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    • 5. 发明申请
    • CURABLE POLYESTERS AND THERMOSETTING COMPOSTIONS CONTAINING RESOLE PHENOLIC RESINS
    • 可固化聚酯和含有酚醛树脂的热固化组合物
    • US20160115345A1
    • 2016-04-28
    • US14683278
    • 2015-04-10
    • Eastman Chemical Company
    • Thauming KuoJunjia LiuPhillip Bryan Hall
    • C09D167/02B05D1/02B05D1/28C09D171/00
    • B05D1/28C09D167/06C08L61/04
    • There is now provided a variety of curable polyester resins that cure well with phenolic crosslinking agents. The curable polyester resins include polyester resins that have both carboxyl and hydroxyl functionalities and a high ratio of carboxyl functionalities to hydroxyl functionalities; unsaturated curable polyester having residues of an α,β-unsaturated polycarboxylic acid compound with at least one unsaturation in a position that is α,β relative to a carbonyl group and not located on an aromatic ring; and a curable polyester resin containing beta-ketoacetate moieties without vinyl unsaturation. The curable polyester resin can be dispersed in water or dissolved in a solvent and is suitable for waterborne or solventborne coating compositions. Phenolic based crosslinking coating compositions that contain these curable polyester resins cure well with phenolic resin crosslinking compounds with a wide variety of reactive curable polyester resins or other kinds of polyester resins.
    • 现在提供了多种可固化的聚酯树脂,其与酚交联剂良好地固化。 可固化聚酯树脂包括具有羧基和羟基官能团以及羧基官能团与羟基官能团的高比例的聚酯树脂; 不饱和固化性聚酯,其具有在α,bgr的位置具有至少一个不饱和键的α,β-不饱和多元羧酸化合物的残基; 相对于羰基而不位于芳环上; 和含有不具有乙烯基不饱和键的β-酮乙酸酯部分的可固化聚酯树脂。 可固化聚酯树脂可以分散在水中或溶于溶剂中,适用于水性或溶剂型涂料组合物。 含有这些可固化聚酯树脂的酚醛交联涂料组合物与各种反应性固化聚酯树脂或其它类型的聚酯树脂的酚醛树脂交联化合物很好地固化。