Water-borne hyperbranched structure modified polyurethane polymer and preparation method thereof, and self-repair diffuse reflection coating composition
The invention discloses a water-borne hyperbranched structure modified polyurethane polymer and a preparation method thereof, and a self-repair diffuse reflection coating composition. The preparationof the polymer comprises the following steps: performing reduced pressure vacuumization on aliphatic...
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| creator | BAI YONGPING LI XIAQIAN YIN XIAOFEN YUE LIPEI LI WEIDONG |
| description | The invention discloses a water-borne hyperbranched structure modified polyurethane polymer and a preparation method thereof, and a self-repair diffuse reflection coating composition. The preparationof the polymer comprises the following steps: performing reduced pressure vacuumization on aliphatic polyether diol and aliphatic polyester glycol at a temperature of 90-150 DEG C, cooling to 60-90 DEG C, and adding a catalyst and aliphatic diisocyanate; adding a hydrophilic chain extender for reacting for 1-3 hours; adding a hydroxy-terminated hyperbranched polymer, and reacting for 1-2 hours; adding a hydrophilic chain extender, and reacting for 1-2 hours; cooling to a normal temperature, and adding a neutralizer to regulate the pH value to 7-9; adding a sulfonate hydrophilic chain extenderand deionized water for reacting for 0.5-1 hour, thereby obtaining the water-borne hyperbranched structure modified polyurethane polymer. The self-repair diffuse reflection coating composition disclosed by the invention compri |
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The preparationof the polymer comprises the following steps: performing reduced pressure vacuumization on aliphatic polyether diol and aliphatic polyester glycol at a temperature of 90-150 DEG C, cooling to 60-90 DEG C, and adding a catalyst and aliphatic diisocyanate; adding a hydrophilic chain extender for reacting for 1-3 hours; adding a hydroxy-terminated hyperbranched polymer, and reacting for 1-2 hours; adding a hydrophilic chain extender, and reacting for 1-2 hours; cooling to a normal temperature, and adding a neutralizer to regulate the pH value to 7-9; adding a sulfonate hydrophilic chain extenderand deionized water for reacting for 0.5-1 hour, thereby obtaining the water-borne hyperbranched structure modified polyurethane polymer. 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The preparationof the polymer comprises the following steps: performing reduced pressure vacuumization on aliphatic polyether diol and aliphatic polyester glycol at a temperature of 90-150 DEG C, cooling to 60-90 DEG C, and adding a catalyst and aliphatic diisocyanate; adding a hydrophilic chain extender for reacting for 1-3 hours; adding a hydroxy-terminated hyperbranched polymer, and reacting for 1-2 hours; adding a hydrophilic chain extender, and reacting for 1-2 hours; cooling to a normal temperature, and adding a neutralizer to regulate the pH value to 7-9; adding a sulfonate hydrophilic chain extenderand deionized water for reacting for 0.5-1 hour, thereby obtaining the water-borne hyperbranched structure modified polyurethane polymer. 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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | Water-borne hyperbranched structure modified polyurethane polymer and preparation method thereof, and self-repair diffuse reflection coating composition |
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