぞれ独立的に単結合、−CH2CH2−、−CH2O−、−OCH2−、−COO−、−OCO−、−C≡C−、−CH=CH−、−CF=CF−、−(CH2)4−、−CH2CH2CH2O−、−OCH2CH2CH2−、−CH=CHCH2CH2−、−CH2CH2CH=CH−、−CH=CHCOO−、−OCOCH=CH−、−CH2CH2COO−、−CH2CH2OCO−、−COOCH2CH2−又は−OCOCH2CH2-を表し、Y5は単結合、−O−、−COO−、−OCO−又は−CH=CHCOO−を表す。)で表される化合物、及び、一般式(1−2)
Z7は水素原子又はメチル基を表し、
W3は単結合、−O−、−COO−又は−OCO−を表し、
vは1〜18の整数を表し、
uは0又は1を表し、
E、F及びGはそれぞれ独立的に、1,4−フェニレン基、隣接しないCH基が窒素原子で置換された1,4−フェニレン基、1,4−シクロヘキシレン基、1つ又は隣接しない2つのCH2基が酸素原子又は硫黄原子で置換された1,4−シクロヘキシレン基、1,4−シクロヘキセニル基、1,4−ビシクロ(2,2,2)オクチレン基、デカヒドロナフタレン−2,6−ジイル基、ピリジン−2,5−ジイル基、ピリミジン−2,5−ジイル基、ピラジン−2,5−ジイル基、1,2,3,4−テトラヒドロナフタレン−2,6−ジイル基、2,6−ナフチレン基又は1,4−ナフチレン基を表すが、これらの基は炭素原子数1〜7のアルキル基、アルコキシ基、アルカノイル基、シアノ基又はハロゲン原子で一つ以上置換されていても良く、
Y6及びY7はそれぞれ独立的に単結合、−CH2CH2−、−CH2O−、−OCH2−、−COO−、−OCO−、−C≡C−、−CH=CH−、−CF=CF−、−(CH2)4−、−CH2CH2CH2O−、−OCH2CH2CH2−、−CH=CHCH2CH2−、−CH2CH2CH=CH−、−CH=CHCOO−、−OCOCH=CH−、−CH2CH2COO−、−CH2CH2OCO−、−COOCH2CH2−又は−OCOCH2CH2-を表し、
Y8は単結合、−O−、−COO−、−OCO−又は−CH=CHCOO−を表す。)。
W1及びW2はそれぞれ独立的に単結合、−O−、−COO−又は−OCO−を表し、
Y1及びY2はそれぞれ独立的に単結合、−C≡C−COO−、−OCO−C≡C−、−COO−、−OCO−、−CH2−CH2−COO−又は−OCO−CH2−CH2−を表し、Y2が複数存在する場合は、同一であっても、異なってもよく、
Aは、1,4−フェニレン基、1,4-シクロヘキシレン基、ナフタレン-2,6-ジイル基を表し、Aが複数存在する場合は、同一であっても、異なってもよく、
r及びsはそれぞれ独立的に1〜18の整数を表し、
Z8及びZ9はそれぞれ独立して、水素原子、又はメチル基を表し、
R3〜R10は、それぞれ、水素原子、炭素原子数1〜7のアルキル基、アルコキシ基、アルカノイル基、シアノ基、又はハロゲン原子から選択される。)。
本発明の重合性溶液に用いる有機溶剤としては特に限定はないが、重合性化合物が良好な溶解性を示す有機溶剤が好ましく、100℃以下の温度で乾燥できる有機溶剤であることが好ましい。そのような溶剤としては、例えば、トルエン、キシレン、クメン、メシチレン等の芳香族系炭化水素、酢酸メチル、酢酸エチル、酢酸プロピル、酢酸ブチル等のエステル系溶剤、メチルエチルケトン、メチルイソブチルケトン、シクロヘキサノン、シクロペンタノン等のケトン系溶剤、テトラヒドロフラン、1,2−ジメトキシエタン、アニソール等のエーテル系溶剤、N,N−ジメチルホルムアミド、N−メチル−2−ピロリドン、等のアミド系溶剤、プロピレングリコールモノメチルエーテルアセテート、ジエチレングリコールモノメチルエーテルアセテート、γ−ブチロラクトン及びクロロベンゼン等が挙げられる。これらは、単独で使用することもできるし、2種類以上混合して使用することもできるが、ケトン系溶剤、エーテル系溶剤、エステル系溶剤及び芳香族炭化水素系溶剤のうちのいずれか1種類以上を用いることが溶液安定性の点から好ましい。
(重合禁止剤、酸化防止剤)
本発明の重合性溶液の溶液安定性を高めるため、重合禁止剤、及び/又は酸化防止剤等を添加することが好ましい。そのような化合物として、ヒドロキノン誘導体、ニトロソアミン系重合禁止剤、ヒンダードフェノール系酸化防止剤等が挙げられ、より具体的には、p−メトキシフェノール、tert-ブチルハイドロキノン、メチルハイドロキノン、和光純薬工業社の「Q−1300」、「Q−1301」、BASF社の「IRGANOX1010」、「IRGANOX1035」、「IRGANOX1076」、「IRGANOX1098」、「IRGANOX1135」、「IRGANOX1330」、「IRGANOX1425」、「IRGANOX1520」、「IRGANOX1726」、「IRGANOX245」、「IRGANOX259」、「IRGANOX3114」、「IRGANOX3790」、「IRGANOX5057」、「IRGANOX565」等々があげられる。
