Porous material composed of layered silica and metal oxide and a process
for manufacturing the same
    4.
    发明授权
    Porous material composed of layered silica and metal oxide and a process for manufacturing the same 失效
    由层状二氧化硅和金属氧化物构成的多孔材料及其制造方法

    公开(公告)号:US5508081A

    公开(公告)日:1996-04-16

    申请号:US192933

    申请日:1994-02-07

    摘要: A porous material composed of many SiO.sub.4 tetrahedra sheets having interlayer bridges of SiO.sub.2. It has pores having a diameter of 10 .ANG. or above, and possesses the properties of a solid acid formed by the isomorphous substitution of metal atoms for Si of SiO.sub.4 frameworks. It is made by a process including introducing an organic substance into interlayer space of crystals of layered silicates to expand the spacing between crystal layers, as well as forming bridges of SiO.sub.2 therebetween, bringing the intercalated compounds into contact with a metal salt to link metal atoms to the SiO.sub.4 frameworks, and firing the products. The material can withstand a temperature of 800.degree. C., has a pore diameter larger than that of zeolites, etc., and is useful in making an adsorbent or catalyst for molecules having a high molecular weight, such as a catalyst for the catalytic cracking of petroleum.

    摘要翻译: 由具有SiO 2层间桥的许多SiO 4四面体片组成的多孔材料。 它具有直径为10或更大的孔,并且具有通过金属原子对SiO 4骨架的Si的同晶取代而形成的固体酸的性质。 它是通过包括将有机物质引入到层状硅酸盐晶体的层间空间中以扩大晶体层之间的间距,以及在其间形成二氧化硅之间的过程,使插入的化合物与金属盐接触以连接金属原子 到SiO4框架,并烧制产品。 该材料可以承受800℃的温度,孔径大于沸石等的孔径,并且可用于制备具有高分子量的分子的吸附剂或催化剂,例如用于催化裂化的催化剂 的石油。

    Process for preparing organic smectite by solid-solid reaction
    6.
    发明授权
    Process for preparing organic smectite by solid-solid reaction 失效
    固相反应制备有机蒙皂石的方法

    公开(公告)号:US5028351A

    公开(公告)日:1991-07-02

    申请号:US515305

    申请日:1990-04-27

    CPC分类号: C01B33/44

    摘要: A process for preparing organic smectite applied for thickener, protective colloid, dispersant and binder. The present invention features the process for preparing the organic smectite by mixing smectite incluidng 0 to 20% by weight of interlayer water in the interlayer spaces of said smectite with organic cation-supplying substance selected from at least one of aliphatic alkylamine salts, aromatic amine salts and basic organic compound having pyridine nucleus, and/or basic organic molecule in a mixing ratio of the latter to the former of 10 to 500 milliequivalents per 100 g smectite, and stirring the resulting mixture at a temperature of 5.degree. to 50.degree. C. under an applied pressure of 0.5 to 10 kg/cm.sup.2 to cause a solid-solid reaction. By the process of the present invention, exchangeable organic cations and/or basic organic molecules as a guest substance are intercalated int he interlayer spaces of the smectite as a host substance, thus the hydrophilic smectite can convert to the organic smectite by a more simplified solid-solid reaction than a liquid-liquid reaction.

    摘要翻译: 一种制备有机蒙皂石的方法,用于增稠剂,保护胶体,分散剂和粘合剂。 本发明的特征在于通过将含有0-20%重量的层间水的蒙皂石与所述蒙皂石的层间空间中的有机阳离子供应物质混合,所述有机阳离子供体物质选自以下中的至少一种:脂族烷基胺盐,芳族胺盐 和具有吡啶核的碱性有机化合物和/或碱性有机分子,其混合比例相对于每100克蒙皂石的10-500毫当量的混合比,并在5℃至50℃的温度下搅拌所得混合物。 在0.5〜10kg / cm2的施加压力下进行固体 - 固体反应。 通过本发明的方法,作为客体物质的交换性有机阳离子和/或碱性有机分子以蒙脱石的层间空间作为主体物质嵌入,因此亲水性绿土可以通过更简单的固体转化为有机蒙皂石 固液反应比液 - 液反应。

    Method for manufacture of high-expansion type absorbent polymer
    8.
    发明授权
    Method for manufacture of high-expansion type absorbent polymer 失效
    高膨胀型吸收性聚合物的制造方法

    公开(公告)号:US4735987A

    公开(公告)日:1988-04-05

    申请号:US880447

    申请日:1986-06-30

    摘要: This invention provides a method for the manufacture of a high-expansion type absorbent polymer by first causing an absorbent polymer which is obtained by polymerization of a monomer and is possessed of an alkali salt of acrylic acid as a component of polymer to be cross-linked at the time of azeotropic dehydration thereof with a cross-linking agent possessing two or more functional groups in the presence of an inorganic salt and subsequently drying the cross-linked polymer. By the method of this invention, there can be obtained a high-expansion type absorbent material which absorbs water quickly and forms a gel not viscid but permeable to gas. This absorbent material is highly advantageously used as absorbent for sanitary materials free from leaking water and as a water-retaining agent for agricultural applications hardly causing rotton plant roots.

    摘要翻译: 本发明提供一种制造高膨胀型吸收性聚合物的方法,首先引入吸收性聚合物,该吸收性聚合物是通过聚合单体得到的,并且具有丙烯酸的碱金属盐作为要交联的聚合物的组分 在与无机盐存在下具有两个或更多个官能团的交联剂共沸脱水时,随后干燥交联聚合物。 通过本发明的方法,可以获得快速吸水的高膨胀型吸收材料,并且形成不粘稠且可渗透气体的凝胶。 该吸收材料非常有利地用作不含水泄漏的卫生材料的吸收剂,并且作为几乎不产生罗氏植物根系的农业用途的保水剂。