Enhancement of crack propagation resistance in epoxy resins by introducing poly(dimethylsiloxane) particles
作者： L. Rey , N. Poisson , A. Maazouz , H. Sautereau
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摘要: The physical and mechanical properties of polyepoxy DGEBA /DDA/Diuron networks toughened with Poly(dimethylsiloxane) particles have been studied. Blends realized two kinds dispersion tools: a high-speed stirrer twin-screw extruder. state quality is discussed using transmission spectroscopy image analysis. suspension in an epoxy prepolymer was used as toughening agent. Different particle quantities were introduced: 4, 8, 15% by weight. Static tests performed tension compression on these poly(dimethylsiloxane) modified materials. A slight decrease Young's modulus increase plastic deformation capacity noticed the volume fraction modifier increased. Using linear elastic fracture mechanics (LEFM), improvement (KIC, GIC) shown. Fatigue crack growth propagation studied for blends demonstrated that Paris law can be to describe behavior Increasing leads fatigue resistance. Finally wear rate friction coefficient has shown (in pin disk configuration). Toughening mechanisms are SEM surfaces.
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sci-hub.se 参考文章(17)
Rubber-toughened plastics American Chemical Society. ,(1989) , 10.1021/BA-1989-0222
Salim Yamini, Robert J. Young, The mechanical properties of epoxy resins Journal of Materials Science. ,vol. 15, pp. 1823- 1831 ,(1980) , 10.1007/BF00550603
V. Nelliappan, M.S. El-Aasser, A. Klein, E.S. Daniels, J.E. Roberts, R.A. Pearson, Effect of the core/shell latex particle interphase on the mechanical behavior of rubber‐toughened poly(methyl methacrylate) Journal of Applied Polymer Science. ,vol. 65, pp. 581- 593 ,(1997) , 10.1002/(SICI)1097-4628(19970718)65:3<581::AID-APP18>3.0.CO;2-#
J.G. Williams, M.J. Cawood, European group on fracture: Kc and Gc methods for polymers Polymer Testing. ,vol. 9, pp. 15- 26 ,(1990) , 10.1016/0142-9418(90)90045-F
D. Verchere, J. P. Pascault, H. Sautereau, S. M. Moschiar, C. C. Riccardi, R. J. J. Williams, Rubber‐modified epoxies. II. Influence of the cure schedule and rubber concentration on the generated morphology Journal of Applied Polymer Science. ,vol. 42, pp. 701- 716 ,(1991) , 10.1002/APP.1991.070420315
D. Dompas, G. Groeninckx, Toughening behaviour of rubber-modified thermoplastic polymers involving very small rubber particles: 1. A criterion for internal rubber cavitation Polymer. ,vol. 35, pp. 4743- 4749 ,(1994) , 10.1016/0032-3861(94)90727-7
L Becu, H Sautereau, A Maazouz, JF Gerard, M Pabon, C Pichot, Synthesis and structure–property relationships of acrylic core–shell particle-toughened epoxy networks Polymers for Advanced Technologies. ,vol. 6, pp. 316- 325 ,(1995) , 10.1002/PAT.1995.220060510
Jocelyne Galy, Abed Sabra, Jean-Pieirre Pascault, Characterization of epoxy thermosetting systems by differential scanning calorimetry Polymer Engineering and Science. ,vol. 26, pp. 1514- 1523 ,(1986) , 10.1002/PEN.760262108
M. R. Chitsaz-Zadeh, N. S. Eiss, The Wear of Polysiloxane-Modified Epoxies Tribology Transactions. ,vol. 33, pp. 499- 504 ,(1990) , 10.1080/10402009008981981
A. Maazouz, H. Sautereau, J. F. G�rard, Toughening of epoxy networks using pre-formed core-shell particles or reactive rubbers Polymer Bulletin. ,vol. 33, pp. 67- 74 ,(1994) , 10.1007/BF00313475