SOLVENT FREE AQUEOUS POLYURETHANE DISPERSIONS AND METHODS OF MAKING AND USING THE SAME

• Main Authors: CAMPBELL KEITH DOUGLAS, FAZEL SHAFIQ N, SHIIN TSUEN
• Format: Patent
• Language: English; Japanese
• Published: 10.09.2015
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PROBLEM TO BE SOLVED: To provide substantially solvent-free aqueous polyurethane dispersions and methods of making and using the same.SOLUTION: The substantially solvent-free aqueous polyurethane dispersions are provided in a substantially solvent-free system of a prepolymer made by reacting at least one polyol, at least one polyisocyanate, at least one isocyanate-reactive compound comprising one or more ionic or potential ionic groups, and at least one isocyanate chain terminating agent. 【課題】実質的に無溶剤型である水性ポリウレタン分散体ならびにその製造方法及び使用方法を提供する。【解決手段】実質的に無溶剤型である水性ポリウレタン分散体は、少なくとも１種のポリオール、少なくとも１種のポリイソシアネート、１個以上のイオン性基又潜在イオン性基を含む少なくとも１種のイソシアネート反応性化合物、及び、少なくとも１種のイソシアネート連鎖停止剤を反応させることで製造されるプレポリマーの実質的に無溶剤系中に提供される。【選択図】図１