查询词典 sulphonate

It was verified that when the content of anionic alkyl sulphonate was over 10% by mass fraction in the compound, there had an obvious synergistic action in the antistatic efficiency for PP.

浙江大学高分子工程研究所浙江杭州310027 (贺天禄；李宝芳；罗英武)；浙江大学高分子工程研究所浙江杭州310027王雷

The hydrophobically associating interactions of the copolymer PASA with acrylamide, styrene derivative and sodium-2-acrylarnido-2-methylpropane sulphonate in aqueous solution were studied by flourescent probe.

通过荧光探针研究了丙烯酰胺-苯乙烯衍生物-2-甲基－2-丙烯酰胺基丙磺酸钠共聚物在溶液中的疏水缔合作用。

At present, the methyl sulphonate series products have been used by some developed countries for changing this state.

目前，发达国家已经采用了甲基磺酸盐系列产品来改变这一状况。

L^(-1) 2 mL. The graft copolymer's thermolysis tempreture reached 389℃ by DSC analysis, it improves 48℃ compared with the LV-PAC. It was illustrated that the heat-resistance of LV-PAC could be effectively improved by grafting sulphonate.

DSC分析表明接枝后所得共聚物的热分解温度达到了389℃，比LV-PAC提高了48℃，说明通过接枝磺酸盐的方法可以有效地提高LV-PAC的耐热稳定性。

Difficulty: Hydrolytic methods of sulfonic acid, sulphonate and amido.

难点：磺酸及其盐类的水解、氨基的水解。

The sodium sulphonate of ethoxylated acrylic modified rosin can be obtained from acrylic modified rosin after the reaction with ethylene oxide and then be sulphonated with chlorosulphonic acid.

以松香为原料，用丙烯酸进行改性后再与环氧乙烷聚合，然后用氯磺酸进行磺化处理制得丙烯酸改性松香聚氧乙烯醚磺酸钠阴离子表面活性剂。

Experiments are carried out to study the effects of several anions on the photocatalytic degradation rates of sodium dodecyl\ benzene sulphonate.

研究了存在于水环境中的若干重要阴离子对表面活性剂十二烷基苯磺酸钠光催化降解速率的影响。

Accordingly a further feature of the invention is a combined process wherein a dialkyl phenylethylmalonate is made from an alkyl phenylacetate and a dialkyl carbonate by a process comprising adding to a quantity of sodium which is covered with a hydrocarbon solvent boiling above 100°C, at least a chemically equivalent proportion of a lower aliphatic alcohol, subsequently adding an approximately equivalent proportion of a dialkyl carbonate and of an alkyl phenylacetate, heating the mixture to induce reaction and continuously distilling out the alcohol formed from the reaction zone and finally causing the sodio diethyl phenylmalonate so obtained to interact with an ethylating agent, such as ethyl halide, diethyl sulphate of ethyl p-toluene-sulphonate.

因此，本发明的另一个应用是一个组合工艺过程：二烷基苯基乙基丙二酸酯由烷基乙酸苯酯和二烷基碳酸酯得到，具体工艺过程是：向覆盖有沸点超过一百摄氏度的团庆化合物溶剂的金属钠中添加至少化学平衡的低级脂肪族醇，然后加入大约相同当量的二烷基碳酸酯和烷基乙酸苯酯，加热混合物引导反应进行，持续蒸馏把形成的醇类从反应区域移出，最后使获得的二乙基苯基丙二酸酯和乙基化试剂如卤代乙烷，二乙基硫酸酯形成乙基p-甲苯磺酸酯。

At thenormal production condition sulphonate-barium content variety in the 13.69~19.45%,the shallow sulphonation refining oil of sulphonate-barium content was 15.47%among the normal data.

在正常工业生产中，磺酸钡含量在13.69～19.45%之间变化，浅度磺化试制的石油磺酸钡含量为15.74%，介于正常生产数据之间，这表明采用浅度磺化工艺完全可以生产出合格的石油磺酸钡添加剂。

Adopting condensation copolymerization between alkylphenol polyoxyethylene ether and methyl aldehyde and using concentrated sulfuric acid sulfonation, which it with sodium hydroxide neutralization, finally acquired sulphonate anionic surfactant, utilize as temperature resistance 、mineral salt tolerance for heavy oil viscosity reducer , research on the performance evaluation, the result indicate, the amount of sulphonate anionic surfactant to be used at 0.2wt%, viscosity reducer rate reached 92.1%; added with 0.5wt%, the calcium and magnesium ions resistance in mineral water up to 800mg/L.

采用辛基酚聚氧乙烯醚和甲醛的共缩聚物与浓硫酸磺化后，再用氢氧化钠中和后得到磺酸盐阴离子表面活性剂作耐温抗矿盐稠油降粘剂，并对其进行性能评价，结果表明，辛基酚聚氧乙烯醚甲醛共缩聚物磺酸盐阴离子表面活性剂加量为0.2wt%时，降粘率高达92.1%，抗钙、镁离子能力达800mg/L。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。