Copyright (c) 2014 AJC
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Preparation and Properties of Branched Poly(phosphoric ester) Oligomer and its Influences on Poly(L-lactide)
Corresponding Author(s) : Mingtao Run
Asian Journal of Chemistry,
Vol. 26 No. 15 (2014): Vol 26 Issue 15
Abstract
Branched poly(phosphoric ester) (BPPE) oligomer containing intumescent flame retardant were synthesized from spirocyclic pentaerythritol diphosphonate dichloride (SPDPC) and triethanolamine (TEA) and it was blended with poly(L-lactide) (PLLA) to investigate its influences on the thermal and rheological properties of poly(L-Lactide). The results suggest that branched poly(phosphoric ester) oligomer is an intumescent flame retardant whose residual char reaches 47 % at 600 °C and it can partially crystallize into monoclinic crystals. When it was blended with poly(L-lactide), it functions as an intumescent flame retardant, not only widening the degradation temperature range at high temperature but also increasing the residual carbon ratio of poly(L-lactide). Branched poly(phosphoric ester) also serves as a plasticizer for poly(L-lactide) by decreasing the melt viscosity.
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- M. Gao and S.S. Yang, J. Appl. Polym. Sci., 115, 2346 (2010); doi:10.1002/app.29483.
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References
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A.K. Sen, B. Mukherjee, A.S. Bhattacharya, L.K. Sanghi, P.P. De and A.K. Bhowmick, J. Appl. Polym. Sci., 43, 1673 (1991); doi:10.1002/app.1991.070430910.
Z.L. Ma, M. Zhao, H.F. Hu, H.T. Ding and J. Zhang, J. Appl. Polym. Sci., 83, 3128 (2002); doi:10.1002/app.10099.
Y. Chen, Y. Liu, Q. Wang, H. Yin, N. Aelmans and R. Kierkels, Polym. Degrad. Stabil., 81, 215 (2003); doi:10.1016/S0141-3910(03)00091-0.
Y. Halpern, D.M. Mott and R.H. Niswander, Ind. Eng. Chem. Prod. Res. Dev., 23, 233 (1984); doi:10.1021/i300014a011.
H.Y. Ma, L.F. Tong, Z.B. Xu, Z.P. Fang, Y.M. Jin and F.Z. Lu, Polym. Degrad. Stabil., 92, 720 (2007); doi:10.1016/j.polymdegradstab.2006.12.009.
X. Wang, Y. Hu, L. Song, W.Y. Xing, H.D. Lu, P. Lv and G.X. Jie, Polymer (Guildf.), 51, 2435 (2010); doi:10.1016/j.polymer.2010.03.053.
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M. Jikei and M.A. Kakimoto, Prog. Polym. Sci., 26, 1233 (2001); doi:10.1016/S0079-6700(01)00018-1.
Y.H. Kim, J. Polym. Sci. A Polym. Chem., 36, 1685 (1998); doi:10.1002/(SICI)1099-0518(199808)36:11<1685::AID-POLA1>3.0.CO;2-R.
C. Gao and D. Yan, Prog. Polym. Sci., 29, 183 (2004); doi:10.1016/j.progpolymsci.2003.12.002.
C.R. Yates and W. Hayes, Eur. Polym. J., 40, 1257 (2004); doi:10.1016/j.eurpolymj.2004.02.007.
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Y. Hong, S.J. Coombs, J.J. Cooper-White, M.E. Mackay, C.J. Hawker, E. Malmström and N. Rehnberg, Polymer, 41, 7705 (2000); doi:10.1016/S0032-3861(00)00130-0.
R. Mezzenga, C.J.G. Plummer, L. Boogh and J.-A.E. Manson, Polymer, 42, 305 (2001); doi:10.1016/S0032-3861(00)00307-4.
R. Bhardwaj and A.K. Mohanty, Biomacromolecules, 8, 2476 (2007); doi:10.1021/bm070367x.
Y. Kikkawa, H. Abe, T. Iwata, Y. Inoue and Y. Doi, Biomacromolecules, 3, 350 (2002); doi:10.1021/bm015623z.
N. Ljungberg and B. Wesslen, Biomacromolecules, 6, 1789 (2005); doi:10.1021/bm050098f.
Y. Lin, K.Y. Zhang, Z.M. Dong, L.S. Dong and Y.S. Li, Macromolecules, 40, 6257 (2007); doi:10.1021/ma070989a.
R. Ratz and O.J. Sweeting, J. Org. Chem., 28, 1608 (1963); doi:10.1021/jo01041a043.
L.C. Wang, J.Q. Jiang, P.K. Jiang and J.H. Yu, J. Polym. Res., 17, 891 (2010); doi:10.1007/s10965-009-9381-9.
M.J. Sinclair and J.E. Watts, Fire Retardant Intumescent Coating, US Patent 7,217,753 (2003).