Polyethylene‐g‐starch nanoparticle biocomposites: Physicochemical properties and biodegradation studies

Sheeja,; Manaf, O.; Juraij, K.; Sundaran, P Sneha; Ashitha, K.; Aleena, L.S.; Sujith, A.

doi:10.1002/pc.24503

Cited by 10 publications

(6 citation statements)

References 79 publications

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“…In the analyzed case, it can be observed that the change in the roughness of the PE films is similar to the changes in their crystalline structure [ 51 ]. A similar relationship was observed by Sheeja et al [ 91 ]. In the case of the PLA film, its roughness is clearly related to the presence of a filler, which was confirmed by microscopic images ( Figure 2 ) and the photographs taken by the profiler ( Figure 7 ), where spot elevations above the average line were observed.…”

Section: Resultssupporting

confidence: 90%

Modern Biodegradable Plastics—Processing and Properties Part II

2021

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Four different plastics were tested: potato starch based plastic (TPS-P)–BIOPLAST GF 106/02; corn starch based plastic (TPS-C)–BioComp BF 01HP; polylactic acid (polylactide) plastic (PLA)—BioComp BF 7210 and low density polyethylene, trade name Malen E FABS 23-D022; as a petrochemical reference sample. Using the blown film extrusion method and various screw rotational speeds, films were obtained and tested, as a result of which the following were determined: breaking stress, strain at break, static and dynamic friction coefficient of film in longitudinal and transverse direction, puncture resistance and strain at break, color, brightness and gloss of film, surface roughness, barrier properties and microstructure. The biodegradable plastics tested are characterized by comparable or even better mechanical strength than petrochemical polyethylene for the range of film blowing processing parameters used here. The effect of the screw rotational speed on the mechanical characteristics of the films obtained was also demonstrated. With the increase in the screw rotational speed, the decrease of barrier properties was also observed. No correlation between roughness and permeability of gases and water vapor was shown. It was indicated that biodegradable plastics might be competitive for conventional petrochemical materials used in film blowing niche applications where cost, recyclability, optical and water vapor barrier properties are not critical.

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Section: Resultssupporting

confidence: 90%

Modern Biodegradable Plastics—Processing and Properties Part II

2021

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“…The static friction coefficient increases with increasing the speed, and the difference between its values obtained with 20 rpm and 40 rpm amounts to 220%. This is probably caused by a higher cooling rate and a higher degree of crystallinity due to more intensive crystallite nucleation [25].…”

Section: Resultsmentioning

confidence: 99%

Influence of the Biocidal Agent Layer on Selected Properties of the Blown Polyethylene Film

Jachowicz¹,

Kłonica²,

Majewski³

2020

Adv. Sci. Technol. Res. J.

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This paper discusses the problems connected with applying a biocidal substance onto the surface of a blown extruded polyethylene film in order to improve the functional properties of the film while maintaining its processing properties unchanged. The objective of the study was to determine the relationship between biocide application method and selected properties of the tube film. Two methods of biocide application onto the film surface were developed: one relied on spraying the biocide onto the hot melt surface directly during the extrusion process, while in the other the biocide was sprayed horizontally onto the blown film after the extrusion process. Biocide distribution uniformity, friction coefficients and surface free energy of the modified film were examined, and the quality and mechanical strength of heat-sealed joints were estimated. In addition, the geometric properties of the blown film were determined.

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“…Ltd. L929 mouse fibroblast cells for cell culture were supplied from the National center for cell sciences (India). Starch nanoparticles (NS) have been synthesized according to the literature (Sheeja et al 2017). The detailed procedure has been given in the supplementary data.…”

Section: Methodsmentioning

confidence: 99%

Poly ɛ-caprolactone/nanostarch composite nanofibrous wound dressing with antibacterial property and pH stimulus drug release

et al. 2021

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Chronic wound infections pose a major threat in wound care management. Recently, many functional materials have been introduced, to fabricate wound dressings. These wound dressing materials not only cover the wound but also facilitate its healing process. In this study, a novel nanostarch (NS) laden composite nanofibrous membrane of PCL was developed for wound dressing. Electrospun membrane loaded with 25 wt% NS (25NS@PCL), showed an average fiber diameter of 175 ± 37 nm with enhanced hydrophilicity, water uptake, water permeability, and biodegradation. The membrane exhibited good blood compatibility along with lower coagulation properties and high cell proliferation. Furthermore, this membrane displayed pH stimuli drug (gentamicin) releasing behavior and diffusion-controlled release kinetics. The drug-loaded 25NS@PCL membrane imparted antibacterial potency for a prolonged time against both Escherichia Coli and Staphylococcus aureus. These results confirmed that the 25NS@PCL membrane can be a promising candidate for the development of pHresponsive transdermal drug delivery material.

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Polyethylene‐g‐starch nanoparticle biocomposites: Physicochemical properties and biodegradation studies

Cited by 10 publications

References 79 publications

Modern Biodegradable Plastics—Processing and Properties Part II

Modern Biodegradable Plastics—Processing and Properties Part II

Influence of the Biocidal Agent Layer on Selected Properties of the Blown Polyethylene Film

Poly ɛ-caprolactone/nanostarch composite nanofibrous wound dressing with antibacterial property and pH stimulus drug release

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