P. Gesche, Polycondensation des polyesters saturés, Techniques de l'Ingénieur, Série Procédés Chimiques Unitaires, p.5850, 1990.

K. Othmer, S. A. Jabarin-]-r, C. W. Daubeny, C. J. Bunn, and . Brown, [5] E.Bollet, PET'97, Maack business conference, Proc. Roy. Soc., A226) [9] I.H. Hall, Structure of Crystalline Polymers, pp.662-85, 1954.

Y. Kitano, Y. Kinoshita, and A. Tamaichi, Morphology and crystal structure of an a axis oriented, highly crystalline poly(ethylene terephthalate), Polymer, vol.36, issue.10, p.1947, 1995.
DOI : 10.1016/0032-3861(95)91437-C

J. M. Stearne and I. M. Ward, The tensile behaviour of polyethylene terephthalate, Journal of Materials Science, vol.52, issue.12, p.1088, 1969.
DOI : 10.1007/BF00549849

K. Friedrich and S. Fakirov, Effect of thermal treatments on the fracture behaviour of notched polyethylene terephthalate ribbons, Journal of Materials Science, vol.68, issue.8, p.2807, 1985.
DOI : 10.1007/BF00553043

C. W. Bunn, The crystal structure of long-chain normal paraffin hydrocarbons. The ???shape??? of the <CH2 group, Trans. Faraday Soc., vol.35, issue.0, p.482, 1939.
DOI : 10.1039/TF9393500482

R. P. Swan, Polyethylene unit cell variations with temperature, Journal of Polymer Science, vol.56, issue.164, p.403, 1962.
DOI : 10.1002/pol.1962.1205616410

J. P. Machon, B. Seguela, and R. Wirth, Polymères de grande diffusion, Chapitre 5.1, Les référentiels Dunod ? Novembre, 1991.

B. Boutevin, J. M. Lusinchi, Y. Pietrasanta, and J. J. Robin, Improving poly(ethylene terephthalate)/high-density polyethylene blends by using graft copolymers, Polymer Engineering & Science, vol.26, issue.6, p.879, 1996.
DOI : 10.1002/pen.10475

P. Sambaru and S. A. Jabarin, Properties and morphology of oriented ternary blends of poly(ethylene terephthalate), high density polyethylene, and compatibilizing agent, Polymer Engineering and Science, vol.32, issue.13, p.827, 1993.
DOI : 10.1002/pen.760331307

G. Groeninckx, H. Reynaers, H. Berghmans, G. J. Smets8-]-a, J. L. Muller et al., Morphology and melting behavior of semicrystalline poly(ethylene terephthalate). I. Isothermally crystallized PET, ACS Symposium series, pp.1311-796, 1980.
DOI : 10.1002/pol.1980.180180612

P. J. Flory, Principles of Polymer Chemistry, 1953.

J. Hildeband and R. Scott, Solubility of Non-Electrolytes, 3 iéme Edition, Polym. Eng. Sci, vol.22, p.96, 1982.

L. A. Utracki, Melt flow of polymer blends, Polymer Engineering and Science, vol.6, issue.11, p.602, 1983.
DOI : 10.1002/pen.760231103

C. D. Han, Multiphase Flow in Polymer Processing, 1981.
DOI : 10.1007/978-1-4684-3746-1_19

L. A. Utracki, Polymer Alloys and Blends, 1989.

T. I. Ablazova, M. Tsebrenko, A. B. Yudin, G. V. Vinogradov, and B. V. Yarlykov, The rheological properties of molten mixtures of polyoxymethylene and copolyamide: Their fibrillation and microstructure, Journal of Applied Polymer Science, vol.19, issue.7, p.1781, 1975.
DOI : 10.1002/app.1975.070190701

S. J. Choi and W. R. Schowalter, Rheological properties of nondilute suspensions of deformable particles, Physics of Fluids, vol.18, issue.4, p.420, 1975.
DOI : 10.1063/1.861167

