Swimsuit
    1.
    外观设计
    Swimsuit 失效

    公开(公告)号:USD503512S1

    公开(公告)日:2005-04-05

    申请号:US29180035

    申请日:2003-04-17

    Applicant: Udo Wolf

    Designer: Udo Wolf

    Spectroscopic analysis process for plastic mixtures
    2.
    发明授权
    Spectroscopic analysis process for plastic mixtures 失效
    塑料混合物的光谱分析方法

    公开(公告)号:US5206510A

    公开(公告)日:1993-04-27

    申请号:US788645

    申请日:1991-11-06

    CPC classification number: G01N33/442 G01N21/3563

    Abstract: The invention relates to a process for the analysis of plastic mixtures by infrared transmission spectroscopy in which the spectra are run while the samples are rotated. This measure improves the accuracy and reproducibility of the spectra and, hence, the determination of individual components of the plastic mixture.

    Abstract translation: 本发明涉及一种通过红外透射光谱分析塑料混合物的方法,其中在样品旋转的同时运行光谱。 该措施提高了光谱的准确性和可重复性,因此提高了塑料混合物的各个组分的测定。

    Pressure-proof process window
    3.
    发明授权
    Pressure-proof process window 失效
    耐压工艺窗

    公开(公告)号:US06731385B1

    公开(公告)日:2004-05-04

    申请号:US09937409

    申请日:2001-09-24

    CPC classification number: G01N21/01 G01N21/0317

    Abstract: A pressure-resistant process window (1) for visual or spectroscopic examinations of pressurized products in pipes and reactors. The process window (1) consists of at least a measurement-cell body (2), which is connected to the pipe or the reactor, and a transparent window pane (3), a seal (4) between the measurement-cell body (2) and the window pane (3) for sealing the reactor or pipe interior off from the environment, where the window pane (3) is held against the measurement-cell body (2) in a sealing manner by use of a screw barrel (5) having an external thread (6), which can be screwed into a hollow barrel (7) with internal thread (8) which is connected to the measurement-cell body (2).

    Abstract translation: 用于视觉或光谱检查管道和反应堆中加压产品的耐压工艺窗(1)。 工艺窗口(1)至少包括连接到管道或反应器的测量单元体(2)和透明窗玻璃(3),测量单元体(3)之间的密封件(4) 2)和窗玻璃(3),用于将反应器或管道内部从环境中密封,其中窗玻璃(3)以密封方式通过使用螺杆筒(2)保持抵靠测量单元体(2) 5)具有外螺纹(6),其可以与连接到测量单元体(2)的内螺纹(8)拧入中空筒(7)中。

    Procedure for the controlled production or modification of polymeric products by means of IR-ATR spectroscopy
    4.
    发明授权
    Procedure for the controlled production or modification of polymeric products by means of IR-ATR spectroscopy 失效
    通过IR-ATR光谱法控制生产或改性聚合物产品的方法

    公开(公告)号:US06522408B1

    公开(公告)日:2003-02-18

    申请号:US09246179

    申请日:1999-02-04

    CPC classification number: C08F8/04 C08F8/20 G01N21/3563

    Abstract: This invention relates to a procedure for the controlled production or for the modification of polymeric products using IR-ATR spectroscopy, wherein the case of a polymerization reaction the extinction is determined of the characteristic IR absorption bands for the monomer used and the resulting polymeric product or in the case of a polymer modification the characteristic IR absorption bands of the starting material used and of the modified polymeric product are determined, the degree of conversion or the degree of modification is calculated from the absorption bands, and when the desired degree of conversion or the desired degree of modification is reached the reaction is stopped by suitable measures. By means of the procedure, which is described according to the invention, it is possible to carry out polymerization reactions or the modification of polymeric products to the desired degree of conversion or degree of modification by means of IR-ATR spectroscopy, without high technical expenditure and under accurately controlled conditions.

    Abstract translation: 本发明涉及使用IR-ATR光谱法控制生产或改性聚合物产品的方法,其中聚合反应的情况是消光是由所用单体的特征IR吸收带和所得聚合物产物或 在聚合物改性的情况下,确定使用的原料和改性聚合物的特征IR吸收带,根据吸收带计算转化度或改性度,并且当希望的转化率或 达到所需的修饰程度,通过适当的措施停止反应。 通过根据本发明描述的方法,可以通过IR-ATR光谱法进行聚合反应或将聚合物改性成所需的转化度或改性程度,而不需要高技术支出 并在精确控制的条件下。

    Process for the preparation of partially hydrogenated acrylonitrile-butadiene rubbers (HNBR) with on-line application of Raman spectroscopy
    5.
    发明授权
    Process for the preparation of partially hydrogenated acrylonitrile-butadiene rubbers (HNBR) with on-line application of Raman spectroscopy 有权
    在线应用拉曼光谱法制备部分氢化的丙烯腈 - 丁二烯橡胶(HNBR)的方法

    公开(公告)号:US06307624B1

    公开(公告)日:2001-10-23

    申请号:US09133261

    申请日:1998-08-13

    CPC classification number: C08F8/04 C08C19/02

    Abstract: The present invention relates to a process for the preparation of partially hydrogenated acrylonitrile-butadiene rubber in a pressurised reactor by hydrogenation of acrylonitrile-butadiene rubber by means of homogeneous or heterogeneous catalysis, in which the reactor contents are rendered inert before commencement of the hydrogenation, the Raman spectra of the reactor contents are recorded at short time intervals and the actual degree of hydrogenation of the product is determined from the intensities of the Raman emission lines and, on attainment of the required degree of hydrogenation, the reaction is arrested by suitable means.

    Abstract translation: 本发明涉及一种在加压反应器中通过均相或多相催化氢化丙烯腈 - 丁二烯橡胶制备部分氢化的丙烯腈 - 丁二烯橡胶的方法,其中反应器内容物在开始氢化之前变成惰性的, 以短时间间隔记录反应器内容物的拉曼光谱,并且根据拉曼发射谱线的强度确定产物的实际氢化程度,并且在达到所需的氢化程度时,通过合适的方法阻止反应 。

    Determining the reaction progress of graft polymerization reactions
    7.
    发明授权
    Determining the reaction progress of graft polymerization reactions 失效
    确定接枝聚合反应的反应进程

    公开(公告)号:US07122379B2

    公开(公告)日:2006-10-17

    申请号:US10281597

    申请日:2002-10-28

    CPC classification number: C08F279/04 G01N21/65 G01N2021/656 Y10T436/24

    Abstract: A method of using Raman Spectra for determining the progress of a graft polymerization reaction is disclosed. The method entails (a) measuring at the beginning of the reaction and at a plurality of time intervals in the course of the reaction, continuously and on-site, the Raman spectrum in the wave number range of 100 to 4000 cm−1 of one or more of the monomers and/or polymers entailed in the reaction and of at least one internal standard and (b) recording the spectra and (c) adding reaction partners necessary to the reaction continuously and/or discontinuously and (d) calculating the change in concentration of the monomers and polymers by comparing the spectra of the monomers or polymers with the internal standard.

    Abstract translation: 公开了一种使用拉曼光谱测定接枝聚合反应进程的方法。 该方法需要(a)在反应开始时和在反应过程中以多​​个时间间隔连续和现场测量波数范围为100至4000cm -1的拉曼光谱, 反应中所含的一种或多种单体和/或聚合物中的1种和至少一种内标,和(b)记录光谱,和(c)连续和/或不连续地加入反应所需的反应伴侣 和(d)通过将单体或聚合物的光谱与内标进行比较来计算单体和聚合物的浓度变化。

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