• 专利标题:   Aqueous graphene steel structure anti-rust coating useful for protecting metal surface, comprises e.g. water, bentonite, multifunction additives, dispersant, aqueous wetting agent, zinc phosphate, mica powder, barium sulfate, emulsion, substrate wetting agent, sodium nitrite, and thickening agent.
  • 专利号:   CN114350212-A
  • 发明人:   JIANG Y, WANG Y, LIU E, LIU L
  • 专利权人:   XIAMEN SHANTIAN CONGDA COATING CO LTD
  • 国际专利分类:   C09D125/14, C09D005/08, C09D007/61
  • 专利详细信息:   CN114350212-A 15 Apr 2022 C09D-125/14 202255 Chinese
  • 申请详细信息:   CN114350212-A CN10047678 17 Jan 2022
  • 优先权号:   CN10047678

▎ 摘  要

NOVELTY - Aqueous graphene steel structure anti-rust coating comprises 16.7-17.1 pts. wt. water, 0.148-0.151 pts. wt. bentonite, 0.195-0.205 pts. wt. multifunctional additives, 0.48-0.505 pts. wt. dispersant, 0.145-0.152 pts. wt. aqueous wetting agent, 0.145-0.152 pts. wt. defoaming agent, 9.75-10.25 pts. wt. iron oxide red powder, 4.5-5.2 pts. wt. zinc phosphate, 3.5-4.35 pts. wt. talc, 7.8-8.25 pts. wt. mica powder, 8.2-8.65 pts. wt. precipitated barium sulfate, 39.5-41 pts. wt. emulsion,, 0.009-0.014 pts. wt. graphene, 0.18-0.23 pts. wt. bactericide, 2.1-2.4 pts. wt. alcohol ester, 0.8-1.2 pts. wt. alcohol, 0.145-0.155 pts. wt. antifoaming agent, 0.09-0.12 pts. wt. substrate wetting agent, 1.85-2.2 pts. wt. 10% sodium nitrite, 0.48-0.52 pts. wt. leveling agent and 0.195-0.21 pts. wt. thickening agent. USE - The aqueous graphene steel structure anti-rust coating is useful for protecting metal surface eroded by chemical or electrochemical corrosion of atmosphere and sea water. ADVANTAGE - The prepared anti-rust coating can efficiently solve the disadvantages of the anti-rust coating treatment, save resources; and improves the environmental protection, improves the adhesion, improve the thermal phenomenon, and improves anti-corrosion effect, stable production and high yield. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a preparation of aqueous graphene steel structure antirust coating comprising (1) preparing 16.7-17.1 pts. wt. water, 0.148-0.151 pts. wt. bentonite, 0.195-0.205 pts. wt. multifunctional additives, 0.48-0.505 pts. wt. dispersant, 0.145-0.152 pts. wt. aqueous wetting agent, 0.145-0.152 pts. wt. defoaming agent, 9.75-10.25 pts. wt. iron oxide red powder, 4.5-5.2 pts. wt. zinc phosphate, 3.5-4.35 pts. wt. talc, 7.8-8.25 pts. wt. mica powder, 8.2-8.65 pts. wt. precipitated barium sulfate, 39.5-41 pts. wt. emulsion,, 0.009-0.014 pts. wt. graphene, 0.18-0.23 pts. wt. bactericide, 2.1-2.4 pts. wt. alcohol ester, 0.8-1.2 pts. wt. alcohol, 0.145-0.155 pts. wt. antifoaming agent, 0.09-0.12 pts. wt. substrate wetting agent, 1.85-2.2 pts. wt. 10% sodium nitrite, 0.48-0.52 pts. wt. leveling agent and 0.195-0.21 pts. wt. thickening agent,(2) providing 15-16.5 pts. wt. water, adding to the coating tank, turning on the disperser, adjusting the speed of the disperser to run at a low speed and uniform speed, generally using 100-200r/minute, adding 0.195-0.205 pts. wt. multifunctional auxiliary agent, 0.48-0.505 pts. wt. dispersant, 0.145-0.152 pts. wt. aqueous wetting agent and 0.145-0.152 pts. wt. defoaming agent in sequence, adjusting the rotating speed of the disperser to run at a high speed and uniform speed, generally using 500-600 revolutions/minute, slowly adding 0.148-0.151 pts. wt. bentonite under the high speed and uniform speed operation, and continuously dispersing at a high speed and uniform speed for 5-10 minutes, (3) adding 9.75-10.25 pts. wt. red iron oxide powder, 4.5-5.2 part of zinc phosphate, 3.5-4.35 pts. wt. talc, 7.8-8.25 pts. wt. mica powder and 8.2-8.65 pts. wt. precipitated barium sulfate under high-speed and uniform operation, and continuously dispersing at high speed for 30-35 minutes, (4) adding 0.6-1.7 pts. wt. water to clean the cylinder wall after high-speed and uniform dispersion time, and (5) adjusting the speed of the disperser to be at a medium speed and a constant speed, generally using 280-320 revolutions/minute, adding 39.5-41 pts. wt. emulsion, 0.009-0.014 pts. wt. graphene, 0.18-0.23 pts. wt. bactericide, 2.1-2.4 pts. wt. alcohol ester, 0.8-1.2 pts. wt. alcohol, 0.145-0.155 pts. wt. antifoaming agent, 0.09-0.12 pts. wt. substrate wetting agent, 1.85-2.2 pt. wt. 10% sodium nitrite, 0.48-0.52 pts. wt. leveling agent and 0.195-0.21 pts. wt. thickening agent under the medium-speed and uniform operation, and then dispersing at a medium speed and uniform speed for 5-10 minutes to obtain a finished coating solution, and (6) naturally cooling the prepared finished coating liquid to room temperature, and then injecting the cooled coating liquid into the packaging barrel for packaging and preservation.