WO2001012638A1 - Procédé de purification d'ester phosphorique organique - Google Patents
Procédé de purification d'ester phosphorique organique Download PDFInfo
- Publication number
- WO2001012638A1 WO2001012638A1 PCT/JP2000/004003 JP0004003W WO0112638A1 WO 2001012638 A1 WO2001012638 A1 WO 2001012638A1 JP 0004003 W JP0004003 W JP 0004003W WO 0112638 A1 WO0112638 A1 WO 0112638A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- aqueous solution
- organic phosphate
- purification method
- treated
- organic
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 61
- 150000002148 esters Chemical class 0.000 title claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 61
- 239000004593 Epoxy Substances 0.000 claims abstract description 41
- 239000002253 acid Substances 0.000 claims abstract description 35
- 238000000746 purification Methods 0.000 claims abstract description 34
- 239000007864 aqueous solution Substances 0.000 claims abstract description 28
- 229910019142 PO4 Inorganic materials 0.000 claims description 86
- 239000010452 phosphate Substances 0.000 claims description 80
- -1 phosphate ester Chemical class 0.000 claims description 53
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 44
- 238000011282 treatment Methods 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 150000003014 phosphoric acid esters Chemical class 0.000 claims description 25
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 10
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 9
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 230000002378 acidificating effect Effects 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 229910000288 alkali metal carbonate Inorganic materials 0.000 claims description 4
- 150000008041 alkali metal carbonates Chemical class 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 238000003860 storage Methods 0.000 abstract description 9
- 230000003301 hydrolyzing effect Effects 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 description 78
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 36
- 239000012535 impurity Substances 0.000 description 27
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 19
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 18
- 229920005989 resin Polymers 0.000 description 17
- 239000011347 resin Substances 0.000 description 17
- 239000007795 chemical reaction product Substances 0.000 description 15
- 230000007062 hydrolysis Effects 0.000 description 13
- 238000006460 hydrolysis reaction Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 12
- JLEXUIVKURIPFI-UHFFFAOYSA-N tris phosphate Chemical compound OP(O)(O)=O.OCC(N)(CO)CO JLEXUIVKURIPFI-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 10
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 9
- 229910052783 alkali metal Inorganic materials 0.000 description 9
- 150000001340 alkali metals Chemical class 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 8
- 239000007809 chemical reaction catalyst Substances 0.000 description 8
- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000006386 neutralization reaction Methods 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 150000002989 phenols Chemical class 0.000 description 6
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 6
- 239000012264 purified product Substances 0.000 description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 239000003513 alkali Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- 238000001256 steam distillation Methods 0.000 description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000004040 coloring Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229960001755 resorcinol Drugs 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 125000003944 tolyl group Chemical group 0.000 description 4
- BMPBPTNLNBRGOT-UHFFFAOYSA-N tris(4-ethylphenyl) phosphate Chemical compound C1=CC(CC)=CC=C1OP(=O)(OC=1C=CC(CC)=CC=1)OC1=CC=C(CC)C=C1 BMPBPTNLNBRGOT-UHFFFAOYSA-N 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- CMPQUABWPXYYSH-UHFFFAOYSA-N phenyl phosphate Chemical compound OP(O)(=O)OC1=CC=CC=C1 CMPQUABWPXYYSH-UHFFFAOYSA-N 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 2
- POSWICCRDBKBMH-UHFFFAOYSA-N 3,3,5-trimethylcyclohexan-1-one Chemical compound CC1CC(=O)CC(C)(C)C1 POSWICCRDBKBMH-UHFFFAOYSA-N 0.000 description 2
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- BQPNUOYXSVUVMY-UHFFFAOYSA-N [4-[2-(4-diphenoxyphosphoryloxyphenyl)propan-2-yl]phenyl] diphenyl phosphate Chemical compound C=1C=C(OP(=O)(OC=2C=CC=CC=2)OC=2C=CC=CC=2)C=CC=1C(C)(C)C(C=C1)=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 BQPNUOYXSVUVMY-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical group 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 125000000732 arylene group Chemical group 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical compound ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000011968 lewis acid catalyst Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- QWBBPBRQALCEIZ-UHFFFAOYSA-N 2,3-dimethylphenol Chemical compound CC1=CC=CC(O)=C1C QWBBPBRQALCEIZ-UHFFFAOYSA-N 0.000 description 1
