Sony Corporation

Other

Sony Group Corporation

Dexerials Corporation

Sony Corpotation

Yasuhito Inagaki

Kenji Ueda

Haruo Watanabe

Tsutomu Noguchi

Miyuki Kuromiya

Takahiro Ohe

Kohei Shimizu

Masahiro Sawaguchi

Akito Kuriyama

Daisuke Hasegawa

Hidemi Tomita

Atsushi Yamada

Hiroshi Ohki

Takaaki Kano

Shigeo Kiuchi

Satoru Wakiyama

Masato Hasegawa

Yuko Fujihira

Mayumi Miyashita

Tetsuya Komine

Kazuki Satake

Yasutoshi Kawate

Hiroyuki Nagasawa

Tadanori Kawamura

Mineo Shimizu

Yoshihiro Fujitani

Kimiko Ishikawa

Keiji Yamashita

Harou Watanabe

To provide a resin composition having excellent resin properties. Provided is a resin composition including: at least one thermoplastic resin (A); and a hydroxyl fatty acid ester (B) that are at least blended, in which when the weight-average molecular weight of the at least one thermoplastic resin (A) in terms of polystyrene is set to MW0 and the weight-average molecular weight of at least one thermoplastic resin (C) which has been produced after the blending in terms of polystyrene is set to MW1, the MW1 is decreased by 5% or more from the MW0.

Resin composition and method of producing resin composition, and method of producing resin molding

To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts·mass to 100 pts·mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.

Transparent resin composition and transparent resin molded article

To provide a flame retardant resin composition having excellent flame retardancy and excellent resin physical properties. There is provided a flame retardant resin composition, including: an aromatic polycarbonate resin; an inorganic filler; a phosphate ester flame retardant; an organic sulfonic acid flame retardant; a drip preventing agent; and a polyorganosiloxane-containing graft copolymer, in which a content of the aromatic polycarbonate resin is 40 to 95 pts.mass to 5 to 60 pts.mass of the inorganic filler, and a content of the phosphate ester flame retardant, a content of the organic sulfonic acid flame retardant, a content of the drip preventing agent, and a content of the polyorganosiloxane-containing graft copolymer are respectively 1 to 30 pts.mass, 0.01 to 2.5 pts.mass, 0.05 to 1.5 pts.mass, and 0 to 10 pts.mass to the total 100 pts.mass of the aromatic polycarbonate resin and the inorganic filler.

Flame retardant resin composition

To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts&#xb7;mass to 100 pts&#xb7;mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.

A flame retardant with which fire retardancy is improved and the fire retardancy is able to be secured stably for a long time is provided. An internal layercontaining a polymer and a flame retardant factor layerthat is formed outside of the internal layerand that contains a polymer to which at least one of a sulfonate group and a sulfonate base is bonded are included. Thereby, compared to a case that the flame retardant factor layeris not included, moisture is hardly absorbed, and respective particles of the flame retardant are inhibited from being adhered to each other. Accordingly, blocking is inhibited.

Flame retardant, method of manufacturing the same, resin composition of matter, and method of manufacturing the same

A flame retardant resin composition in which an acrylonitrile-styrene based polymer, into which sulfonic acid groups and/or sulfonate groups have been introduced by sulfonating processing with a sulfonating agent containing less than 3 wt % of moisture, is contained in a resin to be made flame retardant, so that flame retardant properties will be conferred on the resin flame resistant.

Flame retarder, flame retardant resin composition and method of producing the flame retarder

A halogen-free type polycarbonate resin composition and a resin molded object having good flame retardant properties and physical properties that make them suitable for the use as manufactured products. The resin component includes a component A which is a polycarbonate resin, a component B including organic sulfonic acid or organic sulfonic acid metal salt, whose content is 0.05% or more and 2.0% or less by weight, a component C which is a drip inhibitor, whose content is 0.05% or more and 1.0% or less by weight, and a component D which is a silicone compound, whose content is 0.1% or more and 2.0% or less by weight. Among hydrogen atoms in the silicone compound and the proportion of hydrogen atoms in phenyl groups is 51% or more.

