Idemitsu Kosan Company, Limited

Idemistu Kosan Co., Ltd.

Haruhiko Mori

Yutaka Obata

Takeshi Iwasaki

Daichi Ogawa

The present invention provides a thermosetting material, which contains the following components (A) to (C) and which, when measured with a rotational viscometer at a constant shear rate (JIS K7117-2:1999), exhibits a viscosity at 25° C. and 10 sof 5 Pa·s or more and 200 Pa·s or less and, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity at 25° C. and a shear rate of 100 sof 0.3 Pa·s or more and 50 Pa·s or less. (A): a (meth) acrylate compound in which a substituted or unsubstituted alicyclic hydrocarbon group having 6 or more carbon atoms is ester-bonded, and which, when measured with a rotational viscometer at a constant shear rate in the same manner as above, exhibits a viscosity of 5 to 300 mPa·s as a viscosity measured at 25° C. and 10 to 100 s; (B): spherical silica; and (C): a black pigment.

Curable material and method for molding said thermally curable material

A thermosetting composition comprising: (A) a (meth)acrylate compound having a viscosity at 25&#xb0; C. of 1 to 300 mPa&#xb7;s with which a substituted or unsubstituted aliphatic hydrocarbon group including 6 or more carbon atoms is ester-bonded; (B) spherical silica; and (C) a white pigment, and having a shear viscosity at 25&#xb0; C. and 10 sof 1 Pa&#xb7;s or more and 500 Pa&#xb7;s or less and a shear velocity at 25&#xb0; C. and 100 sof 0.3 Pa&#xb7;s or more and 100 Pa&#xb7;s or less.

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Ichihara, Japan

Haruhiko Mori