Mitsubishi Kasei Corporation

Mitsubishi Chemical Corporation

Kazuhiro Sone

Takeo Sawanobori

Hiromichi Sakai

Yuji Noguchi

Masami Ishida

Kiyoshi Mizushima

Carbon black having silica attached to the surface, characterized in that the attached silica has a size of from 0.1 to 20 nm in thickness and from 1 to 40 nm in width.

Process for preparing surface-treated carbon black and rubber composition

A cement reinforcing fiber obtained by impregnating an organic or inorganic fiber with a thermosetting resin, then coating it with a rubber solution or rubber latex, and curing it.

Cement reinforcing fiber

Cement is reinforced by mixing into a water-curable cement a reinforcing quantity of a fiber prepared by impregnating a carbon fiber with from 50-200 wt. % of a thermosetting resin, coating the impregnated resin with from 10-200 wt. % of a rubber solution or rubber latex, and then curing the coated fiber.

Growing community of inventors

Yokkaichi, Japan

Kazuhiro Sone