CN105949236A - 乙烯利与乙烯基膦酸的联合生产方法 - Google Patents
乙烯利与乙烯基膦酸的联合生产方法 Download PDFInfo
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- UDPGUMQDCGORJQ-UHFFFAOYSA-N (2-chloroethyl)phosphonic acid Chemical compound OP(O)(=O)CCCl UDPGUMQDCGORJQ-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000005976 Ethephon Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical compound OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 title abstract description 10
- LOUZURPQCYZSJH-UHFFFAOYSA-N 1-chloro-2-dichlorophosphorylethane Chemical compound ClCCP(Cl)(Cl)=O LOUZURPQCYZSJH-UHFFFAOYSA-N 0.000 claims abstract description 24
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 claims abstract description 22
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 30
- ZTWTYVWXUKTLCP-UHFFFAOYSA-L ethenyl-dioxido-oxo-$l^{5}-phosphane Chemical compound [O-]P([O-])(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-L 0.000 claims description 19
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 18
- 229920002554 vinyl polymer Polymers 0.000 claims description 18
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 17
- 125000005499 phosphonyl group Chemical group 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 7
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- 239000002585 base Substances 0.000 claims description 6
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical group C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 6
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 5
- NJLHHACGWKAWKL-UHFFFAOYSA-N ClP(Cl)=O Chemical compound ClP(Cl)=O NJLHHACGWKAWKL-UHFFFAOYSA-N 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 5
- 238000006460 hydrolysis reaction Methods 0.000 claims description 5
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 4
- 238000006555 catalytic reaction Methods 0.000 claims description 3
- QEBUOGZYVATTAY-UHFFFAOYSA-N ClCCC(COP(O)(O)=O)Cl Chemical compound ClCCC(COP(O)(O)=O)Cl QEBUOGZYVATTAY-UHFFFAOYSA-N 0.000 claims description 2
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims description 2
- 239000011592 zinc chloride Substances 0.000 claims description 2
- 235000005074 zinc chloride Nutrition 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims 2
