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Roaming foam may find a home.


The polystyrene polystyrene (pŏl'ēstī`rēn), widely used plastic; it is a polymer of styrene. Polystyrene is a colorless, transparent thermoplastic that softens slightly above 100°C; (212°F;) and becomes a viscous liquid at around 185°C;  foam that helps boat docks stay afloat can break off in large chunks, littering the lakescape and posing a boating hazard. Foam is traditionally very hard to recycle re·cy·cle  
tr.v. re·cy·cled, re·cy·cling, re·cy·cles
1. To put or pass through a cycle again, as for further treatment.

2. To start a different cycle in.

3.
a.
 because it is wet and oily, and often contains metal screws and other items that can damage recycling recycling, the process of recovering and reusing waste products—from household use, manufacturing, agriculture, and business—and thereby reducing their burden on the environment.  machines. Now the Missouri-based company BioSpan Technologies has developed a solvent that dissolves the wet, dirty chunks at a ratio of more than 3 cubic yards of foam per gallon of solvent. The dissolved blend is then mixed with recycled asphalt asphalt (ăs`fôlt, –fălt), brownish-black substance used commonly in road making, roofing, and waterproofing. Chemically, it is a natural mixture of hydrocarbons.  to patch potholes. Other products made with the blend are used to preserve cement, wood, and metal.
COPYRIGHT 2005 National Institute of Environmental Health Sciences
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Title Annotation:The Beat
Author:Dooley, Erin E.
Publication:Environmental Health Perspectives
Date:Jan 1, 2005
Words:106
Previous Article:EU bans phthalates in toys.(The Beat)
Next Article:North Korean catastrophe.(International Health)



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