04.05.2013 Views

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

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

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

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

440 Apéndice D<br />

D.9 – Desarrollo <strong>de</strong>l mo<strong>de</strong>lo cinético aplicado a la <strong>de</strong>scomposición térmica<br />

(TGA) <strong>de</strong> las mezclas ternarias EVA-PE-RET.<br />

k<br />

EVA ⎯<br />

* k<br />

EVA ⎯<br />

k<br />

EVA(<br />

i)<br />

⎯<br />

kRet<br />

Ret ⎯ ⎯⎯ →s<br />

dw<br />

dw<br />

Total<br />

EVA−PE−Ret<br />

dt<br />

Total<br />

EVA−PE−Ret<br />

dt<br />

D1,<br />

EVA ⎯⎯ ⎯ →<br />

D2,<br />

EVA ⎯⎯ ⎯ →<br />

D,<br />

EVA(<br />

i)<br />

⎯⎯⎯→ Ret<br />

D1,<br />

EVA<br />

⋅ S<br />

D2,<br />

EVA<br />

(D1,EVA))<br />

(D2,EVA)<br />

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

(D,Ret)<br />

(D.9.1)<br />

(D.9.2)<br />

don<strong>de</strong> φ, η y (1-φ-η) son las fracciones presentes en la mezcla <strong>de</strong> EVA, PE y<br />

reticulante, respectivamente, y don<strong>de</strong> y vienen dados por las<br />

dt dt<br />

ecuaciones D.7.2 y D.2.1, respectivamente.<br />

s<br />

dw<br />

=<br />

dt<br />

s<br />

s<br />

Ret<br />

Total<br />

EVA<br />

⋅ EVA<br />

⋅ S<br />

D,<br />

EVA(<br />

i)<br />

*<br />

EVA<br />

⋅ S<br />

+ ( 1 − s<br />

⎧⎡⎛<br />

dwEVA<br />

⎞<br />

⎪⎢⎜<br />

⎟<br />

⎪⎢⎝<br />

dt ⎠ D<br />

⎪⎢<br />

dw *<br />

⎪<br />

⎪⎢⎛<br />

⎞<br />

EVA<br />

= ⎨⎢<br />

⎜ ⎟<br />

⎜ dt ⎟<br />

⎪⎢⎣<br />

⎝ ⎠ D<br />

⎪<br />

⎪<br />

⎡⎛<br />

dwEVA(<br />

i ) ⎞<br />

⎪+<br />

⎢⎜<br />

⎟<br />

⎪ ⎢⎜<br />

dt ⎟<br />

⎩ ⎣⎝<br />

⎠<br />

Total<br />

dwPE<br />

dwRet<br />

+ ⋅η<br />

+<br />

dt dt<br />

+<br />

EVA(<br />

i)<br />

Ret<br />

+<br />

( 1 − s<br />

( 1 − s<br />

) ⋅ G<br />

+<br />

Ret<br />

D1,<br />

EVA<br />

D2,<br />

EVA<br />

( 1 − s<br />

) ⋅ G<br />

) ⋅ G<br />

D,<br />

EVA(<br />

i)<br />

D1,<br />

EVA<br />

D2,<br />

EVA<br />

) ⋅ G<br />

D,<br />

EVA(<br />

i)<br />

Total<br />

Total<br />

dwPE<br />

dwRet<br />

⋅φ<br />

+ ⋅η<br />

+ ⋅ ( 1 − φ −η)<br />

dt dt<br />

1,<br />

EVA<br />

2,<br />

EVA<br />

Total<br />

⎛ dw<br />

+ ⎜<br />

⎝ dt<br />

⎛ dS<br />

+ ⎜<br />

⎝ dt<br />

D,<br />

EVA(<br />

i )<br />

*<br />

EVA<br />

EVA<br />

⎛ dS<br />

+ ⎜<br />

⎝ dt<br />

⋅(<br />

1 − φ −η<br />

)<br />

dw Total<br />

PE<br />

⎞<br />

⎟<br />

⎠<br />

⎞<br />

⎟<br />

⎠<br />

D1,<br />

EVA<br />

D2,<br />

EVA<br />

EVA(<br />

i )<br />

⎞<br />

⎟<br />

⎠<br />

⎤<br />

+ ⎥<br />

⎥<br />

⎥ ⋅<br />

⎥<br />

⎥<br />

⎥⎦<br />

( 1 −α<br />

)<br />

D,<br />

EVA(<br />

i )<br />

dw Total<br />

Ret<br />

⎫<br />

⎪<br />

⎪<br />

+ ⎪<br />

⎪<br />

⎬ ⋅φ<br />

+<br />

⎪<br />

⎪<br />

⎤<br />

⎪<br />

⎥ ⋅α<br />

⎪<br />

⎥<br />

⎦ ⎪⎭

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!