Prediction of glass transition temperatures of polyquinolines and polyquinoxalinesPolymer Science, Series A - Tập 54 - Trang 48-60 - 2012
Yanli Liu, Zhengde Tan, Shihua Zhang
Two molecular descriptors calculated directly from repeating units were used to predict the glass transition temperature (T
g) values of polyquinolines and polyquinoxalines. These polymers were randomly divided into a training set (44 polymers) and a test set (19 polymers). By applying stepwise multiple linear regression analysis, the training set was used to construct a quantitati...... hiện toàn bộ
Effect of the montmorillonite cloisite 15A on the structure and properties of poly(1-butene)Polymer Science, Series A - Tập 54 - Trang 493-498 - 2012
G. Kh. Idiyatullina, S. I. Vol’fson, R. K. Sabirov, R. S. Yarullin
The structure and properties of nanocomposites based on poly(1-butene) and the nanoclay Cloisite 15A are studied. The nanoclay introduced into poly(1-butene) (5 wt %) is an efficient additive that improves mechanical and thermal properties of poly(1-butene).
The effect of electric discharges on electrophysical properties of polymer blendsPolymer Science, Series A - Tập 52 - Trang 295-298 - 2010
A. A. Aliev, O. A. Ledneva, A. A. Popov
The electric aging of HDPE-PP blends obtained from melt and PS-PVC blends prepared from solution is studied in the range of low (0.1–10 wt %) concentrations of the second component. It is found that the addition of a minor amount of PE (1–2 wt %) to PP significantly intensifies changes in the electric properties and erosion of PP. For a PS-PVC blend, the addition of small (up to 1 wt %) amounts of...... hiện toàn bộ
The study of sorption and transport properties of membranes containing polyanilinePolymer Science, Series A - Tập 52 - Trang 856-863 - 2010
A. Yu. Pulyalina, G. A. Polotskaya, L. M. Kalyuzhnaya, N. N. Saprykina, I. G. Sushchenko, T. K. Meleshko, A. M. Toikka
The transport properties of membranes based on polyimide-polyaniline composites are studied in the pervaporation separation of a methanol-toluene binary azeotropic mixture. The morphology of the membranes is investigated by electronic microscopy, and the wettability of their surface is analyzed by contact-angle measurements. Special attention is given to the study of sorption and diffusion charact...... hiện toàn bộ
Controlled adsorption-desorption of cationic polymers on the surface of anionic latex particlesPolymer Science, Series A - Tập 52 - Trang 483-489 - 2010
A. A. Rakhnyanskaya, I. D. Pebalk, V. N. Orlov, I. A. Gritskova, N. I. Prokopov, A. A. Yaroslavov
The complexation of anionic latex particles with two series of cationic copolymers is studied. The copolymers of the first series contain cationic and electroneutral (zwitter ion) hydrophilic units. The electrostatic adsorption of these copolymers on the surface of latex particles is accompanied by the formation of multiple salt bridges between cationic copolymer units and surface anionic groups. ...... hiện toàn bộ