CAS: 2421-28-5; Benzophenone-3,3',4,4'-Tetracarboxylic Dianhydride

上下游产品

CAS号2479-49-4 3,3',4,4'-四甲酸二苯甲酮 | CAS号13676-54-5 N,N'-(4,4'-亚甲基二... | CAS号2479-49-4 3,3',4,4'-四甲酸二苯甲酮 | CAS号726-05-6 4-[(3,4-dimethy... | CAS号54942-20-0 2-(3-hydroxyphe... | CAS号6097-10-5 5-(1,3-dioxoiso... | CAS号6097-13-8 5,5'-Carbonylbi... | CAS号53417-18-8 2-(4-hydroxyphe...

邻二甲苯置于aluminum (III) Chloride,Potassium Permanganate,水,Sodium Hydroxide体系中,用 吡啶,二苯醚,水 用作溶剂,化学反应 3.0H,反应生成3,3',4,4'-二苯甲酮四甲酸二酐
参考文献:Development And Optimization Of Producing 3,3',4,4'-Benzophenonetetracarboxylic Dianhydride
标题:Development And Optimization Of Producing 3,3',4,4'-Benzophenonetetracarboxylic Dianhydride
摘要:本文包括一系列实验,旨在开发生产 3,3',4,4'-二苯甲酮四甲酸二酐的实验室方法,并选择最佳条件,以获得最大产量.3,3',4,4'-二苯甲酮四甲酸二酐用于制备具有高热稳定性,耐化学性以及高强度和高杨氏模量的聚酰亚胺.二苯甲酮四甲酸二酐采用多步路线制备:邻二甲苯经friedel-Crafts烷基化得到3,3',4,4'-四甲基二苯甲酮,然后液相氧化为二苯甲酮四甲酸并脱水.
Doi:10.13005/ojc/320627

专利信息

专利号:US-8084569-B2
优先权日:2006-12-21
标 题 :Process for the synthesis of diaminopyridines from glutarimidines
发明人：MINTER AARON; STOKES BERLIN
权利人:MINTER AARON; STOKES BERLIN; DU PONT
摘要:A liquid-phase process is provided for the synthesis from glutarimidines of diaminopyridines and related compounds, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.

专利号:US-7999057-B2
优先权日:2008-07-08
标 题:Gas-phase process for the synthesis of diaminopyridines from glutaronitriles
发明人：HUTCHENSON KEITH W; MINTER AARON; SUNSHINE GREGG
权利人:DU PONT
摘要:A gas-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.

专利号:US-2011301314-A1
优先权日:2008-12-18
标题:Continuous liquid-phase process for the synthesis of diaminopyridines from glutaronitriles
发明人：HUTCHENSON KEITH W; MINTER AARON
权利人:HUTCHENSON KEITH W; MINTER AARON; DU PONT
摘要:A liquid-phase, continuous process is provided for the manufacture of 2,6-diaminopyridine and related compounds from glutaronitriles, which are used industrially as compounds and as components in the synthesis of a variety of useful materials. The synthesis proceeds by means of a dehydrogenative aromatization process.

专利号:WO-2024208875-A1
优先权日:2023-04-03
标题:Organic reinforcement of a polyamide with the in situ synthesis of a polyimide phase by reactive extrusion
发明人：CASSAGNAU PHILIPPE; DELAGE KARIM; BOUNOR-LEGARE VÉRONIQUE; MARESTIN CATHERINE; DUBOIS CHARLOTTE; GAROIS NICOLAS
权利人:TOTALENERGIES ONETECH; UNIV CLAUDE BERNARD LYON 1 UCBL; CENTRE NAT RECH SCIENT; UNIV JEAN MONNET SAINT ETIENNE UJM; INSTITUT NAT DES SCIENCES APPLIQUEES DE LYON INSA LYON
摘要:The disclosure relates to a reinforced polyamide and to a process to produce a reinforced polyamide comprising providing components being one or more polyamides, one or more dianhydrides, and one or more diamines; wherein the one or more polyamides are provided at a content of at least 60 wt.% based on the total weight of the components and wherein the one or more polyamides comprise at least one polyamide having amide groups separated by at least 10 CH2 groups; performing in situ synthesis of a polyimide by reactive extrusion of the components wherein the residence time is less than 10 minutes; and recovering a polyamide-polyimide blend being a reinforced polyamide comprising a continuous polyamide phase and a polyimide dispersed phase.

专利号:WO-2024170663-A1
优先权日:2023-02-15
标 题:Organic reinforcement of an elastomer with the in situ synthesis of a polyimide phase by reactive extrusion
发明人：CASSAGNAU PHILIPPE; DELAGE KARIM; BOUNOR-LEGARE VÉRONIQUE; MARESTIN CATHERINE; DUBOIS CHARLOTTE; GAROIS NICOLAS
权利人:TOTALENERGIES ONETECH; UNIV CLAUDE BERNARD LYON 1 UCBL; CENTRE NAT RECH SCIENT; UNIV JEAN MONNET SAINT ETIENNE; INSTITUT NAT DES SCIENCES APPLIQUEES DE LYON INSA LYON
摘要:The present disclosure relates to a process to produce a reinforced elastomeric material and to the reinforced elastomeric material. The process comprises the steps of providing components comprising a grafted elastomer, one or more dianhydrides, and one or more diamines; wherein the grafted elastomer is provided at a content of at least 60 wt.% based on the total weight of the components; performing in situ synthesis of a polyimide phase in the grafted elastomer by reactive extrusion of the components in a twin-screw extruder comprising main hopper wherein the screw profile comprises two or more reverse conveying elements forming two or more hot zones to form an elastomer-polyimide blend; and recovering said elastomer-polyimide blend being a reinforced elastomeric material.

专利号:WO-2024208876-A1
优先权日:2023-04-03
标题 :Ductile polyamide with the in situ synthesis of a polyimide phase by reactive extrusion
发明人：CASSAGNAU PHILIPPE; DELAGE KARIM; BOUNOR-LEGARE VÉRONIQUE; MARESTIN CATHERINE; DUBOIS CHARLOTTE; GAROIS NICOLAS
权利人:TOTALENERGIES ONETECH; UNIV CLAUDE BERNARD LYON 1 UCBL; CENTRE NAT RECH SCIENT; UNIV JEAN MONNET SAINT ETIENNE UJM; INSTITUT NAT DES SCIENCES APPLIQUEES DE LYON INSA LYON
摘要:The disclosure relates to a ductile polyamide and to a process to produce a ductile polyamide comprising providing components comprising one or more polyamides, one or more dianhydrides, and one or more diamines; wherein the one or more polyamides are provided at a content of at least 60 wt.% based on the total weight of the components; and wherein the one or more polyamides comprise at least one polyamide having amide groups separated by less than 10 carbon atoms; performing in situ synthesis of a polyimide by reactive extrusion of the components wherein the residence time is less than 10 minutes; and recovering a polyamide-polyimide blend being a ductile polyamide comprising a continuous polyamide phase and a dispersed polyimide phase.