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

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420 Apéndice C<br />

Tabla C.8. Parámetros cinéticos <strong>de</strong>l ajuste simultáneo <strong>de</strong> los datos<br />

experimentales <strong>de</strong> curvas TGA y DTGA <strong>de</strong> mezclas EVA-ESP.<br />

Parámetros cinéticos Valores optimizados<br />

D1,EVA D,EVA(i) D2,EVA<br />

EVA kr # 2.38·10 -14<br />

5.32·10 -19<br />

8.41·10 -25<br />

Ea/R (K) 28000 35000 40865<br />

n 1.10 0.80 1.00<br />

sr 0.86 0 0<br />

Fracciónes (α, 1-α) 0.94 0.06 -<br />

Espumante kr # 1.19·10 -3<br />

Ea/R (K) 8006<br />

n 0.80<br />

ES(1) ES(2) ES(4)<br />

sr 0.40 0.35 0.25<br />

F.O. TGA (1677 Ptos.) 0.03 0.05 0.02<br />

CV (%) TGA 0.01 0.02 0.01<br />

F.O. DTGA (1677 Ptos.) 0.01 0.02 0.01<br />

CV (%) DTGA 0.37 0.48 0.33<br />

Valores calculados<br />

D1,EVA D,EVA(i) D2,EVA<br />

EVA Tp (K) 639 677 749<br />

ADC *<br />

kr a Tp # 0.88 1.06 0.64<br />

Tp (K) 507<br />

kr a Tp # 0.34<br />

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

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