Practical guide to latex technology /
Latex-based technology forms a sizable fraction of natural and synthetic rubber technology and an introduction to the important technologies is beneficial to all practicing technical personnel. This book offers a condensed practical guidance on the technologies used for the production of important l...
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| Main Author: | |
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| Format: | Electronic eBook |
| Language: | English |
| Published: |
Shawbury [England] :
Smithers Rapra,
2013.
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| Series: | Engineering professional collection
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| Subjects: | |
| Online Access: | CONNECT |
Table of Contents:
- 9781847355669_Front Cover; 9781847355669_Contents; Preface; 1 An Introduction to Natural Rubber Latex; 1.1 History; 1.2 Tapping; 1.2.1 Tapping Notations; 1.2.1.1 Tapping Method; 1.2.1.2 Panel Notation; 1.2.1.3 Yield Stimulated Tapping Notations; 1.3 Latex Collection and Storage; 1.3.1 Latex Collection; 1.3.2 Collection of Field Coagulum; 1.4 Conversion to Marketable Forms; 1.4.1 Ribbed Sheets; 1.4.2 Crepe Rubber; 1.4.3 Field Coagulum Crepe; 1.4.4 Technically Specified Rubber; References; 2 Natural Rubber Latex: Preservation and Concentration; 2.1 Preservation.
- 2.1.1 Chemical Composition of Fresh Latex2.1.2 Spontaneous Coagulation and Putrefaction; 2.1.3 Preservatives; 2.1.3.1 Ammonia as a Preservative; 2.1.3.2 Low-ammonia Preservative Systems; 2.1.4 Processing into Preserved Field Latex; 2.1.4.1 Handling of Ammonia; 2.1.4.2 Dosage of Preservatives; 2.1.4.3 Sludge Removal; 2.2 Concentration; 2.2.1 Creaming; 2.2.1.1 Principle; 2.2.1.2 Creaming Agents; 2.2.1.3 Creaming Process; 2.2.1.4 Factors Affecting Creaming Efficiency; 2.2.1.5 Advantages and Disadvantages; 2.2.2 Centrifuging; 2.2.2.1 Principle; 2.2.2.2 Concentrating Process.
- 2.2.2.3 Efficiency of the Process2.2.3 Skim Latex and Recovery of Skim Rubber; 2.3 Quality Standards; 2.3.1 Requirements; 2.4 Packing and Despatch; References; 3 Latex Compounding Ingredients; 3.1 Compounding Ingredients; 3.1.1 Curing Agent: Sulfur; 3.1.2 Accelerators; 3.1.3 Antioxidants; 3.1.4 Fillers and Pigments; 3.1.4.1 Kaolinite Clays; 3.1.4.2 Calcium Carbonate; 3.1.4.3 Titanium Dioxide; 3.1.4.4 Lithopone; 3.1.4.5 Barytes; 3.1.4.6 Carbon Black; 3.1.5 Stabilisers; 3.1.6 Thickening and Wetting Agents; 3.1.7 Other Compounding Ingredients; 3.2 Preparation of Aqueous Dispersions and Emulsions.
- 3.2.1 Dispersion of Water Insoluble Solids3.2.2 Evaluation of the Quality of Dispersion; 3.3 Preparation of Emulsions; References; 4 Dipping and Casting; 4.1 Dipping; 4.1.1 Types of Dipping Processes; 4.1.2 Glove Production; 4.1.2.1 Batch Dipping Process; 4.1.2.2 Continuous Dipping Process; 4.1.3 The Manufacturing Process; 4.1.3.1 Material Inputs; 4.1.3.2 Ceramic Formers/Moulds; 4.1.3.3 Latex Concentrate; 4.1.4 Rubber Chemicals; 4.1.4.1 Packing Materials; 4.1.4.2 Compounding; 4.1.4.3 Coagulant Dipping; 4.1.4.4 Latex Dipping; 4.1.4.5 Beading; 4.1.4.6 Leaching; 4.1.4.7 Vulcanisation.
- 4.1.4.8 Post Leaching4.1.4.9 Slurry Dip; 4.1.4.10 Stripping; 4.1.4.11 Tumbling; 4.1.4.12 Quality Control; 4.1.4.13 Glove Packing; 4.1.4.14 Glove Sterilisation; 4.1.4.15 Finished Gloves; 4.1.5 Glove Properties; 4.1.6 Defects and Remedies; 4.2 Latex Casting; 4.2.1 Latex Casting using Plaster Mould; 4.2.2 Latex Casting using a Metal Mould; References; Additional Reading; 5.1 Latex Foam Rubber; 5 Latex Foam, Thread and Adhesives; 5.1.1 The Dunlop Process; 5.1.2 The Talalay Process; 5.1.3 Testing of Latex Foam; 5.1.3.1 Indentation Hardness Index; 5.1.3.2 Measurement of Dimensions.
