• 专利标题:   Preparing graphene quantum dot doped adsorption resin used in separation and purification of plant polysaccharide, by mixing polyvinyl alcohol, sodium lauryl sulfate and water, mixing with aqueous phase mixture, adding graphene quantum dots to oil-water mixed liquid, polymerizing and crosslinking.
  • 专利号:   CN113336883-A, CN113336883-B
  • 发明人:   DI D, HUANG D, PEI D
  • 专利权人:   LANZHOU CHEM PHYSICS INST CHINESE ACAD
  • 国际专利分类:   B01J020/26, B01J020/30, C08B037/00, C08F212/08, C08F222/14, C08J009/28, C08K003/04, C08L025/14
  • 专利详细信息:   CN113336883-A 03 Sep 2021 C08F-212/08 202186 Pages: 10 Chinese
  • 申请详细信息:   CN113336883-A CN10659081 15 Jun 2021
  • 优先权号:   CN10659081

▎ 摘  要

NOVELTY - Method for preparing graphene quantum dot doped adsorption resin, involves uniformly mixing polyvinyl alcohol, sodium carbonate, hydroquinone, sodium lauryl sulfate and water to obtain aqueous phase mixture, uniformly mixing aqueous phase mixture, styrene, crosslinking agent, toluene, hydrophobic agent and initiator to obtain oil-water mixture, adding graphene quantum dots to oil-water mixed liquid, passing nitrogen gas, and performing wrapping, polymerization and crosslinking reactions in sequence to obtain graphene quantum dot doped adsorption resin. USE - Method for preparing graphene quantum dot doped adsorption resin used in separation and purification of plant polysaccharide application (claimed). ADVANTAGE - The method improves the mechanical strength and hydrophilicity of adsorption resin, does not damage the pores of adsorption resin, does not affect the enrichment efficiency, exhibits the use of porogen (toluene), crosslinking agent and polyvinyl alcohol, and controls the uniform pore size and macropores of graphene quantum dot doped adsorption resin. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a graphene quantum dot-doped adsorption resin prepared using above-mentioned method, comprising styrene-divinylbenzene polymer and graphene quantum dots wrapped inside styrene-divinylbenzene polymer, where the pore diameter of graphene quantum dot-doped adsorption resin is 50-100 nm.