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    METHOD FOR GRANULATING UREA
    1.
    发明申请
    METHOD FOR GRANULATING UREA 审中-公开

    公开(公告)号：US20200002274A1

    公开(公告)日：2020-01-02

    申请号：US16494710

    申请日：2018-03-06

    申请人： TOYO ENGINEERING CORPORATION

    发明人： Shuhei NAKAMURA ,  Akiko USHIFUSA ,  Keigo SASAKI

    IPC分类号： C07C273/16 ,  C07C275/00 ,  B01J2/00

    摘要： Precipitation of an ammonium salt is prevented while suppressing an increase in water content of the aqueous urea solution which is to be supplied to a urea granulation step, when recovering and using urea and NH3 in a gas which contains urea dust and NH3 and which arises from a urea granulation step. Provided is a method for granulating urea including a granulation step of producing granular solid urea from a feed aqueous urea solution by using air; a recovery step of recovering urea dust and NH3 from air discharged from the granulation step, by use of an aqueous solution containing an acid, so as to obtain a recovered solution containing urea and an ammonium salt; a salt concentration adjustment step of mixing the recovered solution with an aqueous urea solution having a lower ammonium salt concentration than the recovered solution, so as to adjust the ammonium salt concentration of the recovered solution; a concentration step of concentrating the solution obtained from the salt concentration adjustment step by vaporizing water contained in the solution obtained from the salt concentration adjustment step, so as to obtain a concentrated recovered solution; and a mix step of mixing the concentrated recovered solution with the feed aqueous urea solution, wherein the ammonium salt concentration of the concentrated recovered solution is 7 mass % or less.

    Thermal responsive molecule
    4.
    发明授权
    Thermal responsive molecule 失效
    热响应分子

    公开(公告)号：US08772540B2

    公开(公告)日：2014-07-08

    申请号：US12950098

    申请日：2010-11-19

    申请人： Noboru Koga ,  Satoru Karasawa ,  Hiroyuki Hayashi

    发明人： Noboru Koga ,  Satoru Karasawa ,  Hiroyuki Hayashi

    IPC分类号： C07C275/00

    CPC分类号： C07C275/40

    摘要： Provided is a thermal responsive molecule favorable as a thermal responsive low-molecular hydrogelling agent or the like that gels in response to heat. The thermal responsive molecule is characterized in that an amphiphilic side chain obtained by bonding a hydrophilic side chain such as triethylene glycol and a hydrophobic group such as an octyl group is introduced into a C3-symmetric disc-shaped molecular skeleton such as 1,3,5-benzenetriyltriurea. For example, the thermal responsive molecule is 1,1′,1″-(benzene-1,3,5-triyl)tris{3-(2,5,8,11-tetraoxaheptadecan-17-yl)urea} or the like.

    摘要翻译： 提供作为响应于热而凝胶化的热响应性低分子量水凝胶剂等的热响应分子。 热响应分子的特征在于将三乙二醇和疏水基如辛基等亲水性侧链结合而得到的两亲侧链引入C3对称盘状分子骨架，例如1,3， 5-苯三基三脲。 例如，热响应分子是1,1'，1“ - （苯-1,3,5-三基）三{3-（2,5,8,11-四氧杂十七烷-17-基）脲}或 喜欢。

    Gas deacidizing method using an absorbent solution with vaporization and/or purification of a fraction of the regenerated absorbent solution
    6.
    发明授权
    Gas deacidizing method using an absorbent solution with vaporization and/or purification of a fraction of the regenerated absorbent solution 有权
    使用吸收剂溶液的气体脱酸方法，其蒸发和/或纯化一部分再生吸收剂溶液

    公开(公告)号：US08357344B2

    公开(公告)日：2013-01-22

    申请号：US12720752

    申请日：2010-03-10

    申请人： Pierre-Antoine Bouillon ,  Marc Jacquin

    发明人： Pierre-Antoine Bouillon ,  Marc Jacquin

    IPC分类号： B01D53/52 ,  B01D53/62 ,  C01B35/12 ,  C01B25/30 ,  C07C275/00

    CPC分类号： B01D53/78 ,  B01D53/1425 ,  B01D53/1462 ,  B01D53/1468 ,  B01D53/1475 ,  B01D53/1493 ,  B01D53/62 ,  B01D2257/304 ,  B01D2257/504 ,  C01B3/52 ,  C01B32/50 ,  C01B2203/0475 ,  C01B2203/0485 ,  C10L3/10 ,  C10L3/102 ,  F23J15/04 ,  F23J2219/40 ,  Y02C10/04 ,  Y02C10/06 ,  Y02E20/326 ,  Y02P20/152

    摘要： The gaseous effluent to be treated is contacted in column C1 with an absorbent solution selected for its property of forming two separable phases when it is heated. The regenerated absorbent solution is separated into two phases in drum B1; a fraction rich in water and a fraction rich in reactive compounds.Separation allows to optimize the operations performed on the regenerated absorbent solution. On the one hand, separation allows to carry out vaporization, through reboiler R1, of a fraction of the absorbent solution, preferably containing a limited reactive compound concentration in relation to the absorbent solution, thus limiting their degradation. On the other hand, separation of the phases allows to reduce the amount of solution to be treated in order to remove the non-regeneratable salts and thus to reduce the costs linked with their elimination. Finally, separation allows to eliminate the degradation products by carrying out a specific and suitable purification for each phase.The method can be applied to combustion fumes decarbonation and to natural gas or synthesis gas deacidizing.

