三乙氧基硅烷
- 网络Triethoxysilane
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直接法制备三乙氧基硅烷催化剂的研究进展
Progress of Catalyst by the Direct Synthesis of Triethoxysilane
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综述了直接法合成三乙氧基硅烷所用催化剂的研究进展,并对其发展前景进行了展望,指出了催化剂开发的方向。
The progress of the catalyst in the direct synthesis triethoxysilane is reviewed according to the author and other researches in the field , the direction of catalyst development is suggest .
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乙烯基三乙氧基硅烷表面改性纳米SiO2
Study on surface modification of nano-SiO_2 with vinyl-silane
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巯丙基三乙氧基硅烷依次用纳米介孔分子筛(MCM-41)固载,与氯化钯反应,合成了MCM-41负载巯基钯配合物。
MCM-41-supported mercapto palladium complex has been prepared from γ - mercaptopropyltriethoxy-silane via immobilization on MCM-41 , followed by reacting with palladium chloride .
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采用偶联剂-乙烯基三乙氧基硅烷(VTES)来功能化修饰石墨烯,然后将其与LDPE共混,从而制备纳米复合材料。
Graphene sheets were functionalized by coupling agent-vinyl triethoxysilane ( VTES ) and then blend them with LDPE to prepare nanocomposites .
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研究了DCP(过氧化异丙苯)为引发剂,A171(乙烯基三甲氧基硅烷)与A151(乙烯基三乙氧基硅烷)在LDPE、HDPE、LLDPE上的接枝反应。
The reaction of A171 ( vinyl-trimethoxy-silicane ) and A151 ( vinyl-triethoxy-silicane ) grafting onto LDPE , HDPE and LLDPE with DCP ( dicumyl peroxide ) as initiator is researched .
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本文以反应性乙烯基三乙氧基硅烷(VTES)为接枝单体,合成了一种新型有机硅烷接枝环氧树脂水分散体。
Silane-graft-epoxy water dispersion was synthesized by copolymerization of epoxy resin , vinyltriethoxysilane ( VTES ), methylacrylic acid ( MAA ), and styrene ( St ) .
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采用硅烷偶联剂γ-氨丙基三乙氧基硅烷(APTES)及甲苯二异氰酸酯(TDI)等作为204水溶性有机硅油(Si-204)改性材料,研究了相关的接枝反应改性方法。
The method for graft modification reaction of water soluble organosilicone ( Si-204 ) with γ - aminopropyltriethoxysilane ( APTES ) and toluene diisocyanate as modifying agents was studied .
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该文研究了乙烯基三乙氧基硅烷偶联剂(A-151)改性纳米二氧化硅,改性纳米二氧化硅具有良好的疏水性。
In the paper , Nano-silica is treated with Vinyl-silane A-151 , which has a good hydrophobic . The surface status of nano-silica before and after modification was studied .
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在使用氨丙基三乙氧基硅烷(APTES)对二氧化硅微球表面进行功能化改性之后,即可利用氨基基团和金离子之间的相互作用将金离子连接到二氧化硅微球表面形成用于后续实验的金颗粒种子。
After using APTES to functionalize the silica microspheres , we can incorporate gold crystals into the surface of the microspheres via the mutual reaction between the amino functional groups and the gold anions , which producing the gold seeds .
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以甲基三乙氧基硅烷(MTES)、氯化铁为原料,采用溶胶-凝胶工艺,制备聚甲基三乙氧基硅烷/三氧化二铁(PMTES/Fe2O3)有机-元机杂化材料。
PMTES / Fe 2O 3 organic inorganic hybrid material was synthesized by sol gel process . Using methyl triethoxysilane and FeCl 3 as raw materials . The electric property of sol gel system was studied and the hybrid mechanism between MTES and Fe 2O 3 was explored .
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在辉光放电中γ-氨丙基三乙氧基硅烷的聚合及其聚合物的结构和性能
Glow discharge polymerization of γ - aminopropyl triethoxy silane and the structure and properties of its polymers
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最后分子的一端通过三乙氧基硅烷嫁接到石英片表面。
Then triethoxy silane was introduced at one end of the molecule to grafted on the quartz surface .
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探讨了胶膜光泽度与亲水基团及蓖麻油含量的关系,同时研究了氨丙基三乙氧基硅烷的加入对材料的机械性能和耐水性产生的影响。
The influences of the content of castor oil and hydrophilic groups on the film gloss were studied .
