Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (1/1 displayed)

  • 2003Biodegradation of poly(ε-caprolactone)/starch blends and composites in composting and culture environments144citations

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Chart of shared publication
Rutot, D.
1 / 1 shared
Singh, R. P.
1 / 9 shared
Degée, Philippe
1 / 39 shared
Dubois, Philippe
1 / 24 shared
Chart of publication period
2003

Co-Authors (by relevance)

  • Rutot, D.
  • Singh, R. P.
  • Degée, Philippe
  • Dubois, Philippe
OrganizationsLocationPeople

article

Biodegradation of poly(ε-caprolactone)/starch blends and composites in composting and culture environments

  • Rutot, D.
  • Singh, R. P.
  • Pandey, J. K.
  • Degée, Philippe
  • Dubois, Philippe
Abstract

<p>The biodegradability of poly(ε-caprolactone) (PCL) was studied in blends and composites of modified and granular starch. Four types of PCL-starch compositions were prepared: (i) PCL-granular starch blends; (ii) hydrophobic coating of starch particles by n-butylisocyanate (C<sub>4</sub> starch) and octadecyltrichlorosilane (C<sub>18</sub> starch), followed by melt blending with PCL; (iii) PCL-starch blends compatibilized by PCL-g-dextran grafted copolymer (PGD); and (iv) PCL-grafted starch particles (PGS) as obtained by in situ ring-opening polymerization of caprolactone (CL) initiated directly from hydroxyl functions at the granular starch surface. Biodegradability of these materials was measured by monitoring the percentage of weight loss in composting and the rate of fungal colonization when samples were used as a sole carbon source for fungus (A. niger). Intrinsic viscosity [η] of host PCL chains was measured after extraction of composted samples in boiled chloroform. SEM was used to study the surface morphology after compost incubation of the samples. The inherent biodegradability of host polymer was enhanced with surface compatibilization during composting for longer incubation. It was observed that the weight loss during composting increased with the decrease in interfacial tension between filler and polymer. In general, it was concluded that inherent biodegradability does not depend very significantly on the concentration of starch in the polyester matrix, but on the compatibilization efficiency. The effect of the PCL fraction in the graft copolymer, when used as compatibilizer, was also studied on the biodegradability of the host polymer.</p>

Topics
  • morphology
  • surface
  • Carbon
  • scanning electron microscopy
  • extraction
  • melt
  • composite
  • viscosity
  • copolymer