Sage Journals: Discover world-class research

Abstract

Mechanical properties, morphology, and rheological behavior of poly(ethylene terephthalate) (PET) with different compatible agents were studied. The results showed that the addition of ethylene-butylacrylate-glycidyl methacrylate copolymer (PTW) significantly improved the impact-strength property of PET over maleic anhydride grafted polyethylene octene elastomer copolymer (POE-g-MA), whereas silane coupling agent KH570 grafted polyethylene octane elastomer (POE-g-KH570) had no obvious contribution to the toughness of PET. Scanning electron microscopy micrographs indicated that the size of POE-g-MA and PTW particles were smaller that that of POE-g-KH570 and dispersed uniformly due to their interaction with PET. The rheological tests revealed the viscoelastic properties of PET/PTW and PET/POE-g-MA were different from that of PET/POE-g-KH570 ascribed to the high elastic of the compatibilizers and the finely dispersed particle. And it explained that the toughening mechanism of PET toughened system was mostly due to shear yielding.

Keywords

poly(ethylene terephthalate)compatibilizer toughness rheology.

Get full access to this article

View all access options for this article.

References

Chen Jun. , Yang Wei. , Liu Zheng Ying and Huang Rui. (2004). Influence of Heat Treatment on Toughening of Polyehtylene-Octene Copolymer (POE)/Poly(ethylene terephthalate) (PET) blends, J. Mater. Sci., 39(12): 4049-4051.

Hsien-Tang Chiu and Yao-Kuei Hsiao, J. (2005). Impact-Modified Poly(ethylene terephthalate)/Polyehtylene-Octene Copolymer Elastomer Blends , J. Polym. Research., 12(5): 355-359.

Tanrattanakul, V. , Hiltner, A. , Baer , E. , Perkins, W.G. , Massey, F.L. and Moet, A. (1997). Toughening PET by Blending with a Functionalized SEBS Block Copolymer, Polymer, 38(9): 2191-2200.

Mouzakis, D.E. , Papke, N. and Tanrattanakul , V. (2001). Fracture Toughness Assessment of Poly(ethylene terephthalate) Blends with Glycidyl Methacrylate Modified Polyolefin Elastomer using Essential Work of Fracture Method, J. Appl. Polym. Sci., 79(5): 842-852.

Tanrattanakul, V. , Hiltner, A. , Baer , E. , Perkins, W.G. , Massey, F.L. and Moet, A. (1997). Effect of Elastomer Functionality on Toughened PET, Polymer , 38(16): 4117-4125.

Xiaodong Wang , Wei Feng , Hangquan Li and Riguang Jin. (2003). Compatibilization and Toughening of Poly(2,6-dimethyl-1,4-phenylene oxide)/Polyamide 6 Alloy with Poly(ethylene 1-octene): Mechanical Properties, Morphology, and Rheology , J. Appl. Polym. Sci., 88(14): 3110-3116.

Dezhen Wu , Xiaodong Wang and Riguang Jin. (2004). Toughening of Poly(2,6-dimethyl-1, 4-phenylene oxide)/Nylon 6 Alloys with Functionalized Elastomer via Reactive Compatibilization: Morphology, Mechanical Properties, and Rheology, Euro. Polym. J., 40(6): 1223-1232.

Abu-Isa, C.B. and Jaynes, J.F. O'gara . (1996). High-Impact-Strength Poly(ethylene terephthalate) (PET) from Virgin and Recycled Resins, J. Appl. Polym. Sci., 59(3): 1957-1971.

Xanthos, M. , Young, M.W. and Bieseberger, J.A. (1990). Polypropylene/Polyethylene Terephthalate Blends Compatibilized through Functionalization, Polym. Eng. Sci., 30(6): 355-365.

10.

Heino, M. and Kirjava, J. (1997). Compatibilization of Poly(ethylene terephthalate)/ Polypropylene Blends with Styrene-Ethylene/Butylene-Styrene (SEBS) Block Copolymers , J. Appl. Polym. Sci., 65(2): 241-249.

11.

Guerrero, C. and Lozano, T. (2001). Properties and Morphology of Poly(ethylene terephthalate) and High-Density Polyethylene Blends, J. Appl. Polym. Sci., 82(6): 1382-1390.

12.

Lusinchi, J.M. and Boutevin, B. (2001). In Situ Compatibilization of HDPE/PET Blends, J. Appl. Polym. Sci., 79(5): 874-880.

13.

Sun, S.L. , Xu, X.Y. , Yang , H.D. and Zhang, H.X. (2005). Toughening of Poly(Butylenes Terephthalate) with Epoxy-Functionalized, Polymer, 46(18): 7632-7643.

14.

Otsubo, Y. (1992). Dilatant Flow of Flocculated Suspensions, Langmuir, 8(9): 2336-2340.

15.

Otsubo, Y. (1993). Size Effects on the Shear-Thickening Behavior of Suspensions Flocculated by Polymer Bridging, J. Rheol. , 37(5): 799-809.

16.

Otsubo, Y. (1994). Normal Stress Behavior of Highly Elastic Suspensions , J. Colloid Interf. Sci., 163(2): 507-511.

17.

Ferry, J.D. (1980). Viscoelastic Properties of Polymer, p. 45, John Wiley & Sons. Inc., New York.

18.

Rohn, C.L. (1995). Analytical Polymer Rheology, p. 103, Hanser Publishers, New York.

19.

Pearson, R.A. and Yee, A.F. (1986). Toughening Mechanisms in Elastomer-Modified Epoxies, J. Mater. Sci., 21(7): 2475-2488.

20.

Bucknall, C.B. and Smith, R.R. (1965). Stress-Whitening in High-Impact Polystyrenes, Polymer, 6(8): 437-446.

21.

Newman, S. and Strella, S. (1965). Stress-Strain Behavior of Rubber-Reinforced Glassy Polymer, J. Appl. Polym. Sci., 9(6): 2297-2310.

22.

Wu Souheng (1988). A Generalized Criterion for Rubber Toughening: the Critical Matrix Ligament Thickness J. Appl. Polym. Sci., 35(2): 549-561.

23.

Zhu Xiaoguang and Qi Zongneng. (1997). Progress on Polymer Toughening Research, Chinese J. Mater. Res., 11(6): 623-638.

24.

Ji Genzhong , Liu Weiming , Qi Chenze and Yan Fengyuan. (2005). Study on Toughening Mechanism of Polymer Toughened by Rigid Organic Particles, Chinese Polym. Bull., 1: 50-54.

25.

Wu, S. (1985). Phase Structure and Adhesion in Polymer Blends: A Criterion for Rubber Toughening, Polymer, 26(12): 1855-1863.

The Relationship Between Rheological Behavior and Toughening Mechanism of Toughened Poly(Ethylene Terephthalate)

Abstract

Keywords

Get full access to this article

References