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  • 1980-1984  (3)
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  • 1
    Electronic Resource
    Electronic Resource
    Cationic ring-opening polymerization of spirophosphorane, 5-phenyl-1,4,6,9-tetraoxa-5-phosphaspiro[4,4]nonane (1981)
    Springer
    Polymer bulletin 5 (1981), S. 325-329 
    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 This paper reports new cationic ring-opening polymerization of a spirophosphorane, 5-phenyl-1, 4, 6, 9-tetraoxa-5-phosphaspiro (4, 4) nonane, 1. The polymerization of 1. was induced by cationic initiators such as methyl trifluoromethanesulfonate (MeOTf), BF3·OEt2, and Et3O+-BF4 − to give polymer 2 consisting of two different units, 2a and 2b. During the reaction cyclic phosphonate 3 and 1,4-dioxane were simultaneously produced. The formation of unit 2b is considered to be due mainly to the cationic ring-opening polymerization of 3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255125
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Correction (1981)
    Springer
    Polymer bulletin 5 (1981), S. 477-477 
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00255986
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Preparation of ring-opening polymerizable macromer and its copolymerization leading to graft copolymer (1983)
    Springer
    Polymer bulletin 9 (1983), S. 169-173 
    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 A poly (ethylene oxide) macromer (1) having a ring-opening polymerizable 2-oxazoline group at the end has been prepared starting with 2-(p-hydroxyphenyl)-2-oxazoline (4). Cationic ring-opening homo-polymerization of 1 took place to give a comb-like polymer having poly(ethylene oxide) branches. Cationic copolymerization of 1 with 2-phenyl-2-oxazoline(2) produced graft copolymer of poly [(2-phenyl-2-oxazoline)-g-(ethylene oxide)](3). From the results of fractional reprecipitation of 3 the polymerizability of 1 is considered to be less due at least partly to the electronic effect of p-alkoxy group in 1 than that of monomer 2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00283702
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    Paper (German National Licenses)
    Fulltext
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