(光重合開始剤)
本発明の重合性液晶組成物の製造方法は、重合性化合物を有機溶剤に混合し加熱攪拌して重合性溶液を調製する工程の後に、重合性溶液に重合開始剤を混合することを特徴としている。重合性化合物を有機溶剤中に短時間で均一に溶解させるためには、加熱する必要があり、重合性溶液を調製する際に、重合開始剤を同時に混合してしまうと、熱による重合開始剤から発生したラジカルにより重合性化合物が重合反応することを防止するためである。
(熱重合開始剤)
本発明の重合性液晶組成物の製造方法は、重合性化合物を有機溶剤に混合し加熱攪拌して重合性溶液を調製する工程の後に、重合性溶液に重合開始剤を混合する工程を要するが、光重合開始剤とともに、熱重合開始剤を併用してもよい。具体的には、和光純薬工業社製の「V−40」、「VF−096」、日本油脂社製の「パーへキシルD」、「パーへキシルI」等が挙げられる。
(その他の成分)
本発明の重合性液晶組成物は、光学異方体とした場合の膜厚むらを低減させるために界面活性剤を少なくとも1種類以上含有してもよい。含有することができる界面活性剤としては、アルキルカルボン酸塩、アルキルリン酸塩、アルキルスルホン酸塩、フルオロアルキルカルボン酸塩、フルオロアルキルリン酸塩、フルオロアルキルスルホン酸塩、ポリオキシエチレン誘導体、フルオロアルキルエチレンオキシド誘導体、ポリエチレングリコール誘導体、アルキルアンモニウム塩、フルオロアルキルアンモニウム塩類、シリコーン誘導体等をあげることができ、特に含フッ素界面活性剤、シリコーン誘導体が好ましい。更に具体的には「メガファック F−251」、「メガファック F−444」、「メガファック F−477」、「メガファック F−510」、「メガファック F−552」、「メガファック F−553」、「メガファック F−554」、「メガファック F−555」、「メガファック F−556」、「メガファック F−557」、「メガファック F−558」、「メガファック F−559」、「メガファック F−560」、「メガファック F−561」、「メガファック F−562」、「メガファック F−563」、「メガファック F−565」、「メガファック F−567」、「メガファック F−568」、「メガファック F−569」、「メガファック F−570」、「メガファック F−571」、「メガファック R−40」、「メガファック R−41」、「メガファック R−43」、「メガファック R−94」、「メガファック RS−72−K」、「メガファック RS−75」、「メガファック RS−76−E」、「メガファック RS−90」、(以上、DIC株式会社製)、
「フタージェント100」、「フタージェント100C」、「フタージェント110」、「フタージェント150」、「フタージェント150CH」、「フタージェントA」、「フタージェント100A-K」、「フタージェント501」、「フタージェント300」、「フタージェント310」、「フタージェント320」、「フタージェント400SW」、「FTX-400P」、「フタージェント251」、「フタージェント215M」、「フタージェント212MH」、「フタージェント250」、「フタージェント222F」、「フタージェント212D」、「FTX-218」、「FTX-209F」、「FTX-213F」、「FTX-233F」、「フタージェント245F」、「FTX-208G」、「FTX-240G」、「FTX-206D」、「FTX-220D」、「FTX-230D」、「FTX-240D」、「FTX-207S」、「FTX-211S」、「FTX-220S」、「FTX-230S」、「FTX-750FM」、「FTX-730FM」、「FTX-730FL」、「FTX-710FS」、「FTX-710FM」、「FTX-710FL」、「FTX-750LL」、「FTX-730LS」、「FTX-730LM」、「FTX-730LL」、「FTX-710LL」(以上、ネオス社製)、
