Solid State Behavior of Linear Polyesters and Polyamides |
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Page 119
... orientation in the transverse directions . Consequently , the fusion of crystallites must either ( a ) be coupled to a mechanism whereby the orientation of at least one of the crystallites can be changed , to obtain identity in the ...
... orientation in the transverse directions . Consequently , the fusion of crystallites must either ( a ) be coupled to a mechanism whereby the orientation of at least one of the crystallites can be changed , to obtain identity in the ...
Page 122
... orientation begins at a temperature some- where in the range 120-160 ° C and terminates near the glass transition ( ca. 80 ° C ) . Nevertheless , the degree of molecular orientation increases markedly with spinning speed in this range ...
... orientation begins at a temperature some- where in the range 120-160 ° C and terminates near the glass transition ( ca. 80 ° C ) . Nevertheless , the degree of molecular orientation increases markedly with spinning speed in this range ...
Page 172
... Oriented Samples Degree of crystallinity , % Nylon 6 Nylon 66 67 70 Amorphous orientation ( Integral breadth in degrees of the azimuthal intensity distribution ) 30 36 Size of Long amorphous period , Å domain , Å 86 28.7 91 30.3 ...
... Oriented Samples Degree of crystallinity , % Nylon 6 Nylon 66 67 70 Amorphous orientation ( Integral breadth in degrees of the azimuthal intensity distribution ) 30 36 Size of Long amorphous period , Å domain , Å 86 28.7 91 30.3 ...
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