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Radiation Processing of Polymer Materials and Its Industrial Applications
By: Keizo Makuuchi , Song ChengeBook Publisher: John Wiley & Sons
Imprint: Wiley
Format: ePub Encrypted (DRM)
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Up-to-date, comprehensive coverage on radiation-processed polymer materials and their applications
Offering a unique perspective of the industrial and commercial applications of the radiation processing of polymers, this insightful reference examines the fundamental scientific principles and cutting-edge developments advancing this diverse field. Through a variety of case studies, detailed examples, and economic feasibility analysis, Radiation Processing of Polymer Materials and Its Industrial Applications systematically explains the commercially viable ways to process and use radiation-processed polymeric materials in industrial products. In addition, this one-of-kind text:
Covers important chemistry and processing fundamentals, while emphasizing their translation into practical applications of radiation-processed polymers
Incorporates new applications in nanotechnology, biomaterials, and recycling
Systematically discusses new developments in the field and summarizes past achievements
By helping readers—from students to scientists, engineers, technicians, and sales and marketing professionals—understand and solve problems associated with radiation processing of polymers, Radiation Processing of Polymer Materials and Its Industrial Applications serves as an essential reference and fills an important gap in the literature.
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| Title of Technology eBook: Radiation Processing of Polymer Materials and Its Industrial Applications | |
| Release Date: 12-15-2011 | |
| Publisher: Wiley |
This eBook download is available in the following formats:
| Parent title | Radiation Processing of Polymer... |
|---|---|
| Encrypted (DRM) | Yes |
| SKU | 9781118162859 |
| File size | 25214 |
| Security | n/a |
| Printing | Not allowed |
| Copying | Not allowed |
| Read aloud | No Sys requirements Download reader |
| Devices | Samsung Tablet, Apple Ipad & Iphone, Barnes & Noble Nook, Kobo eReader, Aluratek Libre, Iliad, Nokia, Blackberry, Hanlin |
| Note | Excellent navigation features are available via Adobe such as bookmarks and a quick access table of contents. Text search is easily accessible. An Adobe DRM-protected file is different than a pdf file in that it uses Adobe DRM (Digital Rights Management) technology, which authors and publishers use to protect their content from illegal online distribution and to set certain privileges such as restrictions on copying and printing. |
Radiation Processing of Polymer Materials and Its Industrial Applications
Chapter One
Basic Concepts of Radiation Processing
1.1 RADIATION SOURCES
Radiation processing of polymer materials involves subjecting the polymers to the irradiation, usually in a continuous mode, for modifications of the polymers to improve properties for industrial purposes. The main irradiating sources for the purpose of radiation modification of polymer properties include γ-rays from radioactive isotopes such as Co-60 (60Co), electron beams from electron accelerators, and X-rays converted from electron beams. γ-Rays, electron beams, and X-rays have important differences, but they all transfer energy to the atoms of the irradiated material. When the transferred energy is higher than a particular orbital electron, the electron is ejected and the atom is ionized. When the energy is not high enough for ionization, the electron is raised to an upper energy level, resulting in excitation (Scheme 1.1).
The ionizing potential for most molecules is .100 keV) through the window. Low-energy accelerators may use nonscanning curtain to induct the beam out of the window. Table 1.1 summarizes the characteristics of EB accelerators with different technologies. Accelerators with DC acceleration have lower energy (5 MeV) but lower energy conversion, and relatively small size. Figure 1.5 shows how a DC-type accelerator works. Summaries of the engineering aspects of these different accelerators can be found in a review by Cleland and Parks.
The strength of the EB as radiation is controlled by two factors: accelerating voltage and beam current. The energy of electrons is the same as the accelerating voltage. The energy of e
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