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公开(公告)号：US09994974B2
公开(公告)日：2018-06-12
申请号：US14371768
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini , Andrew J. Sitter
CPC classification number: D01F6/78 , D01F6/74 , D01F6/805 , Y10T428/249921
Abstract: The present invention concerns fiber made from a polymer comprising imidazole groups, the polymer further having: i) halide anions being present in an amount in the range of 0.05 to 20.1 weight percent, based on weight of fiber; ii) sulfur, wherein the sulfur is present in the fiber in an amount in the range of 0.05 to 3 weight percent, based on weight of fiber; and iii) alkali metal ion, wherein the alkali metal ion is present in the fiber in an amount in the range of 0.05 to 2 weight percent, based on weight of fiber.
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公开(公告)号：US09845553B2
公开(公告)日：2017-12-19
申请号：US14371782
申请日：2012-01-11
Applicant: Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Inventor： Steven R. Allen , Vlodek Gabara , Joseph Lenning Lowery , Christopher William Newton , David J. Rodini , Andrew J. Sitter
Abstract: The present invention concerns methods for removing sulfur from yarn comprising the steps of: a) contacting never-dried polymeric yarn with an aqueous base, the polymer comprising imidazole groups and said polymer comprising sulfur atoms characterized as being in the form of sulfate anions; b) contacting the yarn with an aqueous acid solution of pH 5 or lower; and c) rinsing the yarn.
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公开(公告)号：US09469922B2
公开(公告)日：2016-10-18
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
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：US09464370B2
公开(公告)日：2016-10-11
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
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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25.发明申请公开(公告)号：US20150073118A1
公开(公告)日：2015-03-12
申请号：US14371467
申请日：2012-01-11
Applicant: Christopher William Newton , David J. Rodini , Joseph Lenning Lowery , Steven R. Allen , Vlodek Gabara
Inventor： Christopher William Newton , David J. Rodini , Joseph Lenning Lowery , Steven R. Allen , Vlodek Gabara
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 an aqueous salt solution comprising halide anions to displace at least a portion of the sulfate anions with halide 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）将含有聚合物纤维的未干燥硫酸根阴离子与含有卤化物阴离子的盐水溶液接触，以使至少一部分 具有卤化物阴离子的硫酸根阴离子; 和b）漂洗纤维以除去置换的硫酸根阴离子。
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Patent Agency Ranking
公开(公告)号：US08932501B2
公开(公告)日：2015-01-13
申请号：US13349597
申请日：2012-01-13
Applicant: Steven R. Allen , Christopher William Newton
Inventor： Steven R. Allen , Christopher William Newton
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：US20140357834A1
公开(公告)日：2014-12-04
申请号：US14371443
申请日：2012-01-11
Applicant: Christopher William Newton , David J. Rodini , Joseph Lenning Lowery , Steven R. Allen , Vlodek Gabara
Inventor： Christopher William Newton , David J. Rodini , Joseph Lenning Lowery , Steven R. Allen , Vlodek Gabara
IPC: C08G69/32
Abstract: The present invention concerns yarn comprising polymer, the polymer comprising imidazole groups, the yarn having a sulfur content of 0.01 to 3.0 percent by weight, based on weight of the yarn, the yarn having a tenacity of 30 cN/dtex (33.3 gpd) or higher.
Abstract translation: 本发明涉及包含聚合物的纱线，包含咪唑基的聚合物，基于纱线重量，硫含量为0.01至3.0重量％的纱线，该纱线的强度为30cN / dtex（33.3gpd）或 更高。
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公开(公告)号：US07906615B2
公开(公告)日：2011-03-15
申请号：US11909659
申请日：2006-03-27
Applicant: Steven R Allen , Steven D Moore , Christopher W Newton , David J Rodini , Doetze Jakob Sikkema
Inventor： Steven R Allen , Steven D Moore , Christopher W Newton , David J Rodini , Doetze Jakob Sikkema
CPC classification number: D01D10/06 , D01F6/74 , Y10T428/2913
Abstract: The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber.
Abstract translation: 本发明涉及水解纤维中的多磷酸和从纤维中除去水解的多磷酸的方法。
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公开(公告)号：US07776246B2
公开(公告)日：2010-08-17
申请号：US11909934
申请日：2006-03-27
Applicant: Steven R Allen , Steven D Moore , Christopher William Newton , David J Rodini , Doetze Jakob Sikkema
Inventor： Steven R Allen , Steven D Moore , Christopher William Newton , David J Rodini , Doetze Jakob Sikkema
IPC: B29C47/88
CPC classification number: D01F6/74
Abstract: The present invention concerns a process for making a polyareneazole multifilament yarn comprising: a) extruding a solution comprising polyareneazole polymer and polyphosphoric acid through a plurality of orifices to produce filaments; b) forming a multifilament yarn from said filaments; c) hydrolyzing at least some of the polyphosphoric acid in the yarn by heating the yarn to a temperature above about 120° C. for up to about two minutes; d) washing at least some of the hydrolyzed polyphosphoric acid from the yarn; e) drying the washed yarn; f) optionally, heating the yarn above about 300° C., and g) collecting the yarn at a speed of at least about 50 meters per minute.
Abstract translation: 本发明涉及一种制备聚芳腈复丝纱线的方法，包括：a）通过多个孔口挤出包含聚芳腈聚合物和多磷酸的溶液以产生长丝; b）从所述长丝形成复丝纱线; c）通过将纱线加热至约120℃以上的温度，使纱线中的至少一些多磷酸水解至多约2分钟; d）从纱线中洗涤至少一些水解的多磷酸; e）干燥洗涤的纱线; f）任选地，将纱线加热到约300℃以上，g）以至少约50米/分钟的速度收集纱线。
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公开(公告)号：US20100184945A1
公开(公告)日：2010-07-22
申请号：US11909659
申请日：2006-03-27
Applicant: Steven R Allen , Steven D. Moore , Christopher W. Newton , David J. Rodini , Doetze Jakob Sikkema
Inventor： Steven R Allen , Steven D. Moore , Christopher W. Newton , David J. Rodini , Doetze Jakob Sikkema
IPC: C08F6/00
CPC classification number: D01D10/06 , D01F6/74 , Y10T428/2913
Abstract: The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber.
Abstract translation: 本发明涉及水解纤维中的多磷酸和从纤维中除去水解的多磷酸的方法。
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