CN103172670B - A kind of monoalkyl/dialkylphosphinic salts and preparation method thereof - Google Patents
A kind of monoalkyl/dialkylphosphinic salts and preparation method thereof Download PDFInfo
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- CN103172670B CN103172670B CN201310068664.7A CN201310068664A CN103172670B CN 103172670 B CN103172670 B CN 103172670B CN 201310068664 A CN201310068664 A CN 201310068664A CN 103172670 B CN103172670 B CN 103172670B
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- China
- Prior art keywords
- initiator
- alkene
- hypophosphite
- monoalkyl
- dialkylphosphinic salts
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- 150000003839 salts Chemical class 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 35
- 239000002253 acid Substances 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000003999 initiator Substances 0.000 claims abstract description 48
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 claims abstract description 33
- 150000001336 alkenes Chemical class 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 11
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 9
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 8
- 239000012429 reaction media Substances 0.000 claims abstract description 8
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 5
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 5
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 5
- 229910052718 tin Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 5
- -1 pentyl ester Chemical class 0.000 claims description 48
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 20
- 239000004160 Ammonium persulphate Substances 0.000 claims description 14
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical group [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 14
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 14
- 238000005502 peroxidation Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- VXHFNALHLRWIIU-UHFFFAOYSA-N tert-butyl 2,2-dimethylpropanoate Chemical compound CC(C)(C)OC(=O)C(C)(C)C VXHFNALHLRWIIU-UHFFFAOYSA-N 0.000 claims description 7
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 150000002978 peroxides Chemical class 0.000 claims description 5
- 239000004159 Potassium persulphate Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001451 organic peroxides Chemical class 0.000 claims description 4
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 4
- 235000019394 potassium persulphate Nutrition 0.000 claims description 4
- VVWRJUBEIPHGQF-UHFFFAOYSA-N propan-2-yl n-propan-2-yloxycarbonyliminocarbamate Chemical group CC(C)OC(=O)N=NC(=O)OC(C)C VVWRJUBEIPHGQF-UHFFFAOYSA-N 0.000 claims description 4
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 3
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 3
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 claims description 2
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical group CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 claims description 2
- YNJSNEKCXVFDKW-UHFFFAOYSA-N 3-(5-amino-1h-indol-3-yl)-2-azaniumylpropanoate Chemical group C1=C(N)C=C2C(CC(N)C(O)=O)=CNC2=C1 YNJSNEKCXVFDKW-UHFFFAOYSA-N 0.000 claims description 2
- MUPIEMDDBGZNRU-UHFFFAOYSA-N C(C)(C)C(=O)O.C(C)(C)(C)OO Chemical compound C(C)(C)C(=O)O.C(C)(C)(C)OO MUPIEMDDBGZNRU-UHFFFAOYSA-N 0.000 claims description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001941 cyclopentenes Chemical group 0.000 claims description 2
- BRDYCNFHFWUBCZ-UHFFFAOYSA-N dodecaneperoxoic acid Chemical compound CCCCCCCCCCCC(=O)OO BRDYCNFHFWUBCZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000006408 oxalic acid Nutrition 0.000 claims description 2
- 150000004978 peroxycarbonates Chemical class 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 238000005406 washing Methods 0.000 abstract description 11
- 230000035484 reaction time Effects 0.000 abstract description 5
- 239000002904 solvent Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 32
- 239000000243 solution Substances 0.000 description 18
- TYFJTEPDESMEHE-UHFFFAOYSA-N 6,8-dihydroxy-3-[2-(4-methoxyphenyl)ethyl]-3,4-dihydroisochromen-1-one Chemical compound C1=CC(OC)=CC=C1CCC1OC(=O)C2=C(O)C=C(O)C=C2C1 TYFJTEPDESMEHE-UHFFFAOYSA-N 0.000 description 16
- 238000013019 agitation Methods 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 238000010792 warming Methods 0.000 description 15
- 238000001816 cooling Methods 0.000 description 14
- 239000007787 solid Substances 0.000 description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 238000001291 vacuum drying Methods 0.000 description 12
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 11
- 239000004411 aluminium Substances 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 10
- 239000011777 magnesium Substances 0.000 description 9
- XSAOTYCWGCRGCP-UHFFFAOYSA-K aluminum;diethylphosphinate Chemical compound [Al+3].CCP([O-])(=O)CC.CCP([O-])(=O)CC.CCP([O-])(=O)CC XSAOTYCWGCRGCP-UHFFFAOYSA-K 0.000 description 8
- 239000005977 Ethylene Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 239000003063 flame retardant Substances 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 238000006703 hydration reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- MTQZPPVWYYWULR-UHFFFAOYSA-N [Ca].C(C)P(O)=O Chemical compound [Ca].C(C)P(O)=O MTQZPPVWYYWULR-UHFFFAOYSA-N 0.000 description 3
- PPZHNFWRLFKMON-UHFFFAOYSA-N [Zn].C(C)P(O)=O Chemical compound [Zn].C(C)P(O)=O PPZHNFWRLFKMON-UHFFFAOYSA-N 0.000 description 3
- XFBXDGLHUSUNMG-UHFFFAOYSA-N alumane;hydrate Chemical compound O.[AlH3] XFBXDGLHUSUNMG-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 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 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 2
