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公开(公告)号：US09732442B2
公开(公告)日：2017-08-15
申请号：US14371746
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
CPC classification number: D01D5/06 , B29D99/0078 , D01F6/805 , D01F11/08
Abstract: The present invention concerns methods for producing a yarn comprising the steps of: (a) producing a plurality of dope filaments by spinning a polymer solution in sulfuric acid through a multi-hole spinneret, the polymer comprising imidazole groups; (b) coagulating the plurality of dope filaments into an as-spun yarn; (c) contacting the yarn with an aqueous base having a pKa less than or equal to 11; and (d) rinsing the yarn.
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公开(公告)号：US20150047130A1
公开(公告)日：2015-02-19
申请号：US14371451
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
IPC: D01F11/08
Abstract: The present invention concerns methods for removing sulfur from a fiber made from a polymer comprising imidazole groups, said method comprising: contacting never-dried sulfate anion-containing polymeric-fiber with an aqueous acid having a pKa of less than 5 to displace at least a portion of the sulfate anions; and b) rinsing the fiber to remove the displaced sulfate ions.
Abstract translation: 本发明涉及从由包含咪唑基团的聚合物制成的纤维中除去硫的方法，所述方法包括：将未干燥的含硫酸盐阴离子的聚合物纤维与pKa小于5的酸性水溶液接触，以至少 部分硫酸根阴离子; 和b）冲洗纤维以除去置换的硫酸根离子。
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公开(公告)号：US20140336351A1
公开(公告)日：2014-11-13
申请号：US14371744
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
IPC: D01F6/80
Abstract: The present invention concerns methods for removing sulfur from a fiber comprising the steps of: a) contacting never-dried sulfur-containing fiber in a yarn with an aqueous base having a pKa less than or equal to 11 to release at least a portion of said sulfur, said sulfur comprising, at least in part, sulfate anions and said yarn comprising fiber derived from polymer comprising imidazole groups; and b) rinsing said yarn to remove at least a portion of released sulfur.
Abstract translation: 本发明涉及用于从纤维中除去硫的方法，包括以下步骤：a）使纱线中未经干燥的含硫纤维与pKa小于或等于11的碱性水溶液接触，以释放至少部分所述 硫，所述硫至少部分地包含硫酸根阴离子，所述纱线包含衍生自包含咪唑基团的聚合物的纤维; 和b）冲洗所述纱线以除去至少一部分释放的硫。
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公开(公告)号：US20130014405A1
公开(公告)日：2013-01-17
申请号：US13349605
申请日：2012-01-13
Applicant: STEVEN R. ALLEN , Christopher William Newton
Inventor： STEVEN R. ALLEN , Christopher William Newton
IPC: F26B3/00
Abstract: The present invention concerns processes for reducing water in never-dried fiber comprising copolymer derived from the copolymerization of para-phenylenediamine, 5(6)-amino-2-(p-aminophenyl)benzimidazole; and terephthaloyl dichloride, the process having the following steps in a continuous process, (a) a step of drying a never-dried fiber at less than 100 C until the moisture content of the fiber is less than 60 weight percent; and (b) a step of further drying the fiber above 150° C. while the moisture content of the fiber is no more than 40 weight percent; and the fiber being further heated to at least 350° C. in either an additional continuous or separate step.
Abstract translation: 本发明涉及减少未干燥纤维中水分的方法，包括由对苯二胺，5（6） - 氨基-2-（对氨基苯基）苯并咪唑的共聚得到的共聚物; 和对苯二甲酰氯，该方法在连续方法中具有以下步骤，（a）在小于100℃下干燥未干燥的纤维直至纤维的含水量小于60重量％的步骤; 和（b）当纤维的水分含量不超过40重量％时，纤维进一步干燥150℃以上的步骤; 并且在额外的连续或分开的步骤中将纤维进一步加热至至少350℃。
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公开(公告)号：US07683157B2
公开(公告)日：2010-03-23
申请号：US11390898
申请日：2006-03-27
Applicant: Steven R. Allen , Stephen D. Moore , Christopher William Newton , David J. Rodini , Catherine Fu Adkins , Doetze Jakob Sikkema
Inventor： Steven R. Allen , Stephen D. Moore , Christopher William Newton , David J. Rodini , Catherine Fu Adkins , Doetze Jakob Sikkema
IPC: C08G73/06
CPC classification number: C08G75/32 , C08G73/0627 , C08G73/18 , C08G73/22 , D01F6/74
Abstract: The present invention concerns a process for making a polyareneazole polymer comprising the steps of: a) contacting azole-forming monomers, metal powder, and optionally P2O5, in polyphosphoric acid to form a mixture; b) blending the mixture at a temperature of from about 50° C. to about 110° C.; c) further blending the mixture at a temperature of up to about 145° C. to form a solution comprising an oligomer; d) optionally, degassing the solution; and e) reacting the oligomer solution at a temperature of about 160° C. to about 250° C. for a time sufficient to form a polymer.
