Kaneka Corporation

Other

Hokuyo Co., Ltd.

Kabushiki Kaisha Kobe Seiko Sho

Takashi Ueda

Kunihiko Matsumura

Morio Ishihara

Masahiro Ueda

Takahiro Ueda

Shiro Kitamura

Shinsuke Akao

Yoshihiro Makihara

Takeshi Chiba

Keisuke Okita

Hideyuki Kishida

Yoshinori Takeda

Kohei Kawamura

Yusaku Takagawa

Shinya Hongo

Ryohei Ishimaru

Fumihiro Mitamura

Hirotsugu Yamada

Toru Terada

Hiroshi Saito

Satoshi Kishi

Manabu Nagamitsu

Kazuya Sugitani

Kenichiro Hirao

Mariko Matsuda

Tsukasa Shirafuji

The present invention relates to a method for manufacturing coagulated particles from a latex prepared by emulsion polymerization, containing step of discharging the latex prepared by emulsion polymerization containing a thickener or the latex prepared by emulsion polymerization having a given viscosity into a solution containing a coagulating agent, to coagulate the latex prepared by emulsion polymerization, aggregates having an anisotropy shape obtained by discharging a latex prepared by emulsion polymerization containing a thickener into a solution containing a coagulating agent, and coagulated particles from the latex prepared by emulsion polymerization obtained by the method.

Method for manufacturing coagulated particles from latex prepared by emulsion polymerization, aggregates from latex prepared by emulsion polymerization, and coagulated particles from latex prepared by emulsion polymerization

The present invention provides a particulate composition wherein an oil component containing reduced coenzyme Qis polydispersed forming a domain in a matrix containing a water-soluble excipient, which simultaneously shows high oxidative stability and high oral absorbability, a production method thereof, and a stabilizing method thereof. It also provides a food, food with nutrient function claims, food for specified health uses, dietary supplement, nutritional product, animal drug, drink, feed, pet food, cosmetic, pharmaceutical product, therapeutic drug, prophylactic drug and the like, which contain the composition.

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Composition containing reduced coenzyme Q10 and production method thereof

The present invention provides vinyl chloride-based resin aggregate particles capable of providing a plastisol with excellent non-infiltrating property and favorable sagging property, a method for producing the same, and a glove using the same. The vinyl chloride-based resin aggregate particles of the present invention have a mean volume particle diameter of 10 to 60 &#x3bc;m, and the percentage of particles having a particle diameter of 10 to 60 &#x3bc;m is at least 50 vol %. The moisture absorption coefficient is 1.5 wt % or less when being retained for 24 hours under conditions of 30&#xb0; C. and a relative humidity of 97.0&#xb1;0.4%. A plastisol comprising 100 weight parts of the vinyl chloride-based resin aggregate particles and 160 weight parts of di-2-ethylhexyl phthalate satisfies a relationship of 3&#x2266;&#x3b7;70/&#x3b7;40&#x2266;1000. Further, in the vinyl chloride-based resin aggregate particles of the present invention, the number of voids having a void size of 1.0 &#x3bc;m or more per one aggregate particle is less than 5.0, and the percentage of particles having a particle diameter of 1.0 &#x3bc;m or less after ultrasonic treatment is less than 3.0 vol %.

Vinyl chloride resin aggregate particle, method for producing same, and gloves comprising same

The present invention provides: vinyl chloride-based resin aggregate particles that can be produced through a heat treatment while inhibiting scale formation within a vessel for the heat treatment and that provide a plastisol with non-infiltrating property and a satisfactory sagging property; a process for producing the particles; and a glove obtained using the particles. The vinyl chloride-based resin aggregated particles are obtained by flocculating a vinyl chloride-based resin through a two-stage heat treatment consisting of a primary heat treatment and a secondary heat treatment.