- OWGJXSYVHQEVHS-UHFFFAOYSA-N 1-dichlorophosphorylethane Chemical compound CCP(Cl)(Cl)=O OWGJXSYVHQEVHS-UHFFFAOYSA-N 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 150000001805 chlorine compounds Chemical class 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 2
- MLSZIADXWDYFKM-UHFFFAOYSA-N 1-dichlorophosphorylethene Chemical compound ClP(Cl)(=O)C=C MLSZIADXWDYFKM-UHFFFAOYSA-N 0.000 abstract 3
- XXIDKSWYSYEFAG-UHFFFAOYSA-N 1-chloro-2-[2-chloroethoxy(2-chloroethyl)phosphoryl]oxyethane Chemical compound ClCCOP(=O)(CCCl)OCCCl XXIDKSWYSYEFAG-UHFFFAOYSA-N 0.000 abstract 2
- 238000004821 distillation Methods 0.000 abstract 1
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 9
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 9
- 238000010792 warming Methods 0.000 description 7
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- 238000010521 absorption reaction Methods 0.000 description 4
- -1 Alkenyl phosphonic acid Chemical compound 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
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- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- ANHAEBWRQNIPEV-UHFFFAOYSA-N 2-chloroethyl dihydrogen phosphate Chemical compound OP(O)(=O)OCCCl ANHAEBWRQNIPEV-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003592 biomimetic effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000003479 dental cement Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- BNKAXGCRDYRABM-UHFFFAOYSA-N ethenyl dihydrogen phosphate Chemical compound OP(O)(=O)OC=C BNKAXGCRDYRABM-UHFFFAOYSA-N 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 230000004345 fruit ripening Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910001510 metal chloride Inorganic materials 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical compound OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
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- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3826—Acyclic unsaturated acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/42—Halides thereof
- C07F9/425—Acid or estermonohalides thereof, e.g. RP(=X)(YR)(Hal) (X, Y = O, S; R = H, or hydrocarbon group)
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Abstract
本发明公开了一种乙烯利与乙烯基膦酸的联合生产方法,双‑(2‑氯乙基)‑2‑氯乙基膦酸酯在催化剂作用下,经光气或者二氯亚砜酰化,获得乙烯基膦酰氯与2‑氯乙基膦酰氯的混合物,通过减压精馏方式将乙烯基膦酰氯与2‑氯乙基膦酰氯分离,水解乙烯基膦酰氯与2‑氯乙基膦酰氯,得到乙烯基膦酸与乙烯利。本发明利用双‑(2‑氯乙基)‑2‑氯乙基膦酸酯同时合成乙烯利和乙烯基膦酸两种产品,工艺简单,并提高两种产品的纯度。
Description
技术领域
本发明属于有机合成领域,具体涉及一种乙烯利与乙烯基膦酸的联合生产方法。
