• 专利标题:   Multi-response shape memory polyurethane material for preparing flexible sensor, comprises thermoplastic polyurethane, acrylic acid cross-linked resin, nano-reinforced material, nanoconductive material, organic antibacterial material.
  • 专利号:   CN112239593-A
  • 发明人:   XIAO X, WU G, BAO L
  • 专利权人:   SHENZHEN XINGYUAN TECHNOLOGY CO LTD
  • 国际专利分类:   C08K003/04, C08K005/32, C08L001/28, C08L033/02, C08L075/04, D01F001/09, D01F001/10, D01F006/94, G01B007/16
  • 专利详细信息:   CN112239593-A 19 Jan 2021 C08L-075/04 202123 Pages: 16 Chinese
  • 申请详细信息:   CN112239593-A CN10652718 19 Jul 2019
  • 优先权号:   CN10652718

▎ 摘  要

NOVELTY - Multi-response shape memory polyurethane material comprises 6.0-10.0 wt.% thermoplastic polyurethane, 0.5-1.0 wt.% acrylic acid cross-linked resin, 0.1-1.0 wt.% nano-reinforced material, 0.2-1.0 wt.% nanoconductive material, 0.1-0.6 wt.% organic antibacterial material and rest is solvent. USE - Multi-response shape memory polyurethane material used for preparing flexible sensor and conductive textiles (all claimed). ADVANTAGE - The multi-response shape memory polyurethane material has excellent shape memory function, water, pH, electric stimulation response performance, good conductive performance, antibacterial performance, expands the stimulation response range of shape memory polyurethane material, satisfies the application requirement of the multifunctional flexible sensor, widens the application range of the shape memory polyurethane material and improves the polyurethane material by each component. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for prearing a multi-response shape memory polyurethane material, which involves obtaining nano-conductive materials and a solvent, and dispersing the nano-conductive materials in the solvent to obtain a dispersion of nano-conductive materials, obtaining thermoplastic polyurethane, acrylic cross-linked resin, and nano-reinforced material, and dispersing the thermoplastic polyurethane, the acrylic cross-linked resin, and the nano-reinforced material in the solvent to obtain a mixed solution, adding the dispersion liquid of the nano conductive material to the mixed liquid, and stirring treatment to obtain a conductive shape memory polyurethane dispersion, obtaining an organic antibacterial material, add the organic antibacterial material to the conductive shape memory polyurethane dispersion, and dispersing processing to obtain a multi-response shape memory polyurethane material with antibacterial properties; (2) a method for prearing a flexible sensor, which involves pouring multiple response shape memory polyurethane material into a mold, curing for 40-60 hours at a temperature of 75-90 degrees C to obtain a conductive polyurethane film, and making a flexible sensor through a hot pressing process; and (3) a method for preparing conductive textile, which involves using a wet spinning process to the multiple response shape memory polyurethane material is made of shape memory polyurethane fiber, where the conductive textile includes the shape memory polyurethane fiber.