TWI226323B - A process for the production of high-purity p,p-bisphenol A - Google Patents
A process for the production of high-purity p,p-bisphenol A Download PDFInfo
- Publication number
- TWI226323B TWI226323B TW089123660A TW89123660A TWI226323B TW I226323 B TWI226323 B TW I226323B TW 089123660 A TW089123660 A TW 089123660A TW 89123660 A TW89123660 A TW 89123660A TW I226323 B TWI226323 B TW I226323B
- Authority
- TW
- Taiwan
- Prior art keywords
- bpa
- reaction
- phenol
- crystallization
- separated
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- 238000002425 crystallisation Methods 0.000 claims abstract 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 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004821 distillation Methods 0.000 claims abstract description 8
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 6
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 6
- 238000000746 purification Methods 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229920001467 poly(styrenesulfonates) Polymers 0.000 claims abstract description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 31
- 230000008025 crystallization Effects 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 7
- 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 5
- 239000006227 byproduct Substances 0.000 claims description 5
- 230000002079 cooperative effect Effects 0.000 claims description 4
- UFULAYFCSOUIOV-UHFFFAOYSA-N cysteamine Chemical compound NCCS UFULAYFCSOUIOV-UHFFFAOYSA-N 0.000 claims description 3
- 229960003151 mercaptamine Drugs 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- -1 sulfanyl compound Chemical class 0.000 claims description 2
- 229940125773 compound 10 Drugs 0.000 claims 1
- 229910017464 nitrogen compound Inorganic materials 0.000 claims 1
- 150000002830 nitrogen compounds Chemical class 0.000 claims 1
- 238000005580 one pot reaction Methods 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract description 36
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000006462 rearrangement reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 13
- 239000012452 mother liquor Substances 0.000 description 9
- 239000000376 reactant Substances 0.000 description 7
- 238000011049 filling Methods 0.000 description 5
- 238000010025 steaming Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 238000005215 recombination Methods 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N indane Chemical compound C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920005990 polystyrene resin Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000035900 sweating Effects 0.000 description 2
