CN1066704C - 高纯度双酚a的连续制备方法 - Google Patents
高纯度双酚a的连续制备方法 Download PDFInfo
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- CN1066704C CN1066704C CN95100684A CN95100684A CN1066704C CN 1066704 C CN1066704 C CN 1066704C CN 95100684 A CN95100684 A CN 95100684A CN 95100684 A CN95100684 A CN 95100684A CN 1066704 C CN1066704 C CN 1066704C
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- phenol
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- dihydroxyphenyl propane
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- 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 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000010924 continuous production Methods 0.000 title 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000002425 crystallisation Methods 0.000 claims abstract description 19
- MNAHQWDCXOHBHK-UHFFFAOYSA-N 1-phenylpropane-1,1-diol Chemical compound CCC(O)(O)C1=CC=CC=C1 MNAHQWDCXOHBHK-UHFFFAOYSA-N 0.000 claims description 21
- 230000008025 crystallization Effects 0.000 claims description 16
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 9
- ZLDADNIBRBDHQW-UHFFFAOYSA-N 4-propylcyclohexa-1,5-diene-1,4-diol Chemical class C(CC)C1(O)CC=C(O)C=C1 ZLDADNIBRBDHQW-UHFFFAOYSA-N 0.000 claims description 5
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 3
- 239000003456 ion exchange resin Substances 0.000 claims description 3
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- OGYGFUAIIOPWQD-UHFFFAOYSA-N 1,3-thiazolidine Chemical compound C1CSCN1 OGYGFUAIIOPWQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- 150000003566 thiocarboxylic acids Chemical class 0.000 claims description 2
- RSPCKAHMRANGJZ-UHFFFAOYSA-N thiohydroxylamine Chemical compound SN RSPCKAHMRANGJZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000013078 crystal Substances 0.000 description 25
- 239000002002 slurry Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 12
- 238000001914 filtration Methods 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- SOZKEUZZWAEDHY-UHFFFAOYSA-N C1(=CC=CC=C1)O.OC(CC)(C1=CC=CC=C1)O Chemical compound C1(=CC=CC=C1)O.OC(CC)(C1=CC=CC=C1)O SOZKEUZZWAEDHY-UHFFFAOYSA-N 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明提供通过双酚A/苯酚加合物结晶这种特别的过程结晶来生产高纯度双酚A的方法。
Description
本发明涉及含有少于0.2%(重量)杂质的高纯度双酚A(BPA)的制备方法。按此方法生产的热和色稳定的双酚A改进了由其制得的聚合物例如聚碳酸酯的热变色稳定性。