- BCZXFFBUYPCTSJ-UHFFFAOYSA-L Calcium propionate Chemical compound [Ca+2].CCC([O-])=O.CCC([O-])=O BCZXFFBUYPCTSJ-UHFFFAOYSA-L 0.000 description 2
- 239000007818 Grignard reagent Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 235000019400 benzoyl peroxide Nutrition 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000004330 calcium propionate Substances 0.000 description 2
- 235000010331 calcium propionate Nutrition 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- JJPBKCZJVYSKGV-UHFFFAOYSA-N diethoxyphosphane Chemical compound CCOPOCC JJPBKCZJVYSKGV-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 150000004795 grignard reagents Chemical class 0.000 description 2
- 230000002779 inactivation Effects 0.000 description 2
- 229910001381 magnesium hypophosphite Inorganic materials 0.000 description 2
- SEQVSYFEKVIYCP-UHFFFAOYSA-L magnesium hypophosphite Chemical compound [Mg+2].[O-]P=O.[O-]P=O SEQVSYFEKVIYCP-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 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 2
- 125000002347 octyl 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])[H] 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- MDDUHVRJJAFRAU-YZNNVMRBSA-N tert-butyl-[(1r,3s,5z)-3-[tert-butyl(dimethyl)silyl]oxy-5-(2-diphenylphosphorylethylidene)-4-methylidenecyclohexyl]oxy-dimethylsilane Chemical compound C1[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C(=C)\C1=C/CP(=O)(C=1C=CC=CC=1)C1=CC=CC=C1 MDDUHVRJJAFRAU-YZNNVMRBSA-N 0.000 description 2
- JSHGIFJJYKHKDA-UHFFFAOYSA-K tris(diethylphosphoryloxy)alumane hydrate Chemical compound CCP(=O)(CC)O[Al](OP(=O)(CC)CC)OP(=O)(CC)CC.O JSHGIFJJYKHKDA-UHFFFAOYSA-K 0.000 description 2
- DGLXNOJGOHKWTN-UHFFFAOYSA-N CCCP(O)=O Chemical compound CCCP(O)=O DGLXNOJGOHKWTN-UHFFFAOYSA-N 0.000 description 1
- 239000007977 PBT buffer Substances 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- AUONHKJOIZSQGR-UHFFFAOYSA-N oxophosphane Chemical compound P=O AUONHKJOIZSQGR-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-M phosphonate Chemical compound [O-]P(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-M 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 229910001392 phosphorus oxide Inorganic materials 0.000 description 1
- FAIAAWCVCHQXDN-UHFFFAOYSA-N phosphorus trichloride Chemical compound ClP(Cl)Cl FAIAAWCVCHQXDN-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- OBSZRRSYVTXPNB-UHFFFAOYSA-N tetraphosphorus Chemical compound P12P3P1P32 OBSZRRSYVTXPNB-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000006886 vinylation reaction Methods 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
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/301—Acyclic saturated acids which can have further substituents on alkyl
-
- 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
- C07F9/48—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof
- C07F9/4808—Phosphonous acids [RP(OH)2] including [RHP(=O)(OH)]; Thiophosphonous acids including [RP(SH)2], [RHP(=S)(SH)]; Derivatives thereof the acid moiety containing a substituent or structure which is considered as characteristic
- C07F9/4816—Acyclic saturated acids or derivatices which can have further substituents on alkyl
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
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- 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)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
Abstract
The invention discloses a kind of preparation method of monoalkyl/dialkylphosphinic salts, comprise the steps: to take water as reaction medium, hypophosphite is reacted with alkene I under initiator I effect at temperature is 70 ~ 90 DEG C, obtains monoalkylphosphinic acid salt; Be heated to 90 ~ 110 DEG C, the monoalkylphosphinic acid salt obtained reacted with alkene II under initiator II effect, obtains dialkylphosphinic salts; Or, take water as reaction medium, hypophosphite is reacted with alkene III under initiator III effect at temperature is 70 ~ 120 DEG C, obtains dialkylphosphinic salts; Wherein, described hypophosphite is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Sr salt of Hypophosporous Acid, 50; The present invention is directly that raw material single stage method obtains monoalkyl/dialkylphosphinic salts with hypophosphite, and reaction time is short; Overall yield is high, and the purity of product is high; Technical process is simple; Organic solvent-free or other solvents, without any need for aftertreatment; After product salify, other salts contgs are few, are easy to washing.
Description
Technical field
The present invention relates to a kind of monoalkyl/dialkylphosphinic salts and preparation method thereof.
Background technology
Monoalkylphosphinic acid salt and dialkylphosphinic salts, be widely used as fire retardant, synthesizes by diverse ways.In the novel method of the research-phosphorus oxide acylation reaction-synthesis dialkyl phosphonic acids of organo phosphorous compounds and derivative thereof, (Chinese science B collects Yuan Chengye etc., 1984, 12, 1088 ~ 1092) and Lin Qiang etc. quantitatively synthesized phospho acid (Central South University's journal (natural science edition) by dialkyl phosphine oxide, 1987, 18(6), 697) describe Grignard reagent method in and generate phosphonous acid diethyl ester by phosphorus trichloride and ethanol synthesis, phosphonous acid diethyl ester and self-control Grignard reagent react and are hydrolyzed and obtain dialkyl group phosphine oxide, dialkyl group phosphine oxide and oxidant reaction also can obtain dialkyl phosphinic acid after acidifying.The product purity of this method is higher, but this method production technique is comparatively loaded down with trivial details, reaction time is long, and especially cost is high and productive rate is low, thus to making it be difficult to realize suitability for industrialized production.
