• 专利标题:   Preparation of silver nanowire/graphene-polymer composite thin-film involves mixing modified graphene, sodium citrate and silver nitrate-dimethyl formamide aqueous solution, reacting, centrifuging, adding polymer and dispersing.
  • 专利号:   CN104927073-A
  • 发明人:   WANG T, WANG Y, ZHANG C, ZHANG Z, ZHU X
  • 专利权人:   LINZHOU TSINGHUA HONGQIQU NEW MATERIAL
  • 国际专利分类:   B82Y040/00, C01B031/04, C08J005/18, C08K003/04, C08K003/08, C08L029/04, C08L033/02, C08L033/26, C08L071/02, C08L079/02
  • 专利详细信息:   CN104927073-A 23 Sep 2015 C08J-005/18 201623 Pages: 8 Chinese
  • 申请详细信息:   CN104927073-A CN10298820 03 Jun 2015
  • 优先权号:   CN10298820

▎ 摘  要

NOVELTY - Preparation of silver nanowire/graphene-polymer composite thin-film involves preparing aqueous solution of graphene oxide colloid, modifying using poly diallyl dimethyl ammonium chloride, uniformly mixing sodium citrate and silver nitrate-dimethyl formamide aqueous solution, adding modified graphene oxide colloid, stirring, reacting, adding sodium citrate and ascorbic acid as reducing agent, washing, centrifuging, obtaining silver nanowire-graphene hybrid, adding aqueous solution of polymer, stirring, dispersing, cooling, placing in water bath and leaving still. USE - Preparation of silver nanowire/graphene-polymer composite thin-film (claimed). ADVANTAGE - The method enables preparation of silver nanowire/graphene-polymer composite thin-film having excellent recyclability, by environmentally-friendly process. DETAILED DESCRIPTION - Preparation of silver nanowire/graphene-polymer composite thin-film involves preparing aqueous solution of graphene oxide colloid, modifying using poly diallyl dimethyl ammonium chloride, uniformly mixing sodium citrate and silver nitrate-dimethyl formamide aqueous solution, adding poly diallyl dimethyl ammonium chloride-modified graphene oxide, ultrasonically processing for 30 minutes, magnetically stirring for 10-12 hours, reacting at 130 degrees C for 3 hours, adding sodium citrate and ascorbic acid as reducing agent, washing, centrifuging, obtaining silver nanowire-graphene hybrid, adding aqueous solution of polymer, stirring, ultrasonically dispersing, cooling to room temperature, placing in water bath at 40-80 degrees C and leaving still for predetermined hours.