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Tran NHA, Brünig H, Heinrich G. Controlling micro- and nanofibrillar morphology of polymer blends in low-speed melt spinning process. Part I. Profiles of PLA/PVA-filament parameters along the spinline. J Appl Polym Sci 2016. [DOI: 10.1002/app.44258] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nguyen Hoai An Tran
- Leibniz-Institut für Polymerforschung Dresden e. V; Hohe Straße 6 Dresden 01069 Germany
- Ho Chi Minh City University of Technology, VNU-HCM; Ho Chi Minh City Viet Nam
| | - Harald Brünig
- Leibniz-Institut für Polymerforschung Dresden e. V; Hohe Straße 6 Dresden 01069 Germany
| | - Gert Heinrich
- Leibniz-Institut für Polymerforschung Dresden e. V; Hohe Straße 6 Dresden 01069 Germany
- Institut für Werkstoffwissenschaft; Technische Universität Dresden; Dresden 01062 Germany
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Comparative Analysis of the Effect of Organoclay, Boron Nitride, and Fluoropolymer on the Rheology and Instabilities in the Extrusion of High Density Polyethylene. INT J POLYM SCI 2015. [DOI: 10.1155/2015/190537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The effect of different processing additives on the extrusion instabilities of high density polyethylene (HDPE) was investigated. The concentration of each processing additive was fixed at 0.05 wt%. Organoclay, boron nitride, and fluoropolymer reduced transient shear and extensional viscosities of HDPE melt. Drop in extrusion pressure occurred during the extrusion experiment. The initial loss of glossiness in HDPE was restored with the addition of these additives. However, the fluoropolymer did not succeed in eliminating the stick-slip fracture. Despite the inclusion of the processing additives, gross-melt fracture in HDPE reappeared at apparent shear rate of 141 s−1. Both moment and distortion factor methods of analyses were employed and their findings support the observed visual trends of the extrudate surface. The quantifying tools indicated that combined organoclay and fluoropolymer reduced the pressure fluctuations and its performance surpassed that of the individual additives.
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Hogan TA, Walia P, Dems BC. Investigation of the relationships between die build up and die swell. POLYM ENG SCI 2008. [DOI: 10.1002/pen.21275] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Vogel R, Brünig H, Häußler L, Hatzikiriakos S. Influence of processing aids on the uniaxial extensional behavior of metallocene polyethylenes. POLYM ENG SCI 2006. [DOI: 10.1002/pen.20549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Vogel R, Hatzikiriakos SG. Rheological evaluation of metallocene polyethylenes with processing aids by multi-wave oscillations. POLYM ENG SCI 2004. [DOI: 10.1002/pen.20208] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Golzar M, Beyreuther R, Brünig H, Tändler B, Vogel R. Online temperature measurement and simultaneous diameter estimation of fibers by thermography of the spinline in the melt spinning process. ADVANCES IN POLYMER TECHNOLOGY 2004. [DOI: 10.1002/adv.20008] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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