Patent DE4430932 discloses two replacement metal phosphinates and is used as fire retardant at polyester, DE19910232, US6248921 two patents, discloses the preparation method that a kind of two replace metal phosphinate.US Patent No. 6359171B1 discloses a kind of preparation method of dialkyl phosphinic acid aluminium, first the method adopts yellow phosphorus to synthesize monoalkyl phosphonate, then utilize free radical to cause to be hydrolyzed after vinylation sour after and aluminium reactant salt obtain dialkyl phosphinic acid aluminium fire retardant.
Chinese patent CN98811622.7, CN98811626.X, CN98811627.8 etc. disclose with a hydration sodium hypophosphite or 50% aqueous hypophosphorous acid in acetic acid medium, cause it and ɑ-olefine reaction prepares dialkyl phosphinic acid and metal-salt thereof by azo initiator or peroxide initiator.This method is reacted in acetic acid medium, its speed of response is very fast, but make aftertreatment become very difficulty after solvent acetic acid and the hydration sodium hypophosphite water particularly in 50% Hypophosporous Acid, 50 is miscible, and because there is the existence of water to make the easy cancellation inactivation of radical initiator, making to need to add more radical initiator just can make reaction complete, and while increasing cost, the side reaction of reaction process is increased.
Chinese patent CN200410104692.0 discloses employing one hydration sodium hypophosphite or 50wt% Hypophosporous Acid, 50 solution free radical in acidic aqueous solution causes and ɑ-olefine reaction prepares dialkyl phosphinic acid and metal-salt thereof.The program is carried out in water, and aftertreatment is few, but makes the easy cancellation inactivation of radical initiator, and reaction time is long.
More than invent all with Hypophosporous Acid, 50 or Hypophosporous Acid, 50 an alkali metal salt, after being prepared into dialkyl phosphinic acid or dialkyl phosphinic acid an alkali metal salt, still need the throw out that could be prepared into dialkyl phosphinic acid alkaline earth salt or other salt after processing further in water.And aforesaid method gained be essentially dialkyl phosphinic acid hydrochlorate, be difficult to obtain the higher monoalkylphosphinic acid salt of comparatively content or Hypophosporous Acid, 50.
Summary of the invention
In order to the shortcoming overcoming prior art is with not enough, the object of the invention is to provide the preparation method of monoalkyl/dialkylphosphinic salts that a kind of technical process is simple, reaction time is short, overall yield is high, product purity is high.
The present invention is achieved by the following technical solutions:
A preparation method for monoalkyl/dialkylphosphinic salts, comprises the steps:
Take water as reaction medium, hypophosphite is reacted with alkene I under initiator I effect at temperature is 70 ~ 90 DEG C, obtains monoalkylphosphinic acid salt;
Or, take water as reaction medium, hypophosphite is reacted at temperature is 70 ~ 90 DEG C with alkene I under initiator I effect, obtain monoalkylphosphinic acid salt, be heated to 90 ~ 110 DEG C, the monoalkylphosphinic acid salt obtained is reacted with alkene II under initiator II effect, obtains dialkylphosphinic salts;
Or, take water as reaction medium, hypophosphite is reacted with alkene III under initiator III effect at 70 ~ 120 DEG C, obtains dialkylphosphinic salts;
Wherein, described hypophosphite is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Sr salt of Hypophosporous Acid, 50.
The mass ratio of described hypophosphite and water is 1:1 ~ 50, is preferably 1:2 ~ 10, is more preferably 1:2.5 ~ 5;
Described initiator I, initiator II are identical with initiator III;
Described initiator I, initiator II are different with initiator III;
Described initiator I, initiator II and initiator III are the 0.1mol% ~ 10mol% of hypophosphite.
Described initiator I, initiator II and initiator III are azo-initiator, organic peroxide evocating agent or inorganic peroxide initiator.
Described azo-initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile);
Described organic peroxide evocating agent is perbenzoic acid, peroxylauric acid, ditertiary butyl peroxide, the special pentyl ester of peroxycarbonates, excessively oxalic acid, tert-butyl hydroperoxide isobutyrate, the peroxidation trimethylacetic acid tert-butyl ester or peroxidation;
Described inorganic peroxide initiator is ammonium persulphate, Sodium Persulfate or Potassium Persulphate.
Described alkene I, alkene II and alkene III are identical or different, are the ɑ-alkene of naphthenic alkene or carbonatoms 2 ~ 20.
Described ɑ-alkene is selected from the mixture of one or more in ethene, propylene, butylene, iso-butylene or amylene.
Described naphthenic alkene is cyclopentenes or tetrahydrobenzene.
The mol ratio of described hypophosphite and alkene I is less than 1:1, is preferably 1:1.01 ~ 1.5;
The mol ratio of described hypophosphite and alkene II is less than 1:1, is preferably 1:1.01 ~ 1.5;
The mol ratio of described hypophosphite and alkene III is less than 1:2, is preferably 1:2.01 ~ 2.5.
Described reaction pressure is 0.5MPa ~ 6MPa, is preferably 0.6MPa ~ 2.5MPa.
Monoalkyl/dialkylphosphinic salts that above-mentioned preparation method obtains is separated from mixture by filtration or centrifugal treating.
