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Mineralization of Poly(?-caprolactone)/Adipate Modified Starch Blend in Agricultural Soil |
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| Authors: | Pilar D S C Mariani Antonio P Vinagre Neto José P da Silva Jr Elke J B N Cardoso Elisa Esposito Lucia H Innocentini-Mei |
| Institution: | 1. Department of Polymer Technology, State University of Campinas (UNICAMP), Cidade Universitária “Zeferino Vaz”, CP 6066, Av. Albert Einstein 500, CEP 13083-970, Campinas, SP, Brazil 2. Nucleus of Environmental Sciences (NCA), Mogi das Cruzes University (UMC), Av. Dr. Candido Xavier de Almeida Souza, 200, CEP 08780-911, Mogi das Cruzes, SP, Brazil 3. Brazilian Company for Farming Research (EMBRAPA), AM-010 Road/Km 29, CEP 69048-660, Manaus, AM, Brazil 4. College of Agriculture “Luiz de Queiroz” (ESALQ), State University of S?o Paulo, Av. Pádua Dias, 11, CP 9, CEP 13418-900, Piracicaba, SP, Brazil |
| Abstract: | The biodegradability properties of poly(ɛ-caprolactone) (PCL) and modified adipate-starch (AS) blends, using Edenol-3203 (E) as a starch plasticizer, were investigated in laboratory by burial tests of the samples in previously analyzed agricultural soil. The biodegradation process was carried out using the respirometric test according to ASTM D 5988-96, and the mineralization was followed by both variables such as carbon dioxide evolution and mass loss. The results indicated that the presence of AS-E accelerated the biodegradation rate as expected. |
| Keywords: | Biodegradation Poly(ɛ -caprolactone) Starch Blends Soil burial |
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