Defoaming agents devoid of emulsifiers, method for producing said agents and use thereof
    7.
    发明申请
    Defoaming agents devoid of emulsifiers, method for producing said agents and use thereof 审中-公开
    不含乳化剂的消泡剂,生产所述试剂的方法及其用途

    公开(公告)号:US20060276554A1

    公开(公告)日:2006-12-07

    申请号:US10570154

    申请日:2004-08-27

    IPC分类号: B01D17/05

    CPC分类号: B01D19/0422 B01D19/0404

    摘要: Emulsifier-free antifoams are obtainable by mixing a) from 80 to 99% by weight of at least one finely divided, virtually water-insoluble, inert solid with b) from 1 to 20% by weight of at least one hydrophobic, organic compound which has an antifoam action and is solid at room temperature in the absence of a solvent in a shear gradient such that the particle size of the compounds (b) which have an antifoam action is reduced to a mean particle size of from 0.5 to 15 μm, emulsifier-free oil-in-water dispersions of mixtures of (a) and (b) are prepared by mixing the component (a) in an amount of from 80 to 99% by weight with the compounds of component (b) in an amount of from 1 to 20% by weight in the absence of emulsifiers in an extruder or kneader in a manner such that the mean particle size of the component (b) in the mixture is brought to 0.5 to 15 μm, at up to 100° C., and emulsifying the mixture in water, and the oil-in-water dispersions thus obtainable are used as antifoams and/or deaerators for aqueous, disperse or nondisperse liquids, in particular as antifoams and/or deaerators in the paper industry, in the food industry and in wastewater treatment plants.

    摘要翻译: 不含无乳化剂的消泡剂可通过将a)80至99重量%的至少一种细分的,实际上不溶于水的惰性固体与b)1至20重量%的至少一种疏水性有机化合物 具有消泡作用,并且在不存在溶剂的剪切梯度的情况下在室温下是固体,使得具有消泡作用的化合物(b)的粒度降低至0.5至15μm的平均粒度, (a)和(b)的混合物的无乳化剂的水包油分散体通过将组分(a)以80至99重量%的量与组分(b)的化合物的量以 在挤出机或捏合机中,在不存在乳化剂的情况下为1至20重量%,使混合物中组分(b)的平均粒度达到0.5至15μm,在高达100℃ 并将混合物乳化在水中,并且由此获得的水包油分散体用作消泡剂和/或 用于水性,分散或非分散液体的脱气器,特别是在造纸工业,食品工业和废水处理厂中的消泡剂和/或脱气剂。

    Water-absorbing polymeric particles and method for the production thereof
    8.
    发明授权
    Water-absorbing polymeric particles and method for the production thereof 有权
    吸水性聚合物颗粒及其制备方法

    公开(公告)号:US08846565B2

    公开(公告)日:2014-09-30

    申请号:US12668183

    申请日:2008-07-21

    CPC分类号: A61L15/60 A61L15/42 A61L15/58

    摘要: The present invention relates to a water absorbing material obtainable by a process comprising the steps of bringing particles of a non surface-crosslinked water-absorbing polymer in contact with a) at least one postcrosslinker, b) 10-1000 ppm, based on the non surface-crosslinked water-absorbing polymer, of at least one Nitrogen-containing water-soluble polymer of which the Nitrogen can be protonated, and c) at least one hydrophobic polymer and heat-treating the particles thus obtained at a temperature in the range from 120° C. to 300° C. and a method for the production thereof.

    摘要翻译: 本发明涉及一种吸水材料,该方法包括以下步骤:使非表面交联的吸水聚合物的颗粒与a)至少一个后交联剂接触,b)10-1000ppm,基于非 - 表面交联的吸水聚合物,其至少一种含氮的水溶性聚合物,其中氮可以被质子化,和c)至少一种疏水性聚合物,并且在如下得到的温度下热处理由此获得的颗粒: 120℃〜300℃及其制造方法。

    Water-Absorbing Polymeric Particles and Method for the Production Thereof
    10.
    发明申请
    Water-Absorbing Polymeric Particles and Method for the Production Thereof 审中-公开
    吸水聚合物颗粒及其制备方法

    公开(公告)号:US20100190932A1

    公开(公告)日:2010-07-29

    申请号:US12668948

    申请日:2008-07-21

    IPC分类号: C08L85/02

    CPC分类号: A61L15/60

    摘要: The present invention relates to a water absorbing material obtainable by a process comprising the steps of bringing particles of a non surface-crosslinked water-absorbing polymer in contact with a) at least one post-crosslinker, b) 0.1-1.0 wt. % of at least one water-insoluble metal phosphate, based on the non surface-crosslinked water-absorbing polymer, and at least one further ingredient selected from c) at least one Nitrogen-containing water-soluble polymer of which the Nitrogen can be protonated, and d) at least one hydrophobic polymer and heat-treating the particles thus obtained at a temperature in the range from 120° C. to 300° C. and a method for the production thereof.

    摘要翻译: 本发明涉及一种吸水材料,该方法包括以下步骤:使非表面交联的吸水聚合物的颗粒与a)至少一种后交联剂接触,b)0.1-1.0wt。 至少一种不溶于水的金属磷酸盐,基于非表面交联的吸水聚合物,以及至少一种其它成分,选自c)至少一种含氮的水溶性聚合物,其中氮可被质子化 ,和d)至少一种疏水性聚合物,并在120℃至300℃的温度范围内对由此获得的颗粒进行热处理及其制备方法。