Rappler; Tupperware Brands Corp. and some of its subsidiaries filed for Chapter 11 bankruptcy protection on Tuesday, September 17, giving in to dwindling demand for its once-iconic food storage containers and mounting financial losses. The company’s struggles resumed after a short-lived pandemic boost, when increased home cooking briefly drove demand for its colorful, airtight plastic containers. A post-pandemic jump in costs of raw materials such as plastic resin, as well as labor and freight, further…