Cordierite powder was prepared by the polyacrylamide gel method using silica-sol as starting material.
利用硅溶胶作为合成原料,通过高分子网络凝胶法制备了堇青石粉。
And the silica sol prepared in lab and used in microelectronic industry is purified to 10 ~ -6. The purification mechanism is discussed.
然后对实验室制备的或在工业中已有应用的硅溶胶进行纯化,使其纯度达到10 -6级,并探讨了其纯化机理。
It was shown by BET surface area that the suitable concentration of silica sol could make the catalysts have bigger surface areas, but preparation method had little influence on surface area.
BET比表面表明,适宜的硅溶胶浓度可以使催化剂具有较大的比表面积,但制备方法对比表面积影响不大。
A review of preparation principle of gel and sol and preparation method of silica sol and application of gel and sol technique on textiles is surveyed.
综述了溶胶凝胶的制备原理及硅溶胶的制备方法,概述了目前溶胶凝胶技术在纺织品上的应用情况。
The preparative process of silica sol with natural wollastonite belonged to first origination, Natural resource was used, low cost and good economic benefit were obtained.
得出了天然硅灰石制备硅溶胶工艺属首创,能够利用天然资源,成本低,经济效益好的结论。
Experimental data showed that the aqueous silica sol had excellent fixing and darkening effects on Direct Black GF on cotton.
实验结果显示,硅的水溶胶对直接黑gf有着明显的固色作用和增深作用。
The silica sol is a kind of colloid solution, silica drop dispersing in water or solvents.
二氧化硅溶胶是二氧化硅微粒分散于水中或有机溶剂中的胶体溶液。
The composite silica microsphere was obtained through the polymerization of urea and formaldehyde occurred in the silica sol that prepared from the hydrolyzation of tetraethyl orthosilicate.
以甲醛与尿素作为单体在正硅酸乙酯水解所得的氧化硅溶胶中进行聚合反应制得了有机—无机二氧化硅复合微球。
In this paper, the property of silica sol was described, and various conditions of preparation of silica sol with natural wollastonite were examined and demonstrated.
首先对硅溶胶的性能进行了叙述,并对天然硅灰石法制备硅溶胶的各种条件进行较详细的考察和论证。
In this paper, the equipment of polysulfone ultrafiltration membranes for Silica sol concentration is introduced.
本文叙述了聚矾超滤膜装置在硅溶胶浓缩上的应用状况。
Several important problems related to ceramic shell used silica sol as binder were studied in order to raise technical level of the shell making and improve quality of the castings.
探讨硅溶胶型壳制壳工艺中几个主要问题,以求提高工艺技术水平和铸件质量。
The main constitution of the coating is silica sol sodium silicate ethyl-silicate silica sol, sodium silicate, ethyl-silicate.
涂料的粘结剂主要由硅酸乙酯、硅溶胶、水玻璃等组成。
By repeating technological tests and batch production tests for over a year, the fused silica was successfully used in the production of silica sol shell for low temperature wax precision casting.
经过反复的工艺试验及一年多批量生产验证,成功地将熔融石英应用于精铸用低温蜡—硅溶胶型壳生产中。
The main products are: Construction machinery fittings, Silica sol casting as well as trailer parts.
主要产品有:工程机械零配件、硅溶胶铸造及车辆配件。
Coagulation quick drying mechanism for quick-dry silica sol ceramic shell was analyzed by comparison between the stability and structure on common silica sol and quick-dry silica sol.
通过普通硅溶胶和快干硅溶胶的结构与稳定性比较分析快干硅溶胶陶瓷型的胶凝快干机理。
The craft and principle for preparation of white silica have been proposed, which was made by physical activation, sol solution and ion interchange.
提出了锆硅渣用物理活化、胶溶、离子交换法制备白炭黑的工艺路线及原理。
It is simple process, less pollution, low cost, good quality casting, and can meet producing of locomotive casting, that the investment pattern was made from the shell mold was made from silica sol.
采用硅溶胶粘结剂制造型壳,工艺简单,污染少,成本低,铸件质量好,满足机车类精铸件生产要求。
The conclusion is drawn that the temperature of sol can cause the change of the specific surface area of silica and become bad mechanical and processing properties.
得出结论,溶胶阶段的反应温度会导致白炭黑比表面积变化,导致胶料的机械性能和加工性能变差。
The process and mechanism of solidification of wollastonite silica sol slurry are studied.
研究了硅灰石硅溶胶浆体的固化过程及机理。
The present invention relates to a method of preparing a composition comprising mixing a silica sol having an S-value from about 5 to about 50% and a mineral acid.
本发明涉及制备组合物的方法,该方法包括将S值为约5%至约 50%的硅溶胶与无机酸混合。
The requirements for silica sol and refractory powder for mold shell in face layer differ from that in back layer.
硅溶胶型壳的面层和背层对硅溶胶和耐火粉料的要求是不一样的。
Objective: Aim of this study was to evaluate the effect of silica coating with sol-gel process on bonding strength between glass infiltrated alumina ceramic and resin luting cement.
目的:探讨利用溶胶凝胶法进行纳米硅涂层表面改性对玻璃渗透氧化铝陶瓷粘结强度的影响。
Preparation and usage of polyvinyl formal modified with polyacrylate and silica sol are introduced.
介绍了一种用聚丙烯酸酯和硅溶胶改性聚乙烯醇缩甲醛的制备方法和用途。
In-situ colloidal forming of ceramics is the most promising method in making the near-net-shape and complicated ceramics, to which silica and alumina sol have been widely applied.
陶瓷原位胶态成形方法是制备近净尺寸复杂陶瓷部件最具应用前景的方法,硅溶胶、铝溶胶也越来越多的应用于其中。
The mesoporous silica-based xerogel had been synthesized using improved sol-gel method.
本研究利用改进的溶胶-凝胶工艺合成了介孔硅基干凝胶。
Structure evolution of both TEOS and colloidal silica in the sol-gel process was studied.
研究了正硅酸乙酯(TEOS)和硅溶胶水解聚合过程中溶胶聚合物分子的生长过程。
The coating layer of silica and magnesium oxides was prepared by sol-gel method.
硅镁氧化物包覆层采用溶胶-凝胶法制备,由正硅酸乙脂水解和缩聚得到。
In this paper, first, the organically modified nano-silica was prepared by sol - gel method, and then as-prepared nano-silica was used to modify WRP.
本文首先采用溶胶-凝胶法制备有机改性纳米二氧化硅,然后利用制备好的纳米二氧化硅改性废胶粉(wrp)。
Surface structured silica hollow microspheres were synthesized using the rape pollen grain as a biotemplate via a facile sol-gel method and a succedent calcinations process.
利用油菜花粉作为生物模板,通过溶胶在花粉颗粒表面包裹,再经高温烧结去除花粉颗粒的方法制备了具有特殊表面形貌的二氧化硅中空微球。
Surface structured silica hollow microspheres were synthesized using the rape pollen grain as a biotemplate via a facile sol-gel method and a succedent calcinations process.
利用油菜花粉作为生物模板,通过溶胶在花粉颗粒表面包裹,再经高温烧结去除花粉颗粒的方法制备了具有特殊表面形貌的二氧化硅中空微球。
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