unbleached pulp

The contents of NPEs in different raw material and unbleached pulp are discussed .

探讨了非过程元素在不同原料和未漂浆中的含量。

Direct dyes had a better dyeing result to bleached chemical pulp than to unbleached pulp .

直接染料对漂白化学浆的染色比未漂浆的染色效果更好；

The strength of the bleached pulp is also compared with unbleached pulp .

并对漂后浆的物理性能与原浆进行了比较。

The color of the unbleached pulp is dark and with a little violet .

当纸浆硬度适中时，浆中紫颜色不影响漂白。

IR analysis shows that the crystallinity index of the bleached pulp is lower than that of unbleached pulp .

IR分析表明：臭氧漂白引起纤维素结晶指数下降。

The results show that the lignin removal rate of the unbleached pulp can reach 40.2 % after the oxygen delignification treatment .

结果表明，经氧脱木素处理，未漂浆的木素脱出率可达40.2%。

The metal ion species in unbleached pulp come mainly from the wood and they are in close relationship with the water used , the added chemicals and metallic apparatus .

未漂浆中的金属离子主要来源于原料，也受实验用水、金属设备及添加的化学药品等影响；

But , according to the study on Mg ( OH ) 2 as part of alkali sources , increasing Mg2 + usage could bring down the brightness of unbleached pulp .

但是，通过对Mg（OH）2作为部分碱源的研究来看，镁用量的升高会导致白度下降。

, Ltd. It introduces the differences of the unbleached pulp properties , the main technological process , technological conditions , equipment and consumption of bleaching agent and the bleached pulp properties .

介绍了两者的漂前浆性质、漂白主要工艺流程、工艺技术条件、主要设备、主要消耗、漂后浆主要性质等方面的差异。

The results show that pretreatment prior to TCF bleaching is an important measurement to upgrade the profile of metal ions of unbleached pulp , and to improve the bleaching response .

结果说明，纸浆无污染漂白前的预处理是改善未漂浆金属离子分布，提高漂白效果的重要措施；

It showed that the washing cleanliness of unbleached pulp has vital effect on the bleaching process . The worse the washing cleanliness is , the higher the chlorine consumption of filtrate is , also the chlorine consumption of bleaching is higher .

研究表明，纸浆洗净度对漂白过程影响较大，纸浆洗净效果愈差，水氯耗愈高，漂白氯耗也愈高；

Improving Wet Strength of Unbleached Kraft Pulp through Laccase Catalyzed Oxidation

漆酶活化木素提高未漂硫酸盐浆的湿强度

Study on Crosslinking of Unbleached Kraft Pulp Catalyzed by Peroxidase

未漂硫酸盐浆过氧化物酶催化交联的研究

Appropriate rare earth complex was introduced to protect carbohydrates from degradation in oxygen bleaching of unbleached kraft pulp .

过氧化苯酰-食用漂白剂硫酸盐木浆氧漂处理中，加入适量的稀土络合物助剂，能起到保护碳水化合物的作用。

A Study on the Production of Hardwood Dissolving Pulp by the Bisulfite Process & Reactions Between Chlorine Dioxide and Unbleached Birch Pulp

阔叶材亚硫酸盐法制取人纤浆的研究&二氧化氯与白桦未漂浆反应的若干问题

The Retentivity of Metal Ions in Unbleached KP-AQ Pulp of Masson Pinewood

马尾松KP-AQ未漂浆中金属离子滞留性能的研究

The unbleached kraft pulp was dealt with a high-shear fiber kneader , moreover , the pulp properties and paper strength properties were measured .

用高剪切纤维离解机对未漂白硫酸盐浆进行处理，并测定了纸浆的性能和浆张物理性能。

The dynamic mechanical properties of three kinds of paper cone material , including bleached softwood kraft pulp , bleached cotton pulp and unbleached hemp pulp were studied .

利用动态力学分析仪研究了纸质振膜材料的动态力学性能，以及打浆、纸浆种类和化学助剂对纸质振膜材料的密度、弹性模量和损耗因子的影响。

The influence of laccase and laccase-mediator system treatment on tensile strength , wet strength in particular , and brightness of unbleached kraft pulp was studied in this paper .

研究了漆酶和漆酶/介体体系处理对未漂硫酸盐浆强度和白度的影响。

Trees from twenty open pollinated families of masson pine were chipped , screened and pulped using the kraft process to investigate the genetic differences of properties of unbleached kraft pulp between the families .

对13年生20个马尾松自由授粉家系100株树木进行硫酸盐法制浆试验，研究未漂硫酸盐木浆品质和物理性能在家系间的遗传差异。

Comparison on methanol extractives of bamboo , pine and Eucalyptus SCMP showed , methanol extractives content of unbleached pine pulp was the highest , about 0.57 % ; after hydrogen peroxide bleaching , methanol extractives content was decreased differently .

对比慈竹、马尾松和尾叶桉SCMP的甲醇抽出物可知，马尾松未漂浆中的甲醇抽出物含量最高，为0.57%；过氧化氢漂白后出现不同程度的下降。

The brightness of unbleached explosion pulp is lower . So it was hard to bleach . After the two-stages bleaching of P-P or H-P process , the latest brightness could not reach to 40 % ( ISO ) .

未漂蔗渣爆破浆白度很低，其可漂性差，经过P-P两段漂或H-P两段漂处理后，白度均低于40%。

The influence factors on the color and quality of the unbleached larch kraft pulp is investigated .

主要研究影响KP法落叶松未漂浆的颜色及质量的因素。

The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied .

结果表明，原料及未漂浆中都含有复杂的金属离子；

The change in brittleness of unbleached wheat straw pulp avd the reasons during beating in a PFI mill are investigated in this work .

本文研究了打浆过程中麦草浆的脆性变化及其原因。

This paper relates to the beating greasy pulp of unbleached wheat straw pulp by thermoplastic material plates in φ 330 disc refiner and in comparison with the beating of the same pulp by basalt material plates .

本试验在φ330盘磨中采用塑性材质对麦草浆进行打粘状浆的特性研究，并与用玄武岩材质磨盘打浆进行了比较。

Thickness swelling decreased to 25.3 % . Unbleached softwood Kraft pulp with high lignin content was treated by Fenton reagent . The crystalline of fiber was decreased by 8.4 % . Viscosity of cellulose was reduced by 25.7 % .

木素含量较高的未漂针叶木硫酸盐浆经芬顿试剂处理后，纤维的结晶度降低了8.4%，粘度也有所降低，降低了25.7%。

The profile of metal ions in Masson pinewood is researched by means of SEM EDAX and atomic absorption spectrometer . The content and retentivity of metal ions in unbleached KP AQ pulp of pinewood are studied .

用扫描电镜能谱仪（SEMEDAX）及原子吸收光谱仪研究了马尾松的金属离子分布及马尾松硫酸盐蒽醌（KPAQ）法未漂浆中金属离子的分布及滞留性能。

Unbleached softwood kraft pulp was treated with a biomimetic bleaching system , i.e. GIF system comprised of Cu2 + / Pyridine / H2O2 and the changes of kappa number , brightness , viscosity of the pulp after biomimetic treatment were analyzed .

采用Cu2+/吡啶/H2O2构成的GIF有机仿酶降解体系进行了针叶木硫酸盐浆的漂白研究，并探讨了漂白过程中纸浆卡伯值、粘度和白度的变化规律。