- BBBUAWSVILPJLL-UHFFFAOYSA-N 2-(2-ethylhexoxymethyl)oxirane Chemical compound CCCCC(CC)COCC1CO1 BBBUAWSVILPJLL-UHFFFAOYSA-N 0.000 description 1
- AVSUMWIDHQEMPD-UHFFFAOYSA-N 2-(oxiran-2-yl)ethanol Chemical compound OCCC1CO1 AVSUMWIDHQEMPD-UHFFFAOYSA-N 0.000 description 1
- GRLVGEYKNOPQAY-UHFFFAOYSA-N 2-(oxiran-2-ylmethoxymethyl)oxirane;terephthalic acid Chemical compound C1OC1COCC1CO1.OC(=O)C1=CC=C(C(O)=O)C=C1 GRLVGEYKNOPQAY-UHFFFAOYSA-N 0.000 description 1
- FDZMLNCJBYFJBH-UHFFFAOYSA-N 2-[(2,3-dibromophenoxy)methyl]oxirane Chemical compound BrC1=CC=CC(OCC2OC2)=C1Br FDZMLNCJBYFJBH-UHFFFAOYSA-N 0.000 description 1
- HHRACYLRBOUBKM-UHFFFAOYSA-N 2-[(4-tert-butylphenoxy)methyl]oxirane Chemical compound C1=CC(C(C)(C)C)=CC=C1OCC1OC1 HHRACYLRBOUBKM-UHFFFAOYSA-N 0.000 description 1
- PRJQBLZFLQSJOM-UHFFFAOYSA-N 2-[[1,3-dibromo-2,2-dimethyl-3-(oxiran-2-ylmethoxy)propoxy]methyl]oxirane Chemical compound C(C1CO1)OC(C(C)(C(OCC1CO1)Br)C)Br PRJQBLZFLQSJOM-UHFFFAOYSA-N 0.000 description 1
- LIAWCKFOFPPVGF-UHFFFAOYSA-N 2-ethyladamantane Chemical compound C1C(C2)CC3CC1C(CC)C2C3 LIAWCKFOFPPVGF-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- SOTITVLSZNPNPS-UHFFFAOYSA-N 4-(1,3-dioxolan-2-yl)-7-oxabicyclo[4.1.0]heptane Chemical compound O1CCOC1C1CC2OC2CC1 SOTITVLSZNPNPS-UHFFFAOYSA-N 0.000 description 1
- PWKZHHLFGBEELG-UHFFFAOYSA-N 6-oxabicyclo[3.1.0]hex-1-ene Chemical compound C1CC2OC2=C1 PWKZHHLFGBEELG-UHFFFAOYSA-N 0.000 description 1
- TWFJMNZBFSTTNG-UHFFFAOYSA-N 9-oxabicyclo[6.1.0]non-6-ene Chemical compound C1=CCCCCC2OC21 TWFJMNZBFSTTNG-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- ADAHGVUHKDNLEB-UHFFFAOYSA-N Bis(2,3-epoxycyclopentyl)ether Chemical compound C1CC2OC2C1OC1CCC2OC21 ADAHGVUHKDNLEB-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 239000004386 Erythritol Substances 0.000 description 1
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 102100021941 Sorcin Human genes 0.000 description 1
- 101710089292 Sorcin Proteins 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001334 alicyclic compounds Chemical class 0.000 description 1
- 150000007824 aliphatic compounds Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- KBWLNCUTNDKMPN-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) hexanedioate Chemical compound C1OC1COC(=O)CCCCC(=O)OCC1CO1 KBWLNCUTNDKMPN-UHFFFAOYSA-N 0.000 description 1
- XUCHXOAWJMEFLF-UHFFFAOYSA-N bisphenol F diglycidyl ether Chemical compound C1OC1COC(C=C1)=CC=C1CC(C=C1)=CC=C1OCC1CO1 XUCHXOAWJMEFLF-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000004799 bromophenyl group Chemical group 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000000068 chlorophenyl group Chemical group 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000853 cresyl group Chemical group C1(=CC=C(C=C1)C)* 0.000 description 1
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 description 1
- 229940009714 erythritol Drugs 0.000 description 1
- 235000019414 erythritol Nutrition 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- VXNZUUAINFGPBY-UHFFFAOYSA-N ethyl ethylene Chemical group CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- OHNNZOOGWXZCPZ-UHFFFAOYSA-N exo-norbornene oxide Chemical compound C1CC2C3OC3C1C2 OHNNZOOGWXZCPZ-UHFFFAOYSA-N 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical class 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- VSWALKINGSNVAR-UHFFFAOYSA-N naphthalen-1-ol;phenol Chemical class OC1=CC=CC=C1.C1=CC=C2C(O)=CC=CC2=C1 VSWALKINGSNVAR-UHFFFAOYSA-N 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- FDGZUBKNYGBWHI-UHFFFAOYSA-N trioctadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC FDGZUBKNYGBWHI-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- OXFUXNFMHFCELM-UHFFFAOYSA-N tripropan-2-yl phosphate Chemical compound CC(C)OP(=O)(OC(C)C)OC(C)C OXFUXNFMHFCELM-UHFFFAOYSA-N 0.000 description 1
- RXPQRKFMDQNODS-UHFFFAOYSA-N tripropyl phosphate Chemical compound CCCOP(=O)(OCCC)OCCC RXPQRKFMDQNODS-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Classifications
-
- 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
- C07F9/025—Purification; Separation; Stabilisation; Desodorisation of organo-phosphorus compounds
-
- 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
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/09—Esters of phosphoric acids
- C07F9/12—Esters of phosphoric acids with hydroxyaryl compounds
Definitions
- the present invention relates to a method for purifying an organic phosphate ester useful as a plasticizer or a flame retardant for a synthetic resin. More specifically, the present invention relates to a purification method for stably obtaining an organic phosphoric acid ester having a low acid value and excellent heat resistance, storage stability and hydrolysis resistance. Background technology
- the organic phosphoric acid ester is synthesized by, for example, a method of dehydrochlorinating phosphorus oxyphosphorus with alcohols or phenols.
- Substances that develop an acid value adversely affect the properties of the organic phosphate such as heat resistance, hydrolysis resistance, and storage stability.
- the crude organophosphate is purified to reduce it.
