Nippon Paint Compnay, Ltd.

The University of Manchester

Yoji Hirasawa

Shoji Ikeda

Shinji Nakano

Koichi Tsutsui

Richard H Still

Keiichi Okajima

Robert F Stepto

Julius John Batty

Christopher Harold Phillips

Brian Lewis Booth

The present invention provides a catalyst composition for producing a polyether polyamine, comprising:

Catalyst composition for producing polyether polyamine and production

Disclosed is a paint resin prepared by reacting an aluminum chelate compound with a resin having an active hydrogen bonded to an electrophilic atom or atomic group, and/or epoxy group.

Paint resin

Polymeric polyols are prepared by reacting a polyhydroxy initiator compound with an epoxide in the presence of alkali metal hydroxide catalyst used in an amount of at least 10% by mole based on the molar amount of polyhydroxy initiator compounds. The polyols so obtained may be chain extended by reaction with further epoxide in the presence of at least 10% by mole of an alkali metal hydroxide catalyst based on the molar amount of the polymeric polyol.

Production of polymeric polyols

A pigment dispersing resin which essentially consists of a modified polymer obtained by introducing at least one of acidic groups and basic groups into a polymeric polyol of star-shaped structure prepared by reacting a polyol having at least four hydroxyl groups per molecule with an epoxide, the resin being compatible with pigments and vehicle resins, and a pigment dispersed paste which comprises the pigment dispersing resin and a pigment, the pigment dispersed paste being low in viscosity over a long period of time.

Pigment dispersing resin and composition containing same

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Soraku, Japan

Yoji Hirasawa