Toyoda Gosei Co., Ltd.

Other

Kabushiki Kaisha Toyota Chuo Kenkyusho

Toyota Jidosha Kabushiki Kaisha

Katsumasa Takeuchi

Norio Sato

Masayoshi Ichikawa

Makoto Mouri

Katsumi Nakashima

Yasuyuki Suzuki

Hidenobu Honda

Masao Owaki

Kazuya Watanabe

Arimitsu Usuki

Hirotaka Okamoto

Mitsumasa Matsushita

Toru Yoshida

Noriyuki Suzuki

Makoto Kato

Tadanobu Iwasa

Akane Okada

Hideyuki Imai

Hiroshi Yokoi

Daisuke Tsutsumi

Atsushi Suzuki

Takamasa Suzuki

Atsushi Murase

Azusa Tsukigase

Yasushi Miyamoto

Kazuya Ito

Toshikatsu Kanehara

Rubber composition and method for producing the same

Devulcanized rubber in which sulfuric crosslinking bonds are cut and which contains carbon black particles having very small diameters. Vulcanized rubber of discarded products is devulcanized by heating it at a temperature of 180.degree. C. --350.degree. C. and applying a shearing pressure of 10-150 kg/cm.sup.2 thereto. Reclaimed rubber products are manufactured by vulcanizing and molding, into desired shapes, a material made of only devulcanized rubber in which sulfuric crosslinking bonds are cut and which contains carbon black particles having very small diameters or a material made of the devulcanized rubber mixed with virgin unvulcanized rubber.

Method of manufacturing devulcanized rubber using high temperature and

A layered molding and method for making the same which has excellent anti-permeability to gasoline. The layered molding is defined by a fluoroplastic or polyamide plastic and an epichlorohydrin rubber. The fluoroplastic is a copolymer formed from at least two precursors selected from the group consisting of hexafluoropropylene, tetrafluoroethylene, and vinylidene fluoride, which are selected within a plotted range to preferably form a binary or tertiary composition. The epiclorohydrin rubber contains organic phosphonium. The resulting molding layer does not require an adhesive agent.

Layered molding

The present invention provides a method of manufacturing a composite material made of a rubber and a clay mineral dispersed uniformly therein. The method proceeds exchanging inorganic ions of the clay mineral with organic onium ions to organize the clay mineral; mixing the organized clay mineral and a process oil and/or a plasticizer; and mixing the rubber material with the mixture of the organized clay mineral and the process oil and/or the plasticizer. Process oil and/or plasticizer are intercalated into the organized clay mineral. As a result, the interlayer distance of the clay mineral is enlarged. The most favorable mode of the present invention is for a barrier material against water, gas and the like and for a rubber material required for an improved mechanical property.

Method of manufacturing composite material of clay mineral and rubber

A bonded structure 1 including an aluminum alloy plate 3 and a rubber 7 of vibration proof rubber adhering to each other with an adhesive wherein the aluminum alloy plate 3 includes aluminum alloy containing no more than 12% by weight of silicon and no more than 2.2% by weight of copper and the application of such aluminum alloy to the bonded structure 1 decreases the total weight of the structure 1 and improves both corrosion resistance and adhesiveness under corrosive conditions wherein the bonded structure is favorably applied to damper pulleys and shock-absorbing body mounts of vehicles.

Bonded structure of aluminum alloy and rubber and manufacture process

A damping liquid for a hydraulic vibration-damping mount is composed of glycol, water and 2 to 20 weight % of age resistor having ozone resistance. The damping liquid gradually diffuses and infiltrates into a rubber member defining a liquid chamber of the hydraulic vibration-damping mount thereby remarkably improving the ozone resistance thereof.

Damping liquid for hydraulic vibration damping mount

Adhesiveness of a halogenated butyl rubber is improved by blending with it from 5 to 20 weight parts of nickel dithiocarbamate, such as nickel butyl- or diethyldithiocarbamate, per 100 weight parts of the rubber.

Rubber with nickel dithiocarbates

Growing community of inventors

Ichinomiya, Japan

Katsumasa Takeuchi