阳离子淀粉
- 网络cationic starch
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HM-Ⅰ型阳离子淀粉的合成与结构表征
Synthesis and structural characterization of hm - ⅰ cationic starch
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阳离子淀粉对ASA乳化的影响
Effect of Cationic Starch on the Emulsification of ASA
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然后以初显分离时间和沉降率为量化指标,定量研究了低取代度阳离子淀粉的变性深度、混合比例及PVA分子结构对淀粉与PVA混合浆液的相分离行为的影响。
The separation behaviour was quantitatively evaluated by initial demixing time and subsidence ratio .
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低取代度阳离子淀粉与PVA混合浆液的相分离行为研究
Study on the Phase Separation Behaviour of the Mixed Pastes of Polyvinyl Alcohol-Low DS Cationic Cornstarch
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ASA乳化用阳离子淀粉的实验室评价
Evaluating of Cationic Starch Using for Emulsifying ASA
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高取代度阳离子淀粉对阔叶材BCTMP纸料中DCS的控制
Application of highly substituted cationic starch on DCS controlling of hardwood BCTMP
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考察了溶液pH、螯合剂用量、重金属离子初始浓度对交联阳离子淀粉去除重金属离子效果的影响。
The effects of pH , chelator dosage and initial concentration of heavy metal ions on the removal efficiency of heavy metal ions using cross-linking cationic starch were studied .
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阳离子淀粉与HPAM生成的淀淀物堵塞可在地层稳定存在3个月以上。图5表4参12。
The precipitates of cationic starch and HPAM from solution create stable blockages persistent in strata over 3 months .
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与商品两性及阳离子淀粉比较,改性PAM在提高纸张强度方面有很好的效果,尤其是在提高纸张耐折度方面显现出明显优势。
Compared with cationic and amphoteric starches , modified PAM has obvious advantages in strength improvement , especially in the folding strength of paper .
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研究了实验室自制硅铝微粒在造纸湿部与阳离子淀粉(CS)、CPAM组成的微粒系统各组分用量及剪切力对纸料助留助滤性能的影响。
In this paper a new retention and drainage aid system composed of silica / aluminum microparticle , CS and CPAM was investigated .
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应用粒子电荷测定仪(PCD)的流动电位变化判定阳离子淀粉胶体滴定的终点。
A particle charge detector ( PCD ) was applied to determine the end point of colloidal titration for cationic starch having small charge density .
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实验也对中性造纸系统中的阳离子淀粉、AKD施胶剂、C-PAM助留剂和GCC填料的电荷特性进行了调查。
Also investigated the charge characteristics of CS , AKD size , C-PAM retention aid and GCC filler .
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结果表明:采用阳离子淀粉絮凝剂,澄清时间由醇沉法的48h缩短为6h;
Experimental results showed that the clarification time was shortened to 6 h using cationic starch as flocculant while it was 48 h in ethanol subsiding method .
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传统的AKD乳液一般以阳离子淀粉做乳化剂对AKD进行乳化,但这种乳液在纤维上的留着较低,与纤维的反应较慢,施胶熟化时间长。
Traditional AKD emulsion is used cationic starch as emulsifier , which has lower retention on fibers and need a long time to be cured .
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同时,研究了pH值、药剂投加量、初始浓度、接触时间以及其它金属离子共存时对处理效果的影响,然后考察了交联阳离子淀粉对水溶液里的重金属离子的去除效果。
The influence of pH value , chemicals dosage , initial concentration , contact time and co-existence of other metal ions on treating effect , and the effect of the crosslinking cationic starch chelant on removal of heavy metal ions in aqueous solution were investigated .
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以小麦淀粉为原料,以N-(2,3-环氧丙基)三甲基氯化铵(GTA)为醚化剂制备小麦阳离子淀粉;
Wheat cationic starch was prepared from wheat starch by using 2 , 3-epoxypropyl trimethyl ammonium chloride ( GTA ) as cationic reagent .
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利用自己合成的3-氯-2-羟丙基三甲基氯化铵(简称CTA)阳离子淀粉,对其在造纸上的应用过程进行了较为详细的研究,取得了成功。
The investigation about the application of CTA cation starch used as an assist agent in paper making has been studied . CTA is 3-chloro-2-hydroxypropyl tri-methyl ammonium chloride . The optimum results were gained .
