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

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(A)<br />

(B)<br />

(C)<br />

(D)<br />

(E)<br />

42 Introducción<br />

O<br />

OC CO<br />

OC CO + HO<br />

O<br />

+<br />

HO OH<br />

O O<br />

OH<br />

O<br />

OH<br />

O<br />

( O<br />

) O<br />

n<br />

O<br />

O O<br />

O<br />

(n+2) Cl + (n+1) HO OH<br />

(n+2) HCl +<br />

O<br />

OH<br />

( O<br />

O O<br />

) n<br />

R R<br />

n HO OH + n ONC CNO<br />

Cl<br />

Si Cl<br />

H 2O<br />

- HCl<br />

Figura 1.21. Reacciones <strong>de</strong> entrecruzamiento; (A) Poliésteres; (B) Poliesteres<br />

insaturados; (C) Resinas epoxi; (D) Poliuretanos; (E) Siliconas.<br />

O<br />

O O<br />

O<br />

O<br />

O<br />

HO<br />

R<br />

O NH<br />

R'<br />

NH O<br />

R<br />

O NH<br />

R'<br />

CNO<br />

( ) (n-1)<br />

Cl Si OH + HO Si OH<br />

-H2O<br />

- HCl [ Si O ] n

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