Kao Corporation

Ryoichi Hashimoto

Yasuhiro Yoneda

Toshiya Hagihara

Ryoji Iwamoto

Hiroyuki Yoshida

Eiji Shirai

Masahiro Mori

Hiromichi Takahashi

Munehisa Okutsu

Takayuki Nomura

Manabu Shibata

Makoto Okubo

Kazuhiko Kiuchi

Katsuhiko Rindo

Hiroki Kakiuchi

Yasukazu Kumita

Hirofumi Nakanishi

Kenichi Miyamoto

Kazutomo Osaki

Toshiya Shimada

Masataka Negishi

Yusuke Akino

Hiroshi Inatome

Kohei Yamada

Hirotaka Kashiwagi

The present invention relates to an asphalt composition containing asphalt, cellulose, and a polyester.

Asphalt composition and manufacturing method therefor, and manufacturing method for asphalt mixture

An asphalt composition containing asphalt and polyester, wherein a content of asphaltene in the asphalt is 18% by mass or more and 40% by mass or less, and a content of the polyester is 1 part by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the asphalt.

Asphalt composition

The present invention relates to a road paving method enabling one to provide an asphalt paving material layer in which both excellent stability and stress relaxation can be made compatible with each other, the method including

Road paving method

The present invention relates to an asphalt composition which is excellent in storage stability at a high temperature, an asphalt mixture, a method for producing the same, and a road paving method. Provided are [1] an asphalt composition containing asphalt, a polyester resin, and a dispersant; [2] an asphalt mixture containing the asphalt composition as set forth above in [1] and an aggregate; [3] a road paving method including a step of laying the asphalt mixture as set forth above in [2], thereby forming an asphalt paving material layer; and [4] a method for producing an asphalt mixture including mixing asphalt, a polyester resin, a dispersant, and an aggregate at 130&#xb0; C. or higher and 200&#xb0; C. or lower.

The present invention relates to an asphalt composition having excellent durability after being dried, an asphalt mixture, and a method for producing an asphalt mixture. Disclosed are [1] an asphalt composition containing asphalt, a thermoplastic elastomer, and a polyester, wherein the polyester has a softening point of 90&#xb0; C. or higher and 140&#xb0; C. or lower and a glass transition point of 40&#xb0; C. or higher and 80&#xb0; C. or lower, and a ratio of the polyester is 1 part by mass or more and 17 parts by mass or less based on 100 parts by mass of the asphalt; [2] an asphalt mixture including the asphalt composition as set forth [1] and an aggregate; and [3] a method for producing an asphalt mixture, including a step of mixing a heated aggregate, asphalt, a thermoplastic elastomer, and a polyester, wherein the polyester has a softening point of 90&#xb0; C. or higher and 140&#xb0; C. or lower and a glass transition point of 40&#xb0; C. or higher and 80&#xb0; C. or lower, and a ratio of the polyester is 1 part by mass or more and 17 parts by mass or less based on 100 parts by mass of the asphalt.

A sheet for thermoforming made of a polylactic acid resin composition containing a polylactic acid-based resin, a plasticizer, and a crystal nucleating agent, wherein the sheet has a thickness of from 0.1 to 1.5 mm, and wherein Re (cal) calculated by the following formula (A): Re (cal)=Re (obs)/d&#xd7;10(A), wherein Re (obs) is a phase difference (nm) measured at a wavelength selected from wavelengths of from 380 to 780 nm, and d is a thickness (mm) of the sheet, is within the range of 0.001&#xd7;10&#x2264;Re(cal)&#x2264;1&#xd7;10. The sheet for thermoforming of the present invention has a wide moldable temperature region, so that the sheet can be suitably used in various applications such as food containers, packaging materials for daily sundries and household electric appliances, industrial trays of industrial parts, and the like.

Polylactic acid resin sheet for thermal molding use

A polishing liquid composition is applicable as a means of forming embedded metal interconnections on a semiconductor substrate. In a surface to be polished comprising an insulating layer and a metal interconnection layer, the polishing liquid composition is capable of maintaining a polishing speed of the metal layer, of suppressing an etching speed, and of preventing dishing of the metal layer.

Polishing liquid composition

A polishing composition comprising an improver of a ratio of a polishing rate of an insulating film to that of a stopper film, wherein the polishing rate of the stopper film is selectively decreased, comprising one or more compounds selected from the group consisting of a monoamine or diamine compound; a polyamine having three or more amino groups in its molecule; an ether group-containing amine; and a heterocyclic compound having nitrogen atom. The polishing composition can be used for removing an insulating film which has been embedded for isolation into a trench formed on a silicon substrate and sedimented outside the trench, thereby planing a surface of the silicon substrate.

Polishing composition

A detergent composition for cleaning a precision part, comprising an organic solvent, 5 to 30% by weight of a glyceryl ether having an alkyl group or alkenyl group having 4 to 12 carbon atoms, and 5% by weight or more of water. The detergent composition can be used for cleaning a precision part such as a metal part, an electronic part, a semiconductor part or a liquid crystal display panel.

Detergent composition for cleaning precision parts

Process for producing a molded article comprising pouring or injecting a liquid molding material into a mold in the presence of a surface-treating agent comprising a contact angle-reducing substance under the condition that the contact angle between the liquid molding material and the inner surface of the mold is not more than 30&deg;, and curing the liquid molding material; surface-treating agent comprising a contact angle-reducing substance which reduces the contact angle between the liquid molding material and a flat plate made of the same material as the mold to not more than 30&deg;; method for reducing surface voids during molding, comprising using the above surface-treating agent; and use of the above surface-treating agent for reducing surface voids. The molded article has a shape accurately corresponding to the shape of an inner surface of a mold.

Process for producing molded article

A supporting shaft 11 that can be inserted through a center hole 5a in each of cured resin disks 5 and which has a bottom plate in a disk form at an end, as well as a plurality of spacer disks 12 each having a center hole through which the supporting shaft 11 can be inserted are used in the process of manufacturing GC (glass-like carbon) by baking to carbonize the cured resin disks 5. The cured resin disks 5 are stacked alternately with the spacer disks 12 on the supporting shaft 11 in an erect position that is inserted through the center holes in each of the cured resin and spacer disks. The stack is then baked in a baking furnace. By so doing, the cured resin disks can be set up easily and the baking furnace can be operated to its full capacity.

Growing community of inventors

Wakayama, Japan

Ryoichi Hashimoto