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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2015, Volume 52, Issue 2,





Gabriela CRACIUN, Elena MANAILA, Maria Daniela STELESCU, Ana-Maria VASILESCU Characteristics of Wood Sawdust/Natural Rubber Composites Processed by Electron Beam Irradiation


Abstract:
This paper presents our experiments on obtaining and characterizing polymeric composites based on wood sawdust and natural rubber. Natural rubber was crosslinked both through a classic method - using benzoyl peroxide at high temperature, and an unconventional method at room temperature - electron beam irradiation. Physico-mechanical properties such as hardness, modulus at 100% elongation and tensile strength indicate a significant improvement as a result of adding wood sawdust to blends. Better results have been obtained using crosslinking by electron beam irradiation. The crosslinking rates of samples, measured using the Flory-Rehner equation increase as the amount of wood sawdust in blends increases and as the electron beam irradiation dose increases. The swelling parameters of samples significantly depend on the amount of wood sawdust in blends, because the latter has hydrophilic characteristics. Key-words: natural rubber, wood sawdust, irradiation, physico-mechanical characteristics, crosslink density, swelling parameters



Issue: 2015 Volume 52, Issue 2
Pages:
Publication date: 2015/6/30
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