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    Additives to Remediate DVB Cross-Linking and Insoluble Polymer Formation in the Styrene Process
    1.
    发明申请
    Additives to Remediate DVB Cross-Linking and Insoluble Polymer Formation in the Styrene Process 审中-公开

    公开(公告)号：US20200283597A1

    公开(公告)日：2020-09-10

    申请号：US16811083

    申请日：2020-03-06

    申请人： FINA TECHNOLOGY, INC.

    发明人： Joseph Pelati

    IPC分类号： C08K5/07

    摘要： A method of reducing the fouling in a process for the production of styrene, the method comprising: introducing an additive into a stream comprising styrene and byproduct divinyl benzene (DVB), wherein the additive comprises: at least one chemical compound comprising one or more functional groups selected from amines, alcohols, amino-alcohols, labile C—C, esters, carbamates, aldehydes, ketones, acids, acetates, benzoates, labile hydrogen, and combinations thereof, and having a boiling point greater than or equal to 170° C. and within 10, 20, 30, 40, 50, or 60° C. of the boiling point of divinyl benzene (DVB) (which is 195° C.), wherein the at least one chemical compound is active to inhibit divinyl benzene (DVB) crosslinking. A system for carrying out the method is also provided.

    Additives to remediate DVB cross-linking and insoluble polymer formation in the styrene process
    2.
    发明授权
    Additives to remediate DVB cross-linking and insoluble polymer formation in the styrene process 有权

    公开(公告)号：US11661496B2

    公开(公告)日：2023-05-30

    申请号：US16811083

    申请日：2020-03-06

    申请人： FINA TECHNOLOGY, INC.

    发明人： Joseph Pelati

    IPC分类号： C08K5/07 ,  C07C7/20

    CPC分类号： C08K5/07

    摘要： A method of reducing the fouling in a process for the production of styrene, the method comprising: introducing an additive into a stream comprising styrene and byproduct divinyl benzene (DVB), wherein the additive comprises: at least one chemical compound comprising one or more functional groups selected from amines, alcohols, amino-alcohols, labile C—C, esters, carbamates, aldehydes, ketones, acids, acetates, benzoates, labile hydrogen, and combinations thereof, and having a boiling point greater than or equal to 170° C. and within 10, 20, 30, 40, 50, or 60° C. of the boiling point of divinyl benzene (DVB) (which is 195° C.), wherein the at least one chemical compound is active to inhibit divinyl benzene (DVB) crosslinking. A system for carrying out the method is also provided.