Innovative Technologies for Manufacturing Leather and Fur Products (190,00 руб.)

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UDC 675.02:330.341(075) Published by the decision of the Editorial Review Board of the Kazan National Research Technological University Reviewers: PhD in Engineering N. Degtyarev PhD in Engineering V. Abdullina Ostrovskaya A. Innovative Technologies for Manufacturing Leather and Fur Products : A Study Guide / A. Ostrovskaya, R. Shagivalieva, M. Suntsova; The Ministry of Education and Science of the Russian Federation, Kazan National Research Technological University. – Kazan : KNRTU Press, 2023. – 96 p. ISBN 978-5-7882-3320-8 This study guide contains the characteristics of raw materials used in manufacturing leather and fur products and describes the techniques and methods of processing the same with inorganic substances, from preserving through tanning and dressing. It is intended for students pursuing a bachelor’s degree in Consumer Goods Industry Technology and majoring in the Innovative Technologies for Manufacturing Leather and Fur Products. It was developed at the Department of Plasma Technology and Nanotechnology of High Molecular Weight Materials. UDC 675.02:330.341(075) ISBN 978-5-7882-3320-8 © A. Ostrovskaya, R. Shagivalieva, M. Suntsova, 2023 © Kazan National Research Technological University, 2023 2

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T A B L E O F C O N T E N T S INTRODUCTION ................................................................................................... 4 1. RAW MATERIALS FOR LEATHER AND FUR PRODUCTION .................. 7 1.1. General Description of Hides and Skins ...................................................... 7 1.2. Primary Processes of Raw Materials ......................................................... 15 2. CLASSIFYING THE BASIC TYPES OF RAW HIDES AND FURS ............ 22 2.1. Types of Raw Hides and Furs .................................................................... 22 2.2. Rawhide Defects ........................................................................................ 35 2.3. Selecting Raw Materials for Stocks ........................................................... 38 2.4. Defining the Concepts of Leather and Fur. Principally Classifying Leathers and Furs .............................................................................................. 40 3. PRIMARY PROCESSES AND OPERATIONS IN LEATHER AND FUR PRODUCTION ................................................................................... 45 3.1. Basic Process Flow Parameters ................................................................. 46 3.2. Soaking of Raw Hides ............................................................................... 47 3.3. Mechanical Fur-Processing Operations at Preparatory Stages .................. 51 3.4. Degreasing ................................................................................................. 52 3.4.1. Degreasing Techniques ..................................................................... 53 3.4.2. Degreasing Practices ......................................................................... 55 3.5. Dehairing and Liming ................................................................................ 56 3.6. Mechanical Rawhide - and Skin-Processing Operations ........................... 61 3.7. Re-Liming and Abating ............................................................................. 63 3.8. Pickling ...................................................................................................... 66 4. TANNAGE ........................................................................................................ 68 4.2. Neutralizing ............................................................................................... 81 4.3. Retannage .................................................................................................. 83 CONCLUSION...................................................................................................... 92 3

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