- Purification includes neutralization using a basic substance, for example, wet neutralization using an alkali metal hydroxide such as sodium hydroxide, and alkaline earth such as calcium carbonate and magnesium hydroxide.
- Purification consisting of dry neutralization using a metal compound and washing with water, distillation purification and the like can be mentioned.
- the entire mixture containing the crude organic phosphate is emulsified during wet neutralization using an alkali metal hydroxide, and poor separation between the water layer and the oil layer may occur. There is also.
- low molecular weight compounds can be purified without the problem of alkali metal remaining as described above, but high molecular weight compounds have a problem that the purification treatment itself becomes difficult.
- impurities that adversely affect the physical properties of the organophosphate ester, such as heat resistance, hydrolysis resistance, and storage stability.
- impurities include unreacted compounds that have not been completely esterified, compounds in which phosphoric acid or alcohols are combined with a reaction catalyst, and other trace impurities derived from raw materials.
- impurities in an organic phosphate ester are reacted with an epoxy compound, the product is hydrolyzed with water to be converted into a water-soluble compound, and the generated water-soluble compound is removed by washing with water, and the organic compound is removed. It is to remove impurities in the phosphate ester.
- the present invention solves the above-mentioned problems, and has a low acid value, heat resistance, hydrolysis resistance and storage stability without being affected by the type and amount of the organic phosphoric acid ester and the processing conditions. It is an object of the present invention to provide a purification method for stably obtaining organophosphates having excellent properties.
- a crude organic phosphate ester is treated with an epoxy compound, and the treated organic phosphate ester is treated with an alkaline aqueous solution to be purified. Purification methods provided
- the organic phosphate ester treated by the method of the present invention is a compound known in the art, which is usually used as a plasticizer and / or a flame retardant for a resin, but is particularly limited as long as it contains impurities involved in its synthesis. Not done.
- organophosphates have the general formula (I):
- n represents an integer of 0 to 30, R 1 R 2 , R 3 and R 4 are the same or different, and when n is 0, an aliphatic hydrocarbon residue or an aromatic hydrocarbon residue , When n is 1 to 30, each represents an aromatic hydrocarbon residue, and R 5 represents a divalent organic group)
- aliphatic hydrocarbon residue represented by R 1 to R 4 a linear or branched alkyl group having 8 to 18 carbon atoms is preferable. , 2-ethylhexyl, n-octyl, sec-octyl, decyl, dodecyl, hexadecyl, octadecyl, etc.
- an aryl group having 6 to 15 carbon atoms is preferable. Specifically, phenyl, cresyl, xylyl, 2,6-dimethylphenyl, 2,4,6-trimethylphenyl Enyl, butylphenyl, nonylphenyl, etc. Is mentioned.
- Examples of the divalent organic group for R 5 include an alkylene group and an arylene group. Specific examples include alkylene groups such as methylene, ethylene, trimethylene, propylene, tetramethylene, and ethylethylene; arylene groups such as (o-, m- or P-) phenylene; and the following groups. Repetition,
- the organophosphate compound of the general formula (I) includes not only monomers but also multimers such as dimers and trimers.
- the organic phosphate ester treated by the method of the present invention may be not only a single compound thereof but also a mixture thereof.
- organic phosphates (I) are roughly classified into an organic phosphate having no aromatic hydrocarbon residue and an organic phosphate having an aromatic hydrocarbon residue.
- Organic phosphate esters having no aromatic hydrocarbon residue include trimethyl phosphate, triethyl phosphate, tri-n-propyl phosphate, triisopropyl phosphate, tri (2-ethylhexyl) phosphate, phosphorus
- Examples include tridecyl acid, trioctadecyl phosphate, tris phosphate (tribromoneopentyl), and tris phosphate (triclone neopentyl).
- organic phosphoric acid ester having an aromatic hydrocarbon residue examples include triphenyl phosphate, phosphoric acid [tri (o-, m- or P-) chlorophenyl], phosphoric acid [tri (o-, m- Or p-) bromophenyl], phosphoric acid [tri (o-, in- or P-) methylphenyl], phosphoric acid [tri (o-, m- or p-) ethylphenyl], phosphoric acid [tri (o-, m- or p-) n-propylphenyl], phosphoric acid [Tri (o-, m- or p-) isopropylphenyl], phosphoric acid [tri (o-, m- or P-) n-butylphenyl], phosphoric acid [tri (o-, m- or p-) -) sec-butylphenyl], phosphoric acid [tri (o-, m- or P-) tert-
- Tris phosphate [(2,3-, 2,4-, 2,5-, 2,6-, 3,4- or 3,5-) dimethylphenyl] Tris phosphate [(2,3-, 2 , 4-, 2,5-, 2,6-, 3,4- or 3,5-) getylphenyl], trisphosphate [(2,3-, 2,4-, 2,5-, 2, 6-, 3,4- or 3,5-) di-n-propylphenyl], trisphosphate
- Tris phosphate [(2,3,6-, 2,3,4-, 2,4,6- or 3,4,5-) trimethylphenyl] Tris phosphate [(2,3,6- , 2,3,4-, 2,4,6- or
- tris phosphate (2,3,6-, 2,3,4-, 2,4,6- or 3,4,5-) tripyrovirphenyl]
- a monomer of an organic phosphate such as cresyl diphenyl phosphate
- the crude organic phosphoric acid ester treated by the method of the present invention contains impurities associated with its synthesis, for example, one bond of alkali metal compound or Louis acid compound used as a reaction catalyst, or phosphoric acid derived from the reaction catalyst.
