On Processing and Impact Deformation Behavior of High Density Polyethylene (HDPE)–Calcium Carbonate Nanocomposites

Macromolecular Materials and Engineering - Tập 294 Số 2 - Trang 141-151 - 2009
Qiang Yuan1, J.S. Shah1,2, Kennith J. Bertrand3, R.D.K. Misra1,2
1Center for Structural and Functional Materials, University of Louisiana at Lafayette, P.O. Box 44130, Lafayette, LA 70504-4130, USA
2Department of Chemical Engineering, University of Louisiana at Lafayette, P.O. Box 44130, Lafayette, LA 70504-4130, USA
3Westlake Chemical Corporation, 3525 Cities Service Highway 108, Sulphur, LA 70665, USA

Tóm tắt

AbstractDifferent processing approaches were adopted to obtain the best combination of strength and toughness. The approach that yielded superior properties was examined in detail to study the mechanical response of nanoscale calcium carbonate‐reinforced high density polyethylene in conjunction with unreinforced high density polyethylene. The reinforcement of high density polyethylene with nanoscale calcium carbonate increases impact strength and is not accompanied by decrease in yield strength. The addition of nanoscale calcium carbonate to high density polyethylene alters the micromechanism of deformation from crazing‐tearing in high density polyethylene to fibrillation in high density polyethylene–calcium carbonate nanocomposite.magnified image

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Thông tin xuất bản

Macromolecular Materials and Engineering

Tập 294 Số 2

141-151

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