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Sempere Alemany, Francisco Javier.pdf - RUA - Universidad de ...

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Apéndice B 399<br />

Tabla B.10. Parámetros cinéticos obtenidos a partir <strong>de</strong>l ajuste simultáneo <strong>de</strong> los<br />

datos experimentales <strong>de</strong> cuatro curvas <strong>de</strong> DSC <strong>de</strong> mezclas binarias PE-RET.<br />

Parámetros cinéticos Valores optimizados<br />

PE ∆HF,PE (J/g) 30.24<br />

k’r, F,PE # 7.93·10 -4<br />

Ea, F,PE/R (K) 60314<br />

nF,PE 0.92<br />

Reticulante ∆HRet (J/g) 380<br />

k’r,Ret # 1.50·10 -6<br />

Ea,Ret/R (K) 20000<br />

nRet 0.86<br />

CpS aS (J/g·K 3 ) 7.28·10 -4<br />

0.75 phr RET 1.5 phr RET 3 phr RET<br />

7.30·10 -4<br />

7.31·10 -4<br />

bS (J/g·K 2 ) -0.47 -0.47 -0.47<br />

cS (J/g·K) 76.70 76.49 76.44<br />

CpF aF (J/g·K 3 ) 6.44·10 -8<br />

bF (J/g·K 2 ) 1.71·10 -2<br />

9.99·10 -7<br />

1.71·10 -2<br />

1.65·10 -6<br />

1.70·10 -2<br />

cF (J/g·K) -7.02 -7.03 -7.04<br />

F.O. (1200 Ptos.) 20.25 7.93 16.11<br />

CV (%) 0.50 0.27 0.38<br />

Valores calculados<br />

PE Tp (K) 387<br />

k’r a Tp # 0.27<br />

Reticulante Tp (K) 471<br />

# Las unida<strong>de</strong>s <strong>de</strong> k’r son K -1 ⋅ (fracción másica) 1-n<br />

k’r a Tp # 0.10

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