The invention also discloses a kind of monoalkyl/dialkylphosphinic salts prepared by above-mentioned preparation method, there is following structure formula I,
Wherein, R
1, R
2identical or different, be expressed as H, ethyl, propyl group, butyl, amyl group, cyclopentyl, cyclohexyl or octyl group, condition is for both can not be H simultaneously;
M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr or Sr;
M is 2 ~ 4.
The invention also discloses the purposes that monoalkyl/dialkylphosphinic salts that above-mentioned preparation method obtains is used as fire retardant.
The invention also discloses a kind of flame-proofed polymer material prepared by monoalkyl/dialkylphosphinic salts that above-mentioned preparation method obtains, comprise 5 ~ 20wt% monoalkyl/dialkylphosphinic salts, 50 ~ 70wt% polymkeric substance or its mixture, 0 ~ 30wt% glass fibre, other auxiliary agents of 0 ~ 5wt%; Wherein, monoalkyl/dialkylphosphinic salts has following structure formula I,
Wherein, R
1, R
2identical or different, be expressed as H, ethyl, propyl group, butyl, amyl group, cyclopentyl, cyclohexyl or octyl group, condition is for both can not be H simultaneously;
M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr or Sr;
M is 2 ~ 4; Described polymer materials can be PBT, PET, PC, PA, PS etc.
The present invention compared with prior art, has following beneficial effect:
1) the present invention directly with target hypophosphite for raw material reacts, single stage method obtains corresponding monoalkylphosphinic acid salt and dialkylphosphinic salts flame retardant products.
2) reaction time of the present invention is extremely short, the shortlyest can obtain monoalkylphosphinic acid salt product at 3 ~ 5 hours, the shortlyest can obtain dialkylphosphinic salts product at 8 ~ 9 hours.
3) the present invention prepares the monoalkylphosphinic acid salt of gained, and productive rate is the highest can close to 95%; Simultaneously dialkylphosphinic salts productive rate is high, the highest can close to 97%.
4) present invention process flow process is simple; Organic solvent-free or other solvents, without any need for aftertreatment; After product salify, other salts contgs are few, are easy to washing.
Embodiment
Further illustrate the present invention below by embodiment, following examples are the present invention's preferably embodiment, but embodiments of the present invention are not by the restriction of following embodiment.
Wherein, in embodiment, products obtained therefrom productive rate all calculates by following formula:
Calculation of yield formula:
Wherein, w is productive rate, and m is product gained quality, and n is hypophosphite mole number, and M is molecular weight product.
embodiment 1: the structure of ethylphosphinic acid aluminium and preparation thereof
By hypo-aluminum orthophosphate 444.0g(2mol), 1500mL water and 10.0g(0.044mol) ammonium persulphate adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into 5.0g(0.022mol with volume pump) solution that is mixed with of ammonium persulphate and 25mL water, 1 hour is incubated again at 75 DEG C, cooling emptying, by the ethylphosphinic acid aluminium-water mixed system 2156.2g obtained, being equivalent to ethylene absorption amount is that 172.2g(is equivalent to 102.5% of theoretical amount),
Gained ethylphosphinic acid aluminium-water mixed system is heated to 95 DEG C of filtrations, washs 1 time with 95 DEG C of hot water 1000mL, and solid vacuum-drying at 130 DEG C obtains ethylphosphinic acid aluminium in 5 hours: 576.4g, productive rate 94.18%, and wherein, the structural formula of ethylphosphinic acid aluminium is:
31p-NMR analyzes (in sample vitriolization):
Ethylphosphinic acid mol content: 96.3%
Diethyl phospho acid mol content: 2.5%
Other mol content: 1.2%.
embodiment 2: the structure of aluminum diethylphosphinate and preparation thereof
By hypo-aluminum orthophosphate 444g(2mol), 1500mL water and 10.0g(0.044mol) ammonium persulphate adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4 hours, be evenly warming up to 75 DEG C and squeeze into 5.0g(0.022mol continuously with volume pump) solution that is mixed with of ammonium persulphate and 25mL water; After 4.5 hours, be heated to 95 DEG C, in 4 hours, be evenly warming up to 110 DEG C and squeeze into volume pump the solution that 15.0g ammonium persulphate and 75mL water is mixed with continuously, 1 hour is incubated again at 110 DEG C, cooling emptying, the aluminum diethylphosphinate obtained-water mixed system 2416g, be equivalent to that ethylene absorption amount is 342.0g(theoretical amount 101.8%).
Gained aluminum diethylphosphinate-water mixed system filters, and with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains aluminum diethylphosphinate in 5 hours: 752.8g, productive rate 96.51%, and wherein, the structural formula of aluminum diethylphosphinate is:
31p-NMR analyzes (in sample vitriolization):
Diethyl phospho acid mol content: 97.3%
Ethylphosphinic acid mol content: 2.0%
Ethyl-butyl Hypophosporous Acid, 50 mol content: 0.3%
Other mol content: 0.4%.
