本发明的主题是由相应的二羟基苯二磺酸制备二羟基苯二磺酸金 属盐、优选二羟基苯二磺酸碱金属盐的方法。
The subject matter of this invention is a method for preparing metallic dihydroxybenzenedisulfonates, preferably from alkaline metals, from corresponding dihydroxybenzenedisulfonic acids.
当以甲基磺酸锌为催化剂时，苯甲醛缩乙二醇的收率可达87.7%。
The yield of benzaldehyde glycol acetal was above 87.7% with zinc methanesulfonate as catalyst.
介绍了表面活性剂烷基二苯醚二磺酸盐的合成、生产及应用情况。
The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed.
介绍了用溶剂析出法分离间苯二甲酸二甲酯磺酸钠生产废水中硫酸钠和间苯二甲酸二甲酯磺酸钠的新工艺。
A new process using solvent for separating sodium sulfate and dimethyl isophthalate sodium sulfonate from wastewater of dimethyl isophthalate sodium sulfonate production is introduced.
用8羟基喹啉、甲醛、间苯二酚及苯磺酸钠作原料合成了一种螯合树脂。
Formaldehyde 8 hydroxyquinoline sodium benzene sulfonate resorcinol copolymer described as chelating ion exchange resin was synthesized.
报道了以烷基苯磺酸甲酯催化异构亚磷酸三甲酯合成甲基膦酸二甲酯。
The synthesizing of dimethyl methyl phosphonic acid ester with trimethyl phosphite was catalyzed by methyl alkylbenzenesulfonate.
在硫酸介质中，二苯胺磺酸钠可被过氧化氢氧化生成二苯联苯胺磺酸紫。
It's found that in sulphuric acid medium, sodium diphenylamine sulfonate can be oxidized by hydrogen peroxide and produce two benzene allied purple.
以对四苯磺酸为催化剂，由乙二醇和乙酸合成了二乙酸乙二醇酯。
Ethylene glycol diacetate was synthesis from ethylene glycol and acetic acid by using p-toluene sulphonic acid as catalyst.
综述了近20年来涤纶染色改性剂间苯二甲酸二甲酯- 5 -磺酸钠(SIPM)合成研究进展。
The research progress in synthesis of sodium dimethyl isophthalate-5-sulfonate (SIPM), a dye modifier for PET fibers, was reviewed in recent 20 years.
研究了作为制备新型内硝基冠醚原料的中间体2-硝基-1，3-苯二酚（NB）及多甘醇双对甲苯磺酸酯（OEDT）的合成。
Synthesis of 2 nitro 1,3 benzenediol( NB) and oligoethyleneglycol ditosylate(OEDT) used as material for inner nitrocrown ether are studied.
一种清除口香糖残渣的清除剂由二硫化碳、二氯甲烷、乙酸乙酯、司班-80、环己酮及十二烷基苯磺酸钠及水组成。
The scavenging agent for scavenging the chewing gum residual consists of carbon disulfide, methylene dichloride, ethyl acetate, span-80, cyclohexanone, sodium dodecyl benzene sulfonate and water.
采用离子色谱法同时测定合成药物中存在的四氟硼酸根、对甲基苯磺酸根、硫酸根、1，4-丁二磺酸根4种离子。
A new method of simultaneous separating and determining tetrafluoroborate, p-toluene sulphonic acid, sulfate radical and 1,4-Butanedisulfonie acid by ion chromatography was established.
本发明公开了一种化工技术领域的含磺酸盐基的二羧基二苯砜及其制备方法。
The invention discloses a dicarboxyl diphenyl sulfone containing sulfonate group belonging to the technical field of chemical industry and a preparation method thereof.
本发明涉及二元烷基苯磺酸稀土催化剂及制法和应用。
The invention relates to a binary alkyl benzene sulfonic acid rare earth catalyst, a preparation method and the application thereof.
一种用于聚合高顺式异戊二烯橡胶的磺酸稀土催化剂，其特征在于该催化剂是由苯磺酸钕稀土配合物及烷基铝组成；
The invention relates to a sulfoacid rare earth catalyst for polymerizing high-cis-isoprene rubber and a preparation method thereof.
通过试验研究了不同浓度下十二烷基硫酸钠(SDS)、十二烷基苯磺酸钠(SDBS)以及SDS和SDBS复合添加对二氧化碳水合物相平衡点的影响。
Based on experiments, the effects of the concentrations of additives SDS, SDBS, SDS-SDBS complex on CO2 hydrate phase equilibrium point were analyzed.
通过试验研究了不同浓度下十二烷基硫酸钠(SDS)、十二烷基苯磺酸钠(SDBS)以及SDS和SDBS复合添加对二氧化碳水合物相平衡点的影响。
Based on experiments, the effects of the concentrations of additives SDS, SDBS, SDS-SDBS complex on CO2 hydrate phase equilibrium point were analyzed.
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