Effect of preparation on morphology-properties relationships in SAN/EPDM/PCC composites

Vrsaljko, Domagoj; Hrnjak-Murgić, Zlata; Blagojević, Sanja Lučić; Leskovac, Mirela; Krehula, Ljerka Kratofil; Siročić, Anita Ptiček; Katančić, Zvonimir; Kovačević, Vera; Jelenčić, Jasenka

doi:10.1177/0021998310381544

Cited by 6 publications

(3 citation statements)

References 19 publications

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“…Since U1S2 has weak interactions with the polymers (predicted by theoretical calculation), this was expected. It is important to notice that, neither of the filler locations cannot guarantee neither good nor bad mechanical properties of polymer blend composites because they always depend on overall system morphology .…”

Section: Resultsmentioning

confidence: 99%

Compatibilization of PUR/PVAC polymer blend by addition of calcium carbonate filler

Vrsaljko

Bao

2014

Polymer Composites

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The influence of untreated and stearic acid surface pretreated calcium carbonate (CaCO 3 ) nanofiller (U1untreated CaCO 3 and U1S2 -stearic acid treated CaCO 3 ) on the properties of polyurethane/poly(vinyl acetate) (PUR/PVAC) polymer blends was investigated. Adhesion between fillers and polymers in the polymer blend composite, and filler position in regard to the polymer phases, are predicted on the basis of calculated adhesion parameters and wetting factor xa of PUR, PVAC, U1, and U1S2. U1 is located in the PUR matrix phase and U1S2 is located at the interface between matrix PUR domain and dispersed PVAC domain. Polymer blend composites with predominant U1S2 showed lower tensile strength and elongation compared to these of polymer blend composites with predominant U1 mainly due to the fillers' different surface properties, which confirmed that the mechanical properties of polymer blend composites were dependent on overall system morphology rather than the filler location.

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Section: Resultsmentioning

confidence: 99%

Compatibilization of PUR/PVAC polymer blend by addition of calcium carbonate filler

Vrsaljko

Bao

2014

Polymer Composites

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“…SSA is a function of porosity, pore size distribution, shape, size, and roughness. [162] In general, most mechanical properties of filed polymer will increase as the specific surface area increases. As such it improves the interfacial adhesion and compatibility with polymer matric that are chemically dissimilar.…”

Section: Specific Surface Areamentioning

confidence: 99%

Effects of Functional Fillers in the Mechanical Properties of 3d-Printed Polylactic Acid Using Fused Deposition Modelling

Miparanum

Albar

Abando

2022

Preprint

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Polylactic acid (PLA) has increasingly attracted research in various industrial fields due to its great biocompatibility and sustainability over other thermoplastics, which are widely used as filament feedstock in 3D-printing technology, specifically in Fused Deposition Modelling (FDM). Despite PLA being suitable in FDM processing, it has limitations in applications that need plastic deformation at high-stress levels due to its low strength and ductility. For this purpose, this review article discusses the existing studies that involve the incorporation of fillers in 3D-printed polylactic acid to maximize its functionality, which is non-attainable by the pure filament material alone. An overview of polylactic acid in FDM and the properties and effects of functional fillers of different types are presented. Finally, a complete table of which functional fillers are categorized (carbonaceous, metallic, ceramic and glassy, plant-based, and mineral) summarizes the reported comparison of 3D-printed pure PLA and the composite, scoping to reveal the mechanical modifications of each filler.

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“…The purpose of surface modification of calcium carbonate with stearate and silica with methacrylsilane was to increase their dispersion in HDPE polymer matrix and establish interaction with WF. 15 Addition of proper coupling agent and/or lubricant in order to increase phase adhesion has been demonstrated in many studies. [16][17][18][19][20] Wielage et al 17 showed that using a low-molecular weight coupling agent (lubricant) can dramatically increase the tensile strength of WPCs by better wetting of the WF and polymer matrix.…”

Section: Introductionmentioning

confidence: 99%

Effect of modified nanofillers on fire retarded high-density polyethylene/wood composites

Katančić

Krehula

Siročić

et al. 2013

Journal of Composite Materials

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In this study fire retarded HDPE/WF composites based on high density polyethylene (HDPE) and wood flour (WF) were investigated. Polymer and WF ratio was kept at 70/30 while concentration of fire retardant was 20 mass %. Ammonium polyphosphate and aluminum hydroxide were used as fire retardants. To diminish the influence of high loadings of fire retardants on mechanical properties two different types of organically modified nanofillers (CaCO3 and SiO2) were used. Surface modification of HDPE polymer and nanofiller was done to enhance the compatibility in composite and improve the mechanical properties and fire performance. Mechanical properties were characterized by dynamic mechanical analysis while compatibility of components in composites was followed through morphology by scanning electron microscopy. Thermal and fire properties were characterized by thermogravimetric analysis, pyrolysis combustion flow calorimetry, and limiting oxygen index. The obtained results show that addition of surface modified nanofiller considerably affects the morphology resulting in the enhancement of mechanical and fire properties. Ammonium polyphosphate fire retardant in combination with SiO2 nanofiller showed the highest limiting oxygen index value, the lowest heat release rate, and total heat released in pyrolysis-combustion flow calorimetry test indicating best overall fire performance.

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Effect of preparation on morphology-properties relationships in SAN/EPDM/PCC composites

Cited by 6 publications

References 19 publications

Compatibilization of PUR/PVAC polymer blend by addition of calcium carbonate filler

Compatibilization of PUR/PVAC polymer blend by addition of calcium carbonate filler

Effects of Functional Fillers in the Mechanical Properties of 3d-Printed Polylactic Acid Using Fused Deposition Modelling

Effect of modified nanofillers on fire retarded high-density polyethylene/wood composites

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