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    • 2. 发明授权
    • Catalyst for living radical polymerization and polymerization method
    • 催化剂用于活性自由基聚合和聚合方法
    • US09546226B2
    • 2017-01-17
    • US13388811
    • 2010-05-10
    • Atsushi GotoYoshinobu TsujiiTakeshi Fukuda
    • Atsushi GotoYoshinobu TsujiiTakeshi Fukuda
    • C08F20/14C08F4/40C08F293/00C08F12/08C08F120/14
    • C08F4/40C08F12/08C08F120/14C08F293/005C08F2438/00
    • Provided is a low-cost, highly active, environmentally friendly living radical polymerization catalyst which does not require a radical initiator. An organic compound having an oxidation-reduction capability is used as a catalyst. Even if a radical initiator is not used, a monomer can be subjected to a radical polymerization to obtain a polymer having narrow molecular weight distribution. The cost of the living radical polymerization can be remarkably reduced. It is made possible to prevent adverse effects of using a radical initiator. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages of the catalyst such as low toxicity of the catalyst, low amount of the catalyst necessary, high solubility of the catalyst, mild reaction conditions, and no coloration/no odor (which do not require a post-treatment for a molded article), etc.
    • 提供了不需要自由基引发剂的低成本,高活性,环保的活性自由基聚合催化剂。 使用具有氧化还原能力的有机化合物作为催化剂。 即使不使用自由基引发剂,也可以对单体进行自由基聚合,得到分子量分布窄的聚合物。 活性自由基聚合的成本可以显着降低。 可以防止使用自由基引发剂的不利影响。 由于催化剂的优点,催化剂的低毒性,必需的催化剂量低,催化剂的溶解度高,反应条件温和,反应条件好,因此本发明的环保性和经济性优于常规的活性自由基聚合方法。 无着色/无异味(不需要后处理成型品)等
    • 6. 发明授权
    • Catalyst for living radical polymerization
    • 活性自由基聚合催化剂
    • US08575285B2
    • 2013-11-05
    • US13062688
    • 2009-09-08
    • Atsushi GotoYoshinobu TsujiiTakeshi Fukuda
    • Atsushi GotoYoshinobu TsujiiTakeshi Fukuda
    • C08F4/00C08F12/02C07C19/16C07C255/50C07C19/07C07C25/02C07C43/247B01J31/00B01J27/06B01J27/135
    • C08F4/00C08F293/005C08F2438/00
    • Provided is a catalyst used for a living radical polymerization method, which contains a central element consisting of carbon and at least one halogen atom binding to the central element. Further, a hydrocarbon compound can be used as a catalyst precursor. A monomer having a radical-reactive unsaturated bond is subjected to a radical polymerization reaction in the presence of the catalyst, consequently a polymer having narrow molecular weight distribution can be obtained, and thus the cost of the living radical polymerization can be remarkably reduced. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages such as low toxicity of the catalyst, low amount of the catalyst used, high solubility of the catalyst, mild reaction conditions, and no coloration/no odor (no need of any post-treatments for a molded article), and the like.
    • 提供了用于活性自由基聚合法的催化剂,其包含由碳和与中心元素结合的至少一个卤素原子组成的中心元素。 此外,可以使用烃化合物作为催化剂前体。 具有自由基反应性不饱和键的单体在催化剂的存在下进行自由基聚合反应,因此可以获得具有窄分子量分布的聚合物,从而可显着降低活性自由基聚合的成本。 本发明由于催化剂的毒性低,催化剂用量少,催化剂溶解性高,反应条件温和,无着色/无色性等优点,比现有的活性自由基聚合法更具环保性和经济性, 无异味(不需要对成形品进行后处理)等。
    • 8. 发明授权
    • Process for manufacturing polishing pad
    • 制造抛光垫的工艺
    • US08409308B2
    • 2013-04-02
    • US12601725
    • 2008-05-15
    • Akinori SatoJunji HiroseKenji NakamuraTakeshi FukudaMasato Doura
    • Akinori SatoJunji HiroseKenji NakamuraTakeshi FukudaMasato Doura
    • B24B1/00B24D11/00
    • B24D18/00B24B37/205Y10T428/24322Y10T428/24331Y10T428/24364
    • A method for manufacturing a polishing pad that has a high level of optical detection accuracy and is prevented from causing slurry leak from between the polishing region and the light-transmitting region includes preparing a cell-dispersed urethane composition by a mechanical foaming method; placing a light-transmitting region at a predetermined position on a face material or a belt conveyor, continuously discharging the cell-dispersed urethane composition onto a part of the face material or the belt conveyor where the light-transmitting region is not placed; placing another face material or belt conveyor on the discharged cell-dispersed urethane composition; curing the cell-dispersed urethane composition to form a polishing region including a polyurethane foam, so that a polishing sheet is prepared; applying a coating composition containing an aliphatic and/or alicyclic polyisocyanate to one side of the polishing sheet and curing the coating composition to form a water-impermeable film; and cutting the polishing sheet.
    • 一种制造具有高水平的光学检测精度并且防止从抛光区域和透光区域之间的浆料泄漏的抛光垫的方法包括通过机械发泡法制备细胞分散的聚氨酯组合物; 在面材料或带式输送机上的预定位置放置透光区域,将细胞分散的聚氨酯组合物连续排出到未放置透光区域的面材或带式输送机的一部分上; 将另一种面材或带式输送机放置在排出的细胞分散的聚氨酯组合物上; 固化细胞分散的聚氨酯组合物以形成包括聚氨酯泡沫的抛光区域,从而制备抛光片; 将包含脂族和/或脂环族多异氰酸酯的涂料组合物施用到抛光片的一侧并固化涂料组合物以形成不透水膜; 并切割抛光片。