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Wednesday, May 20, 2020 | History

2 edition of Crystalline olefin polymers found in the catalog.

Crystalline olefin polymers

R. A. V. Raff

Crystalline olefin polymers

by R. A. V. Raff

  • 337 Want to read
  • 20 Currently reading

Published by Interscience Publishers in New York .
Written in English

    Subjects:
  • Polyethylene.,
  • Alkenes.

  • Edition Notes

    StatementEditors: R.A.V. Raff [and] K.W. Doak.
    SeriesHigh polymers; a series of monographs on the chemistry, physics, and technology of high polymeric substances, v. 20, High polymers -- v. 20
    ContributionsDoak, K. W,
    Classifications
    LC ClassificationsTP1180 P65 R3
    The Physical Object
    Paginationv. :
    ID Numbers
    Open LibraryOL17156518M

    Topas Advanced Polymers is producing and market-ing cyclic olefin copolymers under its trademarks Topas® COC and Crystal Dew® and a bi-cyclic olefin Norbornene. Topas® is the trade name for Topas Advanced Poly-mers‘ cyclic olefin copolymers (COC). The Topas COC family, in contrast to the partially crystalline polyole-File Size: 1MB.   Stereoregular Polymers and Stereospecific Polymerizations, Volume 2 covers the reactions and physico-chemical properties of various polymers. This volume is divided into 88 chapters, and starts with the survey of the molecular structure, stereospecific polymerization, and reaction kinetics of Book Edition: 1.

    Olefins, or alkenes, form naturally in many living things. According to Bruce Hathaway’s book, Organic Chemistry, the nutrient beta-carotene is a natural olefin found in carrots. It contains a chain of carbon atoms doubly and singly bonded together with a ring structure close to either end. The simple olefin, ethylene, promotes the ripening. Polymers degrade by several different mechanisms, depending on structure and exposure conditions. Degradation results from an irreversible change which leads eventually to failure. The most common types of degradation occur through chemical reactions, but there are a few important examples of degradation resulting only from physical changes.

    In this work, the influence of preshearing on crystallization of olefin block copolymer (OBC) was systematically investigated. It was found that upon an interval of melt preshear the crystallization rate of OBC was prominently elevated which was evidenced by both nonisothermal and isothermal crystallization results. The lamellar thickness of OBC increased and the size of spherulites decreased Cited by: 1. Semi‐crystalline Polymers: From Lattices to Superstructures Chain Structure and Crystallization Speed. Lamellar Thickness and Modulus. Nucleation and Polymorphism. Flow‐induced Structures and Processing Effects. Multiphase Structures General Concepts of Impact ModificationCited by: 4.


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Crystalline olefin polymers by R. A. V. Raff Download PDF EPUB FB2

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Additional Physical Format: Online version: Raff, R.A.V. (Rudolf August Victor), Crystalline olefin polymers. New York, Interscience Publishers [, v.1, ]. Crystalline Olefin Polymers.

Vol part 1, (High Polymers S.) (Pt. 1) Hardcover – May 1, by R.A.V. Raff (Editor), K.W. Doak (Editor) See all formats and editions Hide other formats and editions.

Price New from Used from Format: Hardcover. Introduction to Polymers, Third Edition 3rd Edition. #N#Robert J. Young (Author) › Visit Amazon's Robert J.

Young Page. Find all the books, read about the author, and more. See search results for this author. Are you an author. Learn about Author Central. Robert J. Young (Author), Peter A. Lovell (Contributor) out of 5 stars 41 by: Metallocene Catalyzed Polymers Materials, Properties, Processing & Markets Select Homo- and Co-polymers Derived from Multicyclic Olefin Monomers: The Quest for Higher Tg Materials.

Book chapter Full text access. This allows crystalline domains to form, yielding polymer properties in the engineering thermoplastics category. Book contents; Index to Reviews, Symposia Volumes and Monographs in Organic Chemistry.

HIGH POLYMERS This is a series of reviews on the chemistry, physics and technology of high polymers. 20, () () () The processing of crystalline olefin polymers Applications Statistical summary Review and preview A chlorosulfonated or chlorinated polyethylene dispersed in a polyolefin, vulcanized and then the vulcanizate dispersed into a thermoplastic chlorosulfonated or chlorinated polyethylene forming a partially crosslinked thermoplastic chlorosulfonated or chlorinated polyethylene vulcanizate having good interply adhesion, hot weld strength, commercial processability, and crack by: The technology to produce compatibilized blends of Liquid Crystalline Polymer LCP and highly amorphous Cyclic Olefin Copolymers COC via two novel approaches were studied.

