Abstract
The functionalization of synthetic polymers such as poly(ethylene terephthalate) to improve their hydrophilicity can be achieved biocatalytically using hydrolytic enzymes. A number of cutinases, lipases, and esterases active on polyethylene terephthalate have been identified and characterized. Enzymes from Fusarium solani, Thermomyces insolens, T. lanuginosus, Aspergillus oryzae, Pseudomonas mendocina, and Thermobifida fusca have been studied in detail. Thermostable biocatalysts hydrolyzing poly(ethylene terephthalate) are promising candidates for the further optimization of suitable biofunctionalization processes for textile finishing, technical, and biomedical applications.
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Abbreviations
- AFM:
-
Atomic force microscopy
- BEB:
-
Ethylene glycol dibenzyl ester
- BHET:
-
bis(2-hydroxyethyl terephthalate)
- BHPT:
-
bis(3-hydroxypropyl terephthalate)
- CTR:
-
Cyclo-tris–ethylene terephthalate, cyclic PET trimer
- DET:
-
Diethyl terephthalate
- DMT:
-
Dimethyl terephthalate
- DP:
-
Diethyl p-phthalate
- DSC:
-
Differential scanning calorimetry
- EBT:
-
1,2-Ethylene-bis-terephthalate
- EMT:
-
1,2-Ethylene-mono-terephthalate-mono(2-hydroxyethyl terephthalate)
- ESCA:
-
Electron spectroscopy for chemical analysis
- FTIR:
-
Fourier transform infrared spectroscopy
- HPLC:
-
High performance liquid chromatography
- MEG:
-
Monoethylene glycol
- MHET:
-
mono(2-hydroxyethyl) terephthalate
- MHPT:
-
mono(3-hydroxypropyl) terephthalate
- PBT:
-
1,2-Propylene-bis-terephthalate
- PEG:
-
Polyethylene glycol
- PET:
-
Poly(ethylene terephthalate)
- PET dimer:
-
bis-(p-methylbenzoic acid)-ethylene glycol ester
- PET trimer:
-
bis(benzoyloxyethyl) terephthalate
- PTT:
-
Poly(trimethylene terephthalate)
- PCL:
-
Poly(ε-caprolactone)
- SEM:
-
Scanning electron microscopy
- Triton X-100:
-
Octyl phenoxy polyethoxy ethanol
- Tg :
-
Glass transition temperature
- Td :
-
Thermal denaturation temperature
- Tm :
-
Melting temperature
- TLC:
-
Thin layer chromatography
- TPA:
-
Terephthalic acid
- XPS:
-
X-ray photoelectron spectroscopy
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Zimmermann, W., Billig, S. (2010). Enzymes for the Biofunctionalization of Poly(Ethylene Terephthalate). In: Nyanhongo, G., Steiner, W., Gübitz, G. (eds) Biofunctionalization of Polymers and their Applications. Advances in Biochemical Engineering / Biotechnology, vol 125. Springer, Berlin, Heidelberg. https://doi.org/10.1007/10_2010_87
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