Dainippon Ink and Chemicals, Incorporated

Taisei Road Construction Co., Ltd.

Masatoshi Motomura

Noboru Okoshi

Yoshitami Araki

Ichiro Muramatsu

Kenichiro Nomura

Takehisa Kozai

Takenori Ikeda

Mitsuru Ohtsubo

Toru Sato

Ichirou Muramatsu

Hideyuki Ishida

Hiroshi Mita

Eiju Inchinose

Hirotsugu Takanashi

Takahiko Ito

Niichi Toyama

A method for producing a branched-polyether resin composition of the present invention includes

Methods for producing branched-polyether resin composition and acid pendant branched-polyether resin composition

Method for preparing water-based urethane resin composition

Disclosed is a construction material containing bitumen comprising (A) a polyol component, the polyol component consisting essentially of (a-1) a hydroxy-polyoxyalkylene ether of bisphenol A and/or bisphenol F, and (a-2) an aliphatic polyol, (B) a polyisocyanate component, (C) a bitumen, and/or (D) an aggregate. The construction material has improved water-proof and mechanical properties.

Construction material containing bituminous substances

A working material for construction or repair comprising (A) a mixture of 0.5 to 30% by weight of (a-1) a hydroxide of a divalent or higher basic metal, 10 to 99% by weight of (a-2) an aggregate and 0.5 to 70% of (a-3) a bituminous substance, the total amount of these materials (a-1), (a-2) and (a-3) being 100% by weight, and covering the mixture (A), (C) oxidized rosin or a mixture of (C) oxidized rosin with (D) a compound containing more than one carboxy group per molecule on an average and/or (B) a liquid hydrocarbon or a vegetable oil.

Working material for construction or repair

A pigment paste comprising a pigment and as a pigment dispersing agent, a compound having a basic structure represented by the following formula ##STR1## wherein R.sub.1 represents a hydrogen atom or a C.sub.1 -C.sub.4 alkyl group, and R.sub.2 represents a residue of a diol or polyol, or a mixture of said pigment dispersing agent and an organic solvent, said pigment being dispersed in said pigment dispersing agent or in said mixture.

Pigment paste

An epoxy resin composition is provided consisting essentially of

Epoxy resin composition and construction material containing the same

Growing community of inventors

Ichihara, Japan

Masatoshi Motomura