- PBEHQFUSQJKBAS-UHFFFAOYSA-N 4-[2-(4-hydroxyphenyl)propan-2-yl]phenol;phenol Chemical compound OC1=CC=CC=C1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 PBEHQFUSQJKBAS-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- 240000004307 Citrus medica Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000003377 acid catalyst Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- VZWXIQHBIQLMPN-UHFFFAOYSA-N chromane Chemical compound C1=CC=C2CCCOC2=C1 VZWXIQHBIQLMPN-UHFFFAOYSA-N 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection 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
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
1226323
本發明係有關高純度雙酚之有效製法。 又勒為製、永合物如:環氧樹脂,或特定言之聚碳酸 醋之重要原料1於此目的之伽要求高標準純度,因此 為仏濟地大規^產,除了要達到緒料及反應選擇 性外,操作步驟亦很重要。 在原則上已知之製法中,雙紛之製法係由獄基化合物 與芳香醇於酸觸媒之存在τ縮合。2,2_雙(4_鮮基)丙 院(ΒΡΑ)之卫業上重要製法為由丙_與苯驗於交鏈績酸 化聚苯乙烯樹脂(離子交換樹脂)之存在下反應,此時苯 盼/丙酮之關定為至少5 。為了賴較高選擇性,而 知用共觸媒;其係均自溶於反應物巾制肖共價鍵或離子 鍵固定在離子交換樹脂上。 本發明之目的在於利用合適製程,使上述製造ΒΡΑ 之方法中所形成之次產物與ΒΡΑ分開,並完全排除產物 中過置苯紛。此外,此等製程中形成之副物流應在整個過 程中經濟地再循環利用。 經濟部智慧財產局員工消費合作钍印製 此等文獻中已說明之達到此等目的之方法為利用懸浮結 晶法’在事先進行或不進行排除水、丙酮及苯酚之蒸餾下, 自反應溶液中單離出ΒΡΑ-苯酚加合物晶體(ΕΡ-Α 829 464, ΕΡ-Α 522 700及ΕΡ_Α 671 377 )。此時,在加合物晶體過 濾、期間得到之高濃度酚系母液可視需要在嵌插一項重組反 應後’送回反應單位前端,再補充新鮮苯酚及丙酮。為了 達到較高純度’懸浮結晶過程可視需要接連重覆進行。此 製法之一項缺點為必須使用昂貴設備進行結晶及固體一液 89542Α-接(ρ.3,6) 本紙張尺度適用中國國家標準(CNS)A4規格(21〇χ297公釐) 1226323 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(2) 體分離。此外,此設備表面被覆著一層BPA或BPA-苯驗 加合物時,在懸浮結晶過程中造成問題,而必須定期熔解 沈積物清潔表面(EP-A 718 267)。 為了避免此等間題,EP-A 758 637中已提出一種免用 5 加合物結晶法,且結果產生循環流動之母液之方法。此時 在一連串涉及蒸餾法之純化步驟中操作反應物之物流來處 理BPA,經過純化之反應物物流不會產生丙|同、水、苯紛 及次產物之回流物流。此方法之缺點在於由於未採用重組 反應及回流,以致蒸餾期間之高溫對產物造成熱影響,其 10蒸鶴法連串過程之高能量成本及高量原料損失。 EP-A 785 181說明反應溶液之操作法,同樣地未採用 加a物結晶法,其係組合使用真空蒸館法,排除水、丙酮 及苯酚,可能時還可排除次成份,隨後進行熔融結晶法。 此衣去亦無可避免原料損失,因為其未使純化過程中形成 15 之含BPA次產物物流再送回循環。 根據本發明操作高純度BPA之製法避免了上述缺 點,其作法為反應物物流呈分層結晶形式,進行加合物結 晶法。 本發明提供一種製造2,2-雙(4-羥苯基)丙烷 2〇 ( βρα)之方法,其係由丙g同與笨g分於交鍵石黃酸化聚苯乙 烯樹脂(離子交換樹脂)之存在下反應,其特徵在於繼反 應單位之後,採用下列步驟自反應溶液中分離bpa a) 以連續或分段式操作分層結晶之形式進行初步結晶, b) 利用蒸餾或結晶法純化, -4- 本紙張尺度適用中國i家標準(CNS)A4規格(21G x 297公釐) (請先閱讀背面之注意事項再填寫本頁) 訂——— II--- i 經濟部智慧財產局員工消費合作社印製 1226323 A7 五、發明說明(3) C)使來自分層結晶法而分離了 BPA但富含次產物之原 料’在嵌插一項重組反應及一項排除水、丙顯I、及視 需要存在之苯酚之蒸館法後,此物流循環送回反應器 之前端或開端。 5 此製程可以免用懸浮結晶法,並使用過濾器及/或離心 機,以機械式分離固體_液體。 根據本發明之製法更詳細說明於圖1所示之流程中。 (1 )代表反應單位,其中BPA製程中之苯酚、丙酮 及視需要存在之次產物經由母液之循環物流(其中苯酚/ 10丙酮比例至少5 : 1,至少10 : i較佳),於40°c至l10°c 之溫度下(以45。(:至70°C較佳)送回由磺酸化交鏈聚苯 乙烯組成之離子交換觸媒中。 該離子交換觸媒係經共價鍵結或離子鍵結之氫硫基化 合物修飾,或均勻添加合適氫硫基化合物至反應溶液中, 15 並循環。 反應單位為例如(且最好為)分層床或流化床,物質 可藉此向上或向下流動,或為為了進行反應性蒸餾作用而 設計之管柱。 由反應單位(1)流出之反應物物流(反應溶液)含 20有未反應之苯酚及丙酮,及水、BPA與主要在反應期間形 成之次產物,如:o,p-BPA,茚滿,色滿,及具有三個或 更夕個^'香糸核心之更南度濃縮反應產物。 此反應物物流通過結晶單位(2),其中在於3〇^至 ll〇°C (以35°C至80°C較佳)之溫度下,依連續或分段式 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) _ I. 1226323 Α7 Β7 五、發明說明( 蒸顧單位(7)中底部產物物流富含ΒΡα及異構物, 係送到結晶單位(2)前端。 另一種製法係不在蒸餾單位(7)中分離苯酚,且母 液物流於蒸顧單位(6 )中與水及丙酮分離後,即直接送 回反應單位(1 )。一部份母液物流可視需要自製程中抽 出。 