J. Mater. Sci. Technol. ›› 2018, Vol. 34 ›› Issue (12): 2407-2414.DOI: 10.1016/j.jmst.2018.04.003
• Orginal Article • Previous Articles Next Articles
Received:
2017-11-04
Revised:
2017-12-27
Accepted:
2018-01-26
Online:
2018-12-20
Published:
2018-11-15
Contact:
Xu Shiai
Jiaming Fan, Shiai Xu. Thermal conductivity and mechanical properties of high density polyethylene composites filled with silicon carbide whiskers modified by cross-linked poly (vinyl alcohol)[J]. J. Mater. Sci. Technol., 2018, 34(12): 2407-2414.
Sample | SCW | mSCW | ||
---|---|---|---|---|
Weight (wt%) | Atom (at.%) | Weight (wt%) | Atom (at.%) | |
Si | 71.7 | 52.3 | 56.4 | 36.4 |
C | 21.2 | 46.4 | 39.5 | 60.1 |
O | 1.1 | 1.4 | 4.1 | 4.0 |
Table 1 EDS results of SCW and mSCW.
Sample | SCW | mSCW | ||
---|---|---|---|---|
Weight (wt%) | Atom (at.%) | Weight (wt%) | Atom (at.%) | |
Si | 71.7 | 52.3 | 56.4 | 36.4 |
C | 21.2 | 46.4 | 39.5 | 60.1 |
O | 1.1 | 1.4 | 4.1 | 4.0 |
Fig. 9. Morphologies of the composites with different contents of SCW loadings:(A1) HDPE/SCW (10?wt%); (B1) HDPE/SCW (20?wt%); (C1) HDPE/SCW (30?wt%); (D1) HDPE/SCW (40?wt%); (A2) HDPE/mSCW (10?wt%); (B2) HDPE/mSCW (20?wt%); (C2) HDPE/mSCW (30?wt%); and (D2) HDPE/mSCW (40?wt%).
Samples | T5 (°C) | T50 (°C) | Trpd (°C) | Tonset (°C) | Residual yield (wt%) |
---|---|---|---|---|---|
HDPE | 437 | 473 | 475 | 405 | 0.16 |
HDPE/SCW (10?wt%) | 447 | 476 | 476 | 407 | 10.36 |
HDPE/SCW (20?wt%) | 445 | 477 | 476 | 409 | 19.02 |
HDPE/SCW (30?wt%) | 447 | 481 | 478 | 411 | 29.87 |
HDPE/SCW (40?wt%) | 450 | 485 | 479 | 412 | 39.50 |
HDPE/mSCW (10?wt%) | 445 | 475 | 473 | 406 | 9.89 |
HDPE/mSCW (20?wt%) | 446 | 477 | 477 | 408 | 19.95 |
HDPE/mSCW (30?wt%) | 446 | 480 | 480 | 411 | 28.95 |
HDPE/mSCW (40?wt%) | 448 | 484 | 479 | 414 | 39.47 |
Table 2 Degradation temperatures of HDPE and its composites from the TGA curves.
Samples | T5 (°C) | T50 (°C) | Trpd (°C) | Tonset (°C) | Residual yield (wt%) |
---|---|---|---|---|---|
HDPE | 437 | 473 | 475 | 405 | 0.16 |
HDPE/SCW (10?wt%) | 447 | 476 | 476 | 407 | 10.36 |
HDPE/SCW (20?wt%) | 445 | 477 | 476 | 409 | 19.02 |
HDPE/SCW (30?wt%) | 447 | 481 | 478 | 411 | 29.87 |
HDPE/SCW (40?wt%) | 450 | 485 | 479 | 412 | 39.50 |
HDPE/mSCW (10?wt%) | 445 | 475 | 473 | 406 | 9.89 |
HDPE/mSCW (20?wt%) | 446 | 477 | 477 | 408 | 19.95 |
HDPE/mSCW (30?wt%) | 446 | 480 | 480 | 411 | 28.95 |
HDPE/mSCW (40?wt%) | 448 | 484 | 479 | 414 | 39.47 |
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