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公开(公告)号：US6011172A
公开(公告)日：2000-01-04
申请号：US198543
申请日：1998-11-24
Applicant: Norbert Weferling , Othmar Stelzer , Gunter Kolbe
Inventor： Norbert Weferling , Othmar Stelzer , Gunter Kolbe
Abstract: The invention relates to a process for preparing alkali metal salts and/or alkaline earth metal salts of alkylphosphonous acids and dialkylphosphinic acids from elemental yellow phosphorus and alkyl halides, which comprises carrying out the reaction in the presence of aqueous alkali metal hydroxide or alkaline earth metal hydroxide or mixtures thereof. The invention likewise relates to the use of the compounds prepared by the process according to the invention for preparing flame retardants, extraction media and plant protection agents.
Abstract translation: 本发明涉及从元素黄磷和烷基卤制备烷基亚磷酸和二烷基次膦酸的碱金属盐和/或碱土金属盐的方法，其包括在碱金属氢氧化物或碱土金属水溶液存在下进行反应 氢氧化物或其混合物。 本发明同样涉及通过根据本发明的方法制备的化合物用于制备阻燃剂，提取介质和植物保护剂的用途。
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公开(公告)号：US5925785A
公开(公告)日：1999-07-20
申请号：US821715
申请日：1997-03-20
Applicant: Othmar Stelzer , Oliver Herd , Norbert Weferling
Inventor： Othmar Stelzer , Oliver Herd , Norbert Weferling
CPC classification number: C07F9/5022 , C07F9/587
Abstract: The invention relates to secondary and tertiary phosphines of the formula ##STR1## in which R is hydrogen, an aryl or benzyl group or a straight-chain or branched alkyl group, n is 1 or 2 and M is potassium or sodium.These phosphines are prepared by reacting either alkali metal salts of fluorobenzene-2,4-disulfonic acid with phosphine or with primary or secondary phosphines, or secondary phosphines of the type HP�C.sub.6 H.sub.3 -2,4-(SO.sub.3 M).sub.2 !.sub.2 with a compound RX in which R is an alkyl, aryl or benzyl group and X is a halogen, in an aprotic solvent in the presence of at least stoichiometric quantities of a solid, powdered alkali metal hydroxide at temperatures of from 0 to 100.degree. C.
Abstract translation: 本发明涉及下式的仲膦和叔膦，其中R是氢，芳基或苄基或直链或支链烷基，n是1或2，M是钾或钠。 这些膦是通过使氟苯-2,4-二磺酸的碱金属盐与磷化氢或与伯或仲膦或HP [C 6 H 3 -2,4-（SO 3 M）2] 2型的次膦与 在非质子溶剂中，在至少化学计量的固体粉末状碱金属氢氧化物存在下，在0至100℃的温度下，R是烷基，芳基或苄基，X是卤素的化合物RX。
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公开(公告)号：US5268479A
公开(公告)日：1993-12-07
申请号：US984369
申请日：1992-12-02
Applicant: Othmar Stelzer , Klaus-Peter Langhans , Norbert Weferling
Inventor： Othmar Stelzer , Klaus-Peter Langhans , Norbert Weferling
CPC classification number: C07F9/5072 , C07F9/587
Abstract: A process is specified for the preparation of tertiary phosphines of the formulaR'PR.sub.2 or R.sub.2 P--[CH.sub.2 ].sub.3 --PR.sub.2in which R is an aryl, pyridyl or arylsulfonic acid group and R' is an aryl, pyridyl, arylsulfonic acid or n-butyl group, which comprises reacting phosphines of the formulaH.sub.n PR".sub.3-n or H.sub.2 P--[CH.sub.2 ].sub.3 --PH.sub.2in which R" is hydrogen or an n-butyl, aryl or pyridyl group and n is 1 or 2 with a halogen compound of the formulaX-R,in which R has the abovementioned meaning and X is fluorine, chlorine or bromine, in the presence of powdered potassium hydroxide and dimethyl sulfoxide and/or dimethoxyethane at temperatures between 0 and 100.degree. C., at least 1 mol of potassium hydroxide being used per mole of halogen compound.
Abstract translation: 规定了制备式R'PR2或R2P- [CH2] 3-PR2的叔膦的方法，其中R是芳基，吡啶基或芳基磺酸基团，R'是芳基，吡啶基，芳基磺酸或n 丁基，其包括使式H n PR''3-n或H 2 -P- [CH 2] 3 -PH 2的膦与其中R“为氢或正丁基，芳基或吡啶基并且n为1或2的膦反应， 在粉末状氢氧化钾和二甲基亚砜和/或二甲氧基乙烷的存在下，在0至100℃的温度下，至少具有式XR的卤素化合物，其中R具有上述含义，X是氟，氯或溴 每摩尔卤素化合物使用1摩尔氢氧化钾。
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公开(公告)号：US5003108A
公开(公告)日：1991-03-26
申请号：US449137
申请日：1989-12-11
Applicant: Othmar Stelzer , Klaus-Peter Langhans , Jurgen Svara , Norbert Weferling
Inventor： Othmar Stelzer , Klaus-Peter Langhans , Jurgen Svara , Norbert Weferling
CPC classification number: C07F9/5072
Abstract: For the preparation of phosphanes, phosphane and alkyl halides are reacted in the presence of alkali metal hydroxide solutions and tetraalkylammonium or tetraalkylphosphonium salts as the catalysts.
