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11.
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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12.
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:US08664348B2
公开(公告)日:2014-03-04
申请号:US13516755
申请日:2010-12-21
Applicant: Rajiv Dhawan , Joachim C Ritter , Frederick K Mallon , Steven R Allen , David J Rodini , Roger K Siemionko
Inventor: Rajiv Dhawan , Joachim C Ritter , Frederick K Mallon , Steven R Allen , David J Rodini , Roger K Siemionko
CPC classification number: C08G73/18 , C08G61/123 , C08G73/22
Abstract: New triaminophenol compositions and related compounds are disclosed, as are processes for their preparation and for the preparation of novel salts and diacid complexes from such compounds. Polymers prepared from these compositions can be made into high strength fiber, film, and tape and are useful in applications such as protective apparel, aircraft, automotive components, personal electronics, and sports equipment.
Abstract translation: 公开了新的三氨基苯酚组合物和相关化合物,以及它们的制备方法以及从这些化合物制备新的盐和二酸配合物。 由这些组合物制备的聚合物可以制成高强度纤维,薄膜和胶带,并且可用于诸如保护性服装,飞机,汽车部件,个人电子设备和运动器材的应用中。
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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:US07888457B2
公开(公告)日:2011-02-15
申请号:US11909670
申请日:2006-03-27
Applicant: Steven R Allen , Doetze Jakob Sikkema
Inventor: Steven R Allen , Doetze Jakob Sikkema
CPC classification number: C07K14/43581 , D01F6/74 , G01N33/6803 , G01N33/6875 , Y10T428/2913
Abstract: The present invention relates to processes for removing phosphorus from a fiber or yarn.
Abstract translation: 本发明涉及从纤维或纱线中除磷的方法。
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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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公开(公告)号:US07683122B2
公开(公告)日:2010-03-23
申请号:US11390939
申请日:2006-03-27
Applicant: Doetze Jakob Sikkema , David J. Rodini , Qinghong Fu Adkins , Steven R. Allen , Georg Valentin Martin , Ralf Demuth , Michael Schelhaas
Inventor: Doetze Jakob Sikkema , David J. Rodini , Qinghong Fu Adkins , Steven R. Allen , Georg Valentin Martin , Ralf Demuth , Michael Schelhaas
Abstract: Disclosed are processes for preparing polyareneazole polymers including contacting a molar excess of a free base in water with a terephthalic acid salt to form an aqueous mixture, adjusting the pH to precipitate a monomer complex, contacting the monomer complex with metal powder, and polymerizing the monomer complex. Polyareneazoles, filaments and yarns are also disclosed.
Abstract translation: 公开了制备聚芳腈聚合物的方法,包括使摩尔过量的游离碱与水中的游离碱与对苯二甲酸盐接触以形成水性混合物,调节pH以沉淀单体配合物,使单体配合物与金属粉末接触,并使单体聚合 复杂。 还公开了聚芳ne唑,长丝和纱线。
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公开(公告)号:US5330698A
公开(公告)日:1994-07-19
申请号:US47392
申请日:1993-04-19
Applicant: Steven R. Allen , David M. Harriss
Inventor: Steven R. Allen , David M. Harriss
CPC classification number: D01F6/605
Abstract: A process for making a PPD-T fiber having an elongation to break of greater than 7%.
Abstract translation: 制造具有大于7%的断裂伸长率的PPD-T纤维的方法。
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公开(公告)号:USD272712S
公开(公告)日:1984-02-21
申请号:US335605
申请日:1981-12-30
Applicant: Steven R. Allen
Designer: Steven R. Allen
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公开(公告)号:USD262513S
公开(公告)日:1982-01-05
申请号:US22980
申请日:1979-03-23
Applicant: Steven R. Allen
Designer: Steven R. Allen
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