Solid State Behavior of Linear Polyesters and Polyamides |
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Page 93
... maximum in the rate of crystallization lies near 180 ° C . A temperature for the maximum rate of crystallization from the melt is uniformly found to lie in the range 170-190 ° C , independent of PET characteristics and measurement ...
... maximum in the rate of crystallization lies near 180 ° C . A temperature for the maximum rate of crystallization from the melt is uniformly found to lie in the range 170-190 ° C , independent of PET characteristics and measurement ...
Page 187
... maximum point . The points where the elongational rate is at its maximum value corresponds very closely to the point where the temperature starts falling along the sharp downfall line . We are not yet able to clearly explain why this ...
... maximum point . The points where the elongational rate is at its maximum value corresponds very closely to the point where the temperature starts falling along the sharp downfall line . We are not yet able to clearly explain why this ...
Page 200
... maximum filament strength is obtained at a yield temperature of about 120 ° C . Strength gpd 11 10 ∞ 7 6 20 50 100 150 Ty · 2.3 : 1 • 3.0 : 1 • 3.5 : 1 Yield Temperature , Ty , ° C Figure 44. Effect of yield temperature on final fiber ...
... maximum filament strength is obtained at a yield temperature of about 120 ° C . Strength gpd 11 10 ∞ 7 6 20 50 100 150 Ty · 2.3 : 1 • 3.0 : 1 • 3.5 : 1 Yield Temperature , Ty , ° C Figure 44. Effect of yield temperature on final fiber ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
CHEMICAL HEALING | 43 |
PRACTICAL ASPECTS OF ADDITIONAL SOLID STATE | 59 |
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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