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- phthalic monoester 邻苯二甲酸单酯
- Compared with interrelated rosin based sodium sulfosuccinate monoester, the product has good properties. 与有关松香基琥珀酸单酯磺酸钠进行比较,结果表明,所得产品是一种性能优良的表面活性剂。
- Several synthesis of phosphoric acid monoester was introduced,and their strong suit and defect were compared. 介绍了磷酸单酯的各种合成工艺路线,并比较了它们的优缺点,提出了聚磷酸法是合成高纯度磷酸单酯的最佳路线。
- The microwave heating technology was applied to produce phosphate monoester starch. 微波酯化技术用于淀粉变性反应制备磷酸单酯淀粉。
- Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride. 用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢。
- Suitable anhydrides for use in this process include phthalic, maleic, and succinic. 适用于本法的酸酐有苯二甲酸,马来酸及琥珀酸的酸酐。
- Raw materials of synthetic fibre: phthalic acid, acrylonitrile, caprolactam, nylon 66 salt, etc. 合成纤维原料:精对苯二甲酸、丙烯腈、己内酰胺、尼龙66盐等。
- Process for synthesizing dimethyl phthalate(DMP) for phthalic anhydride and methanol has developed. 研究以苯酐、甲醇为原料合成邻苯二甲酸二甲酯的方法。
- To study the synthetic conditions of APG disodium sufosuccinate monoester and to determine its properties in this paper. 对APG磺基琥珀酸单酯盐的合成条件进行了探索研究,并测试其性能。
- Some phthalic esters are precedent-controlled harmful pollutants to the Environmental Protection Agency(EPA). 其中一些属于美国国家环保局(EPA)优先控制的环境激素类污染物.
- The physichochemical properties and structure changes of phosphate monoester of sweet potato starch esterified with orthophosphate were investigated. 研究了正磷酸盐为酯化剂制备的甘薯淀粉磷酸单酯的理化特性和结构特征。
- EBE monitored control system is an assistant to operator of 2000 TPY phthalic anhydride plant. EBE监视系统是 2 0 0 0t/a苯酐装置操作人员的有力助手
- The optimal synthesis with polyphosphoric acid was put forward to produce high purity of phosphoric acid monoester,and its application was described. 介绍了磷酸单酯的各种合成工艺路线,并比较了它们的优缺点,提出了聚磷酸法是合成高纯度磷酸单酯的最佳路线。
- There were obvious retention on diester and tri-ester of correlation in starch phosphate ester and there was little retention in monoester. 淀粉磷酸酯中有交联性的二酯和三酯有较明显的留着作用,而对单酯的留着作用不十分明显。
- The reaction adopted strong-acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. 采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应。
- Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride in an overall yield of 23. 以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%25。
- The experiment indicates that disodium solfosuccinate monoester has good capability of increasing dense and lowering stimulation. 通过控制条件研究了此反应的机理,并通过实验探讨了其增稠和低刺激的性能。
- In this paper,the development of the analysis methods of phthalic acid esters has been introduced in details. 本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。
- The modification of synthesizing processes of phosphates with P2O5 and testing method of the content of monoester and diester were introduced briefly. 简要介绍了使用五氧化二磷作为磷酸化试剂合成磷酸酯的工艺过程改进,以及磷酸单双酯含量检测的常用方法。
- In this paper, the development of the analysis methods of phthalic acid esters has been introduced in details. 摘要本文详细介绍了国内外邻苯二甲酸酯类增塑剂检测方法的研究进展。