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

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418 Apéndice C<br />

Tabla C.6. 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-PE.<br />

Parámetros cinéticos Valores optimizados<br />

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

EVA-PE kr # 3.48·10 -12<br />

4.34·10 -18<br />

1.08·10 -24<br />

Ea/R (K) 23225 33000 40865<br />

n 0.94 0.70 1.01<br />

Fracciónes (α, 1-α) 0.95 0.05<br />

EP(5) sn 0.845<br />

EP(10) sn 0.865<br />

EP(15) sn 0.880<br />

EP(5) EP(10) EP(15)<br />

F.O. TGA (1677 Ptos.) 0.06 0.22 0.33<br />

CV (%) TGA 0.02 0.03 0.04<br />

F.O. DTGA (1677 Ptos.) 0.04 0.06 0.08<br />

CV (%) DTGA 0.72 0.90 1.05<br />

Valores calculados<br />

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

EVA-PE Tp (K) 642 678 749<br />

kr a Tp # 0.74 0.83 0.83<br />

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

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