Olefin block copolymer (OBC), with its low hard segments, can form unique space-filling spherulites other than confined-crystallization morphologies, mainly due to its weak phase-separation. In this work, 1,3;2,4-Bis(3,4-dimethylbenzylidene) sorbitol (DMDBS), a well-known nucleating agent, was used to tailor the crystallization behavior and crystalline morphology of : Yongsheng Zhao, Cheng Yao, Tao Chang, Yanling Zhu.

USA US07/, USA USA US A US A US A US A US A US A US A US A US A Authority US United States Prior art keywords chlorinated polyethylene process weight material admixture Prior art date Legal status (The legal status is an assumption and is not a legal by: OLEFIN POLYMERS, INTRODUCTION.

in olefin oligomers, waxes. and base-stocks for lubricating oils, to very large, >3, in PO resins with the ultrahigh molecular All semi-crystalline. The structure of crystalline polymers is discussed briefly in Section and has been reviewed in standard textbooks. 1,2 Crystalline polymers are found in a variety of morphological forms ranging from single crystals to semicrystalline polymers in which the non-crystalline component can be either rubbery or glassy.

In addition. The present invention generally concerns thermoplastic elastomer compositions comprising blends of chlorinated polyethylene and a crystalline olefin polymer. The present invention also concerns preparation of said compositions by dynamic vulcanization or by a sequential combination of dynamic vulcanization and static curing.

Polyethylene, a book by Raff and Allison, was published in De-velopments since that time have been so extensive that the version which supersedes the earlier book is the work of 38 authors, appears in two parts, and is entitled Crystalline Olefin Polymers.

The first part contains eight chapters devoted to polymerization and an equal Author: Lawrence A. Wood. Thermoplastic elastomeric (TPE)-materials and their use in outdoor electrical insulation 15 k(& 3SeP]RTSEcdSh5T]cTa5A!cS Semi-crystalline polymers plastics have combined properties of crystalline polymers and amorphous molded with other olefin based materials, such as polypropylene, without the use of adhesives.

Cited by: 4 Introduction to Fluoropolymers Sina Ebnesajjad, PhD FluoroConsultants Group, LLC Introduction Fluoropolymer is usually olefinic polymer which consists of partially or fully fluorinated olefinic monomers such as vinylidene fluoride (CH 2¼CF 2) and tetrafluoroethylene (TFE) (CF 2¼CF 2).

These polymers have been covered inFile Size: KB. Thermoplastic elastomers (TPE), sometimes referred to as thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) that consist of materials with both thermoplastic and elastomeric properties.

While most elastomers are thermosets, thermoplastics are in contrast relatively easy to use in manufacturing, for example, by injection molding. The single-chain properties and self-assembly behavior in dilute solution of olefin block copolymers obtained by chain-shuttling technology and consisting of alternating crystallizable and amorphous ethylene/1-octene blocks were investigated by pinhole and focusing small-angle neutron scattering techniques, optical microscopy in bright-field and crossed-polarizer modes, and differential Cited by: 4.

The first unsubstituted olefin-linked covalent organic framework, termed COF, was made by linking 2,4,6-trimethyl-1,3,5-triazine (TMT) and 4,4′-biphenyldicarbaldehyde (BPDA) through Aldol condensation.

Formation of the unsubstituted olefin (-CH═CH-) linkage upon reticulation is confirmed by Fourier transform infrared (FT-IR) spectroscopy and solid-state 13C cross-polarization magic Cited by: Crystalline polymers are denser than amorphous polymers, so the degree of crystallinity can be obtained from the measurement of density: Introduction to Materials Science, Chap Polymer Structures University Tennessee, Dept.

of Materials Science and Engineering Polymers. Chain shuttling polymerization is a dual-catalyst method for producing block copolymers with alternating or variable desired effect of this method is to generate hybrid polymers that bear the properties of both polymer chains, such as a high melting point accompanied by high elasticity.

Crystalline block copolymers of ethylene and propylene (which are plastics distinguished from amorphous, random ethylene-propylene elastomers) can also be used. Included among the polyolefin resins are the higher alpha-olefin modified polyethylenes and polypropylenes (see, "Polyolefins," N.

V. Boenig, Elsevier Publishing Co., N. Y. ).As a type of novel semi-crystalline block copolymers, the final properties of olefin block copolymers (OBCs) greatly depend on the crystalline and phase-separated structures.

In the present work, we systematically investigated the influence of self-nucleation and .