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公开(公告)号：EP0815602B1
公开(公告)日：1999-05-06
申请号：EP95941667.8
申请日：1995-12-06
申请人： DARAMIC, INC.
发明人： BÖHNSTEDT, Werner , IHMELS, Klaus, Heinrich , RUHOFF, Jürgen , KREY, Hans-Joachim , FISCHER, Karsten
CPC分类号： B29C73/02 , B29C59/02 , B29C73/30 , B29C2791/008 , B29K2105/04 , B29L2031/3468 , H01M2/14 , H01M2/1653
摘要： The invention concerns a method of repairing manufacturing flaws in porous separator strips for storage batteries, whereby a repair material is applied deliberately to the flaw in-line during separator production such that the flaw is sealed, or whereby the flaw is heated at points in-line and thereby welded. Resins and/or polymers, dispersed in a dispersing agent, polymerizable materials and hot melts are suitable in particular as repair materials. Ultra-sound is preferably used for welding.
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公开(公告)号：EP0815602A1
公开(公告)日：1998-01-07
申请号：EP95941667.0
申请日：1995-12-06
申请人： DARAMIC, INC.
发明人： BÖHNSTEDT, Werner , IHMELS, Klaus, Heinrich , RUHOFF, Jürgen , KREY, Hans-Joachim , FISCHER, Karsten
CPC分类号： B29C73/02 , B29C59/02 , B29C73/30 , B29C2791/008 , B29K2105/04 , B29L2031/3468 , H01M2/14 , H01M2/1653
摘要： The invention concerns a method of repairing manufacturing flaws in porous separator strips for storage batteries, whereby a repair material is applied deliberately to the flaw in-line during separator production such that the flaw is sealed, or whereby the flaw is heated at points in-line and thereby welded. Resins and/or polymers, dispersed in a dispersing agent, polymerizable materials and hot melts are suitable in particular as repair materials. Ultra-sound is preferably used for welding.
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公开(公告)号：EP1090433A1
公开(公告)日：2001-04-11
申请号：EP98938619.8
申请日：1998-06-23
申请人： DARAMIC, INC.
CPC分类号： H01M2/1653 , H01M10/06 , H01M10/342 , H01M2300/0011 , Y02E60/126 , Y10T428/24999
摘要： The invention relates to microporous battery separators on the basis of a substantially homogeneous mixture made of a thermoplastic polymer, an inert filler and possibly a softener. The separators contain more than 20 volume % pyrogenic silicic acid and possibly one or more additional fillers, so that the total filler content is more than 60 but no more than 82 volume %. The above separators are especially suitable for producing sealed storage batteries.
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公开(公告)号：EP1497872A2
公开(公告)日：2005-01-19
申请号：EP03722418.5
申请日：2003-04-08
申请人： DARAMIC, INC.
IPC分类号： H01M2/16
CPC分类号： H01M2/1653 , H01M10/06
摘要： The invention relates to a thermoplastic polymer-based battery separator, which contains a compound of formula R(OR1)n (COOMx+1/x)m. In said formula, R represents a non-aromatic hydrocarbon group comprising between 10 and 4,200 carbon atoms, which can be interrupted by oxygen atoms, R1 represents H, -(CH2)kCOOMx+1/x or - (CH2)k-SO3Mx+1/x, whereby k stands for 1 or 2, M represents an alkali or earth alkaline metal ion, H+ or NH4+, whereby not all variables of M are defined simultaneously as H+, n stands for 0 or 1, m stands for 0 or a whole number from 10 to 1,400 and x stands for 1 or 2. The ratio of oxygen atoms to carbon atoms in the compound according to the aforementioned formula ranges between 1:1.5 and 1:30 and n and m cannot simultaneously represent zero.
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公开(公告)号：EP1090433B1
公开(公告)日：2002-04-03
申请号：EP98938619.8
申请日：1998-06-23
申请人： DARAMIC, INC.
CPC分类号： H01M2/1653 , H01M10/06 , H01M10/342 , H01M2300/0011 , Y02E60/126 , Y10T428/24999
摘要： The invention relates to microporous battery separators on the basis of a substantially homogeneous mixture made of a thermoplastic polymer, an inert filler and possibly a softener. The separators contain more than 20 volume % pyrogenic silicic acid and possibly one or more additional fillers, so that the total filler content is more than 60 but no more than 82 volume %. The above separators are especially suitable for producing sealed storage batteries.
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