「BYK−300」、「BYK−302」、「BYK−306」、「BYK−307」、「BYK−310」、「BYK−315」、「BYK−320」、「BYK−322」、「BYK−323」、「BYK−325」、「BYK−330」、「BYK−331」、「BYK−333」、「BYK−337」、「BYK−340」、「BYK−344」、「BYK−370」、「BYK−375」、「BYK−377」、「BYK−350」、「BYK−352」、「BYK−354」、「BYK−355」、「BYK−356」、「BYK−358N」、「BYK−361N」、「BYK−357」、「BYK−390」、「BYK−392」、「BYK−UV3500」、「BYK−UV3510」、「BYK−UV3570」、「BYK−Silclean3700」(以上、ビックケミー・ジャパン社製)、
「TEGO Rad2100」、「TEGO Rad2200N」、「TEGO Rad2250」、「TEGO Rad2300」、「TEGO Rad2500」、「TEGO Rad2600」、「TEGO Rad2700」(以上、テゴ社製)、
「N215」、「N535」、「N605K」、「N935」(以上、ソルベイソレクシス社製)等の例をあげることができる。
該一般式(5)で表される好適な化合物として、例えばポリエチレン、ポリプロピレン、ポリイソブチレン、パラフィン、流動パラフィン、塩素化ポリプロピレン、塩素化パラフィン、塩素化流動パラフィン等を挙げることができる。
連鎖移動剤は、重合性化合物を有機溶剤に混合し加熱攪拌して重合性溶液を調製する工程において添加することが好ましいが、その後の、重合性溶液に重合開始剤を混合する工程において添加してもよいし、両方の工程において添加してもよい。
(光学異方体の製造方法)
(光学異方体)
本発明の重合性液晶組成物を用いて作製した光学異方体は、基材、必要に応じて配向膜、及び、重合性液晶組成物の重合体を順次積層したものである。
(塗布)
本発明の光学異方体を得るための塗布法としては、アプリケーター法、バーコーティング法、スピンコーティング法、ロールコーティング法、ダイレクトグラビアコーティング法、リバースグラビアコーティング法、フレキソコーティング法、インクジェット法、ダイコーティング法、キャップコーティング法、ディップコーティング法、スリットコーティング法等、公知慣用の方法を行うことができる。重合性液晶組成物を塗布後、乾燥させる。
(重合工程)
乾燥した重合性液晶組成物の重合処理は、プレーナー配向した状態で一般に紫外線等の光照射、あるいは加熱によって行われる。重合を光照射で行う場合は、具体的には390nm以下の紫外光を照射することが好ましく、250〜370nmの波長の光を照射することが最も好ましい。但し、390nm以下の紫外光により重合性液晶組成物が分解などを引き起こす場合は、390nm以上の紫外光で重合処理を行ったほうが好ましい場合もある。この光は、拡散光で、かつ偏光していない光であることが好ましい。
(重合性液晶組成物(1)の調製)
式(A-1)で表される化合物30部、式(A-2)で表される化合物30部、式(B-1)で表される化合物15部、式(B-2)で表される化合物15部、式(B-3)で表される化合物10部、式(E-1)で表される化合物0.1部、式(G-1)で表される化合物0.1部、及び、式(H-1)で表される化合物0.2部を有機溶剤であるメチルイソブチルケトン300部に、攪拌プロペラを有する攪拌装置を用いて、攪拌速度が500rpm、溶液温度が80℃の条件下で1時間攪拌し重合性溶液を作製した(工程I)。その後、溶液温度を50℃にし、光重合開始剤である(I−1)を6部添加し、溶解混合した後(工程II)、0.2μmのメンブランフィルターで濾過して、本発明の重合性液晶組成物(1)を得た。
(重合性液晶組成物(2)〜(18)の調製)
本発明の重合性液晶組成物(1)の調製と同様に、表1又は表2に示す化合物を、表1又は表2に示す工程(I)における溶液温度、攪拌速度の条件下で調製し、その後、表1又は表2に示す工程(II)における溶液温度で、表1又は表2に示す光重合開始剤を添加し、溶解混合した後、0.2μmのメンブランフィルターで濾過して、本発明の重合性液晶組成物(2)〜(18)を得た。
(比較重合性液晶組成物(C1)の調製)
式(A-1)で表される化合物30部、式(A-2)で表される化合物30部、式(B-1)で表される化合物15部、式(B-2)で表される化合物15部、式(B-3)で表される化合物10部、式(E-1)で表される化合物0.1部、式(G-1)で表される化合物0.1部、式(H-1)で表される化合物0.2部、及び、光重合開始剤である(I−1)6部を有機溶剤であるメチルイソブチルケトン300部に、攪拌プロペラを有する攪拌装置を用いて、攪拌速度が1000rpm、溶液温度が80℃の条件下で1時間攪拌後、0.2μmのメンブランフィルターで濾過して比較用重合性液晶組成物(C1)を得た。
