Patent classifications
C08K5/42
Epoxy resin composition, prepreg and molded body
An epoxy resin composition including components (A), (B), (C) and (D); wherein a content of the component (A) is 60 to 90 parts by mass, and a content of the component (B) is 10 to 40 parts by mass, with respect to epoxy resins; the epoxy resin composition has a characteristic that, when cured and formed into a cured product, the cured product has a glass transition temperature of 200° C. or higher; and a viscosity at 100° C. of the resin composition is 5 to 35 Pa.Math.s, wherein Component (A) is an aromatic epoxy resin having at least 3 glycidyl groups in one molecule, Component (B) is an aromatic epoxy resin having two glycidyl groups in one molecule, Component (C) is an aromatic polysulfone resin having a reduced viscosity of 0.18 to 0.30 dl/g; and Component (D) is an aromatic amine compound.
Epoxy resin composition, prepreg and molded body
An epoxy resin composition including components (A), (B), (C) and (D); wherein a content of the component (A) is 60 to 90 parts by mass, and a content of the component (B) is 10 to 40 parts by mass, with respect to epoxy resins; the epoxy resin composition has a characteristic that, when cured and formed into a cured product, the cured product has a glass transition temperature of 200° C. or higher; and a viscosity at 100° C. of the resin composition is 5 to 35 Pa.Math.s, wherein Component (A) is an aromatic epoxy resin having at least 3 glycidyl groups in one molecule, Component (B) is an aromatic epoxy resin having two glycidyl groups in one molecule, Component (C) is an aromatic polysulfone resin having a reduced viscosity of 0.18 to 0.30 dl/g; and Component (D) is an aromatic amine compound.
RUBBER LATEX COMPOUND, METHOD FOR MANUFACTURING GLOVE, AND GLOVE
An object of the prevent invention is to provide a rubber latex compound that enables manufacturing a glove which is superior in terms of touch panel responsiveness, and has superior flexibility. The rubber latex compound according to one aspect of the present invention is a rubber latex compound for a glove containing a rubber latex as a principal component, wherein carbon black, an anionic surfactant, a nonionic dispersant, and a water-soluble polymer are contained in the rubber latex compound; a DBP oil absorption of the carbon black is no less than 250 ml/100 g and no greater than 600 ml/100 g, and a volatile content of the carbon black is no less than 0.3% by mass and less than 1.0% by mass; an amount of addition of the water-soluble polymer with respect to 100 parts by mass of the carbon black is no less than 8 parts by mass and no greater than 50 parts by mass; and a total amount of addition of the nonionic dispersant and the water-soluble polymer with respect to 100 parts by mass of the carbon black is no less than 38 parts by mass and no greater than 200 parts by mass.
RUBBER LATEX COMPOUND, METHOD FOR MANUFACTURING GLOVE, AND GLOVE
An object of the prevent invention is to provide a rubber latex compound that enables manufacturing a glove which is superior in terms of touch panel responsiveness, and has superior flexibility. The rubber latex compound according to one aspect of the present invention is a rubber latex compound for a glove containing a rubber latex as a principal component, wherein carbon black, an anionic surfactant, a nonionic dispersant, and a water-soluble polymer are contained in the rubber latex compound; a DBP oil absorption of the carbon black is no less than 250 ml/100 g and no greater than 600 ml/100 g, and a volatile content of the carbon black is no less than 0.3% by mass and less than 1.0% by mass; an amount of addition of the water-soluble polymer with respect to 100 parts by mass of the carbon black is no less than 8 parts by mass and no greater than 50 parts by mass; and a total amount of addition of the nonionic dispersant and the water-soluble polymer with respect to 100 parts by mass of the carbon black is no less than 38 parts by mass and no greater than 200 parts by mass.
THERMALLY-CONDUCTIVE CURABLE COMPOSITION
The present disclosure relates to a curable composition comprising: a) a base component comprising a cationically self-curable silicone-based oligomeric compound; b) a curing system for the cationically self-curable silicone-based oligomeric compound; and c) a thermally-conductive filler. According to another aspect, the present disclosure is directed to method of manufacturing a curable composition. In yet another aspect, the disclosure relates to the use of a thermally-conductive curable composition for industrial applications, in particular for thermal management applications in the automotive industry.
