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- Keywords reactive paper strength agent;polyacrylamide;Hofmann reaction;mechanisms; 反应性纸张增强剂;聚丙烯酰胺;霍夫曼反应;机理;
- Effects of Monomer Ratios in the Emulsion Polymerization of Polyacrylic-ester on Its Performance as a Paper Strength Agent 聚丙烯酸酯乳液型纸张增强剂的组分与性能间相关性研究
- paper strength agent 纸张增强剂
- With content of GCC increase, the paper strength increases, but whiteness and content of ash decreases. 随着研磨碳酸钙含量提高,卷烟纸强度性能提高,但白度、灰分和透气度指标有所降低。
- It can be used as the retention drainage aid, strength agent and flocculant agent. 作为造纸助剂聚丙烯酰胺可用作助留助滤剂、增强剂、分散剂及絮凝剂等。
- The early strength agent of Na 2SO 4 can increase the heat of hydration and temperature raise, meanwhile it advances the advent of the thermal spike. Na2 SO4 早强剂会提高水化热和温升 ,且使热峰出现时间提前。
- 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。
- Anionic starch and chitosan are used as dual additives in this paper.The dual additives canimprove paper strength and filler retention effectively. 本文用阴离子淀粉与壳聚糖作为双助剂共用,对提高纸张的物理强度和填料留着率进行了研究。
- Progress of Wet Strength Agent in Paper Industry 造纸湿强剂的进展
- The study results showed that paper strength,sizing efficiency and ash content of the sheet with AKD-LT sizing increased significantly. 应用结果表明,经AKD-LT施胶后,纸的强度、施胶度和灰分含量等都有较大的提高。
- Guar gum derivatives are used as retention and drainage aids, as well as dry strength agent in the papermaking industry.The potential application in the future is pointed out. 论述了瓜儿胶衍生物在造纸湿部作为助留助滤剂、增强剂的应用,并指出今后的发展前景。
- The mixtures of the starch and polyvinylamine(PVAm) showed significant effects on the improvement of paper strength,draining and retention of the pulp. 研究了混合细化剂对四种不同铝含量的高铝锌合金室温下组织和力学性能的影响。
- Guar gum derivatives are used as retention and drainage aids,as well as dry strength agent in the papermaking industry.The potential application in the future is pointed out. 论述了瓜儿胶衍生物在造纸湿部作为助留助滤剂、增强剂的应用,并指出今后的发展前景。
- Comparing with the control experiments, the CMC addition can increase the beating degree, WRV, and the bonding between the fibers as well as the paper strength. 与空白试样相比,CMC辅助打浆能提高竹浆的打浆度、保水值、纤维间的结合力及成纸强度。
- Effects of polyvinylamine prepared by basic hydrolysis of poly(N-vinylformamide) on paper strength, drainage and retention of reed pulp and wheat straw pulp were investigated. 研究了由聚N-乙烯基甲酰胺的碱性水解得到的聚乙烯胺在芦苇浆和麦草浆造纸中对纸张的增强、助滤和助留作用。
- Moreover,the increase of S/C ratios suggested that there was a higher lignin sulfonation degree on the fiber surface,Which is a main reason led to higher paper strength. S/C的提高则表明爆破使纤维表面的木素磺化度提高,这是引起爆破浆强度高的原因之一。
- The damage factors suitable for recycled fiber damage were defined elementally, with which evolvement rules of paper strength with damage variables were studied. 最后本文引入了损伤力学理论,初步定义了适合二次纤维损伤的损伤变量,研究了纸页强度性能随损伤变量的演化规律;
- This text introduces some way to improve the early strength of lime-flyashed stabilized macadam from aspects of raw material, grading of aggregates, early strength agent, and construction, and presents comprehensive and systematic analysis to it. 摘要从所用原材料、集料级配、早强剂以及施工养生等方面介绍了提高二灰稳定碎石基层早期强度的措施,并对其进行了系统的分析。
- Shijiazhuang Petrochemical Co., Ltd. expeditionary operating a variety of chemical products, wet strength agent, neutral gum, protopine, paraffin, palm wax, stearic acid and so on. 石家庄远征石油化工有限公司经营多种化工产品,湿强剂,中性胶,片碱,石蜡,棕榈蜡,硬脂酸等。