意大利的捷赫诺基米卡公司研制出一种聚四氟乙烯酒瓶塞,是在普通酒瓶塞表面覆盖一层杜邦公司生产的特氟隆(聚四氟乙烯)聚合物的微细粉末。光滑的、为起化学作用的聚合物酒瓶塞 Italy’s Tekhnoki Mika developed a PTFE wine bottle stopper, which is covered with a layer of fine powder of Teflon (polytetrafluoroethylene) polymer produced by DuPont on the surface of a common bottle stopper. Smooth, chemically-activated polymer wine stopper