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1)  novel alkaline catalyst
新型碱性催化剂
1.
Based on experiments, the formulation and preparation process for synthesis of propylene glycol monomethyl ether with novel alkaline catalyst are determined.
研制开发了新型碱性催化剂制备丙二醇单甲醚。
2)  novel class of chiral catalyst
新型手性催化剂
3)  basic catalytic curing agent
碱性催化型固化剂
4)  alkaline catalyst
碱性催化剂
1.
The title propylene glycol monophenyl ether was synthesized with phenol and propylene oxide in the presence of alkaline catalysts.
以苯酚、环氧丙烷为原料,在碱性催化剂作用下制备丙二醇苯醚。
2.
The reaction products between the common Tea Polyphenols (TP) and propiomic anhydride or palmitoyl chloride or oleinoyl chloride in ethyl acetate solution (with alkaline catalyst) were evaluated by the antioxidative activity and solubility in refined edible oil, while the Tea Polyphenol Palmitate (TPP) showed the best result.
将含量约87%的普通茶多酚同丙酸酐、棕榈酸酰氯、油酸酰氯溶于乙酸乙酯中,在碱性催化剂催化下进行非水相酯化反应,得到的产品经油溶性、抗氧化性等指标比较知以茶多酚棕榈酸酯效果较佳。
5)  new catalyst
新型催化剂
1.
This paper describes the major features of contemporary organic catalytic technology and introduces some overseas new catalysts recently applied and researched for organic synthesis,pollution control,polymers and petroleum refining and petrochemical process.
介绍现代有机催化发展的主要特点,阐述近10年来世界上在有机合成、污染控制、高分子化工、石油化工中的新型催化剂以及在研催化剂,简介我国催化剂研究的现状并对未来研究趋势作了预
2.
The progress in synthetic methods of coumarin compounds has summarized,including the new methods implicating microwave irradiation and new catalysts,ion liquids and so on.
包括微波辐射法的应用,新型催化剂的应用,离子液体等新方法。
6)  novel catalyst
新型催化剂
1.
Methods for producing broad/bimodal molecular mass distribution polyethylene(PE) were introduced with the emphasis of elaboration on the multizone circulating reactor technology,the novel catalyst technology and the oscillating operation process.
介绍了制备相对分子质量分布曲线呈宽峰或双峰分布聚乙烯的主要方法,着重阐述多区循环反应器技术、新型催化剂技术和振荡操作等单反应器技术;综述了各种技术的优缺点及研究现状并对其工业化应用前景进行了展望。
补充资料:催化重整催化剂
分子式:
CAS号:

性质:使石油烃类分子结构重排所用的催化剂。由载体、金属组分和酸性组分构成。载体有氧化铝型、硅铝型和分子筛型(结晶型),常用的是氧化铝型。按金属组分有单胶型和加有第二种金属的双金属型(如铂-铼、铂-锡型等)或多金属型(如铂-铼-铝型、铂-铼-钛型等)酸性组分有氟-氯型和全氯型。目前这种催化剂有单铂、铂-铱、铂-铼、铂-锡四大系列。他们都具有双功能,既具有脱氢、加氢活性,又具有异构化、加氢裂化活性。前一功能一般由铂来承担,后一功能由载体或加到载体上酸性组分来承担。由于具有这两种功能,在重整反应中才能使甲基环戊烷异构脱氢转化成苯。

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