Handbook of Polymer Synthesis Second Edition Episode 6 pot
Handbook of Polymer Synthesis Second Edition Episode 1 ppt
... r 1 r2Pressure (MPa) Temp. (C)Propene 3.2 0.62 10 2 17 0 12 0–220 1- Butene 3.2 0.64 10 2 17 0 13 0–220Isobutylene 2 .1 0.49 10 2 17 0 13 0–220Styrene 0.7 1 150–250 10 0–280Vinyl acetate 1 1 11 0 19 0 ... M 1 !k 11 CatM 1 M 1 polymer 32ịCatM 1 polymer ỵ M2!k 12 CatM2M 1 polymer 33ịCatM2 polymer ỵ M 1 !k 21 CatM 1 M2 polymer 34ịCatM2 polymer ỵ M2!k22CatM2M2 polymer 35ịr 1 ẳk 11 k 12 r2ẳk22k 21 36ịwhere ... Zr/À60 Ti/À3mmmm% 0.052 0.085 0 .10 6 0 .14 0 0.430niso2.02 2.28 2.36 2.53 4.09nm 1. 50 1. 69 1. 74 1. 88 3.47nr 1. 48 1. 32 1. 29 1. 23 1. 13Table 19 Comparison of the productivity, molecular weight,...
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Handbook of Polymer Synthesis Second Edition Episode 2 docx
... amount of low-molecular-weight polymer in the polymerization of NVK formed by a cationic processinitiated by benzoyl peroxide [419, 420 ] or AIBN in the presence of CCl4[ 421 ] and CBr4[ 422 , 423 ] ... reported on the coordinative Ziegler–Natta-type polymerization of a-MeSt. Some papers of Sakurada [20 0 ,22 0 22 2] describe successful preparation of PMS with organometallic systems. The system AlEt3/TiCl4was ... NVP.70ịB. Radical Polymerization1. Bulk PolymerizationIn one of the first bulk polymerizations of NVP [4 82 486], in which H 2 O 2 was used asinitiator, the resulting products of PVP were yellowish...
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Handbook of Polymer Synthesis Second Edition Episode 3 pot
... grafting of VC on suitable polymers [30 5, 438 ], blends of PVC with butadiene/styrene and butadiene/methacryl acid esters copolymers [ 433 ], and polymer- analogous reactions on themacromolecule [ 439 ,440] ... presence of potassium t-butoxide [32 ,33 ] or such transition metal catalysts astris(triphenylphosphine)-ruthenium dichloride [34 ].RO À CH2À CH ẳ CH2!tBuOK orPh 3 Pị 3 RuCl2RO CH ẳ CH CH 3 8ịFinally, ... temperatures [37 ], which yield2,5-dihydrofuran which can easily be converted into 2 ,3- dihydrofuran in the presence of isomerization catalysts, such as Fe(CO)5, KOC(CH 3 ) 3 or Ru(PPh 3 )2Cl2 [38 ].10ịCopyright...
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Handbook of Polymer Synthesis Second Edition Episode 4 pdf
... randomcopolymerization with styrene.Mole% n-butyl acrylate 10À3Mw10À3MnPDI Conversion/% 24. 7 32.5 24. 6 1.32 89.3 43 .5 38.2 24. 8 1. 54 83.0 64. 1 36 .4 24. 4 1 .49 65.281.2 10.6 6.1 1.73 33 .4 Copyright ... butanone [49 5] or ethyl methyl ketone [47 0 ,47 6] with AIBN [49 6 49 9] and dioxane with benzoyl peroxide [47 4 ,48 4,500,503].In benzene as solvent the resulting polymer forms a slurry [5 04] . AIBN ... terpolymer of styrene,MMA, and t-butylperoxy acrylate [ 141 ]. Furthermore, redox reactions of OH-containingpolymers, such as poly (vinyl alcohol) [ 142 – 144 ] or poly(hydroxyethyl methacrylate) [ 144 ],but...
