Solid State Behavior of Linear Polyesters and Polyamides |
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Page 220
... extrusion was determined by measuring the length of the extrudate as function of the extrusion time . Figure 5 shows the effect of extrusion temperature and pressure on the extrusion rate . The extrusion pressure in the lower curves was ...
... extrusion was determined by measuring the length of the extrudate as function of the extrusion time . Figure 5 shows the effect of extrusion temperature and pressure on the extrusion rate . The extrusion pressure in the lower curves was ...
Page 223
... Extrusion temperature 194 ° C extrusion pressure 0.49 GPa . Nominal draw ratio 1 is undrawn material [ 24 ] . rate . The samples had been crystallized at 184 ° C and 0.24 GPa and were extruded at 0.49 GPa at 168 and 176 ° C . Similar to ...
... Extrusion temperature 194 ° C extrusion pressure 0.49 GPa . Nominal draw ratio 1 is undrawn material [ 24 ] . rate . The samples had been crystallized at 184 ° C and 0.24 GPa and were extruded at 0.49 GPa at 168 and 176 ° C . Similar to ...
Page 231
... Temperature Nominal Rate of Die swell of extrusion draw ratio extrusion ° C mm3 / s % A 48-118 4 0.4 40-34 B 75-170 4 0.4 29-26 C 50-190 4 0.4 22-12 C 180 2-7 0.4 12-13 C 180 4 0.4-383 12-24 Table 4. Extrusion conditions for PBTPOTM ...
... Temperature Nominal Rate of Die swell of extrusion draw ratio extrusion ° C mm3 / s % A 48-118 4 0.4 40-34 B 75-170 4 0.4 29-26 C 50-190 4 0.4 22-12 C 180 2-7 0.4 12-13 C 180 4 0.4-383 12-24 Table 4. Extrusion conditions for PBTPOTM ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
CHEMICAL HEALING | 43 |
PRACTICAL ASPECTS OF ADDITIONAL SOLID STATE | 59 |
Copyright | |
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Common terms and phrases
acid additional solid amorphous annealing Appl aspect ratio behavior birefringence block temperature chain Chem composites copolyester copolymer courtesy crystallinity crystallization curves decreases deformation degree of crystallinity density diameter diffusion domains Dröscher effect Equation exchange reactions extrusion temperature Fakirov fiber axis fibers drawn filament fracture mechanics fracture toughness function heat of fusion heated element higher increasing initial kg/cm² kinetics linear polycondensates load macromolecules Makromol material matrix maximum measurements mechanical melting point microfibrils microstructure mm/min modulus molded molecules morphology nominal draw ratio noncrystalline nylon 6 fibers nylon 66 orientation parameters peak PET fibers phase Phys polyamides polyesters Polymer Sci polymerization properties Reprinted from Ref samples SAXS Schultz semicrystalline shown in Figure solid state polycondensation solid state post-polycondensation solid state reactions Solid-state extrusion specimen spherulite strength stress structure Table tensile terephthalate thermoplastics toughened transesterification transreactions values x-ray yield Zachmann