J. F. Palierne, Linear rheology of viscoelastic emulsions with interfacial tension, Rheologica Acta, vol.27, issue.3, p.204, 1991.
DOI : 10.1007/BF01331356

R. F. Heitmiller, R. Z. Naar, and H. H. Zabusky, Effect of homogeneity on viscosity in capillary extrusion of polyethylene, Journal of Applied Polymer Science, vol.8, issue.2, p.873, 1964.
DOI : 10.1002/app.1964.070080226

H. L. Doppert and W. S. Overdiep, Multicomponent Polymer Systems, Adv. Chem. Ser. ACS, vol.99, 1971.

C. C. Lin, A Mathematical Model for Viscosity in Capillary Extrusion of Two-Component Polyblends, Polymer Journal, vol.11, issue.3, p.185, 1979.
DOI : 10.5254/1.3534954

L. A. Utracki, On the viscosity???concentration dependence of immiscible polymer blends, Journal of Rheology, vol.35, issue.8, p.1615, 1991.
DOI : 10.1122/1.550248

S. S. Dagli and K. M. Kamdar, Effects of component addition protocol on the reactive compatibilization of HDPE/PET blends, Polymer Engineering and Science, vol.3, issue.23, p.1709, 1994.
DOI : 10.1002/pen.760342302

A. Harlin and E. Heino, Comparison of rheological properties of cross-linked and thermal-mechanically degraded HDPE, Journal of Polymer Science Part B: Polymer Physics, vol.33, issue.3, p.479, 1995.
DOI : 10.1002/polb.1995.090330316

F. Berzin, B. Vergnes, L. Delamare, . Chapitre, . Iv et al., Etude de Mélanges non compatibilisés de Polyoléfines ? Application au recyclage, Thèse. Ecole des Mines de Paris, pp.1243-1156, 1978.

C. D. Han and R. Shetty, Studies on multilayer film coextrusion I. The rheology of flat film coextrusion, Polymer Engineering and Science, vol.17, issue.10, p.697, 1976.
DOI : 10.1002/pen.760161008

A. Karafiannis, H. Mavridis, A. N. Hrymak, and J. Vlachopoulos, Interface determination in bicomponent extrusion, Polymer Engineering and Science, vol.17, issue.15, p.982, 1988.
DOI : 10.1002/pen.760281507

D. L. Wilfong, A. Hiltner, and E. Baer, Toughening of polyester resins through blending with polyolefins, Journal of Materials Science, vol.18, issue.6, p.2014, 1986.
DOI : 10.1007/BF00547942

G. Verfaillie, J. Devaux, and R. Legras, Relationship between surface and bulk morphologies for immiscible polymer blends, Polymer, vol.40, issue.11, p.2929, 1999.
DOI : 10.1016/S0032-3861(98)00336-X

H. V. Van-oene and J. Colloid, Modes of dispersion of viscoelastic fluids in flow, Journal of Colloid and Interface Science, vol.40, issue.3, p.448, 1972.
DOI : 10.1016/0021-9797(72)90355-4

J. J. Elmendorp, A. K. Van-der, and . Vegt, A study on polymer blending microrheology: Part IV. The influence of coalescence on blend morphology origination, Polymer Engineering and Science, vol.47, issue.19, p.1332, 1986.
DOI : 10.1002/pen.760261908

J. J. Elmendorp and R. J. Maalcke, A study on polymer blending microrheology: Part 1, Polymer Engineering and Science, vol.10, issue.16, p.1041, 1985.
DOI : 10.1002/pen.760251608

N. Alle and J. Lyngaae-jorgen, Polypropylene-polyethylene blends, Rheologica Acta, vol.62, issue.61, p.104, 1980.
DOI : 10.1007/BF01523861

M. V. Tsebrenko and . Intern, Fibrillation of the Mixtures of Crystallizable, Amorphous and Poorly Crystalline Polymers, International Journal of Polymeric Materials and Polymeric Biomaterials, vol.5, issue.2, p.83, 1983.
DOI : 10.1080/00914038308080262

