Solid State Behavior of Linear Polyesters and Polyamides |
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Page 100
... stress levels confirm this trend with temperature and stress [ 108 ] . Crystallization kinetic data have been taken under three types of condi- tions : under constant load , under constant length and under free shrinkage . Figures 16 ...
... stress levels confirm this trend with temperature and stress [ 108 ] . Crystallization kinetic data have been taken under three types of condi- tions : under constant load , under constant length and under free shrinkage . Figures 16 ...
Page 121
... level of deformation is required in order to initiate crystallization in a threadline . George et al . [ 159 ] and Cheng et al . [ 169 ] have used on - line diameter measurements to compute the stress at the point of crystallization for ...
... level of deformation is required in order to initiate crystallization in a threadline . George et al . [ 159 ] and Cheng et al . [ 169 ] have used on - line diameter measurements to compute the stress at the point of crystallization for ...
Page 160
... stress level where most of the intrafibrillar tie molecules are broken or pulled out , the morphological models in Figures 2 and 3 can be represented by the strength model in Figure 16 , where the " amorphous " domains are replaced by ...
... stress level where most of the intrafibrillar tie molecules are broken or pulled out , the morphological models in Figures 2 and 3 can be represented by the strength model in Figure 16 , where the " amorphous " domains are replaced by ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
TRANSREACTIONS AND POSTADDITIONAL | 19 |
CHEMICAL HEALING | 43 |
Copyright | |
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acid additional solid amorphous annealing Appl aspect ratio behavior birefringence block temperature chain Chem chemical healing composites copolyester copolymer courtesy crystallinity crystallization curves decreases deformation degree of crystallinity density diameter diffusion domains 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 macromolecules Makromol material matrix maximum measurements mechanical melting point microfibrils microstructure mm/min modulus molding 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