DDegradable plasticDegradable plasticde William P. WeizerMateriasUnited StatesPlastic scrapMarket surveysBiodegradable plasticsPlastics industry and tradeEdiciones (1)Degradable plastics (1997)Freedonia Group · inglésMás obras de William P. WeizerNNatural polymersNatural polymersEEngineered plasticsEngineered plasticsPPolypropylenePolypropylene