Rheological properties of electron beam-irradiated polypropylenes with different molar masses

被引：0
|
作者：
Dietmar Auhl
Florian J. Stadler
Helmut Münstedt
机构：
[1] Friedrich-Alexander University Erlangen-Nürnberg,Institute of Polymer Materials
[2] Université Catholique de Louvain,Bio
[3] Chonbuk National University, and Soft Matter, Institute of Condensed Matter and Nanosciences
来源：
Rheologica Acta | 2012年 / 51卷
关键词：
Polypropylene; Electron beam irradiation; Long-chain branching; Zero shear-rate viscosity; Elongational rheology;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electron beam-irradiated polypropylene undergoes chain scission initiated by the loss of a proton. The resulting macroradicals can lead to branched molecules. However, the understanding of the influence of irradiation on the branching of polypropylene is still scarce. Therefore, this paper investigates structure–property relationships in such irradiated polymers. In general, irradiation yields long-chain branches, which develop from a star-like into a tree-like branching architecture with increasing dose. These conclusions can be drawn from the relation between the zero shear-rate viscosity η0 and the weight average molar mass Mw as well as from the elongational behavior.
引用
收藏
页码：979 / 989
页数：10
相关论文
共 50 条
  • [1] Rheological properties of electron beam-irradiated polypropylenes with different molar masses
    Auhl, Dietmar
    Stadler, Florian J.
    Muenstedt, Helmut
    RHEOLOGICA ACTA, 2012, 51 (11-12) : 979 - 989
  • [2] Structural, Mechanical, and Transport Properties of Electron Beam-Irradiated Chitosan Membranes at Different Doses
    Baroudi, Alia
    Garcia-Payo, Carmen
    Khayet, Mohamed
    POLYMERS, 2018, 10 (02)
  • [3] Thermal stability of electron beam-irradiated polytetrafluoroethylene
    Lappan, U
    Haussler, L
    Pompe, G
    Lunkwitz, K
    JOURNAL OF APPLIED POLYMER SCIENCE, 1997, 66 (12) : 2287 - 2291
  • [4] Space charge dynamics in electron beam-irradiated PMMA
    Zheng F.
    Zhang Y.
    Gong B.
    Chen L.
    Xu J.
    Wang C.
    Frontiers of Materials Science in China, 2007, 1 (1): : 109 - 113
  • [5] Composition and functional properties of raw and electron beam-irradiated Mucuna pruriens seeds
    Bhat, Rajeev
    Sridhar, Kandikere R.
    Young, Chiu-Chung
    Bhagwath, Arun A.
    Ganesh, Sanjeev
    INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY, 2008, 43 (08): : 1338 - 1351
  • [6] Mechanical and thermal properties of electron beam-irradiated polypropylene reinforced with Kraft lignin
    Sugano-Segura, A. T. R.
    Tavares, L. B.
    Rizzi, J. G. F.
    Rosa, D. S.
    Salvadori, M. G.
    dos Santos, D. J.
    RADIATION PHYSICS AND CHEMISTRY, 2017, 139 : 5 - 10
  • [7] Long-chain branched polypropylenes by electron beam irradiation and their rheological properties
    Auhl, D
    Stange, J
    Münstedt, H
    Krause, B
    Voigt, D
    Lederer, A
    Lappan, U
    Lunkwitz, K
    MACROMOLECULES, 2004, 37 (25) : 9465 - 9472
  • [8] Evaluation of physico-chemical properties of electron beam-irradiated polycarbonate film
    Jaleh, B.
    Parvin, P.
    Sheikh, N.
    Ziaie, F.
    Haghshenas, M.
    Bozorg, L.
    RADIATION PHYSICS AND CHEMISTRY, 2007, 76 (11-12) : 1715 - 1719
  • [9] Microstructural studies of electron beam-irradiated cellulose pulp
    Dubey, KA
    Pujari, PK
    Ramnani, SP
    Kadam, RM
    Sabharwal, S
    RADIATION PHYSICS AND CHEMISTRY, 2004, 69 (05) : 395 - 400
  • [10] Temperature distributions of electron beam-irradiated samples by scanning electron microscopy
    Tokunaga, T.
    Narushima, T.
    Yonezawa, T.
    Sudo, T.
    Okubo, S.
    Komatsubara, S.
    Sasaki, K.
    Yamamoto, Takahisa
    JOURNAL OF MICROSCOPY, 2012, 248 (03) : 228 - 233
12345