- impurities associated with its synthesis, for example, one bond of alkali metal compound or Louis acid compound used as a reaction catalyst, or phosphoric acid derived from the reaction catalyst.
- a compound in which a metal (metal in the reaction catalyst) is added to the compound, a dimer formed by the bonding of phosphate phosphate via the metal in the reaction catalyst, and phosphoric acid, the raw material compound, is bonded to the reaction catalyst It contains compounds, compounds in which alcohols or phenols are combined with a reaction catalyst, and unreacted compounds that have not been completely esterified (compounds having a P—C 1 bond). In the present invention, these compounds are collectively referred to as “impurities”.
- the purification method of the present invention aims to remove these impurities efficiently, and the treated organic phosphate is referred to as “crude organic phosphate” in the sense that it contains impurities. Name.
- Organophosphates can be obtained by methods known in the art and are generally free of catalyst or Lewis acid catalysts (eg, aluminum chloride, magnesium chloride, etc.). It can be obtained by reacting phosphorus oxychloride with an appropriate alcohol or phenol in the presence of shim or titanium tetrachloride.
- an aromatic bisphosphate is obtained by reacting oxyphosphorus chloride with an aromatic monohydroxy compound (monovalent phenol) in the presence of a Lewis acid catalyst, and converting the resulting diaryl phosphorohalidate to the catalyst described above. It can be obtained by reacting with an aromatic dihydroxy compound (divalent phenol) in the presence of (for example, see Japanese Patent Application Laid-Open No. 5-17979).
- Aromatic bisphosphates can also be obtained by reacting phosphorus oxychloride with an aromatic dihydroxy compound, removing the unreacted phosphorus oxychloride, and then reacting it with an aromatic monohydroxy compound. (Refer to Japanese Patent Application Laid-Open No. Sho 63-22272632).
- Aromatic bisphosphates can also be obtained by reacting oxychloride phosphorus with a mixture of an aromatic monohydroxyl compound and an aromatic dihydroxy compound.
- the phenols used in the production of the above-mentioned organophosphates include phenol, (o-, m- or P-) methylphenol, (2,3-, 2,4-, 2,5-, 2 , 6-, 3,4- or 3,5-) Monovalent phenols such as dimethylphenol, resorcinol, hydroquinone, bisphenol A, bisphenol 1 ⁇ bisphenol S, bivalent such as biphenol, naphthol Phenols.
- the amount of reaction catalyst used In the production of organophosphates, the amount of reaction catalyst used, the ratio of phosphoric acid to alcohols or phenols, the ratio of oxychloride to alcohols or phenols, the reaction temperature, the reaction Reaction conditions such as time are set as appropriate.
- the organic phosphate ester produced in this manner usually contains a large amount of impurities.
- a crude organic phosphate ester is used. Impurities can be efficiently removed from the phosphate ester.
- the purification method of the present invention can be applied to any of the organic phosphates represented by the general formula (I), but the organic phosphate represented by the following general formula (II) has an acid value of It is a compound that is particularly difficult to reduce the value of, and is a preferred embodiment of the present invention.
- QQ 2 , Q 3 and Q 4 are the same or different and represent an alkyl group having 1 to 6 carbon atoms
- R 6 , R 7 , R 8 and R 9 represent a methyl group
- m 1 m 2 , m 3 and m 4 are the same or different and represent an integer of 1 to 3
- X represents an integer of 0 to 5
- Examples of the alkyl group having 1 to 6 carbon atoms represented by Q 1 to Q 4 in the general formula (II) include straight-chains such as methyl, ethyl, n-propyl, n-butyl, n-pentyl, and n-hexyl. Examples include a chain alkyl group, and a branched alkyl group such as isopropyl, isobutyl, sec-butyl, tert-butyl, isopentyl, tert-pentyl, neo-pentyl, and methylpentyl.
- organic phosphates represented by the general formula (II) bisphenol A bis (diphenyl phosphate), bisphenol A bis [di (o-, m- or P-) methyl phenyl phosphate], bisphenol A bis [ Di (o-, m- or P-) ethyl phenyl phosphate] and bisphenol A bis [bis (2,3-, 2,4-, 2,5-, 2,6-, 3,4- Or 3,5-) dimethylphenyl] is a particularly preferred application.
- the crude organic phosphate to be treated includes a solid and a liquid, and the purification method of the present invention can be applied to any form. However, a liquid is preferable in terms of handling.
- the method of the present invention is preferably applied to a solution in which the solid or the liquid is dissolved in a solvent in advance.
- the solvent used at this time is not particularly limited as long as it can dissolve the organic phosphate ester and does not inhibit the action of the epoxy compound presumed as described below.
- Specific examples include aromatic solvents such as toluene, xylene and dichloromethane, and aliphatic solvents such as hexane, heptane and cyclohexan.
- a crude organic phosphate is treated with an epoxy compound (hereinafter, referred to as “epoxy treatment”).
- epoxy treatment an epoxy compound
- the acid component in the impurities contained in the crude organic phosphate is masked by the epoxy group.
- the epoxy compound may be any of an aliphatic compound, an aromatic compound, an alicyclic compound and a heterocyclic compound having one or more epoxy groups in its skeleton.
