JP5280663B2 - ヒンダードアミン光安定剤を使用したビニル製品中の螢光染料の安定化 - Google Patents
ヒンダードアミン光安定剤を使用したビニル製品中の螢光染料の安定化 Download PDFInfo
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- JP5280663B2 JP5280663B2 JP2007258032A JP2007258032A JP5280663B2 JP 5280663 B2 JP5280663 B2 JP 5280663B2 JP 2007258032 A JP2007258032 A JP 2007258032A JP 2007258032 A JP2007258032 A JP 2007258032A JP 5280663 B2 JP5280663 B2 JP 5280663B2
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- 0 CCCCC(Cc(cc1C(C)(C)*(C)C)cc(C(C)(*)*)c1O)(C(OC1CC(C)(*)N(*)C(C)(*)C1)=O)C(OC1CC(C)(*)N(*)C(C)(C)C1)=[U] Chemical compound CCCCC(Cc(cc1C(C)(C)*(C)C)cc(C(C)(*)*)c1O)(C(OC1CC(C)(*)N(*)C(C)(*)C1)=O)C(OC1CC(C)(*)N(*)C(C)(C)C1)=[U] 0.000 description 1
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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Description
ここでの用法では、
「着色剤」とは、製品に色相および彩度を付与するのに使用される顔料または染料またはその他の物質を意味し、
「従来の着色剤」とは、可視光および/または紫外光に暴露した際に顕著に螢光を発せず、肉眼に螢光特性を示さない着色剤を意味し、
「キューブフィルム」とは、その1つの表面から突出するキューブコーナ要素を有する単一再帰反射性フィルムを意味し、
「キューブコーナシート」とは、キューブコーナ要素を含有する多層再帰反射性シートを意味し、
「耐久性のある」とは、風化暴露時の向上した色または蛍光の保持を意味し、
「包埋レンズ」再帰反射性ベースシートは、(a)空隙層を有する微小球の単層、および(b)微小球裏面およびその中に微小球前面が包埋された結合層と光学的関連にある反射層を有し、
「カプセルレンズ」再帰反射性ベースシートは、(a)微小球裏面と結びついた反射層を有する微小球の単層、および(b)セルを形作る微小球前面に配置されたカバー層を含み、
「露出レンズ」再帰反射性ベースシートは、結合層内に包埋された微小球裏面と結びついた反射層を有する微小球単層を含み、
「ヒンダードアミン光安定剤」とは、螢光染料を光安定化させるのに使用される二級または三級アミン基を有する添加剤を意味し、
「ポリマーマトリックス」とは、その中に螢光染料およびヒンダードアミン光安定剤がある主要なポリマー材料を意味し、
「二級アミン基」とは、窒素(N)を含有し、窒素原子に結合した1個の水素(H)原子を有する基を意味し、
「三級アミン基」とは、窒素(N)を含有し、窒素原子に結合した水素(H)原子を有さない基を意味し、
「実質的に無溶剤のポリ塩化ビニル樹脂」とは、溶剤を使用することなく押出、または圧延によって加工できる重合ポリ塩化ビニル樹脂を意味し、
「チオキサンテン螢光染料」とは、その分子構造の一部としてチオキサンテン単位を有する螢光染料を意味し、
「風化」とは、例えば熱、光、湿気、および紫外線放射をはじめとする天然または人工環境のいずれかに、製品を暴露することを意味する。
(b)製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料、および
(c)少なくとも1つの二級または三級アミン基を含み、約1000g/モル未満の分子量を有するヒンダードアミン光安定剤
を含む耐久性のある色および螢光特性を示す製品に関する。
本願発明は、第二の態様として、(a)実質的に無溶剤のポリ塩化ビニル樹脂、製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料、および少なくとも1つの二級または三級アミン基を含み、1000g/モル未満の分子量を有するヒンダードアミン光安定剤を混合物に組み合わせるステップ、および
(b)その混合物から製品を形成するステップ
を含む耐久性のある色および螢光特性を示す製品を製造する方法に関する。
本願発明は、第三の態様として、(a)(i)ポリ塩化ビニルホストマトリックス、(ii)少なくとも1つの二級または三級アミン基を含有し、1000g/モル未満の分子量を有するヒンダードアミン光安定剤、および(iii)製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料を含む着色層、および
(b)紫外線吸収剤を含み、前記着色層上に配置された保護層
を含む、耐久性のある色および螢光特性を示す製品に関する。
本願発明に関する発明の態様として以下のものが考えられる。
本発明は、ポリ塩化ビニルホストマトリックスを螢光染料およびヒンダードアミン光安定剤に組み合わせて、耐久性のある着色螢光製品を生成する。
発明のフィルムは、押出または圧延方法を使用して製造できる。どちらの方法も実質的に平面のフィルムを製造するのに有用であるが、それぞれ異なる工程によってそれを実行する。押出は、粘稠な溶融物を加圧下で加工して成形型を通して連続ストリームに押出て、フィルムを形成することを伴う。圧延は、溶融した粘稠な材料を連続する同時回転平行ロールの間に供給して、フィルムを形成する。押出はキューブフィルムが望ましい場合、押出機から出てくる供給材料をキューブコーナ溝を有する型に直接ニップできる利点を有する。他方圧延は、この工程を使用して柔軟なPVCフィルムが経済的に製造できる利点を有する。