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Handbook of Polymer Synthesis Second Edition Episode 5 potx
... 35: 8 25. 455 . Koton, M. M. (1960). Tekhnol. Polim., 7/8: 54 . 456 . Simpson, W., Holt, T., and Zetic, R. J. ( 153 ). J. Polym. Sci., 10: 489. 457 . Howard, R. N. (1 954 ). J. Polym. Sci., 14: 53 5. 458 . ... (1961) 55 : 159 82.149. Stewart, R., Darey, J., and McLeod, L. (1 959 ). US.P. 3409604 to Polym. Corp., C.A. (1963), 58 : 155 4. 150 . Schoăn, N., Pampus, G., and Witte, J. (1962) to Bayer AG. 151 . ... Kunststoffe, 50 : 623.303. Turner, N. L. (1972). DEOS 22 10, 957 to Petro Tex. Chem. Corp., C.A. (1973) 78: 59 5 45. 304. Aho, C. E. (1969). U.S. Pat. 3,422,0 45 to Du Pont, C.A. (1969) 70: 58 750 .3 05. Dohi,...
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Handbook of Polymer Synthesis Second Edition Episode 6 pot
... 2 ,6- Et, i-Pr [155] (14)Ar ẳ 2 ,6- Ph2-C 6 H3R ẳ 2 ,6- Ph2-C 6 H3[1 56] (15)L ẳ P(OMe)3, THF [159] ( 16) W(CH-t-Bu)(O)(OAr)2(PMe3)Arẳ 2 ,6- Ph2-C 6 H3[ 162 ] (17)Ar ẳ 2 ,6- i-Pr2-C 6 H3, ... [405]W(CH-t-Bu)(N-2 ,6- i-Pr2-C 6 H3)(OCMe(CF3)2)20.95 Mw/Mnẳ 1.03 [ 166 ,4 06] cMo(CHCMe3)(N-2 ,6- i-Pr2-C 6 H3)(OCMe3)20.35 Mw/Mnẳ 1.101.15 [142,4 06] Ru(ẳCH-p-C 6 H4X)(PPh3)2Cl20.10 ... etc. [ 163 , 164 , 165 ] (18)R2ẳ t-Bu, etc.Ar ẳ 2 ,6- Ph2-C 6 H3[ 167 ] (19)L ẳ PMe3; PEt3; TMS ẳ SiMe3[ 169 ] (20)W(NPh)[OCMe(CF3)2]2(CH2-SiMe3)2Used for photoinduced ROMP [ 168 ]...
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Handbook of Polymer Synthesis Second Edition Episode 7 pptx
... substitution fromhydroquinone and an excess of DFBP (109). They were used in turn for syntheses of PES block copolymers (110) [ 177 , 178 ]. Blockcopolymers containing dimethyl siloxanesegments ... andearly exploration of these methods has been reviewed in the 1st edition of this handbook (Chapter 9).54ịIn a publication of 1988 [79 ] (not reviewed before) polycondensations of phenoxy-benzoyl ... fractions of cyclic OES were obtained and monodisperse cycles (fromthe dimer to the hexamer) were isolated by column chromatography [76 ,77 ]. Two papers [73 ,75 ] describe detailed studies of ring-opening...
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Handbook of Polymer Synthesis Second Edition Episode 8 ppt
... respectively.Setting the number of moles of the polyol, npol,tobe1,r becomes the number of moles of the chain extender. Number of moles of the diisocyanate, nISO, at thestoichiometric ratio of NCO/OH groups ... the immiscibility of the hard andsoft segments. Degree of phase separation (or phase mixing) affects the properties of thepolymers, and it depends on the structure of the soft and hard segments ... s(CH2)6.91 1447 m A s(CH2)7. 08 1412 m n(C–C)7.30 1370 s W(CH2)7.63 1311 m b(C–H) 8. 12 1232 sh UT: amide III 8. 22 1216 sUT: amide III,(COOC) 8. 28 12 08 sh t(CH2) 8. 99 1112 vs UT: ns(CO–O–C)...
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Handbook of Polymer Synthesis Second Edition Episode 9 ppsx
... À7 .92 À0.3 19 À8.06 2.48À0.3 29 À8.26 À0.330 À8.40 0.00À0.327 À7 .94 À0.328 À8.06 0.37À0.323 À8.11 À0.323 À8.25 0. 79 À0.337 À8.65 À0.338 À8.73 À2.17À0.326 À8. 29 À0.326 À8. 39 0.56À0.354 À8. 89 ... non-curable polymers containingpendant imide rings have been synthesized and studied with the objective of improving theproperties of classical addition polymers [234–237]. The synthesis of these polymers ... the synthesis of these copolyimides. In fact, many of the countless processable, aromatic polyimides described in last years, have ether linkagesin their backbone [74,81, 197 – 199 ]. The method of...
