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, 1990 |
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Page 13
number of repeat units present - number of chain ends present - number of sites
on crystallite ends connected to tie molecules These conditions could be satisfied
by many different distributions , locations , and orientations of chain segments ...
number of repeat units present - number of chain ends present - number of sites
on crystallite ends connected to tie molecules These conditions could be satisfied
by many different distributions , locations , and orientations of chain segments ...
Page 21
It is clearly recognized that the other molecules form a perfect theta - solvent for
any particular molecule being considered . Consequently , the molecules in a
quiescent melt should take up the theoretically predicted unperturbed
conformations ...
It is clearly recognized that the other molecules form a perfect theta - solvent for
any particular molecule being considered . Consequently , the molecules in a
quiescent melt should take up the theoretically predicted unperturbed
conformations ...
Page 65
Spectra fibers are produced by spinning a solution of very high molecular weight
polyethylene . Typically , these molecules contain in the order of 105 CH2 groups
in the linear chain . During this conversion of the solution into a fully drawn ...
Spectra fibers are produced by spinning a solution of very high molecular weight
polyethylene . Typically , these molecules contain in the order of 105 CH2 groups
in the linear chain . During this conversion of the solution into a fully drawn ...
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Contents
M | 33 |
Strain Rate Effects in Ultrastrong Polyethylene Fibers and Composites | 45 |
Morphology and Near Tm Behavior of High Performance Ultrahigh | 67 |
Copyright | |
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amorphous analysis angle appearance Applied behavior bending blend body braided break calculated carpet cellulose compared composite compression constant cotton crystalline crystallization curve decrease deformation density dependence described determined developed diameter direction discussed distance distribution draw effect elastic energy experimental extension fabric factor failure fiber Figure filament finish force frictional function geometry given heat higher improved increase indicated initial length liquid load lower m/min material measured mechanical method modulus nylon observed obtained occurs orientation parameter polyester polymer present pressure problem produced properties range ratio reduced relative resistance sample scanning shape shear shown in Figure shows solution specimen speed spinning spun strain strength stress structure surface Table temperature tenacity tensile tension Text treated treatment twist unit untreated values variability yarn