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Yang T, Ye C, Cuo N, Meng D, Li J. Effect of testing condition and crystalline properties on the mechanical α-relaxation of polyethylene. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-023-04726-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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Mosoabisane MFT, Luyt AS, van Sittert CGCE. Comparative experimental and modelling study of the thermal and thermo-mechanical properties of LLDPE/wax blends. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03136-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
AbstractThe interactions and morphology of molecules in a polymer blend influence the physical properties of the blend. However, little is known about the influence of molecular interaction and morphology on the thermal and mechanical properties of LLDPE/wax blends. Although cooling rate can be used to investigate blends' thermal and mechanical properties, it is inadequate to determine interactions between the molecules in the LLDPE/wax blends. However, since the morphology is related to the thermal and mechanical properties of polymer blends and could be related to the cooling rate, LLDPE/wax samples prepared by melt mixing were cooled at different rates. The thermal and mechanical properties of the LLDPE/wax blends were modelled through molecular dynamic simulations. The modelled transitions were compared to experimentally determined mechanical relaxations of LLDPE/wax blends to investigate the effect of wax addition on the blend crystallinity. The crystallization behaviour of the blends was studied by differential scanning calorimetry, dynamic mechanical behaviour by dynamic mechanical analysis, and differences in crystallinity by X-ray diffraction. There were no significant differences between the results for the slow- and quench-cooled samples, confirming the rapid crystallization of both the LLDPE and the wax. Experiments and molecular dynamics simulations confirmed the cocrystallization of wax with LLDPE.
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Eichelter J, Wilhelm H, Eder A, Mautner A, Bismarck A. Influence of the α-relaxation on the high-velocity stretchability of isotactic polypropylene. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122593] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Effect of equal channel angular pressing on thermal and mechanical properties of carbon nanotube/high density polyethylene composite. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4179] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Stamboliev G, Milicevic D, Micic M, Suljovrujic E. Polyethylene crosslinked in different media: structural changes versus dielectric behaviour. Polym Bull (Berl) 2014. [DOI: 10.1007/s00289-014-1279-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Radiation-induced modification of dielectric relaxation spectra of polyolefins: polyethylenes vs. polypropylene. Polym Bull (Berl) 2014. [DOI: 10.1007/s00289-014-1190-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Suljovrujic E. Post-irradiation effects in polyethylenes irradiated under various atmospheres. Radiat Phys Chem Oxf Engl 1993 2013. [DOI: 10.1016/j.radphyschem.2013.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Dynamic-mechanical behavior of polyethylenes and ethene-/α-olefin-copolymers: Part III. γ-relaxation. KOREAN J CHEM ENG 2011. [DOI: 10.1007/s11814-011-0080-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Stamboliev G, Suljovrujic E. A dielectric study of molecular relaxations in irradiated high density polyethylene. Polym Degrad Stab 2010. [DOI: 10.1016/j.polymdegradstab.2009.12.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Krishnaswamy RK, Yang Q, Fernandez-Ballester L, Kornfield JA. Effect of the Distribution of Short-Chain Branches on Crystallization Kinetics and Mechanical Properties of High-Density Polyethylene. Macromolecules 2008. [DOI: 10.1021/ma070454h] [Citation(s) in RCA: 94] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Munaro M, Akcelrud L. Correlations between composition and crystallinity of LDPE/HDPE blends. JOURNAL OF POLYMER RESEARCH 2007. [DOI: 10.1007/s10965-007-9146-2] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Viciosa MT, Rodrigues C, Fernández S, Matos I, Marques MM, Duarte MT, Mano JF, Dionísio M. Dielectric and thermal characterization of low density ethylene/10-undecen-1-ol copolymers prepared with nickel catalysts. ACTA ACUST UNITED AC 2007. [DOI: 10.1002/polb.21275] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Guan X, Phillips PJ. Dynamic mechanical properties of random ethylene/1-octene copolymers prepared by rapid cooling. Eur Polym J 2007. [DOI: 10.1016/j.eurpolymj.2007.01.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Starck P, Löfgren B. Thermal studies on ethylene–vinylcyclohexane copolymers prepared with bis-indenyl type metallocene catalyst systems. J MACROMOL SCI B 2007. [DOI: 10.1081/mb-120004354] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- P. Starck
- a Polymer Science Centre , Helsinki University of Technology , Innopoli B2, Box 356, Espoo, 02151, Finland
| | - B. Löfgren
- a Polymer Science Centre , Helsinki University of Technology , Innopoli B2, Box 356, Espoo, 02151, Finland
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Sirotkin RO. The effect of supramolecular structure on deformation and relaxation transitions in ethylene-1-hexene copolymers crystallized from solution. POLYMER SCIENCE SERIES B 2006. [DOI: 10.1134/s1560090406030080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Jenkins MJ, Hine PJ, Hay JN, Ward IM. Mechanical and acoustic frequency responses in flat hot-compacted polyethylene and polypropylene panels. J Appl Polym Sci 2005. [DOI: 10.1002/app.22845] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Shimada S, Takahasi Y, Sugino Y, Hara S, Yamamoto K. Autonomic healing of a pinhole in polyethylene and photografted polyethylene-g-poly(hexyl methacrylate) films. ACTA ACUST UNITED AC 2004. [DOI: 10.1002/polb.20057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Suljovrujić E, Stamboliev G, Kostoski D. Dielectric relaxation study of gamma irradiated oriented low-density polyethylene. Radiat Phys Chem Oxf Engl 1993 2003. [DOI: 10.1016/s0969-806x(02)00284-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Dielectric studies of molecular β-relaxation in low density polyethylene: the influence of drawing and ionizing radiation. POLYMER 2002. [DOI: 10.1016/s0032-3861(02)00505-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Affiliation(s)
- João F. Mano
- Polymer Engineering Department, University of Minho, Campus of Azurém, 4800-058 Guimarães, Portugal
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Jokela K, Väänänen A, Torkkeli M, Starck P, Serimaa R, Löfgren B, Seppälä J. Differential scanning calorimetry, small-angle X-ray scattering, and wide-angle X-ray scattering on homogeneous and heterogeneous ethylene-α-copolymers. ACTA ACUST UNITED AC 2001. [DOI: 10.1002/polb.1161] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Kramer S, Nowak H, Springer H, Hinrichsen G. Dielectric relaxation of polar aromatics in unoriented and oriented linear low-density polyethylene. J Appl Polym Sci 2000. [DOI: 10.1002/1097-4628(20010214)79:7<1278::aid-app160>3.0.co;2-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Djokovi? V, Kostoski D, Drami?anin MD. Viscoelastic behavior of semicrystalline polymers at elevated temperatures on the basis of a two-process model for stress relaxation. ACTA ACUST UNITED AC 2000. [DOI: 10.1002/1099-0488(20001215)38:24<3239::aid-polb50>3.0.co;2-q] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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