Synthesis and Characterisation of New Unsaturated Polyesters Based 	on 4,4’-Dihydroxy Dibenzylideneacetone

Abdulali B  Ben Saleh; Tareg M. Elsunakib; Mohamed A. Abd-Allac

doi:10.65540/jar.v9i.1172

المؤلفون

Abdulali B Ben Saleh a Chemistry Department, Faculty of Education, Misurata University, Libya.
Tareg M. Elsunakib Chemistry Department, Faculty of Science, Misurata University, Libya .
Mohamed A. Abd-Allac Chemistry Department, Faculty of Science, Assiut University, Egypt.

DOI:

https://doi.org/10.65540/jar.v9i.1172

الملخص

1,3-Bis (4-hydroxybenzylidene)acetone I was used as starting material for preparing new unsaturated polyesters. These polyesters were synthesized by utilizing interfacial polycondensation technique of 1,3-bis (4-hydroxy benzylidene) acetone I with adipoyl, sebacoyl, isophethaloyl, terephethaloyl and 4,4’-diphenic dichloride. In order to characterize these polymers, the necessary model compound II was prepared by reacting I and benzoyl chloride. The structure of I, II and produced polyesters were confirmed by elemental and spectral analysis. Additionally, solubility, reduced viscosity of the polyesters in the range of (0.52 - 0.76 dl/g) were determined. The thermal properties of the polymers were evaluated by thermogravimetric analysis and correlated with their structural units. The crystallinitiy of some polyesters were tested.

المراجع

Fang, T. and Shimp, D. Prog. Polym. Sci., 20, 61 – 118, 1995. DOI: https://doi.org/10.1016/0079-6700(94)E0006-M

Fan, J.; Hu, X. and Yue, C. J. Polym. Sci, Part B. Polym. Phys., 41, 1123 – 1134, 2003. DOI: https://doi.org/10.1002/polb.10445

Herr, D.; Nikolic, N. and Schultz, R. High Performance Polymers, 13, 79 – 100, 2001. DOI: https://doi.org/10.1088/0954-0083/13/3/302

Hamerton, I. and Hay, J.; Polymer International, 47, 465 – 473, 1998. DOI: https://doi.org/10.1002/(SICI)1097-0126(199812)47:4<465::AID-PI88>3.0.CO;2-S

Hamerton, I. and Hay, J. N. High Performance Polymers, 10, 163 – 174, 1998. DOI: https://doi.org/10.1088/0954-0083/10/2/001

Shimp, D. and Chin, B. Chem. & Techn., 230 – 257, 1994. DOI: https://doi.org/10.1007/978-94-011-1326-7_8

Nair, C.; Mathew, D. and Ninan, K. Adv. Polym. Sci., 155, 1 – 99, 2001.

Wende, a.; Priede, H. and Deutch, K. Proceeding of 2nd international symposium on glass reinforced plastics, Berlin, 1967.

Parkyn, B.; Lamb, F. and Clitton, B. V. Polyesters. Vol. 2, Unsaturated polyesters and polyester plasticizers, American Elsevier, New York, 1967.

Zhu, J.; Cai, J.; Xie, W.; Chen, P.; Gazzano, M.; Scandola, M. and Gross, R. A. Macromolecules, 46, 796 – 804, 2013. DOI: https://doi.org/10.1021/ma3023298

Gaina, C.; Gaina, V. and Cozan, V. Eur. Polym. J. 37, 79 – 84, 2001. DOI: https://doi.org/10.1016/S0014-3057(00)00075-6

Al-Muaikel, N. S. Eur. Polym. J. 39, 1025 – 1033, 2003. DOI: https://doi.org/10.1016/S0014-3057(02)00304-X

Murali, M. and Samui, A. A. J. Polym. Sci. Part A: Polym, Chem., 44, 51 – 57, 2006. DOI: https://doi.org/10.1002/pola.21501

Alkskas, I. A. and Esbata, A. A. J. Macromole. Sci. Part A., 45, 218 – 224, 2008. DOI: https://doi.org/10.1080/10601320701841813

Khairou, K. S.; Abd-Alla, M. A.; Aly, K. I.; Nahas, N. M. and Al-Bonian, A. M. Arabian Journal of Chemistry, 2, 65 – 71, 2009. DOI: https://doi.org/10.1016/j.arabjc.2009.07.001

Kornblum, N. and Kendall, D. L. J. Am. Chem. Soc. 74, 5782 – 5782, 1952. DOI: https://doi.org/10.1021/ja01142a518

Perrin, D. D.; Armarego, W. L. F. and Perrin, D. R. Purification of laboratory chemicals, 2nd ed. , Pergamon, New York, 1980.

Ali, K. I. and Geies, A. A. High Performance Polymers, 4, 187 – 195, 1992. DOI: https://doi.org/10.1088/0954-0083/4/3/007

Abd-Alla, M. A. and Aly, K. I. High Performance Polymers, 2, 235 – 243, 1990. DOI: https://doi.org/10.1177/095400839000200403

Abd-Alla, M. A.; Kandeel, M. M.; Aly, K. I. and Hammam, A. S. J. Macromole. Sci. Part A., 27, 523 – 538, 1990. DOI: https://doi.org/10.1080/10601329008544788

Mandelken, L. Crystallisation of Polymers, McGraw-Hill, New York, 1964.

Abd-Alla, M. A.; Aly, K. I. and Hammam, A. S. High performace polymers, 1, 223 – 237, 1989. DOI: https://doi.org/10.1177/152483998900100304