在圖1之流程圖中,尚包括: 10 15 (8) ⑼至(11)(12) (13) 與(13,: (14) 至(19)(20)(21)(22) 為苯酚之回流導管 為反應物物流之導管 為排除產物之單位 為次產物之導管 為母液物流之導管 為排除單位 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 20 為苯酚之回流導管 為苯酚與丙酮之進料單位 經由根據本發明製法,可經濟地製得高品質ΒΡΑ,使 回流物流、能量供應及原料損失降至最小。本製法中不需 使用ΒΡΑ之懸浮結晶法中用於分離加合物日日日體之旋轉過 濾、器與離心機。因此可避免操作需要經f維護之技術 昂貴之加卫設備,且提高卫廠之可利用率。由於 且顏色指數制,依此方式製造之βρΑ特別適職= 物之原料’此等聚合物如:聚碳酸δ|及環氧樹脂。’、’、♦口 下列貫例係§兒明本發明。本發明不限於此I 文出示之百分比指重量百分比。 只例。下 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) — — — — — — I 一口,·111111
I 1226323 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明(6) 實例 實例1 採用圖1所不連績操作之滅驗設備,來分離苯紛 (7 )。在個別加工步驟中,於平衡時建立下列條件與濃 5度。 反應單位(1):填入磺酸化聚苯乙烯樹脂,以苯酚 潤濕(Lewatit SC 104, Bayer AG,經5%半胱胺修飾),入 口溫度:65 C ’流速:0.2升反應溶液/升觸媒x小時 入口濃度:苯酚96% ,丙酮4.0% 10 出 口濃度:苯酚 84.5% ,丙酮 0.25% ,水 1.45% ,p,p- BPA 12.8%,次成份 1.0% 分層結晶(2):依下列步驟,採用靜態分層結晶法進 行:結晶(63°C至36°C ),母液溢出,發汗(36°C至61 °C),產物熔點(61°C 至 110°C)。
15 入 口濃度:苯酚 70.2%,丙酮 0.2%,水 1.4%,p,p-BPA 21.2%,次成份 7.0%。 出口濃度,產物物流:苯酚42.2% ,丙酮<0.1% ,水 <〇·1%,p,p-BPA 56.4%,次成份 1.4%。 出口濃度,母液物流··苯酚85.0%,丙酮0.3%,水2_2 2〇 %,ρ,ρ-ΒΡΑ2.5%,次成份 10.0%。 排除苯紛(3 ):使用氮氣,於底部190°C之溫度下操 作單步驟解吸單位。 入口濃度··苯酚42.2%,p,p-BPA56.4%,次成份丨·4%。 出 口濃度:苯酚<0.1%,p,p-BPA97.6%,次成份 2·4%。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁)
A7 1226323 B7 五、發明說明(7) 最終純化(4):依下列個別步驟,進行靜態分層結 晶:結晶,母液溢出,發汗,熔解產物。 入 口濃度:苯酚<0·1°/。,ρ,ρ-ΒΡΑ97·6%,次成份 2·4%。 出口 濃度:ρ,ρ-ΒΡΑ 99.84%,次成份 〇.16%。 5 重組反應(5):填入磺酸化聚笨乙烯樹脂,以苯齡 濕潤(Lewatit SC 104,Bayer AG,經 5% 半胱胺修飾), 入口溫度:80°C,流速:〇·2升反應溶液/升觸媒χ小時。 排除水/丙酮(6):填充好之管柱於15〇毫巴,底部 溫度140°C下操作;分離產物物流中之水與丙酮至<〇.ι%。 10 分離苯酚(7):填充好之管柱於1〇〇毫巴,塔頂溫 度120°C下操作;回流到反應單位前端之苯酚物流之純度 為 99.9%。 自回流物流送至結晶單位前端之BPA樹脂含量為回 流量之8%。 (請先閱讀背面之注咅?事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 9 飄 本紙張尺度適用中國國家標準(CNS)A4規格(210 χ 297公釐)
Claims (1)
1226323 公告本
專利申請案第89123660號 ROC Patent Appln. No. 89123660 修正後無劃線之申彳奪I利圍中文本—附件(二 Amended Claims in Chinese - EncL(IT) 一} (民國93年9月M曰送呈) (Submitted on September34,2004) •一種製造p,p-雙酚A (BPA)之方法,其係由丙_與笨 酚於交鏈磺酸化聚苯乙烯樹脂(離子交換樹脂)^存 1〇 在下反應,其特徵在於繼反應單位之後,採用下列^ 驟自反應溶液中分離出ΒΡΑ ' 幻以連續式或分批式操作分層結晶法之形4,進行初 步結晶, b)視需要,利用蒸餾或結晶法進一步純化, 15 〇使分離出BPA且富含次產物之原料物流,在嵌插一 項重』反應及* n排除水、丙_與視需要存在之苯 紛後’循環送回反應器之前端。 2. 根射請專利朗帛1項之方法,其特徵在於該離子 父換樹脂係經過共價鍵結或離子鍵結之氮合物 10 修飾。 經濟部智慧財產局員工消費合作社印製 3. 根據中請專利範圍第i丨2項之方法,其特徵在於該 氳硫基化合物為2-氫硫基乙胺(半胱胺)。 89542B-接 1 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公髮)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19954786A DE19954786A1 (de) | 1999-11-15 | 1999-11-15 | Schmelzkristallisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWI226323B true TWI226323B (en) | 2005-01-11 |
Family
ID=7929027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW089123660A TWI226323B (en) | 1999-11-15 | 2000-11-09 | A process for the production of high-purity p,p-bisphenol A |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US6710211B1 (zh) |
