A~tract--Experimental results concerning the fractionation of polypivalolactone, carried out by gel permeation chromatography (GPC) in m-cresol, are reported. For each fraction, the number average and the weight average molecular weights, obtained by GPC using an osmometric calibration, and the intr
The unperturbed dimensions of nylon 66
β Scribed by Saunders, P. R.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1964
- Tongue
- English
- Weight
- 264 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0449-2951
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Viscosity measurements on poly-p-chlorostyrene (PPCS) in benzene-methanol mixtures have been carried out at their corresponding theta temperatures determined by the phase separation method. Viscosity measurements were also run in benzene at the same temperatures. The Stockmayer-Fixman extrapolation
Three aryloxyphosphazene copolymers, [P(ORXOR')-N-] with R = phenyl, and R' = p-ethylphenyl, 2,4-dichlorophenyl or 2-naphthyl, were each separated into four fractions using fractional precipitations from tetrahydrofuran (THF) solutions, with n-pentane as non-solvent. Two fractions from each were cha