- Examples of the aliphatic epoxy compound include ethylene oxide, propylene oxide, butylene oxide, 3,4-epoxybutanol, polyethylene glycol diglycidyl ether (for example, those having an epoxy equivalent of 200 or 400), sorbitol Polyglycidylether, Sorbi Evenpoli Glycidyl ether, polyglycerol polyglycidyl ether, pen erythritol polyglycidyl ether, diglycerol polyglycidyl ether, glyceryl polyglycidyl ether, trimethylol propane polyglycidyl ether, propylene glycol dipropylene Glycidyl ether, polytetramethylene glycol diglycidyl ether, aryl glycidyl ether, 2-ethylhexyl glycidyl ether, diglycidyl adipate, dibromoneopentyl glycol diglycidyl ether and the like can be
- Aliphatic epoxy compounds include methyl 1,1-epoxycycloheptane, 2,3-epoxycyclopentene, 3,4-epoxycyclooctene, 2,3-epoxynorbornane, 2- (3, 4-epoxycyclohexyl) -1,3-dioxolane, 4,5-epoxy-1-benzene, 1,2-epoxy—4-P-benzene, 1- (glycidyloxymethyl) 1,3,4 -Epoxycyclohexane, 2,3-epoxy-1,3,5,5-trimethylcyclohexanone, bis (2,3-epoxycyclopentyl) ether and the like.
- aromatic, heterocyclic and other epoxy compounds include phenylglycidyl ether, p-tert-butylphenylglycidyl ether, triglycidyl retris (2-hydroxyethyl) isocyanurate, 0-diglycidyl ether of 0-phthalic acid, and hydride. Mouth quinone diglycidyl ether, diglycidyl ether terephthalate, glycidyl phthalide, dibromophenyl glycidyl ether, bisphenol A diglycidyl ether, bisphenol S diglycidyl ether and bisphenol F diglycidyl ether, and these And addition reaction products.
- liquid aliphatic epoxy compounds are preferable, and propylene oxide and butylene oxide are particularly preferable, because they are highly safe and can be easily obtained.
- the reaction conditions for the epoxy treatment are not particularly limited, and are appropriately selected according to the physical properties and reactivity of the organic phosphate or the epoxy compound. However, since the epoxy group reacts with moisture, it is preferable to previously dehydrate the crude organic phosphate.
- the treatment may be performed while blowing ethylene oxide into the crude organic phosphate through an insertion tube.
- the treatment may be performed by adding propylene oxide dropwise to the crude organic phosphoric acid ester or by adding propylene oxide to the crude organic phosphoric acid ester and then treating. You should.
- the treatment temperature is preferably about 40 to 160 ° C in consideration of the boiling point and reactivity. A temperature of about 80 to 140 ° C is more preferable.
- the processing temperature is lower than 40 ° C., the processing time is undesirably long.
- the treatment temperature is higher than 160 ° C., the organic phosphoric acid ester may be undesirably colored, or the boiling may occur vigorously during the treatment.
- Processing time of about 0.5 to 2 hours is usually sufficient.
- organophosphate of the general formula (II) when it is treated with propylene oxide, it takes about 0.5 hour, and when it is treated with butylene oxide, about 1 hour.
- the amount of epoxy compound used is theoretically sufficient to correspond to the acid value of the organic phosphoric acid ester, but in consideration of the reactivity of the epoxy compound and the loss due to volatilization when using a low boiling point epoxy compound, Organic phosphoric acid esters It is preferable to use an epoxy compound slightly in excess of the corresponding amount.
- the ratio of the crude organic phosphate to the epoxy compound is preferably about 1: 1 to 1:20 (molar ratio), preferably 1: 2 to 1 based on the acid value of the crude organic phosphate. : 5 (molar ratio) is particularly preferred.
- the epoxy-treated organic phosphate is treated with an alkaline aqueous solution (hereinafter referred to as “alkali treatment”).
- alkali treatment the epoxy-treated organic phosphate is treated with water or an acidic aqueous solution (preferably). Or water) (hereinafter referred to as “intermediate treatment”).
- the acidic aqueous solution include aqueous solutions of hydrogen chloride, phosphoric acid and the like having a concentration of about 0.01 to 1% by weight.
- the amount of water or acidic aqueous solution used is about 0.1 to 5% by weight, preferably 0.2 to 2% by weight, based on the crude organic phosphate.
- the number of times of processing is usually sufficient once, but the processing may be repeated as necessary.
- water or an acidic aqueous solution is added to the epoxy-treated organic phosphoric acid ester, and the mixture is stirred for about 5 minutes to 3 hours, and, if necessary, allowed to stand still to separate the water layer and the oil layer. Separate and remove the aqueous layer.
- an alkaline aqueous solution is added to the epoxy phosphate-treated organic phosphate ester or the intermediately-processed organic phosphate ester for treatment.
- the acid component in the impurities masked by the epoxy group in the epoxy treatment is converted into a water-soluble compound by this alcohol treatment.
- the aqueous solution is not particularly limited as long as it does not inhibit the purification of the organic phosphate.
- the term "alkaline” means a range of pH 8 to 13 or so.
