Gradient blending of poly(dimethylsiloxane) with polystyrene and polyethylene in supercritical carbon dioxide

Journal of Supercritical Fluids

Volumn 44, Issue 1, 2008, Pages 48-61

  Bayraktar, Zeynep ^a   Kiran, Erdogan ^b  

^a International Speciality Products   (Turkey)

^b State University   (United States)

Author keywords

Blending; Carbon dioxide; Gradient polymers; Poly(dimethylsiloxane); Polyethylene; Polystyrene; Supercritical fluids

Indexed keywords

CARBON DIOXIDE; IMPREGNATION; POLYDIMETHYLSILOXANE; POLYETHYLENES; POLYSTYRENES; SUPERCRITICAL FLUIDS; SWELLING;

DEPRESSURIZATION; GRADIENT POLYMERS; IMPREGNATION TEMPERATURE;

POLYMER BLENDS;

EID: 37349025468     PISSN: 08968446     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.supflu.2007.09.002     Document Type: Article

References (23)

1. Paul D.R., and Bucknall C.B. Polymer Blends (2000), John Wiley & Sons, New York
2. Lipatov Y.S., and Nesterov A.E. Thermodynamics of Polymer Blends (1997), Technomic Publishing Co., Lancaster, PA
3. Chiou J.S., Barlow J.W., and Paul D.R. Miscibility of bisphenol A polycarbonate with poly(methyl methacrylate). J. Polym. Sci. B 25 (1987) 1459-1471
4. P.L. Berneburg, V.J. Krunokis, Method for densification of ceramic materials, U.S. Patent 4,552,786 (1985).
5. M.L. Sand, Method of impregnating a thermoplastic polymer, U.S. Patent 4,598,006 (1986).
6. A.R. Berens, G.S. Huvard, R.W. Korsmeyer, Process for incorporating an additive into a polymer, U.S. Patent 4,820,752 (1989).
7. E. Kiran, Supercritical fluid processing in the pulp and paper and forest product industries, in: K.W. Hutchenson, N.R. Foster (Eds.), Innovations in Supercritical Fluids Science and Technology, ACS Symposium Series No. 608, Washington, DC, 1995 (chapter 26).
8. Guney O., and Akgerman A. Synthesis of controlled-release products in supercritical medium. AIChE J. 48 (2002) 856-866
9. Duarte A.R.C., Costa M.S., Simplicio A.L., Cardoso M.M., and Duarte C.M.M. Preparation of controlled release microspheres using supercritical fluid technology for delivery of anti-inflammatory drugs. Int. J. Pharm. 308 (2006) 168-174
10. Tandya A., Mammucari R., Dehghani F., and Foster N.R. Dense gas processing of polymeric controlled release formulations. Int. J. Pharm. 328 (2007) 1-11
11. Knittel D., Saus W., and Schollmeyer E. Application of supercritical carbon dioxide in finishing processes. J. Text. Inst. 84 (1993) 534-552
12. Montero G.A., Smith C.B., Hendrix W.A., and Butcher D.L. Supercritical fluid technology in textile processing: an overview. Ind. Eng. Chem. Res. 39 (2000) 4806-4812
13. van der Kraan M., Cid M.V.F., Woerle G.F., Veugelers W.J.T., and Witkamp G.J. Dyeing of natural and synthetic textiles in supercritical carbon dioxide with disperse reactive dyes. J. Supercrit. Fluids 40 (2007) 470-476
14. 2 swollen poly(chlorotrifluoroethylene). Macromolecules 28 (1995) 4067-4074
15. Rajagopalan P., and McCarthy T.J. Two-step surface modification of chemically resistant polymers: blend formation and subsequent chemistry. Macromolecules 31 (1998) 4791-4797
16. Muth O., Hirth Th., and Vogel H. Polymer modification by supercritical impregnation. J. Supercrit. Fluids 17 (2000) 65-72
17. Zhang J., Busby A.J., Roberts C.J., Chen X., Davies M.C., Tendler S.J.B., and Howdle S.M. Preparation of poly(methyl methacrylate)/ultrahigh molecular weight polyethylene blend using supercritical carbon dioxide and the identification of a three-phase structure. Macromolecules 35 (2002) 8869-8877
18. Nose T. Coexistence curves of polystyrene/poly(dimethylsiloxane) blends. Polymer 36 (1995) 2243-2248
19. Chalykh A.Ye., and Avdeyev N.N. Influence of molecular mass of the components on the phase equilibrium of the polyethylene-poly(dimethylsiloxane) system. Polym. Sci. U.S.S.R. 27 (1985) 2769-2777
20. Huglin M.B., and Idris I.M. Miscibility of oligomeric poly(dimethylsiloxane) with long-chain unbranched alkanes. 3. Observations on polydispersity. Eur. Polym. J. 21 (1985) 9-13
21. Bayraktar Z., and Kiran E. Miscibility, phase separation, and volumetric properties in solutions of poly(dimethylsiloxane) in supercritical carbon dioxide. J. Appl. Polym. Sci. 75 (2000) 1397-1403
22. Upper G., Zhang W., Beckel D., Sohn S., Liu K., and Kiran E. Phase boundaries and crystallization of polyethylene in n-pentane and n-pentane + carbon dioxide fluid mixtures. Ind. Eng. Chem. Res. 45 (2006) 1478-1492
23. Bayraktar Z., and Kiran E. Polymer blending by pressure-induced swelling, impregnation and phase separation in supercritical fluids. Gradient blending and phase localization of poly(dimethylsiloxane) in polystyrene and polyethylene. Proceedings of the 2nd International Meeting on High Pressure Chemical Engineering. Hamburg, Germany, March 7-9 (2001)