$Westlake Chemical (WLK)$ 8-K - Current report Filed: 2016-08-31 AccNo: 0001193125-16-697969 Size: 43 KBItem 2.01: Completion of Acquisition or Disposition of AssetsItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 8.01: Ot 网页链接