EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*

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EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*

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- EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*
- EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*
- 高分子科学（英文版） 2004年22卷第1期页码：49-53
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- 纸质出版：2004-02-20
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EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*[J]. 高分子科学（英文版）, 2004,22(1):49-53.

EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*[J]. 2004, 22(1): 49-53.
EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*[J]. 高分子科学（英文版）, 2004,22(1):49-53. DOI：

EXAMINATION OF THE SURFACE FREE ENERGY AND ACID-BASE PROPERTIES OF CELLULOSE BY THE COLUMN WICKING TECHNIQUE AND THE CRITICAL PACKING HEIGHT/DENSITY*[J]. 2004, 22(1): 49-53. DOI：

摘要

The column wicking technique was applied to estimate the surface free energy of cellulose

the importance of which is to obtain a real effective capillary radius

Reff

initially from the plot of Washburn penetration distance versus time.Since the cellulose sample could not be packed with good reproducibility

therefore

Reff can not be obtained readily from the slope of the plot. A method was developed in this paper by uniting all apparent packing heights with a unique value to deduce a real effective capillary radius. Based on the defined critical packing height related to the critical packing density

the surface free energy and acid-base properties of cellulose Sigma C8002 were estimated.

Abstract

The column wicking technique was applied to estimate the surface free energy of cellulose

the importance of which is to obtain a real effective capillary radius

Reff

initially from the plot of Washburn penetration distance versus time.Since the cellulose sample could not be packed with good reproducibility

therefore

the surface free energy and acid-base properties of cellulose Sigma C8002 were estimated.

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