Solid State Behavior of Linear Polyesters and Polyamides |
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Page 134
... microfibril axis is always about 2/3 of the long period . Important characteristics of the microfibrils found in Nylon , PET , PP , and PE fibers are listed in Table 1 . Table 1. Typical dimensions of the microfibrils ( Å ) PE PP Nylon ...
... microfibril axis is always about 2/3 of the long period . Important characteristics of the microfibrils found in Nylon , PET , PP , and PE fibers are listed in Table 1 . Table 1. Typical dimensions of the microfibrils ( Å ) PE PP Nylon ...
Page 136
... microfibrils . In this process , the molecules from the surface of the microfibrils are sheared off and stretched . The main role of the microfibrils in PET and nylon is to provide dimen- sional stability at elevated temperatures ...
... microfibrils . In this process , the molecules from the surface of the microfibrils are sheared off and stretched . The main role of the microfibrils in PET and nylon is to provide dimen- sional stability at elevated temperatures ...
Page 149
... microfibrils do not undergo the same degree of stretching as the fiber does during this stage of drawing . Starting from a microfibril diameter of 119 Å with the fibers drawn 3X , a stretching of the microfibril to 5.35X would lead to a ...
... microfibrils do not undergo the same degree of stretching as the fiber does during this stage of drawing . Starting from a microfibril diameter of 119 Å with the fibers drawn 3X , a stretching of the microfibril to 5.35X would lead to a ...
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