高纯度双酚A的制备方法是已知的(例如DE-A4213872)。该文件叙述了使双酚A纯度达99.91%(重量)的方法,然而其黑曾色值(Hazen colour value)仍有待提高。
现已发现可工业规模地生产高纯度且黑曾色值良好的双酚A。这种高纯度p,p-双酚A终产物几乎完全是由BPA/苯酚加工中结晶加合物来决定的。
因而本发明提供从反应溶液中回收纯度为99.75%至>99.94%(重量)、黑曾色值为5-10的双酚A的方法,所述反应溶液是在可选地用巯基胺和/或噻唑烷和/或硫代羧酸改性的磺酸离子交换树脂存在下,由丙酮和苯酚制备双酚A所得到的,其特征在于:
1.在65-75℃的温度下,将反应溶液调至苯酚中p,p-双酚A含量为25-35%(重量),和
2.在此温度下将反应溶液充入结晶反应器数n>1的n级串联结晶器中,和
3.将反应溶液在各结晶反晶器中循环,循环速率至少为500m3/小时,混合物在各结晶反应器中的停留时间至少为3小时,和
4.在整个串联结晶器中,温度梯度安排为从第一个结晶反应器的70℃(n=1)至最终结晶反应器(n)的40℃,和
5.将p,p-BPA含量的为60%、苯酚含量约为40%的p,p-双酚A加合物在结晶反应器中沉淀,过滤,除去苯酚并以通常方式回收p,p-双酚A。
按照本发明方法可用作催化剂的改性磺酸离子交换树脂是已知的(例如DE-A3727641,相应于US-A4912263)。
将反应溶液调至苯酚中双酚A含量(例如尤其是通过称出,计量阀)25-35%(重量),这例如可通过气相色谱测得。
将苯酚和丙酮反应得到的苯酚双酚A引入使1∶1双酚A/苯酚加合物结晶所用的多步串联结晶器中。根据本发明所用的串联结晶器具有两个或三个结晶器(n=2,3),但也可有更多个(n>3)。将由该串联结晶器得到的产物过滤,滤出的双酚A/苯酚混晶(1∶1加合物)通过在苯酚和双酚A中解吸而得到分离,该产物以结晶片的形式出现。
所述串联结晶器至少有两个结晶器(结晶器n,n>1)。将三至六个结晶器串联起来较为有利。
对温度的控制应使得在整个串联结晶器中温度呈70℃(反应器入口,反应器n=1)至40℃分布。第一结晶器(n=1)在70℃的最高温度下操作,在最后一个结晶器n中达到40℃的温度。
然后用常规方法将双酚A分离出来。其纯度至少为99.75%(重量)双酚A,黑曾色值为5-10。
这种特别的加合结晶的特点是可以通过改善结晶过程而不是在BPA法(BPA熔体在溶剂如苯酚或甲苯或二氯甲烷或丙酮中重结晶)之后附加一个结晶步骤来回收高纯度BPA(>99.94%)。
随后过滤和解吸的BPA/苯酚加合物结晶法比起分开的重结晶步骤更为经济。
实施例1
将28%双酚A的苯酚溶液以22m3/h的速率送到70℃的结晶器中并在其中冷却至54℃。将BPA/苯酚混晶的苯酚浆液以1200m3/h的速率连续循环。将温度为54℃的混晶浆液排出结晶器送入第二结晶器(22m/h)。在第二结晶器中混晶浆液被进一步冷却至41℃。将混晶浆液在第二结晶器中以1000m3/h的速率循环。从第二结晶器中以22m3/h的速率排出混晶浆液/溶液并引入旋转式过滤器中。此处,大约有5吨混晶被滤出、洗涤和干燥。滤液中残留双酚A含量为14%。经过滤和后处理的双酚A成品的纯度为99.90%p,p-BPA。该BPA片状产品的色值为5-10黑曾。混晶浆液在串联结晶器中的停留时间为9小时。
实施例2
将28%双酚A的苯酚溶液以45m3/h的速率送到70℃的结晶器中并在其中冷却至54℃。将BPA/苯酚混晶的苯酚浆液以1200m3/h的速率连续循环。将温度为54℃的混晶浆液排出结晶器送入第二结晶器(45m3/h)。在第二结晶器中混晶浆液被进一步冷却至41℃。将混晶浆液在第二结晶器中以1000m3/h的速率循环。从第二结晶器中以45m3/h的速率排出混晶浆液/溶液并引入旋转式过滤器中。此处,大约有10吨混晶被滤出、洗涤和干燥。滤液中残留双酚A含量为14%。经过滤和后处理的双酚A成品的纯度为99.75%p,p-BPA。该BPA片状产品的色值为10黑曾。混晶浆液在串联结晶器中的停留时间为4小时。
实施例3
将32%双酚A的苯酚溶液以8m3/h的速率送到70℃的结晶器中并在其中冷却至54℃。将BPA/苯酚混晶的苯酚浆液以500m3/h的速率连续循环。将温度为54℃的混晶浆液排出结晶器送入第二结晶器(8m3/h)。在第二结晶器中混晶浆液被进一步冷却至41℃。将混晶浆液在第二结晶器中以550m3/h的速率循环。从第二结晶器中以8m3/h的速率排出混晶浆液并引入旋转式过滤器中。此处,大约有2.0%的混晶被滤出、洗涤和干燥。经后处理的双酚A成品的纯度为99.94%p,p-BPA。该BPA片状产品的色值为5黑曾。停留时间为20小时。
实施例4
在27℃下,将29%双酚A的苯酚溶液以10m3/h的速率送到三个结晶器中的第一结晶器中,冷却至56℃。将所得双酚A/苯酚混晶的苯酚浆液以1000m3/h的速率循环。物料由第一结晶器冷泛出进入保持在49℃的第二结晶器中。通过1000m3/h的循环速率再次冷却。最后,在第三结晶器中将混合物冷却至41℃的最终温度。以常规方法在旋转式过滤器中分离所得双酚A/苯酚混晶,并进行处理,得纯双酚A。
制得纯度为99.2%的双酚A,其色值为5-10黑曾。在串联结晶器中的总停留时间为18小时。比较例1(用单级结晶器操作)
采用与实施例2相同的方法,不同之处在于第一结晶器不在54℃下操作。其它所有过程参数均保持相同。经过滤、处理后的双酚A成品的纯度为99.52%p,p-BPA,片状产品的色值为30。混晶在结晶器2(T=41℃)中的停留时间为大约2小时。比较例2(用两个结晶器操作,但两者均调节至41℃)
