• 专利标题:   Coating used in preventing wax formation in crude oil pipeline, comprises polymer resin, organic solvent, curing agent, silicone resin microspheres and carbon materials having graphene, graphene oxide, aminated graphene or carbon nanotubes.
  • 专利号:   CN111978769-A
  • 发明人:   YAO B, LI C, YANG F, SUN G
  • 专利权人:   UNIV CHINA PETROLEUM EAST CHINA
  • 国际专利分类:   C09D004/02, C09D004/06, C09D005/24, C09D007/62, C09D007/65, F16L053/37, F17D001/18
  • 专利详细信息:   CN111978769-A 24 Nov 2020 C09D-004/06 202101 Pages: 12 Chinese
  • 申请详细信息:   CN111978769-A CN10952301 11 Sep 2020
  • 优先权号:   CN10952301

▎ 摘  要

NOVELTY - Coating comprises 80-100 parts mass polymer resin, 10-20 parts mass organic solvent, 20-30 parts mass curing agent, 1-10 parts mass silicone resin microspheres and 5-10 parts mass carbon materials comprising graphene, graphene oxide, aminated graphene, conductive carbon powder and/or carbon nanotubes, where the average particle size of the carbon material is 30-500 nm. USE - The coating is useful in preventing wax formation in crude oil pipeline. ADVANTAGE - The coating has excellent electrical and thermal conductivity, and inhibits wax precipitation, and solves the problem of wax deposition. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing the coating, involving mixing the above-mentioned components to obtain the coating; and (2) a method for preventing wax formation in crude oil pipelines, involving coating the above-mentioned coating on an inner wall surface of a crude oil transportation pipeline, and curing to form a coating on the inner wall surface, and applying 6-60 V voltage to both ends of the crude oil pipeline.