2006
DOI: 10.1002/pc.20211
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Mechanical properties and morphologies of polypropylene with different sizes of calcium carbonate particles

Abstract: Three polypropylene (PP) matrixes with different intrinsic toughness were used to study the morphologies and mechanical properties of PP filled with four sizes of calcium carbonate particles. PP1 was a homopolymer, PP2 was a propylene-ethylene copolymer, and PP3 was a mixture of PP1 and PP2 (PP1:PP2 ‫؍‬ 1:1, weight ratio). Calcium carbonate (CC25, CC4, CC1.8, and CC0.07) with an average particle size of 25, 4, 1.8, and 0.07 m, respectively, was used. It was clear that the PP matrix and filler size had key effe… Show more

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Cited by 80 publications
(43 citation statements)
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“…In general, addition of fillers to thermoplastics leads to an increase of the tensile strength and modulus and decrease of ductility and fracture toughness (Oksman and Clemons, 1998). Many studies have dealt with investigation of the effect of the particle size and particle size distribution on the mechanical properties of particulate reinforced polymer composites (Kauly et al, 1996;Kwok et al, 2003;Li et al, 2001;Yang et al, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…In general, addition of fillers to thermoplastics leads to an increase of the tensile strength and modulus and decrease of ductility and fracture toughness (Oksman and Clemons, 1998). Many studies have dealt with investigation of the effect of the particle size and particle size distribution on the mechanical properties of particulate reinforced polymer composites (Kauly et al, 1996;Kwok et al, 2003;Li et al, 2001;Yang et al, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…It is one of the most commonly used inorganic fillers in PP. Many researchers have studied the toughening of PP with CaCO 3 10–13. Heat sealing is the process by which two structures containing at least one thermoplastic layer are sealed by the action of heat and pressure 14.…”
Section: Introductionmentioning
confidence: 99%
“…O incremento do valor do módulo de flexão do compósito PP20 desse estudo é cerca da metade dos valores obtidos na literatura para compósitos de PP com 20% de CaCO 3 (tamanho de partícula de ~25 µm) [15] e para compósitos de PP com 20% de talco (tamanho de partícula de ~10 µm) [16] . Esse comparativo sugere que há um potencial de melhoria da rigidez dos compósitos em estudo a ser explorado via refinamento da morfologia de fases.…”
Section: Caracterização Do Resíduo Industrial De Resina Fenólicaunclassified