EFFECTS OF DIFFERENT MICROORGANISMS ON PULP AND PAPER PROPERTIES

被引：1
|
作者：
NAGIEB, ZA
HELMY, SM
ELGAMMAL, A
机构：
[1] Laboratory of Microbial Chemistry, National Research Center, Dokki, Cairo
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 1994年 / 33卷 / 04期
关键词：
D O I：
10.1080/03602559408010740
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Pretreatment of wood chips with some microorganisms including white-rot fungi and streptomyces improves the strength properties of mechanical pulps. We studied the effect of these white-rot fungi and streptomyces on the mechanical properties of handsheets. Strength and optical properties were compared in handsheets prepared from mechanical pulp of treated and untreated wood chips. The fungal pretreatments resulted in handsheet strength properties better than the control and also better than streptomyces when compared at an equivalent freeness. Fungal pretreatments decreased brightness and light-scattering coefficients but did not adversely affect opacity. Lignin content of the chips was reduced by fungal pretreatments.
引用
收藏
页码：457 / 464
页数：8
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