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Sunday, May 17, 2020 | History

4 edition of Low-temperature properties of polymers found in the catalog.

Low-temperature properties of polymers

I. I. Perepechko

Low-temperature properties of polymers

by I. I. Perepechko

  • 165 Want to read
  • 28 Currently reading

Published by Mir Publishers, Pergamon Press in Moscow, Oxford, New York .
Written in English

    Subjects:
  • Polymers -- Thermal properties.,
  • Materials at low temperatures.

  • Edition Notes

    StatementI. Perepechko ; translated from the Russian by Artavaz Beknazarov.
    Classifications
    LC ClassificationsTA455.P58 P4413 1980
    The Physical Object
    Paginationix, 301 p. :
    Number of Pages301
    ID Numbers
    Open LibraryOL4115365M
    ISBN 100080253016
    LC Control Number80040137

    Polymers (ISSN ; CODEN: POLYCK) is a peer-reviewed open access journal of polymer science published monthly online by MDPI. Belgian Polymer Group (BPG) and The Swiss Chemical Society (SCS) are affiliated with Polymers and their members receive a discount on the article processing charges. Open Access free for readers, with article processing charges (APC) paid by authors or their. This test method describes a temperature-retraction procedure for rapid evaluation of crystallization effects and for comparing viscoelastic properties of rubber and rubber-like materials at low temperatures. This test method is useful when employed in conjunction with other low-temperature tests for selection of materials suitable for low-temperature service.

    Graphical method 6. After soaking, the specimens are impacted 7. Specimens are then recorded as pass or fail Room temperature Flexible (low Young's modulus) Resistant to cracking Procedure ASTM Standard D Tests for brittleness temperature Standard Test Method for Brittleness. Thermophysical Properties of Polymers Softcover reprint of the original 1st ed. Edition that the low temperature dependence of heat capacity and thermal expansivity of linear polymers should fol­ low dependencies different from that characteristic of nonpolymeric solids. Finally, new ideas about the structure and morphology of Format: Paperback.

    Principle Characteristics of Polymers At a low temperature the amorphous regions of a polymer are in the glassy state. In this state the molecules are frozen on place. They may be able The mechanical properties of a polymer involve its behavior under stress. These properties tell a polymer scientist or engineer many of theFile Size: KB. Mechanical Properties of Polymers Figure The stress-strain curve for 6,6-nylon, a typical thermoplastic polymer. (The Science and Engineering of Materials – by D.R. Askeland and P.P. Phule).


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Low-temperature properties of polymers by I. I. Perepechko Download PDF EPUB FB2

Low-Temperature Properties of Polymers systematizes the available materials on polymers. This book also describes the main trends in the investigation of interrelated properties of polymers, such as thermal (heat capacity, thermal conductivity, and thermal expansion), acoustical, dielectric, and viscoelastic, which maintain the physical properties of polymers at low temperatures.

Low-Temperature Properties of Polymers systematizes the available materials on polymers. This book also describes the main trends in the investigation of interrelated properties of polymers, such as thermal (heat capacity, thermal conductivity, and thermal expansion), acoustical, dielectric, and viscoelastic, which maintain the physical properties of polymers at low Edition: 1.

ISBN: OCLC Number: Notes: Translation of: Svoĭstva polimerov pri nizkikh temperaturakh. Description: ix, pages: illustrations. Low Temperature Properties of Polymers Introduction Most plastics at room temperature show their familiar properties of flexibility (a low Young’s modulus) and high resistance to cracking but when the temperature decreases this can change rapidly and many common plastics become brittle with low File Size: 56KB.

Chemical structures of the polymers, and the chemical changes as a result of heat aging, common stabilizers, manufacturers, and trade names along with typical end uses of the plastics are included besides extensive tabular and graphical physical, mechanical, electrical, and thermal properties before and after exposure heat.

PROPERTIES OF POLYMERS A PHYSICAL PROPERTIES Physical properties of polymers include molecular weight, molar volume, density, (Glassy polymer/low temperature thermoset) Figure A Stress–strain behavior of different types of materials.

