• 专利标题:   Organic pigment surface coating comprises graphene oxide aqueous solution, prepared by contacting chemically reduced graphene oxide aqueous solution with organic pigment dispersed in water.
  • 专利号:   CN108912736-A
  • 发明人:   WU H, GUO S
  • 专利权人:   UNIV SHANGHAI JIAOTONG
  • 国际专利分类:   C09B067/08, C09D007/41, C09D011/037, C09D011/322
  • 专利详细信息:   CN108912736-A 30 Nov 2018 C09B-067/08 201905 Pages: 6 Chinese
  • 申请详细信息:   CN108912736-A CN10584817 06 Jun 2018
  • 优先权号:   CN10584817

▎ 摘  要

NOVELTY - Organic pigment surface coating comprises graphene oxide aqueous solution, prepared by contacting the chemically reduced graphene oxide aqueous solution with an organic pigment dispersed in water to achieve surface coating of the organic pigment, which is a product of graphene oxide or chemically reduced graphene oxide coated organic pigment, is claimed. USE - The graphene oxide and graphene coated organic pigment particles is useful in preparing aqueous printing ink and aqueous coatings (claimed). ADVANTAGE - The coating: utilizes the hydrophobic part of graphene oxide substrate, preferably benzene ring structure, which undergoes pi-pi interaction; has good dispersing property and heat resistance in an aqueous solvent due to graphene oxide substrate hydrophilic group. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for graphene oxide or chemically reduced graphene oxide coated organic pigment particles prepared by the above method, having higher hydrophilicity and thermal stability.