▎ 摘　　要

NOVELTY - Preparing wear-resistant and tear-resistant finishing auxiliary agent comprises preparing zirconia composite graphene oxide, preparing finishing auxiliary agent resin component, and preparing a finishing auxiliary agent, where the step of preparing zirconia composite graphene oxide comprises mixed calcining and post-treatment, the method of mixed calcination is as follows: evenly mixing zirconia powder, graphene oxide powder and sodium bromide, and grinding to 400-800 mesh to obtain the mixed powder in a nitrogen atmosphere, controlling the temperature rise rate to 4-5℃/minutes, heating to 1220-1270℃, calcining the mixed powder at this temperature, where the calcination time is 415-435 minutes, and cooling to obtain a calcined powder, where the mass ratio of the zirconia powder, graphene oxide powder, and sodium bromide is 25-35:155-185:8-10. USE - The method is useful for preparing wear-resistant and tear-resistant finishing auxiliary agent, which is useful for leather. ADVANTAGE - The method prepares wear-resistant coating auxiliary agent that improves low temperature bending resistance of the leather. DETAILED DESCRIPTION - Preparing wear-resistant and tear-resistant finishing auxiliary agent useful for leather, comprises preparing zirconia composite graphene oxide, preparing finishing auxiliary agent resin component, and preparing a finishing auxiliary agent, where the step of preparing zirconia composite graphene oxide comprises mixed calcining and post-treatment, the method of mixed calcination is as follows: evenly mixing zirconia powder, graphene oxide powder and sodium bromide, and grinding to 400-800 mesh to obtain the mixed powder in a nitrogen atmosphere, controlling the temperature rise rate to 4-5℃/minutes, heating to 1220-1270℃, calcining the mixed powder at this temperature, where the calcination time is 415-435 minutes, and cooling to obtain a calcined powder, where the mass ratio of the zirconia powder, graphene oxide powder, and sodium bromide is 25-35:155-185:8-10. The post-treatment method is to mix the calcined powder with deionized water, controlling the ultrasonic frequency to 55-60kHz, and conduct ultrasonic for 30-40 minutes, filtering, drying the filter residue, and crushing to obtain zirconia composite graphene oxide. The step of preparing the coating auxiliary agent resin component comprises preliminary mixing and grinding, and secondary mixing. The method of preliminary mixing and grinding is as follows: mixing polyacrylate resin, zirconia composite graphene oxide, and sodium lauryl sulfate, grinding, and defoaming to obtain grinding slurry, where the mass ratio of the polyacrylate resin, zirconia composite graphene oxide, and sodium lauryl sulfate is 1270-1430:2.5-3.5:13-15. The method of the secondary mixing is to mix the grinding slurry, epoxy resin and polyurethane resin, and controlling the stirring speed to 920-970 revolutions/minute, stirring for 70-85 minutes, and obtaining coating auxiliary agent resin component, where the mass ratio of the grinding slurry, epoxy resin, and polyurethane resin is 110-130:40-50:135-165. The method for preparing the finishing auxiliary agent is as follows: mixing the resin component of the finishing auxiliary agent and chlorinated paraffin, controlling the temperature to 75-85℃, controlling the stirring speed to 610-650 revolutions/minute, stirring for 55-43 minutes, adding deionized water, thermally insulating at temperature constant, adjusting stirring speed to 800-900 revolutions/minute, stirring for 55-70 minutes, adding polydimethylsiloxane, fatty alcohol polyoxyethylene ether, and sodium polyacrylate, thermally insulating the temperature constant, adjusting the stirring speed to 1100-1200 revolutions/minute, stirring for 55-70 minutes, and obtaining finishing auxiliary agent comprising 240-260 pts. wt. coating auxiliary agent resin component, 11-13 pts. wt. chlorinated paraffin, 2.5-3.5 pts. wt. polydimethylsiloxane, 1.8-2.2 pts. wt. fatty alcohol polyoxyethylene ether, 2.5-3.5 pts. wt. sodium polyacrylate, and 320-380 pts. wt. deionized water.