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阳离子淀粉衍生物HY-6的净水性能
Water Purifying Capacity of Cationic Starch Derivative HY-6 as Flocculant
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阳离子淀粉能在PCC表面很好的包覆,影响包覆情况的主要因素有阳离子淀粉相对于PCC的添加量、PCC分散液的固含量、剪切力和反应时间。
Cationic starch can form a good coating on PCC surface , the main factors affect the coating conditions are the amount of cationic starch , PCC dispersions of solid content , shear force and reaction time .
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研究了其不同制备工艺条件下复合薄膜的增强作用。同时,将所制成的NCC与改性阳离子淀粉共混用于漂白蔗渣浆的抄纸增强研究,探讨了NCC对漂白蔗渣浆的增强作用。
At the same time , the NCC blend with cationic starch is used for bleached bagasse pulp papermaking enhancement study and the enhancement of NCC for bleached bagasse pulp was explored .
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结果表明:阳离子淀粉合成最佳条件是氢氧化钠4.2g,醚化剂10mL,淀粉乳浓度45%,加热时间9min。
The result shows that the optimum conditions are as follows : sodium hydroxide amounts 4.2 g , etherifying agent amounts 10 mL , starch milk thickness amounts 45 % , heating time 9 min.
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对玉米淀粉及其衍生物氧化淀粉、两性淀粉、阳离子淀粉,马铃薯淀粉及其衍生物丙烯酰胺接枝马铃薯淀粉的PY-GC/MS研究,获得了玉米淀粉热裂解的特征化合物以及改性淀粉之间热裂解的差异。
In the PY-GC / MS analysis of cornstarch , oxidized cornstarch , positive ion cornstarch , potato starch and graft polymerization of potato starch and acrylamide , cornstarch 's pyrolytic characteristic products and pyrolytic difference of those modified starch were obtained .
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介绍了阳离子淀粉醚的研究过程,理想反应时间为7.5h~8h,反应温度为50℃。
The study process of cationic starch ether was introduced in this paper . The ideal conditions are : reaction time 7.5 h ~ 8 h , reaction temperature 50 ℃ .
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最后对ETA和阳离子淀粉在油田化学品,如钻井液处理剂、油田水处理剂、粘土稳定剂以及其他方面的一些应用性能进行了评价。
Finally , the application of ETA and cationic starch in the oil field chemicals , namely oil based drilling fluid treatment agent , water treatment agent in oil field , clay fixing agent and other uses are evaluated .
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以玉米淀粉及3氯2羟丙基三甲基氯化铵(CHPTMA)为原料,NaOH为催化剂,采用微波干燥法制取可用于造纸的低取代度季铵型阳离子淀粉。
Cationic starch with low degree of substitution of quaternary ammonium groups was prepared by reacting 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride ( CHPTMA ), and the catalyst NaOH with dry corn starch , The reaction was induced by microwave radiation .
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研究结果表明,干法制备阳离子淀粉的最佳工艺条件为:碱粉比0.13,水粉比0.23,反应温度75℃,反应时间2.5h。
The results showed that the optimal reaction conditions of preparing cationic starch using dry process were hydroxide sodium / starch : 0.13 , water / starch : 0.23 , temperature : 75 ℃ and reaction time : 2.5 h.
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为更好地解决阴离子垃圾对施胶效果的影响,尤其是改善AKD中性施胶的施胶效果,采用电荷密度更高的聚合物(PEI、PDADMAC)代替阳离子淀粉对阴离子垃圾进行捕集。
In order to eliminate the influence of anionic trash on AKD neutral sizing and improve the sizing degree of the paper , the polymers ( PEI , PDADMAC ) with higher charge density were used to replace the cationic starch in this paper .
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本文采用高取代度季铵型阳离子淀粉、氨基烯烃聚合物以及紫外线吸收剂BP-4接枝氨基烯烃聚合物作为阳离子化试剂对棉纤维进行物理改性,用于活性染料无盐竭染。
Cationic starch of quaternary ammonium type with high DS , polyamines and polyamines grafted with UV-absorber BP-4 were applied as cationic agents of cotton in salt-free dyeing of reactive dyes .
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阳离子淀粉改性双氰胺&甲醛絮凝剂的合成及其应用研究
The Synthesis of Cationic Starch Modified Dicyandiamide-formaldehyde Flocculant and Its Application
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干法合成阳离子淀粉絮凝剂的初步研究
Preliminary research on synthesis of cationic starch flocculant by dry way