POLYURETHANEUREA COMPOSITION

• Main Authors: MORIFUJI YOSHINORI, HORINAKA RYOJI
• Format: Patent
• Language: English
• Published: 24.12.1996
• Edition: 6
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

PURPOSE: To obtain a polyurethaneurea composition improved in fading deterioration, fastness to washing, etc., by adding reaction products among tert. nitrogen- containing diols, a polymer diol, an organic diisocyanate and an N,N- dialkylhydrazine to a polyurethaneurea. CONSTITUTION: A semicarbazide compound [S1 ] obtained by reacting an N,N- dialkylhydrazine 914/28}E] with an isocyanate-terminated product obtained by reacting tert. nitrogen-containing diols [A] and [B] of formulas I and II (wherein R1 and R2 are each a 1-12C alkyl) and a tert. nitrogen-free polymer diol [C] with an excess of an organic diisocyanate [D], a semicarbazide compound [S1 ] or [S2 ] obtained by reacting the component A or B and the component C with the components D and E, and a polyurethane compound [U1 ] obtained by reacting the component S1 with the component B are prepared. All of the components S, S1 , S2 and U1 have a number-average molecular weight of 2,000-7,000. The component S, the components S1 and S2 and the components S1 and U1 each in an amount of 1-10wt.% are added to a polyurethaneurea. The signs satisfy the requirements of formulas III to IV.