Solid State Behavior of Linear Polyesters and Polyamides |
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Page 17
... average lengths of the various sequences ; m and n are the average lengths of blocks having the same B unit in common , i.e. , B1 or B2 . In this study , as in previous kinetic investigations [ 31,34 ] , the authors consider only ...
... average lengths of the various sequences ; m and n are the average lengths of blocks having the same B unit in common , i.e. , B1 or B2 . In this study , as in previous kinetic investigations [ 31,34 ] , the authors consider only ...
Page 82
... average molecular weight . The exchange reactions operative in polyesters and polyamides- i.e. , transesterification and transamidification - are described in Chapter 1 . Such reactions have the effect of " scrambling " the mers in ...
... average molecular weight . The exchange reactions operative in polyesters and polyamides- i.e. , transesterification and transamidification - are described in Chapter 1 . Such reactions have the effect of " scrambling " the mers in ...
Page 262
... average molecular weight ( M , ) in a certain M , interval , above a threshold value , however , no correlation was found [ 70 ] . Analogous results are available for PET : a PET of medium viscosity average ( M , ) showed a Gie of 4.3 ...
... average molecular weight ( M , ) in a certain M , interval , above a threshold value , however , no correlation was found [ 70 ] . Analogous results are available for PET : a PET of medium viscosity average ( M , ) showed a Gie of 4.3 ...
Contents
SOLID STATE REACTIONS IN LINEAR | 1 |
TRANSREACTIONS AND POSTADDITIONAL | 19 |
CHEMICAL HEALING | 43 |
Copyright | |
21 other sections not shown
Common terms and phrases
acid additional solid amorphous annealing Appl aspect ratio behavior birefringence block temperature chain Chem chemical healing composites copolyester copolymer courtesy crystallinity crystallization curves decreases deformation degree of crystallinity density diameter diffusion domains 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 macromolecules Makromol material matrix maximum measurements mechanical melting point microfibrils microstructure mm/min modulus molding 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