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    • 6. 发明授权
    • Method for synthesizing homopolymer N-vinyl butyrolactam with super-low molecular weight and super-low residual monomer
    • 用超低分子量和超低残留单体合成均聚物N-乙烯基丁内酰胺的方法
    • US09453087B2
    • 2016-09-27
    • US14401743
    • 2012-07-23
    • Yu WangWei LiuZhan Chen
    • Yu WangWei LiuZhan Chen
    • C08F24/00C08F126/06C08F4/38C08F6/00
    • C08F24/00C08F4/38C08F6/003C08F126/06C08L39/04
    • A synthesis method of ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content is provided N-vinyl butyrolactam monomers and water are provided with the mass ratio of 3:17˜8:12 0.5%˜5.0% by weight of initiators, 0.1%˜5.0% by weight of a catalyst, and 0.1%˜10% by weight of a molecular weight regulator are provided in the presence of an inert gas, adding the above mentioned raw materials in batches, adjusting the pH of the reaction system to 7.0-8.0 with an activator, reacting at the polymerization temperature of 60-85° C. A peroxide is added and maintaining the temperature for 2 hours, to obtain an aqueous solution of ultra low molecular weight homopolymerized N-vinyl butyrolactam. The aqueous solution is dried to obtain a powdery ultra low molecular weight homopolymerized N-vinyl butyrolactam with ultra low residual monomer content.
    • 提供了具有超低残留单体含量的超低分子量均聚的N-乙烯基丁内酰胺的合成方法,提供了N-乙烯基丁内酰胺单体和水,其质量比为3:17〜8:12 0.5%〜5.0% 引发剂,0.1重量%〜5.0重量%的催化剂和0.1重量%〜10重量%的分子量调节剂,在惰性气体存在下,分批加入上述原料,调节pH值 反应体系为7.0-8.0,用活化剂,在聚合温度为60-85℃下反应。加入过氧化物并保持温度2小时,得到超低分子量均聚N-乙烯基丁内酰胺水溶液。 将水溶液干燥,得到具有超低残留单体含量的粉末状超低分子量均聚N-乙烯基丁内酰胺。
    • 7. 发明授权
    • Anisotropic conductive film
    • 各向异性导电膜
    • US08067514B2
    • 2011-11-29
    • US12227164
    • 2008-01-17
    • Kouichi MiyauchiYasushi AkutsuYasunobu Yamada
    • Kouichi MiyauchiYasushi AkutsuYasunobu Yamada
    • C08F4/38C08G63/91B32B37/06B32B37/12C08K3/10
    • C09J4/00C08J5/18C08J2367/00C08J2371/12C08J2375/04H01R4/04H05K3/323
    • An anisotropic conductive film is provided which can provide high bonding strength and good conduction reliability when anisotropic conductive bonding is made under the compression bonding conditions of a compression bonding temperature of at most 130° C. for a compression bonding time of at most 3 seconds. The anisotropic conductive film contains a polymerizable acrylic compound, a film-forming rein, conductive particles, and a polymerization initiator. The polymerization initiator contains two types of organic peroxides that do not produce oxygen gas resulting from the decomposition thereof and have different one-minute half-life temperatures. Of the two types of organic peroxides, one organic peroxide that has a higher one-minute half-life temperature produces benzoic acid or a derivative thereof when it decomposes.
    • 提供了各向异性导电膜,其在压缩粘合温度为至多130℃的压接条件下进行各向异性导电接合时,可以提供高的接合强度和良好的传导可靠性,在压接时间为3秒以下。 各向异性导电膜含有可聚合的丙烯酸类化合物,成膜树脂,导电颗粒和聚合引发剂。 聚合引发剂含有两种不产生由其分解产生的氧气并具有不同的一分钟半衰期温度的有机过氧化物。 在两种类型的有机过氧化物中,一分钟半衰期较高的一种有机过氧化物在分解时产生苯甲酸或其衍生物。