Kaneka Corporation

Nissan Motor Company Limited

Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Kaneko Corporation

Masato Kusakabe

Kenichi Kitano

Yoshiki Nakagawa

Toshihiko Okamoto

Katsuyu Wakabayashi

Masayuki Fujita

Yusuke Kato

Yoshio Shimoida

Hiroshi Iwakiri

Shigeo Ibuka

Takashi Kikuchi

Norihisa Waki

Masahiro Kojima

Takashi Ito

Satoshi Oku

Yasuyuki Tanaka

Shiho Inoue

Ryutaro Mukai

Hiroyuki Ogino

Akiko Waki

Yuji Muroya

Masayuki Wakioka

Shigeki Hamaguchi

Katsuhiro Ando

Jun Kotani

Masami Yanagida

Toshinobu Nakata

Hiroshi Ando

Toru Inaya

Yasuhisa Kishimoto

A conductive film includes a layer 1 formed by a conductive material 1 that includes a polymer material 1 containing any of (1) an amine and an epoxy resin (where the epoxy resin and the amine are mixed in a ratio of 1.0 or more in terms of the ratio of the number of active hydrogen atoms in the amine with respect to the number of functional groups in the epoxy resin), (2) a phenoxy resin and an epoxy resin, (3) a saturated hydrocarbon polymer having a hydroxyl group, and (4) a curable resin and an elastomer and conductive particles 1. The conductive film has excellent stability in an equilibrium potential environment in a negative electrode and low electric resistance per unit area in the thickness direction. A multilayer conductive film including the conductive film achieves excellent interlayer adhesion, and using them as a current collector enables the production of a battery satisfying both weight reduction and durability.

Conductive film, current collector using same, battery and bipolar battery

A multilayer conductive film includes a layerincluding a conductive material containing a polymer materialhaving an alicyclic structure and conductive particlesand a layerincluding a material having durability against positive electrode potential. The multilayer conductive film has stability in an equilibrium potential environment in a negative electrode and stability in an equilibrium potential environment in a positive electrode, has low electric resistance per unit area in the thickness direction, and has excellent barrier properties for a solvent of an electrolytic solution. A battery including a current collector employing the multilayer conductive film can achieve both weight reduction and durability.

Multilayer conductive film, current collector using same, battery and bipolar battery

Provision of a curable composition having good curability and adhesiveness by the use of a non-organotin catalyst. A curable composition containing an organic polymer (A) having a silicon-containing group crosslinkable by forming a siloxane bond, metal carboxylate (B), a silane coupling agent (C) free of an amino group, and an amino group-containing compound (D) in an amount corresponding to a weight ratio relative to (B) of 0-0.05, which contains, as the silicon-containing group of component (A), a silicon-containing group, wherein three hydrolyzable groups or hydroxyl groups are bonded to a silicon atom, as an essential component.

Curable composition

There is provided a curable composition having good adhesion by using a non-organotin catalyst. The curable composition comprises (A) an organic polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and is characterized in that a stress at 50% tension is within a range from 0.01 MPa to 0.20 MPa, when determined by adding and mixing 1.5 parts of tin octylate, 0.25 part by weight of laurylamine and 0.6 part by weight of pure water to 100 parts by weight of the component (A), subjecting the mixture to centrifugal defoaming, pouring the mixture carefully into a polyethylene frame not to mix air bubbles thereto, aging the mixture at 23&#xb0; C. for one hour, and further at 70&#xb0; C. for 20 hours, punching the obtained 3 mm thick cured sheet according to JIS K6251 to obtain No. 3 dumbbell, and carrying out a tension test (tensile speed: 200 mm/min) at 23&#xb0; C. at 50% RH.

Curable composition having improved adhesion

There is provided a curable composition having good curability and adhesion by using a non-organotin catalyst. The curable composition comprising (A) an organic polymer having a reactive silicon group as a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and (C) a low molecular weight compound containing a hydrolyzable silicon group and having a molecular weight of 100 to 1,000, characterized in that a ratio (a/b) of the total mole (a) of titanium atoms, aluminum atoms and zirconium atoms of the component (B) to the total mole (b) of silicon atoms of the component (c) is larger than 0.08.

Curable composition having improved curability and adhesion

[Problem] There is provided a curable composition having high thixotropy and satisfactory curability by use of a non-organotin catalyst. [Means to Solve] A curable composition comprising (A) a polyoxyalkylene polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and/or a (meth)acrylate polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) a titanium chelate, and (C) an amide wax type thixotropy-imparting agent.

Curable composition containing a silicon-containing group polymer, a titanium chelate and an amide wax

A curable composition having good curability and adhesion comprising: (A) an reactive silicon group-containing organic polymer, (B) a titanium chelate represented by the general formula (1) or (2) and (C) a high molecular weight plasticizer having a number average molecular weight of 1,000 to 15,000. General formula (1): wherein each of n Rs is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) Rs is independently hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) As and (4-n) As is independently &#x2014;Ror &#x2014;ORwhere Ris a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, n is 1, 2 or 3. General formula (2): wherein R, Aand Aare the same as defined above, Ris a substituted or unsubstituted divalent hydrocarbon group having 1 to 20 carbon atoms.

An alkenyl- or crosslinkable silyl-terminated vinyl polymer is provided. Such a functional group is introduced into its terminus at a high ratio, not via sulfur atoms. Those polymers can be prepared by polymerizing a vinyl monomer for obtaining a halogen-terminated vinyl polymer, and then substituting an oxy anion or carbanion having such a functional group for the terminal halogen of said polymer.

Polymers, processes for producing the same, and curable compositions produced therefrom

A vinyl polymer which has at least one terminal functional group per molecule and has a ratio of weight average molecular weight to number average molecular weight of less than 1.8 as determined by gel permeation chromatography, said terminal functional group being a crosslinking silyl group, an alkenyl group, or a hydroxyl group.

Functional groups-terminated vinyl polymers

The present invention is to provide a curable resin composition comprising (I) a reactive silicon group-containing polyoxyalkylene polymer wherein a introduction rate of a reactive silicon group into molecular chain terminus is not less than 85% as analyzed by H-NMR spectrometry and (II) an epoxy resin. The curable resin obtained from this composition reflects improvements in tensile strength and tensile shear bond strength and in adhesion to various substrates.

Curable resin composition

(Meth)acrylic polymers having alkenyl or curable silyl groups at the chain ends in high functionality ratios are prepared by a process which comprises (i) preparing a (meth)acrylic polymer having halogen atoms at the chain ends, using an organohalogenated compound or a halosulfonyl compound as an initiator and a metal complex catalyst wherein the central metal atom is selected from the group consisting of the elements of Groups 8, 9, 10 and 11 of the periodic table; and (ii) transforming the halogen atom into an alkenyl group- or a curable silyl group-containing substituent. The obtained (meth)acrylic polymers form homogeneous curing materials.

Processes for preparing (meth) acrylic polymers having functional groups at the chain ends

Curable adhesive composition

Processes for preparing (METH) acrylic polymers having functional groups at the chain ends

Growing community of inventors

Kobe, Japan

Masato Kusakabe