Abstract translation: 对于膦烷的制备，在碱金属氢氧化物溶液和四烷基铵或四烷基鏻盐作为催化剂的存在下，使膦和烷基卤反应。
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公开(公告)号：US5973194A
公开(公告)日：1999-10-26
申请号：US198542
申请日：1998-11-24
Applicant: Norbert Weferling , Hans-Peter Schmitz , Gunter Kolbe
Inventor： Norbert Weferling , Hans-Peter Schmitz , Gunter Kolbe
IPC: C01B25/163 , C07B61/00 , C07F9/30
CPC classification number: C07F9/30
Abstract: The invention relates to a process for preparing dialkylphosphinate salts, which comprisesa) reacting elemental yellow phosphorus with alkyl halides in the presence of alkali metal hydroxide or alkaline earth metal hydroxide to form a mixture which comprises as main constituents the salts of alkylphosphonous, phosphorous and hypophosphorous acids,b) adjusting the mixture to a pH below 7 and then reacting the mixture with olefins in the presence of a free-radical initiator andc) reacting the dialkylphosphinic acids obtained according to b) and/or alkali metal salts thereof with metal compounds of Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K to give the metal dialkylphosphinate salts.The invention likewise relates to the use of the metal dialkylphosphinate salts prepared by the process according to the invention to prepare flame retardants.
Abstract translation: 本发明涉及一种制备二烷基次膦酸盐的方法，该方法包括：a）在碱金属氢氧化物或碱土金属氢氧化物存在下使元素黄磷与烷基卤化物反应形成一种混合物，该混合物包含烷基亚磷酸，磷和 次磷酸，b）将混合物调节至低于7的pH，然后在自由基引发剂存在下使该混合物与烯烃反应，和c）将根据b）获得的二烷基次膦酸与/或其碱金属盐与金属反应 Mg，Ca，Al，Sb，Sn，Ge，Ti，Zn，Fe，Zr，Ce，Bi，Sr，Mn，Li，Na和/或K的化合物，得到二烷基次膦酸金属盐。 本发明同样涉及通过本发明方法制备的二烷基次膦酸金属盐制备阻燃剂的用途。
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公开(公告)号：US07420007B2
公开(公告)日：2008-09-02
申请号：US11015195
申请日：2004-12-17
Applicant: Harald Bauer , Werner Krause , Martin Sicken , Norbert Weferling
Inventor： Harald Bauer , Werner Krause , Martin Sicken , Norbert Weferling
IPC: C08K5/5313
CPC classification number: C07F9/301 , C08K5/34928 , C08K5/5313 , C08L21/00
Abstract: The invention relates to dialkylphosphinic salts of the formula (I) where R1, R2 identical or different, are C1-C6-alkyl, linear or branched M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or is a protonated nitrogen base; m is from 1 to 4; wherein the telomer content is from 0.01 to 6% by weight. The invention also relates to glare use in flame retardant compositions, and to flame-retardant polymer molding compositions and flame-retardant polymer moldings which comprise these dialkylphosphinic salts.
Abstract translation: 本发明涉及式（I）的二烷基次膦酸盐，其中R 1，R 2，R 2相同或不同，为C 1 -C 3 直链或支链M是Mg，Ca，Al，Sb，Sn，Ge，Ti，Fe，Zr，Zn，Ce，Bi，Sr，Mn，Li，Na，K和/ 是质子化的氮基; m为1〜4; 其中调聚物含量为0.01至6重量％。 本发明还涉及阻燃组合物中的眩光用途，以及包含这些二烷基次膦酸盐的阻燃聚合物模塑组合物和阻燃聚合物模制品。
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公开(公告)号：US07348396B2
公开(公告)日：2008-03-25
申请号：US11540476
申请日：2006-09-29
Applicant: Martin Sicken , Werner Krause , Norbert Weferling , Hans-Peter Schmitz
Inventor： Martin Sicken , Werner Krause , Norbert Weferling , Hans-Peter Schmitz
CPC classification number: C08K5/5313 , C07F9/305 , C08G79/04 , C09K21/14
Abstract: The invention relates to polymeric phosphinic acids and their salts of the formula (I) where X is hydrogen or 1/m of a metal of valency m, or is a protonated nitrogen base, R1 and R2 are identical or different and are hydrogen, a carboxy group, a carboxylic acid derivative, an unsubstituted or substituted alkyl group having from 1 to 10 carbon atoms, phenyl, benzyl, or alkyl-substituted aromatic systems, R3 and R4 may be identical or different and are an unsubstituted or substituted alkyl group having from 2 to 20 carbon atoms, or are OX, with the above meaning for X, and ū is the average number of monomer units. The invention further relates to a process for preparing the abovementioned compounds, and to their use.
