Anionic Nylon 6/Zinc Composite Materials: Evaluation of Thermal and Mechanical Behavior

Rusu, G.I.; Rusu, Elena

doi:10.1080/1023666x.2010.520967

Cited by 16 publications

(3 citation statements)

References 40 publications

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“…Hence, the metal powder route can still be a viable route for electrically and thermally conductive plastics providing a metal–plastic pair can be found where the adhesion is good. Most of the work on conductive composites using metals have employed Fe, Ni, Cu, Zn, Al, and Ag powders, and the typical plastics have been the polyolefins, poly(vinyl chloride) (PVC), poly(methyl methacrylate) (PMMa), polystyrene, styrene acrylonitrile (SAN), polyamide 6, and polycarbonate [ 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 ]. Most often, the adhesion between the metal and plastic is poor; hence, electrical conductivity may be obtained, but with a deterioration of the mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Amorphous Poly(ethylene terephthalate) Composites with High-Aspect Ratio Aluminium Nano Platelets

et al. 2022

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Previously, we reported that amorphous poly(ethylene terephthalate) (PET) filled with irregular nodular aluminium (Al) particles gave simultaneous increases in tensile modulus, tensile strength, and impact resistance, which is unusual for materials. Here, we investigated the effect of the particle shape and size by using nano-platelet Al. The Al nano-platelets had a thickness higher than graphenes and clays, but lower than mica and talc, and due to their large widths, they had high aspect ratios. Due to the ductility of Al, the platelets maintained the high aspect ratio and did not snap during injection moulding. In addition to avoiding the usual drop in tensile strength and impact, the composites with nano Al platelets gave an unusually high flexural modulus (8 GPa), which was almost double that attained practically with talc, mica, and graphene. This was because of the high tendency of the Al nano platelets to become oriented during moulding. The Al–PET composite would be a more cost-and-performance effective combination for making conductive composites. The Al is a cheaper material than graphene, surface treatment for adhesion (to PET) is unnecessary, and dispersion issues, such as exfoliation and de-aggregation, are not a problem.

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Section: Introductionmentioning

confidence: 99%

Amorphous Poly(ethylene terephthalate) Composites with High-Aspect Ratio Aluminium Nano Platelets

et al. 2022

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“…In papers where metal-polymer composites are made and mechanical properties are shown, it is generally observed that the tensile modulus increases modestly with filler content but often the tensile strength, the elongation-to-break, and the impact resistance, decrease compared with the base polymer, whether the article is made by compression moulding or injection moulding [ 13 , 14 , 21 , 22 , 23 , 24 , 25 , 26 ]. It is always difficult to get high stiffness with toughness.…”

Section: Introductionmentioning

confidence: 99%

Aluminum-Filled Amorphous-PET, a Composite Showing Simultaneous Increase in Modulus and Impact Resistance

et al. 2020

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Metal-plastic composites have the potential to combine enhanced electrical and thermal conductivity with a lower density than a pure metal. The drawback has often been brittleness and low impact resistance caused by weak adhesion between the metal filler and the plastic. Based on our observation that aluminum foil sticks very strongly to poly(ethylene terephthalate) (PET) if it is used as a backing during compression moulding, this work set out to explore PET filled with a micro and a nano aluminum (Al) powder. In line with other composites using filler particles with low aspect-ratio, the tensile modulus increased somewhat with loading. However, unlike most particle composites, the strength did not decrease and most surprisingly, the Izod impact resistance increased, and in fact more than doubled with certain compositions. Thus, the Al particles acted as a toughening agent without decreasing the modulus and strength. This would be the first case where addition of a metal powder to a plastic increased the modulus and impact resistance simultaneously. The Al particles also acted as nucleating agents but it was not sufficient to make PET crystallize as fast as the injection moulding polyester, poly(butylene terephthalate) (PBT).

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“…The types of polyethylene studied include low-density polyethylene (LDPE), 3 highdensity polyethylene (HDPE), 11,12 linear mediumdensity polyethylene (LMDPE), 13,14 linear low-density polyethylene (LLDPE), 3,12,14,15 cross-linked polyethylene (XLPE), 16 and ultra-high-molecular-weight polyethylene (UHMWPE). 17 Other thermoplastic polymers used in this process are polyamide, [18][19][20][21] polycarbonate, 22 polypropylene, 18,[23][24][25][26][27][28][29] acrylonitrile butadiene styrene copolymer, 18 the ethylene-vinyl acetate, 18,30 and polyester amide copolymer. 31 Polylactic acid, [32][33][34][35][36] poly(epsilon-caprolactone), 37 polyether ether ketone, 38 polyvinylidene fluoride, 25,26 and polymethylmethacrylate 25 are also rotomolded.…”

Section: Introductionmentioning

confidence: 99%

Rotomolding and polyethylene composites with rotomolded lignocellulosic materials: A review

León

Escócio

Visconte

et al. 2020

Journal of Reinforced Plastics and Composites

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Rotomolding is a versatile process used in the manufacture of thermoplastic polymeric materials to produce large hollow plastic parts. The aim of this review article was to discuss the rotomolding process and show the properties of the polyethylene composite and rotomolded lignocellulosic fibers, which are processed for prolonged periods under temperature. The main process parameters studied are the shaft speed of the equipment, molding temperature, polymer particle size, polymer melt flow index, and amount of material, which must be well controlled to achieve a non-degraded product with homogeneous thickness and no porosity. Rotomolded composites containing sisal, pine, coir, banana, flax, and maple wood fibers, among others, have been evaluated primarily for their mechanical (impact, flexural, and tensile strength) and morphological properties. The type, content, and treatment of lignocellulosic fillers are the most widely studied variables in polyethylene-based rotomolded composites. Fiber content was the variable that most influenced mechanical properties, particularly impact strength and hardness due to the voids formed by the hydrodynamic volume between the polymer matrix and lignocellulosic filler. Chemical treatment of the fiber by mercerization with NaOH made it more hydrophobic and the addition of maleic anhydride-grafted polyethylene as a coupling agent improved the interfacial adhesion between the non-polar polymer matrix and polar filler. However, the best mechanical property results were obtained with the use of maleic anhydride-grafted polyethylene.

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Anionic Nylon 6/Zinc Composite Materials: Evaluation of Thermal and Mechanical Behavior

Cited by 16 publications

References 40 publications

Amorphous Poly(ethylene terephthalate) Composites with High-Aspect Ratio Aluminium Nano Platelets

Amorphous Poly(ethylene terephthalate) Composites with High-Aspect Ratio Aluminium Nano Platelets

Aluminum-Filled Amorphous-PET, a Composite Showing Simultaneous Increase in Modulus and Impact Resistance

Rotomolding and polyethylene composites with rotomolded lignocellulosic materials: A review

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