以下の実施例は、異なる実施態様および発明の詳細を説明するために提供される。実施例はこの目的を果たしながら、使用される特定の成分および量、並びにその他の条件および詳細は、この発明の範囲を不当に制限するものではない。特に断りのない限り、百分率は全て重量%である。
太陽光への屋外暴露を加速してシミュレートするために、いくつかのサンプルをASTM G−26タイプB、方法Aによって定義される周期に従って促進風化に暴露した。光源は、ホウケイ酸塩内部および外部フィルターを有する6500Wの水冷式キセノンアーク装置であった。光源は約0.55W/m2の照射量を示す。風化周期は、(試験方法で定義される)ブラックパネル温度約63℃の光102分間、それに続くサンプルを脱イオン水噴霧に曝しながらの暴露18分間から成った。
サンプル中に保持される螢光染料の量は、サンプルを風化に暴露する前後にUV−Vis分光分析を使用して、主要染料吸収帯(456nm)を測定することで求められた。使用した実証的なUV−Vis分光光度計は、Shimadzu UV2101−PC型であった。
厚さ約0.089mm(0.0035インチ)〜約0.11mm(0.0045インチ)を有するポリ塩化ビニルフィルムを以下のようにして製造した。PVC樹脂(Alpha Chemical and Plastics Corp.からの配合S00354)を約0.2%のSO63螢光染料および約0.5%のT−770 HALSと混合した。樹脂/染料/HALSの混合物を回転混合した。次にこれを約175、205、205、175、および175℃に設定した5つの加熱領域と、約180℃に設定したフィルム押型を有する単一スクリュー押出機を使用して、実質的に平面のフィルムに押出た。押出機は、磨きクロムロールの付いた4分の3インチ単一スクリューブラベンダー押出機であった。
以下のようにパイロット規模の圧延工程を使用して、ポリ塩化ビニルフィルムを製造した。PVCの粉末を約0.2%のSY98螢光染料および約0.5%のT−770HALSと混合した。例えば可塑剤、潤滑剤、および充填剤などのその他の添加剤を加工助剤として、または柔軟なPVCフィルムを製造する一助として添加した。存在する場合は濾過器を通して金属を除去し、混合物を供給した。混合物を連続的に混合して溶融塊を形成し粉砕して、全て約177℃(350°F)に加熱したロールを通して供給し、厚さ約0.13mm〜約0.15mm(0.005〜0.006インチ)の発明のフィルムを形成した。サンプルを400時間の促進風化に暴露し、データを下の表3に報告する。
HALSをPVC 粉末に添加しなかったこと以外は実施例7に従って、圧延PVCフィルムを製造した。サンプルを400時間の促進風化に曝して、データを表3に報告する。
態様1:(a)実質的に無溶剤のポリ塩化ビニル樹脂を含有するポリマーマトリックス、
(b)チオキサンテン螢光染料、および
(c)少なくとも1つの二級または三級アミン基を含み、約1000g/モル未満の分子量を有するヒンダードアミン光安定剤
を含む耐久性のある色および螢光特性を示す製品。
態様2:ポリマーマトリックスが、可塑化ポリ塩化ビニル樹脂をさらに含む態様1に記載の製品。
態様3:ヒンダードアミン光安定剤が、ビス−(2,2,6,6−テトラメチル−4−ピペリジニル)セバケート、ビス−(1,2,2,6,6−ペンタメチル−4−ピペリジニル)−2−n−ブチル−2−(3,5−ジ−tert−ブチル−4−ヒドロキシベンジル)マロネート、および[(4−メトキシフェニル)−メチレン]−ビス−(1,2,2,6,6−ペンタメチル−4−ピペリジニル)エステルからなる群の少なくとも1つから選択される態様1〜2のいずれか1項に記載の製品。
態様4:製品が、再帰反射性キューブフィルムである態様1〜3のいずれか1項に記載の製品。
態様5:製品が、その下に配置された再帰反射性ベースシートを有するフィルムである態様1〜3のいずれか1項に記載の製品。
態様6:再帰反射性ベースシートが、キューブコーナベースのシートまたは微小球ベースのシートである態様5に記載のシート。
態様7:保護的オーバーレイをさらに含む態様6に記載の製品。
態様8:(a)実質的に無溶剤のポリ塩化ビニル樹脂、チオキサンテン螢光染料、および少なくとも1つの二級または三級アミン基を含み、1000g/モル未満の分子量を有するヒンダードアミン光安定剤を混合物に組み合わせるステップ、および
(b)混合物から製品を形成するステップ
を含む耐久性のある色および螢光特性を示す製品を製造する方法。
態様9:製品が、製品の総重量を基準にして最高約2重量%のチオキサンテン螢光染料を含有する態様1に記載の製品、または態様8に記載の方法。
態様10:製品が、製品の総重量を基準にして最高約2重量%のヒンダードアミン光安定剤を含有する態様1に記載の製品、または態様8に記載の方法。
Claims (3)
- (a)実質的に無溶剤のポリ塩化ビニル樹脂を含有するポリマーマトリックス、
(b)製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料、および
(c)少なくとも1つの二級または三級アミン基を含み、1000g/モル未満の分子量を有するヒンダードアミン光安定剤
を含む耐久性のある色および螢光特性を示す製品。 - (a)実質的に無溶剤のポリ塩化ビニル樹脂、製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料、および少なくとも1つの二級または三級アミン基を含み、1000g/モル未満の分子量を有するヒンダードアミン光安定剤を混合物に組み合わせるステップ、および
(b)その混合物から製品を形成するステップ
を含む耐久性のある色および螢光特性を示す製品を製造する方法。 - (a)(i)ポリ塩化ビニルホストマトリックス、(ii)少なくとも1つの二級または三級アミン基を含有し、1000g/モル未満の分子量を有するヒンダードアミン光安定剤、および(iii)製品に色相および彩度を付与するのに適用されるチオキサンテン螢光染料を含む着色層、および