embodiment 3: the structure of aluminum diethylphosphinate and preparation thereof
By hypo-aluminum orthophosphate 444.0g(2.00mol), 1500mL water adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 95 DEG C, in 11 hours, even volume pump squeezes into 20.0g(0.088mol ammonium persulphate) solution that is mixed with 100mL water, and be evenly warming up to 110 DEG C, 1 hour is incubated again at 110 DEG C, cooling emptying, the aluminum diethylphosphinate obtained-water mixed system 2417.2g, be equivalent to that ethylene absorption amount is 343.2g(theoretical amount 102.1%),
Gained aluminum diethylphosphinate-water mixed system filters, and with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains aluminum diethylphosphinate in 5 hours: 756.1g, productive rate 96.93%, and wherein, the structural formula of aluminum diethylphosphinate is:
31p-NMR analyzes (in sample vitriolization):
Diethyl phospho acid mol content: 94.1%
Ethylphosphinic acid mol content: 0.4%
Ethyl-butyl Hypophosporous Acid, 50 mol content: 5.0%
Other mol content: 0.5%.
embodiment 4: the structure of ethyl-butyl phospho acid aluminium and preparation thereof
By hypo-aluminum orthophosphate 444.0g(2.00mol), 1500mL water and 10.0g(0.044mol) ammonium persulphate adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into 5.0g(0.022mol with volume pump) solution that is mixed with of ammonium persulphate and 25mL water, 1 hour is incubated again at 75 DEG C, cooling emptying, namely ethylphosphinic acid aluminium-water mixed system 2156.4g is obtained, be equivalent to that ethylene absorption amount is 172.4g(theoretical amount 102.6%),
Be heated to 105 DEG C, in high-pressure reactor, be filled with n-butene be about 350g, in 4h, even volume pump squeezes into 10g(0.044mol) solution that is mixed with of ammonium persulphate and 50mL water, after 110 DEG C insulation 2 hours, be cooled to 50 DEG C of emptying, the mixed system 2555.3g obtained, be equivalent to that n-butene absorbed dose is 338.9g(theoretical amount 100.9%);
Gained mixed system filters, and with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains ethyl-butyl phospho acid aluminium for 5 hours: 918.9g, productive rate 96.93%, and wherein, the structural formula of ethyl-butyl phospho acid aluminium is:
31p-NMR analyzes (in sample vitriolization):
Ethyl-butyl phospho acid mol content: 96.2%
Diethyl phospho acid mol content: 2.3%
Ethylphosphinic acid mol content: 0.7%
Other mol content: 0.8%.
embodiment 5: the structure of butyl phospho acid iron and preparation thereof
By ferric hypophosphite 502.0g(2.00mol), 1500mL water and 10g(0.041mol) dibenzoyl peroxide adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after n-butene 360g is filled with, by nitrogen pressurization to 2.5MPa, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into 5g(0.021mol with volume pump) solution that is mixed with of dibenzoyl peroxide and 30mL toluene, 1 hour is incubated again at 75 DEG C, cooling emptying, the mixed system obtained is heated to 95 DEG C of filtrations, 1 time is washed with 95 DEG C of hot water 1000mL, solid vacuum-drying at 130 DEG C obtains butyl phospho acid iron for 5 hours: 757.8g, productive rate 89.79%, wherein, the structural formula of butyl phospho acid iron is:
31p-NMR analyzes (in sample vitriolization):
Butyl phospho acid mol content: 95.6%
Dibutyl phospho acid mol content: 4.1%
Other mol content: 1.3%.
embodiment 6: the structure of dibutyl phospho acid iron and preparation thereof
By ferric hypophosphite 502.0g(2.00mol), 1500mL water adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after n-butene 700g is filled with, by nitrogen pressurization to 2.5MPa, be heated to 95 DEG C, in 7 hours, even volume pump squeezes into 20.0g(0.85mol) solution that is mixed with of Sodium Persulfate and 100mL water, and be evenly warming up to 110 DEG C, 1 hour is incubated again at 110 DEG C, cooling emptying, the mixed system obtained is filtered, with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains dibutyl phospho acid iron for 5 hours: 1072.3g, productive rate 90.87%, wherein, the structural formula of dibutyl phospho acid iron is:
31p-NMR analyzes (in sample vitriolization):
Dibutyl phospho acid mol content: 97.4%
Butyl phospho acid mol content: 1.6%
Other mol content: 1.0%.
embodiment 7: the structure of n-propyl phospho acid magnesium and preparation thereof
By magnesium hypophosphite 465.0g(3.00mol), 1500mL water and 12.0g(0.044mol) Potassium Persulphate adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after propylene be adjusted to 1.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into 5.0g(0.022mol with volume pump) solution that is mixed with of Potassium Persulphate and 25mL water, 1 hour is incubated again at 75 DEG C, cooling emptying, the mixed system 2261.3g obtained, being equivalent to absorb propylene amount is 100.9% of 254.3g(theoretical amount);
Gained mixed system is heated to 95 DEG C of filtrations, washs 1 time with 95 DEG C of hot water 1000mL, and solid vacuum-drying at 130 DEG C obtains n-propyl phospho acid magnesium for 5 hours: 571.0g, productive rate 79.37%, and wherein, the structural formula of n-propyl phospho acid magnesium is:
31p-NMR analyzes (in sample vitriolization):
N-propyl phospho acid mol content: 95.7%
Dipropyl phospho acid mol content: 2.4%
Other mol content: 1.9%.
