AQUEOUS POLYURETHANE RESIN, SURFACE TREATMENT AGENT, AND LEATHER SURFACE-TREATED WITH THE SAME
An aqueous polyurethane resin is a chain-extended product of a neutralized product of an isocyanate group-terminated prepolymer which is a reaction product of (a) an organic polyisocyanate, (b) a polyol, (c) a compound having an anionic hydrophilic group and at least two active hydrogens and (d) a p...
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| creator | SAITO, Yusuke NANBOKU, Naoki KONDO, Kuniaki NISHINO, Masakazu |
| description | An aqueous polyurethane resin is a chain-extended product of a neutralized product of an isocyanate group-terminated prepolymer which is a reaction product of (a) an organic polyisocyanate, (b) a polyol, (c) a compound having an anionic hydrophilic group and at least two active hydrogens and (d) a polyhydric alcohol, the chain-extended product being obtained by chain-extending the neutralized product with (e) a polyamine having two or more amino groups and/or imino groups, wherein the polyol contains at least one selected from the group consisting of polycarbonate diols each having a structural unit derived from a diol having a branched structure with an integer of 3 to 10 carbon atoms and polycarbonate diols having a structural unit derived from a diol having a linear structure with an odd number of 3 to 9 carbon atoms, and the polyhydric alcohol contains a polyhydric alcohol having at least three or more active hydrogens. |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR LAUNDERING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF TEXTILES OR THE LIKE WALL, FLOOR OR LIKE COVERING MATERIALS, e.g. LINOLEUM,OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF AFIBROUS WEB COATED WITH A LAYER OF MACROMOLECULARMATERIAL |
| title | AQUEOUS POLYURETHANE RESIN, SURFACE TREATMENT AGENT, AND LEATHER SURFACE-TREATED WITH THE SAME |
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