POLYCARBODIIMIDE COMPOSITION, METHOD FOR PRODUCING POLYCARBODIIMIDE COMPOSITION, AQUEOUS DISPERSION COMPOSITION, SOLUTION COMPOSITION, RESIN COMPOSITION, AND RESIN CURED PRODUCT

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 CI /IR UI+U ) of absorbance IR CI at or near 2120 cm -1 due to stretching vibration of the carbodiimide group rel...

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Main Authors MIO, Shigeru, SAKATA, Kazuki, YAMASHITA, Tatsuya, YAMASAKI, Satoshi, MORITA, Hirokazu, NAKAGAWA, Aya, NAKAGAWA, Toshihiko, KIYONO, Shinji
Format Patent
LanguageEnglish
French
German
Published 31.10.2018
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Summary: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 CI /IR UI+U ) of absorbance IR CI at or near 2120 cm -1 due to stretching vibration of the carbodiimide group relative to absorbance IR UI+U at or near 1720 cm -1 due to stretching vibration of the uretonimine group and urethane group is 1.5 or more and 4.5 or less.
Bibliography:Application Number: EP20170735980