Fundamentals of Polymer Engineering Part 9 doc

... 4.346 38.5 5.3 49 97.3 3.243 0.475 4.440 43.4 5. 395 97 .9 3.305 0.706 4.454 48.5 5.440 98 .4 3.366 0 .99 9 4.507 53.5 5.485 98 .7 3.427 1.38 4.560 58.3 5.530 99 .1 3.488 1.88 4.612 62 .9 5.574 99 .3 3.548 ... 15.2 5.065 90 .7 2.865 0.005 4.070 18.1 5.113 92 .2 2 .92 9 0.020 4.126 21.5 5.161 93 .7 2 .99 2 0.052 4.182 25.2 5.2 09 94.8 3.056 0.105 4.237 29. 3 5.256 95 .8 3.1 19 0....

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... York, 198 7. 3. Biesenberger, J. A., and D. H. Sebastian, Principles of Polymerization Engineering, Wiley, New York, 198 3. 4. Kumar, A., and S. K. Gupta, Fundamentals of Polymer Science and Engineering, ... 3.1. As a matter of fact, one of the practical methods of achieving a PDI of more than 2 is to partially recycle a portion of the product stream, as shown in Figure 3...

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... change if a monomer of molecular weight 100 were dissolved in place of the polymer? Solution: (a) n 1 ¼ 9= 78 ¼ 0:115; n 2 ¼ 2:5 Â10 À5 ; f 1 ¼ 9= 0 :9 =½ 9= 0 :9 þ1¼ 0 :90 9; f 2 ¼ 0: 091 . Therefore, DS ... the 1 g of polymer of Example 9. 1 is diss olved in 9 g of a different polymer of molecular weight 80,000, what would be the entropy change on mixing? Assume that...

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... Related Properties of Polystyrene: I. Influence of Molecular Weight, J. Appl. Phys., 21, 581– 591 , 195 0. 19. Bueche, F., Physical Properties of Polymers, Krieger, Huntington, NY, 197 9. 20. Brandrup, ... Polym. Eng. Sci., 19, 1140–1150, 197 9. 14. Samuels, R. J., Structured Polymer Properties, Chemtech, 1 69 177, March 197 4. 15. Struik, L. C. E., Physical Aging of Amorphous Pol...

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... 31, 2 493 – 2 498 , 199 3. 94 . Arnould, D., and R. L. Laurence, Size Effects on Solvent Diffusion in Polymers, Ind. Eng. Chem. Res., 31, 218–228, 199 2. PROBLEMS 13.1. Ten grams of polystyrene of 300,000 ... Kinetics of Gases in Glassy Polymers, J. Polym. Sci. Polym. Phys., 27, 12 09 1220, 198 9. 69. Alfrey, T., E. F. Gurnee, and W. G. Lloyd, Diffusion in Glassy Polymers, J. Polym. S...

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... in polymer rheology, Adv. Polym. Sci., vol. 16, 1–1 79, 197 4. Copyright 197 4 Springer-Verlag GmbH & Co, kG. Flow Behavior of Polymeric Fluids 601 Copyright © 2003 Marcel Dekker, Inc. Forallofthensegmentstakentogether, FÁv¼ P N 1 zðor i Þ 2 ¼nzo 2 hr 2 i ið14:8:4Þ wherehr 2 i iisthetwo-dimensionalanalogoftheradiusofgyrationhs 2 i encounteredearlier.Itcanbeshownthathr 2 i iequals 2 3...

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... Inc. 6.4RecyclingandDegradationofPolymers285 6.5Conclusion287 Appendix6.1:SolutionofEquationsDescribing IsothermalRadicalPolymerization287 References 293 Problems 294 7.EmulsionPolymerization 299 7.1Introduction 299 7.2AqueousEmulsifierSolutions300 7.3SmithandEwartTheoryforStateIIofEmulsion Polymerization304 7.4EstimationoftheTotalNumberofParticles,N t 313 7.5MonomerConcentrationinPolymerP...

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... molecular structure of the graft copolymer and the number of grafts formed. In addition, the length of the graft may vary, and the graft copolymer often carries a fair amount of homopolymer. The ‘‘graft-onto’’ ... classification of polymers is based on molecular structure. According to this system, the polymer could be one of the following: 1. Linear-chain polymer 2. Branched-c...

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... London, 198 2. 2. Rosen, S. L., Fundamental Principles of Polymeric Materials, Wiley–Interscience, New York, 198 2. 3. Kumar, A., and S. K. Gupta, Fundamentals of Polymer Science and Engineering, ... 29, 127– 133, 198 9. 7. Al-Malaika, S., Effects of Antioxidants and Stabilizers, in Comprehensive Polymer Science, G. Allen and J. C. Bevington (eds.), Pergamon, London, 198 9, Vol....

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... application of a vacuum in order to obtain a polymer Reaction Engineering of Step-Growth Polymerization 1 69 Copyright © 2003 Marcel Dekker, Inc. The total pressure P T is then the sum of partial ... Because the desired degree of polymerization is about 100 for PET, the conversion of over 99 % of the functional group must be attained. Under such conditions, the viscosity of...

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