Effect of totally chlorine free and elemental chlorine free sequences on whole stem kenaf (Hibiscus cannabinus) pulp characteristics

被引：8

作者：

Ashori, A

Raverty, WD

Harun, J

机构：

[1] IROST, Tehran, Iran

[2] Commonwealth Sci & Ind Res Org, Clayton, Australia

[3] Univ Putra Malaysia, Inst Adv Technol, Bioengn Lab, Selangor, DE, Malaysia

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2006年 / 45卷 / 02期

关键词：

pulp bleaching; kraft pulp; pulp properties; kenaf; selectivity;

D O I：

10.1080/03602550500373824

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Totally chlorine free (TCF) and elemental chlorine free (ECF) single and multistage sequences were used to bleach whole stem kenaf pulp. The results indicated that in contrast to unbleached kraft wood pulps, kraft kenaf pulps can be easily bleached to a brightness of 91.4% using a four-stage TCF [Q1(PO)Q(2)P] bleaching sequence. The ECF bleaching pulps had slightly higher selectivity and yield than those of the TCF bleached pulps. The strength properties of the TCF [Q(1)(PO)Q(2)P] and ECF (D1ED2EP) bleached pulps were comparable, with the exception of tear index and tensile index, which were slightly higher and lower for TCF pulps, respectively.

引用

页码：205 / 211

页数：7