AN INVESTIGATION INTO THE NATURE OF CHARGE ON THE SURFACE OF PAPERMAKING WOODPULPS .1. CHARGE PH ISOTHERMS

被引：45

作者：

HERRINGTON, TM

PETZOLD, JC

机构：

[1] Department of Chemistry, University of Reading, Reading

来源：

COLLOIDS AND SURFACES | 1992年 / 64卷 / 02期

关键词：

CELLULOSE; PAPERMAKING; POTENTIOMETRIC TITRATION; SURFACE CHARGE; WOODPULP;

D O I：

10.1016/0166-6622(92)80088-J

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：

The specific surface charge of various papermaking woodpulps was determined at 25-degrees-C as a function of pH and ionic strength. The hardwood pulps studied were bleached Eucalyptus globulus sulphate (Soporcell and Ceasa), bleached Eucalyptus grandis sulphate (Aracruz) and bleached Betula verrucosa sulphate (Olu Birch and Husum White Birch), and the softwood pulp was bleached pine/spruce sulphate (Husum Extra White and Stora 32). All were used in the same dried-sheet form as supplied to papermills. The effect of refining on the surface charge was investigated and the specific charge on fines and fibres from the same pulp was compared.

引用

页码：97 / 108

页数：12

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