EMA6165_lect8 - '3 Anthony B. Brennan Research Group -...

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Unformatted text preview: '3 Anthony B. Brennan Research Group - Mozilla Firefox Elle Edit flew go fiookmarks Idols flelp <3] ' C} ' g @ |l_l http:flbrennan.rnse.ufl.edulema6165_new.html h \ l n R UNIVERSITY or: Brennan Research Group " -.. .S-:“._Engmecnng FLORIDA use A}: - 'le ' - Ni? hl—Iflfl “u...— e o ‘4 Members Group News and Events ONRResearc“ EMA 6165: Polymer Phyiscal Science NEWSRELE‘SE’ h l‘ R l’ h Discovery Channel Courses Shark Lectures 15, 16, .1 7 3: Cr'ass Notes . — .|\-'orr—Toxric Gator Department Lmks Sharkote Stop Algae UF Sites Class Material Prevrous Class Notes Spores! \ V ‘ Exams _ _“ Click here for other news collaborators “WW 2003’ Wmmm l Class Notes vi releases on the Gator H Spriqu 2007 Schedule — Sharkote °me DISCUSSION FORUM Click Here for Photos of Proposal Gator Engineered Exam References 5 horkote S u rfoces l Lecture 17 v SOIUtIons Tlrellnnl Properties contact U5 Exam 1 Key alumnus at: r'ennar'r @n‘rse mired u UPDATED Template on ExamZKey 1i12105 Link: College of Engrr'reer'rng rZJLrtr‘ea-tl‘s Engrr‘reerrr'rg UPDATED Links on 12 13 04. TEXT BOOK REQUIRED: Introduction to Physical Polymer Science; Third Edition - L. H. Sperling, ISBN 0-471-32921-5 I I Anyone who are unable to View the Microsoft PowerPoint lecture notes should contact abrennanfélmse.utLedu for assistance. Group Resources "- ; \._r-‘l-.--.. x rre- +5- FLORIDA . ‘ " Academic '51:; 'Technology ‘-. ‘-. 'E-oda ‘E-l' c- I»: _ _ LIF Lrt-rarre: ' ' I p; ELMEL berth-rare Cent-2r a Fi'rd: '. 9’13“: _'.: "."'. DMatchcase Done 1’: start f." '3 (EU ' )Anrhangr-B. Eirerrnan.,. LecturelS—l Lecturelo Lecturel? 0 l]; 3:39 AM Polymer Solubility fl LxH‘K‘, \& .._ ‘I \ I II It Entropy of Mixing Engineemg Statistical Approach - Lattice ASH?” = k [719 2 1 identical molecules N # of lattice sites identical in size EMA 6165 Polymer Polymer Solubility fl LxH‘K‘, \& .._ ‘I \ I II It Entropy of Mixing Eneneemwg - Now, one can use this to define the free Energy of Mixing for an Athermal Process: AG. 2 RTZnilI/mi mzx Restrictions: a. Solvent - Solute b. Solvent - Solvent lnteractiOhS are c. Solute - Solute egual EMA 6165 Polymer Physics —AB Brennan 5 (170a al-EULYD/fi'6 > )S‘D/o Two Small Oligomers (Chains) Bethe Lattice g--lI----- .(_,uE------- _5------- Ill-flmfl-I -L=E'-I-E-- --E-I-E- l --l-I-II--- - .- L .3 ("l-- 7 EMA 6165 Polymer Physics — AB Brennan Polymer Solubility I.- \\-.1‘\ fi‘:fl:\‘ka A. x I ll It Entropy of Mixing Engmmg Every other has N — x (I) N Thus a coordination # defines where the next segment (i + is with respect to EMA 6165 Polymer Physics — AB Brennan 10 — Polymer Solubility I.- \\-.1‘\ fi‘:fl:\‘k .'. l II M Entropy of Mixing Engineemg These conditions simulate concentrated solutions, However, we assume very dilute for ideality. Another restriction. Sum all sites to get: EMA 6165 Polymer Physics — AB Brennan 11 Polymer Solubility Enthalpy of Mixing Wm X; mole fraction 1 of segments Olsejrejdecflp 1 EMA 6165 Polymer Physics — AB Brennan b 9 Mar ...
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This note was uploaded on 07/20/2011 for the course EMA 6165 taught by Professor Brennan during the Spring '08 term at University of Florida.

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EMA6165_lect8 - '3 Anthony B. Brennan Research Group -...

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