(比較重合性液晶組成物(C2)〜(C7)の調製)
比較重合性液晶組成物(C1)の調製と同様に、表3に示す式(A−1)〜式(I−6)で表される化合物を、表3に示す割合で、有機溶剤であるメチルイソブチルケトン(D−1)に、表3に示す溶液温度、攪拌速度の条件下で1時間攪拌溶解後、0.2μmのメンブランフィルターで濾過して比較用重合性液晶組成物(2)〜(7)を得た。
p−メトキシフェノール(E−1)
IRGANOX1076(F−1)
流動パラフィン(G−1)
メガファック F−554(H−1)
イルガキュア907(I−1)
イルガキュア651(I−2)
ルシリンTPO(I−3)
V−40(I−4)
(配向性1〜4)
調製した重合性液晶組成物を室温で、TAC(トリアセチルセルロース)フィルム上にバーコーター♯4で塗布した後、80℃で2分乾燥した。その後、室温で15分放置した後に、コンベア式の高圧水銀ランプを使用して、照度が500mJ/cm2となるようにセットしてUV光を照射した(配向性1)。
○:目視で欠陥が全くなく、偏光顕微鏡観察でも欠陥が全くない
△:目視では欠陥がないが、偏光顕微鏡観察で全体的に無配向部分が存在している
×:目視で一部欠陥が生じており、偏光顕微鏡観察でも全体的に無配向部分が存在している
なお、配向性測定結果のうち、「−」で示される結果は、用いる重合性液晶組成物の組成が水平配向性を示す場合ラビングなどによる一軸配向規制力をもつ配向層上でないと配向性を評価できないため「−」とし、用いる重合性液晶組成物の組成が垂直配向性を示す場合ラビングなどによる一軸配向規制力をもつ配向層上では配向性を評価できないため「−」と表す。
(ハジキ評価)
TACフィルム上にV1a-100(DIC株式会社製)をスピンコーターで塗布し、80℃で1分間乾燥し、乾燥膜厚15nmの塗膜に、超高圧水銀ランプに波長カットフィルター、バンドパスフィルター、及び、偏光フィルターを介して、波長365nm付近の可視紫外光(照射強度:20mW/cm2)の直線偏光でかつ平行光を、基材に対して垂直方向から照射し(照射量:100mJ/cm2)光配向膜が積層した基材を得た。調整した重合性液晶組成物をバーコーター#4で塗布し、80℃で2分間乾燥し、その後室温で15分間保管した後に、コンベア式の高圧水銀ランプを使用して500mJ/cm2のUV光を照射し、得られた塗膜のハジキ具合を目視にて観察した。
◎:塗膜表面にハジキ欠陥が全く観察されない。
○:塗膜表面にハジキ欠陥が極僅かに観察される。
△:塗膜表面にハジキ欠陥が少し観察される。
×:塗膜表面にハジキ欠陥が多数観察される。
(着色性)
ろ過後の重合性液晶組成物を紫外可視分光光度計にて着色度を測定した。
◎:着色度が3未満である。
○:着色度が3以上5未満である。
△:着色度が5以上10未満である。
×:着色度が10以上である。
(保存安定性)
調製した重合性液晶組成物を40℃で1か月保管した後の溶液状態を観察した。
○:沈殿物が全くなく、均一溶液のままである
△:沈殿物がごく一部確認されるが、ほぼ均一溶液である。
×:沈殿物が確認され、白濁している。
得られた結果を以下の表に示す。
その結果、本発明の重合性組成物の製造方法により製造した組成物は、いずれも着色しておらず、また、沈殿物は確認されず、調製した時点と同じ状態を維持していた。さらに、配向性試験結果、ハジキ性も良好であり、本発明の重合性液晶組成物の製造方法により製造した組成物は、生産性に優れているといえる。
Claims (9)
- 少なくとも1つ以上の重合性官能基を有する少なくとも1種以上の重合性化合物、および、1種又は2種以上の有機溶剤を混合し、前記重合性化合物が有機溶剤に溶解する温度にて加熱攪拌して重合性溶液を調製する工程(I)と、前記重合性溶液の温度が15℃〜50℃、かつ工程(I)の加熱攪拌時の加熱温度よりも低い温度で重合開始剤を混合する工程(II)とを含み、前記重合性化合物が一般式(1)
Spは炭素原子数0〜18のアルキレン基を表し(該アルキレン基中の水素原子は1つ以上のハロゲン原子又はCNにより置換されていても良く、この基中に存在する1つのCH 2 基又は隣接していない2つ以上のCH 2 基はそれぞれ相互に独立して、酸素原子が相互に直接結合しない形で、−O−、−S−、−NH−、−N(CH 3 )−、−CO−、−COO−、−OCO−、−OCOO−、−SCO−、−COS−又は−C≡C−により置き換えられていても良い。)、mは0又は1を表し、
MGはメソゲン基を表し、
