Photo-/Bio-degradability of Agro Waste and Ethylene–Propylene Copolymers Composites Under Abiotic and Biotic Environments

Article


Kumar, A. Pratheep, Pandey, Jitendra K., Kumar, Bijendra and Singh, R. P.. 2006. "Photo-/Bio-degradability of Agro Waste and Ethylene–Propylene Copolymers Composites Under Abiotic and Biotic Environments." Journal of Polymers and the Environment. 14 (2), pp. 203-212. https://doi.org/10.1007/s10924-006-0012-9
Article Title

Photo-/Bio-degradability of Agro Waste and Ethylene–Propylene Copolymers Composites Under Abiotic and Biotic Environments

ERA Journal ID40842
Article CategoryArticle
AuthorsKumar, A. Pratheep, Pandey, Jitendra K., Kumar, Bijendra and Singh, R. P.
Journal TitleJournal of Polymers and the Environment
Journal Citation14 (2), pp. 203-212
Number of Pages10
Year2006
PublisherSpringer
Place of PublicationUnited States
ISSN1566-2543
1572-8900
Digital Object Identifier (DOI)https://doi.org/10.1007/s10924-006-0012-9
Web Address (URL)https://link.springer.com/article/10.1007/s10924-006-0012-9
AbstractComposites were prepared by two methods, (i) graft copolymerization (GFC) of isotactic polypropylene (PP) with maliec anhydride, (MAH) followed by esterification with coir fiber and (ii) by direct reactive mixing (DFC) of polypropylene (PP) and ethylene-propylene (EP) copolymers with MAH and peroxide with coir fiber. These composites, after molding in films (5 × 5 cm, ∼ 100 μm thickness) were examined for susceptibility to biological attack by measuring the percentage weight loss in compost upto 6 months, periodically, and fungal colonization on surface of the samples, when kept as sole carbon source for the growth of Aspergillus niger in culture medium upto 40 days. Photodegradation was evaluated by monitoring the variations in FT-IR spectrum and crack formation after successive treatment with UV light (≥290 nm) for 0, 20, 50 and 100 h at 60°C in the presence of air. Specimens of virgin PP were taken as a reference during all period of photo and biodegradation studies. Significant changes were observed depending on the preparation methods during photodegradation and biodisintegration of composites. DFCs samples were disintegrated faster than GFCs during the composting whereas, in culture, GFCs were covered highly in well uniform way by fungi. It was observed that photo-oxidative ageing directly enhanced the biodegradability of composites as the increase in fungal growth rate and decrease in weight during composting were found. It was concluded that extent of compatibilization had a profound profound effect on photo-oxidation and biodisintegration of composite material; consequently ester bonds were main units during fungal consumption. Composition of monomers in copolymers was also showing significant effect on the degradability which decreased with increasing content of ethylene in ethylene-propylene (EP) copolymers.
KeywordsBiodegradation; Ethylene–propylene copolymers; Composites; Photo-degradation ; Biodegradation; Biodisintegration and composting
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 2020340302. Macromolecular materials
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Byline AffiliationsNational Chemical Laboratory, India
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Depan, D., Annamalai, A. Pratheep, Singh, R. P. and Misra, R. D. K.. 2014. "Stability of chitosan/montmorillonite nanohybrid towards enzymatic degradation on grafting with poly(lactic acid)." Materials Science and Technology. 30 (5), pp. 587-592. https://doi.org/10.1179/1743284713y.0000000501
Can clay nanoparticles accelerate environmental biodegradation of polyolefins?