    摘要翻译： 待处理的气态流出物在塔C1中与选择用于在加热时形成两个可分离相的性质的吸收剂溶液接触。 再生的吸收剂溶液在鼓B1中分成两相; 富含水分和富含反应性化合物的级分。 分离允许优化对再生吸收剂溶液进行的操作。 一方面，分离允许通过再沸器R1蒸发一部分吸收剂溶液，优选相对于吸收剂溶液含有有限的反应化合物浓度，从而限制其降解。 另一方面，相的分离允许减少待处理的溶液的量以除去不可再生的盐，从而降低与其消除相关的成本。 最后，分离允许通过对每个相进行特定和合适的纯化来消除降解产物。 该方法可应用于燃烧脱烟和天然气或合成气脱酸。

    Aldimines and compositions comprising aldimine
    7.
    发明授权
    Aldimines and compositions comprising aldimine 有权
    醛亚胺和组合物，其包含阿维胺

    公开(公告)号：US08252859B2

    公开(公告)日：2012-08-28

    申请号：US12451955

    申请日：2008-07-16

    申请人： Urs Burckhardt

    发明人： Urs Burckhardt

    IPC分类号： C08K5/41 ,  C07C275/00

    CPC分类号： C07C251/08 ,  C07D295/108 ,  C07D295/13 ,  C08G18/12 ,  C08G18/3256 ,  C08G18/4812 ,  C08G18/6696 ,  C08G18/808 ,  C08G2190/00 ,  C09D175/04 ,  C09J175/04 ,  C08G18/289 ,  C08G18/792

    摘要： Aldimines of formula (I) that are particularly suitable as latent hardeners in curable compositions, particularly compositions having one or two-component isocyanate groups. Due to the presence of the reactive group, they can be converted to compounds of formulas (X) and (XII) having aldimine groups. The aldimines, or the aldimine compounds, can be used primarily in adhesive and sealant materials, but also in coatings, and can be produced easily from readily available source materials, and have good thermal stability. The tertiary amino group thereof has a surprisingly low alkalinity and can in some cases have a catalytic effect in chemical reaction systems.

    摘要翻译： 在可固化组合物中特别适用作潜在硬化剂的式（I）的醛，特别是具有一个或两个组分的异氰酸酯基团的组合物。 由于存在反应性基团，它们可以转化成具有亚胺基的式（X）和（XII）化合物。 醛亚胺或醛亚胺化合物可以主要用于粘合剂和密封材料，也可用于涂料中，并且可以容易地从容易获得的原料生产，并且具有良好的热稳定性。 其叔氨基具有令人惊讶的低碱度，并且在一些情况下在化学反应体系中具有催化作用。

    Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and use thereof
    9.
    发明授权
    Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and use thereof 有权
    用烷氧基硅烷官能团合成缩二脲和异氰酸酯，含有其的制剂及其应用

    公开(公告)号：US07875693B2

    公开(公告)日：2011-01-25

    申请号：US10579808

    申请日：2004-12-16

    申请人： Jean-Marie Bernard ,  Johannes Schwarz ,  Denis Revelant

    发明人： Jean-Marie Bernard ,  Johannes Schwarz ,  Denis Revelant

    IPC分类号： C07C273/00 ,  C07C275/00 ,  C08G18/08 ,  C08G18/28 ,  C08G77/04 ,  C08G77/26 ,  C08L75/00 ,  C08L83/00 ,  C08L83/04

    CPC分类号： C07F7/1804

    摘要： The invention relates to a composition and a method of preparing one such composition and an isocyanatoalkoxysilane; the polyisocyanate composition contains at least two different oligomeric compounds comprising at least three units and at most five units selected from aminoalkylsilane units and diamine units and at least one function selected from isocyanate functions and from those derived therefrom, the aforementioned compounds having at least two aminoalkylsilane units and another compound having at least two diamine units; the invention is suitable for coatings.

    摘要翻译： 本发明涉及一种制备这种组合物和异氰酸烷基烷氧基硅烷的组合物和方法; 所述多异氰酸酯组合物含有至少两种不同的低聚物，所述低聚物包含至少三个单元且至多五个选自氨基烷基硅烷单元和二胺单元的单元和至少一种选自异氰酸酯官能团的官能团和由其衍生的功能，上述具有至少两个氨基烷基硅烷 单元和具有至少两个二胺单元的另一化合物; 本发明适用于涂料。