Process for the production of microcapsules
    2.
    发明授权
    Process for the production of microcapsules 失效
    微胶囊生产工艺

    公开(公告)号:US4412959A

    公开(公告)日:1983-11-01

    申请号:US271607

    申请日:1981-06-08

    摘要: A process for the production of microcapsules by interfacial polyreaction, which comprises mixing a first reactant with an emulsion of a solution of a material to be encapsulated and a second reactant whereby the first and second reactants react to form a capsule containing the said material and wherein the second reactant dissolved in the disperse phase is a nitrogen-containing heterocyclic compound corresponding to one of the formulae I, II or III ##STR1## wherein at least two of the radicals A, B, D and E are halogen atoms, ammonium, hydrazinium, sulfonium, optionally substituted alkyl sulfonyl, aryl sulfonyl, aralkyl sulfonium, azido, aryloxy, thiocyano arylthio and sulfonic acid residues which are reactive under the conditions of the capsule-forming reaction and the remaining radicals A, B, D, E are hydrogen, alkyl, aryl, alkoxy, phenoxy, alkylamino or phenylamino radicals which are not reactive under the conditions of the capsule-forming reaction.

    摘要翻译: 一种通过界面聚合反应生产微胶囊的方法,其包括将第一反应物与待包被材料的溶液和第二反应物的溶液混合,由此第一和第二反应物反应形成含有所述材料的胶囊,其中 溶解在分散相中的第二反应物是对应于式I,II或III之一的含氮杂环化合物。其中基团A,B,D和E中的至少两个是卤素原子,铵,腙 ,在胶囊形成反应条件下残留的基团A,B,D,E具有反应性的锍,任选取代的烷基磺酰基,芳基磺酰基,芳烷基锍,叠氮基,芳氧基,硫氰基芳硫基和磺酸残基为氢, 烷基,芳基,烷氧基,苯氧基,烷基氨基或苯基氨基,其在胶囊形成反应条件下不具有反应性。

    Inorganic-organic fixed-dressings and a process for their production
    5.
    发明授权
    Inorganic-organic fixed-dressings and a process for their production 失效
    无机 - 有机固定敷料及其生产工艺

    公开(公告)号:US4544683A

    公开(公告)日:1985-10-01

    申请号:US611792

    申请日:1984-05-18

    CPC分类号: C04B24/282 Y10T428/31551

    摘要: A process for producing an inorganic-organic composition material based on gypsum and polyurethane comprising exposing calcined gypsum or anhydrite to the action of water in the presence of a polyurethane or polyurethane-urea which is dispersible in water and in the presence of up to about 20% by weight (relative to the total mixture) of an alcohol and up to about 20% by weight (relative to the total mixture) of another organic solvent, and allowing the composition to set while permitting any solvents which may be present to evaporate. The calcium sulphate may be on a textile support or the composition may be molded into flexible shaped articles of good mechanical properties.

    摘要翻译: 一种用于生产基于石膏和聚氨酯的无机 - 有机组合物材料的方法,其包括在聚氨酯或聚氨酯 - 尿素存在下将煅烧石膏或无水石膏暴露于水的作用下,所述聚氨酯或聚氨酯 - 尿素可分散于水中,并且在高达约20 醇的重量%(相对于总混合物)和最多约20重量%(相对于总混合物)的另一种有机溶剂,并且允许组合物在允许任何可能存在的溶剂蒸发的同时凝固。 硫酸钙可以在织物载体上,或者该组合物可以被模塑成具有良好机械性能的柔性成型制品。