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Differential Scanning Calorimetry (DSC)

Differential Scanning Calorimetry (DSC)

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Heat Flow (W/g)<br />

<strong>DSC</strong>: Effect of Hydrogen Bonding<br />

on Melting<br />

Polyamide T m H Bonding<br />

Nylon 12,2 236 Least<br />

Nylon 10,2 242<br />

Nylon 8,2 279<br />

Nylon 6,2 326 Most<br />

Nylon x,y where:<br />

x = carbons in diamine section<br />

y = carbons in diacid section<br />

<strong>DSC</strong>: Effect of Annealing<br />

Poly(ethyletherketone) (PEEK) on Melting<br />

0.0<br />

-0.1<br />

-0.2<br />

PEEK<br />

303.61°C<br />

PEEK annealed<br />

@ 300°C<br />

-0.3<br />

260 280 300 320 340 360 380

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