http://www.kqed.org/quest/blog/2008/06/19/turning-plastic-bags-into-beautiful-bolsas/ Science, Environment, and Nature in the SF Bay Area Sat, 21 Nov 2009 22:39:48 -0800 http://wordpress.org/?v=2.8.4 hourly 1 http://www.kqed.org/quest/blog/2008/06/19/turning-plastic-bags-into-beautiful-bolsas/comment-page-1/#comment-62412 Aldo Tue, 24 Feb 2009 05:43:31 +0000 http://www.kqed.org/quest/blog/?p=653#comment-62412 Plastics are classified based on their polymer backbone. Just as there are many varieties of plastic, there are several different ways to process plastic. Most plastic bags consist of carbon, nitrogen, oxygen, sulfur, or chlorine. Plastics are classified based on their polymer backbone. Just as there are many varieties of plastic, there are several different ways to process plastic. Most plastic bags consist of carbon, nitrogen, oxygen, sulfur, or chlorine.

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