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1. 发明授权

US5151474A Process control method for manufacturing polyolefin 失效
标题翻译：制造聚烯烃的工艺控制方法
公开(公告)号：US5151474A
公开(公告)日：1992-09-29
申请号：US481020
申请日：1990-02-16
申请人： Sandra V. Lange , David P. Denton , Joseph P. Weller , Jean P. Chauvel, Jr. , Stuart Farquharson , Harry D. Ruhl, Jr. , Gregory A. Winter
发明人： Sandra V. Lange , David P. Denton , Joseph P. Weller , Jean P. Chauvel, Jr. , Stuart Farquharson , Harry D. Ruhl, Jr. , Gregory A. Winter
IPC分类号： B01J19/00 , C08F2/06 , C08F10/00
CPC分类号： B01J19/0006 , C08F10/00 , C08F2400/02
摘要： A process control method for controlling a polyolefin polymerization process, such as a solution polyethylene process, which includes five steps. The first step is to flow a stream of a solvent into a polyolefin reactor, such as flowing a stream of heptane solvent into the reactor at essentially a constant rate. The second step is to add a principal monomer to the stream of solvent, such as by adding ethylene at a controllable rate to the stream of solvent. The third step is to add a co-monomer to the stream of solvent, such as by adding 1-octene at a controllable rate to the stream of solvent. The fourth step is to determine the concentration of the principal monomer and the concentration of the co-monomer in the stream of solvent by high resolution multi-wavelength vibrational spectroscopy analysis, such as by Fourier transform infrared spectroscopy system having a spectral resolution of 4 wavenumbers which analyzes at 1909 wavenumbers for ethylene, at 1829 wavenumbers for 1-octene and at 2120 wavenumbers for a reference signal. The fifth step is to control the rate of addition of the principal monomer, the rate of addition of the comonomer or preferably the rate of addition of both the principal monomer and the co-monomer according to the determination of the fourth step to obtain the desired concentration of ethylene and 1-octene in the solvent so that, for example, the density of the polyolefin product can be controlled.
摘要翻译：用于控制聚烯烃聚合方法的过程控制方法，例如溶液聚乙烯方法，其包括五个步骤。第一步是将溶剂流流入聚烯烃反应器中，例如以基本恒定的速率将庚烷溶剂流输入反应器。第二步是将主要单体加入到溶剂流中，例如通过以可控速率向溶剂流中加入乙烯。第三步是向溶剂流中加入共聚单体，例如通过以可控的速率向溶剂流中加入1-辛烯。第四步是通过高分辨率多波长振动光谱分析来确定主要单体的浓度和溶剂流中共聚单体的浓度，例如通过具有4个波数的光谱分辨率的傅里叶变换红外光谱系统其分析了1909年的乙烯波数，1829波数的1-辛烯和2120波数的参考信号。第五步是根据第四步的测定来控制主要单体的加入速率，共聚单体的加入速率或优选加入主单体和共聚单体的速率以获得所需的乙烯和1-辛烯在溶剂中的浓度使得例如可以控制聚烯烃产品的密度。

2. 发明授权

US5357336A Method and apparatus for multivariate characterization of optical instrument response 失效
标题翻译：用于光学仪器响应的多变量表征的方法和装置
公开(公告)号：US5357336A
公开(公告)日：1994-10-18
申请号：US742620
申请日：1991-08-08
申请人： Harry D. Ruhl, Jr. , Kenneth R. Beebe
发明人： Harry D. Ruhl, Jr. , Kenneth R. Beebe
IPC分类号： G01J3/28 , G01N21/27 , G01J3/42
CPC分类号： G01N21/274 , G01J2003/2879 , G01N2201/129
摘要： The system consists of a light source, a monochrometer, one or more etalons or other stable samples, a detector and a computer to store reference spectra, provide a read out indicative of the spectrum, and to change the instrument response. A transfer function is used to recharacterize the instrument's wavelength position and intensity response to match the actual spectrum with the standard spectrum. In one embodiment, the etalon is used in series with the unknown sample. A spectrum of the sample and etalon is created and is extracted from the spectrum of the sample alone to provide the actual spectrum of the instrument response to the etalon alone. The actual spectrum can then be compared to the standard spectrum and the instrument response recharacterized accordingly.
摘要翻译：该系统由光源，单色仪，一个或多个标准具或其他稳定样品组成，用于存储参考光谱的检测器和计算机，提供指示光谱的读出以及改变仪器响应。传递函数用于重新定义仪器的波长位置和强度响应，以将实际光谱与标准光谱相匹配。在一个实施例中，标准具与未知样品串联使用。产生样品和标准具的光谱，并从样品的光谱中提取样品和标准具，以提供仪器对标准具单独响应的实际光谱。然后可以将实际光谱与标准光谱进行比较，并且相应地重新表征仪器响应。

3. 发明授权

US5134291A Method for sorting used plastic containers and the like 失效
标题翻译：用于分类使用的塑料容器等的方法
公开(公告)号：US5134291A
公开(公告)日：1992-07-28
申请号：US693754
申请日：1991-04-30
申请人： Harry D. Ruhl, Jr. , Kenneth R. Beebe
发明人： Harry D. Ruhl, Jr. , Kenneth R. Beebe
IPC分类号： B07C5/342
CPC分类号： B07C5/342 , B29B2017/0279 , Y02W30/622
摘要： A method for sorting a plurality of diverse objects into groups, each such object being made predominately from at least polyethylene terephthalate and polystyrene and at least two of polyvinyl chloride, polyethylene and polypropylene, the groups consisting at least of objects of like type of polymer identified to be polyethylene terephthalate and polystyrene and at least two of polyvinyl chloride, polyethylene and polypropylene. The method includes three steps. The first step is to irradiate the objects to be sorted with near-infrared radiation. The second step is to measure the diffuse reflectance of the irradiated objects in the near-infrared region to identify the objects as to the type of polymer used to make them. The third step is to direct the objects to their respective groups according to the measurement and identification of the second step.
摘要翻译：一种用于将多个不同物体分类成组的方法，每个这样的物体主要由至少聚对苯二甲酸乙二醇酯和聚苯乙烯以及至少两种聚氯乙烯，聚乙烯和聚丙烯制成，所述基团至少由类似类型聚合物的物质组成为聚对苯二甲酸乙二醇酯和聚苯乙烯以及至少两种聚氯乙烯，聚乙烯和聚丙烯。该方法包括三个步骤。第一步是用近红外辐射照射待分类的物体。第二步是测量近红外区域的被辐射物体的漫反射，以识别用于制造它们的聚合物的类型。第三步是根据第二步的测量和识别将对象引导到各自的组。

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