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5 edition of Mesomorphic order in polymers and polymerization in liquid crystalline media found in the catalog.

Mesomorphic order in polymers and polymerization in liquid crystalline media

a symposium

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Published by ACS in Washington .
Written in English

    Subjects:
  • Polymers -- Congresses.,
  • Polymerization -- Congresses.,
  • Liquid crystals -- Congresses.,
  • Polymer liquid crystals -- Congresses.

  • Edition Notes

    Includes bibliographical references and index.

    Statementsponsored by the Division of Polymer Chemistry, inc. at the 174th meeting of the American Chemical Society, Chicago, Ill., August 29-30, 1977 ; Alexandre Blumstein, editor.
    SeriesACS symposium series ; 74, ACS symposium series ;, 74.
    ContributionsBlumstein, Alexandre., American Chemical Society. Division of Polymer Chemistry.
    Classifications
    LC ClassificationsQD380 .M47
    The Physical Object
    Paginationvii, 264 p. :
    Number of Pages264
    ID Numbers
    Open LibraryOL4722164M
    ISBN 100841204195
    LC Control Number78009470

    MOLECULAR ENGINEERING OF SIDE-CHAIN LIQUID CRYSTALLINE POLYMERS BY LIVING POLYMERIZATIONS. COLEEN PUGH, ALAN. L. KISTE. Abstract - "Living" anionic, cationic, metalloporphyrin and ring-opening metathesis polymer­ izations have been used to prepare well-defined side-chain liquid crystalline homopolymers, block. Figure 2. Schematic of the MOMD (microscopic order macroscopic disorder) model in the nematic phase of a liquid crystalline polymer. The “director tilt” angle ª between the magnetic field Bb0 and the director bd of the local domain is randomly distributed. J. Phys. Chem., Vol. , No. 39, Xu et al. + + + +.

    Liquid Crystalline Polymers: A Review of Their Patents C K S Pillai Regional Nesearch Laborat01Y, Thiruvananthapuram Liquid C1ystall ine Jlolymers (LCPs) cover a field of emerging frontier area materials having great commercial potential. Patents form a large part of their intellectual protection. Mesogen-jacketed liquid crystalline polymers via stable free radical polymerization Stefania Pragliola1, Christopher K. Ober1*, Patrick T. Mather2, Hong G. Jeon3 1 Cornell University, Materials Science and Engineering, Ithaca, NY , U.S.A. 2 Air Force Research Laboratory, AFRL/MLBP, P St., Wright Patterson AFB, OH U.S.A. 3 Systran .

    The synthesis and living cationic polymerization of (S)-(–)methylbutyl 4′-(vinyloxy)undecyloxybiphenylcarboxylate (13–11) and (S)-(–)methylbutyl 4′-(6-vinyloxy)hexyloxybiphenylcarboxylate (13–6) are rs with degrees of polymerization from 4 to 26 and polydispersities ⩽ were synthesized and characterized . Transworld Research Network 37/ (2), Fort P.O. Trivandrum Kerala, India. Liquid Crystalline Organic Compounds and Polymers as Materials .


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Mesomorphic order in polymers and polymerization in liquid crystalline media Download PDF EPUB FB2

ISBN: OCLC Number: Description: vii, pages: illustrations ; 24 cm. Contents: X-ray diffraction from polymers with mesomorphic order / S.B. Clough, A. Blumstein, and A. Devries --X-ray diffraction studies on mesomorphic order in polymers / J.H.

Wendorff, H. Finkelmann, and H. Ringsdorf --Enantiotropic (liquid crystalline). Liquid Crystalline Contractile Apparatus in Striated Muscle ERNEST W. APRIL Chap DOI: /bkch Publication Date (Print): June 1, ISBN: OCLC Number: Description: 1 online resource (vii, pages): illustrations: Contents: X-ray diffraction from polymers with mesomorphic order / S.B.

Clough, A. Blumstein, and A. Devries --X-ray diffraction studies on mesomorphic order in polymers / J.H. Wendorff, H. Finkelmann, and H. Ringsdorf --Enantiotropic (liquid crystalline). Mesomorphic Order in Polymers and Polymerization in Liquid Crystalline Media Alexandre Blumstein, EDITOR University of Lowell A symposium sponsored by the Division of Polymer Chemistry, Inc.

at the th Meeting of the American Chemical Society Chicago, Ill., AugustACS SYMPOSIUM SERIES AMERICAN CHEMICAL SOCIETY WASHINGTON, D. Among the various new directions in modern polymer science, the design and investigation of liquid crystal (LC) polymers have been the ones growing most actively and fruitfully.

In spite of that, the possible formation of an anisotropic LC phase was only demonstrated theoretically for the first time in the s by Onsager [1] and Flory [2. Ordered μm films were produced by polymerization of mesogenic vinyl ether monomers oriented in the nematic state.

