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01-Jan-1986 | Mitra, Smarajit, Journal of Polymer Science: Polymer Symposia, 1986
Abstract A polymeric analogue of crystal violet in which the triarylmethane moiety is pendent from a polyester backbone has been examined as a sensitizer for photoconductivity in poly‐N‐vinyicarbazole. In both positive and negative surface charging modes, the dark decay rates increase linearly ...
01-Jan-1986 | Montaudo, G.; Scamporrino, E.; Puglisi, C.; Vitalini, D., Journal of Polymer Science: Polymer Symposia, 1986
Abstract MS analysis was used to identify the cyclic oligomers formed in the polycondensation reactions of dibromoalkanes with dithiols. Cyclic oligomers with only an even number of repeating units are detected among the poly condensation reaction products.
01-Jan-1986 | Vaidya, Rajeev A.; Mathias, Lon J., Journal of Polymer Science: Polymer Symposia, 1986
Abstract Two new methods of predicting free radical polymerizability of allyl monomers have been developed. MINDO/3 calculations of eigenvalues for the C—H bond a to the atlyl substituent allow comparison of relative bond strengths. Monomers known to undergo degradative chain transfer display ...
01-Jan-1986 | Trumbo, D. L.; Marvel, C. S., Journal of Polymer Science: Polymer Symposia, 1986
Abstract A single‐crysial polyethylene‐bound palladium catalys: was prepared and used in the synthesis of acelylene‐terminated monomers.
01-Jan-1986 | Chang, C.; Muccio, D. D.; Pierre, T. St., Journal of Polymer Science: Polymer Symposia, 1986
Abstract Three copolymers of poly(acrylic acid‐co‐vinylamine) containing 12% (SP12). 30% (SP30), and 52% (SP52) amino groups were synthesized from poly(acrylic acid) by means of the Schmidt reaction. These copolymers were analyzed by C‐13 NMR and the results compared wiih the previously ...
01-Jan-1986 | Hoffman, R. D.; Godfrey, J. J.; Ehrig, R. J.; Kranbuehl, D. E.; Weller, L.; Hoff, M., Journal of Polymer Science: Polymer Symposia, 1986
Abstract DDA measurements made over a wide frequency range with a novel sensor are used to determine the onset of reaction, variation in viscosity, onset of gel, and reaction completion in a series of peroxide‐initiated unsaturated polyester resins diluted in styrene monomer. The dielectric ...