(b)紫外線吸収剤を含み、前記着色層上に配置された保護層
を含む、耐久性のある色および螢光特性を示す製品。
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US08/956,332 US6110566A (en) | 1997-10-23 | 1997-10-23 | Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers |
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1998
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- 1998-02-24 DE DE1998609280 patent/DE69809280T2/de not_active Expired - Lifetime
- 1998-02-24 EP EP98908695A patent/EP1025156B1/en not_active Expired - Lifetime
- 1998-02-24 KR KR10-2000-7004357A patent/KR100518493B1/ko not_active IP Right Cessation
- 1998-02-24 WO PCT/US1998/003577 patent/WO1999020688A1/en active IP Right Grant
- 1998-02-24 AU AU66660/98A patent/AU6666098A/en not_active Abandoned
- 1998-02-24 JP JP2000517017A patent/JP2001520293A/ja not_active Withdrawn
- 1998-02-24 CA CA 2308253 patent/CA2308253C/en not_active Expired - Fee Related
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1999
- 1999-03-02 TW TW87117494A patent/TW538123B/zh not_active IP Right Cessation
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2000
- 2000-06-14 US US09/593,335 patent/US6406798B2/en not_active Expired - Lifetime
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2001
- 2001-12-20 US US10/028,162 patent/US6526588B2/en not_active Expired - Fee Related
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2002
- 2002-11-26 US US10/304,501 patent/US7449514B2/en not_active Expired - Fee Related
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2005
- 2005-05-11 US US11/126,683 patent/US20050213213A1/en not_active Abandoned
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2006
- 2006-08-24 US US11/467,031 patent/US7468406B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
JP2008063579A (ja) | 2008-03-21 |
KR20010031358A (ko) | 2001-04-16 |
US20060292347A1 (en) | 2006-12-28 |
EP1025156A1 (en) | 2000-08-09 |
CN1139628C (zh) | 2004-02-25 |
US7468406B2 (en) | 2008-12-23 |
TW538123B (en) | 2003-06-21 |
KR100518493B1 (ko) | 2005-10-05 |
EP1025156B1 (en) | 2002-11-06 |
US6110566A (en) | 2000-08-29 |
DE69809280T2 (de) | 2003-09-18 |
US7449514B2 (en) | 2008-11-11 |
CA2308253C (en) | 2007-05-22 |
US6526588B2 (en) | 2003-03-04 |
US6406798B2 (en) | 2002-06-18 |
DE69809280D1 (de) | 2002-12-12 |
US20020090530A1 (en) | 2002-07-11 |
CN1278841A (zh) | 2001-01-03 |
US20010046607A1 (en) | 2001-11-29 |
US20050213213A1 (en) | 2005-09-29 |
JP2001520293A (ja) | 2001-10-30 |
US20030104235A1 (en) | 2003-06-05 |
AU6666098A (en) | 1999-05-10 |
CA2308253A1 (en) | 1999-04-29 |
WO1999020688A1 (en) | 1999-04-29 |
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