نتایج جستجو برای: synthetic leather

تعداد نتایج: 143726  

2016
Mary Greenwell Mosharraf Sarker

Received: February 25, 2016 Revised: May 08, 2016 Accepted: June 16, 2016 Abstract: Background: The leather industry contributes vast amounts of pollution damaging to aquatic and terrestrial environments. Leather dust is a chromium-contaminated waste produced from the shaving and buffering processes involved in leather tanning. Microorganisms have been investigated for their usefulness in biore...

2002

Animal skin that has been processed to retain its flexibility, toughness, and waterproof nature is known as leather, and the leather industry is New Zealand's seventh largest industry. New Zealand leather is made by processing the skins of animals slaughtered in the meat processing industry, and hence the majority of skins tanned are those of sheep and cattle. Animal skins are converted to leat...

Journal: :British journal of industrial medicine 1986
L D Marrett P Hartge J W Meigs

A large case-control study of bladder cancer (2982 cases; 5782 controls) included information about occupational exposure to leather. Occupational histories of exposed white study subjects were reviewed and 150 were determined to have had "true" on the job exposure to leather. The odds ratio estimate (OR) of bladder cancer associated with such exposure in white subjects (n = 8063) was 1.4 (95% ...

2015
Ya-nan Wang Hongshou Zhang Ling Tian Jianfei Zhou Mingrong Cao Bi Shi

Surface charge and isoelectric point of leather play an important role in the production of leather. However, a precise and rapid method for the determination of leather surface charge and isoelectric point is unavailable nowadays due to the complexity of the structure of leather, especially for chromefree tanned leather. Therefore, it is necessary to develop a quantitative determination method...

ژورنال: طلوع بهداشت یزد 2014
احرام پوش, محمد حسن, جمشیدی, بهزاد, دهواری, محبوبه, سودائی زاده, حمید, عسکری شاهی, محسن, قانعیان, محمد تقی,

Introduction: One of the heavy metals is chromium which is used in trivalent and Hexavalent oxidation state in industries such as, glass, ceramic, tannery, leather especially in electroplating industries. Hexavalent Chromium has proven several health hazards such as a carcinogen. The aim of this study was to investigate the efficiency of Melia azedarach ash in the removal of hexavalent chromium...

Journal: :Tekstil Ve Konfeksiyon 2021

Natural leather products, which are by-products of the meat industry, used because their high air vapor permeability and elegant appearance compared to synthetic leather. The production flame retardant is important for some types such as motorcyclist jackets, flight or automotive upholstery leathers, military boots. It frequently mentioned in literature that resinous chemicals create effects te...

Journal: :Indian journal of dermatology, venereology and leprology 2007
S Chidambara Murthy Karjigi Siddalingappa T Suresh

(w ww .m ed kn ow .co m) . shoes and to the inner surface of the sandal strap of the third volunteer. The pieces were left in place for one week during which period, the volunteers used the shoes routinely. A small piece of leather 1 x 1 cm in size was removed after one week from each of the six pieces and subjected to spot testing with DPC. Of these six pieces of leather, all the leather piece...

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