A Comparative Investigation of the Rheological Properties in Shear and Tension of Tube-Grade Polymodal Polyethylene Melts
2014 ◽
Vol 41
(10)
◽
pp. 31-34
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Keyword(s):
D 20
◽
Melts of bimodal (tube) polyethylenes relax considerably more rapidly than normal monomodal specimens. At exit from an l/d = 20 capillary, a melt of bimodal polyethylene behaves like an unrelaxed melt, whereas normal polyethylene does not manage to relax entirely even at exit from an l/d = 30 capillary. The obtained results point to one of the reasons for the high durability of polyethylene tubes with a bimodal molecular weight distribution.
1979 ◽
Vol 23
(5)
◽
pp. 1279-1289
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2020 ◽
Vol 8
(6)
◽
pp. 603-630
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2000 ◽
Vol 75
(11)
◽
pp. 1416-1423
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Thermal and rheological properties of polyethylene blends with bimodal molecular weight distribution
2013 ◽
Vol 129
(4)
◽
pp. 2145-2151
◽
1976 ◽
Vol 16
(8)
◽
pp. 579-584
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Correlation between steady state flow curve and molecular weight distribution for polyethylene melts
1971 ◽
Vol 11
(3)
◽
pp. 200-204
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Keyword(s):
2017 ◽
Vol 208
◽
pp. 66-76
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