Solution properties of a propylene-tetrafluoroethylene 0aTFE) copolymer were studied in a thermodynamically good solvent (tetrahydrofuran, THF) and in poor solvents (n-butyl acetate, methyl isobutyl ketone). Mark-Houwink relations were determined for the copolymer in particular solvents and unpertur
Study of synthesis and properties of tetrafluoroethylene-propylene copolymers
✍ Scribed by George Kostov
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 48 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0022-1139
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Sorption kinetics and diffusion of hexane, heptane, octane, nonane, decane, cyclohexane, and 2,2,4-trimethylpentane through tetrafluoroethylene/propylene copolymer membranes were studied using the gravimetric sorption method at 30, 45, and 60°C. Coefficients of diffusion were calculated from Fick's
## Abstract Copolymers of ethylene and C^14^‐labeled propylene were prepared with a metal‐oxide catalyst which polymerizes ethylene to a high density polymer. Methyl branches arising from the propylene were counted radiochemically and then related to the infrared absorption of films at 8.7 μ. This