Dynamic mechanical behaviors of binary and ternary particulate composites are investigated to test for the influence of the nature of a polymeric adduct, i.e., maleated styrene ethylene-co-butylene styrene (SEBS) or styrene-co-methacrylic acid (SAMA) copolymers, at the polystyrene (PS)/glass-beads i
Binary and ternary particulated composites: UHMWPE/CACO3/HDPE
β Scribed by J. Suwanprateeb
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 364 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0021-8995
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β¦ Synopsis
A study of the influence of employing ultrahigh molecular weight polyethylene (UHMWPE) on the toughness of CaCO 3 /high-density polyethylene (HDPE) composites was carried out. Binary and ternary HDPE-based composites with calcium carbonate in the range of 0 -40% and UHMWPE in the range of 0 -50% were produced by twin-screw extrusion followed by compression molding. From tensile and impact tests, it was found that increasing calcium carbonate content increased tensile modulus, but decreased tensile strength, strain at break, and impact resistance. The addition of UHMWPE helped to increase the strain at break and impact resistance of composites moderately without decreasing modulus or strength. The degree of toughening was found to increase with increasing UHMWPE content, but to decrease as the filler volume fraction was increased.
π SIMILAR VOLUMES
Starting from the formulae for effective parameters of the particulate composite derived within the average field approximation, the formula for the percolation threshold is derived. The maximum value of the percolation threshold is 1 3 in the case of the isotropic granules of globular shape. Furthe
Tensile properties of both a binary material, i.e., polystyrene (PS) reinforced by 15 vol % of glass beads, and ternary composites, i.e., showing either a maleated styrene/ethylene-co-butylene/styrene copolymer or a styrene-co-methacrylic acid copolymer (SAMA) adduct at the PS/glass-beads interface,
## Abstract Summary: Polyoxymethylene (POM)/elastomer/filler ternary composites were prepared, in which thermoplastic polyurethane(TPU) and an inorganic filler, CaCO~3~, were used to achieve balanced mechanical properties of POM. A twoβstep processing method, in which the elastomer and the filler w