- alkaline aqueous solution for example, alkali metal carbonates such as sodium carbonate and potassium carbonate, sodium hydrogen carbonate, alkaline metal bicarbonates such as hydrogen bicarbonate rim, and alkaline metal carbonates such as sodium hydroxide and hydroxide lime
- An aqueous solution of a hydroxide is mentioned, among which an aqueous solution of an alkali metal carbonate is preferred, and an aqueous solution of sodium carbonate is particularly preferred.
- the amount of the alkaline compound used in the aqueous solution is 0.1 to 50 molar equivalents, preferably 1 to 5 molar equivalents, based on the acid value of the crude organic phosphate ester before the epoxy treatment. It is.
- the organic phosphate ester can be sufficiently purified. It is not preferable because it cannot be done. If the amount of the alkaline compound used in the alkaline aqueous solution exceeds 50 molar equivalents, not only is it difficult to remove the alkaline compound, but also an emulsified state is obtained, which affects the separation, which is not preferable. .
- the concentration of the aqueous alkaline solution is about 0.1 to about 0% by weight of L, preferably about 0.1 to 1% by weight, and the used amount is calculated from the used amount of the above alkali compound. For example, it is about 1 to 100% by weight, preferably about 10 to 50% by weight, based on the crude organic phosphate.
- the treatment temperature is 60 to 120 ° C; preferably, it is in the range of 70 to 95 ° C. If the treatment temperature is in the range of 60 to 120 ° C, the organic phosphate ester is Without being subjected to hydrolysis, impurities can be efficiently hydrolyzed by the components introduced into the treatment system.
- the processing time is appropriately selected according to the processing temperature.
- the processing temperature is in the range of 60 to 120 ° C, about 0.5 to 2 hours is sufficient, but the higher the processing temperature, the shorter the processing time.
- the mixed solution containing the organic phosphoric acid ester that has been treated Then, the impurities converted into the water-soluble compound by the heat treatment are removed as an aqueous layer. Further, if necessary, further washing with water can further reduce the residual residue.
- the specific operation of this cleaning treatment is the same as the treatment with water performed prior to the above-mentioned cleaning treatment. In this way, water-soluble impurities that have a negative effect on heat resistance, hydrolysis resistance, storage stability, etc. are finally removed.
- the solvent used to dissolve the crude organic phosphate and the organic solvent remaining during the synthesis of the crude organic phosphate are removed together with water by distillation under reduced pressure.
- the organic solvent is preferably dehydrated and dried, and then subjected to steam distillation in order to remove the solvent.
- an organic heat-unstable impurity can be completely converted into a water-soluble substance by hydrolysis and removed by alkali treatment, so that an excellent refining effect can be obtained. can get.
- the treatment is performed at a relatively low temperature, side reactions during the treatment can be suppressed, and the reduction of the acid value of the organic phosphate ester is not hindered. Also, industrially, the heat energy required for heating and the time required for heating and cooling can be reduced, so that organic phosphates with a low acid value can be economically and simply prepared. You can get tell.
- the reduction in the acid value of the organic phosphate ester is not hindered by the amount of the organic phosphate ester to be treated, which is particularly advantageous in the practice on an industrial scale.
- the amount of the organic phosphoric acid ester to be treated is a scale in normal industrial production.
- the amount of the organic phosphate is at least 500 liters, preferably at least 100 liters, more preferably at least 300 liters.
- the upper limit is not particularly limited. However, due to limitations of the reactor, the upper limit is specifically 300 liters or less, preferably 2000 liters or less, and more preferably 1000 liters or less. It is.
- the organic phosphoric acid ester obtained by the purification method of the present invention includes polyethylene resin, polypropylene resin, polybutadiene resin, polystyrene resin, polyphenylene ether resin, polycarbonate resin, acrylonitrile-butadiene-styrene.
- ABS resin impact-resistant styrene resin, acrylonitrile-styrene (SAN) resin, polyamide resin, polyester resin, polyphenylene sulfide resin, thermoplastic resin such as polyacrylic resin, and Used as a flame retardant for thermosetting resins such as epoxy resins, polyurethane resins, polyimide resins, phenolic resins, novolak resins, polyetherimide resins, melamine resins, and urea resins.
- thermosetting resins such as epoxy resins, polyurethane resins, polyimide resins, phenolic resins, novolak resins, polyetherimide resins, melamine resins, and urea resins.
- the organic phosphate ester obtained by the method of the present invention has a low acid value, it does not decompose even at a high processing temperature during resin molding, and is therefore a high-quality resin excellent in heat resistance and coloring resistance. A molded article is obtained.
- the above resin molded product can be obtained by a known method.
- flame retardant, resin and optionally other resin additives single screw extruder, twin screw A resin composition is obtained by mixing or melt-kneading a single or a combination of general-purpose devices, such as an extruder, a Banbury mixer, a so-called mixer, a roll, etc., to obtain a resin composition. It is obtained by processing into sheet and film shapes.
- the oil layer was dehydrated under reduced pressure to obtain 11,000 kg of a crude reaction product mainly composed of bisphenol A bis (diphenyl phosphate) represented by the following formula.
- the crude reaction product was a colorless transparent viscous liquid having an acid value of 1.2 and a water content of 150 ppm.
- reaction mixture was cooled to 85 ° C, 73 kg of water (0.66% by weight based on the crude reaction product) was added, and the mixture was stirred for 2 hours (intermediate treatment). Subsequently, 3000 kg of a 0.8% by weight aqueous sodium carbonate solution (27.3% by weight based on the crude reaction product) was added, and the mixture was stirred at 85 ° C. for 15 minutes (alkali treatment), allowed to stand, and then allowed to stand. Was isolated.
