Carbon-13 nuclear magnetic resonance study on poly(ethylacrylate-co-sodium acrylate) ionomer

被引:2
作者
Lim, AR [1 ]
Kwark, YJ
Kim, JS
机构
[1] Jeonju Univ, Dept Phys, Jeonju 560759, South Korea
[2] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA
[3] Chosun Univ, Dept Polymer Sci & Engn, Kwangju 501759, South Korea
关键词
D O I
10.1063/1.1624486
中图分类号
O59 [应用物理学];
学科分类号
摘要
The poly(ethylacrylate) (PEA) homopolymer and poly(ethylacrylate-co-sodium acrylate) ionomer that contain 8.4 mol % ionic groups (PEANa-8.4) were studied by C-13 using cross polarization and magic angle spinning nuclear magnetic resonance (CP/MAS NMR). The C-13 spin-lattice relaxation times in a rotating frame, T-1rho, were measured as functions of the temperature. Using these T-1rho spin-lattice relaxation times, we addressed the chain mobility, correlation time, and activation energy for carbon of the PEA homopolymer and the PEANa-8.4 ionomer. We found that the molecular motion in the PEA homopolymer needed a higher activation energy than that in the PEANa-8.4 ionomer. In addition, we observed that motion of the 1-methyl carbons in the PEANa-8.4 ionomer was distinctly different from that in the PEA homopolymer: the value of T-1rho for 1-methyl carbon is ascribed to stronger interactions between the polymer chains in the homopolymer. (C) 2003 American Institute of Physics.
引用
收藏
页码:7351 / 7355
页数:5
相关论文
共 21 条
  • [11] Comparison of clustering in various acrylate ionomers
    Kim, JS
    Nah, YH
    Jarng, SS
    [J]. POLYMER, 2001, 42 (13) : 5567 - 5571
  • [12] Clustering in poly(methyl acrylate) ionomers
    Kim, JS
    Nah, YH
    Jarng, SS
    Kim, W
    Lee, Y
    Kim, YW
    [J]. POLYMER, 2000, 41 (08) : 3099 - 3102
  • [13] KIM JS, 2002, ENCY POLYM SCI TECHN
  • [14] Relationships between the glass transition temperatures and the type of cations in poly(ethyl acrylate) ionomers
    Kim, SH
    Kim, JS
    [J]. MACROMOLECULES, 2003, 36 (07) : 2382 - 2386
  • [15] Poly(methyl acrylate-co-sodium methacrylate) ionomer studied by solid state 13C T1ρ NMR
    Lim, AR
    Kim, JS
    [J]. SOLID STATE COMMUNICATIONS, 2000, 115 (04) : 179 - 183
  • [16] DYNAMICAL BEHAVIOR OF POLY(2-VINYLPYRIDINE) IN SOLUTION STUDIED BY C-13 NUCLEAR MAGNETIC-RELAXATION
    RAVINDRANATHAN, S
    SATHYANARAYANA, DN
    [J]. MACROMOLECULES, 1995, 28 (07) : 2396 - 2405
  • [17] MAGIC-ANGLE C-13 NMR ANALYSIS OF MOTION IN SOLID GLASSY POLYMERS
    SCHAEFER, J
    STEJSKAL, EO
    BUCHDAHL, R
    [J]. MACROMOLECULES, 1977, 10 (02) : 384 - 405
  • [18] Schlick S., 1996, IONOMERS CHARACTERIZ
  • [19] SHAW D, 1976, FOURIER TRANSFORM NM
  • [20] C-13 NMR ROTATING FRAME RELAXATION IN A SOLID WITH STRONGLY COUPLED PROTONS - POLYETHYLENE
    VANDERHART, DL
    GARROWAY, AN
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1979, 71 (07) : 2773 - 2787