• 专利标题:   Antibacterial film used for antibacterial packaging, prepared by taking reducing graphene oxide-molybdenum disulfide-silver ternary antibacterial compound and glycerol, and adding to carboxymethyl cellulose by solution spreading method.
  • 专利号:   CN112175246-A
  • 发明人:   YU Y, WANG S, LI J
  • 专利权人:   UNIV NANJING TECHNOLOGY
  • 国际专利分类:   B65D065/38, C08J005/18, C08K013/02, C08K003/04, C08K003/08, C08K003/30, C08K005/053, C08L001/28
  • 专利详细信息:   CN112175246-A 05 Jan 2021 C08L-001/28 202120 Pages: 8 Chinese
  • 申请详细信息:   CN112175246-A CN11161187 27 Oct 2020
  • 优先权号:   CN11161187

▎ 摘  要

NOVELTY - Antibacterial film is prepared by taking reducing graphene oxide-molybdenum disulfide-silver (rGO-MoS2-Ag) ternary antibacterial compound as nanofiller and glycerol as plasticizer, adding to carboxymethyl cellulose by solution spreading method to produce the product with strong tensile strength and antibacterial properties. USE - The antibacterial film is used for antibacterial packaging (claimed) for antibacterial food packaging material. ADVANTAGE - The antibacterial film improves the mechanical properties of the carboxymethyl cellulose biopolymer membrane, adjusts light transmittance, and provides stronger antibacterial activity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing the antibacterial film, involving (i) slowly dissolving carboxymethyl cellulose in ultrapure water under vigorous stirring, dripping glycerol as a plasticizer, heating at 75-105 degrees C, maintaining for 20-40 minutes to ensure that the carboxymethyl cellulose is completely dissolved, (ii) dissolving reducing graphene oxide-molybdenum disulfide-silver nanocomposite material in ultrapure water, homogenizing with a high-speed shear homogenizer, adding to carboxymethyl cellulose solution and mixing while stirring, and (iii) gradually heating the mixed solution under action of a magnetic stirrer, uniformly casting on a glass plate after the solution boils, and placing in a fume hood to dry.