Solid State Behavior of Linear Polyesters and Polyamides |
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Page 93
... crystallization rate reaches its maximum . A single parameter which is often used to characterize the rate of crystallization is the time to reach half completion of the transformation . This parameter is termed the half - time of ...
... crystallization rate reaches its maximum . A single parameter which is often used to characterize the rate of crystallization is the time to reach half completion of the transformation . This parameter is termed the half - time of ...
Page 101
... crystallization of a similar PET are shown for comparison . Three to four orders of magnitude decreases of t1 / 2 , relative to quiescent crystallization , are seen . There is a general decrease in half - time with transformation ...
... crystallization of a similar PET are shown for comparison . Three to four orders of magnitude decreases of t1 / 2 , relative to quiescent crystallization , are seen . There is a general decrease in half - time with transformation ...
Page 121
... crystallization can occur before chains are able to re - coil and relax . Shimizu et al [ 161 ] , using on - line temperature measurement , conclude that crystallization begins downstream of the neck . Iohara et al . [ 168 ] , examining ...
... crystallization can occur before chains are able to re - coil and relax . Shimizu et al [ 161 ] , using on - line temperature measurement , conclude that crystallization begins downstream of the neck . Iohara et al . [ 168 ] , examining ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
CHEMICAL HEALING | 43 |
PRACTICAL ASPECTS OF ADDITIONAL SOLID STATE | 59 |
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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