磺化剂
- 名Sulfonating agent;sulphonating agent
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介绍了以液体SO2为原料生产用作磺化剂的气态SO3的工艺过程。
The process of SO 3 production as sulphonating agent from liquid SO 2 is introduced .
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碱抽提后再进行磺化反应,采用化学试剂A作为磺化剂,提高硝基腐植酸对水泥的分散效果。
After extraction by sodium hydroxide , chemical agent named A is used as sulphonating agent for increasing dispersion of nitro humic acid on cement in sulfonation reaction .
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用R3N·SO3为磺化剂合成甜蜜素的新工艺研究
Synthesis of Sodium Cyclamate Using R 3N · SO 3 as Sulfonating Agent
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NF脂肪族系高效减水剂系是以丙酮、甲醛为主要原料,辅以适量磺化剂、引发剂,在一定反应条件下合成的新型高性能减水剂,是一种羟基磺酸盐高缩合物。
NF acyclic superplasticizer has been made mainly of acetone and formaldehyde under certain reaction conditions .
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研究了以大庆馏分油为原料,以发烟硫酸为磺化剂制备天然石油磺酸盐(NPS)的工艺。
The preparation process of natural petroleum sulfonates ( NPS ) was studied making of Daqing distillate oil as feed stock and oleum as sulfonated agent .
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以浓硫酸为溶剂,氯磺酸为磺化剂对聚醚砜(PES)进行了磺化,制备了不同磺化度的磺化聚醚砜(SPES)。
Modification of polyethersulfone ( PES ) by sulfonation with chlorosulfonic acid as sulfonation agent and concentrated sulfuric acid as solvent was carried out .
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本文以聚苯乙烯为原料,以乙酰硫酸酯为磺化剂制得了具有不同磺化度的聚苯乙烯磺酸(PSSA)。
Polystyrene sulfonic acid ( PSSA ) with different sulfonated degrees was prepared by the reaction of PS with acetylsulfuric ester .
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以氯磺酸为磺化剂制备了一系列不同磺化度的磺化聚苯醚(SPPO)。
Sulfonated poly ( phenylene oxide )( SPPO ) s with different sulfonation degrees were prepared by using chlorosulfonic acid as sulfonation agent .
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以硫酸为磺化剂,将聚芳醚酮酮进行磺化制得了磺化聚芳醚酮酮(SPEKK)。
The sulfonated poly aryl ether ketone ketone ( S PEKK ) with various sulfonation degree was prepared by reaction of PEKK with sulfuric acid as sulfonating agent and solvent .
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以环己烷为溶剂,浓硫酸和丙酸酐为磺化剂,采用非均相磺化方法,在少量分散剂作用下,制备了不同磺化度的磺化聚苯乙烯(SsPSH);
A sulfonated polystyrene ( SsPSH ) was prepared in cyclohexane with propionic anhydride and sulfuric acid by a novel solid-liquid heterogeneous phase sulphonation process .
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以磺化剂的不同,分别列出反应通式和各种磺化产物;
The general equation of reaction and the sulfonated bodies were particularized respectively ;
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三氧化二铝柱层析法分离大豆磷脂中磷脂酰胆碱的研究用三氧化硫·二氧六环作磺化剂合成甜味素
Saparation of Phosphatidylcholine by the Al_2O_3 Column Chromatography Synthesis Sodium Cyclamate by using Sulfur Trioxide Dioxane
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以石油焦为原料、浓硫酸为磺化剂,通过磺化反应制得磺化石油焦酸催化剂。
The sulfonated oil coke was prepared from oil coke by sulfonation with H2SO4 as sulfonation agent .
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第一种是先将苯乙烯单体接枝到聚偏氟乙烯主链上,再加入磺化剂对其磺化。
The first one , styrene monomers graft onto PVDF main chain at first , then sulfonate them later on .
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与亚硫酸氢钠做磺化剂所得减水剂比较,改性后减水剂的减水率及混凝土强度有明显提高。
Compared with common melamines superplasticizer , the modified melamine superplasticizer has much higher water reduction and even better strengthening performance .
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以大庆糠醛抽出油为原料,发烟硫酸为磺化剂,合成了石油磺酸钠。
Sodium petroleum sulfonate ( SPS ) was synthesized with furfural extracted oil as raw material and oleum as sulfonated agent .
