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EMA6165-lect-15 - -EI‘X WEE—m Links ” Shapes Arrange...

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Unformatted text preview: -EI‘X WEE—m Links ” Shapes Arrange Quick » Styles'a' ‘9' ' 6'[email protected] - e x .‘ ,‘ L..\l\'I:l\"-..ll‘1'i')i- Ql El I',nbiikfl'1‘1ig FLORIDA Group News and Events NEWS RELEASE: EMA 6165 - Polymer Physics 9333mm? the 14th International Rubber Elasticity grewsenme‘ssm- Kobe, Japan, July 2008 Lecture 8 Sharklel‘ Technologies, LLC is launched - October 2007. Click here for other news releases on the Gator Sharkote Dr. Anthony Brennan _ _ . "New 0* Florida amnimw harkote Surfaces Department of Materials Science a. 5 Engineering Contact Us abrennanOmse.ufl.edu 9e University Press, ISBN number: ISBN EHAB165 POW! Phys!“ -AB Brennan Fl LIQ Rnfl'wnrn Cpniflr i i | l | JBJOM In - '-.-i«‘rru:|.:u.ws lni'.‘ .. Anthem;- EL Brennan / Illlyall Ingenui- lykflllll """iII ‘Il-—‘. fl -2/ 0 so :00 ISO zoo 250 zoo 350 400 x / a f ELONGATION. % FIG. 86.—-The force of retraction j and its components (BE/6L)r,p (curve A) and —- T(aS/6L)r.p (curve B). as obtained from force-temperature curves at fixed length such as are shown in Fig. 85, plotted against the per- cent elongation at 20°C. (Anthony, Gaston, and Guth.“) EMA 6165 Polymer Physics - AB Brennan 10 \ mama Hence, one can measure ‘°°°° l.- the internal energy of :: l:- the polymer through m I I equilibrium stress .2000 . Mill measurements. W * lavfl . A \\ .L E E=§ i! ‘ Guth.“) EMA 61 65 Polymer Physics - AB Brennan 10 FIG. 86.—-The force of retraction f and its components (BE/6L)r,p (curve A) and —- TBS/614%..» (curve B), as C —- é, obtained from force-temperature curves at fixed length . such as are shown in Fig. 85, plotted against. the per- ) 9 cent elongation at. 20°C. (Anthony, Gaston, and Hence, one can measure the internal energy of the polymer through equilibrium stress measurements. FORCE. g./cm.' Cow M J “Mr-“‘5‘” I Ell-Ill! ifli’zriM pkjfiirafl ,jie-I—EEI-Il M cw» - Woo 3mm 93 ELONGATION. 1, -. E FIG. 86 .—-The force of retraction f and its components 314% , . (aE/aL), , (curve A) and— —T(aS/6L)r , (curve B). as M “M L m obtained from force- -temperature curves at fixed length adv J such as are shown In Fig. 85, plotted against. the per- cent elongation at. 20 °.C (Anthony, Gaston, and gn—l-rs {a Gullah.1 ) EMA 61 65 Polymer Physics - AB Brennan 10 Hence, one can measure ‘°°°° the internal energy of the polymer through equilibrium stress measurements. I U r - 9'- I r 3 EIIHI Vi ,- II i. a; 'HHIIIii R FORCE 9/ch . a 6 _ § § I lglllmfl IKE-E3! fiEEEIIII SOMOOSOZOOZSOSOO3SOOO ELONGATION, ‘X, FIG. 86 .—-The force of retraction f and its components (BE/cm):- p (curve A) and— —T(aS/6L)r p (curve B), as obtained from force- -temperature curves at fixed length such as are shown In Fig. 85, plotted against the per- cent elongation at 20 ".0 (Anthony, Gaston, and Guth.“) EMA 61 65 Polymer Physics - AB Brennan 10 ...
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