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  • Polymer and Materials Science  (18)
  • Amino Acid Sequence
  • EARTH RESOURCES AND REMOTE SENSING
  • Lunar and Planetary Science and Exploration
  • Molecular Sequence Data
  • 1965-1969  (18)
  • 1955-1959
  • 1969  (11)
  • 1965  (7)
Collection
Keywords
Publisher
Years
  • 1965-1969  (18)
  • 1955-1959
Year
  • 1
    Electronic Resource
    Electronic Resource
    Polyamic acid solution viscosityThis paper was presented at the 156th Meeting of the American Chemical Society, Atlantic City, New Jersey, September 1968. (1969)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-2: Polymer Physics 7 (1969), S. 1435-1438 
    Details
    ISSN: 0449-2978
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1969.160070812
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  • 2
    Electronic Resource
    Electronic Resource
    Studies in hard rubber reaction. Part III. Effect of metallic oxides and metallic oxide-accelerator combinations (1965)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 9 (1965), S. 1731-1742 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A study of thermal effects accompanying exothermic hard rubber reaction with the help of differential thermal analysis has been extended to 68/32 rubber-sulfur compounds containing different metallic oxides and metallic oxide-accelerator combinations. Metallic oxides do not affect the heat of reaction appreciably; however, they affect the slope value, litharge showing an unusually low value. In combination with accelerator, metallic oxides exert specific effects on heat of reaction, initiation temperature, and slope value. Attempts have been made to explain these findings on the basis of the known behavior of the individual oxides and the accelerators.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1965.070090510
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  • 3
    Electronic Resource
    Electronic Resource
    Studies in hard rubber reaction. Part IV. Effect of fillers (1965)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 9 (1965), S. 2285-2296 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The effects of the different fillers i.e., china clay, light magnesium carbonate, Pliolite S6E, and ebonite dust, on the exothermic hard rubber reaction has been studied with the help of differential thermal analysis. The data for heat evolution show some unexpected features in that china clay, a more or less inert filler, lowers heat evolution. The behavior of magnesium carbonate also can not be fully explained. Attempts have been made to explain the data for Pliolite S6E and ebonite dust on the basis of their composition and effects of the individual components on heat of reaction. The differences in initiation temperature and slope values have been explained.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1965.070090620
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  • 4
    Electronic Resource
    Electronic Resource
    Changement de structure de la poly-L-proline à l'état solide par hydratation: Etude par spectrométrie infra-rouge (1969)
    New York : Wiley-Blackwell
    Biopolymers 8 (1969), S. 449-464 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Films of poly-L-proline I and II have been hy drated by water vapor and their infrared spectra analysed between 1250 and 3500 cm-1. Forms I and II behave differently. Water binds to the carbonyl of form II through hydrogen bridges and, when released by drying, leaves the polypeptide conformation unchanged. In form I, complex formation with water seems to proceed through a different mechanism involving more than the carbonyls. Hydration of form I yields a partial irreversible transition to form II. Successive hydration and drying of the film brings the transition to completion. This I → II transition in the solid state has a cooperative character; its mechanism is discussed. Poly-L-prolines I and II also absorb vapors of aliphatic alcohols but not change in conformation is observed.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1969.360080403
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  • 5
    Electronic Resource
    Electronic Resource
    Polyimide solution propertiesPresented at the Fall Meeting of the American Chemical Society, Chicago, Illinois, September, 1967.1 (1969)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part A-2: Polymer Physics 7 (1969), S. 1995-2004 
    Details
    ISSN: 0449-2978
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: Solution characterization measurements indicate that cylization of the polyamic acid from 2,4-diaminoisopropylbenzene and pyromellitic dianhydride (PMDA) to the polyimide can be effected with small change in number-average degree of polymerization. An increase in weight-average molecular weight on conversion to polyimide is attributed to branching side reactions. Inherent viscosities of polyimides from 4,4′-diaminodiphenyl ether and PMDA decreased slowly with time in concentrated (97%) sulfuric acid, probably as a result of hydrolytic cleavage. The zero-time viscosity intercepts were related to both the precursor and the estimated polyimide molecular weight. The latter gave ηinh (c = 0.5% solids) = 2.76 × 10-3M̄0.53w for 60,000 〈 Mw 〈 300,000. The exponent is near the lower limit of 0.5 found in theta solvents. The characteristic ratio of the root-mean-square end-to-end distance of a chain to the square root of its molecular weight is 1.1 Å and the steric factor is 1.1; these results suggest that the unperturbed polyimide chain is almost as extended as an equivalent freely rotating chain, a general feature of long-bonded polymers with p-phenylene rings in the chain backbone.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1969.160071202
