51.
    发明专利
    未知

    公开(公告)号:ES2194459T3

    公开(公告)日:2003-11-16

    申请号:ES99920845

    申请日:1999-05-04

    Applicant: BASF AG

    Abstract: The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 mum which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) from 1 to 99% by weight of a polymeric material (II) which comprises: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, as part of the chain, at the end(s) of the chain and/or laterally on the chain, reactive groups (RG) which are capable of crosslinking reactions under the action of heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free of reactive groups RG.

    52.
    发明专利
    未知

    公开(公告)号:DE59904379D1

    公开(公告)日:2003-04-03

    申请号:DE59904379

    申请日:1999-05-04

    Applicant: BASF AG

    Abstract: The compositions comprise: (a) from 1 to 99% by weight of a pigment (I) having a primary particle size of from 5 nm to 100 mum which is a solid Ia or a compound Ib which acts as cathode material in electrochemical cells or a compound Ic which acts as anode material in electrochemical cells or a mixture of the solid Ia with the compound Ib or the compound Ic, (b) from 1 to 99% by weight of a polymeric material (II) which comprises: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, as part of the chain, at the end(s) of the chain and/or laterally on the chain, reactive groups (RG) which are capable of crosslinking reactions under the action of heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free of reactive groups RG.

    53.
    发明专利
    未知

    公开(公告)号:DE59902883D1

    公开(公告)日:2002-10-31

    申请号:DE59902883

    申请日:1999-11-02

    Applicant: BASF AG

    Abstract: A composite comprises at least one layer which includes a composite comprising (a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 mum or a mixture made from at least two solids, (b) from 99 to 1% by weight of a polymeric binder (II) which includes: (IIa) from 1 to 100% by weight of a polymer or copolymer (IIa) which has, along the chain, terminally and/or laterally, reactive groups (RG) which are capable of crosslinking reactions when exposed to heat and/or UV radiation, and (IIb) from 0 to 99% by weight of at least one polymer or copolymer (IIb) which is free from reactive groups RG, where the at least one layer has been applied to at least one second layer comprising at least one conventional separator.

    54.
    发明专利
    未知

    公开(公告)号:DE59805317D1

    公开(公告)日:2002-10-02

    申请号:DE59805317

    申请日:1998-03-25

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing shaped bodies, preferably for a film-like shaped body, comprising the following steps: I) compounding and melt extrusion of a mixture (I) comprising a mixture (II) containing a) 1 to 95 wt. % of at least a pigment (III) with a primary particle size ranging from 5 nm to 20mm, selected from the group consisting of one electrochemically inert solid (IIIa), of a compound (IIIb) capable of giving off lithium ions when charged, and a compound (IIIc), capable of receiving lithium ions when charged, and a mixture of solid (IIIa) with compounds (IIIb) or compound (IIIc), b) 5 to 99 wt. % of at least one polymer binding agent (IV), and c) 0 to 200 wt. % of at least one softening agent (V) in relation to the overall amount of constituents a) and b), wherein the weight percentage of mixture (II) in mixture (I) ranges from 1 to 100 wt. %, and excluding mixtures (I) comprising mixtures (II) containing a copolymer consisting of vinylidene fluoride (Vdf) and hexafluoropropylene (HFP) with a HFP content ranging from 8 to 25 wt. % as a polymer binding agent (IV) and a compound as a softening agent (V) which is selected from the group consisting of dibutyl phthalate, dimethyl phthalate, diethyl phthalate, tris(butoxy)ethyl phosphate, propylene carbonate, ethylene carbonate, trimethyl trimellitate and mixtures thereof.