Vinyl chloride resin aggregate particles, process for producing same, and glove obtained using same

The molding thermoplastic polymer, which can solve a problem with fine particles in a suspension polymerization process, a problem for a reduction in energy consumption at the time of drying in an emulsion polymerization process, and a problem in compounding procedures for processors. The invention relates to molding thermoplastic polymer particles comprising 100 parts by weight of suspension polymer particles having a glass transition temperature of 60&#xb0; C. or more and an average particle diameter of 50 to 500 &#x3bc;m produced by suspension polymerization, the said suspension polymer particles being coated with 5 (inclusive) to 22 (exclusive) parts by weight of an emulsion polymer produced by emulsion polymerization.

Polymer particle composition and process for producing the same

An object of the present invention is to provide a new granulating process which can recover desired coagulated latex particles with a significantly excellent yield, and can suppress secondary coagulation under the condition having a higher temperature than a softening point of a polymer, without deteriorating the original quality of the polymer itself. A process for producing coagulated latex particles which can suppress the secondary coagulation under the condition having the broad temperature range, without deteriorating the original quality of the polymer itself by spraying or dropping a polymer latex into a gas-phase containing an inorganic salt and/or an acid, and a dispersant in an aerosol form, and dropping or feeding the droplets of the polymer latex into an aqueous phase containing a dispersant.

Process for producing coagulated latex particles

The present invention relates to a process for preparing regenerated collagen fiber which comprises treating regenerated collagen fiber with a monofunctional epoxy compound and a metal aluminum salt, in which treatment with the monofunctional epoxy compound initiated by adding sodium hydroxide to become 0.001 to 0.8 N based on the treatment solution and inorganic salt in an amount so that water absorption of the obtained regenerated collagen fiber becomes at most 100%, depending on amount of sodium hydroxide added. Also, the present invention relates to a process for setting regenerated collagen fiber obtained by the above process which comprises thermally setting the fiber by means of wet heat treatment at 50&#xb0; to 160&#xb0; C. and drying treatment at 20&#xb0; to 220&#xb0; C.

Process for producing regenerated collagen fiber and process for setting the same

The present invention suggests thermoplastic polymer particles for molding, which can solve all at once the problem of fine powder caused by suspension polymerization process, the problem of reducing energy consumption when drying caused by emulsion polymerization process and the problem of the compounding process for processors, and a process for preparing the same. 100 parts by weight of polymer particles having an average particle size of 50 to 500 &#x3bc;m prepared by suspension polymerization are coated with 22 to 100 parts by weight of an emulsion polymer prepared by emulsion polymerization. A polymer suspension comprising the polymer having an average particle size of 50 to 500 &#x3bc;m prepared by suspension polymerization and a polymer latex prepared by emulsion polymerization are mixed in a proportion of 22 to 100 parts by weight of the emulsion polymer based on 100 parts by weight of the suspension polymer. After the solid content concentration of the polymer particles within the suspension of the polymer mixture is adjusted to 25 to 35% by weight, the mixture is contacted with an electrolytic aqueous solution at the Vicat softening temperature of the emulsion polymer or lower. Then, after heating to the Vicat softening temperature of the emulsion polymer or higher, the polymer particles are recovered by solid-liquid separation.

Polymer particles and process for production thereof

Regenerated collagen fiber reduced in odor and improved in suitability for setting, process for producing the same, and method of setting

A regenerated collagen fiber which comprises 100 parts by weight of collagen and 1 to 100 parts by weight of a thermoplastic resin and has such excellent heat resistance that it is less apt to be thermally damaged even in styling with a hair iron or dryer. The thermoplastic resin is one obtained by polymerizing at least one member selected from the group consisting of alkyl acrylate monomers, alkyl methacrylate monomers, acrylic acid, methacrylic acid, vinyl cyanide monomers, aromatic vinyl monomers and halogenated vinyl monomers.

Regenerated collagen fiber with excellent heat resistance

Growing community of inventors

Takasago, Japan

Takashi Ueda