THERMALLY-CONDUCTIVE CURABLE COMPOSITION
The present disclosure relates to a curable composition comprising: a) a base component comprising a cationically self-curable silicone-based oligomeric compound; b) a curing system for the cationically self-curable silicone-based oligomeric compound; and c) a thermally-conductive filler. According to another aspect, the present disclosure is directed to method of manufacturing a curable composition. In yet another aspect, the disclosure relates to the use of a thermally-conductive curable composition for industrial applications, in particular for thermal management applications in the automotive industry.
Adhesive composition, protective film and polarizing plate which comprise adhesive layer comprising same, and image display device comprising same
An adhesive composition is provided. The adhesive composition includes a polyvinyl alcohol-based resin; a melamine-based crosslinking agent; an acid catalyst; and a silane-based additive. The weight ratio of the melamine-based crosslinking agent and the acid catalyst is from 5:1 to 1:1. The acid catalyst also has a sulfonic acid group. A protective film and a polarizing plate including an adhesive layer including the adhesive composition, and an image display device including the polarizing plate is also provided.
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
- Taketo Kato ,
- Satoru Yoneda ,
- Manabu Fujisawa ,
- Kazuya Asano ,
- Takahiro Kitahara ,
- Masahiro Higashi ,
- Akiyoshi Yamauchi ,
- Sumi Ishihara ,
- Yosuke Kishikawa ,
- Shinnosuke Nitta ,
- Marina Nakano ,
- Hirotoshi Yoshida ,
- Yoshinori Nanba ,
- Kengo Ito ,
- Chiaki Okui ,
- Hirokazu Aoyama ,
- Masamichi Sukegawa ,
- Taku YAMANAKA ,
- Yuuji Tanaka ,
- Kenji Ichikawa ,
- Yohei Fujimoto ,
- Hiroyuki Sato
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.sup.1a—CO—R.sup.2a—CO—R.sup.3a-A.sup.a and a surfactant represented by R.sup.1b—CO—(CR.sup.2b.sub.2).sub.n—(OR.sup.3b).sub.p—(CR.sup.4b.sub.2).sub.q-L-A.sup.b.
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
- Taketo Kato ,
- Satoru Yoneda ,
- Manabu Fujisawa ,
- Kazuya Asano ,
- Takahiro Kitahara ,
- Masahiro Higashi ,
- Akiyoshi Yamauchi ,
- Sumi Ishihara ,
- Yosuke Kishikawa ,
- Shinnosuke Nitta ,
- Marina Nakano ,
- Hirotoshi Yoshida ,
- Yoshinori Nanba ,
- Kengo Ito ,
- Chiaki Okui ,
- Hirokazu Aoyama ,
- Masamichi Sukegawa ,
- Taku YAMANAKA ,
- Yuuji Tanaka ,
- Kenji Ichikawa ,
- Yohei Fujimoto ,
- Hiroyuki Sato
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.sup.1a—CO—R.sup.2a—CO—R.sup.3a-A.sup.a and a surfactant represented by R.sup.1b—CO—(CR.sup.2b.sub.2).sub.n—(OR.sup.3b).sub.p—(CR.sup.4b.sub.2).sub.q-L-A.sup.b.
Production method for fluoropolymer, surfactant for polymerization, and use of surfactant
- Taketo Kato ,
- Satoru Yoneda ,
- Manabu Fujisawa ,
- Kazuya Asano ,
- Takahiro Kitahara ,
- Masahiro Higashi ,
- Akiyoshi Yamauchi ,
- Sumi Ishihara ,
- Yosuke Kishikawa ,
- Shinnosuke Nitta ,
- Marina Nakano ,
- Hirotoshi Yoshida ,
- Yoshinori Nanba ,
- Kengo Ito ,
- Chiaki Okui ,
- Hirokazu Aoyama ,
- Masamichi Sukegawa ,
- Taku YAMANAKA ,
- Yuuji Tanaka ,
- Kenji Ichikawa ,
- Yohei Fujimoto ,
- Hiroyuki Sato
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.sup.1a—CO—R.sup.2a—CO—R.sup.3a-A.sup.a and a surfactant represented by R.sup.1b—CO—(CR.sup.2b.sub.2).sub.n—(OR.sup.3b).sub.p—(CR.sup.4b.sub.2).sub.q-L-A.sup.b.