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  • 1980-1984  (6)
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  • 1
    Electronic Resource
    Electronic Resource
    Polymer cosolvent systems (1982)
    Springer
    Polymer bulletin 6 (1982), S. 429-436 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary In this paper we have studied the behaviour of PMMA in the binary mixture CCl4/n-butyl chloride by viscometry, light scattering and dyalisis. We have found that the CCl4/n-butyl chloride mixture behaves as cosolvent in the range 10 〈 u2 〈 90% n-butyl chloride. The n-butyl chloride is preferentially adsorbed in the whole composition range. The obtained results are discussed attending to GE and the liquid order.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255803
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Ptitsyn-Eizner λ parameter for PMMA in theta solvents (1982)
    Springer
    Polymer bulletin 6 (1982), S. 455-462 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary We have calculated the λ parameter from Ptitsyn-Eizner equation for PMMA in several theta solvents (2-heptanone, acetonitrile, n-butyl chloride and nitromethane). We have found an equation that allows us to separate the long- and the short-range contributions to λ parameter.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255806
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Viscometric behaviour of PMMA(3)/THF(1)water(2) system (1982)
    Springer
    Polymer bulletin 6 (1982), S. 447-453 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary We have studied the PMMA viscometric behaviour in the polar binary mixture THF(1)/water(2). The results obtained point out that this mixture presents a synergistic effect in the composition interval 0 〈 u2〈12% (w/w) water. We have found also a sharp variation of the PMMA unperturbed dimensions, kΘ, which can be due to a conformational change. Starting from the evaluation of the intermolecular interaction parameter, B, and the Mark-Houwink-Sakurada exponent, the theta composition of the system has been determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255805
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Relationship between the preferential adsorption coefficient and polymer molecular dimensions in mixed solvents (1980)
    Springer
    Polymer bulletin 2 (1980), S. 383-388 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary In this paper a relationship between the preferential adsorption coefficient and polymer molecular dimensions is proposed $$\lambda \frac{{〈 s^2 〉 ^{3/2} }}{2} = \lambda _\infty \frac{{〈 s^2 〉 ^{3/2} }}{2} + A(\frac{{〈 s_0^2 〉 }}{2})^{3/2} $$ This relationship is found to be valid for all polymers in good theta solvents and for any molecular weight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01064368
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Selective adsorption of PMMA in polar binary mixtures (1980)
    Springer
    Polymer bulletin 3 (1980), S. 431-436 
    Details
    ISSN: 1436-2449
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary In this paper, we study the behaviour of PMMA(3) in the polar binary mixture chloroform(1)/acetic acid(2). In this system chloroform is preferentially adsorbed by PMMA in the range 0〈u2〈89% acetic acid. From this composition a weak adsorption of acetic acid has been detected; this can be explained suppossing an specific interaction between the polymer and the acetic acid, which might be of dipole-dipole type or by hydrogen bond.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00283817
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Viscosity-temperature relationships for dilute solutions of poly(cyclohexyl methacrylate) in methyl isobutyl ketone (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 29 (1984), S. 4427-4431 
    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
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1984.070291274
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    Paper (German National Licenses)
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