Biodegradable materials

Robert Cowherd rcowherd at mail.med.upenn.edu
Mon Jul 7 00:05:50 EST 1997


I not sure about this but I vaguely recall that the corn starch merely 
helps to hold the "bits" of non-degradable plastic together.  When the 
starch is degraded you are left with microscopic particles of plastic.  
Perhaps someone out there (on the net) knows for sure.  It _would_ seem 
to lower the amount of plastic waste but not eliminate it as popular 
perception (wishfulness) might have us believe.  To be truly 
environmentally friendly, the polymer should be entirely catabolizable.  

Perhaps that is why you don't really _see_ ;^} much of it around anymore...

JMTCW...

Bob Cowherd



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