1) macroporous silica
大孔SiO2
1.
A new preparation method of catalytic material was presented in which macroporous silica was used as carrier and alkali metal was loaded.
提出一种以大孔SiO2为载体,负载碱金属的催化材料的制备方法。
2) mesoporous silica
介孔SiO2
1.
The results showed that the catalysts have superacidities when the loading of SO~(2-)_4/ZrO_2 on mesoporous silica was more than 10wt%;the best result for the esterification of acetic acid w.
以稻壳SiO2为原料,非离子表面活性剂TX-100为模板,制备了介孔SiO2(MSU-2)及其负载SO42-/ZrO2固体超强酸催化剂。
2.
Since the synthesis of mesoporous silica materials in 1992,the materials have become a great demand in many research and application fields,due to its large ratio surface area and regular pore structure.
介孔SiO2因具有较大的比表面积和规整的孔道结构,自1992年首次合成以来,已成为一个研究热点。
3.
The highly ordered mesoporous silica with hexagonal symmetry was synthesized by using an oligomeric surfactant as template under neutral condition.
以此为模板剂 ,在中性条件下合成出结构高度有序的介孔SiO2 材料MCM 4 1。
3) porous SiO2
多孔SiO2
1.
Mesoporous SiO2 monoliths with pore diameter of ~20 nm for enzyme immobilization were synthesized via sol-gel route by using tetraethoxysilane (TEOS), polyethylene glycol (PEG) and gelatin as raw materials.
本文通过溶胶-凝胶法,以正硅酸乙酯、聚乙二醇和明胶为主要原料,制得了孔径约为20nm的生物酶载体用多孔SiO2块状材料,并着重研究了热处理温度对多孔SiO2载体的结构和酶活力的影响。
2.
Ag-carrying porous SiO2 as a new kind of inorganic antibacterial materials was prepared.
探讨了以多孔SiO2为载体的含银无机抗菌剂的制备工艺和灭菌性能。
3.
The large surface area of the resulting SiO2-TiO2 nanocomposites is attributed to the small crystallite size and porous SiO2.
在溶胶-水热法所合成的锐钛矿相TiO2纳米晶基础上,利用模板剂调制的SiO2溶胶进一步合成了多孔SiO2与TiO2复合纳米粒子,重点研究了复合SiO2对纳米锐钛矿相TiO2热稳定性及光催化活性的影响。
4) porous silica
多孔SiO2
1.
Unconsidering the effect of crossing factors,a series experiments with 5-factor and 4-level experiments are designed to study on the effect to diameter of porous silica particles prepared from wollastinite.
在不考虑交互作用情况下,设计了五因素四水平正交实验以考察诸因素对硅灰石制多孔SiO2聚集体颗粒粒径的影响。
2.
This paper reported the study on surface treatment of porous silica by the means of chemistry, microwave and plasma and etc.
通过化学方法、微波照射以及空气等离子体处理对多孔SiO2 表面进行了激活 ,再将激活了的SiO2 进行表面水合 。
3.
Low dielectric constant thin film of nanoporous silica synthesized by sol-gel w as deposited on Si(100) substrate by spin coating.
以正硅酸乙酯 (TEOS)为原料 ,采用旋转涂敷的方法 ,结合溶胶 凝胶技术在硅衬底上制备超低介电常数多孔SiO2 薄膜 采用两种不同的改性方法对薄膜表面进行改性 ,傅里叶变换红外光谱分析发现改性后薄膜中含有大量的—CH3键 ,从而减少了孔洞塌陷 。
5) microporous silica membranes
微孔SiO2膜
6) Mesoporous SiO2 film
介孔SiO2膜
1.
Mesoporous SiO2 film with 2D p6 mm structure was successfully coated on K9 glasses via the hydrolysis-condensation process and the so-called evaporation induced self-assembly process using P123 as a surfactant.
用P123作模板剂,通过正硅酸乙酯的水解缩聚和溶剂蒸发自组装过程在K9玻璃上制备介孔SiO2膜。
补充资料：大孔
分子式：
CAS号：
性质：孔性固体(吸附剂和催化剂)孔的大小与其比表面的大小及吸附质分子的扩散有直接关系。最早由杜比宁提出，后由国际纯化学与应用化学联合会(IUPAC)承认将孔的大小依其缝隙宽度分为三类：大孔(macropores)，>50nm；中孔(mesopores)，2～50nm；微孔(micropores)，<2nm。
CAS号：
性质：孔性固体(吸附剂和催化剂)孔的大小与其比表面的大小及吸附质分子的扩散有直接关系。最早由杜比宁提出，后由国际纯化学与应用化学联合会(IUPAC)承认将孔的大小依其缝隙宽度分为三类：大孔(macropores)，>50nm；中孔(mesopores)，2～50nm；微孔(micropores)，<2nm。
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参考词条