Low-Temperature Properties of Polymers systematizes the available materials on polymers. This book also describes the main trends in the investigation of interrelated properties of polymers, such as thermal (heat capacity, thermal conductivity, and thermal expansion), acoustical, dielectric, and viscoelastic, which maintain the physical.

ON LOW TEMPERATURE PHOTOLUMINESCENCE IN POLYMERS new light on low temperature properties of several common polymers and might also. Most descriptions of polymers start at room temperature and end at the melting point. This textbook starts at very low temperatures and ends at room temperature.

At low temperatures, may processes and relaxations are frozen which allows singular processes or separate relaxations to be studied.

Resins and composites are used for low-temperature and superconductivity technologies. In the area of carbon fiber composites, an extremely promising advance in superconducting magnet technology has occurred recently: chemically converted carbon fibers have been developed that are superconducting [ Cited by: The thermodynamic properties of polymers are presented as an important part of physical chemistry characterization of material science.

Polymers were characterized by macroscopic descriptions of. Plastics with low temperature properties. Most engineering plastics are generally well suited to temperatures below zero, although the extent to which this is the case depends mainly on the material and the specific application conditions.

(the temperature at which polymers change from a hard state to a flexible state), as the mechanical. 37 Physical Properties Of Polymers • A thermoplastic polymer is one that can be softened by heating and then formed into desired shapes by applying pressure.

• Thermosetting polymers become permanently hard at elevated temperatures and pressures. The molecular weight of the polymers also affects the low-temperature flexibility and the impact strength or brittleness. The intermolecular bonding cross-linking and the copolymerization chemical reaction also have a considerable effect on the thermal properties of thermoplastic materials.

Polymers come in many forms, including plastics, rubber, and fibers. Plastics are stiffer than rubber yet have reduced low-temperature properties. Generally, a plastic differs from a rubbery material due to the location of its glass transition temperature (T g), which is the temperature at which the polymer behavior changes from glassy to leathery.

They can be used for investigating so-called basic properties which arise from principles of solid state physics.

The chain structure of polymers, however, requires stringent modifications for establishing solid state physics of polymers. Several processes which are. 1 Material Properties of Plastics Formation and Structure The basic structure of plastics (or polymers) is given by macromolecule chains, formulated from monomer units by chemical reactions.

Typical reactions for chain assembling are polyaddition (continuous or step wise) and condensation polymer-ization (polycondensation) [1] (Figure ).

The main requirement to the materials used to make membranes polymer electrolyte membrane fuel cells (PEM FC) is the combination of high proton conductivity and resistance to the FC operation conditions.

Thus, the search for inexpensive and high-performance non-fluorinated or partially fluorinated materials for use as FC membranes is an actual task today, since the use of membranes based on Author: Vitaly Ivanov, Anton Yegorov, Alena Wozniak, Ol’ga Zhdanovich, Marina Bogdanovskaya, Elena Averina.

Polymers and polymer blends have been widely investigated in recent decades. The bulk properties are governed by thermodynamics of polymers, while surface chemistry is by far more complicated, because it involves numerous reactions with rate coefficients that are not always known or determined precisely.

Polymers in Asphalt Vol Issue 11 of Rapra review reports, ISSN Volume of Report (Rapra Technology Limited) Author: H. Robinson: Publisher: iSmithers Rapra Publishing, ISBN:Length: pages: Subjects.

The Co-ordinated Research Project (CRP) on Stability and Stabilization of Polymers under Irradiation was initiated in based on the recommendation of the final Research Co-ordination Meeting on Radiation Damage to Organic Materials in Nuclear Reactors and Radiation Environment (IAEA-TECDOC) and the Advisory Group meeting organized in.compound when the ultimate heat resistance is needed.

FFKM polymers report-edly can impart useful service life at temperatures as high as °C (°F). GEN: in, l, S. Wang, “Perfluoroelastomers in Severe Envi - ronments: Properties, Chemistry, and Applications,” Presented at ACS Rubber Div.

Meeting, Spring,Paper No File Size: KB.Thermophysical Properties of Polymers. Authors: Godovsky, Yuli K. Free Preview. Buy this book eB59 that the low temperature dependence of heat capacity and thermal expansivity of linear polymers should fol­ low dependencies different from that characteristic of nonpolymeric solids.

Finally, new ideas about the structure and.