Solid State Behavior of Linear Polyesters and Polyamides |
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Page 22
... annealing for 3780 min at 200 ° C , while 25 % were transferred after annealing for 850 min at 225 ° C . On the basis of these results , the authors concluded that it is possible to anneal PET mixtures at temperatures below 200 ° C for ...
... annealing for 3780 min at 200 ° C , while 25 % were transferred after annealing for 850 min at 225 ° C . On the basis of these results , the authors concluded that it is possible to anneal PET mixtures at temperatures below 200 ° C for ...
Page 23
... annealing for up to 30 min at this temperature . The result indicates that ester - exchange reactions between protonated and deuterated PET require higher annealing temperatures or longer annealing times . This observation is in very ...
... annealing for up to 30 min at this temperature . The result indicates that ester - exchange reactions between protonated and deuterated PET require higher annealing temperatures or longer annealing times . This observation is in very ...
Page 92
... annealing . Concurrently , the glass transition temperature and the density increase with the time of annealing [ 71 ] . Further , infrared absorption results show that the fraction of trans bonds decreases initially with sub - T ...
... annealing . Concurrently , the glass transition temperature and the density increase with the time of annealing [ 71 ] . Further , infrared absorption results show that the fraction of trans bonds decreases initially with sub - T ...
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