By Cornelia Vasile
This booklet is a whole consultant to the topic of biodegradable fabrics in line with multi-component polymeric structures, quite often resembling hydrogels, and interpenetrating polymeric networks.
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Additional resources for Environmentally degradable materials based on multicomponent polymeric systems
The balance between abiotic and biotic degradation, both in vivo and in vitro, is not fully understood, even for the most studied biodegradable polymers. The blending of biodegradable polymers is a method of reducing the overall cost of the material and others a method of modifying both the properties and the degradation rates of the materials. However, forming a miscible blend, particularly with a nonbiodegradable polymer, can reduce or even inhibit the degradation of the biodegradable component.
1 g/l in buffer) treatment for 24 h caused significant morphological change in PHB film surface: transferring from native PHB film with many pores ranging from 1 to 5 µm in size into a pore-free surface without producing hydroxyl groups on the film surface. 2) [34, 35]. It also indicates that lipase can partially penetrate the pores of PHB film, but the enzymatic degradation proceeds mainly on the surface of the coarse polymer film achievable for lipase. Two additional effects reported for depolymerases could be of importance.
57. , (1995) Can. J. , 41(S1): 154. 58. , Dixon K. , (1996) Biodegradation of. polymer films in marine and soil, ACS Symp. Ser. 627: 159–165. 34 REFERENCES 59. J. (1996) Determination of the carbon content of biomass – A prerequisite to estimate the complete biodegradation of polymers, Environ. Polym. , 4(3): 157–171. 60. , Lefebvre F. , (1994) The biodegradation of polymers: Recent results. Angew. Makromol. Chem. 216(1): 21–35. 61. , Beimborn D. , (1995) Material in a laboratory controlled composting test.