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- The epoxy group of epoxidation product of SBS has been proved by IR. 通过红外光谱对SBS的环氧化产物中环氧基团的存在进行证实。
- The spectrum of FTIR showed that epoxy group of ESO was reacted and polyurethane emulsion modified by ESO was obtained. 红外分析表明，环氧大豆油中的环氧基发生反应，形成了环氧大豆油改性水性聚氨酯。
- It was a necessary condition for the noncrystalline form and molecular form of decanedioic acid to disperse that decanedioic acid microreacts with epoxy group in arylic resin. 结果表明，癸二酸在树脂中分别以晶态、非晶态、分子级分散等三种形态存在；
- The first step is synthesis of ethers and the second step is epoxidation of double bonds.The third step is reaction of dehydroabietylamine with epoxy group. 反应分三步进行:醚化反应、双键环氧化和脱氢枞胺与环氧基开环反应。
- The preparation of spherical powder of silicone rubber,whose active groups are epoxy group and dodecyl,are introduced,as well as the preparation of its aqueous dispersions. 介绍了含活性基团(环氧基、长链烷基等)硅橡胶球形微粉的制备、硅橡胶球形微粉水分散液的制备。
- Synthesis of poly (arylene ether suphone)s terminated with ethynyl, propenylamine , maleimide,epoxy groups was reviewed with 27 references. 本文总结了将乙炔基、乙烯基、丙烯基、氨基、马来欧亚胺基、氰酸酯基、环氧基等活性基团引入聚芳醚砜链端的方法。引用参考文献27篇。
- The double bonds of the butadiene soft matrix in SBS were epoxidized in order to incorprate the epoxy groups and modify chemically. 利用SBS中丁二烯软段中的双键进行环氧化反应,引入环氧基团进行化学改性。
- The results analyzed by FT-IR and TEM show that the epoxy resin has been grafted to the water-borne polyurethane and the epoxy groups and hydroxyl of the epoxy resin are all taken part in the reaction. 傅立叶变换红外光谱和透射电镜分析结果表明，环氧树脂已接枝到水性聚氨酯分子上，且环氧树脂的羟基和环氧基全部参与了发应。
- Its interlayer distance increases from 1.54 nm to 2.26 nm. (2) Use quaternary salt with epoxy groups as intercalation guest to intercalate mont morillonite and characterize it with FTIR and XRD. 本文主要内容如下： （1）选用带有羟基基团的季铵盐插层剂改性蒙脱土，用XRD对其层间距的变化进行表征，其层间距由1.;54 nm增大到2
- By using polydimethylsiloxane containing epoxy groups as base gum, the compounds containing amino groups as crosslinking reagent, a new addition type curable silicone rubber were prepared. 以含环氧基聚二甲基硅氧烷为基胶，以胺类化合物为固化交联剂进行了新型加成型硫化硅橡胶的研究。
- Synthesis of polysilicone containing epoxy group by hydrosilylation 含环氧基团硅油的硅氢加成合成反应研究
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
- A group of boys dashed out of the classroom. 一群男孩子从教室里冲出来。
- I come upon a group of children play in the street. 我遇到一群孩子在街上玩耍。
- He goes about with a group of nice boys. 他经常和一群好孩子在一起玩。
- He is a the most brisk young man in this group. 他是这个小组中最活跃的年轻人。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
