CN105418676B - 芳溴有机膦酸酯化合物的制备方法 - Google Patents
芳溴有机膦酸酯化合物的制备方法 Download PDFInfo
- Publication number
- CN105418676B CN105418676B CN201610036768.3A CN201610036768A CN105418676B CN 105418676 B CN105418676 B CN 105418676B CN 201610036768 A CN201610036768 A CN 201610036768A CN 105418676 B CN105418676 B CN 105418676B
- Authority
- CN
- China
- Prior art keywords
- tribromphenol
- preparation
- bromine
- added
- organophosphonate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052794 bromium Inorganic materials 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- OUCSIUCEQVCDEL-UHFFFAOYSA-N 2,3,4-tribromophenol Chemical compound OC1=CC=C(Br)C(Br)=C1Br OUCSIUCEQVCDEL-UHFFFAOYSA-N 0.000 claims abstract description 21
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 17
- 125000005499 phosphonyl group Chemical group 0.000 claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 15
- 238000010792 warming Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 239000012265 solid product Substances 0.000 claims description 7
- 238000005292 vacuum distillation Methods 0.000 claims description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical class CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 5
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 abstract description 20
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract description 13
- 239000011777 magnesium Substances 0.000 abstract description 13
- 229910052749 magnesium Inorganic materials 0.000 abstract description 13
- 229920000728 polyester Polymers 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 239000004743 Polypropylene Substances 0.000 abstract description 6
- -1 polypropylene Polymers 0.000 abstract description 6
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 3
- 229920001155 polypropylene Polymers 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000035484 reaction time Effects 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 238000004064 recycling Methods 0.000 description 9
- 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 7
- 238000000354 decomposition reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 230000002195 synergetic effect Effects 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000016261 weight loss Diseases 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 125000001340 2-chloroethyl group Chemical class [H]C([H])(Cl)C([H])([H])* 0.000 description 1