- the separated oil layer was washed twice with 310 Okg of water at about 70 ° C, and then subjected to steam distillation at 140 ° C / 5 OmmHg for 7 hours to remove impurities such as residual phenol and to purify. About 8.8 t of the product (yield: about 97, 5%) was obtained.
- the acid value of the resulting purified product was 0.014, and its Na content was 0.7 ppm.
- the hue based on the Hazen hue method was 25, and the purity determined by gel permeation chromatography (GPC) measurement was 85.4%.
- reaction mixture was cooled to 85 ° C, 73 kg of water (0.66% by weight based on the crude reaction product) was added, and the mixture was stirred for 2 hours (intermediate treatment). Subsequently, 310 kg of water at about 85 ° C was added and stirred for 1 hour (heat treatment), and then 2000 kg of water at about 85 ° C was added to separate an oil layer.
- the separated oil layer was washed twice with 3100 kg of water at approximately 85 ° C, and then subjected to steam distillation at 140 ° C / 5 OmmHg for 7 hours to remove residual phenol and other impurities, thereby purifying the oil layer. About 8.8 t (yield: about 97.5%) of the product was obtained.
- the acid value of the resulting purified product was 0.124, and its Na content was 0.6 ppm. From the results of Example and Comparative Example 1, the organic phosphoric acid ester purified by the method of the present invention was compared with the organic phosphoric acid ester purified by the conventional method, despite the treatment on an industrial scale. Thus, it can be seen that the acid value is low and the Na content is equivalent.
- the organic phosphoric acid ester purified by the method of the present invention uses the original organic phosphoric acid ester. Closer to physical properties, excellent in heat resistance, hydrolysis resistance and storage stability. Further, since the Na content is small, the organic phosphate ester purified by the method of the present invention does not have a coloring problem. Comparative Example 2 (JP-A-8-67685, Example 1)
- reaction was then cooled to 85 ° C and washed with 3100 kg of water at 85 ° C (intermediate treatment).
- the separated oil layer is washed with 3100 kg of water at about 85 ° C, water is removed by vacuum distillation, and then steam distillation at 140 ° C / 5 OmmHg for 4 hours to remove impurities such as residual phenol. Was removed to obtain a purified product of about 8.8 t (yield: about 97.5%).
- the acid value of the purified product obtained was 0.09, and its Na content was 0.6 ppm.
- the hue based on the Hazen hue method was 30, and the purity determined by GPC measurement was 85.35%.
- H and G represent hues based on the Hazen hue method and the Gardner-hue method, respectively.
- the method for purifying an organic phosphate according to the present invention does not require complicated operations for setting conditions in the conventional method, and is a simple operation of treating with an alkaline aqueous solution. Impurities that have an adverse effect on physical properties such as degradability and storage stability can be removed.
- an alkali metal compound that causes coloring of the organic phosphoric acid ester almost no alkali metal remains after the treatment, and the problem of coloring is eliminated.
- the purification method of the present invention can sufficiently treat an organic phosphate ester to be treated even if it is an industrial amount.
- the organic phosphate ester purified by the method of the present invention has a low acid value, and is excellent in heat resistance, hydrolysis resistance and storage stability, so that it can be added to a resin as a plasticizer or a flame retardant. It is stable at the molding temperature of the resin and does not change its composition.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/030,124 US6706907B1 (en) | 1999-08-18 | 2000-06-19 | Method of purifying organic phosphoric ester |
JP2001517536A JP4293748B2 (ja) | 1999-08-18 | 2000-06-19 | 有機リン酸エステルの精製方法 |
DE60006540T DE60006540T2 (de) | 1999-08-18 | 2000-06-19 | Verfahren zur reinigung organischer phosphorsäureester |
EP00939102A EP1205483B1 (en) | 1999-08-18 | 2000-06-19 | Method of purifying organic phosphoric ester |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11/231704 | 1999-08-18 | ||
JP23170499 | 1999-08-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001012638A1 true WO2001012638A1 (fr) | 2001-02-22 |
Family
ID=16927706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2000/004003 WO2001012638A1 (fr) | 1999-08-18 | 2000-06-19 | Procédé de purification d'ester phosphorique organique |
Country Status (6)
Country | Link |
---|---|
US (1) | US6706907B1 (ja) |
EP (1) | EP1205483B1 (ja) |
JP (1) | JP4293748B2 (ja) |
DE (1) | DE60006540T2 (ja) |
TW (1) | TW589319B (ja) |