R 1 は、水素原子、ハロゲン原子、シアノ基又は炭素原子数1〜18のアルキル基を表すが、該アルキル基は1つ以上のハロゲン原子又はCNにより置換されていても良く、この基中に存在する1つのCH 2 基又は隣接していない2つ以上のCH 2 基はそれぞれ相互に独立して、酸素原子が相互に直接結合しない形で、−O−、−S−、−NH−、−N(CH 3 )−、−CO−、−COO−、−OCO−、−OCOO−、−SCO−、−COS−又は−C≡C−により置き換えられていても良く、あるいはR 1 は一般式(1−a)
で表される化合物である、重合性液晶組成物の製造方法。 - 前記工程(II)の後に、さらに、濾過を行う、請求項1に記載の重合性液晶組成物の製造方法。
- 前記重合性溶液中の重合性化合物の濃度が5質量%〜50質量%である、請求項1又は請求項2に記載の重合性液晶組成物の製造方法。
- 前記加熱攪拌して重合性溶液を調製する工程における加熱撹拌時の加熱温度が15℃〜100℃である、請求項1〜請求項3のいずれか一項に記載の重合性液晶組成物の製造方法。
- 前記加熱攪拌して重合性溶液を調製する工程における攪拌回転数が10rpm〜1000rpmである、請求項1〜請求項4のいずれか一項に記載の重合性液晶組成物の製造方法。
- 前記重合性溶液を調製する工程において重合禁止剤及び/又は酸化防止剤を混合することを特徴とする、請求項1〜請求項5のいずれか一項に記載の重合性液晶組成物の製造方法。
- 前記一般式(1)において、MGが一般式(1−b)
Z0、Z1、Z2及びZ3はそれぞれ独立して、−COO−、−OCO−、−CH2 CH2−、−OCH2−、−CH2O−、−CH=CH−、−C≡C−、−CH=CHCOO−、−OCOCH=CH−、−CH2CH2COO−、−CH2CH2OCO−、−COOCH2CH2−、−OCOCH2CH2−、−CONH−、−NHCO−、ハロゲン原子を有してもよい炭素原子数2〜10のアルキル基又は単結合を表し、
nは0、1又は2を表し、A1、及びZ1が複数存在する場合は、それぞれ、同一であっても、異なっていても良い。)で表される化合物である、請求項1〜請求項6のいずれか一項に記載の重合性液晶組成物の製造方法。 - 前記一般式(1)において、R1が一般式(1−a)で表される化合物を含有する、請求項1〜請求項7のいずれか一項に記載の重合性液晶組成物の製造方法。
- 前記一般式(1)で表される化合物のうち、融点が100℃以上のものを含む請求項1〜請求項8のいずれか一項に記載の重合性液晶組成物の製造方法。
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JP2003026707A (ja) * | 2001-07-12 | 2003-01-29 | Dainippon Ink & Chem Inc | 光干渉性球形樹脂粒子およびその製造方法 |
JP2005272561A (ja) * | 2004-03-24 | 2005-10-06 | Dainippon Ink & Chem Inc | 重合性液晶組成物及びこれの重合物 |
JP2007262289A (ja) * | 2006-03-29 | 2007-10-11 | Dainippon Ink & Chem Inc | 光開始剤及び重合性組成物 |
JP2010175931A (ja) * | 2009-01-30 | 2010-08-12 | Dic Corp | 光配向膜用組成物、光配向膜、及び光学異方体 |
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TW201522383A (zh) | 2015-06-16 |
KR20160053961A (ko) | 2016-05-13 |
KR101987727B1 (ko) | 2019-06-11 |
TWI665220B (zh) | 2019-07-11 |
CN105658679B (zh) | 2018-06-22 |
US20160237351A1 (en) | 2016-08-18 |
US10196568B2 (en) | 2019-02-05 |
JPWO2015056600A1 (ja) | 2017-03-09 |
KR20180091123A (ko) | 2018-08-14 |
WO2015056600A1 (ja) | 2015-04-23 |
CN105658679A (zh) | 2016-06-08 |
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