Toyota Jidosha Kabushiki Kaisha

Nihon Tokushu Toryo Co., Ltd.

Other

Asahi Rubber Co., Ltd.

Ayumi Takata

Yutaka Ohashi

Kunitoshi Nakamoto

Yasuhiko Ohashi

Akira Nonoyama

Kazunori Ito

Hiroshi Torii

Hirofumi Eto

Osamu Sakai

Akihiro Higuchi

It provides that a vibration-damping material in form of sheet which can be adhered to even at locations such as underfloor or engine room of a vehicle where both vibration-damping performance and chipping-resistant performance are required by self-adhesive bonding or heat melt adhesive bonding through an adhesive layer composed of a adhesive or a hotmelt adhesive. A vibration-damping material in form of sheet with chipping-resistant performance having both of vibration-damping performance and chipping-resistant performance includes a thermosetting vibration-damping sheet and an adhesive layer, the thermosetting vibration-damping sheet includes one or more than synthetic rubber selected from the group consisting of a styrene-butadiene rubber, a butadiene rubber and a high-styrene rubber; a polybutadienic elastomer; a curing agent; a petroleum resin and an inorganic filler.

Chipping-resistant vibration damper in form of sheet

A steel plate-reinforcing material of a type giving vibration-damping performance to a steel plate including a restricted layer and a thermosetting foamed viscoelasticity layer, as tackifiers included in said thermosetting foamed viscoelasticity layer, the tackifiers including a terpene system resin, an aliphatic series system petroleum resin and an aromatic series system petroleum resin are used, a fiber is added to the thermosetting foamed viscoelasticity layer.

Steel plate-reinforcing material of a type giving vibration-damping performance to a steel plate

An acrylic resin plastisol coating compound which comprises containing therein acrylic resin particles and a self-crosslinking blocked isocyanate prepolymer having blocked isocyanate group and hydroxyl group in the molecule. It is superior in storage stability and workability and gives a coating film with good adhesion and chipping resistance.

Acrylic resin plastisol coating compound

Disclosed is an acrylic sol for a sound insulating underbody coating. It includes acrylic polymer fine particles, a plasticizer, a filler, a plasticizer, a blocking type urethane resin, a curing agent and a foaming agent. Since it includes the acrylic polymer particles as a major constituent unit, it does not generate a hydrogen chloride gas and dioxins when it is burned. Moreover, since the paint film resulting from the acrylic sol has a net-shaped structure by the cross-linkage reactions of the urethane resin, and since the bulkiness of the paint film is increased by the foaming agent, it has a good cold resistance and adhesion property toward automotive steel plates, and effects a superb chipping resistance and sound insulating performance.

Acrylic sol for a sound insulating underbody coating

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Toyota, Japan

Ayumi Takata