Conformation of adsorbed random copolymers: A solid-state NMR and FTIR-PAS study

被引：13

作者：

Nasreddine, V ^{[1
]}

Halla, J ^{[1
]}

Reven, L ^{[1
]}

机构：

[1] McGill Univ, Dept Chem, Montreal, PQ H3A 2K6, Canada

来源：

MACROMOLECULES | 2001年 / 34卷 / 21期

关键词：

D O I：

10.1021/ma010833p

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The properties of bulk and adsorbed polyethylene-co-acrylic acid (PEA) random copolymers were characterized by solid-state NMR and vibrational spectroscopy. FTIR-PAS (Fourier transform infrared photoacoustic spectroscopy) measurements show that the copolymers are chemisorbed to zirconia surfaces via the carboxylic acid sticker groups. The chain mobility, conformation, and morphology of bulk and adsorbed PEA were studied by C-13 CP-MAS, 2D WISE, and H-1 spin diffusion NMR experiments. The effect of the copolymer loading and acrylic acid content on these properties was examined. Whereas adsorbed PEA with a 5% w/w acrylic acid content contain transoid chain segments at all loadings, samples with higher acrylic acid contents (15 % w/w) only display an all-trans component at higher loadings where unbound acid groups are present.

引用

页码：7403 / 7410

页数：8

共 54 条

[1] FORMATION OF A CRYSTALLINE MONOLAYER OF FOLDED MOLECULES BY SOLUTION SELF-ASSEMBLY OF ALPHA,OMEGA-ALKANEDIOIC ACIDS ON SILVER
ALLARA, DL
ATRE, SV
ELLIGER, CA
SNYDER, RG
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1991, 113 (05) : 1852 - 1854
[2] Stabilization of self-assembled monolayers of carboxylic acids on native oxides of metals
Aronoff, YG
Chen, B
Lu, G
Seto, C
Schwartz, J
Bernasek, S
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (02) : 259 - 262
[3] Blum F. D., 1994, ANNU REP NMR SPECTRO, V28, P277
[4] MAGNETIC-RESONANCE OF POLYMERS AT SURFACES
BLUM, FD
[J]. COLLOIDS AND SURFACES, 1990, 45 : 361 - 376
[5] SOLID-STATE NMR OF HETEROGENEOUS MATERIALS
BLUMICH, B
[J]. ADVANCED MATERIALS, 1991, 3 (05) : 237 - 245
[6] Fourier transform mid- and far-infrared specular reflectance studies of the polarizability of ion-containing polymers and oxidized polyethylene and its application to adhesion
Brack, HP
Risen, WM
[J]. JOURNAL OF MATERIALS CHEMISTRY, 1997, 7 (12) : 2355 - 2362
[7] BROGLIE M, 2001, REV METALL CAH INF T, V98, P75
[8] Infrared reflectance as a tool to reveal preferential molecular orientation of polymers adsorbed onto flat substrates
Brogly, M
Bistac, S
Schultz, J
[J]. MACROMOLECULAR SYMPOSIA, 1999, 141 : 129 - 143
[9] Persistence of molecular orientation in adsorbed ethylene vinyl acetate copolymer nanofilm studied by Fourier transform infrared reflectance spectroscopy
Brogly, M
Bistac, S
Schultz, J
[J]. MACROMOLECULES, 1998, 31 (12) : 3967 - 3973
[10] Evidence of acid-base interfacial adducts in various polymer/metal systems by IRAS: Improvement of adhesion
Brogly, M
Nardin, M
Schultz, J
[J]. JOURNAL OF ADHESION, 1996, 58 (3-4) : 263 - 279

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