背景技术
乙烯利,化学名2-氯乙基磷酸,是优质高效植物生长调节剂,具有促进果实成熟,刺激伤流,调节植物性别转化等效应。
乙烯基膦酸是一种重要精细化工中间体,其聚合物在防腐处理,燃料电池的聚合物电解质膜,医药领域的水凝胶药物传递系统、仿生矿化、牙科粘固剂等方面广泛应用。
目前,乙烯利的生产方法主要采用三氯化磷与环氧乙烷反应生产亚膦酸三乙酯,通过阿尔布佐夫重排反应获得双-(2-氯乙基)-2-氯乙基膦酸酯,最后用氯化氢气体酸解获得乙烯利。主要路线如下:专利DE-C-21 32 962介绍了使用环氧乙烷与三氯化磷反应,重排获得双-(2-氯乙基)-2-氯乙基膦酸酯后经光气酰化获得2-氯乙基膦酰氯,通过碱脱去氯化氢,最后水解获得乙烯基膦酸。在乙烯利产品中有少量的乙烯基膦酸存在,而乙烯基膦酸中也存在着少量的乙烯利,各自以杂质的形式存在于对方的产品中,使得产品纯度降低。
发明内容
本发明的目的是:提供一种乙烯利与乙烯基膦酸的联合生产方法,利用双-(2-氯乙基)-2-氯乙基膦酸酯同时合成两种产品,并且提高产品纯度。
本发明的技术解决方案是:双-(2-氯乙基)-2-氯乙基膦酸酯在催化剂作用下,经光气或者二氯亚砜酰化,获得乙烯基膦酰氯与2-氯乙基膦酰氯的混合物,通过减压精馏方式将乙烯基膦酰氯与2-氯乙基膦酰氯分离,水解乙烯基膦酰氯与2-氯乙基膦酰氯,得到乙烯基膦酸与乙烯利。
其中,所述的催化剂是三苯基膦、N,N-二甲基甲酰胺有机催化剂,或三氯化铁、三氯化铝、氯化锌无机金属氯化物,催化剂用量为双-(2-氯乙基)-2-氯乙基膦酸酯的0.5~5wt%。
其中,双-(2-氯乙基)-2-氯乙基膦酸酯的催化反应条件是:
将双-(2-氯乙基)-2-氯乙基膦酸酯投入反应釜中,加入催化剂,加热至130~180℃,通入光气或者滴入二氯亚砜,反应3~5小时,同时蒸出二氯乙烷,尾气以水吸收形成副酸产品;其中,双-(2-氯乙基)-2-氯乙基膦酸酯与光气或者二氯亚砜的摩尔比为1:2.5~1:3。
其中,减压精馏分离乙烯基膦酰氯与2-氯乙基膦酰氯的工艺条件是:真空度在1.5~25mbar,加热温度在70~150℃,从塔顶取出乙烯基膦酰氯,塔下部取出2-氯乙基膦酰氯。
其中,所述乙烯基膦酰氯的水解工艺条件是:将获得的乙烯基膦酰氯溶于其3~5倍(W/W)的二氯甲烷中,搅拌,10℃以下,缓慢滴入其2倍摩尔数的水;反应结束后,30~40℃真空脱去二氯甲烷,得到乙烯基磷酸产品。
其中,所述2-氯乙基膦酰氯的水解工艺条件是:将获得的2-氯乙基膦酰氯滴入其2倍摩尔数的水中,先慢后快,反应体系温度上升,控制滴入速度,保持温度在80~85℃,滴完保温搅拌1h,真空脱除HCl,冷却,得到乙烯利产品。
本发明的优点是:1、利用双-(2-氯乙基)-2-氯乙基膦酸酯同时合成乙烯利和乙烯基膦酸两种产品,工艺简单,提高两种产品的纯度;2、通过调节真空度与加热温度来调整乙烯基膦酰氯与2-氯乙基膦酰氯的比例;真空度高、温度低时,主要获得2-氯乙基膦酰氯;真空度低、温度高时,主要获得乙烯基膦酰氯,控制方式灵活。
具体实施方式
下面结合具体实施例进一步说明本发明的技术解决方案,这些实施例不能理解为是对技术方案的限制。
实施例1:依以下步骤联合生产乙烯利与乙烯基膦酸
(1)将270kg的双-(2-氯乙基)-2-氯乙基膦酸酯置于反应釜中,加入5.4kg的三苯基膦,升温至130℃,5h内持续滴入297.5kg二氯亚砜,二氯亚砜送入反应液面以下,不断蒸出二氯乙烷和HCl,HCl以水吸收,滴完继续反应至无液体蒸出;
(2)将反应液送入减压精馏塔进行减压精馏,控制真空度1.5mbar,从加热温度在70℃,塔顶收集61-62℃馏分,从塔下部收集128-130℃馏分,获得乙烯基膦酰氯64.2kg,2-氯乙基膦酰氯85.7kg;
(3)将64.2kg乙烯基膦酰氯投入反应釜中,加入192.6kg的二氯甲烷,控制温度10℃以下,滴入16.8kg水,尾气吸收,滴完搅拌1h,升温至40℃,真空脱尽二氯甲烷并回收,共获得乙烯基膦酸48.8kg,NaOH滴定法分析乙烯基膦酸含量为98.9%;
(4)在反应釜中加入7.5kg水,滴入2-氯乙基膦酰氯85.7kg,先慢后快,反应体系温度逐渐上升,保持在80-85℃,滴完保温继续搅拌1h,减压脱除HCl,趁热出料,获得69.5kg乙烯利,NaOH滴定法分析乙烯基膦酸含量为98.6%。
实施例2:依以下步骤联合生产乙烯利与乙烯基膦酸
(1)将270kg的双-(2-氯乙基)-2-氯乙基膦酸酯置于反应釜中,加入13.5kg的三氯化铁,升温至150℃,通入光气反应,反应4h,同时蒸出二氯乙烷,尾气以碱吸收,通氮吹尽残留光气;
(2)将反应液送入减压精馏塔进行减压精馏,控制真空度10mbar,加热温度在100℃,从塔顶收集41-44℃馏分,从塔下部收集105-106℃产品,获得乙烯基膦酰氯28.7kg,2-氯乙基膦酰氯129.6kg;
(3)将28.7kg乙烯基膦酰氯投入反应釜中,加入114.8kg的二氯甲烷,控制温度10℃以下,滴入7.5kg水,尾气吸收,滴完搅拌1.0h,升温至40℃,真空脱尽二氯甲烷并回收,共获得乙烯基膦酸21.6kg,NaOH滴定法分析乙烯基膦酸含量为99.2%;
(4)在反应釜中加入11.3kg水,滴入2-氯乙基膦酰氯129.6kg,先慢后快,反应体系温度逐渐上升,保持在80-85℃,滴完保温继续搅拌1h,减压脱除HCl,趁热出料,获得103.5kg乙烯利,NaOH滴定法分析乙烯基膦酸含量为98.5%。
实施例3:依以下步骤联合生产乙烯利与乙烯基膦酸
