分离可溶性三甲基硅烷化(TMS)的衍生物的聚合分布。
Polymeric distribution of soluble trimethylsilylation (TMS) derivatives is separated.
核磁共振谱通常是根据已知的溶剂残留质子峰进行校正,而不是添加四甲基硅烷。
NMR spectra are often calibrated against the known solvent residual proton peak instead of added tetramethylsilane.
本文利用改进了的三甲基硅烷化方法研究低熟料沸石钢渣水泥。
An improved TMS method is used to study zeolite Ld-steel slag cement.
研究了由聚二甲基硅烷热解制备聚碳硅烷的过程,探讨了合成条件对产物特性的影响。
Preparation of polycarbosilane (PCS) by pyrolysis of polydimethylsilane has been investigated. Effect of synthesis condition on the properties of products was studied.
样品经双甲基硅烷三氟乙酰胺衍生后,以美托洛尔为内标物,用气相色谱-质谱联用仪进行定性定量分析。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
玻璃经三甲基硅烷化(TMS)反应后,用气相色谱(GLC)和凝胶色谱(GPC)测定可溶性TMS产物的聚合分布;
Polymeric distribution of soluble trimethylsilylation(TMS) derivatives is separated by gas-liquid chromatography(GLCC) and gel-permeation chromatography(GPC);
三甲基甲硅烷基炔丙基溴的反应产物的产率为71%到84%。
The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.
本方法简单、反应周期短、产率高,得到纯度达98%的甲基环己基二甲氧基硅烷产品。
The method simple, the reaction period short and the productive rate high. The purity of the product can reach 98%.
实验归纳了支化聚甲基苯基硅烷薄膜的光折变规律,获得了控制薄膜厚度和折射率的定量条件。
The quantity conditions of film thickness and refractive index control were acquired. The basic facture technics of branched PMPS waveguide circuit was established.
叙述了甲基氯硅烷的性质,生产及综合加工简况,并简介其衍生品的应用及市场状况。
This article describes property, production and comprehensive manufacturing status of methyl chlorsilane, and the application and market status of derivate.
分析了直接法合成甲基氯硅烷的反应特点及反应器内流化床的传热过程。
The reaction characteristics of synthesizing methyl chlorsilane by direct method and the heat transfer of the fluid bed in the reactor were analyzed.
尤其是三甲基氯硅烷改性后的TS 1沸石,在相界面催化反应中,具有比改性前高得多的活性。
Especially by the TS-1 modified with trimethylchlorosilane, much higher catalytic activity was achieved than by parent TS-1 zeolite in the phase-boundary catalysis.
结果表明,使用环己基- 甲基-二甲氧基硅烷,聚合物的等规度可调性好;
With cyclohexyl methyl dimethoxy silane(CHMMS) as external donor, isotacticity of polymer turned to be more adjustable.
采用逆水解法进行氯硅烷水解—缩聚反应,制备了适用于耐高温涂料的甲基苯基硅树脂。
The methyl phenyl silicone resin for heat resistant coatings was prepared by converse hydrolysis-polycondensation of chlorosilane.
用含苯基聚硅烷中的苯环进行氯甲基化反应;
The containing chlorine polysilanes were synthesized by chloromethylation reaction of polysilanes with Ph.
新增塔投入运行后,经二甲基二氯硅烷的纯度、水裂解工序的操作性及产品质量等指标验证,达到了预期的效果。
When new tower put into use, verifying the purity of dimethyldichlorosilane, operability of hydrolyzed and cracked process and product quality, it got the desired results.
研究了固载液相铂催化剂的制备及其在3-氯丙烯与甲基二氯硅烷硅氢加成反应中的催化性能;
The preparation of supported liquid-phase platinum catalyst, and its catalytic property for hydro-(silylation) reaction of 3-chloropropene were studied.
以液体硅酸钠和硫酸为原料,在室温下反应合成沉淀白炭黑,并用三甲基氯硅烷(TMCS)对其进行表面改性。
The precipitated silica is prepared by using liquid sodium silicate and sulfuric acid as raw materials at room temperature and modification agent TMCS is used for its surface modification.
考察了温度、催化剂用量、加料速率等因素对苯乙烯与甲基二氯硅烷硅氢加成反应的影响。
The effects of temperature, the quantity of catalyst used, and reactant feed rate on hydrosilylation was discussed.
用途:产品名称:甲基三甲氧基硅烷分子结构式:性状:无色透明液体。
Product Name: Methyl trimethoxysilane Other Name: MTMS Chemical structural formula: Property: Colorless transparent liquid.
以甲基和苯基氯硅烷为单体,采用水解缩聚的方法合成有机硅树脂,并对影响有机硅树脂合成的有关因素进行了研究。
The silicone resin is synthesized using hydrolysis-polycondensation method from phenyl and methyl chlorosilane, and the factors influencing this synthesis are investigated.
在极性溶剂(丙酮)或非极性溶剂(甲苯)中,用三甲基氯硅烷对全硅介孔分子筛m CM - 41进行了表面修饰。
The pure silica mesoporous molecular sieve (MCM-41) was modified on the surface by trimethylchlorosilane in polar solvent (acetone) and apolar solvent (toluene).
本文进一步选用搅拌床反应器进行甲基三氯硅烷有机铝法转化反应。
It is found that methyltrichlorosilane is more reactive in an agitated bed reactor.
以正硅酸乙酯为原料,经溶胶-凝胶过程制备二氧化硅溶胶,再利用二甲基二乙氧基硅烷(DDS)对其进行改性,制备了疏水性二氧化硅凝胶。
Hydrophobic silica gel was prepared by sol-gel process using tetraethoxy silicone(TEOS) as raw material, then the surface was chemically modified by diethoxydimethylsilane(DDS).
本发明涉及聚苯基甲基乙氧基硅烷改性环氧树脂及其电子封装材料的制法。
The invention relates to polyphenyl methylsiloxane modified epoxy resin and a manufacturing method of an electronic packaging material thereof.
实验研究了直接法流化床合成甲基氯硅烷过程中反应温度对反应活性和二甲基二氯硅烷(DDS)选择性的影响。
The effect of reaction temperature on reaction activity and selectivity of dimethyl dichlorosilane (DDS) in direct synthesis process has been investigated experimentally.
实验研究了直接法流化床合成甲基氯硅烷过程中反应温度对反应活性和二甲基二氯硅烷(DDS)选择性的影响。
The effect of reaction temperature on reaction activity and selectivity of dimethyl dichlorosilane (DDS) in direct synthesis process has been investigated experimentally.
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