- QLZHNIAADXEJJP-UHFFFAOYSA-N Phenylphosphonic acid Chemical compound OP(O)(=O)C1=CC=CC=C1 QLZHNIAADXEJJP-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 1
- 150000001263 acyl chlorides Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum 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
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/40—Esters thereof
- C07F9/4071—Esters thereof the ester moiety containing a substituent or a structure which is considered as characteristic
- C07F9/4084—Esters with hydroxyaryl compounds
-
- 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
- C08K5/5317—Phosphonic compounds, e.g. R—P(:O)(OR')2
- C08K5/5333—Esters of phosphonic acids
- C08K5/5337—Esters of phosphonic acids containing also halogens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明涉及一种芳溴有机膦酸酯化合物的制备方法,制备方法为:于有机溶剂中,苯基膦酰二氯与三溴苯酚在气相缚酸条件下反应或与三溴苯酚镁反应,经纯化处理,得白色固体芳溴有机膦酸酯。产品可用作聚酯PBT、聚酯PET、聚丙烯PP等材料的阻燃剂。本发明制备方法工艺简单,反应时间短,条件温和,反应选择性好,产率高,没有氯化氢污染,易分离提纯,不对设备产生腐蚀性,设备投资少,易于规模化生产。
Description
技术领域
本发明涉及一种芳溴有机膦酸酯化合物的制备方法,具体涉及一种苯基膦酸二(2,4,6-三溴苯基)酯化合物的制备方法。该化合物属磷、溴协同阻燃剂,适合用作聚酯PBT、聚酯PET、聚丙烯PP等材料的阻燃剂。
背景技术
易燃高分子材料的广泛应用,给人们的生命财产安全带来了严重的威胁,因而促进了阻燃科学技术的快速发展。但目前综合性价比优良的阻燃剂品种不能满足市场需求,人们总期望开发出新型高效、低毒,且价格低廉的阻燃剂。其中对多元素协同增效阻燃剂的开发已受到重视。
有机磷系阻燃剂热稳定性好,用途广泛,综合性价比优良,具有低烟无毒等优点,迎合了阻燃剂市场的发展需求,前景较好。而卤系阻燃剂虽然有所缺点,但是由于其阻燃效率高、适用范围广、价格适中且稳定性好,目前还难以找到卤系阻燃剂理想的替代品,人们总希望通过多种阻燃剂复配或设计分子内多阻燃元素产生协同增效作用,提高阻燃效能,以减少阻燃剂在材料中的加入量,降低燃烧时产生的危害,其研究更具有市场急需性。
本发明公开了一种阻燃剂芳溴有机膦酸酯化合物的制备方法,该化合物分解温度高,且分子中的芳环及多酯结构可以增加产物与基材的相容性,是一种综合性价比优良的阻燃剂。其制备方法能克服原制备方法存在诸如反应时间过长、温度过高、选择性差等缺点;且工艺简单,操作方便,设备投资少,环境友好,具有较好的应用开发前景。
发明内容
本发明的目的在于提出一种芳溴有机膦酸酯化合物的制备方法,其工艺简单、易于规模化生产,该方法为:
在装有搅拌器、温度计、高效回流冷凝管并在冷凝管上口接入一个可极度伸缩膨胀软密封套的反应瓶中,氮气置换掉空气,加入三溴苯酚、有机溶剂,搅拌下,加入一定摩尔比的苯基膦酰二氯,并向反应瓶中液面上持续通入氨气,以通入速度保持软密封套微涨体积不变,升温至40-60℃保温反应2-3h后,经纯化处理,得白色固体芳溴有机膦酸酯。
该方法还可为:
用氮气置换掉装有搅拌器、温度计、高效回流冷凝管的反应瓶中的空气,加入镁屑、甲醇,升温至40℃,搅拌至镁屑消失,加入镁屑2倍摩尔量的三溴苯酚,升温将甲醇蒸出,加入有机溶剂,升温至50℃,将一定摩尔比的苯基膦酰二氯滴入到反应体系中,在50-70℃反应4-6h后,经纯化处理,得白色固体芳溴有机膦酸酯。
如上所述的有机溶剂为二氯甲烷、二氯乙烷、二氧六环或氯仿,其用量体积毫升数是三溴苯酚的质量克数的3-8倍。
如上所述的纯化处理为减压蒸馏除去有机溶剂(回收使用)及少量低沸点物,加水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干。