embodiment 8: the structure of dipropyl phospho acid magnesium and preparation thereof
Magnesium hypophosphite 465.0g (3.00mol), 1500mL water are added in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after propylene be adjusted to 1.5MPa by voltate regulator and be filled with, be heated to 95 DEG C, in 7 hours, even volume pump squeezes into 13.0g(0.089mol) ditertiary butyl peroxide, and be evenly warming up to 110 DEG C, 1 hour is incubated again at 110 DEG C, cooling emptying, obtain mixed system 2490.3g, being equivalent to absorb propylene amount is 101.6% of 512.3g(theoretical amount);
Gained mixed system filters, and with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains dipropyl phospho acid magnesium for 5 hours: 894.2g, productive rate 92.00%, and wherein the structural formula of dipropyl phospho acid magnesium is:
31p-NMR analyzes (in sample vitriolization):
Dipropyl phospho acid mol content: 94.9%
Propylphosphinic acid mol content: 3.5%
Other mol content: 1.6%.
embodiment 9: the structure of ethylphosphinic acid calcium and preparation thereof
By calcium propionate 510.0g(3.00mol), 1500mL water and 10.0g, 0.044mol ammonium persulphate adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into 5.0g with volume pump, the solution that 0.022mol ammonium persulphate and 25mL water are mixed with, 1 hour is incubated again at 75 DEG C, cooling emptying, obtains mixed system 2222.0g, and the amount being equivalent to absorb ethene is 102.4% of 172.0(theoretical amount);
Gained mixed system is heated to 95 DEG C of filtrations, washs 1 time with 95 DEG C of hot water 1000mL, and solid vacuum-drying at 130 DEG C obtains ethylphosphinic acid calcium in 5 hours: 430.0g, productive rate 63.42%, and wherein, the structural formula of ethylphosphinic acid calcium is:
31p-NMR analyzes (in sample vitriolization):
Ethylphosphinic acid mol content: 91.5%
Diethyl phospho acid mol content: 6.2%
Other mol content: 2.3%.
embodiment 10: the structure of diethyl phospho acid calcium and preparation thereof
By calcium propionate 510g(3mol), 1500mL water adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 95 DEG C, in 7 hours, even volume pump squeezes into 20.0g, the solution that 0.088mol ammonium persulphate and 100mL water are mixed with, and be evenly warming up to 110 DEG C, 1 hour is incubated again at 110 DEG C, cooling emptying, obtains mixed system 2473.4g, and be equivalent to that ethylene absorption amount is 343.4g(theoretical amount 102.2%);
Gained mixed system filters, and with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains diethyl phospho acid calcium for 5 hours: 650.5g, productive rate 76.89%, and wherein, the structural formula of diethyl phospho acid calcium is:
31p-NMR analyzes (in sample vitriolization):
Diethyl phospho acid mol content: 97.4%
Ethylphosphinic acid mol content: 1.4%
Other mol content: 1.2%
embodiment 11: the structure of ethylphosphinic acid zinc and preparation thereof
By zinc hypophosphite 585g(3mol), 1500mL water and 7.7g, the 0.044mol peroxidation trimethylacetic acid tert-butyl ester adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 72 DEG C, in 4h, be evenly warming up to 75 DEG C and squeeze into volume pump the solution that the 3.8g peroxidation trimethylacetic acid tert-butyl ester and 25mL ethanol is mixed with, 1 hour is incubated again at 75 DEG C, cooling emptying, obtain mixed system 2291.6, be equivalent to that ethylene absorption amount is 175.1g(theoretical amount 104.2%);
Gained mixed system is heated to 95 DEG C of filtrations, washs 1 time with 95 DEG C of hot water 1000mL, and solid vacuum-drying at 130 DEG C obtains ethylphosphinic acid zinc in 5 hours: 689.3g, productive rate 90.70%, and wherein, the structural formula of ethylphosphinic acid zinc is:
31p-NMR analyzes (in sample vitriolization):
Ethylphosphinic acid mol content: 96.5%
Diethyl phospho acid mol content: 2.3%
Other mol content: 1.2%.
embodiment 12: the structural formula of diethyl phospho acid zinc and preparation thereof
By zinc hypophosphite 585g(3mol), 1500mL water adds in high-pressure reactor, airtight, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, be heated to 95 DEG C, in 7 hours, even volume pump squeezes into 15.3g, the solution that the 0.088mol peroxidation trimethylacetic acid tert-butyl ester and 100mL ethanol are mixed with, and be evenly warming up to 110 DEG C, 1 hour is incubated again at 110 DEG C, cooling emptying, obtains mixed system 2448.4g, and be equivalent to that ethylene absorption amount is 348.1g(theoretical amount 103.6%);
Filter, with 1000mL water washing 1 time, solid vacuum-drying at 130 DEG C obtains diethyl zinc hypophosphite in 5 hours: 848.4g, productive rate 92.12%, and wherein, the structural formula of diethyl phospho acid zinc is:
31p-NMR analyzes (in sample vitriolization):
Diethyl phospho acid mol content: 97.2%
Ethylphosphinic acid mol content: 1.5%
Other mol content: 1.3%.
