• 专利标题:   Preparing polyetheretherketone flexible sensing array, comprises e.g. reacting polyvinyl alcohol, polyvinylidene fluoride, polychlorotrifluoroethylene and graphene, heating, and screen printing on polyetheretherketone fabric surface.
  • 专利号:   CN110453513-A
  • 发明人:   LAN B
  • 专利权人:   TAICANG BIQI NEW MATERIALS RES DEV CO
  • 国际专利分类:   C09D011/03, C09D011/106, D06P001/52, D06P001/642, D06P001/673, G01D021/02, G01M013/04
  • 专利详细信息:   CN110453513-A 15 Nov 2019 D06P-001/52 201996 Pages: 7 Chinese
  • 申请详细信息:   CN110453513-A CN10702042 31 Jul 2019
  • 优先权号:   CN10702042

▎ 摘  要

NOVELTY - Preparing polyetheretherketone flexible sensing array, comprises (i) adding 5-10 g (3aR, 8aS, 8bS) -1 3- dibenzyl - -2 hydrogen --- oxo-imidazo (4, 5 - - c) thieno (1, 2-a) sulfonium chloride salt (sic), 5-10 g (3S,7aR)-3-phenyl-6-benzyl-7-hydroxy-imidazo(1,5-c)thiazole-5(1H,3H,6H)-one, 10-20 g polyvinyl alcohol having a weight average molecular weight of 77000, 10-20 g polyvinylidene fluoride having a weight average molecular weight of 21000, 10-20 g polychlorotrifluoroethylene having a weight average molecular weight of 16000, 10-20 g carbon nanotubes and 10-20 g graphene into 300-500 ml tetrahydrofuran, heating at 100-150 degrees C in an high pressure kettle, and cooling to obtain sensing ink, and (ii) screen printing the array pattern of sensor ink on the surface of polyetheretherketone fabric having a basis weight of 110 g/m2, and then placing in a hot stamping machine and drying at 100-150 degrees C to obtain final product. USE - The sensing array is useful as a gasket sandwiched between inner and outer rings of the aerospace joint bearing. DETAILED DESCRIPTION - Preparing polyetheretherketone flexible sensing array, comprises (i) adding 5-10 g (3aR, 8aS, 8bS) -1 3- dibenzyl - -2 hydrogen --- oxo-imidazo (4, 5 - - c) thieno (1, 2-a) sulfonium chloride salt (sic), 5-10 g (3S,7aR)-3-phenyl-6-benzyl-7-hydroxy-imidazo(1,5-c)thiazole-5(1H,3H,6H)-one, 10-20 g polyvinyl alcohol having a weight average molecular weight of 77000, 10-20 g polyvinylidene fluoride having a weight average molecular weight of 21000, 10-20 g polychlorotrifluoroethylene having a weight average molecular weight of 16000, 10-20 g carbon nanotubes and 10-20 g graphene into 300-500 ml tetrahydrofuran, heating at 100-150 degrees C in an high pressure kettle, and cooling to obtain sensing ink, and (ii) screen printing the array pattern of sensor ink on the surface of polyetheretherketone fabric having a basis weight of 110 g/m2, and then placing in a hot stamping machine and drying at 100-150 degrees C to obtain final product, where the array of sensing ink array patterns is 4x 4, the single pattern area is 0.5x 0.5 cm2, and the performance of the polyetheretherketone flexible sensing array having a stress-sense sensing sensitivity of 8.1-9.8, temperature sensing sensitivity of -1.83x 10-3 to 1.11x 10-3 K-1, and humidity sensing sensitivity of 991-1104%.