XPS INVESTIGATIONS OF ACID-BASE INTERACTIONS IN ADHESION .4. USE OF TRICHLOROMETHANE AS A MOLECULAR PROBE FOR THE QUANTITATIVE ASSESSMENT OF POLYMER BASICITY

被引：20

作者：

CHEHIMI, MM ^{[1
]}

WATTS, JF ^{[1
]}

ELDRED, WK ^{[1
]}

FRAOUA, K ^{[1
]}

SIMON, M ^{[1
]}

机构：

[1] UNIV SURREY,DEPT MAT SCI & ENGN,GUILDFORD GU2 5XH,SURREY,ENGLAND

来源：

JOURNAL OF MATERIALS CHEMISTRY | 1994年 / 4卷 / 02期

关键词：

D O I：

10.1039/jm9940400305

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Trichloromethane has been used as a molecular probe for the assessment of acid-base properties of polymers in the solid state. It is shown in this paper that when CHCl3 is sorbed in polymers it undergoes a negative XPS chemical shift as a result of acid-base interactions. Following the FTIR approach of Fowkes, we determined DELTAH(AB), the enthalpy of acid-base adduct formation, for the different polymer-CHCl3 adducts, and found that the XPS binding energy (E(b)) of the Cl 2p3/2 line is linearly related to DELTAH(AB). The relationship is of the form -DELTAH(AB)/kcal mol-1=228.8-1.14 E(b)/eV.

引用

页码：305 / 309

页数：5

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