Determination of airborne, volatile amines from polyurethane foams by sorption onto a high-capacity cation-exchange resin based on poly(succinic acid).
A high-capacity carboxylic acid-functionalized resin prepared by ring-opening metathesis polymerization based on cross-linked endo,endo-poly(norborn-2-ene-5,6-dicarboxylic acid) was used for the sampling of volatile, airborne amines from polyurethane (PU) foams. Six tertiary amines which represent commonly used promotors for the formation of PUs from diisocyanates and polyols, namely pentamethyldiethylenetriamine, diazabicyclooctane, N-methylmorpholine, N-ethylmorphine, 1,4-dimethylpiperazine and N,N-dimethylethanolamine, were sorbed onto the new resin. The sorption behavior of the new material was investigated in terms of loading capacities, the influence of concentration, flow-rate as well as of the amount of resin. Breakthrough curves were recorded from each single component as well as of mixtures thereof. Finally, the resin was used for the sampling of amines evaporating from PU foams applied in buildings. Further information about time dependent concentration profiles were obtained using a combination of GC-MS and Fourier transform IR spectroscopy.
Institute of Analytical Chemistry and Radiochemistry, University of Innsbruck, Austria.
G
G
Seeber
M R
MR
Buchmeiser
G K
GK
Bonn
T
T
Bertsch
D000327:Adsorption; D000393:Air Pollutants / Q000032:analysis*; D000588:Amines / Q000032:analysis*; D002411:Cation Exchange Resins; D008401:Gas Chromatography-Mass Spectrometry; D011073:Polyamines / Q000032:analysis; D011108:Polymers; D011140:Polyurethanes; D012996:Solutions; D017550:Spectroscopy, Fourier Transform Infrared; D013386:Succinates; D014835:Volatilization
D000393:Air Pollutants; D000588:Amines; D002411:Cation Exchange Resins; D011073:Polyamines; D011108:Polymers; D011140:Polyurethanes; D012996:Solutions; D013386:Succinates; C005391:diethylenetriamine