Mitsui Toatsu Chemicals, Incorporated

Shimizu Seiko Kabushiki Gaisha

Ryuji Haseyama

Taisaku Kano

Kazuyuki Kuroda

Kiyoshi Shikai

Kouzou Hayashi

Katsuyoshi Sasagawa

Masatoshi Takagi

Hiroshi Nomura

Takayoshi Sekido

Herein disclosed are an .alpha.-(aminocyclohexyl)alkylamine represented by the following general formula (II): ##STR1## wherein R represents hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms, provided that the amino group bonded to the cyclohexyl group may be in either of the 2-, 3- and 4-positions and a method for preparing it; an .alpha.-(isocyanatocyclohexyl)alkylisocyanate of Formula (II) wherein the amino groups are replaced with isocyanato groups and a method for preparing it; polyisocyanato-isocyanurate represented by the following general formula (IV): ##STR2## wherein R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each represents a group represented by the following general formula: ##STR3## wherein R represents hydrogen atom or an alkyl group having 1 to 5 carbon atoms and n is an integer ranging from 1 to 5 and a method for preparing it; and a resin obtained by polymerizing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (IV) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.

Alicyclic diamines, alicyclic diisocyanates and

Polyisocyanato-isocyanurate and mixture of the same obtained by trimerizing straight chain aliphatic diisocyanate represented by the formula:

Polyisocyanato-isocyanurate, and preparation process and use of the same

Herein disclosed are a polyisocyanato-isocyanurate represented by the following formula (I): ##STR1## wherein n is an integer ranging 1 to 5 and R.sub.1, R.sub.2 and R.sub.3 may be the same or different and each represents hydrogen atom or a lower alkyl group and a method for preparing it; and a resin containing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (I) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.

Polyisocyanatoalkylphenyl-isocyanurates, method for the preparation

Herein disclosed are a polyisocyanato-isocyanurate represented by the following formula (I): ##STR1## wherein n is an integer ranging 1 to 5 and R.sub.1, R.sub.2 and R.sub.3, may be the same or different and each represents hydrogen atom or a lower alkyl group and a method for preparing it; and a resin containing an organic polyisocyanate containing not lower than 10% by weight of the polyisocyanato-isocyanurate represented by Formula (I) and a compound having at least two active hydrogen atoms as well as a resin composition for coating materials which comprises the resin.

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Kanagawa, Japan

Ryuji Haseyama