Composition Of A Blend Of Polyamide And Polyester Resins
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The Complete Technology Book on Expanded Plastics Polyurethane Polyamide and Polyester Fibres
Author | : NIIR Board of Consultants and Engineers |
Publsiher | : ASIA PACIFIC BUSINESS PRESS Inc. |
Total Pages | : 544 |
Release | : 2006-10-01 |
Genre | : Electronic Book |
ISBN | : 9788178330013 |
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Expanded plastics are also known as foamed plastics or cellular plastics. Expanded plastics can be flexible, semi flexible, semi rigid or rigid. They can also be thermoplastic or thermosetting and can exist as open celled or closed celled materials. Expanded plastics may be prepared from most synthetic and many natural polymers. Most of the industrially important ones are made from polystyrene, polyvinyl chloride, polyurethanes and polyethylene, as well as from resins that derive from phenol, epoxy, etc. Polyurethane (PUR and PU) is polymer composed of a chain of organic units joined by carbamate (urethane) links. Polyurethane polymers are formed by combining two bi or higher functional monomers. One contains two or more isocyanate functional groups and the other contains two or more hydroxyl groups. More complicated monomers are also used.The Polyurethanes are among the most recent additions to the many commercially important classes of polymers. Urethanes can be considered esters of the unstable carbamics acid or amide esters of carbonic acid. A polyamide is a polymer containing monomers of amides joined by peptide bonds. They can occur both naturally and artificially, examples being proteins, such as wool and silk, and can be made artificially through step growth polymerization or solid phase synthesis. Polyamides are commonly used in textiles, automotives, carpet and sportswear due to their extreme durability and strength. Polyester is a category of polymers which contain the ester functional group in their main chain. Natural polyesters and a few synthetic ones are biodegradable, but most synthetic polyesters are not. Polyester fibres are produced by the melt spinning process. Raw materials are heated to a spinning mass, which is then pressed through spinnerets. Manufacturing techniques are now developed to the point where they can produce fibres adapted to suit the widest possible applications: they can have round, oval or angular profiles, making them firm to the touch. Applications of these polymers are in various fields like rubber industry, textile industry, chemical industries etc. Some of the fundamentals of the book are epoxy curing system, background, process conditions, polyether polyols with epoxy resins, highlights of the technological achievement, laminates comprising a hard foam layer and a fiber reinforced synthetic resin layer, highlights of the technological achievement, process conditions, plastic deformation, modification of amino polyols with epoxy resins, producing expanded and cured polyester resin, foamed unsaturated polyester resins with gel coat, cross linked polyester, unsaturated polyester compositions with high impact strength, foam crystallization of condensation polymers, acrylate rubber modification of aromatic polyesters etc. The present book covers processes of expanded plastics, polyurethane, polyamides with other related information required by an entrepreneur. This book is very useful for technocrats, researchers, entrepreneurs and professionals.
Engineered Materials Abstracts
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 274 |
Release | : 1994-02 |
Genre | : Ceramic materials |
ISBN | : UOM:39015030249778 |
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Carbamates Advances in Research and Application 2013 Edition
Author | : Anonim |
Publsiher | : ScholarlyEditions |
Total Pages | : 766 |
Release | : 2013-06-21 |
Genre | : Science |
ISBN | : 9781481673907 |
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Carbamates—Advances in Research and Application: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Phenylcarbamates. The editors have built Carbamates—Advances in Research and Application: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Phenylcarbamates in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Carbamates—Advances in Research and Application: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.
Official Gazette of the United States Patent and Trademark Office
Author | : United States. Patent and Trademark Office |
Publsiher | : Unknown |
Total Pages | : 1512 |
Release | : 2002 |
Genre | : Patents |
ISBN | : PSU:000066183273 |
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Polyesters and Polyamides
Author | : B L Deopura,R Alagirusamy,M Joshi,B Gupta |
Publsiher | : Elsevier |
Total Pages | : 632 |
Release | : 2008-06-17 |
Genre | : Technology & Engineering |
ISBN | : 9781845694609 |
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Polyesters and polyamides remain the most used group of synthetic fibres. This authoritative book reviews methods of their production, ways of improving their functionality and their wide range of applications. The first part of the book describes raw materials and manufacturing processes, including environmental issues. Part two considers ways of improving the functionality of polyester and polyamide fibres, including blending, weaving, coloration and other finishing techniques as well as new techniques such as nanotechnology. The final part of the book reviews the range of uses of these important fibres, from apparel and sportswear to automotive, medical and civil engineering applications. With its distinguished editors and international team of contributors, Polyesters and polyamides is a standard reference for all those using this important group of fibres. Reviews the chemical and physical properties of each fibre and their manufacture Analyses how the functionality of polyester and polyamides can be improved Provides examples of how the fibres are used in applications
Advanced Polymers Abstracts
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 736 |
Release | : 1996 |
Genre | : Materials |
ISBN | : UOM:39015036219973 |
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Official Gazette of the United States Patent and Trademark Office
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 1476 |
Release | : 2001 |
Genre | : Patents |
ISBN | : PSU:000066183044 |
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Polymer Blends
Author | : L.A. Utracki |
Publsiher | : iSmithers Rapra Publishing |
Total Pages | : 180 |
Release | : 2000 |
Genre | : Technology & Engineering |
ISBN | : 1859572308 |
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This report begins by summarising the basis of polymer blending. This includes an outline of the techniques being used to characterise blends including spectroscopic techniques and rheometry. The types of polymer blends which have been studied are outlined. Methods of compatibilisation are discussed. The morphology of the phases in a blend is critical to property development - the types of morphology observed are described. Flow-induced morphology is described. Processing of blends and the effects on morphology are discussed including extrusion, thermoforming, blow moulding, injection moulding and foaming. The accompanying abstracts from the Rapra Polymer Library database provide useful further information and indicate sources of additional material.