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Monitoring of technological properties of the natural rubber from new clones of rubber tree

Grant number: 14/07470-5
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2014
Effective date (End): December 31, 2014
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Maria Alice Martins
Grantee:Maycon Jhony Silva
Home Institution: Embrapa Instrumentação Agropecuária. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA). Ministério da Agricultura, Pecuária e Abastecimento (Brasil). São Carlos , SP, Brazil


The natural rubber from the rubber tree is a strategic agricultural raw material used to manufacture a lot of products. Aiming at the development of culture, researchers around the world have studied the genetic improvement of rubber to obtain new clones in order to increase productivity and quality of the plantation post harvest product. Despite having been the world's largest rubber producer, currently, Brazil contributes only 1.5% of world production, and consumption is around 3.5 %. National production currently less than 5 % come from native rubber in the Amazon and 95 % comes from the rubber tree cultivation in different states of the country, the state of São Paulo, the largest domestic producer. These data demonstrate that new clonal rubber varieties adapted to different regions is an important point for the success of rubber cultivation in Brazil. Within this context, this project aims the characterization and assessment of the quality of natural rubber from new clones aiming to help in the study for recommending the large scale planting. The evaluation of natural rubber will be realized through technological properties: plasticity retention index, Wallace plasticity, Mooney viscosity, acetone extract, ash percentage and nitrogen. Tests will also be made infrared spectroscopy, nuclear magnetic resonance, elemental analysis, thermogravimetric analysis and differential scanning calorimetry, to characterize the physico-chemical and thermal properties of the rubber.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SILVA, MAYCON JHONY; CUNHA CLARO, PEDRO IVO; DA SILVA, JOYCI CAMILA; SCALOPPI JUNIOR, ERIVALDO JOSE; GONCALVES, PAULO DE SOUZA; MARTINS, MARIA ALICE; CAPPARELLI MATTOSO, LUIZ HENRIQUE. Evaluation of the physicochemical properties of natural rubber from Hevea brasiliensis clones. INDUSTRIAL CROPS AND PRODUCTS, v. 171, NOV 1 2021. Web of Science Citations: 0.

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