JP7274260B2 - 量子ドットの分散及びバリア性の改善のためにチオール基を有する反応性添加剤を含むポリマー複合体及びフィルム - Google Patents
量子ドットの分散及びバリア性の改善のためにチオール基を有する反応性添加剤を含むポリマー複合体及びフィルム Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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Description
表示するポリマーフィルムの酸素透過性(cc/m/日/気圧)は、Mocon OX-TRAN model 2/21装置(Mocon, Inc.,ミネアポリス、ミネソタ州)を用いて測定した。その方法の詳細は、23℃において、3%の酸素と97%の窒素の試験ガスを用いるASTMの方法D3985(プラスチックのフィルム及びシートを通過する酸素ガスの透過速度についての電量測定センサを用いる標準的な試験方法、1981年1月30日)に概説されている。測定値は、下記に開示する方法で作製した、表示する第1の化合物が10重量%で装填されたフィルムから取得した。
OHSは、オリゴ(12-ヒドロキシステアリン酸)、Mw=1,500、OHS-SHは、単一のチオール基を含むオリゴ(12-ヒドロキシステアリン酸)、Mw=1,500、Cはシステイン、IBOAはアクリル酸イソボルニル、SR833はトリシクロ[5.2.1.02,6]デカンジメタノールジアクリレート、I-819及びI-651はIRGACURE光活性重合開始剤(BASF AG,Leverkusen,DE)、Finex(商標)酸化亜鉛粒子(Sakai Chemical Industry co.,LTD.,Japan)、CFQDはカドミウムを含まない量子ドットを表す。緑色CFQDは、インジウムを含むコアを有するコアシェルQDを含むとともに、73.9%の量子収率(PLQY)、44.1ナノメートルFWHM、及び534.4ナノメートルPWL(吸光度=0.3)を示す。全ての量子ドットは無極性配位子を更に含む。
Claims (10)
- 内部に量子ドットを分散させたポリマー複合体であって、
前記ポリマー複合体は、(a)量子ドットと、(b)第1の化合物の重合単位と、(c)第2の化合物の重合単位と、を含み、
前記第1の化合物は、1~6つのチオール基を含み、300~20,000の分子量を有し、かつ少なくとも3個の連続した炭素原子の少なくとも1つの非環式ヒドロカルビル鎖を有し、
前記第2の化合物は、100~750の分子量を有し、かつ(メタ)アクリレートエステル基の一部としてまたは芳香環に直接結合した少なくとも2つの重合可能なビニル基を含み、
前記第1の化合物の前記分子量から前記第2の化合物の前記分子量を差し引いた値が少なくとも100であり、並びに
前記重合単位(b)を作製するために使用される前記第1の化合物は、少なくとも1つのヒドロキシル基を更に含む、ポリマー複合体。 - 前記(a)量子ドットがカドミウムを含まない量子ドットである、請求項1に記載のポリマー複合体。
- 前記重合単位(b)を作製するために使用される前記第1の化合物は、少なくとも5個の連続した炭素原子の少なくとも1つの非環式ヒドロカルビル鎖を含む、請求項1に記載のポリマー複合体。
- 内部に量子ドットを分散させたポリマー複合体であって、
前記ポリマー複合体は、(a)量子ドットと、(b)第1の化合物の重合単位と、(c)第2の化合物の重合単位と、を含み、
前記第1の化合物は、1~6つのチオール基を含み、300~20,000の分子量を有し、かつ少なくとも3個の連続した炭素原子の少なくとも1つの非環式ヒドロカルビル鎖を有し、
前記第2の化合物は、100~750の分子量を有し、かつ(メタ)アクリレートエステル基の一部としてまたは芳香環に直接結合した少なくとも2つの重合可能なビニル基を含み、
前記第1の化合物の前記分子量から前記第2の化合物の前記分子量を差し引いた値が少なくとも100であり、並びに
前記重合単位(b)を作製するために使用される前記第1の化合物は、N-アルキルアミンチオールもしくはチオール基含有アミノ酸とC12-C26脂肪族ヒドロキシカルボン酸とのオリゴマーもしくはポリマー付加物、N-アルキルアミンチオールもしくはチオール基含有アミノ酸とC12-C26脂肪族カルボン酸との付加物、チオアルキルカルボン酸とC12-C26脂肪族ジオールもしくはトリオールとの付加物、またはチオアルキルカルボン酸と1つ以上のC4-C16ヒドロキシアルキル(メタ)アクリレートのオリゴマーとの付加物のうちのいずれかを含む、ポリマー複合体。 - 前記(a)量子ドットがカドミウムを含まない量子ドットである、請求項4に記載のポリマー複合体。
- 前記重合単位(b)を作製するために使用される前記第1の化合物は、末端チオール基を有するオリゴ(ヒドロキシ脂肪酸)アミドであり、前記オリゴ(ヒドロキシ脂肪酸)アミドは、前記オリゴ(ヒドロキシ脂肪酸)アミドの末端炭素でもなく末端炭素に直接結合する炭素でもない任意の炭素に結合しているヒドロキシル基を含む、請求項1に記載のポリマー複合体。
- 前記重合単位(b)を作製するために使用される前記第1の化合物は、12-ヒドロキシステアリン酸のチオールエチルアミド、またはオリゴ(12-ヒドロキシステアリン酸)のチオールエチルアミドである、請求項6に記載のポリマー複合体。
- 前記重合単位(c)を作製するために使用される前記第2の化合物は、芳香環もしくは脂環式基に結合した(メタ)アクリレートエステル基を有するもの、芳香環もしくは脂環式基に直接結合したビニル基を有するもの、またはそれらの混合物から選択されるモノマーを含む、請求項1~7のいずれか一項に記載のポリマー複合体。
- 前記重合単位(c)を作製するために使用される前記第2の化合物は、トリシクロデカンジメタノールジアクリレート、イソボルニルジメタクリレート、ジビニルベンゼン、またはそれらの混合物から選択される、請求項1~7のいずれか一項に記載のポリマー複合体。
- 前記ポリマー複合体は、(a)0.001~5重量%の量子ドットと、(b)0.5~
40重量%の前記第1の化合物の重合単位と、(c)55~94.999重量%の前記第2の化合物の重合単位と、を含む、請求項1~9のいずれか一項に記載のポリマー複合体。
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