• 专利标题:   Graphene melt-blown cloth useful in high-performance mask, comprises hydroxylated graphene, activated carbon containing hydroxy functional groups, antibacterial particles, and polypropylene materials.
  • 专利号:   CN113186653-A
  • 发明人:   SUN L, SHEN Y, ZHANG N
  • 专利权人:   JIAXING HUAYAN NEW MATERIAL CO LTD
  • 国际专利分类:   A41D013/11, A41D031/02, A41D031/10, A41D031/12, A41D031/30, C01B032/19, C01B032/198, C01B032/372, D01F001/10, D01F006/46, D04H001/544, D04H001/56
  • 专利详细信息:   CN113186653-A 30 Jul 2021 D04H-001/544 202177 Pages: 15 Chinese
  • 申请详细信息:   CN113186653-A CN10457695 27 Apr 2021
  • 优先权号:   CN10457695

▎ 摘  要

NOVELTY - Graphene melt-blown cloth comprises 0.05-0.25 wt.% hydroxylated graphene, 0.5-2.5wt.% activated carbon containing hydroxy functional groups, 0.3-1 wt.% antibacterial particles, and polypropylene materials (remaining amount). USE - The cloth useful in high-performance masks (claimed). ADVANTAGE - The graphene melt blown cloth has a small amount of graphene, good biocompatibility, low manufacturing cost, high mechanical strength, strong adsorption and antibacterial ability. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) manufacturing the graphene melt blown cloth, comprising (a) mixing the hydroxylated graphene, hydroxy functional group-containing activated carbon and polypropylene material uniformly to prepare mixture A, (b) adding a specific amount of antibacterial particles into the mixture-A and mixing evenly to obtain the meltblown cloth material-B, (c) adding the meltblown cloth material-B into the screw extruder for melting treatment, and the screw extruder has 4 zones with increasing temperature, setting the temperature of each zone to the required value of the process, maintaining for 30 minutes, and using the metering pump to send the melt obtained by melting to the spinneret assembly, and (d) turning on the main machine, fan and receiving net curtain in turn, blowing the hot air from the fan, normally spraying the melt blown cloth, turning on the winding roller and the electret voltage, winding and forming by the winding roller into a shape; and (2) mask, comprising a skin-friendly layer, an inner water-absorbing layer, a bacteriostatic adsorption layer, an outer molding layer, and an outer waterproof layer. the antibacterial adsorption layer is made of the graphene melt blown cloth.