Daikin Industries, Ltd.

Kazuya Asano

Takahiro Kitahara

Manabu Fujisawa

Yosuke Kishikawa

Akiyoshi Yamauchi

Sumi Ishihara

Masahiro Higashi

Satoru Yoneda

Hirokazu Aoyama

Yuuji Tanaka

Taku Yamanaka

Taketo Kato

Hirotoshi Yoshida

Yoshinori Nanba

Masamichi Sukegawa

Kenji Ichikawa

Hiroyuki Sato

Kengo Ito

Yohei Fujimoto

Chiaki Okui

Marina Nakano

Shinnosuke Nitta

Takashi Iguchi

Chihiro Shinoda

Kazuki Hosoda

Shigehito Sagisaka

Kenji Gobou

Hideto Nakagawa

Hidenori Ozaki

Ryouichi Yano

Tomoyuki Goto

Kanako Arai

A surfactant for polymerization including at least one selected from a surfactant represented by R—CO—R—CO—R—OSOXand a surfactant represented by R—CO—(CR)—(OR)—(CR)-L-OSOX, wherein R, R, R, X, R, R, R, R, L and Xare as defined herein. Also disclosed is a composition containing a fluoropolymer and the at least one surfactant, a composition containing a fluoropolymer and a compound represented by (H—(CF)—SO)M, where Mis as defined herein, and a molded article made from the composition containing a fluoropolymer and the compound represented by (H—(CF)—SO)M.

Production method for fluoropolymer, surfactant for polymerization, and use of surfactant

A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF)—SO)M, wherein Mis H, a metal atom, NR, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; Rs are each H or an organic group and are the same as or different from each other; and q is 1 or 2.

A binder for a secondary battery containing a fluorine-containing polymer (A) and polyvinylidene fluoride (B). The fluorine-containing polymer (A) contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2): wherein R, R, and Rare each independently a hydrogen atom or a C1-C8 hydrocarbon group; Ris a C1-C8 hydrocarbon group; and Yis an inorganic cation or an organic cation. Also disclosed is an electrode mixture and an electrode for a secondary battery including the binder, and a secondary battery including the electrode.

Binder for secondary battery, electrode mixture for secondary battery, electrode for secondary battery and secondary battery

A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula:R&#x2014;C(&#x2550;O)&#x2014;R&#x2014;C(&#x2550;O)&#x2014;R&#x2014;OSOXwherein R, Rand Rare defined herein; X is H, a metal atom, NR, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent, where Rs are each H or an organic group and are the same as or different from each other; and any two of R, R, and Roptionally bind to each other to form a ring. Also disclosed is a surfactant containing the sulfuric acid ester and an aqueous dispersant containing the sulfuric acid ester.

Sulfuric acid ester or salt thereof, and surfactant

A method for producing a fluoropolymer of the invention which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R&#x2014;CO&#x2014;R&#x2014;CO&#x2014;R-Aand a surfactant represented by R&#x2014;CO&#x2014;(CR)&#x2014;(OR)&#x2014;(CR)-L-A.

A secondary battery separator including a porous substrate and a porous film firmly bonded to each other, the porous film being disposed on or above the porous substrate. The porous film contains a fluorine-containing polymer that contains a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer represented by the following formula (2-2):RRC&#x2550;CRRCOY&#x2003;&#x2003;(2-2)wherein R, R, and Rare each independently a hydrogen atom or a C1-C8 hydrocarbon group; Ris a C1-C8 hydrocarbon group; and Yis an inorganic cation and/or an organic cation. Also disclosed is a secondary battery including the secondary battery separator; a positive electrode; a negative electrode; and a non-aqueous electrolyte solution.

Secondary battery separator including porous film having fluorine-containing polymer of vinylidene fluoride, tetrafluoroethylene, and vinyl carboxylic acid or salt and secondary battery including the same

A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R&#x2014;CO&#x2014;R&#x2014;CO&#x2014;R&#x2014;OSOXand a surfactant represented by R&#x2014;CO&#x2014;(CR)&#x2014;(OR)&#x2014;(CR)-L-OSOX.

A sulfuric acid ester containing a plurality of carbonyl groups or a salt thereof, and a surfactant. The sulfuric acid ester is a compound represented by the following formula:R&#x2014;C(&#x2550;O)&#x2014;R&#x2014;C(&#x2550;O)&#x2014;R&#x2014;OSOX

A binder and an electrode mixture for a secondary battery. The binder contains a fluorine-containing polymer containing a polymerized unit based on vinylidene fluoride, a polymerized unit based on tetrafluoroethylene, and a polymerized unit based on a monomer (2-2) represented by the following formula (2-2):RRC&#x2550;CRRCOY&#x2003;&#x2003;(2-2)wherein R, R, and Rare each independently a hydrogen atom or a C1-C8 hydrocarbon group; Ris a C1-C8 hydrocarbon group; and Yis an inorganic cation and/or an organic cation.

Binder for secondary batteries and electrode mixture for secondary batteries

An object of the present invention is to provide a coating material that can form a coating film that has an excellent adherence for sealants in solar cell modules as well as an excellent resistance to blocking. Further objects are to provide this coating film, a solar cell module backsheet that has this coating film, and a solar cell module that has this coating film. The present invention relates to a coating material that contains a curable functional group-containing fluorinated polymer and a polyisocyanate compound derived from at least one isocyanate selected from the group consisting of xylylene diisocyanate and bis(isocyanatomethyl)cyclohexane.

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Osaka, Japan

Kazuya Asano