Solid State Behavior of Linear Polyesters and Polyamides |
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Page 44
... initial cross section of the ruptured strip . The mechanical tests were carried out on an Instron machine . To prevent the two polymer pieces from sticking as a result of partial premelting in the healing process , the initial material ...
... initial cross section of the ruptured strip . The mechanical tests were carried out on an Instron machine . To prevent the two polymer pieces from sticking as a result of partial premelting in the healing process , the initial material ...
Page 101
... initial birefringence are shown . There is a very strong effect of initial orientation on the crystallization kinetics . In situ measurements of property changes during isothermal transfor- mation should be the surest path to obtain ...
... initial birefringence are shown . There is a very strong effect of initial orientation on the crystallization kinetics . In situ measurements of property changes during isothermal transfor- mation should be the surest path to obtain ...
Page 108
... initial crystals are very imperfect , but increase in perfection during treatment . The sequence is depicted in Figure 21. During rapid crystallization , defects such as kinks and chain ends are grown into the fibrillar crystals . With ...
... initial crystals are very imperfect , but increase in perfection during treatment . The sequence is depicted in Figure 21. During rapid crystallization , defects such as kinks and chain ends are grown into the fibrillar crystals . With ...
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