公开(公告)号：EP2719636A4

公开(公告)日：2015-04-22

申请号：EP12796948

申请日：2012-05-29

申请人： DENKI KAGAKU KOGYO KK

发明人： SASAKI AKIRA ,  TOKUNAGA HISATSUGU ,  FUJIMURA TETSUO

IPC分类号： B65D73/02 ,  B32B7/06 ,  B32B27/00 ,  B32B27/08 ,  B32B27/20 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B65D65/40 ,  B65D85/86

CPC分类号： B65D43/02 ,  B32B7/06 ,  B32B27/08 ,  B32B27/20 ,  B32B27/302 ,  B32B27/327 ,  B32B27/34 ,  B32B2250/24 ,  B32B2264/102 ,  B32B2307/202 ,  B32B2307/31 ,  B32B2307/518 ,  B32B2307/5825 ,  B32B2307/748 ,  B32B2435/00 ,  B32B2435/02 ,  B32B2439/40 ,  B32B2553/00 ,  H05K13/0084 ,  Y10T428/1405 ,  Y10T428/1452 ,  Y10T428/2826

公开(公告)号：EP2700593A4

公开(公告)日：2014-10-01

申请号：EP11864064

申请日：2011-04-18

申请人： DENKI KAGAKU KOGYO KK

发明人： SASAKI AKIRA ,  TOKUNAGA HISATSUGU ,  FUJIMURA TETSUO

IPC分类号： B65D85/86 ,  B32B27/30

CPC分类号： H05K5/03 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/20 ,  B32B27/205 ,  B32B27/302 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2264/102 ,  B32B2264/104 ,  B32B2307/202 ,  B32B2307/31 ,  B32B2307/518 ,  B32B2307/748 ,  B32B2457/00 ,  B65D75/325 ,  B65D75/42 ,  B65D2585/86 ,  C08K3/04 ,  C08K3/041 ,  C09J7/29 ,  C09J2201/602 ,  C09J2201/61 ,  C09J2205/102 ,  C09J2205/106 ,  C09J2205/114 ,  C09J2425/00 ,  C09J2433/00 ,  Y10T428/1405 ,  Y10T428/1462 ,  C08L53/025

摘要： Disclosed is a cover film, which comprises at least a base layer (A), an intermediate layer (B), a releasing layer (C) and a heat seal layer (D) that can be heat-sealed to a carrier tape, and wherein the heat seal layer (D) contains, as a main component, a styrene-acrylic copolymer that has a mass average molecular weight of 5000 to 20000. This cover film is suppressed in variation in release strength when separated from the carrier tape, and is capable of reducing problems in the mounting process of electronic components such as rupture of the cover film during the separation.

公开(公告)号：EP2695735A4

公开(公告)日：2015-05-06

申请号：EP12768281

申请日：2012-03-27

申请人： DENKI KAGAKU KOGYO KK

发明人： FUJIMURA TETSUO ,  TOKUNAGA HISATSUGU ,  TANAZAWA YUSUKE ,  ONO TAKESHI ,  WATANABE TOMOHARU ,  SASAKI AKIRA ,  IWASAKI TAKAYUKI ,  SUGIMOTO KAZUYA

IPC分类号： B32B25/16 ,  B32B27/08 ,  B32B27/18 ,  B32B27/20 ,  B32B27/30 ,  B32B27/32 ,  B32B27/34 ,  B32B27/36 ,  B65D43/02 ,  B65D65/40 ,  B65D73/02 ,  B65D85/86

CPC分类号： B65D43/02 ,  B32B27/08 ,  B32B27/18 ,  B32B27/20 ,  B32B27/302 ,  B32B27/308 ,  B32B27/32 ,  B32B27/327 ,  B32B27/34 ,  B32B27/36 ,  B32B2250/04 ,  B32B2250/24 ,  B32B2270/00 ,  B32B2274/00 ,  B32B2307/20 ,  B32B2307/202 ,  B32B2307/308 ,  B32B2439/00 ,  Y10T428/256 ,  Y10T428/265 ,  Y10T428/2826

摘要： A cover film including, at least, (A) a substrate layer, (B) an intermediate layer, (C) a release layer and (D) a heat seal layer is provided. The release layer (C) comprises a resin composition which comprises (a) a styrene-based resin composition and (b) an ethylene-±-olefin random copolymer, with the content of the copolymer (b) in the release layer being 20 to 50 mass%, and which has a Vicat softening temperature of 55 to 80 °C, while the heat seal layer (D) comprises an acrylic resin having a glass transition temperature of 55 to 80 °C. By the cover film, a carrier tape of polystyrene or the like can be so heat-sealed even in a short time as to achieve sufficient peel strength. Further, the resulting heat-sealed carrier tape exhibits little variation in peel strength, so that when peeling, few components fly out of the carrier tape.

公开(公告)号：EP1477516A4

公开(公告)日：2005-09-14

申请号：EP03705281

申请日：2003-02-18

申请人： DENKI KAGAKU KOGYO KK

发明人： TOKUNAGA HISATSUGU ,  TAKEI ATSUSHI ,  SHIMIZU MIKIO ,  NABETA TAKESHI

IPC分类号： B29C70/88 ,  B29C71/00 ,  B32B7/02 ,  B32B27/00 ,  B32B27/18 ,  B65D73/02 ,  C08J7/04 ,  H01B5/14 ,  H01L23/60

CPC分类号： B29C71/0081 ,  B29C70/882 ,  B29K2995/0005 ,  Y10T156/10 ,  Y10T156/1089 ,  Y10T156/1092 ,  Y10T428/24802 ,  Y10T428/24942 ,  Y10T428/2495 ,  Y10T428/24959 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/24983 ,  Y10T428/24992

摘要： A novel static electricity preventing method and a member using the method. The static electricity preventing method is characterized by providing resin compositions of different ranks of series of frictional electrification are provided on the surface, and the member has resin compositions of different ranks of series of frictional electrification on its surface. The member can be a sheet, film, or molded article using a resin. The resin compositions can be pressure-sensitive adhesives, adhesives, printing inks, and paints.

摘要翻译： 本发明提供了一种新的防静电方法及其应用元件。 本发明的特征安装在表面上具有不同的摩擦电序列顺序的多个树脂基复合材料和功能部件为具有与所述表面上的不同带电序列顺序的多个树脂基复合材料的抗静态方法。 成员是根据树脂片，树脂基膜或树脂成型材料。 基于树脂复合材料是粘合剂，粘接剂，印刷油墨或涂料。