Mylar (n.)youdaoicibaDictYouDict[Mylar 词源字典]
proper name for a polyester film, 1954, trademarked by E.I. Du Pont de Nemours and Co., Wilmington, Delaware, U.S.A. Like many Du Pont names, it doesn't mean anything, they just liked the sound.[Mylar etymology, Mylar origin, 英语词源]