• 专利标题:   Modified phenolic resin-based sleeve pipe graphene repair material used in oil field development comprises phenol resin, diluent, graphene, and cross-linking initiator.
  • 专利号:   CN116102845-A
  • 发明人:   WANG K, GU C, CHENG B, LU W, LI C, SUN Y, YANG L, WANG X, LI Q, GUO G
  • 专利权人:   PETROCHINA CO LTD
  • 国际专利分类:   C08K003/04, C08K009/02, C08L061/06
  • 专利详细信息:   CN116102845-A 12 May 2023 C08L-061/06 202350 Chinese
  • 申请详细信息:   CN116102845-A CN11324829 10 Nov 2021
  • 优先权号:   CN11324829

▎ 摘  要

NOVELTY - Modified phenolic resin based sleeve pipe graphene of the modified material, comprises 70-95 pts. wt. phenolic resin, 1-20 pts. wt. diluent, 1-5 pts. wt. graphene, and 1-5 pts. wt. cross-linking initiator. USE - The modified phenolic resin based sleeve pipe graphene of the modified material is used in oil field development, sleeve pipe and reinforcing operation after deformation. ADVANTAGE - The modified phenolic resin based sleeve pipe graphene repairing material has high strength, high modulus, hydrolysis resistance, corrosion resistance, long-term stability, wide raw material source and good application prospect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing modified phenolic resin based sleeve pipe graphene of the modified material, comprising (1) mixing the prescription amount of phenolic resin with diluting agent, stirring uniformly, (2) adding prescription amount of graphene, stirring uniformly, (3) adding crosslinking initiator, stirring uniformly, and (4) sealing the material, placing in the oven, the temperature of the oven is 50-90 ℃, reacting for 2-20 hours to obtain the product.