Resin composition and resin molded object

A halogen-free type polycarbonate resin composition and a resin molded object having good flame retardant properties and physical properties that make them suitable for the use as manufactured products are provided. A resin composition of the present disclosure includes a component A, a component B, a component C and a component D. The component A is a polycarbonate resin. The component B is talc having an average median diameter of 4.6 &#x3bc;m or more and 6.0 &#x3bc;m or less, whose content is 5% or more and 20% or less by weight. The component C is an organic sulfonic acid or an organic sulfonic acid metal salt, whose content is 0.05% or more and 2.0% or less by weight. The component D is a drip inhibitor, whose content is 0.05% or more and 1.0% or less by weight.

Disclosed are a plant-derived flocculant and a flocculant mixture having a higher flocculation capacity. The plant-derived flocculant comprises at least one of a dried matter of, a dried matter of, a dried matter of bananas, and a dried matter of; the plant-derived flocculant has a colloid equivalent of &#x2212;1.5 mEq/g to &#x2212;0.20 mEq/g, and the 2 weight % aqueous solution of the plant-derived flocculant has a viscosity of at least 6.0&#xd7;10Pa&#xb7;s (6.0 cP). The flocculant mixture of the invention comprises the plant-derived flocculant described above and a synthetic polymer flocculant having a colloid equivalent of &#x2212;4.5 mEq/g to &#x2212;1.2 mEq/g, whose 0.2 weight % aqueous solution has a viscosity of 1.3&#xd7;10Pa&#xb7;s to 4&#xd7;10Pa&#xb7;s (130 cP to 400 cP).

Plant-derived flocculant, flocculant mixture, method of flocculation, and method for preparing plant-derived flocculant

An indium adsorbent is provided that is obtained by the following process. A hydrophilic polymer having a carboxyl group in which indium is incorporated in advance is caused to absorb an aqueous solution of a water-soluble monomer, a cross-linking agent, and a polymerization initiator, and an acid treatment is performed on a polymer obtained by polymerizing the water-soluble monomer, to obtain the indium adsorbent. The indium adsorbent has a template architecture with respect to indium. Accordingly, the indium adsorbent is capable of adsorbing indium with a high selectivity. An indium selection rate is 2.0 or more with respect to zinc.

Indium adsorbent, indium adsorbent producing method, and indium adsorption method

Five to eighty-five percent by weight of an aromatic polycarbonate resin (A component) having a weight-average molecular weight (polystyrene equivalent) of 27000 to 35000, 0.2 to 10 percent by weight of an impact strength improver (D component), 0.05 to 4 percent by weight of a core-shell-type styrene-based polymer flame retardant (E component) having a sulfonate group bonded to a particle surface layer portion, 5 to 20 percent by weight of an inorganic filler (F component), and 0.1 to 0.5 percent by weight of a polyfluoroolefin resin (G component) are mixed.

Flame-retardant polycarbonate resin composition

A flame retardant resin composition is disclosed. An acrylonitrile-styrene based polymer, into which sulfonic acid groups and/or sulfonate groups have been introduced by sulfonating processing with a sulfonating agent containing less than 3 wt % of moisture, is contained in a resin to be made flame retardant, so that flame retardant properties will be conferred on the resin flame resistant.

A system to recycle plastics, which enables a supply of recycled plastics having a stable quality required for the recycled products. A system to recycle a used plastic material as a resin material including (a) means to sort used plastic materials for the purpose of recycling said used plastic materials, (b) means to crush and melt said used plastic material after it has been sorted, (c) reviving means to regain a desired property, and (d) means to measure a physical property of a reclaimed plastic after it has been revived and to indicate said measured physical property for quality assurance.

Growing community of inventors

Kanagawa, Japan

Yasuhito Inagaki