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Rheology of polymer melts and concentrated solutions

✍ Scribed by G. Marrucci; F. Greco; G. Ianniruberto


Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
569 KB
Volume
4
Category
Article
ISSN
1359-0294

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Elongational rheological properties of polymer melts and solutions may be measured using nonlubricated flow characteristics through a semihyperbolic converging die. The effects of body forces related to developing orientation in the fluid during converging extensional flow are so strong that the she

Concentrated solution and melt rheology
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## Abstract The concentrated solution and melt rheology of poly(vinylidene fluoride) [PVDF] were studied by using a falling needle solution viscometer, a Brookfield viscometer, and a Kayeness capillary rheometer. It was found that the concentrated solution (15 wt% in N‐dimethyl acetamide) rheology