Effect of filler treatment and crosslinking on mechanical and dynamic mechanical properties and electrical conductivity of carbon black-filled ethylene-vinyl acetate copolymer composites

2003 ◽  
Vol 90 (8) ◽  
pp. 2073-2082 ◽  
Author(s):  
N. C. Das ◽  
T. K. Chaki ◽  
D. Khastgir
Keyword(s):  
Mechanical Properties ◽  
Electrical Conductivity ◽  
Carbon Black ◽  
Vinyl Acetate ◽  
Ethylene Vinyl Acetate ◽  
Dynamic Mechanical Properties ◽  
Dynamic Mechanical ◽  
Acetate Copolymer ◽  
Ethylene Vinyl Acetate Copolymer ◽  
Copolymer Composites

Study of Utilization of Ground EVA Waste as Filler in NBR Vulcanizates

2002 ◽  
Vol 10 (5) ◽  
pp. 381-390 ◽  
Author(s):  
Viviane Xavier Moreira ◽  
Bluma Guenther Soares
Keyword(s):  
Mechanical Properties ◽  
Ethylene Vinyl Acetate ◽  
Dynamic Mechanical Properties ◽  
Elongation At Break ◽  
Rubber Blends ◽  
Dynamic Mechanical ◽  
Footwear Industry ◽  
Wide Range ◽  
Acetate Copolymer ◽  
Ethylene Vinyl Acetate Copolymer

Rubber blends containing nitrile rubber (NBR) and ground ethylene-vinyl acetate copolymer waste (EVAW) from the footwear industry have been prepared over a wide range of composition (up to 90 phr of waste component). The ground EVAW had particle size in the range of 100-350 mm and a gel content of 60±5%. The effect of different amounts of EVA waste on the tensile strength, elongation at break, hardness, tear strength and dynamic mechanical properties was studied. EVAW had a good reinforcing effect on the NBR matrix. A combination of optimum tensile properties, resistance to solvent penetration and dynamic mechanical properties, such as storage modulus and loss tangent was achieved by introducing 50 phr of EVAW in the NBR matrix. This composition also presents a more uniform morphology, as indicated by scanning electron microscopy.

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