采用与实施例2相同的方法,不同之处在于第一结晶器的温度降至41℃,其它所有过程参数均保持相同。经过滤、处理后的双酚A成品的纯度为99.62%p,p-BPA,片状产品的色值为25。混晶在两个结晶器(T=41℃)中的停留时间均为4小时。
Claims (1)
1.从反应溶液中回收纯度为至少99.75重量%、黑曾色值为5-10的双酚A的方法,所述反应溶液是在可选地用巯基胺和/或噻唑烷和/或硫代羧酸改性的磺酸离子交换树脂存在下,由丙酮和苯酚制备双酚A所得到的,其特征在于:
(1)在65-75℃的温度下,将反应溶液调至苯酚中p,p-双酚A含量为25-35重量%,和
(2)在此温度下将反应溶液充入结晶反应器数n>1的n级串联结晶器中,和
(3)将反应溶液在各结晶反晶器中循环,循环速率至少为500m3/小时,混合物在各结晶反应器中的停留时间至少为3小时,和
(4)在整个串联结晶器中,温度梯度安排为从第一个结晶反应器的70℃至最终结晶反应器的40℃,和
(5)将p,p-BPA含量约为60%、苯酚含量约为40%的p,p-双酚A加合物结晶在结晶反应器中沉淀,过滤,除去苯酚并以通常方式回收p,p-双酚A。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4408008A DE4408008A1 (de) | 1994-03-10 | 1994-03-10 | Verfahren zur kontinuierlichen Herstellung von hochreinem Bisphenol-A |
DEP4408008.5 | 1994-03-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1111608A CN1111608A (zh) | 1995-11-15 |
CN1066704C true CN1066704C (zh) | 2001-06-06 |
Family
ID=6512364
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95100684A Expired - Fee Related CN1066704C (zh) | 1994-03-10 | 1995-03-10 | 高纯度双酚a的连续制备方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5545764A (zh) |
EP (1) | EP0671377B1 (zh) |
JP (1) | JPH07258131A (zh) |
CN (1) | CN1066704C (zh) |
DE (2) | DE4408008A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109415284A (zh) * | 2016-07-12 | 2019-03-01 | 沙特基础工业全球技术有限公司 | 双酚a的制备 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19954786A1 (de) | 1999-11-15 | 2001-05-17 | Bayer Ag | Schmelzkristallisation |
JP2002053512A (ja) * | 1999-12-03 | 2002-02-19 | Mitsui Chemicals Inc | 高品質ビスフェノールaおよびその製造方法 |
DE19961521A1 (de) * | 1999-12-20 | 2001-06-21 | Bayer Ag | Bisphenol-Phenol-Addukte |
DE10015014A1 (de) * | 2000-03-27 | 2001-10-04 | Bayer Ag | Verfahren zur Herstellung von Bisphenolen |
US6703530B2 (en) | 2002-02-28 | 2004-03-09 | General Electric Company | Chemical reactor system and process |
US20050075520A1 (en) * | 2002-03-13 | 2005-04-07 | O'young Drow Lionel | System and method of producing bisphenol-A (BPA) using two stage crystallization |
US6960697B2 (en) | 2002-03-13 | 2005-11-01 | Mitsubishi Chemical Corporation | System and method of producing bisphenol-A (BPA) |
US7112702B2 (en) * | 2002-12-12 | 2006-09-26 | General Electric Company | Process for the synthesis of bisphenol |
KR101131653B1 (ko) * | 2003-02-21 | 2012-03-28 | 다우 도이치란트 게엠베하 운트 코. 오하게 | 비스(4-히드록시아릴)알칸과 페놀계 화합물의 부가생성물의회수 방법 |