| EP (1) | EP1232134B1 (zh) |
| JP (1) | JP4659321B2 (zh) |
| KR (1) | KR100717663B1 (zh) |
| CN (1) | CN1189438C (zh) |
| AT (1) | ATE276990T1 (zh) |
| AU (1) | AU1027701A (zh) |
| BR (1) | BR0015555A (zh) |
| DE (2) | DE19954786A1 (zh) |
| ES (1) | ES2228621T3 (zh) |
| MX (1) | MXPA02004812A (zh) |
| TW (1) | TWI226323B (zh) |
| WO (1) | WO2001036358A1 (zh) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6703530B2 (en) | 2002-02-28 | 2004-03-09 | General Electric Company | Chemical reactor system and process |
| EP1669339B1 (en) | 2003-09-28 | 2010-07-28 | China Petroleum & Chemical Corporation | Method for preparing bisphenol a |
| JP4552418B2 (ja) * | 2003-10-31 | 2010-09-29 | 三菱化学株式会社 | ビスフェノールaの製造方法 |
| DE102004005726A1 (de) * | 2004-02-05 | 2005-08-25 | Bayer Materialscience Ag | Entwässerung von Kreislaufströmen bei der Herstellung von Bisphenol A |
| DE102005025788A1 (de) * | 2005-06-04 | 2006-12-07 | Bayer Materialscience Ag | Verfahren zur Herstellung von hochreinem Bisphenol A |
| US8735634B2 (en) | 2011-05-02 | 2014-05-27 | Sabic Innovative Plastics Ip B.V. | Promoter catalyst system with solvent purification |
| US9290618B2 (en) | 2011-08-05 | 2016-03-22 | Sabic Global Technologies B.V. | Polycarbonate compositions having enhanced optical properties, methods of making and articles comprising the polycarbonate compositions |
| WO2013116697A1 (en) | 2012-02-03 | 2013-08-08 | Sabic Innovative Plastics Ip B.V. | Light emitting diode device and method for production thereof containing conversion material chemistry |
| EP2819981B1 (en) | 2012-02-29 | 2016-12-21 | SABIC Global Technologies B.V. | Process for producing low sulfur bisphenol a, processes for producing polycarbonate, articles made from polycarbonate |
| US9287471B2 (en) | 2012-02-29 | 2016-03-15 | Sabic Global Technologies B.V. | Polycarbonate compositions containing conversion material chemistry and having enhanced optical properties, methods of making and articles comprising the same |
| US9346949B2 (en) | 2013-02-12 | 2016-05-24 | Sabic Global Technologies B.V. | High reflectance polycarbonate |
| WO2014066784A1 (en) | 2012-10-25 | 2014-05-01 | Sabic Innovative Plastics Ip B.V. | Light emitting diode devices, method of manufacture, uses thereof |
| WO2014186548A1 (en) | 2013-05-16 | 2014-11-20 | Sabic Innovative Plastics Ip B.V. | Branched polycarbonate compositions having conversion material chemistry and articles thereof |
| KR102229148B1 (ko) | 2013-05-29 | 2021-03-23 | 사빅 글로벌 테크놀러지스 비.브이. | 색 안정한 열가소성 광투과 물품을 갖는 조명 장치 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2931036A1 (de) * | 1979-07-31 | 1981-02-26 | Bayer Ag | Katalysator fuer die herstellung von bisphenolen |
