• 专利标题:   Sterilizing and deodorizing carbon fiber and steel fiber modified polytetrafluoroethylene material comprises e.g. diatomite, polytetrafluoroethylene, carbon fibers, steel fiber, fluorine rubber powder, activated carbon and graphene oxide.
  • 专利号:   CN106084586-A
  • 发明人:   MIAO Z
  • 专利权人:   ANHUI WUHU CHANGJIANG JACKUP EQUIP CO
  • 国际专利分类:   C08K013/06, C08K003/04, C08K003/22, C08K003/34, C08K003/36, C08K007/06, C08K009/02, C08K009/04, C08K009/06, C08L027/12, C08L027/18
  • 专利详细信息:   CN106084586-A 09 Nov 2016 C08L-027/18 201716 Pages: 5 Chinese
  • 申请详细信息:   CN106084586-A CN10452543 22 Jun 2016
  • 优先权号:   CN10452543

▎ 摘  要

NOVELTY - Sterilizing and deodorizing carbon fiber and steel fiber modified polytetrafluoroethylene material comprises e.g. 20-30 pts. wt. diatomite, 80-90 pts. wt. polytetrafluoroethylene, 10-15 pts. wt. carbon fibers, 5-10 pts. wt. steel fiber, 5-10 pts. wt. fluorine rubber powder, 5-10 pts. wt. activated carbon, 1-3 pts. wt. graphene oxide, 5-10 pts. wt. nano titanium dioxide, 30-40 pts. wt. 95% ethanol, acetic acid, 5-10 pts. wt. polyisocyanate JQ-1, 15-20 dimethylformamide, 10-154 pts. wt. dimethylaminopyridine, 15-20 pts. wt. dicyclohexylcarbodiimide, and 90-100 pts. wt.water. USE - Used as sterilizing and deodorizing carbon fiber and steel fiber modified polytetrafluoroethylene material. ADVANTAGE - The polytetrafluoroethylene material has good bonding strength and humidity regulation. DETAILED DESCRIPTION - Sterilizing and deodorizing carbon fiber and steel fiber modified polytetrafluoroethylene material comprises 20-30 pts. wt. diatomite, 80-90 pts. wt. polytetrafluoroethylene, 10-15 pts. wt. carbon fibers, 5-10 pts. wt. steel fiber, 5-10 pts. wt. fluorine rubber powder, 5-10 pts. wt. activated carbon, 1-3 pts. wt. graphene oxide, 5-10 pts. wt. silicone dioxide, 30-40 pts. wt. silane coupling agent KH550, 5-10 pts. wt. nano titanium dioxide, 30-40 pts. wt. 95% ethanol, acetic acid, 5-10 pts. wt. polyisocyanate JQ-1, 15-20 dimethylformamide, 10-154 pts. wt. dimethylaminopyridine, 15-20 pts. wt. dicyclohexylcarbodiimide, and 90-100 pts. wt. water, where the carbon fiber has a median length of 75-150 m, the median length of the steel fibers is 50-150 mu m, and the fluorine rubber powder particle size of 80-200 mesh. An INDEPENDENT CLAIM is also included for preparing polytetrafluoroethylene material comprising (i) adding carbon fiber into 20-25 pts. wt. of 95% ethanol solvent, ultrasonic dispersing, adjusting pH to 4-5 using acetic acid, adding 8-12 pts. wt. of silane coupling agent KH-550, stirring for 8-15 hours, then washing with deionized water and vacuum drying, (ii) oxidizing the graphene oxide to the graphene peroxide in the remaining 95% ethanol solvent by glow discharge plasma technology, (iii) adding the obtained graphene oxide to dimethylformamide, sonicating for 2-3 hours, stirring, 4-dimethylaminopyridine, dicyclohexylcarbodiimide and the obtained carbon fiber in step (i) at room temperature for 18-36 hours, washing with deionized water and drying in vacuum to obtain grafting the gypsum-derived carbon fibers, (iv) the adding fluorine rubber powder to the polyisocyanate JQ-1, mechanical stirring evenly, adding the dry steel fiber, stirring for 1-3 hours, washing with water and drying, (v) mixing grafting the gypsum-derived carbon fibers obtained in step (iii) and resulting mixture of step (iv) and 70-75 pts. wt. of polytetrafluoroethylene in a high-speed mixer, cold forming under air atmosphere and sintering at 360-390 degrees C and molding to obtain plate samples, where plate samples with diameter of 150-250 mm and thickness of 3-4 mm, and (vii) immersing the plate sample in the dipping solution for 4-8 minutes, take out, drying in oven at 80-100 degrees C, sintering in a muffle furnace at a temperature of 120-200 degrees C for 10-30 minutes to obtain final product; the preparation method of the dipping liquid comprising grounding the silicone dioxide, nano titanium dioxide, activated carbon and diatomite in the grinder and dispersing in the water together with the remaining polytetrafluoroethylene and silane coupling agent KH-550 and ultrasonic dispersing to obtain final product.