H. E. Meijer, P. J. Lemstra, and P. H. Elemans, Structured polymer blends, Makromolekulare Chemie. Macromolecular Symposia, vol.13, issue.2, p.113, 1988.
DOI : 10.1002/masy.19880160109

S. Basu and D. D. Kale, Processing of high density polyethylene and poly(ethylene terephthalate) blends, Macromolecular Symposia, vol.48, issue.1, p.329, 1997.
DOI : 10.1002/masy.19971180144

C. R. Lindsey, D. R. Paul, and W. Barlow, Mechanical properties of HDPE???PS???SEBS blends, Journal of Applied Polymer Science, vol.26, issue.1, p.1, 1987.
DOI : 10.1002/app.1981.070260101

H. Chuang and C. D. Han, Mechanical properties of blends of nylon 6 with a chemically modified polyolefin, Journal of Applied Polymer Science, vol.30, issue.1, p.165, 1985.
DOI : 10.1002/app.1985.070300114

H. P. Shreiber, Aspects of dispersion and flow in thermoplastic-elastomer blends, Polymer Engineering and Science, vol.1, issue.3, p.129, 1983.
DOI : 10.1002/pen.760230305

R. J. Borggreve, R. J. Gaymans, and A. R. Luttmer, Influence of structure on the impact behaviour of nylon-rubber blends, Makromolekulare Chemie. Macromolecular Symposia, vol.5, issue.1, p.195, 1988.
DOI : 10.1002/masy.19880160114

Q. Fu and G. Wang, Effect of morphology on brittle-ductile transition of HPDE/CaCO3 blends, Journal of Applied Polymer Science, vol.49, issue.11, p.1985, 1993.
DOI : 10.1002/app.1993.070491115

A. Crespy, Impact resistance performances of polyamide 6 blended with different rubber phases, Polymer Engineering and Science, vol.16, issue.11, p.273, 1992.
DOI : 10.1002/pen.760320407

S. Wu, Phase structure and adhesion in polymer blends: A criterion for rubber toughening, Polymer, vol.26, issue.12, p.1855, 1985.
DOI : 10.1016/0032-3861(85)90015-1

D. R. Paul and S. Newman, Polymer Blends, Academic press, p.91, 1978.

J. Karger-kocsis, A. Kallo, and V. N. Kuleznev, Phase structure of impact-modified polypropylene blends, Polymer, vol.25, issue.2, p.279, 1984.
DOI : 10.1016/0032-3861(84)90337-9

S. Wu, Formation of dispersed phase in incompatible polymer blends: Interfacial and rheological effects, Polymer Engineering and Science, vol.40, issue.5, p.335, 1987.
DOI : 10.1002/pen.760270506

E. A. Grulke-]-l, . A. Utracki3-]-l, . Hanser, M. R. Munich, J. C. Fernandez et al., Polymer Alloys and Blends, Polym. Eng. Sci. Polym. Eng. Sci. Polym Eng. Sci. Polym Eng. Sci. Polymer Recycling J.P. Chalifoux, Polym Polym Eng. Sci. J. Appl. Polym. Sci, vol.22, issue.26, pp.96-602, 1982.

B. D. Favis and J. M. Willis, Phase size/composition dependence in immiscible blends: Experimental and theoretical considerations, Journal of Polymer Science Part B: Polymer Physics, vol.28, issue.12, p.2259, 1990.
DOI : 10.1002/polb.1990.090281208

S. Wu, Formation of dispersed phase in incompatible polymer blends: Interfacial and rheological effects, Polymer Engineering and Science, vol.40, issue.5, p.335, 1987.
DOI : 10.1002/pen.760270506

T. D. Traugott, J. W. Barlow, and D. R. Paul, Mechanical compatibilization of high density polyethylene???poly(ethylene terephthalate) blends, Journal of Applied Polymer Science, vol.28, issue.9, p.2947, 1983.
DOI : 10.1002/app.1983.070280922

I. Henaut, Etude de Mélanges non compatibilisés de Polyoléfines ? Application au recyclage, Thèse. Ecole des Mines de Paris