Nippon Mining Co., Ltd.

Yukio Ogino

Kouichi Nakamura

Katsuyuki Tsuchida

Masashi Kumagai

Hiroyoshi Kamio

This present invention provides a novel imidazole-silane compound which has an excellent heat resistance and a high corrosion preventive effect on metal surface and is capable of remarkably improving the adhesion of a metal to a resin substrate, a process for preparing such a compound, and a new metal surface finishing agent comprising the same. The novel imidazole-silane compound is represented by the general formula (1), (2) or (3) as defined in claims and produced by reacting an imidazole compound of the general formula (4) with a 3-glycidoxypropylsilane compound of the general formula (5) at a temperature of 80.degree. to 200.degree. C.

Imidazole-silane compounds and metal surface finishing agent containing

Hardening of an unsaturated polyester resin is accelerated by use of (a) a zirconium and/or titanium chelate compound and (b) a cobalt and/or manganese compound as a hardening accelerator.

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Toda, Japan

Yukio Ogino