Characterization Methods for Polyethylene‐Based Composites and Nanocomposites

Visakh, P. M.; Morlanes, María José Martínez

doi:10.1002/9781118831328.ch9

Cited by 6 publications

(9 citation statements)

References 60 publications

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“…For example, zeolite A and X with their different framework types had the same Si/Al ratio of 1, or zeolite X and Y having the same framework type contained different Si/Al ratios. 7 The cation content in zeolite was, however, affected by the Si/Al of zeolite. Zeolite with low Si/Al ratio provided more cation content than zeolite with high Si/Al ratio.…”

Section: Resultsmentioning

confidence: 99%

“…Zeolite can be divided according to Si/Al molar ratio as low (Si/Al = 1), intermediate (Si/Al = 2–5), and high (Si/Al ≥5) silica zeolites. 7 The Si/Al ratio of zeolite has influence on the ion exchange capacity of zeolite. There are several reports related with the use of different zeolites such as zeolite A, X, Y, ZSM-5, beta, mordenite, and clinoptilolite, impregnated with silver as an antibacterial agent in many applications.…”

Section: Introductionmentioning

confidence: 99%

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Migration, physical and antibacterial properties of silver zeolite/poly(butylene succinate) composite films for food packaging applications

Wattanawong

Chatchaipaiboon

Sreekirin

et al. 2019

Journal of Reinforced Plastics and Composites

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Bacterial growth on food is a main factor in the reduction of food quality, leading to short-term food shelf life. Development of antibacterial packaging can inhibit the bacterial growth and extend food shelf life. Silver loaded zeolite was used as the antibacterial agent in this work. Three zeolites (different Si/Al ratio) such as zeolite A, zeolite Y, and zeolite Socony Mobil-5 (ZSM-5) incorporating with the same silver content were prepared. The characterization was carried out by energy dispersive X-ray spectroscopy, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, nitrogen adsorption, and color analysis. Antibacterial activity of the three silver zeolites was tested against Escherichia coli and Staphylococcus aureus. Silver loaded zeolite ZSM-5 showed better bacterial inhibition than silver incorporated zeolite A and Y. For composite film preparation, silver loaded zeolite ZSM-5/poly(butylene succinate) composite films were prepared by varying silver loaded zeolite ZSM-5 concentrations and characterized by different techniques (mechanical test, scanning electron microscopy, and color analysis). Poly(butylene succinate) composite films filled with silver loaded zeolite ZSM-5 showed 99.9% of bacterial reduction within 24 h, indicating the effective antibacterial activity. From the silver migration results, the silver release from poly(butylene succinate) films was less than the limitation of European Food Safety Authority regulation, indicating the safety for food packaging applications.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Migration, physical and antibacterial properties of silver zeolite/poly(butylene succinate) composite films for food packaging applications

Wattanawong

Chatchaipaiboon

Sreekirin

et al. 2019

Journal of Reinforced Plastics and Composites

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“…The basic usage areas of LDPE based composites are composed of packaging films, automotive parts, electrical components, biomedical applications and energy storage materials. 5–8…”

Section: Introductionmentioning

confidence: 99%

“…The basic usage areas of LDPE based composites are composed of packaging films, automotive parts, electrical components, biomedical applications and energy storage materials. [5][6][7][8] Barite is a naturally occurring mineral which composed of barium sulfate. Turkey has one of the biggest barite reserves around the world.…”

Section: Introductionmentioning

confidence: 99%

Physical and mechanical performance of bentonite and barite loaded low density polyethylene composites: Influence of surface silanization of minerals

Elkawash

Tirkeş

Hacıoğlu³

et al. 2020

Journal of Composite Materials

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In this study, two kinds of mineral fillers, bentonite (BNT) and barite (BRT), were incorporated into low density polyethylene (LDPE) by extrusion process. Silane treatment was applied to BRT and BNT surfaces in order to increase their compatibility with LDPE matrix. Surface characteristics of fillers were examined by Fourier transformed infrared spectroscopy (FTIR). LDPE-based composites were prepared at a constant concentration of 10%wt for each additives. Test samples were shaped by injection molding process. Mechanical, thermo-mechanical, water repellency, melt-flow and morphological characterizations of LDPE and its composites were performed by tensile and impact tests, dynamic mechanical analysis (DMA), water absorption test, melt flow index (MFI) measurements and scanning electron microscopy (SEM) technique, respectively. Test results showed that surface treatments led to increase for final properties of composites since they promoted to stronger adhesion between minerals and LDPE matrix compared to untreated ones. Tensile and impact strength values, storage modulus and glass transition temperature of LDPE were improved by inclusion of silane treated minerals. BRT and BNT additions caused no remarkable changes with regard to MFI of LDPE. Additionally, silane modified mineral filled composites exhibited remarkable water resistance behavior. According to SEM analysis of composites, silane treated BNT and BRT containing samples displayed homogeneous dispersions into LDPE phase whereas debondings were observed for untreated BNT and BRT filled composites due to their weak adhesion to polymer matrix.

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“…So the molecular weight of UHMWPE is greater than molecular weight of HDPE AND MDPE. The molecular weight affects the degree of crystallinity which can be achieved within a material, [3].…”

Section: Introductionmentioning

confidence: 99%

Influence of Filling Medium Density Polyethylene With Vegetable Oils on Friction and Wear

Mahmoud¹,

Khashaba

2019

Journal of Modern Research

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This study aims to fill medium density polyethylene MDPE by four different types of oils and study the influence on wear and friction properties. The four oils are Chamomile oil, Mustard oil, Soy oil, and Almond oil. MDPE was filled with four different weight contents of each oil: 5, 10, 15, and 20 wt. %. The composites were tested using pin-on-disc instrument. Five loads were applied during test, 12 N, 14 N, 16 N, 18 N, and 20 N. The general trend of results showed improvement of wear resistance. Almond oil achieved the best result of resisting wear. 15 wt. % of Almond oil content achieved the lowest value of wear. 20 wt. % of almond oil content achieved the lowest wear value at the highest load. The friction tended to increase with increasing the oil weight content of chamomile oil, soy oil, and almond. For mustard oil, the friction decreased. The results showed that blending oils with MDPE has a counter effect on hardness. SEM micrographs showed the changes in surface topography of MDPE due to filling oils with it.

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Characterization Methods for Polyethylene‐Based Composites and Nanocomposites

Cited by 6 publications

References 60 publications

Migration, physical and antibacterial properties of silver zeolite/poly(butylene succinate) composite films for food packaging applications

Migration, physical and antibacterial properties of silver zeolite/poly(butylene succinate) composite films for food packaging applications

Physical and mechanical performance of bentonite and barite loaded low density polyethylene composites: Influence of surface silanization of minerals

Influence of Filling Medium Density Polyethylene With Vegetable Oils on Friction and Wear

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