• 专利标题:   Preparing graphene oxide in situ reinforced nylon 6 composite material, comprises e.g. mixing graphene oxide dispersion with caprolactam and aminocaproic acid in tubular heating furnace, passing argon gas, reacting, and cooling.
  • 专利号:   CN115477843-A
  • 发明人:   ZHAO X, JIA S, HE X, PENG Q
  • 专利权人:   HARBIN INST TECHNOLOGY
  • 国际专利分类:   C08G069/16, C08K003/04, C08L077/02
  • 专利详细信息:   CN115477843-A 16 Dec 2022 C08L-077/02 202312 Chinese
  • 申请详细信息:   CN115477843-A CN11146406 20 Sep 2022
  • 优先权号:   CN11146406

▎ 摘  要

NOVELTY - Preparing graphene oxide in situ reinforced nylon 6 composite material, comprises (i) preparing graphene oxide dispersion, (ii) calculating and weighing synthetic nylon 6 monomer caprolactam and catalyst aminocaproic acid, (iii) mixing the graphene oxide dispersion with the synthetic nylon 6 raw material and the catalyst uniformly, and (iv) adding the mixed solution obtained in step (iii) into a tubular heating furnace, continuously passing argon gas at a certain rate for about 1 hour to remove the air in the reaction furnace, maintaining the continuous passing of argon gas, starting the heating furnace, reacting at 180 ℃ for 2 hours, heating at 260 ℃ for 3 hours, cooling down to 240 ℃ for 15 hours, stop heating, continuously passing argon gas until the sample temperature drops below 50 ℃, and taking out to obtain the graphene oxide in situ reinforced nylon 6 composite material. USE - The method is useful in the technical field of resin-based composite material production. ADVANTAGE - The method reduces the agglomeration phenomenon of graphene oxide by uniformly dispersing graphene oxide in nylon 6 monomer, and is excellent for improving the reinforcing effect of graphene oxide on nylon 6; has simple preparation process, and the amount of graphene oxide added is controllable.