Poly (acrylic acid) and poly (sodium styrene sulfonate) compatibility by Fourier transform infrared and differential scanning calorimetry

被引：50

作者：

M'Bareck, CO

Nguyen, QT ^{[1
]}

Metayer, A

Saiter, JM

Garda, MR

机构：

[1] Univ Rouen, CNRS, UMR 6522, Lab Polymer Biopolymer Membranes, F-76821 Mont St Aignan, France

[2] Univ Nouakchott, FST, Nouakchott, Mauritania

[3] Univ Rouen, LECAP, F-76801 St Etienne, France

来源：

POLYMER | 2004年 / 45卷 / 12期

关键词：

compatibility; FTIR; DSC;

D O I：

10.1016/j.polymer.2004.03.044

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Blends of poly(acrylic acid) (PAA) and poly(sodium styrene sulfonate) (PSSNa) were prepared from polymer solutions by solvent evaporation. The observed decrease in PAA-solution pH upon addition of PSSNa suggests an inter-penetration of the two polymer chains, thus the polymer compatibility, in solution. The blend compatibility was studied with the attenuated total reflection-Fourier transform infrared (atr-FTIR) and the differential scanning calorimetry (DSC) techniques. The unique and composition-dependent glass transition temperature indicates that the two polymers are compatible, but the DeltaT(g) broadening suggests a certain degree of nano-heterogeneity. The T-g of pure PSSNa which was non-detectable in DSC, was calculated from the Fox equation. From FTIR data, the polymer compatibility could be attributed to the establishment of hydrogen bonds, and dipole-ion interactions between carboxylic groups, sulfonate groups, and sodium ion on the polymer segments. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：4181 / 4187

页数：7

共 30 条

[1] MISCIBLE BLENDS PREPARED FROM 2 CRYSTALLINE POLYMERS [J].