Abstract translation: 本发明涉及式（I）的聚合物次膦酸及其盐，其中X是氢或1 / m的价态m的金属，或是质子化的氮碱，R 1和R 2， R 2是相同或不同的并且是氢，羧基，羧酸衍生物，未取代或取代的具有1-10个碳原子的烷基，苯基，苄基或烷基取代的芳族体系，R R 3和R 4可以相同或不同，为未取代或取代的碳原子数为2〜20的烷基，或为O X，X为上述含义， u是单体单元的平均数。 本发明还涉及制备上述化合物的方法及其应用。
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公开(公告)号：US06727335B2
公开(公告)日：2004-04-27
申请号：US10417692
申请日：2003-04-17
Applicant: Martin Sicken , Norbert Weferling , Hans-Peter Schmitz
Inventor： Martin Sicken , Norbert Weferling , Hans-Peter Schmitz
IPC: C08F13002
Abstract: The invention relates to polymeric phosphinic acids and their salts of the formula (I) in which X is hydrogen or a 1/m metal of valency m, R1 and R2 are identical or different and are hydrogen, a carboxyl group, a carboxylic acid derivative, an unsubstituted or substituted alkyl group having 1 to 10 carbon atoms, phenyl, benzyl or alkyl-substituted aromatics, R3 and R4 are identical or different and are hydrogen or a vinyl group of the formula (VI) —CR1═CHR2 (VI) in which R1 and R2 have the abovementioned meaning, and {overscore (u)} is the average number of monomer units. The invention also relates to a process for the preparation of the abovementioned compounds and their use.
Abstract translation: 本发明涉及式（I）的聚合物次膦酸及其盐，其中X是氢或1价金属的价态m，R 1和R 2相同或不同，为氢，羧基，羧酸衍生物， 具有1-10个碳原子的未取代或取代的烷基，苯基，苄基或烷基取代的芳族化合物，R 3和R 4相同或不同，为氢或式（Ⅵ）的乙烯基，其中R 1和R 2具有上述 意思和{超核（u是单体单元的平均数）。本发明还涉及制备上述化合物的方法及其用途。
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公开(公告)号：US06420598B1
公开(公告)日：2002-07-16
申请号：US09591712
申请日：2000-06-12
Applicant: Norbert Weferling , Martin Sicken , Hans-Peter Schmitz
Inventor： Norbert Weferling , Martin Sicken , Hans-Peter Schmitz
IPC: C07F930
CPC classification number: C07F9/3808
Abstract: The present invention relates to a process for the preparation of alkylphosphonic acids, which comprises reacting phosphorous acid (H3PO3) with short-chain olefins, and to the use of the products prepared by this process.
Abstract translation: 本发明涉及一种制备烷基膦酸的方法，其包括使亚磷酸（H 3 PO 3）与短链烯烃反应，以及使用通过该方法制备的产物。
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公开(公告)号：US07635785B2
公开(公告)日：2009-12-22
申请号：US11016663
申请日：2004-12-17
Applicant: Harald Bauer , Werner Krause , Martin Sicken , Norbert Weferling
Inventor： Harald Bauer , Werner Krause , Martin Sicken , Norbert Weferling
IPC: C07F9/30
CPC classification number: C07F9/30 , C08K5/5313
Abstract: The invention relates to a process for preparation of salts of dialkylphosphinic acids, which comprises a) reacting hypophosphorous acid and/or its salts with olefins in the presence of a free-radical initiator to give dialkylphosphinic acids and/or their alkali metal salts, in a solvent system, and b) reacting the dialkylphosphinic acids and/or alkali metal dialkylphosphinates obtained in a) with compounds of the metals Mg, Ca, Al, Zn, Ti, Sn, Zr, and/or Fe to give the dialkylphosphinic salts of these metals. The invention also relates to the use of the metal dialkylphosphinic salts obtained by the inventive process, in particular for preparation of flame retardants.
Abstract translation: 本发明涉及二烷基次膦酸的盐的制备方法，该方法包括：a）在自由基引发剂存在下使次亚磷酸和/或其盐与烯烃反应，得到二烷基次膦酸和/或其碱金属盐， 溶剂体系，b）使a）中得到的二烷基次膦酸和/或碱金属二烷基次膦酸盐与金属Mg，Ca，Al，Zn，Ti，Sn，Zr和/或Fe的化合物反应，得到 这些金属。 本发明还涉及通过本发明方法获得的二烷基次膦酸金属盐的用途，特别是制备阻燃剂。
