Download Alternating Copolymers by J. M. G. Cowie (auth.), J. M. G. Cowie (eds.) PDF

By J. M. G. Cowie (auth.), J. M. G. Cowie (eds.)

Examination of the early literature attests to the truth that the learn of copolymerization used to be initiated whilst polymer technological know-how used to be in its infancy. It has persevered to develop to a topic of significant value and has been a resource of curiosity to either educational and industrialist alike. The broad spectrum of buildings and homes on hand within the statistical copolymer has made this a fruitful box of exploration, yet one specific and extra limited shape which has held its personal fascination for plenty of is the proscribing case of the strictly alternating copolymer. this is often shaped, within the perfect scenario, while monomers in a response mix upload consecutively to create a polymer chain with a typical {ABABAB} constitution, regardless of the monomer feed ratio. while this occurs the ensuing copolymer will regularly have an identical composition, a characteristic which might be beneficial but additionally a bit restrictive, because the skill to alter the houses is then restricted. inside of a chain entitled Speciality Polymers it sort of feels applicable then to accommodate this topic, rather as no earlier try out has been made to attract jointly many of the aspects of alternating copolymerization into one quantity. It additionally turns out well timed to give a extra unified photograph of the topic for you to additionally illustrate the growth made.

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L. Funt and J. Rybicky, J. Polym. Sci. AI, 9, 1441 (1971). A. L. Logothetis and J. M. McKenna, J. Polym. Sci. Polym. Chern. , 15, 1431 (1977). A. L. Logothetis and J. M. McKenna, ACS Polymer Preprints, 19(1), 528 (1978). N. G. Gaylord and B. Matyska, J. Macromol. Sci. , A4, 1519 (1970). M. Hirooka, K. Mashita, T. Kato, T. Kondo, S. Yasui, and S. Morita, ACS Polymer Preprints, 19(1), 3, (1978). A. Kawasaki, I. Muruyama, M. Taniguichi, R. Hirai, and J. Furukawa, J. Polym. Sci. Part B, 7, 613 (1969).

3. Effect of Solvent on K The strength of the charge transfer complex between two potential monomers will depend on their relative power as electron donors and acceptors. As we have seen the Benesi-Hildebrand equation may give zero or negative values of K when the CTC formed is weak, and one reason for this lies in the electron donating or accepting capacity of the solvent used in the measurement. It has been observed< 1•51 J that CTC formation depends on the dielectric constant of the solvent, and in the MAn-DYE system, Butler and Fujimori 06 l measured the K values shown in Table 5 which decrease with increasing solvent polarity.

E I ... Figure 10. (A) Initial copolymerization rates as a function of monomer feed molar ratios for the copolymerization of maleic anhydride and a-methyl styrene in benzene at 60°C. 0 molar. 0 molar. (From Ref. 14 E 0 ~ 16 "0 2 0 c .... 221 (A) ~ 0 ~ = ";:;·= s· . ;:;·=-::c J. M. G. Cowie 38 Litt(69 > approach, but Pittman and Rounsefell( 75 > have made use of Marquardt's algorithm for nonlinear estimation of the various unknown parameters and were able to calculate "best fit" values for the reactivity ratios.

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