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Tab<strong>la</strong> 3.1: Propieda<strong>de</strong>s físicas <strong>de</strong> los disolventes: coeficientes <strong>de</strong> Antoine A,B,C~,<br />

<strong>de</strong>nsidad, p28 y coeficiente <strong>de</strong> expansión cúbica, a28.<br />

DISOLVENTE A B C p(g/cm’) a(K)<br />

T=2?C<br />

Acetona 16,6513 2985,07 -52,16 0,78440 0,00143<br />

2-Butanona 16,5984 3150,42 -36,65 0,7997 0,00119<br />

3-Pentanona 16,8138 3410,51 -40,19 0,80945 0,00124<br />

Propanol 17,5439 3166,38 -80,15 0,79960 0,001004<br />

Isopropanol 18,6929 3640,20 -53,54 0,78126 0,001064<br />

Isobutanol 16,8712 2874,73 -100,3 0,7978 0,00095<br />

Acetato <strong>de</strong> etilo 16,1516 2790,50 -57.13 0,89455 0,00139<br />

Acetato <strong>de</strong> propilo 16,2291 2980,47 -64,15 0,88303 0,00131<br />

Acetato <strong>de</strong> butilo 16,1836 3151,09 -69,15 0,87636 0,00117<br />

Tetrahidrofurano 16,1069 2768,38 -44,90 0,8892 0,001138<br />

Dioxano 16,1327 2946,83 -62,13 1,02797 0,001115<br />

Tolueno 16,0137 3096,52 -53,67 0,86219 0,001067<br />

Clorobenceno 16,0676 3293,12 -55,60 1,1009 0,000990<br />

Tab<strong>la</strong> 3.2: Propieda<strong>de</strong>s físicas <strong>de</strong> los pollmeros:43~ Masa molecu<strong>la</strong>r, Mn; temperatura <strong>de</strong><br />

transición vítrea, Tg; temperatura <strong>de</strong> fusión, ‘Fm; coeficiente <strong>de</strong> expansión<br />

cúbica, a y volumen específico,v.<br />

POLIMERO Mu Tg(C) TmCC> a(K) y (c¡n’/g) (250C)<br />

PCL 50.000 -62 63 6,50 10~ 0,925<br />

P4HS 1.500 130 - 8,95 i0~’ 0,862<br />

PVA 90.000 44 - 6,76 í04 0,840<br />

98

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