• 专利标题:   Preparing corrosion resistant coating useful for e.g. power transmission by adding graphene oxide into water, dispersing coated graphene in water, adding filler, grinding, spraying aqueous epoxy coating on surface of steel structure component and solidifying.
  • 专利号:   CN114989697-A
  • 发明人:   HAN B, LI S
  • 专利权人:   JIANGSU RONGHUI POWER EQUIP MFG CO LTD
  • 国际专利分类:   C09D163/00, C09D005/10, C09D007/62
  • 专利详细信息:   CN114989697-A 02 Sep 2022 C09D-163/00 202292 Chinese
  • 申请详细信息:   CN114989697-A CN10671324 14 Jun 2022
  • 优先权号:   CN10671324

▎ 摘  要

NOVELTY - Preparing corrosion resistant coating comprises (a) adding the graphene oxide into water, adding hexadecyl trimethyl ammonium bromide to stir, adding tetraethyl orthosilicate at room temperature, raising the temperature, centrifuging, separating, drying, heat reducing, cooling to obtain coated graphene, (b) dispersing the coated graphene in water, adding γ-glycidyl ether propyl trimethoxy silane under high speed stirring, allowing to stand at room temperature, filtering, washing, drying, adding aqueous epoxy resin emulsion, adding filler under stirring state, grinding, obtaining the premix and (c) adding aqueous epoxy curing agent the premix, defoaming to obtain the aqueous epoxy coating, cleaning the steel structure component for power transmission and transformation iron tower, drying, spraying aqueous epoxy coating on the surface of the steel structure component after drying and solidifying to obtain corrosion resistant coating for power transmission and transformation iron tower. USE - The coating is useful for power transmission and transformation iron tower (claimed). ADVANTAGE - The coating: enables to prepare corrosion resistant coating for power transmission and transformation iron tower, which has excellent corrosion resistance and has excellent dispersion performance in the system. DETAILED DESCRIPTION - Preparing corrosion resistant coating comprises (a) adding the graphene oxide into water for ultrasonic treatment for 2-4 hours, where the ultrasonic frequency is 20-30 kHz, adjusting the pH value of the system to 8-10, adding hexadecyl trimethyl ammonium bromide to stir for 1-2 hours, where the stirring temperature is 60-80℃, adding tetraethyl orthosilicate at room temperature, stirring for 2-6 hours, raising the temperature to 80-100℃ for 5-10 hours under hot reflux, centrifuging, separating, drying, heat reducing at 400-500℃ under the protection of nitrogen, cooling to room temperature to obtain coated graphene, (b) dispersing the coated graphene in water, adding γ-glycidyl ether propyl trimethoxy silane under high speed stirring, continuously stirring for 10-20 hours, allowing to stand at room temperature, filtering, washing, drying, adding aqueous epoxy resin emulsion to stir for 1-2 hours under stirring state, adding filler under stirring state, grinding, adding water to stir for 10-30 hours, obtaining the premix and (c) adding aqueous epoxy curing agent to the premix, continuously stirring for 1-2 hours, defoaming to obtain the aqueous epoxy coating, cleaning the steel structure component for power transmission and transformation iron tower, drying, spraying the aqueous epoxy coating on the surface of the steel structure component after drying and solidifying to obtain corrosion resistant coating for power transmission and transformation iron tower. An INDEPENDENT CLAIM is also included for a corrosion resistant coating for power transmission and transformation iron tower, which is prepared by above method.