Date sent:              Fri, 07 May 2004 01:54:20 -0800
To:                     Multiple recipients of list CHIPDIR-L <[EMAIL PROTECTED]>
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Organization:           Fat City Network Services, San Diego, California

> On Thu, May 06, 2004 at 12:19:19PM -0800, Uwe Zimmermann enlightened us
> thusly
> > Hello Fred,
> > 
> > 
> > searching around a bit I can confirm that the name of the substance is
> > correct. You have to disassemble it a bit different in the beginning:
> > 
> > di-aryl-ethane
> > 
> > where "aryl" stands for a special organic group (like acryl, carbonyl,
> > acetyl,...) derived from the benzene ring
> > http://www.encyclopedia.com/html/a1/arylgrou.asp
> > 
> > 
> > However, all I found where some vague descriptions that this compound
> > can be used to replace PCB as dielectric in certain applications.
> > 
> The search for PCB replacements is very old. PCBs were hardly ever used
> in the 1980s, althoyugh they were still available. May I guess that this
> was one of the many compounds tried, only to be replaced by superior
> ones later?  The evidence you have uncovered seems to suggest that.
> 

They are still in use, main field are the capacitors in household 
microwave-ovens.

I phoned with the toxicological emergency helpline in Germany, they 
don�t know this substance in their catalogues so it�s probably not 
"that" toxic.

Thank�s for you help

Jan



mit freundlichen Gruessen---best regards----cordialement

Jan Philipp Wuesten

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Author: Jan Wuesten
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