1) oxyethylene spacer
氧乙烯联接链
1.
The quaternary ammonium Gemini surfactants containing polyoxyethylene spacer, C_(12)-2-E_ n -C_(12)·2Br〔C_(12)=C_(12)H_(25)N~+(CH_3)_2,2=CH_2CH_2,E_ n =(OC_2H_4)_ n ,2Br=2Br~-, n =1,2,3〕,were synthesized and their micellization in aqueous solution was studied using conductivity and steady fluorescence measurements.
合成了含氧乙烯联接链的季铵盐Gemini表面活性剂C12 2 En C12·2Br〔C12=C12H25N+(CH3)2,2=CH2CH2,En=(OC2H4)n,2Br=2Br-,n=1,2,3〕。
3) polyoxyethylene side chains
聚氧乙烯基侧链
1.
Polycarboxylate-type water-reducers with carboxyl acid groups,sulfonic groups and polyoxyethylene side chains in different length were synthesized through mixing polyethylene glycol(PEG) with different molecular weight.
通过不同分子量聚乙二醇(PEG)复配,合成含有不同长度的聚氧乙烯基侧链,同时带有羧酸基团、磺酸基团的聚羧酸系减水剂。
4) poly(ethylene oxide)graft chains
聚氧乙烯醚侧链
5) p-Phendioxy spacer
对苯氧基联接链
6) direct ethylene oxidation
乙烯直接氧化
1.
? This paper describes the new process for acetic acid production via direct ethylene oxidation by Nippon Showa Denko K.
描述了日本昭和电工公司的乙烯直接氧化制取醋酸的新工艺,并以美国化学系统公司的概念设计流程与甲醇羰基化和乙醛氧化法醋酸工艺的简单经济比较,说明新工艺的优越性。
补充资料:α-十六烷基-ω-羟基-聚(氧乙烯) 聚(氧乙烯)十六烷基醚
CAS:9004-95-9
分子式:(C2H4O)nC16H34O
中文名称:α-十六烷基-ω-羟基-聚(氧乙烯) 聚(氧乙烯)十六烷基醚
英文名称:.alpha.-hexadecyl-.omega.-hydroxy-Poly(oxyethyl)
分子式:(C2H4O)nC16H34O
中文名称:α-十六烷基-ω-羟基-聚(氧乙烯) 聚(氧乙烯)十六烷基醚
英文名称:.alpha.-hexadecyl-.omega.-hydroxy-Poly(oxyethyl)
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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