将聚四氟乙烯(PTFE)超细粉和分散助剂sl-619加入脂类混合溶剂中充分分散,得到悬浊液;加入FEVE树脂和助剂,均匀混合后,就得到可在常温固化的不粘涂料。固化剂的添加量为涂料全量质量的2%。讨论了PTFE超细粉和氟硅烷的加入量对不粘性的影...将聚四氟乙烯(PTFE)超细粉和分散助剂sl-619加入脂类混合溶剂中充分分散,得到悬浊液;加入FEVE树脂和助剂,均匀混合后,就得到可在常温固化的不粘涂料。固化剂的添加量为涂料全量质量的2%。讨论了PTFE超细粉和氟硅烷的加入量对不粘性的影响,PTFE超细粉和氟硅烷的最佳含量分别为涂料全量质量的7.7%和14.3%。不粘涂料的疏水角可达到122(°),表面能为10.6 m J/m2,同时具有较好的附着力(为1级)和硬度(为4H),涂层具有耐腐蚀和耐化学性等性质。展开更多
Per-and polyfluoroalkyl substances(PFASs)are highly persistent micropollutants that are used in a wide range of consumer products,including nonstick cookware,personal care items,and firefighting foams[1,2].The detecti...Per-and polyfluoroalkyl substances(PFASs)are highly persistent micropollutants that are used in a wide range of consumer products,including nonstick cookware,personal care items,and firefighting foams[1,2].The detection of these molecules in groundwater and surface water correlates with documented adverse health effects in mammals[3,4].展开更多
文摘将聚四氟乙烯(PTFE)超细粉和分散助剂sl-619加入脂类混合溶剂中充分分散,得到悬浊液;加入FEVE树脂和助剂,均匀混合后,就得到可在常温固化的不粘涂料。固化剂的添加量为涂料全量质量的2%。讨论了PTFE超细粉和氟硅烷的加入量对不粘性的影响,PTFE超细粉和氟硅烷的最佳含量分别为涂料全量质量的7.7%和14.3%。不粘涂料的疏水角可达到122(°),表面能为10.6 m J/m2,同时具有较好的附着力(为1级)和硬度(为4H),涂层具有耐腐蚀和耐化学性等性质。
基金supported by the National Natural Science Foundation of China(22176080 and 22274062)Natural Science Foundation of Shandong Province(ZR2023YQ015)+1 种基金Key R&D Program of Shandong Province(2024TSGC0824)the Taishan Scholar Project of Shandong Province(tsqn202312216).
文摘Per-and polyfluoroalkyl substances(PFASs)are highly persistent micropollutants that are used in a wide range of consumer products,including nonstick cookware,personal care items,and firefighting foams[1,2].The detection of these molecules in groundwater and surface water correlates with documented adverse health effects in mammals[3,4].
