Zobrazeno 1 - 10
of 12
pro vyhledávání: '"David L. Dunkelberger"'
Autor:
M. C. Patterson, David L. Dunkelberger
Publikováno v:
Journal of Vinyl and Additive Technology. 1:21-25
Accurate molecular weight characterization of PVC is necessary before attempting to modify the properties of the polymer using additives and/or process the compound in some fashion. Commercial PVC resins are characterized by many different dilute sol
Publikováno v:
Journal of Vinyl and Additive Technology. 16:46-51
Polyvinylidene chloride (PVDC) copolymers are highly crystalline materials used in packaging applications because of their strength and excellent barrier properties. The crystalline moiety (∼40 to 50%) generally melts from 160 to 170°C and the amo
Autor:
David L. Dunkelberger, E. P. Dougherty
Publikováno v:
Journal of Vinyl and Additive Technology. 12:212-216
Autor:
David L. Dunkelberger
Publikováno v:
Journal of Vinyl and Additive Technology. 15:45-45
Publikováno v:
Journal of Vinyl and Additive Technology. 8:126-131
The die swell behavior of PVC melts is a manifestation of melt elasticity and is of considerable commercial as well as fundamental importance. This behavior is a critical issue in extrusion blow molding application where die swell (i.e. parison thick
Publikováno v:
Angewandte Makromolekulare Chemie. 171:175-190
A major disadvantage of PVC is its low glass transition temperature which limits the service temperature of finished articles to about 70°C. An additive has been developed that can be formulated with PVC to form blends with increased service tempera
Publikováno v:
Journal of Polymer Science. 42:501-510
Addition of methyl methacrylate monomer to poly(methyl methacrylate) which has been polymerized with fluorenyllithium or sodium-naphthalene in tetrahydrofuran at −78°C. produces high conversion of monomer to polymer. By a comparison of the number-
Publikováno v:
Journal of the American Chemical Society. 82:400-403
Publikováno v:
Journal of Polymer Science. 59:S43-S45
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