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氧硅烷

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A steel bar is washed and dried, and then put into a glass pipe which is sealed to obtain stirring magneton; a mixed solvent of Gamma-methacrylate oxide propyl trimethoxy silane and methanol is prepared and added with an organic base to obtain a pre-bonding solvent; the stirring magneton is immerged into the pre-bounding solvent, and the outer surface of the glass pipe of the stirring magneton is bonded with a layer of silane substance with alkenyl; a reactive monomer mixture and a pore-forming agent mixed solvent are evenly mixed and then added into a container, the stirring magneton after the pre-bounding is put into the container which is sealed and then put into a water bath; after reaction, the container is removed, the stirring magneton coated with a polymer is taken out and put into a extractor and extracted by using a solvent; or the stir bar is immersed into the solvent till no impurity can be checked in the solvent, thereby obtaining the product.

将铁条清洗干燥,放入玻璃管内,密封得搅拌磁子;配制γ-甲基丙烯酸氧丙基三甲氧基硅烷与甲醇的混合溶液,加入有机碱得预键合溶液,将搅拌磁子浸入预键合溶液,在搅拌磁子的玻璃管外壁键合一层带烯基的硅烷化物质;将反应单体混合剂和致孔剂混合溶液混匀后倒入容器中,将预键合后的搅拌磁子放入容器,密封后置于水浴中,反应后除去容器,取出涂有聚合物的搅拌磁子,置于提取器中,以溶剂提取,或将搅拌棒置于溶剂中浸泡至溶剂中无杂质检出,得产物。

In this paper, 2,6-dimethyl-1,4-phenylene oxidel was modified by trimethyl chlorosilane and triphenyl chlorosilane, and a serfes of silyl-substituted PPO were synthesized.

讨论了聚2,6-二甲基-1,4-苯撑氧与三甲基氯硅烷和三苯基氯硅烷的反应,合成了一系列取代含量不同的三甲基硅取代PPO和三苯基硅取代PPO。

In order to improve the radiation resistance of condensed-type RTV silicone rubber, two kinds of crosslinking agents are synthesized successfully: triethoxysilane with acenaphthenyl groups m.p.

当三乙氧基硅烷和三乙氧基硅烷用作缩合型RTV硅橡胶的交联剂时,由于二者所含的稠环基团的空间位阻较大,因而样品硫化速度较慢。

N,N-diethylaminopropylmethyldimethoxysilane was synthesized by taking γ-chloropropylmethyldimethoxysilane and diethylamine as raw materials in the process of amination .

以γ -氯丙基甲基二甲氧基硅烷和二乙胺为原料,经过胺化反应制得N N -二乙基-氨丙基甲基二甲氧基硅烷。

This paper is studied on a new synthesis method of amino-modified organic silicone micro-emulsion of cationic style by one step with a silane-alkyl coupling,3-(2-aminoethyl)-aminopropyl methyl dimethoxy silane while opening-cyclo polymerization of the octa-methyl cyclo tetra siloxane,thus the optimal manufacturing conditions are determined by comparing test of their properties.

采用硅烷偶联剂氨乙基氨丙基甲基二甲氧基硅烷改性,八甲基环四硅氧烷开环聚合,探索一步合成阳离子型氨基改性有机硅微乳新方法,通过其性能测试得出其最佳工艺条件:反应温度:80℃,反应时间:3 h,十六烷基三甲基溴化铵用量:5%,脂肪醇聚氧乙烯醚用量:5%,预乳液滴加时间:2 h。

Both catalytic activity and selectivity of Ru(PPh_3)_3Cl_2 were improved in ionic liquid BMImPF_6/DME medium.The conversion of hexene and selectivity ofβ-adduct for the hydrosilylation reaction of 1-hexene with triethoxysilane catalyzed by Ru(PPh_3)_3Cl_2 in ionic liquid BMImPF_6DME (V/V=1/4) medium at 90℃were 100% and 89.0%,respectively.

实验结果表明,在乙二醇二甲醚/离子液体1-丁基-3-甲基咪唑六氟磷酸盐(BMImBF_6)(V/V =1/4)介质中,于90℃下,己烯与三乙氧基硅烷反应的转化率为100%,β加成物的选择性可达89.0%,而用Rh(PPh_3)_3Cl作为反应的催化剂,在纯离子液体BMImPF_6中,就可以高效催化烯烃与三乙氧基氢硅烷的加成反应,过渡金属Rh(PPh_3)_3Cl,Ru(PPh_3)_3Cl_2催化剂/离子液体BMImPF_6催化体系,不仅解决了产物与催化剂分离困难这一难题,同时,离子液体BMImPF_6的存在提高了过渡金属Rh(PPh_3)_3Cl,Ru(PPh_3)_3Cl_2催化硅氢加成反应的活性,特别是β加成物的选择性。

The gelatin-siloxane nano-particles are prepared from gelatin and 3-(2,3-epoxy propoxy )propyltrimethoxysilicane by performing chemical combination and hydrolytic reaction in acidic condition to obtain sol; and adjusting the pH value to slightly alkaline for performing polymerization reaction of silicane.

将明胶和3-(2,3-环氧丙氧)丙基三甲氧基硅烷在酸性条件进行化合、水解反应;将该溶胶的pH值调节至弱碱性,使硅烷发生聚合反应,即可得明胶-硅氧烷纳米颗粒。

The solid-liquid reaction method was used for the preparation of HPLC aryl-bonded silica gel stationary phases, including 3, 5-dinitrobenzyl, quinolinyl ether and 1, 1'-di(2-naphthol) ether bonded silica gel stationary phases by using N-(β-aminoethy1)-γ-aminopropylmethyldimethoxy silane and 3-glyci-doxypropyl trimethoxylsilane as coupling reagents, respectively.

采用固液相连续反应,以N--γ-氨丙基甲基二甲氧基硅烷和γ-丙基三甲氧基硅烷为偶联剂,分别制备了二硝基苯甲酰胺基、喹啉醚基和联萘酚醚基三种芳基键合硅胶固定相。

A quaternary surfactant, N,N-dimethyl-N-dodecylaminopropyltrimethoxy ammonium chloride was synthesized from γ-chloropropyl trimethoxy silane by quaterisation with N,N-dimethyldodecylamine.

利用γ-氯丙基三甲氧基硅烷与 N , N-二甲基十二烷基胺反应,合成了 N , N-二甲基-N-十二烷基氨丙基三甲氧基硅烷氯化铵。

The reaction result showed that the reactivity of Grignard reagent was different in THF and diethyl ether when subjected to substitution reaction, which gave three products with different substitution degree.

研究表明,生成的Grignard试剂在THF和乙醚中的反应性不同,与甲基三硅烷或四乙氧基硅烷发生取代反应时生成不同取代度的产物,控制反应条件可得到以单取代、双取代或三取代硅烷为主的产物。

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