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

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424 Apéndice C<br />

Tabla C.12. Parámetros cinéticos <strong>de</strong>l ajuste simultáneo <strong>de</strong> los datos experimentales<br />

<strong>de</strong> curvas TGA y DTGA <strong>de</strong> mezclas EVA-PE-ESP: Variación <strong>de</strong> PE y espumante.<br />

Parámetros cinéticos Valores optimizados<br />

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

EP(5)S(2) kr # 2.38·10 -14<br />

4.43·10 -19<br />

4.12·10 -24<br />

Ea/R (K) 28000 35000 40000<br />

n 1.00 0.80 1.00<br />

EP(10)S(2) kr # 2.00·10 -14<br />

4.43·10 -19<br />

3.45·10 -24<br />

Ea/R (K) 28000 35000 40000<br />

n 1.00 0.80 1.00<br />

EP(15)S(2) kr # 1.75·10 -14<br />

4.43·10 -19<br />

2.94·10 -24<br />

Ea/R (K) 28000 35000 40000<br />

n 1.00 0.80 1.00<br />

EP(10)S(1) kr # 2.00·10 -14<br />

4.43·10 -19<br />

3.45·10 -24<br />

Ea/R (K) 28000 35000 40000<br />

n 1.00 0.80 1.00<br />

EP(10)S(4) kr # 2.00·10 -14<br />

4.43·10 -19<br />

3.45·10 -24<br />

Ea/R (K) 28000 35000 40000<br />

n 1.00 0.80 1.00<br />

sn 0.86 0 0.01<br />

Fracciónes (α, 1-α) 0.94 0.06 -<br />

Espumante kr # 9.54·10 -4<br />

Ea/R (K) 8006<br />

n 0.80<br />

sn 0.30<br />

EP(5)S(2) EP(10)S(2) EP(15)S(2)<br />

F.O. TGA (1679 Ptos.) 0.04 0.04 0.06<br />

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

F.O. DTGA (1679 Ptos.) 0.01 0.02 0.02<br />

CV (%) DTGA 0.39 0.48 0.42<br />

EP(10)S(1) EP(10)S(2) EP(10)S(4)<br />

F.O. TGA (1679 Ptos.) 0.04 0.04 0.01<br />

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

F.O. DTGA (1679 Ptos.) 0.01 0.02 0.01<br />

CV (%) DTGA 0.28 0.48 0.32<br />

Valores calculados<br />

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

EP(5)S(2) Tp (K) 639 677 749<br />

kr a Tp # 0.88 0.88 0.98<br />

EP(10)S(2) Tp (K) 640 677 750<br />

kr a Tp # 0.79 0.88 0.88<br />

EP(15)S(2) Tp (K) 641 677 751<br />

kr a Tp # 0.74 0.88 0.81<br />

EP(10)S(1) Tp (K) 640 677 750<br />

kr a Tp # 0.79 0.88 0.88<br />

EP(10)S(4) Tp (K) 640 677 750<br />

kr a Tp # 0.79 0.88 0.88<br />

ADC *<br />

Tp (K) 503<br />

kr a Tp # 0.24<br />

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

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