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Silicoaluminophosphate (SAPO–5) molecular sieves were synthesized by the hydrothermal method, using metakaolin with a certain degree of activity as the silicon and aluminum sources, phosphoric acid as the phosphorus source and triethylamine com- bined with hydrofluoric acid as the template agents.

以具有一定活性的偏高岭土兼作铝源与源、正磷酸作磷源、三乙胺和氢氟酸为复合模板剂,用水热方法合成了磷酸铝分子筛(SAPO–5)。

The method adopts the following steps: after mixed, phosphorus source, silicon source, aluminum source, an organic template agent, water and a precursor of the SAPO molecular sieve are hydrothermally crystallized for at least 0.1 hour at the temperature ranging from 110 to 260 DEG C to obtain the SAPO molecular sieve; wherein, the preparation method for the precursor of the SAPO molecular sieve has the following steps:, the molar ratio is 0.03 to 0.6 R:(Si0.01 to 0.98: Al 0.01 to 0.6: P0.01 to 0.6): 2 to 500 H2O; wherein, R stands for mixture solution of raw materials which is blended by the phosphorus source, the silicon source, the aluminum source, the an organic template agent and water of the template agent;, the mixture solution of raw materials prepared in step reacts at the temperature which is at least 50 DEG C lower than the crystallization temperature for at least 0.1 hour.

本发明通过采用包括以下步骤:将磷源、源、铝源、有机模板剂、水和SAPO分子筛前驱体混合后在110~260℃的温度下水热晶化至少0.1小时获得SAPO分子筛;其中SAPO分子筛的前驱体的制备包括以下步骤:将摩尔配比为0.03~0.6R∶(Si0.01~0.98∶Al0.01~0.6∶P0.01~0.6)∶2~500H 2 O,式中R代表模板剂的磷源、源、铝源、有机模板剂和水混合成原料混合液;将步骤制备的原料混合液在低于晶化温度至少50℃的温度下反应至少0.1小时的技术方案较好地解决了该问题,可应用于含氧化合物制烯烃催化剂的制备过程。

The results indicate that the average permeability coefficient of 2 hours calculated by using the proposed method can effectively reflect the waterproofing effect of silicane.

结果表明,采用这种方法计算出的2h平均渗透系数可有效反映烷的防水效果。关键词:烷;防水;现场;评价;方法

The objective in this study is to reduce the aggregate phenomenon of SiO2-sol and improve the storage/release thermal properties of the composite phase change materials. Silicane coupling agent was used to modify the SiO2sol during preparing CPCMs by sol-gel method.

为改善溶胶-凝胶法复合相变材料过程中溶胶易团聚的问题,采用烷偶联剂对SiO2溶胶进行改性,提升复合相变材料的热储、放性能。

In this paper, the effect of silicane coupling agent γ-aminopropyl triethy-oxysilane(A-1100) on interface properties of short glass fibre reinforced polycarbonate is report-ed.

针对短切玻纤增强聚碳酸酯体系,研究了烷偶联剂γ-氨丙基三乙基烷(A-1100)在上述复合体系中的界面偶联特性。

In this paper, active groups terminated silicane was used to react with the hydroxyls of bisphenol A epoxy resins, that introduced organic silicon without consuming epoxy groups. This modifying process improved the combining degree of the cured resin, so both the toughness and the other characters (as strength, thermal resistance) were all could be improved.

为此本论文采用国内外文献中尚未见报道的、带活性基团的有机来改性双酚A型环氧树脂,通过端基基团与环氧链上的羟基反应生成大键能的Si-O键的方式来引进有机,改性过程中不仅不消耗环氧基,并且还提高了树脂固化物的交联密度,所以既能增韧树脂,又能提高其耐热、耐冲击等各项性能。

Summarize the condition that the silicified wood forms, must possess: The volcano breaks out or other reasons make the stratum subside, the trees are buried deeply, the environment close, bear the high pressure, stand the infiltration of the high-temperature karst taking oxidizing silicons two times as principal ingredients, go through it with the endless long river that must be written every year, just reach the silication right fruit after all.

概括化木形成的条件,必须具备:火山暴发或其他原因使地层陷落、树木深埋、环境封闭、承受高压,并经受以二氧化为主要成分的高温岩溶的浸润,历经以千万年记的漫漫长河,才终达化正果。

So it has more important significance that how to recognize silicified rock from host rock and the extent of silicify.

因此,如何正确地识别化岩石与原岩,以及化的强弱对于找矿有着重要意义。

Silicify or silicified rock is one more efficacious sign for exploring mine in Xikuangshan antimony deposit.

化/化岩石是锡矿山锑矿的一种很有效的找矿标志。

Silicofluoride acid radical of the mother liquor will be transformed into sodium silicofluoride if excess sodium chloride was added,and the mother liquor was refined.The refined hydrofluoric acid and various aluminum can compose the by-product-cryolite,which can improve the collection rate of fluorin,aluminum and silicon.

其关键技术为氯化钠脱:投入过量氯化钠,使母液中氟酸根转化成副产品氟酸钠,母液被精制;再加入精制氢氟酸与各形态铝合成冰晶石副产品,从而有效地提高了氟、铝和的收率。

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