JP7072570B2 - 光劣化から色素を保護するエポキシ官能性組成物及びこの組成物から作製される硬化コーティング - Google Patents
光劣化から色素を保護するエポキシ官能性組成物及びこの組成物から作製される硬化コーティング Download PDFInfo
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Description
RnYmSi(X)4-n-m (I)
エポキシシランであり、式中のR基は、同じであるか異なり、炭素原子によってSi原子と結合しており少なくとも1つ、好ましくは1つのエポキシ官能基を含む一価の有機基であり;X基は、同じであるか異なり、加水分解性基(アルコキシ基又はハロゲン原子等)であり;Yは、エポキシ基を含まず炭素原子によってSi原子に結合している一価の有機基であり;n及びmは、n=1又は2及びn+m=1又は2などの整数である。本開示では、水素原子及びヒドロキシル基は加水分解性基とみなされる。
色素A:ABS-420(登録商標)(λmax=約421nm)、Exciton Inc.より(青色光遮断色素)
色素B:ソルベントイエロー114(λmax=約446nm、キノリン色素)、American Dyestuff Corp.より
色素C:ソルベントブルー45(λmax=約624nm、アントラセン色素、Savinyl Blue RSとも呼ばれる)、Clariant International Ltd.より
a)エポキシコーティング中の色素の光劣化を、作製したレンズに対してQ-sun試験を行うことによって測定した。この試験では、Q-LABから購入した、相対湿度20%(±5%)、温度23℃(±5℃)のQ-SUN(登録商標)Xe-3キセノンチャンバーを使用し、フルスペクトルの太陽光を再現する。
色素の光劣化=(T%色素のλmax40h-T%色素のλmax0h)/(T%Ormaのλmax40h-T%色素のλmax0h)
本発明による組成物1~8及び比較組成物C1~C2を調製するために使用した様々な成分、並びに実施した試験の結果を下の表に示す。
Claims (20)
- 少なくとも1種の吸収色素の光安定性を改善させるための光学フィルター用コーティング組成物であって、
共役発色団を有し、400nm~500nmの波長範囲内の光の透過を少なくとも部分的に抑制し、選択的に、前記400nm~500nmの波長範囲内で最大吸収ピークを有し、ポルフィリン及びキノリンから選択される少なくとも1種の吸収色素と、
少なくとも1つの脂環式基又はアリール基を含む1種以上のエポキシ化合物と、
を含有し、
前記少なくとも1種のエポキシ化合物中の炭素原子数/酸素原子数の比が3以上であり、
前記エポキシ化合物の乾燥抽出物重量が前記組成物の乾燥抽出物重量の33%超を占める、組成物。 - 炭素原子数/酸素原子数の比が3.3以上である、請求項1に記載の組成物。
- 炭素原子数/酸素原子数の比が3.5以上である、請求項2に記載の組成物。
- 炭素原子数/酸素原子数の比が4以上である、請求項1~3のいずれか1項に記載の組成物。
- 炭素原子数/酸素原子数の比が4.5以上である、請求項4に記載の組成物。
- 前記吸収色素が前記組成物の前記乾燥抽出物重量に対して0.01~1.25%の範囲の量で存在する、請求項1~5のいずれか1項に記載の組成物。
- 前記吸収色素が415~455nmの波長範囲内の光の透過を少なくとも部分的に抑制する、請求項1~6のいずれか1項に記載の組成物。
- 前記吸収色素が前記400nm~500nmの波長範囲内の光の透過を選択的に抑制する、請求項1~7のいずれか1項に記載の組成物。
- UV吸収剤もフリーラジカル捕捉剤も全く含まないものとして更に定義される、請求項1~8のいずれか1項に記載の組成物。
- 少なくとも1種のUV吸収剤及び/又は少なくとも1種のフリーラジカル捕捉剤を含むものとして更に定義される、請求項1~8のいずれか1項に記載の組成物。
- 前記脂環式基がシクロアルキル基である、請求項1~10のいずれか1項に記載の組成物。
- 少なくとも1つの脂環式基又はアリール基を含む前記エポキシ化合物が、少なくとも1つのアリールグリシジルエーテル基又はβ-(3,4-エポキシシクロヘキシル)アルキル基を含む、請求項1~11のいずれか1項に記載の組成物。
- 少なくとも1つの脂環式基又はアリール基を含む前記エポキシ化合物が、少なくとも2つのエポキシ基を含む、請求項1~12のいずれか1項に記載の組成物。
- 前記光学フィルターコーティング組成物は、硬化後のコーティングを提供し、参照レンズ上に設けられた前記コーティングをQ-sun Xe-3キセノン試験チャンバーの中で40時間露光した後、前記吸収色素の光劣化は30%未満であり、
前記光劣化は、下記式により計算される請求項1~13のいずれか1項に記載の組成物
(T% 色素 40h -T% 色素 0h )/(T% 参照 40h -T% 色素 0h )
T% 色素 40h は、40時間露光した後に、前記コーティングが塗布された参照レンズの透過%であり、
T% 色素 0h は、露光前に、前記コーティングが塗布された参照レンズの透過%であり、
T% 参照 40h は、40時間露光した後に、前記コーティングが塗布されていない参照レンズの透過%であり、
