Diffusion coefficient and solubility of vinyl acetate molecules in poly(vinyl acetate) matrices
β Scribed by Jin-San Yoon; Kye-Li Kim; Kye-Hwan Lee; Sung-Jae Maing
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 236 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0014-3057
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## SYNOPSIS The grafting preference of vinyl acetate onto the methine carbon of poly(viny1 alcohol) (PVOH) versus the acetate group of poly(viny1 acetate) (PVAc) was determined as part of an attempt to prepare novel branched PVOH from partially hydrolyzed PVAc. The results showed long chain grafti
## Abstract The technique of forced Rayleigh scattering has been used to examine the tracer diffusion of probe photochromic dyes, azobenzene and methyl red, in poly (vinyl acetate)/ toluene solutions, as a function of polymer concentration (0β96% by weight) and temperature (5β45Β°C). It is demonstra
## Abstract In creating thin films of polymers by solution processing, a common problem is the undesirable formation of bubbles during the drying process. Practical experience shows that bubbles can be created well below the boiling point of the solvent. Also, it has been observed that the degassin
## Abstract A crosslinked network was formed by the reaction of partially saponified poly(vinyl acetate) and toluylene diisocyanate in benzene. The yield of gel was markedly dependent on the degree of saponification and the concentrations of polymer and diisocyanate. Crosslinked poly(vinyl alcohol)