Science and Technology of Fibers and Related Materials: Proceedings of the Fiber Society 50th Anniversary Technical Conference Held in Princeton, New Jersey, August 19-23, 1990Ludwig Rebenfeld |
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Page 225
... stress profile Conventional stress profile ( a ) - ( a ) Birefringence DISTANCE FROM SPINNERET , arbitrary unit FIG . 1. Illustration of threadline stress and birefringence profiles . ( a ) A normal high - speed spinning process ; ( b ) ...
... stress profile Conventional stress profile ( a ) - ( a ) Birefringence DISTANCE FROM SPINNERET , arbitrary unit FIG . 1. Illustration of threadline stress and birefringence profiles . ( a ) A normal high - speed spinning process ; ( b ) ...
Page 243
... STRESS AT THE LIB EXIT , g / d 5.0 10 cm 4.5 25 cm 4.0 40 cm 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1500 2000 2500 3000 3500 0.95 IV PET spinning LIB : 115- 155 cm , 120 ° C 4000 4500 TAKE - UP VELOCITY , m / min FIG . 18. Spinning stress at ...
... STRESS AT THE LIB EXIT , g / d 5.0 10 cm 4.5 25 cm 4.0 40 cm 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 1500 2000 2500 3000 3500 0.95 IV PET spinning LIB : 115- 155 cm , 120 ° C 4000 4500 TAKE - UP VELOCITY , m / min FIG . 18. Spinning stress at ...
Page 246
... stress develops mainly after the freeze point , resulting in cold drawing or a plastic deformation effect . Increased cooling rate in fine denier filament could also affect the development of crys- tallization because relatively shorter ...
... stress develops mainly after the freeze point , resulting in cold drawing or a plastic deformation effect . Increased cooling rate in fine denier filament could also affect the development of crys- tallization because relatively shorter ...
Contents
Technological Developments in ManMade Fibers and Related | 33 |
Morphology and Near Tm Behavior of High Performance Ultrahigh | 67 |
Properties Structures and Temperature Limitations | 87 |
Copyright | |
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amorphous analysis angle appear Applied assumed behavior bending birefringence blend braided break calculated carpet compared composite compression constant cotton crystalline crystallization curve decrease deformation density dependence described determined developed diameter diffusion direction discussed distance distribution draw effect energy experimental extension fabric factor failure fiber filament finish force fraction function geometry given heat higher impact improved increase indicated initial length liquid load lower m/min material measured mechanical method modulus nylon observed obtained occur orientation parameters phase polyester polymer possible present pressure produced properties range ratio recovery relative sample Scanning shape shear shown in Figure shows solution specimen Spectra speed spinning spun strain strength stress structure surface Table temperature tenacity tensile Text treated treatment twist unit values variability yarn