如上所述的纯化处理还可为减压蒸馏除去有机溶剂(回收使用)及少量低沸点物,加入三溴苯酚的质量克数4-10倍体积毫升数的乙腈,加热至乙腈沸腾后趁热抽滤,滤液冷却结晶,过滤,干燥。
如上所述的一定摩尔比的苯基膦酰二氯为苯基膦酰二氯与三溴苯酚的摩尔比是1∶2-1∶2.5。
如上所述的甲醇为无水甲醇,其用量体积毫升数是三溴苯酚质量克数的3-5倍。
本发明的芳溴有机膦酸酯为白色粉末状固体,其熔点:172±2℃,分解温度:278±5℃;产率为88.5%-95.3%,其适合作为聚酯PBT、聚酯PET、聚丙烯PP等材料的阻燃剂之用。
芳溴有机膦酸酯的制备工艺原理如下式所示:
与现有技术相比,本发明的创新之处在于:
①本发明制备方法反应时间短,条件温和,反应选择性好,产率高,没有氯化氢污染,不对设备产生腐蚀性。
②本发明制备方法采用氨气相缚酸的方法,氨价廉无毒,与体系释放出的氯化氢在物料液面上反应生成氯化铵,能有效促进氯化氢的逸出,且氨不与酰氯反应,氯化铵与有机物不相溶,容易分离,且可以回收后作为植物的肥料使用。
③本发明制备方法采用三溴苯酚镁与苯基膦酰二氯反应,三溴苯酚镁自身有催化作用,三溴苯酚镁与苯基膦酰二氯有较好的互溶性,使得反应更加容易进行、反应更完全,且反应生成的MgCl2较易除去。
④本发明制备方法工艺简单,原料廉价易得,设备投资少,易于规模化生产。
附图说明
为了进一步说明产品的结构和性能特给出如下附图。
图1是芳溴有机膦酸酯的红外光谱图;图1表明:1061.5cm-1处为Ar-Br键的伸缩振动峰;1127.3cm-1处为P-O键的伸缩振动峰;1225.0cm-1处为P=O键的伸缩振动峰;1241.3cm-1处为Ar-O键的伸缩振动峰;1432.4cm-1处为苯环的骨架伸缩振动峰;3066.6cm-1处为苯环上C-H键的伸缩振动峰。
图2是芳溴有机膦酸酯的核磁光谱图;图2表明:氘代氯仿为溶剂,
δ3:8.10-8.22(q,2H);δ4:7.65-7.74(s,4H);δ1:7.61-7.65(t,1H);δ2:7.47-7.57(q,2H)。
图3是芳溴有机膦酸酯的热重谱图;图3表明:产物的熔点为172℃,278℃开始失重;失重率为5%时,温度为328℃;失重率为50%时,温度为377℃。
具体实施方式
以下结合具体实施例对本发明的技术方案作进一步说明。
实施例1在装有搅拌器、温度计、高效回流冷凝管并在冷凝管上口接有一个可极度伸缩膨胀软密封套的100mL四口烧瓶中,通氮气置换掉瓶内的空气,加入6.62g(0.020mol)三溴苯酚和30mL二氯甲烷,搅拌下,加入1.95g(0.01mol)苯基膦酰二氯,并向反应瓶中液面上持续通入氨气,以通入速度保持软密封套微涨体积不变,升温至40℃保温反应3h后,蒸馏除去二氯甲烷(回收使用)及少量低沸点物,之后加入乙腈50mL,加热至乙腈沸腾后趁热抽滤,滤液冷却结晶,得白色固体芳溴有机膦酸酯,收率为88.5%,熔点:172±2℃,分解温度:278±5℃。
实施例2在装有搅拌器、温度计、高效回流冷凝管并在冷凝管上口接有一个可极度伸缩膨胀软密封套的100mL四口烧瓶中,通氮气置换掉瓶内的空气,加入7.28g(0.022mol)三溴苯酚和30mL二氧六环,搅拌下,加入1.95g(0.01mol)苯基膦酰二氯,并向反应瓶中液面上持续通入氨气,以通入速度保持软密封套微涨体积不变,升温至55℃保温反应3h后,减压蒸馏除去二氧六环(回收使用)及少量低沸点物,加20mL水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,得白色固体芳溴有机膦酸酯,收率为91.0%,熔点:172±2℃,分解温度:278±5℃。
实施例3在装有搅拌器、温度计、高效回流冷凝管并在冷凝管上口接有一个可极度伸缩膨胀软密封套的100mL四口烧瓶中,通氮气置换掉瓶内的空气,加入7.61g(0.023mol)三溴苯酚和30mL氯仿,搅拌下,加入1.95g(0.01mol)苯基膦酰二氯,并向反应瓶中液面上持续通入氨气,以通入速度保持软密封套微涨体积不变,升温至55℃保温反应2h后,减压蒸馏除去氯仿(回收使用)及少量低沸点物,加20mL水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,得白色固体芳溴有机膦酸酯,收率为95.3%,熔点:172±2℃,分解温度:278±5℃。
实施例4氮气保护下,在有搅拌器、温度计、高效回流冷凝管的100mL四口烧瓶中,加入0.252g(0.0105mol)镁屑、30mL无水甲醇,升温至40℃,搅拌至镁屑消失,加入6.95g(0.021mol)三溴苯酚,搅拌升温将甲醇蒸出,加入30mL二氯乙烷,升温至50℃,在1h内将1.95g(0.01mol)苯基膦酰二氯滴入到反应体系中,50℃保温反应6h后,减压蒸馏除去二氯乙烷(回收使用)及少量低沸点物,加20mL水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,得白色固体芳溴有机膦酸酯,收率为92.4%,熔点:172±2℃,分解温度:278±5℃。
