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

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426 Apéndice C<br />

Tabla C.14. 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 <strong>de</strong> cinco<br />

componentes: Variación <strong>de</strong> reticulante.<br />

Parámetros cinéticos Valores optimizados<br />

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

C4 #<br />

C2 #<br />

C5 #<br />

RET-ADC *<br />

kr & 7.02·10 -13<br />

4.74·10 -19<br />

3.50·10 -26<br />

Ea/R (K) 25000 35331 43500<br />

n 1.40 0.91 1.00<br />

sn 0.845 0 0.01<br />

kr & 5.07·10 -13<br />

3.47·10 -19<br />

2.47·10 -26<br />

Ea/R (K) 25000 35331 43500<br />

n 1.40 0.91 1.00<br />

sn 0.850 0 0.01<br />

kr & 3.21·10 -13<br />

2.25·10 -19<br />

1.61·10 -26<br />

Ea/R (K) 25000 35331 43500<br />

n 1.40 0.91 1.00<br />

sn 0.855 0 0.01<br />

Fracciónes (α, 1-α) 0.94 0.06 -<br />

RET ADC<br />

kr & 2.27·10 -3<br />

2.27·10 -3<br />

Ea/R (K) 10000 10000<br />

n 0.80 0.80<br />

sn 0.40 0.40<br />

C4 C2 C5<br />

F.O. TGA (1677 Ptos.) 0.08 0.10 0.07<br />

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

F.O. DTGA (1677 Ptos.) 0.03 0.03 0.03<br />

CV (%) DTGA 0.59 0.59 0.62<br />

Valores calculados<br />

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

C4 Tp (K) 642 674 748<br />

kr a Tp # 1.10 1.11 0.88<br />

C2 Tp (K) 650 679 753<br />

kr a Tp # 1.28 1.20 0.89<br />

C5 Tp (K) 657 681 760<br />

kr a Tp # 1.34 1.02 0.99<br />

RET-ADC * Tp (K) 460<br />

kr a Tp # 0.36<br />

#<br />

C4: EP(10)R(0.75)S(2)Z(1.5)<br />

C2: EP(10)R(1.5)S(2)Z(1.5)<br />

C5: EP(10)R(3)S(2)Z(1.5)<br />

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

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