Zobrazeno 1 - 10
of 24
pro vyhledávání: '"G.A. Gladkovskii"'
Publikováno v:
Polymer Science U.S.S.R.. 22:2456-2462
Mixtures of polyxypropylene polyols with water are typical systems with a lower critical miscibility temperature whose position is proportional to the concentration of end hydroxyl groups independently of the degree of branching of the polyethers. Re
Publikováno v:
Polymer Science U.S.S.R.. 22:1958-1965
The results of the fractionation and the mol.wt. of polyoxypropylene polyols (POPP) produced by the polyaddition reaction of propylene oxide with potassium glycerate in glycerol have shown that the neutral polyether contains two diol types one of whi
Publikováno v:
Polymer Science U.S.S.R.. 20:2689-2693
A study was made of the molecular heterogeneity of polyethers, propylene oxide-ethylene oxide copolymers. Thin layer chromatography using silica gel was applied. Separation is based on the difference in adsorption interaction of hydroxyethyl and hydr
Autor:
G.A. Gladkovskii, Ye.V. Ryzhenkova
Publikováno v:
Polymer Science U.S.S.R.. 13:723-730
Publikováno v:
Polymer Science U.S.S.R.. 4:358-367
Publikováno v:
Polymer Science U.S.S.R.. 14:1315-1322
Publikováno v:
Polymer Science U.S.S.R.. 15:2843-2849
The temperature dependence of the viscosity of linear polypropylene glycols (PPG) of various mol.wt. was studied in the range from −50 to +50°C, amongst them that of a sample in which the hydroxyl end groups had been substituted by methyl groups.
Publikováno v:
Polymer Science U.S.S.R.. 4:397-404
Publikováno v:
Polymer Science U.S.S.R.. 15:1370-1376
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