JP2014518294A - 樹脂組成物及びこれを用いて形成された光学補償フィルム - Google Patents
樹脂組成物及びこれを用いて形成された光学補償フィルム Download PDFInfo
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- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims abstract description 21
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 20
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical compound O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 claims description 3
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- C08L39/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Compositions of derivatives of such polymers
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- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L35/02—Homopolymers or copolymers of esters
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L33/10—Homopolymers or copolymers of methacrylic acid esters
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- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
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- C08L35/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least one other carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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Abstract
【選択図】なし
Description
[式2]Rin=(nx−ny)×d
ここで、nxはフィルムの面方向において最も屈折率が大きい方向の屈折率、nyはフィルムの面方向においてnx方向の垂直方向の屈折率、nzは厚さ方向の屈折率、dはフィルムの厚さを意味する。
[式2]Rin=(nx−ny)×d
ここで、nxはフィルムの面方向において最も屈折率が大きい方向の屈折率、nyはフィルムの面方向においてnx方向の垂直方向の屈折率、nzは厚さ方向の屈折率、dはフィルムの厚さを意味する。
Claims (23)
- (a)アルキル(メタ)アクリレート系単位、(b)スチレン系単位、(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位及び(d)ビニルシアナイド単位を含む、樹脂組成物。
- 前記樹脂組成物は、(a)アルキル(メタ)アクリレート系単位、(b)スチレン系単位、(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位及び(d)ビニルシアナイド単位からなる群より選択された単位の2元または3元共重合体の組み合わせを含む、請求項1に記載の樹脂組成物。
- 前記(a)アルキル(メタ)アクリレート系単位のアルキル部(moiety)は、メチル基またはエチル基である、請求項1または2に記載の樹脂組成物。
- 前記(b)スチレン系単位は、スチレンのベンゼン環またはビニル基がC1−4アルキル及びハロゲンを含む基より選択される一つ以上の置換基で置換されたスチレンからなる群より選択される一種以上である、請求項1から3のいずれか一項に記載の樹脂組成物。
- 前記(b)スチレン系単位は、α−メチルスチレン、p−ブロモスチレン、p−メチルスチレン及びp−クロロスチレンからなる群より選択される一種以上である、請求項1から3のいずれか一項に記載の樹脂組成物。
- 前記(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環系単位は、マレイン酸無水物、マレイミド、グルタル酸無水物、グルタルイミド、ラクトン及びラクタムからなる群より選択される、請求項1から5のいずれか一項に記載の樹脂組成物。
- 前記(d)ビニルシアナイド単位は、アクリル酸、メタクリル酸、アクリル酸及びメタクリル酸のアルキルエステル、メタクリロニトリル、アクリルアミド及びアクリロニトリルからなる群より選択される、請求項1から6のいずれか一項に記載の樹脂組成物。
- 前記樹脂組成物は、フェノキシ系樹脂をさらに含む、請求項1から7のいずれか一項に記載の樹脂組成物。
- 前記フェノキシ系樹脂は、全体の樹脂組成物100重量部に対して1〜5重量部で混合される、請求項8に記載の樹脂組成物。
- 前記共重合体は、(A)(a)アルキル(メタ)アクリレート系単位及び(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位からなる2元共重合体と(B)(b)スチレン系単位及び(d)ビニルシアナイド単位からなる2元共重合体との組み合わせである、請求項2に記載の樹脂組成物。
- 前記(A)共重合体は、(A)共重合体100重量部に対して(a)アルキル(メタ)アクリレート系単位50〜99重量部及び(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位1〜50重量部を含む、請求項10に記載の樹脂組成物。
- 前記(A)共重合体は、(A)共重合体100重量部に対して(a)アルキル(メタ)アクリレート系単位80〜97重量部及び(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位3〜20重量部を含む、請求項10に記載の樹脂組成物。
- 前記(A)共重合体は、(A)共重合体100重量部に対して(a)アルキル(メタ)アクリレート系単位85〜95重量部及び(c)少なくとも一つのカルボニル基で置換された3〜6元素ヘテロ環単位5〜15重量部を含む、請求項10に記載の樹脂組成物。
- 前記(B)共重合体は、(B)共重合体100重量部に対して(b)スチレン系単位50〜99重量部及び(d)ビニルシアナイド単位1〜50重量部を含む、請求項10に記載の樹脂組成物。
- 前記(B)共重合体は、(B)共重合体100重量部に対して(b)スチレン系単位65〜95重量部及び(d)ビニルシアナイド単位5〜35重量部を含む、請求項10に記載の樹脂組成物。
- 前記(B)共重合体は、(B)共重合体100重量部に対して(b)スチレン系単位70〜90重量部及び(d)ビニルシアナイド単位10〜30重量部を含む、請求項10に記載の樹脂組成物。
- 前記(A)共重合体及び(B)共重合体が70:30〜90:10の重量比で混合される、請求項10に記載の樹脂組成物。
- 前記樹脂組成物は、コンパウンディング樹脂である、請求項1から17のいずれか一項に記載の樹脂組成物。
- 請求項1から18のいずれか一項に記載の樹脂組成物を用いて形成される、光学フィルム。
- 前記光学フィルムは、550nm波長の光において下記式1で示される厚さ方向位相差(Rth)の値が−50〜−250である、請求項19に記載の光学フィルム:
[式1]Rth=[(nx+ny)/2−nz]×d
ここで、nxはフィルムの面方向において最も屈折率が大きい方向の屈折率、nyはフィルムの面方向においてnx方向の垂直方向の屈折率、nzは厚さ方向の屈折率、dはフィルムの厚さを意味する。 - 前記光学フィルムは、550nm波長の光において下記式2で示される面方向位相差(Rin)の値が50〜200である、請求項19に記載の光学フィルム:
[式2]Rin=(nx−ny)×d
ここで、nxはフィルムの面方向において最も屈折率が大きい方向の屈折率、nyはフィルムの面方向においてnx方向の垂直方向の屈折率、nzは厚さ方向の屈折率、dはフィルムの厚さを意味する。 - 前記光学フィルムは、550nm波長の光において下記式2で示される面方向位相差と下記式1で示される厚さ方向位相差の比(Rin/Rth)の絶対値が0.4〜1.5である、請求項19に記載の光学フィルム:
[式1]Rth=[(nx+ny)/2−nz]×d
[式2]Rin=(nx−ny)×d
ここで、nxはフィルムの面方向において最も屈折率が大きい方向の屈折率、nyはフィルムの面方向においてnx方向の垂直方向の屈折率、nzは厚さ方向の屈折率、dはフィルムの厚さを意味する。 - 前記光学フィルムは、平面内スイッチング(IPS)モードの液晶表示装置用位相差フィルムである、請求項19に記載の光学フィルム。
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