前記透過は、前記吸収色素の最大吸収ピークに対応する波長で測定される。 - 少なくとも1種の吸収色素の光安定性を改善させるコーティングを含む少なくとも1つの主表面を有し、前記コーティングは、請求項1~14のいずれか1項に記載の光学フィルター用コーティング組成物を基材上に付着させてから硬化させることによって得られる、光学物品。
- 少なくとも1つの無機物層を更に含む、請求項15に記載の光学物品。
- 少なくとも1つの反射防止コーティングの無機物層を更に含む、請求項16に記載の光学物品。
- 光学レンズとして更に定義される、請求項15~17のいずれか1項に記載の光学物品。
- 眼科用レンズとして更に定義される、請求項15~17のいずれか1項に記載の光学物品。
- コーティングに含まれる少なくとも1種の吸収色素の光安定性を改善するための製造方法であって、
少なくとも1つの脂環式基又はアリール基を含む1種以上のエポキシ化合物の使用を有し、
前記少なくとも1種のエポキシ化合物中の炭素原子数/酸素原子数の比が3以上であり、
前記コーティングは、前記少なくとも1種のエポキシ化合物と、前記少なくとも1種の吸収色素を含有する光学フィルターコーティング組成物を硬化することによって獲得され、
前記少なくとも1種の吸収色素は、共役発色団を有し、且つ、380nm~780nmの波長範囲内の光の透過を少なくとも部分的に抑制し、
前記少なくとも1種のエポキシ化合物の乾燥抽出物重量は、前記組成物の乾燥抽出物重量の33%超を占める、方法。
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EP16306547.7A EP3327091B1 (en) | 2016-11-23 | 2016-11-23 | Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom |
PCT/EP2017/077266 WO2018095679A1 (en) | 2016-11-23 | 2017-10-25 | Epoxy functional composition protecting dyes from photo-degradation and cured coatings prepared therefrom |
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US11709290B2 (en) | 2018-10-05 | 2023-07-25 | Essilor International | Heat curable epoxy compositions and transparent heat-cured coatings with durable adhesion prepared therefrom |
US20220411645A1 (en) * | 2019-11-21 | 2022-12-29 | Essilor International | Radiation curable coating compositions for light filtering |
US11963868B2 (en) | 2020-06-01 | 2024-04-23 | Ast Products, Inc. | Double-sided aspheric diffractive multifocal lens, manufacture, and uses thereof |
IT202100009383A1 (it) * | 2021-04-14 | 2022-10-14 | Roberto Pinelli | Filtro modulatore di onde elettromagnetiche |
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Also Published As
Publication number | Publication date |
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CN109937241B (zh) | 2022-08-05 |
BR112019007641A2 (pt) | 2019-07-02 |
PT3327091T (pt) | 2023-04-19 |
ES2941899T3 (es) | 2023-05-26 |
CA3040582A1 (en) | 2018-05-31 |
CN109937241A (zh) | 2019-06-25 |
US11214695B2 (en) | 2022-01-04 |
US20190375948A1 (en) | 2019-12-12 |
PL3327091T3 (pl) | 2023-07-03 |
JP2020513582A (ja) | 2020-05-14 |
WO2018095679A1 (en) | 2018-05-31 |
EP3327091B1 (en) | 2023-01-18 |
EP3327091A1 (en) | 2018-05-30 |
BR112019007641B1 (pt) | 2024-03-05 |
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