Ceramics Processing Research Laboratory

 

Carbon residue yields for different organic compounds heated to 1000C in gettered argon*©



Organic Compound 			Carbon Residue Yield (wt%)
					based on initial sample weight

Polyethylene				<0.1 wt%
Polyisobutylene				<0.1 wt%
Polypropylene Carbonate			<0.1 wt%
Polymethyl Methacrylate:	
	Low molecular wt.		0.2 +/- 0.1 wt%	
	Medium molecular wt.		0.2 +/- 0.1 wt%	
	High molecular wt.		0.2 +/- 0.1 wt%
Polybutyl Methacrylate			0.2 +/- 0.1 wt%
Polyethylene Oxide:	
	3,400 g/mol			0.3 +/- 0.1 wt%	
	20,000 g/mol			2.5 +/- 0.1 wt%	
	100,000 g/mol			3.1 +/- 0.2 wt%	
	600,000 g/mol			4.5 +/- 0.2 wt%	
	5,000,000 g/mol			2.5 +/- 0.2 wt%
Polyvinyl Butyral:	
	Butvar B-76			1.8 +/- 0.1 wt%	
	Butvar B-98			1.3 +/- 0.1 wt%
Menhaden Fish Oil			3.5 +/- 0.2 wt%
Cellulose				10.5 +/- 0.5 wt%
Ethyl Cellulose				6.0 +/- 0.3 wt%
----------
Sample Weight 500 +/- 100 mg
Ar Flow Rate 75 cm/s 
*Higgins, 1989
©CPRL, 1995

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