نتایج جستجو برای: leather properties

تعداد نتایج: 871321  

Journal: :British journal of industrial medicine 1985
E C Pippard E D Acheson P D Winter

The mortality of 833 male tannery workers known to have been employed in the industry in 1939 and who were followed up to the end of 1982 was studied. A total of 573 men had been employed in making leather tanned by vegetable extracts for soles and heels, and 260 men had used chrome tanning to make leather for the upper parts of shoes. No significant excesses of deaths were found for any of the...

Journal: : 2022

Asurlu tüccarlar, Asur Ticaret Kolonileri Dönemi’nde, Anadolu’daki şehir devletlerinde Asur’dan getirdikleri temel ürünler olan kalay ve çeşitli yün kumaşların dışında, Anadolu menşeli bakır gibi ürünlerin de ticaretini yaparak kazançlarını artırma gayreti içinde olmuşlardır. Tüccarların yaptıkları bu ürünlere yine şehirlerinden tedarik edilen deri ya da post eklenebilir. Kültepe tabletlerinde ...

2015

Perfluoroalkyls constitute a class of compounds that have been used extensively in surface coating and protectant formulations due to their unique surfactant properties. Major applications have included protectants for paper and cardboard packaging products, carpets, leather products, and textiles that enhance water, grease, and soil repellency. Perfluoroalkyls have also been used as processing...

Journal: :Textile & leather review 2021

Based on the environmental condition, a shoe manufactured with different suitable materials has to provide optimum comfort and strength features by using high-quality leather parts. The aim of study is evaluate quality upper in Bangladesh. Ten types leather, made from cow hides goat skins, were collected footwear industries research was carried out approved methods analysis as per International...

Journal: :Sustainability 2023

This investigation was focused on evaluating the utilization of Leather-waste, i.e., “Leather Shavings”, to develop “Poly(ethylene-vinyl-acetate)” (EVA) based “polymer matrix composites”. Composites with highest ratio 1:1 were developed using a rolling-mill, which then subjected hot-press molding for value-added applications, notably in “floor-covering”, “structural”, “footwear”, and “transport...

A. Lavvaf, M. Salehi, T. Farahvash

To investigate the characteristics of skin and leather of hairy goats according to their sex and age, 120 goat skins were selected from the western part of Iran. Results indicated that sex and age had significant effects on weight and area of skin and leather. Moreover, sex and age had significant effects on thickness in different parts of skin except the belly. In this regard, the overall mean...

Journal: :Journal of Leather Science and Engineering 2021

Abstract Chitosan is an amorphous translucent substance with a structural unit similar to the polysaccharide structure of extracellular matrix, It has good antibacterial, biocompatible, and degradable properties. important application value in leather, water treatment, medicine, food other fields, so chitosan its modified products have received widespread attention. This article reviewed prepar...

2015
Frederik Mathiason Carola Lidén Yolanda S. Hedberg

BACKGROUND Approximately 1-3% of the adult population in Europe are allergic to chromium (Cr). A new restriction in Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) based on the ISO 17075 standard has recently been adopted in the EU to limit Cr(VI) in consumer and occupational leather products to < 3 mg/kg. OBJECTIVES To investigate the influence of storage conditi...

Journal: : 2021

The work is devoted to the study of possibility using dimethylsulfoxide (DMSO) in technology obtaining a semi-finished leather product improve its functional and technological properties intensify process production. was prepared according traditional (control) experimental technologies by dipping method. involved introduction DMSO into ash, pickle tannin solutions various concentrations: 2.0; ...

Journal: :Waste management 2014
Marian Crudu Viorica Deselnicu Dana Corina Deselnicu Luminita Albu

The development of new tanning agents and new technologies in the leather sector is required to cope with the increasingly higher environmental pressure on the current tanning materials and processes such as tanning with chromium salts. In this paper, the use of titanium wastes (cuttings) resulting from the process of obtaining highly pure titanium (ingots), for the synthesis of new tanning age...

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