    Composite bodies used as separators in electrochemical cells

    公开(公告)号:AU4398900A

    公开(公告)日:2000-11-14

    申请号:AU4398900

    申请日:2000-04-07

    Applicant: BASF AG

    Abstract: A composite comprises at least one first layer which includes a composite comprising(a) from 1 to 99% by weight of a solid (I) with a primary particle size of from 5 nm to 100 mum or a mixture made from at least two solids,(b) from 99 to 1% by weight of a polymeric binder (II) obtainable by polymerizingb1) from 5 to 100% by weight, based on the binder (II), of a condensation product III made fromat least one compound IV which is capable of reacting with a carboxylic acid or with a sulfonic acid or with a derivative or with a mixture of two or more of these, andat least one mol per mole of compound IV of a carboxylic or sulfonic acid V which has at least one functional group capable of free-radical polymerization, or of a derivative of these or of a mixture of two or more of theseandb2) from 0 to 95% by weight, based on the binder (II), of another compound VII with an average molecular weight (number average) of at least 5000 having polyether segments in a main or side chain,where the at least one layer has been applied to at least one second layer comprising at least one conventional separator.

    COMPOSITE BODIES USED AS SEPARATORS IN ELECTROCHEMICAL CELLS

    公开(公告)号:CA2369483A1

    公开(公告)日:2000-10-19

    申请号:CA2369483

    申请日:2000-04-07

    Applicant: BASF AG

    Abstract: The invention relates to composite bodies having at least one first layer, containing a composition comprising (a) 1 to 99 percent by weight of a solid (I) with a primary particle size ranging from 5 nm to 100 .mu.m or a mixture consisting of at least two solids; (b) 99 to 1 percent by weight of a polymeric binder (II) obtained by polymerization of b1) 5 to 100 percent by weight, in relation to the binder (II), of a condensation product (III) consisting of (.alpha.) at least one compound (IV) capable of reacting with a carboxylic acid or a sulphonic acid or a derivative or a mixture of two or more thereof and (.beta.) at least one mole per mole of the compound (IV) consisting of a carboxylic acid or a sulphonic acid (V) having at least one radically polymerizable functional group or a derivative thereof or a mixtur e consisting of two or more thereof and b2) 0 to 95 percent by weight, in relation to the binder (II), of an additional compound (VII) having a mean molecular weight (numerical average) of at least 5000 with polyether segment s in the main or side chain, wherein the at least one layer is applied on at least one second layer comprising at least one conventional separator.

    59.
    发明专利
    未知

    公开(公告)号:DE19916042A1

    公开(公告)日:2000-10-12

    申请号:DE19916042

    申请日:1999-04-09

    Applicant: BASF AG

    Abstract: The invention relates to a method for producing a composite body which comprises: A) at least one substrate film A, and, applied thereon, B) at least one separator layer B that contains 1 to 95 wt.- % of a solid substance and that is devoid of an electron-conductive, electrochemically active compound, and C) at least one cathode layer C or D) at least one anode layer D, or at least one cathode layer C and at least one anode layer D. The inventive method is characterized in that the at least one separator layer B and the at least one cathode layer C or the at least one anode layer D or the at least one cathode layer C and the at least one anode layer D are brought in contact with one another by a wet-on-wet coating method.

    60.
    发明专利
    未知

    公开(公告)号:DE19850826A1

    公开(公告)日:2000-05-11

    申请号:DE19850826

    申请日:1998-11-04

    Applicant: BASF AG

    Abstract: The present invention relates to composite bodies that include at least one layer having the following composition: (a) between 1 and 99 wt % of a solid (I) having a primary particle size of 5 nm to 100 mu m or a mixture of at least two solids; (b) between 99 and 1 wt % of a polymer binder (II). This polymer binder comprises: between 1 and 100 wt % of a polymer (IIa) or a copolymer (IIa) having reactive groups (RG) located on the chain, at the ends and/or on the sides and capable of cross-linking reactions thermally and/or under the action of UV; and between 0 and 99 % of at least one polymer or copolymer (IIb) free from reactive groups. The at least one layer is applied on at least a second layer comprising at least one traditional separator.

Patent Agency Ranking