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    • 1. 发明申请
    • POLYURETHANE-POLYACRYLATE HYBRID SYSTEMS FOR PACKAGING INKS AND COATINGS
    • 聚氨酯 - 聚丙烯酸酯混合体系用于包装油墨和涂料
    • WO2017176671A1
    • 2017-10-12
    • PCT/US2017/025841
    • 2017-04-04
    • SUN CHEMICAL CORPORATION
    • KLEIN, DavidJUREK, Michael, J.PARRIS, Juanita
    • C09D175/00C08F283/00C08G71/00C08G18/63C09D175/14
    • Described herein are compositions suitable for use as binder components for inclusion in printing inks and coatings, such as those used in the gravure and flexographic printing process and which are printed on substrates such as polyolefin (e.g., polyethylene, polypropylene) and poly(ethylene terephthalate) (PET). The compositions are non-aqueous dispersions in which an one or more ethylenically unsaturated acrylates or (meth)acrylates is polymerized with a polyurethane, polyurethane-urea or polyurea in a non-aqueous polymerization medium, such as esters, ketones, and mixtures thereof, forming polymeric hybrid resins in the polymerization medium, which are solvent-dispersible hybrid resins of polyurethane-polyacrylate, polyurethane- urea-polyacrylate, and polyurea-polyacrylate. Films of hybrid resins are also disclosed. These materials exhibit improved film adhesion and are suitable for flexographic and gravure printing inks, especially for printing applications where adhesive lamination bond strengths are required, especially plastic films packaging applications.
    • 本文描述了适合用作粘合剂组分的组合物,所述粘合剂组分包含在印刷油墨和涂料中,例如在凹版印刷和柔性版印刷工艺中使用的并且印刷在基材如聚烯烃(例如聚乙烯 ,聚丙烯)和聚(对苯二甲酸乙二醇酯)(PET)。 该组合物是非水分散体,其中一种或多种烯键式不饱和丙烯酸酯或(甲基)丙烯酸酯与聚氨酯,聚氨酯 - 脲或聚脲在非水性聚合介质如酯,酮及其混合物中聚合, 在聚合介质中形成聚合物杂化树脂,所述聚合介质是聚氨酯 - 聚丙烯酸酯,聚氨酯 - 脲 - 聚丙烯酸酯和聚脲 - 聚丙烯酸酯的溶剂分散型杂化树脂。 也公开了混合树脂薄膜。 这些材料表现出改善的薄膜粘附性,适用于柔性版和凹版印刷油墨,特别是对于需要粘合剂层压粘合强度的印刷应用,尤其是塑料薄膜包装应用。
    • 5. 发明申请
    • A METHOD FOR ODOR REDUCTION IN NON-AQUEOUS DISPERSIONS
    • 在非水性分散体中减少气味的方法
    • WO2011014826A1
    • 2011-02-03
    • PCT/US2010/043999
    • 2010-07-30
    • SUN CHEMICAL CORPORATIONKRISHNAN, RamasamySCHNEIDER, MarkKLEIN, David
    • KRISHNAN, RamasamySCHNEIDER, MarkKLEIN, David
    • C08F20/02
    • C08F6/006C08F6/22C08F6/24C08K3/22C08K5/17C09D7/60Y10S524/923
    • The use of non aqueous dispersions NADs has enabled the development of fast setting sheet fed inks, for example. However either due to residual monomers or fractions of initiators, these NAD's have an objectionable odor. A chemical means of dramatically reducing the odor of the NAD's is thus presented. In exemplary embodiments of the present invention, such a chemical treatment can include an amine/alkali mixture in a coupling solvent. In exemplary embodiments of the present invention, the coupling solvent can be one or more of an alcohol, glycol or glycol ether, such as, for example, isopropyl alcohol. In exemplary embodiments of the present invention the amine can be an alkyl amine, such as, for example, diethyl amine, or various other amines, whether alone or in combination. In exemplary embodiments of the present invention, the alkali can be one or more of sodium hydroxide, potassium hydroxide and ammonium hydroxide, whether alone or in any combination thereof.
    • 例如,非水分散体NAD的使用使得能够开发快速成型片材进料油墨。 然而,由于残留的单体或引发剂的分数,这些NAD具有令人不快的气味。 因此提出了显着降低NAD的气味的化学方法。 在本发明的示例性实施方案中,这种化学处理可包括偶联溶剂中的胺/碱混合物。 在本发明的示例性实施方案中,偶联溶剂可以是醇,二醇或二醇醚中的一种或多种,​​例如异丙醇。 在本发明的示例性实施方案中,胺可以是烷基胺,例如二乙胺或各种其它胺,无论是单独还是组合。 在本发明的示例性实施方案中,碱可以是氢氧化钠,氢氧化钾和氢氧化铵中的一种或多种,​​无论是单独还是以其任何组合。