WebJun 4, 1998 · The phase behavior of ternary blends of an A–B random copolymer with two homopolymers (A and B) is investigated within the Flory–Huggins lattice theory. We restrict consideration to the formation of (isotropic) liquid phases. For compositionally symmetric systems in which the two homopolymers have equal molecular weights, two different … WebMar 12, 2003 · Die Makromolekulare Chemie Rapid Communications 2(6‐7):443 ... Makromol Chem; ... Both the chemical composition and the stereochemical configuration of the polymers exert a strong influence on ...
Did you know?
WebJan 1, 2005 · Aqueous solutions of poly ( N -isopropylacrylamide) having photoisomerizable chromophores or host molecules in the pendant groups showed reversible phase separations by photoirradiation or by the addition of specific metal or ammonium ions. The gels made of the polymers also underwent photostimulated or chemical-induced volume … WebAug 1, 1996 · After 24 h at 120 and 40 atm of COZ, high yields of cyclic carbonates were obtained. Under these conditions the catalytic activity was found to increase with an increase in the anion nucleophilicity and cation diameter. No simple correlation wr found between the reactivity of oxiranes and their tendency to form hydrogen bonds.
WebJan 1, 2007 · Metallocenes are very versatile catalysts for the production of polyolefins, polystyrene and copolymers. Some polymers such as syndiotactic polypropene, … WebNov 27, 2024 · Makromol. Chem. Rapid Commun. 1993, 14, 185–193. CAS Google Scholar Hizal, G.; Tasdemir, H.; Yagci, Y. Block copolymers by combination of cationic and radical routes: 5. Polymerization of styrene initiated by 4,4′-azobis (4-cyanopentanoyl chloride). olymer1990, 31, 1803–1806. CAS Google Scholar
WebDec 1, 1991 · Rapid Commun., 9, 761 (1988). V. Vittoria, F. De Candia, P. Iannelli, and A. Immirzi, Makromol. Chem., Rapid Commun., 9, 765 (1988). G. Guerra, V. M. Vitagliano, P. Corradini, and E.... WebFeb 1, 1990 · Chemical modification of polymers is generally undertaken to synthesize polymers for well defined applications as can be seen in the case of supported catalysts and reagents, phase transfer catalysts, supported syntheses, and pharmacological use.
WebMacromolecular Chemistry and Physics; Macromolecular Bioscience; Macromolecular Materials and Engineering; Macromolecular Theory and Simulations; Macromolecular …
Webmacromolecule, any very large molecule, usually with a diameter ranging from about 100 to 10,000 angstroms (10−5 to 10−3 mm). The molecule is the smallest unit of the substance … def count_lines filepath python course heroWebOct 14, 2011 · Keywords: chitosan chitin coordination chemistry 陕西省自然科学基金(No.98H02),南京大学配位化学国家重点实验室基金资课题. 胡道道,男,37岁,博士研究生;研究方向:生物无机化学. def courbe isWebMar 1, 1991 · Chem., Rapid Commun., 2, 725 (1981). T. Otsu, T. Yasuhara, and A. Matsumoto, J. Macromol. Sci.-Chem., A25, 537 (1988), and references therein. A. … defco websiteWebDoi Y, Suzuki E, Keii T (1981) Makromol Chem Rapid Commun 2: 293–297 CrossRef CAS Google Scholar Cardin DJ, Lappert MF, Raston CL (1986) Chemistry of Organo-Zirconium and -Hafnium Compounds. John Wiley and Sons, New York p 16 Google Scholar Download references Author information Authors and Affiliations def coveredWebFeb 10, 2024 · Makromol. Chem. Rapid Commun. 1990, 11, 571–576. ... Rapid thawing To thaw the cells, 2 mL of culture medium warmed to 37 °C was added. Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and ... feed and grow fish怎么打不开WebMar 1, 1991 · Rapid Commun., 2, 725 (1981). T. Otsu, T. Yasuhara, and A. Matsumoto, J. Macromol. Sci.-Chem., A25, 537 (1988), and references therein. A. Matsumoto, T. Tarui, and T. Otsu, Macromolecules,... def crackleWebDepartment of Applied Chemistry Faculty of Engineering Kagoshima University 1-21-40 Korimoto, Kagoshima 890, Japan View all articles by this author Metrics and citations def crawling