Solid State Behavior of Linear Polyesters and Polyamides |
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Page 119
... spinning In the spinning operation , molten polymer is forced through small holes in a die ( the spinneret ) , and then further oriented by an axial force on the fiber . The axial force is varied by controlling the take - up velocity ...
... spinning In the spinning operation , molten polymer is forced through small holes in a die ( the spinneret ) , and then further oriented by an axial force on the fiber . The axial force is varied by controlling the take - up velocity ...
Page 122
... spinning speeds , the molecular orienta- tion develops over a short distance along the threadline - approximately 20 cm . They find that molecular orientation begins at a temperature some- where in the range 120-160 ° C and terminates ...
... spinning speeds , the molecular orienta- tion develops over a short distance along the threadline - approximately 20 cm . They find that molecular orientation begins at a temperature some- where in the range 120-160 ° C and terminates ...
Page 177
... spinning process to achieve a de- sired optimal value of J is mainly a numerical computation based on the mathematical principles of optimization . Schematics Of A Spinning System Yu Spinneret t = 0 Z , t , X ( t ) t = t , b Take Up ...
... spinning process to achieve a de- sired optimal value of J is mainly a numerical computation based on the mathematical principles of optimization . Schematics Of A Spinning System Yu Spinneret t = 0 Z , t , X ( t ) t = t , b Take Up ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
CHEMICAL HEALING | 43 |
PRACTICAL ASPECTS OF ADDITIONAL SOLID STATE | 59 |
Copyright | |
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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