实施例5氮气保护下,在有搅拌器、温度计、高效回流冷凝管的100mL四口烧瓶中,加入0.29g(0.012mol)镁屑、30mL无水甲醇,升温至40℃,搅拌至镁屑消失,加入7.94g(0.024mol)三溴苯酚,搅拌升温将甲醇蒸出,加入30mL二氧六环,升温至50℃,在1h内将1.95g(0.01mol)苯基膦酰二氯滴入到反应体系中,升温至60℃反应5h后,减压蒸馏除去二氧六环(回收使用)及少量低沸点物,加20mL水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,得白色固体芳溴有机膦酸酯,收率为92.9%,熔点:172±2℃,分解温度:278±5℃。
实施例6氮气保护下,在有搅拌器、温度计、高效回流冷凝管的100mL四口烧瓶中,加入0.30g(0.0125mol)镁屑、30mL无水甲醇,升温至40℃,搅拌至镁屑消失,加入8.27g(0.025mol)三溴苯酚,搅拌升温将甲醇蒸出,加入30mL二氯乙烷,升温至50℃,在1h内将1.95g(0.01mol)苯基膦酰二氯滴入到反应体系中,升温至70℃反应4h后,减压蒸馏除去二氯乙烷(回收使用)及少量低沸点物,加20mL水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,得白色固体芳溴有机膦酸酯,收率为93.2%,熔点:172±2℃,分解温度:278±5℃。
表1制备例主要工艺参数
本案发明人还将上述制备的芳溴有机膦酸酯应用于聚酯PBT中。参照:GB/T2406-2008《塑料燃烧性能试验方法-氧指数法》测样品的极限氧指数。取产物磷卤协同阻燃剂芳溴有机膦酸酯、协效阻燃剂三氧化二锑和PBT以不同比例混合均匀后,用挤出机挤出,制成直径为3mm的样条,并对其阻燃性能进行了测试,部分试验结果如表2所示:
表2芳溴有机膦酸酯用于PBT的阻燃性能数据
表2表明芳溴有机膦酸酯用于PBT,当添加量20%时,极限氧指数可达29%,说明其有较好的阻燃性能。
Claims (2)
1.一种芳溴有机膦酸酯化合物的制备方法,其特征在于,该方法为:
在装有搅拌器、温度计、高效回流冷凝管并在冷凝管上口接入一个可极度伸缩膨胀软密封套的反应瓶中,氮气置换掉空气,加入三溴苯酚、有机溶剂,搅拌下,加入苯基膦酰二氯,控制苯基膦酰二氯与三溴苯酚的摩尔比是1∶2-1∶2.5,并向反应瓶中液面上持续通入氨气,以通入速率保持软密封套微涨体积不变,升温至40-60℃保温反应2-3h,减压蒸馏除去有机溶剂及少量低沸点物后,加水搅拌洗涤,使固体产品分散于水中,抽滤,淋洗,烘干,或加入三溴苯酚质量克数4-10倍体积毫升数的乙腈,加热至沸腾趁热抽滤,滤液冷却结晶,过滤,干燥,得白色固体芳溴有机膦酸酯。
2.如权利要求1所述一种芳溴有机膦酸酯化合物的制备方法,其特征在于:所述有机溶剂为二氯甲烷、二氯乙烷、二氧六环或氯仿,其用量体积毫升数是三溴苯酚的质量克数的3-8倍。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610036768.3A CN105418676B (zh) | 2016-01-19 | 2016-01-19 | 芳溴有机膦酸酯化合物的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610036768.3A CN105418676B (zh) | 2016-01-19 | 2016-01-19 | 芳溴有机膦酸酯化合物的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105418676A CN105418676A (zh) | 2016-03-23 |
CN105418676B true CN105418676B (zh) | 2018-07-31 |
Family
ID=55497269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610036768.3A Active CN105418676B (zh) | 2016-01-19 | 2016-01-19 | 芳溴有机膦酸酯化合物的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105418676B (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1900085A (zh) * | 2006-07-21 | 2007-01-24 | 申厚宝 | 亚磷酸三甲酯生产工艺 |
CN103374028A (zh) * | 2012-04-18 | 2013-10-30 | 江苏大明科技有限公司 | 一种磷酸三乙酯的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5269958A (en) * | 1975-12-09 | 1977-06-10 | Kanebo Ltd | Polyester composition |
-
2016
- 2016-01-19 CN CN201610036768.3A patent/CN105418676B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1900085A (zh) * | 2006-07-21 | 2007-01-24 | 申厚宝 | 亚磷酸三甲酯生产工艺 |
