您要查找的是不是:
- vinyl ether bond 烯醚键
- The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied. 研究了在保险粉存在下,氟烷基碘(1)与乙烯基乙醚和伯胺或仲胺(2)的反应。
- During the test run of 2000 h,the conversion of acetal and the yield of ethyl vinyl ether maintained about 96. 研究了在固体催化剂上乙缩醛气相分解制乙烯基乙醚的反应性能。
- Poly(ether imide)(PEI)is a modification kind of high performance polymer,which adds a ether bond to macromolecular chain of polyimide(PI). 聚醚酰亚胺(PEI)是在聚酰亚胺(PI)链上引入醚键形成的一类高聚物。
- Ab initio HF/6 31G calculations have been performed for the rearrangement mechanism of 1,2 shift in lithium allyl vinyl ether. 以从头算方法(631G基组)研究了烯丙基乙烯基醚锂化物发生乙烯基从氧到碳上的1,2迁移的机理。
- Poly-carboxylic water-reducer is a polymer with sulphonic group and carboxy group and ether bond was indicated by Infrared absorption spectra. 经红外光谱分析表明,聚羧酸系减水剂是具有磺酸基、羧酸基、醚键的聚合物。
- To improve the adhesive property of vinyl chloride-with isobutyl vinyl ether(VC-IBVE) copolymer, 2-hydroxyethyl methacrylate (HEMA) was added to terpolymerizate. 为了进一步提高氯乙烯-乙烯基异丁基醚(VC-IBVE)共聚树脂的粘接性,本文采用引入甲基丙烯酸-2-羟乙酯(HEMA)与VC和IBVE共聚的方法。
- Three phenylalkyl substituted hydroquinones were synthesized from 1,4 dimethoxybenzene by Friedel Crafts acylation, Huang Minlon modification reduction and cleavage of ether bond. 以1,4-二甲氧基苯为原料,经傅氏酰基化反应、黄鸣龙改良还原、醚键的断裂三步反应合成了3个苯烷基对苯二酚。
- In the presence of a phase transfer catalyst, 2-vinyloxyethyl acrylate (VEAA) was synthesized via the reaction of 2-chloroethyl vinyl ether and sodium acrylate. 摘要在相转移催化剂存在下,以2-氯乙烯醚和丙烯酸钠为原料设计合成了双官能团单体2-乙基乙烯基醚丙烯酸酯,研究了相转移剂的种类以及反应条件对反应的影响。
- With the absence of oxygen, branched alkaline would be produced.Whereas when oxygen was available, some other structures like hemiacetal, ether bond were produced. 其中无氧条件下可能发生侧链烷烃交联而形成支链,在有氧分子参与的情况下,反应进一步进行形成一些架桥结合,诸如半缩醛、醚键等等。
- Vinyl ethers can cure by both cationic and free radical mechanisms. 乙烯醚可以都阳离子和游离基反应固化。
- Vinyl chloride/isobutyl vinyl ether (VC/IBVE) copolymer was synthesized by batch emulsion polymerization process, using Na2SO3/(NH4 )2S2O8/CuSO4 as the initiator system and sodium dodecyl sulfonate (SDS) as the emulsifier. 以(NH4)2S2O8/Na2SO3/CuSO4为氧化-还原引发体系、十二烷基硫酸钠(SDS)为乳化剂,采用间歇乳液聚合合成氯乙烯/异丁基乙烯基醚(VC/IBVE)共聚物。
- Applications of poly (fluorinated ethylene-propylene) and tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer in such the industries as electronic, chemistry, machine and foodstuff are described. 摘要叙述了聚全氟乙丙烯和四氟乙烯-全氟代烷基乙烯基醚共聚物在电子电气、化学、机械和食品等行业的应用。
- Structure, mechanics, electricity, calorifics, radialization and chemicalproperties are reviewed for polyperfluoroethylene-propylene and tetrafluoroethylene perfluoroalkyl vinyl ether copolymer. 分别阐述了聚全氟乙丙烯和四氟乙烯全氟代烷基乙烯基醚共聚物的结构和力学热学、辐射、化学性能。
- Vinyl ethers in combination with cationic epoxies cure extremely fast, producing very hard, high-gloss coatings. 乙烯醚同阳离子环氧树脂组合后,固化特别快,形成非常坚硬,高光泽的涂层。
- Because of the unstability of ether bonds, the weight loss of composite increases at high temperature. 由于醚键的高 温不稳定性,使产物在高温下的热失重有所增大。
- Living Cationic Polymerization of Vinyl Ether 乙烯基醚活性阳离子聚合
- Poly (Vinyl Chloride-Co-lsobutyl Vinyl Ether) 氯醚树脂
- Study on Photocuring Systems Containing Vinyl Ethers as Reactive Diluent, Yonglie Chen,Jiangwen Yang, Lan Liu , Preprints, 6th Pacific Polymers Conference, Guangzhou, 1999,P140. 环氧丙烯酸酯/乙烯基醚光聚合反应动力学研究,刘岚,陈用烈1999年全国高分子学术报告会。
- Study on Photocuring Systems Containing Vinyl Ethers as Reactive Diluent, Yonglie Chen,Jiangwen Yang, Lan Liu ,Preprints, 6th Pacific Polymers Conference, Guangzhou, 1999,P140. 环氧丙烯酸酯/乙烯基醚光聚合反应动力学研究,刘岚,陈用烈1999年全国高分子学术报告会。