WO (1) | WO2001012638A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7759522B2 (en) | 2001-02-08 | 2010-07-20 | Supresta Llc | Process for purification of phosphate esters |
JP2013001690A (ja) * | 2011-06-20 | 2013-01-07 | Daihachi Chemical Industry Co Ltd | 縮合燐酸エステルの精製方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200813197A (en) * | 2006-07-07 | 2008-03-16 | Albemarle Corp | Phosphorous-based flame retardant recovery method |
CN106699805B (zh) * | 2016-12-15 | 2019-02-01 | 衢州普信新材料有限公司 | 一种双酚a双(二苯基磷酸酯)的制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0690063A1 (en) * | 1994-06-23 | 1996-01-03 | Daihachi Chemical Industry Co., Ltd. | Purification method of phosphoric esters |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4049617A (en) | 1976-01-19 | 1977-09-20 | Velsicol Chemical Corporation | Reactive flame retardants |
JPS63227632A (ja) | 1987-03-17 | 1988-09-21 | Daihachi Kagaku Kogyosho:Kk | 難燃剤の製造方法 |
JP2552780B2 (ja) | 1991-04-16 | 1996-11-13 | 大八化学工業株式会社 | 芳香族ジホスフェートの製造方法と用途 |
US5206404A (en) | 1992-04-27 | 1993-04-27 | Fmc Corporation | Triaryl phosphate ester composition and process for its preparation |
US5401788A (en) | 1993-03-16 | 1995-03-28 | Daihachi Chemical Industry Co., Ltd. | Organic phosphorus compounds and flame-retarded resin compositions containing the same |
JP3305165B2 (ja) | 1994-06-23 | 2002-07-22 | 大八化学工業株式会社 | 燐酸エステル類の精製方法 |
BR9808644A (pt) | 1997-02-14 | 2000-05-23 | Great Lakes Chemical Corp | Processo para a fabricação e uso de bisaril difosfatos |
JP3043694B2 (ja) | 1997-11-27 | 2000-05-22 | 旭化成工業株式会社 | 燐酸エステル系難燃剤 |
JP4187353B2 (ja) * | 1999-06-09 | 2008-11-26 | 株式会社Adeka | 低酸価燐酸エステルの製造方法 |
-
2000
- 2000-06-19 DE DE60006540T patent/DE60006540T2/de not_active Expired - Lifetime
- 2000-06-19 WO PCT/JP2000/004003 patent/WO2001012638A1/ja active IP Right Grant
- 2000-06-19 EP EP00939102A patent/EP1205483B1/en not_active Expired - Lifetime
- 2000-06-19 US US10/030,124 patent/US6706907B1/en not_active Expired - Lifetime
- 2000-06-19 JP JP2001517536A patent/JP4293748B2/ja not_active Expired - Lifetime
- 2000-06-21 TW TW089112147A patent/TW589319B/zh not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0690063A1 (en) * | 1994-06-23 | 1996-01-03 | Daihachi Chemical Industry Co., Ltd. | Purification method of phosphoric esters |
Non-Patent Citations (1)
Title |
---|
See also references of EP1205483A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7759522B2 (en) | 2001-02-08 | 2010-07-20 | Supresta Llc | Process for purification of phosphate esters |
JP2013001690A (ja) * | 2011-06-20 | 2013-01-07 | Daihachi Chemical Industry Co Ltd | 縮合燐酸エステルの精製方法 |
Also Published As
Publication number | Publication date |
---|---|
DE60006540D1 (de) | 2003-12-18 |
JP4293748B2 (ja) | 2009-07-08 |
EP1205483A4 (en) | 2002-11-20 |
TW589319B (en) | 2004-06-01 |
US6706907B1 (en) | 2004-03-16 |
DE60006540T2 (de) | 2004-09-23 |
EP1205483A1 (en) | 2002-05-15 |
EP1205483B1 (en) | 2003-11-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5616768A (en) | Process for purifying phosphoric esters | |
US20030171463A1 (en) | Preparation of phenylphosphate esters of 4,4'-biphenol | |
CA2116802C (en) | Process for the manufacture of poly(hydrocarbylene aryl phosphate) compositions | |
CA1241347A (en) | Purification of ethylene glycol derived from ethylene carbonate | |
CN1076354C (zh) | 双(烃基磷酸)烃基酯的制备方法 | |
US2488449A (en) | Organo-silicon-phosphorus condensation products | |
WO2001012638A1 (fr) | Procédé de purification d'ester phosphorique organique | |
US5281741A (en) | Process for preparing aryldiphosphate esters | |
EP0915891A1 (en) | Process for the formation of hydrocarbyl bis(dihydrocarbyl phosphate) | |
JP5732326B2 (ja) | 縮合燐酸エステルの精製方法 | |
US4873314A (en) | Process for the production of polycarbonate solutions | |
JP3305165B2 (ja) | 燐酸エステル類の精製方法 | |
US6489502B2 (en) | Process for preparing phosphoric acid esters | |
CN100486979C (zh) | 提纯磷酸酯的方法 | |
KR20020023967A (ko) | 축합형 인산 에스테르의 제조 방법 | |
EP1199310B1 (en) | Process for the preparation of condensed phosphoric esters | |
US2614116A (en) | Production of hydrocarbon-oxy phosphoryl monofluorides | |
EP1103557B1 (en) | Process for preparing low-acid-value phosphoric esters | |
US3737487A (en) | Process for preparing aryl alkyl phosphates | |
US4981615A (en) | Process for forming a stable emulsion from a triaryl phosphate reaction mixture residue | |
SU257373A1 (ru) | Способ получения пластификатора на основе триарилфосфатов | |
JP2000327688A (ja) | ホスフェートの製造方法 | |
JPS62106057A (ja) | アクリル酸エステル類の製造方法 | |
JPH0242837B2 (ja) | ||
IL101830A (en) | Process for the preparation of triaryl phosphates |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10030124 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000939102 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2000939102 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2000939102 Country of ref document: EP |