CN103374028A (zh) * | 2012-04-18 | 2013-10-30 | 江苏大明科技有限公司 | 一种磷酸三乙酯的制备方法 |
Non-Patent Citations (2)
Title |
---|
Direct Conversion of Phosphonates to Phosphine Oxides: An Improved Synthetic Route to Phosphines Including the First Synthesis of Methyl JohnPhos;Alexander J. Kendall等;《Organometallics》;20141022;第33卷;第6171-6178页,Supporting Information * |
Synthesizing of salicylealdehyde using magnesium phenoxide and its mass analyzing characterization;Mandana Nejati Bor Bor等;《Chemical Technology: An Indian Journal》;20131231;第8卷;第36-40页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105418676A (zh) | 2016-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105733024B (zh) | 一种含磷氮硫元素的阻燃剂及其制备方法 | |
CN103992351B (zh) | 二甲基硅二氧基双笼环磷酸酯的制备方法 | |
CN102391545A (zh) | 含氮磷的阻燃剂及其制备方法与应用 | |
CN105440308A (zh) | 一种高磷氮含量阻燃剂及其制备方法 | |
CN105713042B (zh) | 苯基膦酸双pepa酯化合物的制备方法 | |
CN104004023A (zh) | 甲基硅三氧基三笼环磷酸酯的制备方法 | |
JP5705278B2 (ja) | 電子機器用難燃性合成樹脂組成物 | |
CN106478986B (zh) | 一种环保型阻燃剂及其制备方法和应用 | |
CN105295093A (zh) | 一种环磷腈类添加型阻燃剂及其制备方法 | |
CN102875816B (zh) | 有机硅改性无卤膨胀型阻燃剂及其制备方法 | |
CN105503948B (zh) | 苯基硫代膦酸二(四溴双酚a)酯化合物及其制备方法 | |
CN104017025B (zh) | 阻燃成炭剂硅酸四笼环pepa酯化合物及其制备方法 | |
CN105566386B (zh) | 苯基硫代膦酸二(三溴苯基)酯化合物及其制备方法 | |
CN101967162B (zh) | 一种含P、N、S、Br四元素协同型阻燃化合物及其制备方法 | |
CN105418676B (zh) | 芳溴有机膦酸酯化合物的制备方法 | |
CN106397832A (zh) | 一种螺环‑硫代双环磷酸酯无卤阻燃剂及其制备方法 | |
CN105566385B (zh) | 四溴双酚a有机膦酸酯化合物的制备方法 | |
CN101638421B (zh) | 一种邻苯二胺磷酰氯缩季戊四醇酯的制备方法 | |
CN104004024A (zh) | 四笼环磷酸酯硅氧烷阻燃成炭剂的制备方法 | |
CN107090100B (zh) | 一种环保磷-氮单组份膨胀型阻燃剂及其制备方法 | |
CN103524545B (zh) | 阻燃剂赛克三硅酸氯丙酯化合物及其制备方法 | |
CN104710459B (zh) | 阻燃剂二甲基硅酸季戊四醇酯化合物及其制备方法 | |
CN102174057B (zh) | 有机硅阻燃成炭剂及其制备方法 | |
CN104558039B (zh) | 一种磷氮膨胀型阻燃剂及其制备方法 | |
CN104004020B (zh) | 笼状阻燃成炭剂三甲基硅酸pepa酯化合物及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: 215009, CREE campus, 1 hi tech Zone, Suzhou, Jiangsu Province, Suzhou University of science and technology Applicant after: Suzhou University of Science and Technology Address before: 215009 Suzhou City, Jiangsu province high tech Zone CREE Road, No. 1 Applicant before: University of Science and Technology of Suzhou |
|
CB02 | Change of applicant information | ||
GR01 | Patent grant | ||
GR01 | Patent grant |