Abstract translation: 本发明涉及一种制备聚芳腈聚合物的方法，包括以下步骤：a）在多磷酸中使唑形成单体，金属粉末和任选的P 2 O 5接触以形成混合物; b）在约50℃至约110℃的温度下混合该混合物; c）在高达约145℃的温度下进一步混合该混合物以形成包含低聚物的溶液; d）任选地，使溶液脱气; 和e）在约160℃至约250℃的温度下使所述低聚物溶液反应足以形成聚合物的时间。
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Patent Agency Ranking
6.发明授权Process for preparing yarn derived from aramid copolymer fiber having low residual sulfur 有权用于制备具有低残留硫的芳族聚酰胺共聚物纤维得到的纱线的方法公开(公告)号：US09315923B2
公开(公告)日：2016-04-19
申请号：US14371444
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Steven Raymond Lustig , Christopher William Newton , David J. Rodini , Andrew J. Sitter
CPC classification number: D01F8/16 , D01D5/06 , D01D10/06 , D01F6/74 , D01F6/805 , D01F11/08 , D10B2331/14
Abstract: The present invention concerns processes for producing a yarn comprising polymer comprising imidazole groups, the process having the following steps: (a) spinning a solution of polymer in sulfuric acid to give rise to a plurality of dope filaments; (b) coagulating the plurality of dope filaments into a multi-filament as-spun yarn; and (c) washing the as-spun multi-filament yarn with an aqueous acid comprising a halide or an aqueous salt comprising a halide or combination thereof.
Abstract translation: 本发明涉及生产包含咪唑基团的聚合物的纱线的方法，该方法具有以下步骤：（a）将聚合物溶液在硫酸中纺丝以产生多个涂料丝; （b）将多根纺丝原丝凝结成纺丝纱; 和（c）用包含卤化物或包含卤化物或其组合的盐水的含水酸洗涤初纺复丝纱线。
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公开(公告)号：US08671524B2
公开(公告)日：2014-03-18
申请号：US13349611
申请日：2012-01-13
Applicant: Steven R. Allen , Christopher William Newton
Inventor： Steven R. Allen , Christopher William Newton
IPC: D01B9/00
Abstract: The present invention concerns processes for reducing water in never-dried fiber comprising copolymer derived from the copolymerization of para-phenylenediamine, 5(6)-amino-2-(p-aminophenyl)benzimidazole; and terephthaloyl dichloride, the process having the following steps in a continuous process, (a) a step of drying a never-dried fiber having at least 0.1% sulfur at less than 150° C. until the moisture content of the fiber is less than 60 weight percent; and (b) a step of further drying the fiber above 150° C. while the moisture content of the fiber is no more than 60 weight percent; and the fiber being further heated to at least 350° C. in either an additional continuous or separate step.
Abstract translation: 本发明涉及减少未干燥纤维中水分的方法，包括由对苯二胺，5（6） - 氨基-2-（对氨基苯基）苯并咪唑的共聚得到的共聚物; 和对苯二甲酰氯，该方法在连续方法中具有以下步骤，（a）在小于150℃下干燥具有至少0.1％硫的未干燥纤维，直到纤维的水分含量低于 60％ 和（b）当纤维的水分含量不超过60重量％时，纤维进一步干燥150℃以上的步骤; 并且在额外的连续或分开的步骤中将纤维进一步加热至至少350℃。
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公开(公告)号：US20130015603A1
公开(公告)日：2013-01-17
申请号：US13349597
申请日：2012-01-13
Applicant: STEVEN R. ALLEN , Christopher William Newton
Inventor： STEVEN R. ALLEN , Christopher William Newton
IPC: B29C71/02
Abstract: The present invention concerns processes for reducing water in never-dried fiber comprising copolymer derived from the copolymerization of para-phenylenediamine, 5(6)-amino-2-(p-aminophenyl)benzimidazole; and terephthaloyl dichloride, the process comprising the steps of: (a) heating the never-dried fiber to a temperature of at least 20° C. but less than 100° C. until the moisture content of the fiber is 20 weight percent or less of the fiber; and (b) further heating the fiber to a temperature of at least 350° C.
Abstract translation: 本发明涉及减少未干燥纤维中水分的方法，包括由对苯二胺，5（6） - 氨基-2-（对氨基苯基）苯并咪唑的共聚得到的共聚物; 和对苯二甲酰氯，该方法包括以下步骤：（a）将未干燥的纤维加热至至少20℃但小于100℃的温度，直到纤维的水分含量为20重量％以下 的纤维; 和（b）将纤维进一步加热到至少350℃的温度
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公开(公告)号：US20080203610A1
公开(公告)日：2008-08-28
申请号：US11909950
申请日：2006-03-27
Applicant: Christopher William Newton , Steven R. Allen , Stephen D. Moore
Inventor： Christopher William Newton , Steven R. Allen , Stephen D. Moore
CPC classification number: D01F6/74
Abstract: The present invention relates to processes for hydrolyzing polyphosphoric acid in spun multifilament yarns.
Abstract translation: 本发明涉及在纺丝复丝纱中水解多磷酸的方法。
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10.发明授权公开(公告)号：US09080261B2
公开(公告)日：2015-07-14
申请号：US14371535
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini
CPC classification number: D01F6/805 , D01D10/06 , D10B2331/021
Abstract: The present invention concerns methods for removing sulfur from a fiber made from a polymer comprising imidazole groups, said method comprising: a) contacting never-dried sulfate anion containing polymeric-fiber with aqueous salt having monovalent anions to displace at least a portion of the sulfate anions; and b) rinsing the fiber to remove displaced sulfate anions.
Abstract translation: 本发明涉及从由包含咪唑基团的聚合物制成的纤维中除去硫的方法，所述方法包括：a）将含有聚合纤维的未干燥硫酸根阴离子与含有一价阴离子的盐水接触，以置换至少一部分硫酸盐 阴离子 和b）漂洗纤维以除去置换的硫酸根阴离子。
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