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探讨了磺化剂用量、反应温度、反应时间、反应介质等因素对产物磺化度的影响,确定了磺化反应的最佳工艺条件。
The optimum sulfonation conditions were determined based on the study of the amount of sulfonating agent , temperature and reaction time .
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我们分别以氯乙酸和氯乙酸乙酯为原料,亚硫酸钠为磺化剂合成了目标产物。
The target product was synthesized by using chloroacetic acid and ethyl chloroacetate as raw material and sulfite sodium as sulfonating agent .
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利用不同的加料方法和不同加料顺序合成了聚苯乙烯/丙稀酸共聚物,并在吡啶中以发烟硫酸为磺化剂进行磺化制得磺化苯乙烯/丙烯酸(St/AA)共聚物。
The sulfonated copolymers of styrene and acrylic acid ( St / AA ) were synthesized by using different feed methods and different feed sequences .
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采用正交试验法,考察了磺化剂用量、磺化时间、缩合剂用量以及缩合时间对分散剂性能的影响。
The effect of dosage of sulphonation and condensation agents , sulphonation and condensation time on properties of the dispersing agent was studied with orthogonal test method .
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研究了溶剂、催化剂、磺化剂的种类及用量、反应条件对磺化率的影响。
It was investigated that the effects of type and amount of sulfite and catalyst as well as solvent , temperature and time of reaction on sulfonation .
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优化了有机溶剂溶解-沉淀分离方法,有效地去除残留磺化剂,并有较高的收率(96%以上)。
After optimization ( organic solvent ) of dissolution-precipitation separation method , effective removal of residual sulfonating agent and high yield ( over 96 % ) were achieved .
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以三氧化硫·二氧六环作磺化剂合成甜味素,取得了最佳工艺条件,总收率可达94.8%,产品纯度在98.2%以上。
The optimum conditions for synthesizing sodium cyclamate by using sulfur trioxide dioxane as sulfonating agent were investigated . The yield of sodium cyclamate is around 94.8 % and the purity is more than 98.2 % .
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结果表明,增加丁基橡胶的浓度和磺化剂的用量,升高反应温度,丁基橡胶的磺化反应速度加快,延长反应时间能提高产物的磺化度。
It was indicated that sulfonation rate of butyl rubber increased with concentration of butyl rubber or acetyl sulfate , and increased with temperature of reaction . Degree of sulfonation of the resulting products increased with sulfonation time .
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本文选择发烟硫酸(50%)作为磺化剂所得的活性物含量最高,选择单烷基二苯醚与发烟硫酸摩尔比为1.0:1.6较为合适,产品活性物含量达到58.4%。
This choice fuming sulfuric acid ( 50 % ) as sulfonating agent obtained the highest content of active matter , choose one alkyl ether and fuming sulfuric acid molar ratio of 1.0:1.6 more appropriate product to 58.4 % active matter content .
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正电胶与聚合物,磺化处理剂复配使用时有很好的互补性。
MMH , polymer and sulphonated additives will reveal good coordination effect when they are mixed by a certain concentration .
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就塔拉栲胶、磺化加脂剂在无铬鞣中,特别是植铝鞣的鞣制及以后工序对其所鞣革的影响作了一些研究,主要针对在工业上的应用。
In this paper , it has been studied that TARA extract and sulphonated fat-liquor are used in the chrome-free process , especially vegetable-aluminium tannage in order to apply it in the tannery .
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经过阅读大量文献以及实验,我们确定了以磺化栲胶为主剂,多聚甲醛为交联剂,尿素为增粘剂、对苯二酚为稳定剂的堵水体系。
Reading a lot of papers and experiments , we define sulfonated tannin as the main agent , polyformaldehyde as the cross-linking agent , urea as the thickening agent , hydroquinone as stabilizer .
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磺化后的吸附剂用于牛奶中三聚氰胺的分离富集并获得了较高的回收率。
Sulfonated sorbents were used for extracting melamine in milk , and got a higher recovery .
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研究了磺化时间、磺化剂用量等因素对木质素磺化度、木质素染料分散剂热稳定性及分散性的影响。
Effects of reaction time , reaction temperature and sodium sulfite amount on the lignin sulfonation , heat stability and dispersibility of dispersing dyestuff were examined .