Mazda Motor Corporation

Shin-etsu Chemical Co., Ltd.

Shinji Kadoshima

Nobuo Sakate

Satoshi Nanba

Yoshio Tanita

Akihide Takami

Takakazu Yamane

Koichi Higuchi

Masahiko Minemura

Daiji Katsura

Yoshihisa Miwa

Nobuyuki Oda

Kazuyuki Negishi

Hiroyuki Koga

Kazuaki Yamamoto

In a heat-shielding film formed of addition-curing silicone resin containing organopolysiloxane, organopolysiloxane includes the combination of a plurality of units including at least a RSiOunit (a T unit), a RRSiOunit (a D unit), and a RRRSiOunit (a M unit) (in each unit, Rto Ris aliphatic hydrocarbon or hydrogen), and the molar ratio of the T unit, the D unit, and the M unit among all structural units is T:33.3 mol % to 71.4 mol %, D:11.1 mol % to 42.9 mol %, and M:7.0 mol % to 42.9 mol %.

Addition-curing silicone resin for producing heat-shielding film, method for forming heat-shielding film on inner surface of combustion chamber of engine by means of addition-curing silicone resin, heat-shielding film, and heat shielding method for reducing or preventing heat dissipation from combustion chamber of engine to outside by means of heat-shielding film

A heat-insulating layer exhibiting high resistance to cracks, peeling, deformation, and gasoline and high heat insulation is obtained on the wall surface of an engine member (). First, a heat insulator layer including a silicone-based resin and hollow particles containing a Si-based oxide is formed on a wall surface of the engine member (). Then, Si-based oxide is produced through oxidation of a silicone-based resin in at least part of the surface of the heat insulator layer by heating the surface of the heat insulator layer. Thereafter, a catalytic metal is added to the silicone-based resin in the surface of the heat insulator layer and/or Si-based oxide derived from the hollow particles. Using the catalytic metal as nuclei, electroless plating is performed. In this manner, a heat-insulating layer () in which the surface of the heat-insulating film () is covered with a plating film () is obtained.

Heat-insulating structure of member facing engine combustion chamber, and process for producing same

Disclosed is a heat-insulating structure which can be used, for example, to reduce the cooling loss of an engine. The heat-insulating structure includes a hollow particle layer made of a lot of hollow particles densely packed on a surface of a metallic base material. The hollow particle layer is covered with a coating.

Heat-insulating structure

In forming a plating layer for a sliding portion, which comprises Cr that is electrolytically-deposited in a plating bath containing Cr, the plating bath contains organic sulfonic acid. Accordingly, micro-cracks are formed at the plating layer. The plating layer for a sliding portion has the superior low friction and lubricating property.

Plating layer for sliding portion

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Hiroshima, Japan

Shinji Kadoshima