Handbook of Polymer Synthesis Second Edition Episode 1 ppt
Handbook of Polymer Synthesis Second Edition Episode 1 ppt
... r 1 r 2 Pressure (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 0–220 Isobutylene 2 .1 0.49 10 2 17 0 13 0–220 Styrene 0.7 1 150–250 10 0–280 Vinyl acetate 1 1 11 0 19 0 ... M 1 ! k 11 CatM 1 M 1 polymer 32ị CatM 1 polymer ỵ M 2 ! k 12 CatM 2 M 1 polymer 33ị CatM 2 polymer ỵ M 1 ! k 21 CatM 1 M 2 polymer 34ị...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 2 docx
... amount of low- molecular-weight polymer in the polymerization of NVK formed by a cationic process initiated by benzoyl peroxide [419, 420 ] or AIBN in the presence of CCl 4 [ 421 ] and CBr 4 [ 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 organometall...
Ngày tải lên: 13/08/2014, 16:21
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 the macromolecule [ 439 ,440] ... presence of potassium t-butoxide [32 ,33 ] or such transition metal catalysts as tris(triphenylphosphine)-ruthenium dichloride [34 ]. RO À CH 2 À CH ẳ CH 2 ! tBuOK or Ph 3...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 4 pdf
... random copolymerization with styrene. Mole% n-butyl acrylate 10 À3 M w 10 À3 M n PDI 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 65.2 81.2 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...
Ngày tải lên: 13/08/2014, 16:21
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 . Scho ă n, N., Pampus, G., and Witte, J...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 6 pot
... 2 ,6- Et, i-Pr [155] (14) Ar ẳ 2 ,6- Ph 2 -C 6 H 3 R ẳ 2 ,6- Ph 2 -C 6 H 3 [1 56] (15) L ẳ P(OMe) 3 , THF [159] ( 16) W(CH-t-Bu)(O)(OAr) 2 (PMe 3 )Arẳ 2 ,6- Ph 2 -C 6 H 3 [ 162 ] (17) Ar ẳ 2 ,6- i-Pr 2 -C 6 H 3 , ... [405] W(CH-t-Bu)(N-2 ,6- i-Pr 2 -C 6 H 3 )(OCMe(CF 3 ) 2 ) 2 0.95 M w /M n ẳ 1.03 [ 166 ,4 06] c Mo(CHCMe 3 )(N-2 ,6- i-Pr 2 -C 6 H 3 )(OCMe 3 ) 2 0.35 M w /M n ẳ 1...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 7 pptx
... substitution from hydroquinone and an excess of DFBP (109). They were used in turn for syntheses of PES block copolymers (110) [ 177 , 178 ]. Blockcopolymers containing dimethyl siloxane segments ... and early exploration of these methods has been reviewed in the 1st edition of this handbook (Chapter 9). 54ị In a publication of 1988 [79 ] (not reviewed before) polycondensations...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 8 ppt
... respectively. Setting the number of moles of the polyol, n pol ,tobe1,r becomes the number of moles of the chain extender. Number of moles of the diisocyanate, n ISO , at the stoichiometric ratio of NCO/OH groups ... the immiscibility of the hard and soft segments. Degree of phase separation (or phase mixing) affects the properties of the polymers, and it depends on the str...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 9 ppsx
... À7 .92 À0.3 19 À8.06 2.48 À0.3 29 À8.26 À0.330 À8.40 0.00 À0.327 À7 .94 À0.328 À8.06 0.37 À0.323 À8.11 À0.323 À8.25 0. 79 À0.337 À8.65 À0.338 À8.73 À2.17 À0.326 À8. 29 À0.326 À8. 39 0.56 À0.354 À8. 89 ... non-curable polymers containing pendant imide rings have been synthesized and studied with the objective of improving the properties of classical addition polymers [234–237]. The...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 10 pps
... toluene and amorphous polymers during homogeneous polymerization in tetrahydrofuran. The softening points of the crystalline polymers were about 240 C [342]. Atactic polymer of t-butyl vinyl ketone ... rate of polymerization of crotonaldehyde increases with the dielectric constant of the solvent is evidence for an ionic mechanism of the polymerization. An increase in dielectri...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 11 pptx
... number of macrocycles n (degree of polymerization) with the number of bridged monomers b and the number of end monomers e. n ẳ b=2 ỵ e=4 9ị Evaluation 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. In dependence of the deposited Cu-film thicknesses of 1.5 till 20 nm ad...
Ngày tải lên: 13/08/2014, 16:21
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 (I 2 or FeCl 3 ), values of 0.2–50 S/cm and represent a novel type of electrically conducting polymers....
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 13 pdf
... University of Technology, Kaunas, Lithuania I. FOREWORD Since 1992 when the first edition of the Handbook of Polymer Synthesis was published a 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 polym...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 14 pptx
... ratio of about 0.4 and an average degree of polymerization of about 30 [43]. 12ị Phenylic 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 alternating copolymers. Instead of the 2,7-dibromofluorene a variety of dibromoarenes can be used in the Pd-cat...
Ngày tải lên: 13/08/2014, 16:21
Handbook of Polymer Synthesis Second Edition Episode 15 pdf
... importance of this first example of a solid phase synthesis on polymer support which was followed by the development of numerous polymeric reagents [148]. Presently, the fast expanding technique of combinatorial ... of the great number of hydroxyl groups in the prepolymer, curing with dianhydrides can form very densely crosslinked, second- stage polymers if used in relatively...
Ngày tải lên: 13/08/2014, 16:21
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