Polyurethane Elastomers PDF Download
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Author | : Cristina Prisacariu |
Publisher | : Springer Science & Business Media |
Total Pages | : 276 |
Release | : 2011-07-03 |
Genre | : Technology & Engineering |
ISBN | : 3709105145 |
Download Polyurethane Elastomers Book in PDF, ePub and Kindle
A comprehensive account of the physical / mechanical behaviour of polyurethanes (PU ́s) elastomers, films and blends of variable crystallinity. Aspects covered include the elasticity and inelasticity of amorphous to crystalline PUs, in relation to their sensitivity to chemical and physical structure. A study is made of how aspects of the constitutive responses of PUs vary with composition: the polyaddition procedure, the hard segment, soft segment and chain extender (diols and diamines) are varied systematically in a large number of systems of model and novel crosslinked andthermoplastic PUs. Results will be related to: microstructural changes, on the basis of evidence from x-ray scattering (SAXS and WAXS), and also dynamic mechanical analyses (DMA), differential scanning calorimetry (DSC) and IR dichroism. Inelastic effects will be investigated also by including quantitative correlations between the magnitude of the Mullins effect and the fractional energy dissipation by hysteresis under cyclic straining, giving common relations approached by all the materials studied. A major structural feature explored is the relationship between the nature of the hard segment (crystallising or not) and that of the soft segments. Crystallinity has been sometimes observed in the commercial PUs hard phase but this is usually limited to only a few percent for most hard segment structures when solidified from the melt. One particular diisocyanate, 4,4’-dibenzyl diisocyanate (DBDI) that, in the presence of suitable chain extenders ( diols or diamines), gives rise to significant degrees of crystallinity [i-iii] and this is included in the present work. Understanding the reaction pathways involved, in resolving the subtle morphological evolution at the nanometre level, and capturing mathematically the complex, large-deformation nonlinear viscoelastic mechanical behaviour are assumed to bring new important insights in the world basic research in polyurethanes and towards applied industrial research in this area.
Author | : C. Hepburn |
Publisher | : Springer Science & Business Media |
Total Pages | : 458 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 940112924X |
Download Polyurethane Elastomers Book in PDF, ePub and Kindle
The aim of this monograph has been to distil into a single volume, in an easily read and assimilated format, the essentials of this often complex technology such that it is usable by all technical and semi-technical people who wish to become their own polyurethane and polyurethane elastomer expert.
Author | : I.R. Clemitson |
Publisher | : CRC Press |
Total Pages | : 306 |
Release | : 2015-05-13 |
Genre | : Science |
ISBN | : 1498726399 |
Download Castable Polyurethane Elastomers Book in PDF, ePub and Kindle
This second edition of a bestseller is a practical guide to the production of castable polyurethane articles. The book shows the progression from raw materials to prepolymer production, including the chemistry and functionality of the processes. It provides a comprehensive look at various problem-solving and processing techniques, examining the selection of different systems on both the micro and macro levels. Reorganized for better flow, this edition describes new processing methods, expands coverage of health and safety aspects, and brings all standards up to date.
Author | : I.R. Clemitson |
Publisher | : CRC Press |
Total Pages | : 274 |
Release | : 2008-05-13 |
Genre | : Science |
ISBN | : 1420065777 |
Download Castable Polyurethane Elastomers Book in PDF, ePub and Kindle
Currently, raw material suppliers are the sole providers of polyurethane processing information. In most cases, they give instruction only on how to mix products and do not always include an explanation of the accompanying logic as to why these recommendations are being made. Castable Polyurethane Elastomers explains the production proces
Author | : Api |
Publisher | : CRC Press |
Total Pages | : 642 |
Release | : 2000-10-02 |
Genre | : Technology & Engineering |
ISBN | : 9781587160387 |
Download Polyurethanes Conference 2000 Book in PDF, ePub and Kindle
Conference proceedings from 'Defining the Future Through Technology- Polyurethanes', held in Westin Copley Place, Boston, Massachusetts, on October 8-11 2000. Sponsored by the Alliance for the Polyurethanes Industry.
Author | : Michael Szycher, Ph.D |
Publisher | : CRC Press |
Total Pages | : 698 |
Release | : 1999-04-23 |
Genre | : Technology & Engineering |
ISBN | : 9780849306020 |
Download Szycher's Handbook of Polyurethanes, First Edition Book in PDF, ePub and Kindle
Handbook of Polyurethanes serves as the first source of information of useful polymers. This new book thoroughly covers the entire spectrum of polyurethanes - from current technology to buyer's information. Discussions include: block and heteroblock systems rubber plasticity structure-property relations microphase separation catalysis of isocyanate reactions synthesis of polyurethanes for thermoplastics, thermosets, and curable compositions by either heat or U.V. energy biomedical applications of urethane elastomers castables, sealants, and caulking compounds flexible and semi-flexible foams health and safety This handbook compiles data from many sources, exhaustively illustrating the complex principles involved in polyurethane chemistry and technology. Handbook of Polyurethanes represents invaluable information for corporations, universities, or independent inventors.
Author | : Anil K. Bhowmick |
Publisher | : CRC Press |
Total Pages | : 954 |
Release | : 2000-11-02 |
Genre | : Technology & Engineering |
ISBN | : 9780824703837 |
Download Handbook of Elastomers, Second Edition, Book in PDF, ePub and Kindle
"Provides the latest authoritative research on the developments, technology, and applications of rubbery materials. Presents structures, manufacturing techniques, and processing details for natural and synthetic rubbers, rubber-blends, rubber composites, and thermoplastic elastomers. 80% revised and rewritten material covers major advances since publication of the previous edition."
Author | : Piotr Krol |
Publisher | : CRC Press |
Total Pages | : 272 |
Release | : 2008-03-27 |
Genre | : Science |
ISBN | : 9004188169 |
Download Linear Polyurethanes Book in PDF, ePub and Kindle
This volume describes in detail the mechanisms of the diisocyanates and polyols polyaddition process as well as its kinetic and process aspects important for obtaining linear polyurethanes. General kinetics of the process and its experimental verification, using GPC chromatography as well as NMR spectroscopy and MALDI-ToF spectrometry, are presente
Author | : Claude Hepburn |
Publisher | : Elsevier |
Total Pages | : 402 |
Release | : 1982-01-01 |
Genre | : Elastomers |
ISBN | : 9780853341277 |
Download Polyurethane Elastomers Book in PDF, ePub and Kindle
Author | : Anil K. Bhowmick |
Publisher | : CRC Press |
Total Pages | : 1105 |
Release | : 2008-05-07 |
Genre | : Technology & Engineering |
ISBN | : 1420007181 |
Download Current Topics in Elastomers Research Book in PDF, ePub and Kindle
From weather-proof tires and artificial hearts to the o-rings and valve seals that enable successful space exploration, rubber is an indispensable component of modern civilization. Stiff competition and stringent application requirements foster continuous challenges requiring manufacturers to fund ever-expanding research projects. However, this vas