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  • 6
    Electronic Resource
    Electronic Resource
    Studies in hard rubber reaction. Part II. Effect of organic accelerators (1965)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 9 (1965), S. 1367-1384 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The method of differential thermal analysis has been applied to the study of thermal effects accompanying exothermic vulcanization reaction in hard rubber compounds accelerated with common rubber accelerators. Exothermic reaction was found to start at about 1% sulfur, in the case of CBS-accelerated compound which increases linearly up to 32% and then decreases, probably due to predominance of a dehydrogenation reaction. 68/32 Rubber-sulfur compounds containing increasing amounts of combined sulfur evolve decreasing quantity of heat and a plot of ΔH vs. combined sulfur of the precured compounds shows three stages of reaction. Accelerators were found not to affect the heat of reaction of the compounds to a great extent except in the special cases of those containing MBT and ZDC. The beneficial effect of certain accelerators is to be traced in the lowering of initiation temperatures and a decrease of slope values whereby the reaction becomes more regulated and spread out. Increase of concentration of accelerators (CBS and TMT) was found to have little effect.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1965.070090415
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  • 7
    Electronic Resource
    Electronic Resource
    The continuum interpretation for fracture and adhesionBased upon a lecture delivered at the Wayne State University, Polymer Conference Series, Detroit, Michigan, May 14, 1968. (1969)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 13 (1969), S. 29-40 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: From the viewpoint of continuum mechanics, and particularly the energy concept of fracture, adhesive and cohesive failures are similar. The essential difference involves the interpretation of the energy required to create new (adhesive or cohesive) surface area. A simple pressurized disk test is described for measuring the adhesive value for a bonded elastomer, and an application to a debonding problem in engineering design is given.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1969.070130105
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  • 8
    Electronic Resource
    Electronic Resource
    The diffusion of urea through porous glass (1969)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 3 (1969), S. 273-279 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: Work on the rates of diffusion of urea through two different types of porous glass is reported and compared with data obtained using a commercial cellophane membrane from an artificial kidney. The results show that the rate of urea diffusion per unit area through the larger pored glass can be 3-4 times higher than through the cellophane membrane.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820030207
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  • 9
    Electronic Resource
    Electronic Resource
    Nomenklaturbericht über sterische anordnung in hochpolymeren (1965)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 82 (1965), S. 1-15 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: This report deals with the classification and naming of high polymers composed of molecules possessing steric regularity, and with related problems of nomenclature. It has been finally accepted and recommended by the Commission on Macromolecules of the International Union of Pure and Applied Chemistry.
    Notes: Der vorliegende Bericht befaßt sich mit der Klassifizierung und Benennung von Hochpolymeren, die aus sterisch regelmäßig gebauten Makromolekülen bestehen, und mit verwandten Nomenklaturproblemen. Er wurde von der Kommission für Makromoleküle der internationalen Union für reine und angewandte Chemie endgültig angenommen und empfohlen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1965.020820101
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  • 10
    Electronic Resource
    Electronic Resource
    Film-balance studies of tactic poly(tert-butyl esters) (1969)
    New York : Wiley-Blackwell
    Journal of Polymer Science Part B: Polymer Letters 7 (1969), S. 871-876 
    Details
    ISSN: 0449-2986
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1969.110071210
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