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Polystyrene combs

In a later study, Roovers and Graessley [39] investigated the role that molecular weight between branches plays in the rheology of polystyrene combs. Two backbone polymers with molecular weights of 275000 and 860 000 g/mol... [Pg.570]

Linear polystyrene o Branched polystyrene (comb type)... [Pg.246]

Hemandez-Guerrero, M., Davis, T.P., Bamer-Kowollik, C., Stenzel, M.H. Polystyrene comb polymers built on cellulose or poly(styrene-co-2-hydroxyethylmethacrylate) backbones as substrates for the preparation of structured honeycomb films. Eur. Polym. J. 41, 2264-2277 (2005)... [Pg.252]

Add the stacking gel solution after degassing and insert a polystyrene comb (Fig. lA, c). Overlay the edges with distilled water. Leave the gel solutions to polymerize for approximately 1 hr. [Pg.209]

Fig. 26. Universal calibration curve for SEC. Polystsrrene (linear) O polystyrene ( comb ) + polystyrene ( star ) A polystyrene-poly(methylmethacrylate) copolymer (heterograft) x poly(methylmethacrylate) (linear) poly(vinylchloride) V polystyrene-poly(methylmethacrylate) copolymer (graft-comb) Bpolylphenyl siloxane) A polystyrene-poly(methylmethacrylate) copolymer (statistical-linear) n polybutadiene. From Ref 31. Fig. 26. Universal calibration curve for SEC. Polystsrrene (linear) O polystyrene ( comb ) + polystyrene ( star ) A polystyrene-poly(methylmethacrylate) copolymer (heterograft) x poly(methylmethacrylate) (linear) poly(vinylchloride) V polystyrene-poly(methylmethacrylate) copolymer (graft-comb) Bpolylphenyl siloxane) A polystyrene-poly(methylmethacrylate) copolymer (statistical-linear) n polybutadiene. From Ref 31.
Schappacher, M. and Defifieux, A. (2008b) Atomic force microscopy imaging and dilute solution properties of cyclic and linear polystyrene combs. Journal of the American Chemical Society, 130,14684—14689. [Pg.19]

Scheme 21.2 Synthesis of polystyrene combs by grafting PSLi onto chloroether units of a linear PCEVE. Scheme 21.2 Synthesis of polystyrene combs by grafting PSLi onto chloroether units of a linear PCEVE.
Table 21.4 Quantification of elementary reaction processes through statistical analysis of AFM images of isolated 4-arm polystyrene comb stars (Reprinted with permission from M. Schappacher and A. Deffieux, AFM image analysis applied to the investigation of elementary reactions in the synthesis of comb star copolymers, Macromolecules, 38, 4942—4946, 2005 2005 American Chemical Society.)... Table 21.4 Quantification of elementary reaction processes through statistical analysis of AFM images of isolated 4-arm polystyrene comb stars (Reprinted with permission from M. Schappacher and A. Deffieux, AFM image analysis applied to the investigation of elementary reactions in the synthesis of comb star copolymers, Macromolecules, 38, 4942—4946, 2005 2005 American Chemical Society.)...
Table 21.7 Characteristics of linear (L) ABC triblocks prepared by living cationic polymerization and of the corresponding cycUc (C) with poly (CEVE) as central block (Reprinted with permission from M. Schappacher and A. Deflieux, Atomic force microscopy imaging and dilute solution properties of cyclic and linear polystyrene combs, Journal of the American Chemical Society, 130, 14684—14689, 2008. 2008 American Chemical Society.)... [Pg.664]

Fig. 3.26 Universal calibration curve for crosslinked polystyrene gels with tetrahydrofuran as solvent %y linear polystyrene 0 branched polystyrene (comb type) +, branched polystyrene (star type) A, branched block copolymer of styrene methyl methacrylate x, poly (methyl methacrylate) poly (vinyl chloride) V, graft copolymer of styrene methyl methacrylate , polybutadiene (reprinted with permission from Comprehensive Polymer Science, copyright 1989, Pergammon Press pic). Fig. 3.26 Universal calibration curve for crosslinked polystyrene gels with tetrahydrofuran as solvent %y linear polystyrene 0 branched polystyrene (comb type) +, branched polystyrene (star type) A, branched block copolymer of styrene methyl methacrylate x, poly (methyl methacrylate) poly (vinyl chloride) V, graft copolymer of styrene methyl methacrylate , polybutadiene (reprinted with permission from Comprehensive Polymer Science, copyright 1989, Pergammon Press pic).
Bailly, C., Stephanne, V., Muchtar, Z., Schappacher, M. Deffieux, A. Linear viscoelastic behavior of densely graftedpoly(chloroethyl vinyl ether)-g-polystyrene combs in the melt./. Rheol (2003) 47, pp.821-825... [Pg.85]

Figure 5.24 Storage and loss moduli versus reduced frequency of a polystyrene comb with a backbone = 2.75 10 and 30 arms with molecular weights of =4.7-10. Note the substantial portions of both curves that have slopes of one-half on this log-log plot. From Roovers and Graessley [101 ]. Figure 5.24 Storage and loss moduli versus reduced frequency of a polystyrene comb with a backbone = 2.75 10 and 30 arms with molecular weights of =4.7-10. Note the substantial portions of both curves that have slopes of one-half on this log-log plot. From Roovers and Graessley [101 ].
The products are polyethylene (plastic bags). Teflon (pan coating), polyvinylchloride (phonograph records), orlon (rug fibers), polystyrene (combs, insulation materials), lucite (plexiglas), latex (dyes and lacquers), see organic chemistry textbooks. [Pg.302]

Examples polystyrene-comb-polyacrylonitrile comb-poly(styiene-stat-actylonitrile) pofysfyiene-comb- polyactylonitrile ... [Pg.17]

See other pages where Polystyrene combs is mentioned: [Pg.137]    [Pg.20]    [Pg.389]    [Pg.570]    [Pg.302]    [Pg.227]    [Pg.71]    [Pg.271]    [Pg.668]   
See also in sourсe #XX -- [ Pg.570 ]



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Linear Combs with Polystyrene Branches

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