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    • 2. 发明专利
    • Aqueous polyarylate resin dispersion
    • 水性聚氨酯树脂分散体
    • JP2014031401A
    • 2014-02-20
    • JP2012171116
    • 2012-08-01
    • Unitika Ltdユニチカ株式会社
    • SUGIHARA TAKASHI
    • C08J3/02C08G63/185C08G63/193
    • PROBLEM TO BE SOLVED: To provide an aqueous polyarylate resin dispersion having excellent stability, which can form a resin film having high hardness.SOLUTION: The aqueous polyarylate resin dispersion comprises a polyarylate resin composed of an aromatic dicarboxylic acid component and a divalent phenolic component and satisfying the following (i) to (iii), a basic compound and water, and does not substantially contain an emulsifier: (i) the aromatic dicarboxylic acid component includes terephthalic acid (TPA) and isophthalic acid (IPA) as main components with TPA/IPA=60/40 to 40/60 (mole ratio); (ii) the divalent phenol component includes 20 to 50 mol% of 4,4'-(hexafluoroisopropylidene)diphenol and 20 to 50 mol% of resorcinol; and (iii) an acid value is 4 to 40 mgKOH/g.
    • 要解决的问题:提供一种具有优异稳定性的水性聚芳酯树脂分散体,其可以形成具有高硬度的树脂膜。溶液:聚芳酯树脂分散体包含由芳族二羧酸组分和二价酚醛组分组成的多芳基化合物树脂,和 满足以下(i)〜(iii)的碱性化合物和水,基本上不含有乳化剂:(i)芳香族二羧酸成分包括对苯二甲酸(TPA)和间苯二甲酸(IPA)作为主要成分与TPA / IPA = 60/40〜40/60(摩尔比); (ii)二价酚成分包含20〜50摩尔%的4,4' - (六氟异亚丙基)二酚和20〜50摩尔%的间苯二酚; 和(iii)酸值为4〜40mgKOH / g。