Abstract
Polyethermethylsiloxanes (PEMS) are copolymers consisting of a siloxane backbone with one or more methyl groups on the silicon atom substituted with a polyoxyalkylene (i. e. polyether) group. Commercial PEMS materials are used for a wide variety of applications, including the manufacture of polyurethane foams, textiles, personal care products, paints, and surface coatings. This chapter summarizes the structure, manufacturing processes, and applications of this important class of organosilicon compounds. In addition, the physical and chemical properties of PEMS are addressed in relation to the transport, fate, and effects of these materials in the environment.
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Abbreviations
- BCF:
-
bio-concentration factor
- BOD:
-
biological oxygen demand
- cmc:
-
critical micelle concentration
- CTFA:
-
Cosmetic, Toiletries, and Fragrance Association
- EC50 :
-
effect concentration (concentration that effects 50% of the test population)
- FTIR:
-
Fourier transform infrared spectroscopy
- GC:
-
gas chromatography
- GPC:
-
gel-permeation chromatography
- HPLC:
-
high performance liquid chromatography
- IC50 :
-
inhibition concentration (concentration that inhibits 50% of the test population)
- ICPAES:
-
inductively-coupled plasma atomic emission spectroscopy
- LC50 :
-
lethal concentration (concentration that is lethal to 50% of the test population)
- MS:
-
mass spectrometry
- NMR:
-
nuclear magnetic resonance spectroscopy
- PDMS:
-
polydimethylsiloxane
- PEMS:
-
polyethermethylsiloxane
- TOC:
-
total organic carbon
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© 1997 Springer-Verlag Berlin Heidelberg
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Powell, D.E., Carpenter, J.C. (1997). Polyethermethylsiloxanes. In: Chandra, G. (eds) Organosilicon Materials. The Handbook of Environmental Chemistry, vol 3 / 3H. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68331-5_8
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DOI: https://doi.org/10.1007/978-3-540-68331-5_8
Publisher Name: Springer, Berlin, Heidelberg
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