Radiation-induced grafting of acrylic acid onto polypropylene film and its biodegradability

Mandal, Dev K.; Bhunia, Haripada; Bajpai, Pratima; Chaudhari, C. V.; Dubey, K.A.; Varshney, Lalit

doi:10.1016/j.radphyschem.2016.02.011

Cited by 40 publications

(16 citation statements)

References 31 publications

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“…The surface of fibers appeared granular substances and formed the hierarchical roughness structure. As the concentration increased, the size of the surface particulates was bigger due to the AAc monomer is excessive …”

Section: Resultsmentioning

confidence: 99%

Application of surface wettability modified polypropylene nonwoven in Janus composite fibrous mats for the function of directional water transport

Zhang²,

Wang

et al. 2019

Polymers for Advanced Techs

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Textiles with the function of directional water (sweat) transport play a pivotal role in regulating human thermal and wet comfort. Polypropylene nonwoven (PPNW) fabric has an excellent moisture (sweat) conduction due to its inert water absorption, which makes moisture be difficult to adhere on the PP fiber surface. Nevertheless, excessive hydrophobicity also affects the comfort of clothing materials, and thus it is significant to improve wettability of PP fiber used in the field of textile. In this study, it was reported a kind of composite fibrous mats with the function of directional water transport. The polymerization of acrylic acid (AAc) was grafted on the surface of plasma-treated PPNW (TPPNW) as the inner layer (TPPNW-AAc), which was able to improve the wettability of the PPNW surface. Polyacrylonitrile containing alumina nano-particles (PAN-Al 2 O 3 ) layer was deposited on the surface of TPPNW-AAc by electrospinning technology as the outer layer. The wettability difference between the inner and outer layers of the material was utilized to induce the push-pull effect to transport water from the TPPNW-AAc layer to the PAN-Al 2 O 3 layer. The surface wettability of the TPPNW-AAc layer and the performance of the directional water transport of composite fibrous mats were characterized systematically. Experimental results demonstrated that the composite fibrous mats showed the excellent accumulative one-way transport index (AOTI, 870%), remarkable overall moisture management capacity (OMMC, 0.8) when the contact angle of the TPPNW-AAc surface can be reduced from 119°to 30°, and decent wearability performance.

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Section: Resultsmentioning

confidence: 99%

Application of surface wettability modified polypropylene nonwoven in Janus composite fibrous mats for the function of directional water transport

Zhang²,

Wang

et al. 2019

Polymers for Advanced Techs

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“…35 While in the spectrum of PLA- g -PAA, two new peaks at 1706 and 922 cm –1 appears, corresponding to the C=O and −OH in the carboxyl group of acrylic acid grafted on the surface of PLA films. 36 These two bands are enhanced with the increase of GY. These results indicate that PAA chains are successfully grafted onto the surface of PLA films.…”

Section: Resultsmentioning

confidence: 97%

Hydrophilic and Antibacterial Modification of Poly(lactic acid) Films by γ-ray Irradiation

et al. 2019

ACS Omega

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To improve the hydrophilicity and imparting antibacterial properties to poly(lactic acid), poly(acrylic acid) (PAA) and silver particles (AgNPs) were simultaneously introduced onto the surface of poly(lactic acid) (PLA) films by γ-ray irradiation. The morphology and structure of the modified films were characterized by scanning electron microscopy (SEM)/energy-dispersive X-ray (EDX) spectrometry and Fourier transform infrared (FTIR) spectroscopy. The interaction between PAA and AgNPs was investigated by X-ray photoelectron spectroscopy (XPS), confirming the coordination between AgNPs and the oxygen atom on the carboxylic group of PAA. The contact-angle (CA) measurements and antibacterial tests showed that the modified PLA films with a low silver content (PLA-g-PAA-Ag) exhibited excellent hydrophilicity as well as antibacterial activity compared with the neat PLA film.

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“…The charge carriers may be electrons or positive holes. The decrease in electrical resistivity of the grafted films could be due to the introduced polar groups (OH and C=O) with their lone pair of electron and the subsequent increase in the amorphous fraction in the polymer matrix due to grafting [36].…”

Section: Electrical Measurements For Grafted Membranesmentioning

confidence: 99%

Enhancement the properties of high and low-density polyethylene membranes by radiation grafting process

et al. 2019

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In this work, trials have been made to prepare different graft copolymers by direct irradiation grafting technique and evaluating their reverse osmosis properties. The acrylic acid monomer was grafted onto two improper polymers (low and high-density polyethylene) by means of gamma-ray as a motivator. The optimum conditions of preparation were using acetone as a solvent, monomer concentration 30% (wt/wt), using anhydrous ferric chloride as an inhibitor with optimum concentration 0.1% (wt/wt) and irradiation dose 20 KGy. Mechanical, rheological and thermal properties of the prepared membrane were also investigated. The prepared grafted membranes showed significant results in RO desalination method using underground saline water from Abo Swear, Ismailia, Egypt.

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Radiation-induced grafting of acrylic acid onto polypropylene film and its biodegradability

Cited by 40 publications

References 31 publications

Application of surface wettability modified polypropylene nonwoven in Janus composite fibrous mats for the function of directional water transport

Application of surface wettability modified polypropylene nonwoven in Janus composite fibrous mats for the function of directional water transport

Hydrophilic and Antibacterial Modification of Poly(lactic acid) Films by γ-ray Irradiation

Enhancement the properties of high and low-density polyethylene membranes by radiation grafting process

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