(1)将270kg的双-(2-氯乙基)-2-氯乙基膦酸酯置于反应釜中,加入6.75.kg的N,N-二甲基甲酰胺,升温至180℃,3h内持续滴入357kg二氯亚砜,二氯亚砜送入反应液面以下,不断蒸出二氯乙烷和HCl,HCl以水吸收,滴完升温至140℃继续反应至无液体蒸出;
(2)将反应液送入减压精馏塔进行减压精馏,控制真空度25mbar,加热温度在150℃,从塔顶收集48-50℃馏分,从塔下部收集112-114℃馏分,获得乙烯基膦酰氯35.4kg,2-氯乙基膦酰氯108.1kg;
(3)将35.4kg乙烯基膦酰氯投入反应釜中,加入106.2kg的二氯甲烷,控制温度10℃以下,滴入9.5kg水,尾气吸收,滴完搅拌1h,升温至40℃,真空脱尽二氯甲烷并回收,共获得乙烯基膦酸26.6kg,NaOH滴定法分析乙烯基膦酸含量为98.8%;
(4)在反应釜中加入25kg水,滴入2-氯乙基膦酰氯108.1kg,先慢后快,反应体系温度逐渐上升,保持在85-90℃,滴完保温继续搅拌1h,减压脱除HCl,趁热出料,获得87.4kg乙烯利,NaOH滴定法分析乙烯基膦酸含量为98.5%。
Claims (6)
1.乙烯利与乙烯基膦酸的联合生产方法,其特征是:双-(2-氯乙基)-2-氯乙基膦酸酯在催化剂作用下,经光气或者二氯亚砜酰化,获得乙烯基膦酰氯与2-氯乙基膦酰氯的混合物,通过减压精馏方式将乙烯基膦酰氯与2-氯乙基膦酰氯分离,水解乙烯基膦酰氯与2-氯乙基膦酰氯,得到乙烯基膦酸与乙烯利。
2.根据权利要求1所述的乙烯利与乙烯基膦酸的联合生产方法,其特征是:所述的催化剂是三苯基膦、N,N-二甲基甲酰胺有机催化剂,或三氯化铁、三氯化铝、氯化锌无机金属氯化物,催化剂用量为双-(2-氯乙基)-2-氯乙基膦酸酯的0.5~5wt%。
3.根据权利要求1所述的乙烯利与乙烯基膦酸的联合生产方法,其特征是:所述的双-(2-氯乙基)-2-氯乙基膦酸酯的催化反应条件是:将双-(2-氯乙基)-2-氯乙基膦酸酯投入反应釜中,加入催化剂,加热至130~180℃,通入光气或者滴入二氯亚砜,反应3~5小时,同时蒸出二氯乙烷,尾气以水吸收形成副酸产品;其中,双-(2-氯乙基)-2-氯乙基膦酸酯与光气或者二氯亚砜的摩尔比为1:2.5~1:3。
4.根据权利要求1所述的乙烯利与乙烯基膦酸的联合生产方法,其特征是:减压精馏分离乙烯基膦酰氯与2-氯乙基膦酰氯的工艺条件是:真空度在1.5~25mbar,加热温度在70~150℃,从塔顶取出乙烯基膦酰氯,塔下部取出2-氯乙基膦酰氯。
5.根据权利要求1所述的乙烯利与乙烯基膦酸的联合生产方法,其特征是:所述乙烯基膦酰氯的水解工艺条件是:将获得的乙烯基膦酰氯溶于其3~5倍(W/W)的二氯甲烷中,搅拌,10℃以下,缓慢滴入其2倍摩尔数的水;反应结束后,30~40℃真空脱去二氯甲烷,得到乙烯基磷酸产品。
6.根据权利要求1所述的乙烯利与乙烯基膦酸的联合生产方法,其特征是:所述2-氯乙基膦酰氯的水解工艺条件是:将获得的2-氯乙基膦酰氯滴入其2倍摩尔数的水中,先慢后快,反应体系温度上升,控制滴入速度,保持温度在80~85℃,滴完保温搅拌1h,真空脱除HCl,冷却,得到乙烯利。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972923A (en) * | 1971-06-15 | 1976-08-03 | Hoechst Aktiengesellschaft | Process for the preparation of phosphonic acid dihalides |
US4064163A (en) * | 1976-12-30 | 1977-12-20 | Amchem Products, Inc. | Process for the manufacture of aliphatic phosphonic acids |
GB2175904A (en) * | 1985-05-17 | 1986-12-10 | Vickers Plc | Preparation of phosphonic acid derivatives |
CN86107566A (zh) * | 1985-10-18 | 1987-07-29 | 联合碳化农产化学品公司 | 脂肪族膦酸的生产方法 |
-
2016
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972923A (en) * | 1971-06-15 | 1976-08-03 | Hoechst Aktiengesellschaft | Process for the preparation of phosphonic acid dihalides |
US4064163A (en) * | 1976-12-30 | 1977-12-20 | Amchem Products, Inc. | Process for the manufacture of aliphatic phosphonic acids |
GB2175904A (en) * | 1985-05-17 | 1986-12-10 | Vickers Plc | Preparation of phosphonic acid derivatives |
CN86107566A (zh) * | 1985-10-18 | 1987-07-29 | 联合碳化农产化学品公司 | 脂肪族膦酸的生产方法 |
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