The films, despite being in the liquid crystalline state (s A), were completely transparent also at room temperature. This shows the high degree of order that was achieved in these macroscopically ordered by: 3.

Liquid crystalline polymers (LCPs) [1] and block copolymers [2] are two classes of synthetic materials that can readily undergo self-organization. By combining both components in a single. Search term. Advanced Search Citation Search. Search term. A theory was proposed for orientation ordering in polymer melts containing rigid and flexible fragments in the main chain.

The study was conducted wit Cited by: 3. Liquid crystallinity in polymers may occur either by dissolving a polymer in a solvent (lyotropic liquid-crystal polymers) or by heating a polymer above its glass or melting transition point (thermotropic liquid-crystal polymers).Liquid-crystal polymers are present in melted/liquid or solid form.

In solid form the main example of lyotropic LCPs is the commercial aramid known as. Liquid Crystalline Polymers 15 Author's personal copy The concept of spacers was proposed, for the fi rst time, in studies by Plate, Shibaev, and Freidzon in the middle of the.

Z8 V. Shibaev Structure of thermotropic smectic polymers possess by LC order or LC structure* The polymers of this group are brittle, glassy compounds, which transform to fluid state at temperatures close to decomposition temperatures* With regard to the structure of this series of polymers in bulk, despite their amorphous nature low Cited by: 3.

Phase behavior of side-chain liquid-crystalline polymers containing biphenyl mesogens with different spacer lengths synthesized via miniemulsion polymerization The results show mesomorphic liquid crystalline behavior with a monolayer structure where the side-groups on both sides of the backbone would be interpenetrated.

The liquid-crystalline polymers were obtained through radical polymerization. The monomers 10 and 11 were submitted to free polymerization with AIBN (5 wt%) as the radical initiator in toluene solution to obtain the chiral polyacrylates 12 and All polymerizations were carried out at 65 °C for 72 h under N 2 inert atmosphere.

Then, the. Polymerization of five monomers, 1‐[p‐(trans‐4′‐alkylcyclohexyl)phenoxy]alkyne (i.e., PCHA, where PCH, 0, 01 and A represent phenylcyclohexyl mesogenic moiety, number of carbon in an alkyl group attached to cyclohexyl group, ether linkage + number of methylenic units in the spacer between phenoxy and acetylenic groups, and terminal acetylene, respectively) were carried.

The University of British Columbia, School of Engineering, Kelowna, Canada Interests: Polymer Processing, Forming, and Characterization; Multifunctional Polymer Nanocomposites with a Wide Range of Properties, i.e., Electrical, Electromagnetic, Dielectric, Gas Sensing, Thermal, Mechanical, Tribological, and Deicing; Conductive and Magnetic Nanomaterials Synthesis.

A large number (more than 20 different kinds) of new polyacetylenes with general molecular structures of -[HC equals C(C 6 H 4-mesogen)] p - [poly(arylacetylene) type] and -{HC equals C[(CH 2) n-mesogen]} p - [poly(alkylacetylene) type] are designed and synthesized.

Pendant interaction and backbone rigidity in the polymers are tuned through systematic molecular Cited by: 4. Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

It is produced via chain-growth polymerization from the monomer propylene. Polypropylene belongs to the group of polyolefins and is partially crystalline and properties are similar to polyethylene, but it is slightly harder and more heat al formula: (C₃H₆)ₙ.

The field of thermotropic liquid crystalline polymers has grown substantially in the last two decades, with fundamental research, publications, commercial products, and patents. In the 's, Dr. Ralph Miano led my colleagues and me at Hoechst Celanese in commercializing the first thermotropic liquid crystalline polymers, based on Dr.

Gordon. Cross-Linked Liquid Crystalline Systems: From Rigid Polymer Networks to Elastomers (Liquid Crystals Book Series) | Dirk Broer, Gregory P Crawford, Slobodan Zumer | download | B–OK. Download books for free. Find books. “Mesomorphic order in polymers and polymerization in liquid crystalline media”, ACS Symp.

Ser. 74, ed. Blumstein, A., American Chemical Society, Washington DC, 22 Fischer and Malkin () ‘Temperature dependance of photoisomer Part II. Quantum yields of cis & trans; trans isomerization in A20 compounds.

J. Phy. Chem. Vol, ppProperties and applications of liquid- crystalline main-chain polymers. Pp. in Liquid Crystal Polymers II/III, M. Gordon, ed. Berlin: Springer-Verlag. Dobb, M. G. The production, properties and structure of high- performance poly~p-phenylene terephthal~ide) fibres.

Pp. in Handbook of Composites, Vol. 1: Strong Fibers, W.like polymers (refe. 6—7) and linear systems (ref. 8), it is currently universally adopted (ref.

5)*• Liquid—crystalline side chain polymers are obtained either by synthesis of monomers containing LC (mesogenic) groups with their subsequent homopoly— merization () or by copolymerization with non—mesogenic () or.