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Handbook of Polymer Synthesis Second Edition Episode 10 pps
... toluene and amorphous polymers duringhomogeneous polymerization in tetrahydrofuran. The softening points of the crystallinepolymers were about 240C [342]. Atactic polymer of t-butyl vinyl ketone ... rate of polymerization of crotonaldehyde increases with thedielectric constant of the solvent is evidence for an ionic mechanism of the polymerization.An increase in dielectric constant of the ... investigated with respect to the viscosity of the polymer solution and the structure of the polymer. 4. Anionic PolymerizationAnionic polymerization of methacrolein was investigated by several...
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Handbook of Polymer Synthesis Second Edition Episode 11 pptx
... number of macrocycles n (degree of polymerization) with the number of bridged monomers b andthe number of end monomers e.n ẳ b=2 ỵ e=4 9ịEvaluation of some data (determination of number of nitrile ... and polymeric phthalocya-nines. By ESCA spectra 0.7% of free Cu in the polymeric films were found. Independence of the deposited Cu-film thicknesses of 1.5 till 20 nm adhering films of thepolymers ... probability of the polymerization under radicalicinitiation was found. Due to side reactions often the polymer yield of the coordinative-type monomers are lower compared to the polymer yield of the...
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Handbook of Polymer Synthesis Second Edition Episode 12 pptx
... Synthesis of Conducting Polymers in Handbook of Conducting Polymers, Vol. 1 (Skotheim, T. A., ed.), Marcel Dekker, New York, p. 82;Street, G. B. (1986). From Powder to Plastics in Handbook of ... coworkers [123 ].The polymers are air and waterstable and reached, doped with (I2or FeCl3), values of 0.2–50 S/cm and represent a novel type of electrically conducting polymers.Poly(azepine) [124 ]. ... as an organic polymer coating. The performance of layered semiconductors has been shown to be improved by the electropolymerization of layers of poly(indole) on the defective sites of the surface....
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Handbook of Polymer Synthesis Second Edition Episode 13 pdf
... University of Technology, Kaunas, LithuaniaI. FOREWORDSince 1992 when the first edition of the Handbook of Polymer Synthesis was publisheda number of new applications for photoconductive polymers ... et al. [139 ] and Bradley[140]. One of the major improvements was the use of tetrahydrothiophene instead of dimethyl sulphide in the synthesis of the precursor polymer [141]. The use of the cyclicleaving ... by Wessling [130 133 ] and Kanabe [134 ], starting from the monomers p-xylylene-bis(dimethylsulfo-nium tetrafluoroborate) [134 ] or chloride (Scheme 28) [130 133].28ịThe latter is polymerized to...
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Handbook of Polymer Synthesis Second Edition Episode 14 pptx
... ratio of about 0.4 and an average degree of polymerization of about 30 [43].12ịPhenylic substituents at the vinyl ene positions — increasing both solubi lity of the polymer and stability of the ... synthesis of polyfluoren homopolymers allows also the design of alternatingcopolymers. Instead of the 2,7-dibromofluorene a variety of dibromoarenes can be usedin the Pd-catalyzed C–C coupling polymerization ... referred to the reviews of Schmidt et al. [14] and Feast et al. [62].C. Light Emitting Polymers (LEPs) Based on PolyfluorenesA second important class of p-conjugated polymers are polyfluorenes,...
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Handbook of Polymer Synthesis Second Edition Episode 17 pot
... synthesis of ABA triblock copolymerswith macro-iniferter technique. Polymer, 42(7): 3033–3042.194. Greiner, A., et al. (2000). Method for synthesis of block polymers by controlled radicalpolymerization ... enablesthe synthesis of new block copolymers. However, the efficiency of the block copolymer synthesis, as well as the consumption of the initial transfer agent depends strongly onthe structure of the ... (2000). Synthesis of block copolymer by combination of living cationic andiniferter polymerization systems. Polymer, 41(18): 6709–6713.288. Liu, Y., Ying, S., and Wan, X. (1999). Synthesis of block...
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