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Liquid polybutadiene rubber?



We are currently assisting a polystyrene company which produces high impact polystyrene (HIPS).  The polybutadiene rubber used in this process generates D001/D018 waste.  The rubber is dissolved from a bale form.  This seems to be a standard process in the polystyrene industry.  Unfortunately, rubber waste generation in the form of undissolved and partially dissolved rubber from the feed filters is high.

Is there other options out there?  Can the bales be more completely dissolved or have a better viscosity?  Better yet, liquid polybutadiene rubber would eliminate filter waste entirely.

Any help or suggestions would be appreciated.

Thanks.

David A. Foulkes, Environmental Specialist
State of Ohio EPA
Office of Pollution Prevention
P.O. Box 1049
Columbus, OH  43216-1049
(614) 644-3118
email:  dave.foulkes@epa.state.oh.us
World Wide Web:  http://www.epa.state.oh.us/opp
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<DIV><FONT size=1>We are currently assisting a polystyrene company which 
produces high impact polystyrene (HIPS).&nbsp; The polybutadiene rubber used in 
this process generates D001/D018 waste.&nbsp; The rubber is dissolved from a 
bale form.&nbsp; This seems to be a standard process in the polystyrene 
industry.&nbsp; Unfortunately, rubber waste generation in the form of 
undissolved and partially dissolved rubber from the feed filters is 
high.</FONT></DIV>
<DIV>&nbsp;</DIV>
<DIV>Is there other options out there?&nbsp; Can the bales be more completely 
dissolved or have a better viscosity?&nbsp; Better yet, liquid polybutadiene 
rubber would eliminate filter waste entirely.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Any help or suggestions would be appreciated.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks.</DIV>
<DIV>&nbsp;</DIV>
<DIV>David A. Foulkes, Environmental Specialist<BR>State of Ohio EPA<BR>Office 
of Pollution Prevention<BR>P.O. Box 1049<BR>Columbus, OH&nbsp; 
43216-1049<BR>(614) 644-3118<BR>email:&nbsp; <A 
href="mailto:dave.foulkes@epa.state.oh.us";>dave.foulkes@epa.state.oh.us</A><BR>World 
Wide Web:&nbsp; <A 
href="http://www.epa.state.oh.us/opp";>http://www.epa.state.oh.us/opp</A><BR></DIV></BODY></HTML>