Annamalai, P. K. and Martin, D. J.. 2014. "Can clay nanoparticles accelerate environmental biodegradation of polyolefins?" Materials Science and Technology. 30 (5), pp. 593-602. https://doi.org/10.1179/1743284713y.0000000498
Water-Responsive Mechanically Adaptive Nanocomposites Based on Styrene–Butadiene Rubber and Cellulose Nanocrystals—Processing Matters
Annamalai, Pratheep K., Dagnon, Koffi L., Monemian, Seyedali, Foster, E. Johan, Rowan, Stuart J. and Weder, Christoph. 2014. "Water-Responsive Mechanically Adaptive Nanocomposites Based on Styrene–Butadiene Rubber and Cellulose Nanocrystals—Processing Matters ." ACS Applied Materials and Interfaces. 6 (2), pp. 967-76. https://doi.org/10.1021/am404382x
Studies on the feasibility of recycled polystyrene doped with NLO active meta-Nitroaniline for optoelectronics applications
Sureshkumar, M.S., Goyal, R.L., Negi, Y.s., Pratheepkumar, A., Reddy, K. Raghunatha, Singh, R.P., Dadge, J.W. and Aiyer, R.C.. 2011. "Studies on the feasibility of recycled polystyrene doped with NLO active meta-Nitroaniline for optoelectronics applications ." Polymers for Advanced Technologies. 22 (12), pp. 1865-1871. https://doi.org/10.1002/pat.1685
Bioinspired Mechanically Adaptive Polymer Nanocomposites with Water-Activated Shape-Memory Effect
Mendez, Julie, Annamalai, Pratheep K., Eichhorn, Stephen J., Rusli, Rafeadah, Rowan, Stuart J., Foste, E. Johan and Weder, Christoph. 2011. "Bioinspired Mechanically Adaptive Polymer Nanocomposites with Water-Activated Shape-Memory Effect." Macromolecules. 44 (17), pp. 6827-6835. https://doi.org/10.1021/ma201502k
Commercial aspects associated with bio-nanocomposites
Lonkar, Sunil P., Kumar, A. Pratheep and Singh, R. P.. 2011. "Commercial aspects associated with bio-nanocomposites." Nanocomposites with Biodegradable Polymers: Synthesis, Properties, and Future Perspectives. United Kingdom. Oxford University Press. pp. 400-420
Kinetics of mass transfer during vapour-induced phase separation (VIPS) process and its influence on poly-(vinylidene fluoride) (PVDF)membrane structure and surface morphology
Annamalai, Pratheep Kumar, Pochat-Bohatier, Celine, Bouyer, Denis, Li, Chia-Ling, Deratani, André and Wang, Da-Ming. 2011. "Kinetics of mass transfer during vapour-induced phase separation (VIPS) process and its influence on poly-(vinylidene fluoride) (PVDF)membrane structure and surface morphology ." Desalination and Water Treatment. 34 (1-3), pp. 204-210. https://doi.org/10.5004/dwt.2011.2809
Nanoscale particles for polymer degradation and stabilization—Trends and future perspectives
Annamalai, Annamalai Pratheep, Depan, Dilip, Tomer, Namrata Singh and Singh, Raj Pal. 2009. "Nanoscale particles for polymer degradation and stabilization—Trends and future perspectives ." Progress in Polymer Science. 34 (6), pp. 479-515. https://doi.org/10.1016/j.progpolymsci.2009.01.002
Cell proliferation and controlled drug release studies of nanohybrids based on chitosan-g-lactic acid and montmorillonite
Depan, Dilip, Annamalai, Annamalai Pratheep and Singh, Raj Pal. 2009. "Cell proliferation and controlled drug release studies of nanohybrids based on chitosan-g-lactic acid and montmorillonite." Acta Biomaterialia. 5 (1), pp. 93-100. https://doi.org/10.1016/j.actbio.2008.08.007
Single Step Synthesis and Properties of M/MFe2O4 and PVDF/M/MFe2O4 (M = Co, Ni) Magnetic Nanocomposites
Deka, Sasanka, Joy, P. A. and Annamalai, A. Pratheep. 2009. "Single Step Synthesis and Properties of M/MFe2O4 and PVDF/M/MFe2O4 (M = Co, Ni) Magnetic Nanocomposites ." Science of Advanced Materials. 1 (3), pp. 262-268. https://doi.org/10.1166/sam.2009.1053
Effect of γ-dose rate on crystallinity and morphological changes of γ-sterilized biomedical polypropylene
Alariqi, Sameh A.S., Annamalai, A. Pratheep, Rao, B.S.M. and Singh, R.P.. 2009. "Effect of γ-dose rate on crystallinity and morphological changes of γ-sterilized biomedical polypropylene." Polymer Degradation and Stability. 94 (2), pp. 272-277. https://doi.org/10.1016/j.polymdegradstab.2008.10.027
Biocomposites of cellulose reinforced starch: improvement of properties by photo-induced crosslinking
Kumar, Annamalai Pratheep and Singh, Raj Pal. 2008. "Biocomposites of cellulose reinforced starch: improvement of properties by photo-induced crosslinking." Bioresource Technology. 99 (18), pp. 8803-8809. https://doi.org/10.1016/j.biortech.2008.04.045
