公开(公告)号：EP2830418A2

公开(公告)日：2015-02-04

申请号：EP13710872.6

申请日：2013-03-21

申请人： Bayer Innovation GmbH ,  Imaflex Inc.

发明人： DUJARDIN, Ralf ,  NORWIG, Jochen ,  EL CHEIKH ALI, Fadi ,  PHELPS, Gerry

IPC分类号： A01N25/10 ,  A01N25/34 ,  A01G13/02 ,  B29D7/01 ,  B32B27/08 ,  B65D81/28 ,  A23B4/10 ,  A23B7/16 ,  A01N43/40 ,  A01N43/50 ,  A01N47/36 ,  A01P13/00

CPC分类号： A01N25/34 ,  A01G9/1438 ,  A01G13/0275 ,  A01N25/10 ,  A01N43/40 ,  A01N43/50 ,  A01N47/36 ,  A23B4/10 ,  A23B7/16 ,  A23L3/34635 ,  A23L3/3598 ,  A23V2002/00 ,  B29B9/06 ,  B29B9/065 ,  B29B9/12 ,  B29C47/0021 ,  B29C47/0026 ,  B29C47/92 ,  B29C2947/92704 ,  B29D7/01 ,  B29K2023/0625 ,  B29K2023/0633 ,  B29K2029/04 ,  B29K2077/00 ,  B29K2105/0011 ,  B29K2995/0062 ,  B29L2009/00 ,  B32B27/18 ,  B32B27/32 ,  B32B2410/00 ,  Y02A40/252 ,  A01N2300/00

摘要： The present disclosure relates to a multilayer film capable of releasing an active ingredient, for example a pesticide. The film has a bottom or internal layer composed in part of a water-soluble polymer fraction containing the active ingredient, and a top or external layer. The bottom or internal layer may have a water-insoluble fraction in addition to the water-soluble polymer fraction. Relative proportions of the water-soluble polymer fraction and of the water-insoluble fraction provide a pre-determined time of release of the active ingredient when the multilayer film is exposed to humidity and/or moist conditions. The present disclosure also relates to methods of making the multilayer film and to uses of the film.