A connecting composition and a scaling coating for wire or cable insulation is disclosed. The connecting composition comprising a PVDF copolymer and a solvent. The solvent comprises cyclic ketone, wherein the weight percent of PVDF copolymer is from 20 to 40 wt. %, preferably 20 to 35 wt. % based on the total weight of PVDF copolymer and solvent. The PVDF copolymer comprises one or more comonomers and at least 75 wt. % vinylidene fluoride units, preferable at least 80% vinylidene fluoride units and has a melt viscosity of 2 to 12, preferably 4 and 10 kPoise at 230? C. and 100 s?1.

A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV:

##STR00001## where each of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is independently selected from the group consisting of hydrogen, and C.sub.1-8 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, each of R.sub.5, R.sub.6, and R.sub.7 is independently selected from the group consisting of hydrogen, and C.sub.1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, R.sub.8 is selected from C.sub.1-15 alkyl groups substituted or not substituted by a substituting group, each of R.sub.9, R.sub.10, and R.sub.11 is independently selected from the group consisting of hydrogen, and C.sub.1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group.

A bonding agent includes: structural units represented by Formula I, Formula II, Formula III, and Formula IV:

##STR00001## where each of R.sub.1, R.sub.2, R.sub.3, and R.sub.4 is independently selected from the group consisting of hydrogen, and C.sub.1-8 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, each of R.sub.5, R.sub.6, and R.sub.7 is independently selected from the group consisting of hydrogen, and C.sub.1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group, R.sub.8 is selected from C.sub.1-15 alkyl groups substituted or not substituted by a substituting group, each of R.sub.9, R.sub.10, and R.sub.11 is independently selected from the group consisting of hydrogen, and C.sub.1-6 straight-chain or branched alkyl groups substituted or not substituted by a substituting group.

A coating slurry for a battery separator includes an organic polymer, a solvent, and a photoinitiator. A coated separator prepared with the coating slurry, and a preparation method of the coated separator are also provided. The preparation method of the coated separator includes: coating the coating slurry on at least one surface of a substrate, and irradiating a coated substrate under ultraviolet (UV) light with a set energy and wavelength to allow UV crosslinking to obtain the coated separator.

A coating slurry for a battery separator includes an organic polymer, a solvent, and a photoinitiator. A coated separator prepared with the coating slurry, and a preparation method of the coated separator are also provided. The preparation method of the coated separator includes: coating the coating slurry on at least one surface of a substrate, and irradiating a coated substrate under ultraviolet (UV) light with a set energy and wavelength to allow UV crosslinking to obtain the coated separator.

Problems to be solved by this invention This invention proposes a conductive material and multilayered structure having an excellent conductivity, an excellent durable conductivity and also strength.

Further, this invention proposes a multilayered structure having an excellent conductivity, an excellent durable conductivity and also strength comprising laminating the conductive material to one side surface or both surfaces of the non-conductive material layer.

The above purpose is accomplished by providing a conductive material comprising a polymer electrolyte composition (X.sup.1) obtained by graft polymerizing 2 to 90 mol. % of a molten salt monomer having a polymerizable functional group and having an onium cation and anion containing a fluorine with a fluorine containing polymer and a fluoropolymer (X.sup.2) wherein X.sup.1 contains 0.1 to 95A wt. % to X.sup.2.

Problems to be solved by this invention This invention proposes a conductive material and multilayered structure having an excellent conductivity, an excellent durable conductivity and also strength.

Further, this invention proposes a multilayered structure having an excellent conductivity, an excellent durable conductivity and also strength comprising laminating the conductive material to one side surface or both surfaces of the non-conductive material layer.

The above purpose is accomplished by providing a conductive material comprising a polymer electrolyte composition (X.sup.1) obtained by graft polymerizing 2 to 90 mol. % of a molten salt monomer having a polymerizable functional group and having an onium cation and anion containing a fluorine with a fluorine containing polymer and a fluoropolymer (X.sup.2) wherein X.sup.1 contains 0.1 to 95A wt. % to X.sup.2.

An object of the present application is to provide a binder for a non-aqueous electrolyte secondary battery having high adhesiveness to an active material and/or a current collector and also having high flexibility capable of withstanding bending in an electrode having a highly densified mixture layer. A binder for a non-aqueous electrolyte secondary battery, which achieves the object, contains: a vinylidene fluoride polymer having a vinylidene fluoride-derived structural unit as a main constituent component; and an additive having a specific structure, and a mass ratio of the vinylidene fluoride polymer to the additive is from 99/1 to 60/40:

Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and a filler, in which the porous substrate contains a fluorine atom, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.

Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and a filler, in which the porous substrate contains a fluorine atom, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.