Fundamentals of Polymer Engineering Part 5 ppsx
Fundamentals of Polymer Engineering Part 5 ppsx
... w 0 ) of condensation product before the mixture is charged to the Reaction Engineering of Step-Growth Polymerization 161 Copyright © 2003 Marcel Dekker, Inc. 4 ReactionEngineeringof Step-GrowthPolymerization 4.1INTRODUCTION[1,2] Vesselsinwhichpolymerizationiscarriedoutarecalledreactors;theyare classifiedaccordingtoflowconditionsexistinginthem.Batchreactors(schema- ticallyshowninFig.4.1a)...
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Fundamentals of Polymer Engineering Part 3 ppsx
... Diffusion of reactants to the active sites of the resin 3. Adsorption of reactants to the active sites of the resin 4. Chemical reaction at the active sites of the resin 5. Desorption of the products Chemical ... prepared polymer, followed by second-stage polymerization 3. Immobilization of chelating organic reagents onto polymer 4. Polymerization of a nonfunctional monom...
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Fundamentals of Polymer Engineering Part 1 pdf
... Inc. 12.MechanicalProperties487 12.1Introduction487 12.2Stress-StrainBehavior488 12.3TheGlassTransitionTemperature497 12.4DynamicMechanicalExperiments501 12.5Time-TemperatureSuperposition504 12.6PolymerFracture508 12.7CrazingandShearYielding511 12.8FatigueFailure516 12.9ImprovingMechanicalProperties518 References520 Problems523 13.PolymerDiffusion526 13.1Introduction526 13.2FundamentalsofMass...
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Fundamentals of Polymer Engineering Part 2 pdf
... 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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Fundamentals of Polymer Engineering Part 4 docx
... Sci., 34, 57 1 58 5, 1987. 16. Khanna, A., Simulation, Modelling and Experimental Validation of Reversible Polymerization, Ph.D. thesis, Department of Chemical Engineering, Indian Institute of Technology, ... Principles of Polymerization Engineering, Wiley, New York, 1983. 4. Kumar, A., and S. K. Gupta, Fundamentals of Polymer Science and Engineering, Tata McGraw-Hill, New...
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Fundamentals of Polymer Engineering Part 8 pot
... Inc. Thetotalnumberofparticlesgeneratedbythetimet 1 cannowbefoundby integratingEq.(7.4 .5) asfollows: Nðt¼t 1 Þ¼N t ¼0 :53 ½S 0 a e r 3 =5 m À2 =5 r ¼0 :53 ½S 0 a 3 =5 e r m 2 =5 ð7:4:9Þ 7.5MONOMERCONCENTRATIONINPOLYMER PARTICLES,[M] AsshowninFigure7 .5, theconcentration[M]ofthemonomerinthepolymer particlesremainsalmostconstantwithtimebecauseofdiffusionfromthe monomerdroplets.The...
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Fundamentals of Polymer Engineering Part 9 doc
... 38 .5 5.349 97.3 3.243 0.4 75 4.440 43.4 5. 3 95 97.9 3.3 05 0.706 4. 454 48 .5 5.440 98.4 3.366 0.999 4 .50 7 53 .5 5.4 85 98.7 3.427 1.38 4 .56 0 58 .3 5. 530 99.1 3.488 1.88 4.612 62.9 5. 574 99.3 3 .54 8 2 .51 ... 0.0 4.014 15. 2 5. 0 65 90.7 2.8 65 0.0 05 4.070 18.1 5. 113 92.2 2.929 0.020 4.126 21 .5 5.161 93.7 2.992 0. 052 4.182 25. 2 5. 209 94.8 3. 056 0.1 05 4.237...
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Fundamentals of Polymer Engineering Part 10 docx
... value of De or, equivalently, of the interaction parameter is needed to assure polymer polymer miscibility. Example 9.4: If the 1 g of polymer of Example 9.1 is diss olved in 9 g of a different polymer ... and composed of a series of segments the size of a solvent molecule. The number of segments in each polymer molecule is m, which equals V 2 =V 1 ,the ratio of th...
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Fundamentals of Polymer Engineering Part 11 ppt
... here [24] quantitatively consistent with the theory of rubber elasticity? Temperature ( C) Length (mm) 20 163.0 35 158 .5 45 155 .5 48 154 .0 57 151 .0 61 149.0 10.13. Determine the Finger tensor ... Inc. NeglectingtheverylastterminEq.(10.2.7), pðmÞ¼ 2 np 1=2 e Àm 2 =2n ð10:2:8Þ whichisknownasaGaussianorNormaldistribution.Notethatforallofthese relationstobevalid,nhastobelargeandm...
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Fundamentals of Polymer Engineering Part 12 pptx
... densities of the liquids making up the column, the sample density is r ¼ 0:864 þ 0:7ð1 :59 4 À 0:864Þ¼1:3 75 g=cm 3 and using Eq. (11.9.4) gives X ¼ 1 Àð1:3 35= 1:3 75 1 Àð1:3 35= 1: 455 Þ ¼ 0: 353 Thus, ... 16, 53 5 55 5, 1972. 40. Smith, F. S., and R. D. Steward, The Crystallization of Oriented Poly(ethylene terephthalate), Polymer, 15, 283–286, 1974. 41. Heuvel, H. M., and R. Huis...
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