Research Article

Preparation and Characterization of Liquid Crystalline Polyurethane/Al2O3/Epoxy Resin Composites for Electronic Packaging

Table 3

Electrical performance of the composites.

Sample (wt%) (Ω cm) ( ) (×10−2)CTE (×10−5 K−1)

(a) EP/LCPU/Al2O3 = 100/0/03.63 × 10144.726.656.675
(b) EP/LCPU/Al2O3 = 100/0/601.71 × 10165.156.385.640
(c) EP/LCPU/Al2O3 = 100/5/02.29 × 10165.285.586.203
(d) EP/LCPU/Al2O3 = 100/5/502.35 × 10166.215.556.153
(e) EP/LCPU/Al2O3 = 100/5/602.39 × 10167.983.884.683
(f) EP/LCPU/Al2O3 = 100/5/703.63 × 10167.804.934.601