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Global Cycles: Plastic

Global Cycles: Plastic . Carrie Welker and Haiyan Fu November 8, 2011. Plastic: definition, history and production. Definition: a synthetic polymer capable of being molded into various shapes or films History:

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Global Cycles: Plastic

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  1. Global Cycles:Plastic Carrie Welker and Haiyan Fu November 8, 2011

  2. Plastic: definition, history and production Definition: a synthetic polymer capable of being molded into various shapes or films History: first plastic in 1862. production took off during mid 1900s. Many new plastics developed. Production: Most plastics made from petroluem monomer  polymers

  3. Global Plastic Cycle Raw Materials (mostly petroleum, plant materials…) 250 million tons per year Plastics In process/ Use Landfills and Incinerated Recycled ~ 10 % Exported

  4. Plastic Residence Time (U.S. 2006 data only) Res. Time = amount in resevoir ÷ flux in = 240 million tons ÷ 55 million tons/year = 4.36 years

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