US7598424B2 (en) | 2003-03-27 | 2009-10-06 | Mitsui Chemicals, Inc. | Process for production of bisphenol A |
US7132575B2 (en) * | 2003-07-01 | 2006-11-07 | General Electric Company | Process for the synthesis of bisphenol |
DE102007001427A1 (de) * | 2007-01-09 | 2008-07-10 | Bayer Materialscience Ag | Kristallisationsverfahren zur Herstellung von Bisphenol A |
DE102007021935A1 (de) * | 2007-05-10 | 2008-11-20 | Bayer Materialscience Ag | Verfahren und Herstellung von Bisphenol A mit verlängerter Standzeit in der Kristallisation |
US10407370B2 (en) | 2015-09-11 | 2019-09-10 | Sabic Global Technologies B.V. | Method of recovering phenol from a BPA production plant and the plant for recovering the same |
WO2018065834A1 (en) * | 2016-07-22 | 2018-04-12 | Sabic Global Technologies B.V. | A method for the continuous manufactore of bisphenol a |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4213872A1 (de) * | 1992-04-28 | 1993-11-04 | Bayer Ag | Verfahren zur herstellung von hochreinem bisphenol-a |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4105428A1 (de) * | 1991-02-21 | 1992-08-27 | Bayer Ag | Verfahren zur reinigung von bisphenolen |
-
1994
- 1994-03-10 DE DE4408008A patent/DE4408008A1/de not_active Withdrawn
-
1995
- 1995-02-27 EP EP95102760A patent/EP0671377B1/de not_active Expired - Lifetime
- 1995-02-27 DE DE59502202T patent/DE59502202D1/de not_active Expired - Fee Related
- 1995-03-01 US US08/396,613 patent/US5545764A/en not_active Expired - Fee Related
- 1995-03-06 JP JP7070487A patent/JPH07258131A/ja active Pending
- 1995-03-10 CN CN95100684A patent/CN1066704C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4213872A1 (de) * | 1992-04-28 | 1993-11-04 | Bayer Ag | Verfahren zur herstellung von hochreinem bisphenol-a |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109415284A (zh) * | 2016-07-12 | 2019-03-01 | 沙特基础工业全球技术有限公司 | 双酚a的制备 |
CN109415284B (zh) * | 2016-07-12 | 2022-06-17 | 沙特基础工业全球技术有限公司 | 双酚a的制备 |
Also Published As
Publication number | Publication date |
---|---|
EP0671377A1 (de) | 1995-09-13 |
JPH07258131A (ja) | 1995-10-09 |
CN1111608A (zh) | 1995-11-15 |
DE59502202D1 (de) | 1998-06-25 |
DE4408008A1 (de) | 1995-09-14 |
EP0671377B1 (de) | 1998-05-20 |
US5545764A (en) | 1996-08-13 |
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