Solid State Behavior of Linear Polyesters and Polyamides |
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Page 14
... constants k and k ' have nearly constant values over all samples which differ in the molar feed ratios of PET and PES , except at the initial stage of the reactions ( t = 10 min ) . This clearly shows that transcsterification between ...
... constants k and k ' have nearly constant values over all samples which differ in the molar feed ratios of PET and PES , except at the initial stage of the reactions ( t = 10 min ) . This clearly shows that transcsterification between ...
Page 101
... constant load and constant length , respectively . In Figure 17 are shown crystallization half - times under constant load as a function of transformation temperature . Data for nom- inal threadline stresses of 2.1 , 5.3 , 7.1 , and 9.6 ...
... constant load and constant length , respectively . In Figure 17 are shown crystallization half - times under constant load as a function of transformation temperature . Data for nom- inal threadline stresses of 2.1 , 5.3 , 7.1 , and 9.6 ...
Page 143
... Constant , D , Parallel and Perpendicular to the Fiber Axis Dye penetration constant , a Draw X 10-5 cm / sec1 / 2 Diffusion constant , X 10-10cm / sec ratio to axis || to axis 1 to axis || to axis 1X 13.00 11.00 85.50 60.50 2.5X 9.30 ...
... Constant , D , Parallel and Perpendicular to the Fiber Axis Dye penetration constant , a Draw X 10-5 cm / sec1 / 2 Diffusion constant , X 10-10cm / sec ratio to axis || to axis 1 to axis || to axis 1X 13.00 11.00 85.50 60.50 2.5X 9.30 ...
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