The effect of natural sunlight on the strength of polyamide 6 multifilament and monofilament fishing net materials

Thomas, Sujitha; Hridayanathan, C.

doi:10.1016/j.fishres.2006.06.012

Cited by 35 publications

(11 citation statements)

References 5 publications

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“…Tensile tests, Fourier transform infrared spectroscopy, and differential scanning calorimetry analysis were conducted to study the variation of the structure and performance with the aging time. Thomas and Hridayanathan studied the effect of natural sunlight on four polyamide monofilament yarns and four polyamide multifilament twines, which were exposed to solar radiation on Willingdon Island, India, with marine atmospheric conditions for 180 days. Subsamples were drawn at intervals to study the effect of aging on the breaking strength and elongation at break.…”

Section: Introductionmentioning

confidence: 89%

“…It can accurately reflect the effects of the temperature, humidity, solar radiation, and air pollutant in the natural environment on their performances to provide a basis for the evaluation of their natural environmental adaptability and service lives . For polyamide materials, some related research literature is available . Li et al put nylon 66 and reinforced nylon 66 (containing 30 wt % glass fibers) in the Wuhan Exposure Testing Station of China for a period of 3 years’ for a natural aging test and studied the variation of the mechanical properties and water absorption with aging time.…”

Section: Introductionmentioning

confidence: 99%

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Outdoor weathering behavior of polyamide 6 under various climates in China

Shi

Gao

Tao

et al. 2016

J of Applied Polymer Sci

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The outdoor natural weathering of polyamide 6 (PA6) was performed at six national standard natural exposure stations (at Qionghai, Guangzhou, Qingdao, Lhasa, Hailaer, and Ruoqiang), which represented the six typical climates over China. The outdoor aging behavior was studied. We found that under high temperature and humidity in the areas of Guangzhou, Qionghai, and Qingdao, the concentration of the end carboxyl group of PA6 increased significantly and the molecular weight decreased because of serious hydrolytic degradation. This resulted in a deterioration of the mechanical properties, high yellowing degree, and serious damage of the sample surface. While in the areas of Lhasa and Ruoqiang, with the relatively low temperature, humidity, and oxygen content in the atmosphere, the aging degree and corrosion index were low, and this resulted in the slow change of performances. Humidity, temperature, and rainfall may be the main environmental factors affecting the degradation of PA6. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 44231.

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Section: Introductionmentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Outdoor weathering behavior of polyamide 6 under various climates in China

Shi

Gao

Tao

et al. 2016

J of Applied Polymer Sci

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“…The emissions and leaks of large shipping are considered as an important source of microplastics [ 64 ]. Loss and damage of fishing and aquaculture equipment can easily introduce plastic particles into the ocean [ 9 , 65 , 66 ]. Followed by marine aquaculture, the main offshore source is the world’s fishing fleet [ 67 ], garbage illegally discarded from ships or offshore platforms [ 68 ], and a large proportion of items comes from lost containers [ 56 , 69 ].…”

Section: Sources and Fates Of Mps In Marine Environmentmentioning

confidence: 99%

Microplastics in the Marine Environment: Sources, Fates, Impacts and Microbial Degradation

Yang

Chen

Wang

2021

Toxics

123

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The serious global microplastic pollution has attracted public concern in recent years. Microplastics are widely distributed in various environments and their pollution is already ubiquitous in the ocean system, which contributes to exponential concern in the past decade and different research areas. Due to their tiny size coupled with the various microbial communities in aquatic habitats capable of accumulating organic pollutants, abundant literature is available for assessing the negative impact of MPs on the physiology of marine organisms and eventually on the human health. This study summarizes the current literature on MPs in the marine environment to obtain a better knowledge about MP contamination. This review contains three sections: (1) sources and fates of MPs in the marine environment, (2) impacts of MPs on marine organisms, and (3) bacteria for the degradation of marine MPs. Some measures and efforts must be taken to solve the environmental problems caused by microplastics. The knowledge in this review will provide background information for marine microplastics studies and management strategies in future.

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“…It is estimated that there were approximately 4.7 million fishing vessels globally in 2012 (Moffitt and Cajas-Cano, 2014). Sometimes, lost, abandoned, worn-out of fishing and aquaculture gears (including PE netting and twine) (Al-Oufi et al, 2004; Thomas and Hridayanathan, 2006), and other equipment during use can easily result in the introduction of microplastic particles, which continue to entangle or kill marine life and damages habitats, ultimately impacting fish stocks and quality. Besides, operational and accidental spills by large shipping vessels and cargo are also regarded as the significant source of resin pellets despite the fact that monitoring data for these are sparse.…”

Section: Sources Of Microplasticsmentioning

confidence: 99%

A critical review on the sources and instruments of marine microplastics and prospects on the relevant management in China

2018

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The world's oceans are suffering a constant and unprecedented accumulation of emerging plastic contaminants known as microplastics with a particle diameter smaller than 5mm. Microplastics exhibit a widespread distribution in various habitats from land to the oceans, and even reach the most remote regions - the deep sea and the polar, receiving attention exponentially in the past few years. Owing to their small size, marine species risk getting ingested and entangled in microplastics, causing suffocation, starvation, physical trauma or damage from chemicals, which poses vast and growing threats to biodiversity and the food web. This review article focuses on the various sources attributed to marine microplastics, the latest international, regional and national countermeasures to combat marine litter, as well as the status quo of microplastics pollution, legislation and regulations in China, and furthermore provides improving proposals/solutions on key research gaps, governance and management for future environmental control and policymaking in China.

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The effect of natural sunlight on the strength of polyamide 6 multifilament and monofilament fishing net materials

Cited by 35 publications

References 5 publications

Outdoor weathering behavior of polyamide 6 under various climates in China

Outdoor weathering behavior of polyamide 6 under various climates in China

Microplastics in the Marine Environment: Sources, Fates, Impacts and Microbial Degradation

A critical review on the sources and instruments of marine microplastics and prospects on the relevant management in China

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