Novel hybrid of clay, cellulose, and thermoplastics. I. Preparation and characterization of composites of ethylene–propylene copolymer
Kumar, Annamalai Pratheep and Singh, Raj Pal. 2007. "Novel hybrid of clay, cellulose, and thermoplastics. I. Preparation and characterization of composites of ethylene–propylene copolymer." Journal of Applied Polymer Science. 104 (4), pp. 2672-2682. https://doi.org/10.1002/app.25659
Photo-stabilization of EPDM-clay nanocomposites: effect of antioxidant on the preparation and durability
Lonkar, Sunil P., Annamalai, A. Pratheep and Singh, Raj Pal. 2007. "Photo-stabilization of EPDM-clay nanocomposites: effect of antioxidant on the preparation and durability." Polymers for Advanced Technologies. 18 (11), pp. 891-900. https://doi.org/10.1002/pat.925
Stabilization of γ-sterilized biomedical polyolefins by synergistic mixtures of oligomeric stabilizers. Part II. Polypropylene matrix
Alariqi, Sameh A.S., Kumar, A. Pratheep, Rao, B.S.M. Rao and Singh, R.P.. 2007. "Stabilization of γ-sterilized biomedical polyolefins by synergistic mixtures of oligomeric stabilizers. Part II. Polypropylene matrix ." Polymer Degradation and Stability. 92 (2), pp. 299-309. https://doi.org/10.1016/j.polymdegradstab.2006.10.010
Preparation and characterization of novel hybrid of chitosan-g-lactic acid and montmorillonite
Depan, Dilip, Annamalai, Annamalai Pratheep and Singh, Raj Pal. 2006. "Preparation and characterization of novel hybrid of chitosan-g-lactic acid and montmorillonite." Journal of Biomedical Materials Research Part A. 78 (2), pp. 372-82. https://doi.org/10.1002/jbm.a.30738
Stabilization of γ-sterilized biomedical polyolefins by synergistic mixtures of oligomeric stabilizers
Alariqi, Sameh. A.S., Annamalai, A. Pratheep, Rao, B.S.M., Tevtia, Amit K. and Singh, R.P.. 2006. "Stabilization of γ-sterilized biomedical polyolefins by synergistic mixtures of oligomeric stabilizers ." Polymer Degradation and Stability. 91 (10), pp. 2451-2464. https://doi.org/10.1016/j.polymdegradstab.2006.03.010
Biodegradation of γ-sterilised biomedical polyolefins under composting and fungal culture environments
Alariqi, Sameh A.S., Kumar, A. Pratheep, Rao, B.S.M. and Singh, R.P.. 2006. "Biodegradation of γ-sterilised biomedical polyolefins under composting and fungal culture environments." Polymer Degradation and Stability. 91 (5), pp. 1105-1116. https://doi.org/10.1016/j.polymdegradstab.2005.07.004
An overview on the degradability of polymer nanocomposites
Pandey, Jitendra K., Reddy, K. Raghunatha, Kumar, A. Pratheep and Singh, R.P.. 2005. "An overview on the degradability of polymer nanocomposites." Polymer Degradation and Stability. 88 (2), pp. 234-250. https://doi.org/10.1016/j.polymdegradstab.2004.09.013
Recent Advances in Biodegradable Nanocomposites
Pandey, Jitendra K., Kumar, A. Pratheep, Misra, Manjusri, Mohanty, Amar K., Drzal, Lawrence T. and Singh, Raj. 2005. "Recent Advances in Biodegradable Nanocomposites ." Journal of Nanoscience and Nanotechnology. 5 (4), pp. 497-526. https://doi.org/10.1166/jnn.2005.111
Degradability of composites, prepared from ethylene–propylene copolymer and jute fiber under accelerated aging and biotic environments
Annamalai, Annamalai Pratheep, Singh, Raj Pal and Sarwade, Bhimrao D.. 2005. "Degradability of composites, prepared from ethylene–propylene copolymer and jute fiber under accelerated aging and biotic environments." Materials Chemistry and Physics. 92 (2-3), pp. 458-469. https://doi.org/10.1016/j.matchemphys.2005.01.027
Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering
Kumar, A. Pratheep, Reddy, K. Raghunatha, Rana, Sravendra, Lonkar, Sunil P., Raut, K.G. and Singh, Raj Pal. 2005. "Synthesis, characterization, and performance evaluation of novel stabilized TDI-based polyurethane coatings under accelerated weathering." Journal of Vinyl and Additive Technology. 11 (1), pp. 13-20. https://doi.org/10.1002/vnl.20032
Biodegradation of packaging materials: Composting of polyolefins
Pandey, Jitendra K., Kumar, A. Pratheep and Singh, R.P.. 2003. "Biodegradation of packaging materials: Composting of polyolefins." Macromolecular Symposia. 197 (1), pp. 411-420. https://doi.org/10.1002/masy.200350735