• 专利标题:   Preparation of stable suspension of graphene oxide nanoparticles and carbon nanotubes used for producing composite material, involves adding potassium dichromate in sulfuric acid, graphene nanoparticle and water, adding ethanol to carbon nanotubes and adding mixture to suspension.
  • 专利号:   CN115474419-A
  • 发明人:   TIMOFEEVICH C N, IVANOVICH S Y, ALEKSEEVNA I E, PETROVIC G P, MIROSLAV L O, NIKOLAYEVICH M S, LI T, WANG B, DING A, WANG D
  • 专利权人:   NINGBO SINO UKRAINIAN NEW MATERIALS IND
  • 国际专利分类:   B82Y040/00, C09D005/24, H05K009/00
  • 专利详细信息:   CN115474419-A 13 Dec 2022 H05K-009/00 202310 Chinese
  • 申请详细信息:   CN115474419-A CN10636230 07 Jun 2022
  • 优先权号:   UA006335

▎ 摘  要

NOVELTY - Preparation of stable suspension of graphene oxide nanoparticles and carbon nanotubes involves preparing graphene nanoparticles with a size of 70-150 nm, adding 0.7 g potassium dichromate in 96-98 wt.% sulfuric acid, adding 1 g graphene nanoparticle and water for diluting to an acidity of 5.5 pH, dispersing the graphene oxide nanoparticle suspension in an ultrasonic disperser for 1 minute, adding 0.5 ml ethanol to the carbon nanotubes, adding the mixture to the suspension and dispersing for 5 minutes. The suspension comprises the graphene oxide nanoparticles and carbon nanotubes. USE - Preparation of stable suspension of graphene oxide nanoparticles and carbon nanotubes used for manufacturing composite material for shielding electromagnetic radiation, preventing radio interference, developing antistatic and anti-friction coating, manufacturing temperature, pressure and humidity sensors. ADVANTAGE - The method provides stable high-conductivity carbon nanotube suspension for a long time without adding surfactant. The suspension is stable for three days.