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Application filed by China Technical Consultant IncfiledCriticalChina Technical Consultant Inc
Priority to TW81104264ApriorityCriticalpatent/TW198044B/en
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Publication of TW198044BpublicationCriticalpatent/TW198044B/en
Method of preparing water-dispersing polyurethane comprising: placing polyols and polyisocyanate in a 0-70 weight percent of diluent to form NCO-terminated urethane prepolymer; reacting compound with hydroxy group and CH2=CH-COO- or CH2=C(CH3)-COO-group with urethane prepolymer to form aminoformate prepolymer; adding primary or secondary polyatomic amines into the aminoformate prepolymer to form polyurethane containing amino group.
TW81104264A1992-05-301992-05-30Water-dispersing polyurethane and its preparing method
TW198044B
(en)