Chloroprene rubber devulcanization by using microwave physical process
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2008
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PROCEEDINGS OF THE POLYMER PROCESSING SOCIETY, 24th
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Resumo
The chloroprene rubber is used to make several artefacts, such as diving and gymnastics outfits, cables
coating, special pneumatic automobile tires, and in the shoe industry, among others. In spite of its benefits, a great
problem nowadays is to recycle these used or with their lifetime expired galvanized articles, aiming to preserve the
environment. The devulcanization of these products may be carried out by biological, chemical and physical processes.
The main target of this work was to study the chloroprene recycling/re-use (DuPont - Neoprene®), by the physical
microwave process. For this purpose, a basic formulation was done with this kind of rubber, to be used in the
automobile industry. The samples irradiations were performed in a microwave generator equipment, developed at the
CQMA of the IPEN, which operates with a frequency of 2,450MHz and power of 1,000W to 3,000W. The analyses of
the samples irradiated with microwave and with those not irradiated were done by means of hardness, density,
permanent deformation and compression, tesile strenght and reometry assays. The results showed that the chloroprene
rubber irradiated with microwave presented a trend to vulcanize again and may substitute some unused rubber parts in
formulations, without causing considerable losses in the phisical-chemical properties.
Como referenciar
SCAGLIUSI, S.R.; ARAUJO, S.G.; LANDINI, L.; LUGAO, A.B. Chloroprene rubber devulcanization by using microwave physical process. In: PROCEEDINGS OF THE POLYMER PROCESSING SOCIETY, 24th, June 15-19, 2008, Salerno, Italy. Proceedings... Disponível em: http://repositorio.ipen.br/handle/123456789/15956. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.