A PROCESS FOR PREPARING MOLECULAR SIEVES USING 9-AZABICYCLO[3.3.1]NONANE TEMPLATES
    86.
    发明申请
    A PROCESS FOR PREPARING MOLECULAR SIEVES USING 9-AZABICYCLO[3.3.1]NONANE TEMPLATES 审中-公开
    使用9-亚氨基半胱氨酸[3.3.1]非离子模板制备分子筛的方法

    公开(公告)号:WO1994008900A1

    公开(公告)日:1994-04-28

    申请号:PCT/US1993008385

    申请日:1993-09-07

    CPC classification number: C01B39/12 C01B37/02 C01B39/48

    Abstract: The present invention relates to a process for preparing crystalline molecular sieves, particularly large pore zeolites, which comprises contacting active sources of one or more oxides selected from the group consisting of monovalent element oxides, divalent element oxides, trivalent element oxides, tetravalent element oxides, and pentavalent element oxides with an organocation templating agent derived from a 9-azabicyclo[3.3.1]nonane.

    Abstract translation: 本发明涉及一种制备结晶分子筛,特别是大孔沸石的方法,该方法包括使一种或多种氧化物的活性源与一价元素氧化物,二价元素氧化物,三价元素氧化物,四价元素氧化物, 和具有衍生自9-氮杂双环[3.3.1]壬烷的有机模板剂的五价元素氧化物。

    TWO-STEP THERMAL PROCESS FOR THE PREPARATION OF ALKENYL SUCCINIC ANHYDRIDE
    87.
    发明申请
    TWO-STEP THERMAL PROCESS FOR THE PREPARATION OF ALKENYL SUCCINIC ANHYDRIDE 审中-公开
    制备烷基苯甲酸酐的两步热处理

    公开(公告)号:WO1994002572A1

    公开(公告)日:1994-02-03

    申请号:PCT/US1993006944

    申请日:1993-07-23

    Abstract: A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises: (a) reacting a polyolefin having an alkylvinylidene isomer content of less than about 10 percent and a number average molecular weight of about 500 to 5000 with maleic anhydride at a temperature in the range of about 200 C to 250 C to provide a mixture of alkenyl succinic anhydride having an average of about 1.0 succinic group per alkenyl group and unreacted polyolefin, and (b) reacting the mixture of alkenyl succinic anhydride and unreacted polyolefin from step (a) with maleic anhydride in the presence of a free radical initiator at a temperature in the range of about 100 C to 220 C to thereby provide an alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group.

    Abstract translation: 一种制备链烯基取代的琥珀酸酐的方法,其中烯基取代基的数均分子量为约500至5000,并且每个烯基的琥珀酸基团的平均数大于1.2,其包括:(a)使 具有小于约10%的烷基亚乙烯基异构体含量和约500至5000的数均分子量的聚烯烃与马来酸酐在约200℃至250℃的温度范围内提供具有平均值的烯基琥珀酸酐的混合物 每个烯基基团约1.0个琥珀酸基团和未反应的聚烯烃,和(b)使烯基琥珀酸酐和来自步骤(a)的未反应的聚烯烃的混合物与马来酸酐在游离基引发剂的存在下,在约 100℃至220℃,从而提供每个烯基平均具有大于1.2个琥珀酸基的链烯基琥珀酸酐。

    TWO-STEP FREE RADICAL CATALYZED PROCESS FOR THE PREPARATION OF ALKENYL SUCCINIC ANHYDRIDE
    88.
    发明申请
    TWO-STEP FREE RADICAL CATALYZED PROCESS FOR THE PREPARATION OF ALKENYL SUCCINIC ANHYDRIDE 审中-公开
    用于制备烷基苯甲酸酐的两步自由基催化方法

    公开(公告)号:WO1994002571A1

    公开(公告)日:1994-02-03

    申请号:PCT/US1993006915

    申请日:1993-07-23

    Abstract: A process for the preparation of an alkenyl-substituted succinic anhydride wherein the alkenyl substituent has a number average molecular weight of from about 500 to 5000 and the average number of succinic groups per alkenyl group is greater than 1.2 which comprises: (a) reacting a polyolefin having an alkylvinylidene isomer content of less than about 10 percent and a number average molecular weight of about 500 to 5000 with maleic anhydride in the presence of a free radical initiator at a temperature in the range of about 100 C to 220 C to provide a mixture of alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group and unreacted polyolefin, wherein the conversion of polyolefin is from about 30 to about 65 percent, and (b) reacting the mixture of alkenyl succinic anhydride and unreacted polyolefin with maleic anhydride at a temperature in the range of about 200 C to 250 C to thereby provide an alkenyl succinic anhydride having an average of greater than 1.2 succinic groups per alkenyl group, wherein the total conversion of polyolefin is about 5 to 40 percentage points higher than the conversion in step (a).

    Abstract translation: 一种制备烯基取代的琥珀酸酐的方法,其中链烯基取代基的数均分子量为约500至5000,并且每个烯基的琥珀酸基平均数大于1.2,其包括:(a)使 在约100℃至220℃的温度范围内,在自由基引发剂存在下,马来酸酐具有小于约10%的烷基亚乙烯基异构体含量和数均分子量为约500至5000的聚烯烃,以提供 每个烯基平均具有大于1.2个琥珀酸基的链烯基琥珀酸酐和未反应的聚烯烃的混合物,其中聚烯烃的转化率为约30至约65%,和(b)将链烯基琥珀酸酐与未反应的聚烯烃的混合物与 马来酐在约200℃至250℃的温度范围内,从而提供平均为gr的烯基琥珀酸酐 每个烯基基团比1.2个琥珀酸基团多,其中聚烯烃的总转化率比步骤(a)中的转化率高约5至40个百分点。

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