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    • 1. 发明授权
    • Methods of controlling properties in multimodal systems
    • 控制多模态系统性质的方法
    • US08071699B2
    • 2011-12-06
    • US12442157
    • 2006-09-21
    • John R. ParrishMark L. Nelson
    • John R. ParrishMark L. Nelson
    • C08F2/00C08F2/34
    • G05B13/042
    • The invention is directed to a polymerization system and method of controlling resin properties during the production of bimodal and multimodal polymer compositions using at least one manipulated variable to minimize dynamic deviations from polymer characteristics. In particular embodiments, the method of control includes determining a property of the resin based on a current and/or previous values or estimates or process variables or polymer characteristics. In this manner the control actions serve to reduce process upsets or facilitate in transitioning to a new product or grade to reduce the amount of off-grade resin material produced during transition or during steady state manufacture.
    • 本发明涉及使用至少一个操作变量来制备双峰和多峰聚合物组合物期间控制树脂性能的聚合体系和方法,以使与聚合物特性的动态偏差最小化。 在具体实施方案中,控制方法包括基于当前和/或先前的值或估计或过程变量或聚合物特性确定树脂的性质。 以这种方式,控制动作用于减少过程紊乱或促进转换到新产品或等级,以减少过渡期间或在稳态制造期间产生的脱级树脂材料的量。
    • 2. 发明申请
    • METHODS OF CONTROLLING PROPERTIES IN MULTIMODAL SYSTEMS
    • 多模式系统中控制属性的方法
    • US20100144967A1
    • 2010-06-10
    • US12442157
    • 2006-09-21
    • John R. ParrishMark L. Nelson
    • John R. ParrishMark L. Nelson
    • C08F2/00C08F2/01
    • G05B13/042
    • The invention is directed to a polymerization system and method of controlling resin properties during the production of bimodal and multimodal polymer compositions using at least one manipulated variable to minimize dynamic deviations from polymer characteristics. In particular embodiments, the method of control includes determining a property of the resin based on a current and/or previous values or estimates or process variables or polymer characteristics. In this manner the control actions serve to reduce process upsets or facilitate in transitioning to a new product or grade to reduce the amount of off-grade resin material produced during transition or during steady state manufacture.
    • 本发明涉及使用至少一个操作变量来制备双峰和多峰聚合物组合物期间控制树脂性能的聚合体系和方法,以使与聚合物特性的动态偏差最小化。 在具体实施方案中,控制方法包括基于当前和/或先前的值或估计或过程变量或聚合物特性确定树脂的性质。 以这种方式,控制动作用于减少过程紊乱或促进转换到新产品或等级,以减少过渡期间或在稳态制造期间产生的脱级树脂材料的量。
    • 3. 发明授权
    • Method for improving the prediction of polymer properties
    • 改进聚合物性能预测的方法
    • US08862438B2
    • 2014-10-14
    • US12670885
    • 2008-07-24
    • Jeffrey B. DrabishJohn R. ParrishMarcel SchaeferIvan J. HartleyPaul K. SamplesMark L. Nelson
    • Jeffrey B. DrabishJohn R. ParrishMarcel SchaeferIvan J. HartleyPaul K. SamplesMark L. Nelson
    • G06F7/60G06G7/48B01J19/00G01N35/08G06F19/00
    • G06F19/704Y10T436/12
    • A method for improving the prediction of polymer properties and a system having improved polymer property prediction capabilities is provided. The method for improving the prediction of polymer properties comprises: (1) providing a polymer; (2) providing a prediction model; (3) utilizing said prediction model to define an average polymer property prediction value; (4) determining a feasible range; (5) measuring one or more properties of said polymer; (6) determining whether said one or measured polymer properties are within said feasible range: (7) validating said one or more measured polymer properties if said one or more measured polymer properties fall within the feasible range or invalidating said one or more measured polymer properties if said one or more measured polymer properties fall outside of the feasible range; (8) optionally updating said prediction model; (9) repeating said previous steps at least one or more times; and (10) thereby improving the prediction of polymer properties.
    • 提供了改进聚合物性能预测的方法和具有改进的聚合物性能预测能力的体系。 改进聚合物性能预测的方法包括:(1)提供聚合物; (2)提供预测模型; (3)利用所述预测模型来定义平均聚合物性质预测值; (4)确定可行范围; (5)测量所述聚合物的一种或多种性质; (6)确定所述一种或测量的聚合物性质是否在所述可行范围内:(7)如果所述一种或多种测量的聚合物性能落在可行范围内或者使所述一种或多种测量的聚合物性质无效,则验证所述一种或多种测量的聚合物性质 如果所述一种或多种测量的聚合物性质落在可行范围之外; (8)可选地更新所述预测模型; (9)至少一次以上重复上述步骤; 和(10),从而改善聚合物性质的预测。
    • 4. 发明申请
    • METHOD FOR IMPROVING THE PREDICTION OF POLYMER PROPERTIES AND A SYSTEM HAVING IMPROVED POLYMER PROPERTY PREDICTION CAPABILITIES
    • 改进聚合物性能预测的方法和具有改进的聚合物性能预测能力的系统
    • US20100209307A1
    • 2010-08-19
    • US12670885
    • 2008-07-24
    • Jeffrey B. DrabishJohn R. ParrishMarcel SchaeferIvan J. HartleyPjaul K. SamplesMark L. Nelson
    • Jeffrey B. DrabishJohn R. ParrishMarcel SchaeferIvan J. HartleyPjaul K. SamplesMark L. Nelson
    • B01J19/00G06F17/10G06G7/58
    • G06F19/704Y10T436/12
    • The instant invention is a method for improving the prediction of polymer properties and a system having improved polymer property prediction capabilities. The method for improving the prediction of polymer properties according to instant invention comprises the following steps of: (1) providing a polymer; (2) providing a prediction model; (3) utilizing said prediction model to define an average polymer property prediction value; (4) determining a feasible range; (5) measuring one or more properties of said polymer; (6) determining whether said one or measured polymer properties are within said feasible range: (7) validating said one or more measured polymer properties if said one or more measured polymer properties fall within the feasible range or invalidating said one or more measured polymer properties if said one or more measured polymer properties fall outside of the feasible range; (8) optionally updating said prediction model; (9) repeating said previous steps at least one or more times; and (10) thereby improving the prediction of polymer properties. The polymerization system having improved polymer property prediction capabilities according to instant invention comprises at least one polymerization reactor; an automated prediction model; means for measuring one or more polymer properties; means for detecting one or more erroneous measured polymer properties; and means for updating said automated predication model.
    • 本发明是改进聚合物性能预测的方法和具有改进的聚合物性能预测能力的体系。 根据本发明的改进聚合物性能预测的方法包括以下步骤:(1)提供聚合物; (2)提供预测模型; (3)利用所述预测模型来定义平均聚合物性质预测值; (4)确定可行范围; (5)测量所述聚合物的一种或多种性质; (6)确定所述一种或测量的聚合物性质是否在所述可行范围内:(7)如果所述一种或多种测量的聚合物性能落在可行范围内或者使所述一种或多种测量的聚合物性质无效,则验证所述一种或多种测量的聚合物性质 如果所述一种或多种测量的聚合物性质落在可行范围之外; (8)可选地更新所述预测模型; (9)至少一次以上重复上述步骤; 和(10),从而改善聚合物性质的预测。 根据本发明的具有改进的聚合物性能预测能力的聚合体系包括至少一个聚合反应器; 自动预测模型; 用于测量一种或多种聚合物性质的方法; 用于检测一个或多个错误测量的聚合物性质的手段; 以及用于更新所述自动预测模型的装置。