Mitsui Chemicals, Inc.

Kazuki Sakata

Satoshi Yamasaki

Shinji Kiyono

Toshihiko Nakagawa

Hirokazu Morita

Shigeru Mio

Tatsuya Yamashita

Aya Nakagawa

The polycarbodiimide composition is a reaction product of polyisocyanate having a primary isocyanate group with alcohol, wherein the alcohol contains at least one oxyethylene-containing alcohol containing an oxyethylene group, and at least one oxyethylene-noncontaining alcohol containing no oxyethylene group, the at least one oxyethylene-noncontaining alcohol has a solubility parameter of 11.20 (cal/cm)or less.

Polycarbodiimide composition, method for producing a polycarbodiimide composition, water-dispersed composition, solution composition, resin composition, and cured resin

A polycarbodiimide composition is a reaction product of polyisocyanate having a primary isocyanate group and alcohols, wherein in an infrared absorption spectrum, the intensity ratio (IR/IR) of absorbance IRat or near 2120 cmdue to stretching vibration of the carbodiimide group relative to absorbance IRat or near 1720 cmdue to stretching vibration of the uretonimine group and urethane group is 1.5 or more and 4.5 or less.

Polycarbodiimide composition, method for producing polycarbodiimide composition, aqueous dispersion composition, solution composition, resin composition, and cured resin

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Chiba, Japan

Kazuki Sakata