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优化条件下得到三乙氧基硅烷的收率为59.15%,选择性为91.49%。
The yield of triethoxysilane in the optimized condition was 59.15 % , while the selectivity was 91.49 % .
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在氧化还原引发体系中,用乙烯基三乙氧基硅烷对苯丙乳液进行改性,制得一种适用于外墙腻子的聚合物。
This test describes the low temperature emulsion polymerization which proceed in the circumstance of oxidation-reduction initiator and composite emulsifier .
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并以合成三甲氧基硅烷的反应条件合成三乙氧基硅烷,其中,三乙氧基硅烷的产率达68.8%,乙醇的含量只有17.0%。
In direct synthesis of triethoxysilane , the content of triethoxysilane is 68.8 % , the content of ethanol is 17.0 % .
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同时对产物的分离进行了研究,采用正己烷共沸精馏提纯三乙氧基硅烷,得到了较好的结果。
The method to separate the product was discussed finally . The n-hexane azeotrope was used to purify the triethoxysilane and a good result was got .
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三乙氧基硅烷是重要的化工原料,广泛用于硅油、聚硅烷、树脂等硅烷偶联剂的生产。
Triethoxysilane is an kind of important chemical raw materials , which is widely used in silane coupling-reagent like silicone oil , polysilane and resin production .
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第二种方法就是醇解法,又被称为酯化法,其原理是用三氯氢硅与乙醇发生醇解作用,通过乙醇取代三氯氢硅上的氯基,制备三乙氧基硅烷。
The second way is alcoholysis process , also called esterification process . The principle is that alcohol-base take place of the chlorine-base to prepare triethoxysilane .
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本文研究了有机硅单体γ-甲基丙烯酰氧基丙基三乙氧基硅烷与丙烯酸类单体的乳液聚合反应,制备出高性能的有机硅改性丙烯酸酯乳液。
Study was made of emulsion polymerization of organic silicone monomers 3 - ( triethoxysilyl ) propylmethacrylatewith acrylic monomers and high performance silicone-modified acrylate emulsion was prepared .
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在此我们提出可利用低温溶胶-凝胶方法制备含有大量银纳米粒子的硅烷基母体&苯基三乙氧基硅烷。
Here , we present the preparation of silane based matrices , phenyltriethoxysilane ( PhTEOS ), containing different amount of Ag nanoparticles , using a low-temperature sol – gel method .
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结果表明:苯基三乙氧基硅烷水解后改性酚醛树脂,会使游离酚有一定上升,固含量和残炭量都会提高,耐热性提高。
The results showed that free phenol a little rose , the content of solid and carbon residue amount and thermal stability were remarkably improved when PTES modified phenolic resin .
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环氧树脂与乙烯基三乙氧基硅烷、甲基丙烯酸以及苯乙烯接枝共聚,合成了有机硅改性环氧树脂水分散体。
The water dispersion of silane modified epoxy resin was synthesized by graft copolymerization of epoxy resin ( EP609 ) with vinyltriethoxysilane ( VTES ), methylacrylic acid ( MAA ) and styrene ( ST ) .
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工业上,三乙氧基硅烷由三氯硅烷醇解法制得,该反应工艺复杂,收率低,反应过程中伴有大量的氯化氢气体产生,腐蚀设备,污染环境。
Triethoxysilane is prepared by alcoholysis of trichlorosilane in industry , the process of which is complex , associated with a large number of hydrogen chloride gases , apparatus corrosion , pollution of the environment and low-yield .
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以乙烯基三乙氧基硅烷无水乙醚溶液处理玻璃管道内壁,降低流体水与管壁间的粘附功,研究了低粘附功内壁管道的内流减阻性能。
The internal flow drag reduction property of inwall of lower adhesive work was investigated by treating the inwall of glass conduit with absolute diethyl ether solution of vinyl triethoxy silicane to depress the adhesive work between the inwall and fluid water .
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该配合物用量为烯烃摩尔数十万分之一时,仍能有效地催化烯烃与三乙氧基硅烷的硅氢加成反应,单程烯烃转化数可达80000。
The complex exhibited a high catalytic actvity on the hydrosilylation of olefins with triethoxysilane . Even at a molar ratio of olefin to complex of 10 ~ 5 , the hydrosilylation reaction took place smoothly with the turnover number more than 80,000 .