Structure of tetrafluoroethylene-vinyl acetate copolymers studied by pyrolitic gas chromatography
✍ Scribed by N.Ye. Shadrina; V.F. Pavlova; B.Kh. Badyrov; M.K. Asamov; N.K. Podlesskaya
- Book ID
- 116048807
- Publisher
- Elsevier Science
- Year
- 1988
- Weight
- 303 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0032-3950
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## Synopsis T h e specific retention volumes of nine hydrocarbons and 12 alcohols were measured at several temperatures within the range 120-150O C in columns whose stationary phases were poly(viny1 acetate) (PVAc) and four copolymers of vinyl acetate and vinyl alcohol with 94.8, 74.4, 60.9, and 4
## Abstract A gas chromatographic analysis for vinyl acetate is presented. Vinyl acetate was sampled by adsorbing on activated carbon. It was desorbed with carbon disulfide with a mean efficiency of 83.0%. The analytical column was packed with 10% free fatty acid phase on acid‐washed Chromosorb‐P.
## SYNOPSIS Sorption isotherms of alcohols in EVOH copolymers were determined by inverse gas chromatography below and above the glass transition temperature. The sorbates studied were: methanol, ethanol, n-propanol, i-propanol, n-butanol, i-butanol, s-butanol, and t-butanol. From the sorption iso