comparative example 1
Get 360.6g50wt% Hypophosporous Acid, 50 (2.732mol) and 4.7g(0.027mol, 1.0%mol) the peroxidation trimethylacetic acid tert-butyl ester adds in autoclave together, enclosed high pressure still, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, under agitation be heated to 72 DEG C, evenly 9.4g(0.054mol is added in 14h, 2.0%mol) the peroxidation trimethylacetic acid tert-butyl ester, and be evenly warming up to 85 DEG C, by this reactor cooling also emptying, obtain product water solution 508.9g;
31p-NMR analyzes
Diethyl phospho acid mol content: 74.1%
Ethylphosphinic acid mol content: 23.8%
Other mol content: 2.1%
300g water and high density alkyl phosphinic acid 557.9g obtained above are added in reactor and stirs, obtain with the neutralization of 30%wt aqueous sodium hydroxide solution, post-heating to 95 DEG C, by 303.3g(0.455mol) Tai-Ace S 150 to be dissolved in the 700mL aqueous solution and to instill in 1 hour, being incubated 1 hour, being cooled to room temperature after dripping off at 90 ~ 95 DEG C, gained solid is leached, and with 700mL water washing three times, be dried to constant weight at 150 DEG C, obtain 295.7g alkyl phosphinic acid aluminium.
comparative example 2
Get 289.6g mono-hydration sodium hypophosphite (2.732mol), 500g acetic acid and 4.4g(0.027mol, 1.0%mol) Diisopropyl azodicarboxylate adds in autoclave together, enclosed high pressure still, nitrogen (0.5MPa) is under agitation used to replace 5 times, after ethene be adjusted to 2.5MPa by voltate regulator and be filled with, under agitation be heated to 75 DEG C, evenly 6.7(0.041mol is added in 10 hours, 1.5%mol) Diisopropyl azodicarboxylate, and be evenly warming up to 85 DEG C, by this reactor cooling also emptying, obtain solution 926.3g, 130 DEG C of underpressure distillation 2 hours, obtain 453.1g dope,
31p-NMR analyzes (in sample vitriolization):
Diethyl phospho acid mol content: 91.3%
Ethyl-butyl phospho acid mol content: 2.1%
Ethylphosphinic acid mol content: 3.1%
Other mol content: 3.5%
To be dissolved in the 750mL water of 80 DEG C with 453.1g dope obtained above and add in reactor, be heated with stirring to 95 DEG C, by 303.3g(0.455mol) Tai-Ace S 150 to be dissolved in the 700mL aqueous solution and to instill in 1 hour, at 90 ~ 95 DEG C, be incubated 1 hour after dripping off, be cooled to room temperature, gained solid is leached, and with 700mL water washing three times, be dried to constant weight at 150 DEG C, obtain 338.9g white powder, overall yield 95.41%.
Monoalkyl/the dialkylphosphinic salts of embodiment 1 ~ 12 and comparative example 1 ~ 2 gained is mixed by weight 10:60:25:5 with PBT, glass, auxiliary agent at 230 ~ 260 DEG C, extrude from Bitruder, obtained flame-proofed thermoplastic polymer in-mold moulding material, its combustionproperty and mechanical property are tested in sample preparation, record result and see table 1:
The moulding material combustionproperty that table 1 monoalkyl/dialkylphosphinic salts is obtained and mechanical property parameters table
Each performance test is undertaken by following standard:
Tensile strength: GB1040-1992 plastic tensile method for testing performance;
Flexural strength: GB9341-2000 Plastics-Oetermination of flexural properties method;
Amount of deflection: GB9341-2000 Plastics-Oetermination of flexural properties method;
Combustionproperty: UL94 Plastics Combustion performance test;
From upper table 1, the moulding material that monoalkyl/dialkylphosphinic salts prepared by preparation method of the present invention obtains stretches, bending and superior flame retardant property, is applicable to make polymer in-mold moulding material.
Claims (9)
1. a preparation method for monoalkyl/dialkylphosphinic salts, is characterized in that, comprises the steps:
Take water as reaction medium, hypophosphite is reacted with alkene I under initiator I effect at temperature is 70 ~ 90 DEG C, obtains monoalkylphosphinic acid salt;
Or, take water as reaction medium, hypophosphite is reacted with alkene I under initiator I effect at temperature is 70 ~ 90 DEG C, obtains monoalkylphosphinic acid salt; Be heated to 90 ~ 110 DEG C, the monoalkylphosphinic acid salt obtained reacted with alkene II under initiator II effect, obtains dialkylphosphinic salts;
Or, take water as reaction medium, hypophosphite is reacted with alkene III under initiator III effect at temperature is 70 ~ 120 DEG C, obtains dialkylphosphinic salts;
Wherein, described hypophosphite is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Sr salt of Hypophosporous Acid, 50;
The mol ratio of described hypophosphite and alkene I is less than 1:1, and the mol ratio of described monoalkylphosphinic acid salt and alkene II is for being less than 1:1, and the mol ratio of described hypophosphite and alkene III is for being less than 1:2; The mass ratio of described hypophosphite and water is 1:1 ~ 50;
The pressure of described reaction is 0.5MPa ~ 6MPa;
Described initiator I, initiator II and initiator III are azo-initiator, organic peroxide evocating agent or inorganic peroxide initiator;
Described azo-initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile); Described organic peroxide evocating agent is perbenzoic acid, peroxylauric acid, ditertiary butyl peroxide, the special pentyl ester of peroxycarbonates, excessively oxalic acid, tert-butyl hydroperoxide isobutyrate, the peroxidation trimethylacetic acid tert-butyl ester or peroxidation; Described inorganic peroxide initiator is ammonium persulphate, Sodium Persulfate or Potassium Persulphate;
Described alkene I, alkene II and alkene III are identical or different, are the ɑ-alkene of naphthenic alkene or carbonatoms 2 ~ 20;
Described ɑ-alkene is selected from the mixture of one or more in ethene, propylene, butylene, iso-butylene or amylene; Described naphthenic alkene is cyclopentenes or tetrahydrobenzene.
2. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, described initiator I, initiator II are identical with initiator III.
3. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, described initiator I, initiator II are different with initiator III.
4. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, described initiator I, initiator II and initiator III are the 0.1mol% ~ 10mol% of hypophosphite.
5. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, the mol ratio 1:1. of described hypophosphite and alkene I
01 ~ 1.5; The mol ratio of described monoalkylphosphinic acid salt and alkene II is 1:1.
01 ~ 1.5; The mol ratio of described hypophosphite and alkene III is 1:2.
01 ~ 2.5.
6. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, the mass ratio of described hypophosphite and water is 1:2 ~ 10.
7. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 6, is characterized in that, the mass ratio of described hypophosphite and water is 1:2.5 ~ 5.
8. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, the pressure of described reaction is 0.6MPa ~ 2.5MPa.
9. the preparation method of monoalkyl/dialkylphosphinic salts according to claim 1, is characterized in that, the monoalkyl/dialkylphosphinic salts obtained is separated from mixture by filtration or centrifugal treating.
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| EP3127911B1 (en) | 2014-04-01 | 2019-06-05 | Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences | Preparation process of dialkyl phosphinate |
| CN104119377B (en) * | 2014-04-01 | 2016-08-17 | 中国科学院宁波材料技术与工程研究所 | The preparation technology of dialkylphosphinic salts and product |
| CN106279268A (en) * | 2015-06-12 | 2017-01-04 | 中国科学院宁波材料技术与工程研究所 | The preparation method and applications of dialkyl phosphinic acid compounds |
| CN105646573A (en) * | 2016-02-29 | 2016-06-08 | 欣格瑞（山东）环境科技有限公司 | Preparation method of environment-friendly aluminum dicyclopentylphosphinate flame retardant |
| DE102016213282A1 (en) | 2016-07-20 | 2018-01-25 | Clariant Plastics & Coatings Ltd | Flame retardant mixtures, their preparation and their use |
| DE102016213280B4 (en) | 2016-07-20 | 2024-03-07 | Clariant International Ltd | Diorganylphosphinic acid salts, a process for their preparation and their use |
| DE102017212098A1 (en) * | 2017-07-14 | 2019-01-17 | Clariant Plastics & Coatings Ltd | Flame retardant polyamide compositions with high heat resistance and their use |
| KR20200062336A (en) | 2017-10-17 | 2020-06-03 | 셀라니즈 세일즈 저머니 게엠베하 | Flame retardant polyamide composition |
| CN110407869B (en) * | 2019-07-11 | 2020-11-17 | 兰州大学 | Preparation method and application of aluminum mono-trifluoropropylphosphinate flame retardant |
| CN110511242A (en) * | 2019-08-21 | 2019-11-29 | 贵州省材料产业技术研究院 | A kind of preparation method of high-purity monoalkylphosphinic acids |
| EP4393928A1 (en) * | 2022-04-19 | 2024-07-03 | Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences | Hybridized dialkyl phosphinate salt, method for preparing same, and use thereof |
| WO2024060020A1 (en) * | 2022-09-20 | 2024-03-28 | 中国科学院宁波材料技术与工程研究所 | Dialkyl phosphinic acid hybrid salt, preparation method therefor, and use thereof |
| CN117534702B (en) * | 2024-01-10 | 2024-04-05 | 太仓维龙化工有限公司 | Dialkyl-monoalkyl composite phosphinate and rapid preparation method thereof |
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| CN1280583A (en) * | 1997-11-28 | 2001-01-17 | 科莱恩有限公司 | Method for producing salts of dialkylphosphinic acids |
| CN1280582A (en) * | 1997-11-28 | 2001-01-17 | 科莱恩有限公司 | Method for producing salts of dialkylphosphinic acid |
| CN1660858A (en) * | 2003-12-19 | 2005-08-31 | 科莱恩有限公司 | Process for preparation of dialkylphosphinic salts |
| CN1660857A (en) * | 2003-12-19 | 2005-08-31 | 科莱恩有限公司 | Salts of dialkylphosphinic acids |
-
2013
- 2013-03-04 CN CN201310068664.7A patent/CN103172670B/en not_active Expired - Fee Related
- 2013-05-16 WO PCT/CN2013/075748 patent/WO2014134875A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280583A (en) * | 1997-11-28 | 2001-01-17 | 科莱恩有限公司 | Method for producing salts of dialkylphosphinic acids |
| CN1280582A (en) * | 1997-11-28 | 2001-01-17 | 科莱恩有限公司 | Method for producing salts of dialkylphosphinic acid |
| CN1660858A (en) * | 2003-12-19 | 2005-08-31 | 科莱恩有限公司 | Process for preparation of dialkylphosphinic salts |
| CN1660857A (en) * | 2003-12-19 | 2005-08-31 | 科莱恩有限公司 | Salts of dialkylphosphinic acids |
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| WO2014134875A1 (en) | 2014-09-12 |
| CN103172670A (en) | 2013-06-26 |
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