| CA2054386A1 (en) * | 1990-11-16 | 1992-05-17 | Eric Gustave Lundquist | Acidic catalyst for condensation reactions |
| ES2126977T3 (es) | 1991-07-10 | 1999-04-01 | Chiyoda Chem Eng Construct Co | Procedimento para la produccion de aducto cristalino de bisfenol a y fenol. |
| JPH05117189A (ja) * | 1991-10-28 | 1993-05-14 | Mitsubishi Petrochem Co Ltd | ビスフエノールaの製造方法 |
| DE4408008A1 (de) | 1994-03-10 | 1995-09-14 | Bayer Ag | Verfahren zur kontinuierlichen Herstellung von hochreinem Bisphenol-A |
| DE4413396A1 (de) * | 1994-04-18 | 1995-10-19 | Bayer Ag | Verfahren zur Herstellung von ultrareinem Bisphenol-A und dessen Verwendung |
| US5414151A (en) * | 1994-05-02 | 1995-05-09 | General Electric Company | Method for making bisphenol |
| DE19529855A1 (de) * | 1995-08-14 | 1997-02-20 | Bayer Ag | Verfahren zur Reinigung von Bisphenol |
| US5723689A (en) | 1996-01-16 | 1998-03-03 | General Electric Company | Process for recovering bisphenols |
| US5786522A (en) * | 1996-09-13 | 1998-07-28 | General Electric Company | Manufacture of bisphenol-A |
-
1999
- 1999-11-15 DE DE19954786A patent/DE19954786A1/de not_active Withdrawn
-
2000
- 2000-11-03 WO PCT/EP2000/010827 patent/WO2001036358A1/de not_active Ceased
- 2000-11-03 AT AT00971412T patent/ATE276990T1/de not_active IP Right Cessation
- 2000-11-03 ES ES00971412T patent/ES2228621T3/es not_active Expired - Lifetime
- 2000-11-03 DE DE50007933T patent/DE50007933D1/de not_active Expired - Lifetime
- 2000-11-03 JP JP2001538314A patent/JP4659321B2/ja not_active Expired - Fee Related
- 2000-11-03 AU AU10277/01A patent/AU1027701A/en not_active Abandoned
- 2000-11-03 CN CNB008156514A patent/CN1189438C/zh not_active Expired - Fee Related
- 2000-11-03 KR KR1020027006178A patent/KR100717663B1/ko not_active Expired - Fee Related
- 2000-11-03 MX MXPA02004812A patent/MXPA02004812A/es unknown
- 2000-11-03 US US10/129,944 patent/US6710211B1/en not_active Expired - Fee Related
- 2000-11-03 BR BR0015555-1A patent/BR0015555A/pt not_active IP Right Cessation
- 2000-11-03 EP EP00971412A patent/EP1232134B1/de not_active Expired - Lifetime
- 2000-11-09 TW TW089123660A patent/TWI226323B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1232134B1 (de) | 2004-09-22 |
| AU1027701A (en) | 2001-05-30 |
| CN1189438C (zh) | 2005-02-16 |
| JP2003523950A (ja) | 2003-08-12 |
| WO2001036358A1 (de) | 2001-05-25 |
| DE50007933D1 (de) | 2004-10-28 |
| US6710211B1 (en) | 2004-03-23 |
| KR20020050278A (ko) | 2002-06-26 |
| JP4659321B2 (ja) | 2011-03-30 |
| DE19954786A1 (de) | 2001-05-17 |
| MXPA02004812A (es) | 2003-01-28 |
| EP1232134A1 (de) | 2002-08-21 |
| CN1390187A (zh) | 2003-01-08 |
| ATE276990T1 (de) | 2004-10-15 |
| BR0015555A (pt) | 2002-07-09 |
| ES2228621T3 (es) | 2005-04-16 |
| KR100717663B1 (ko) | 2007-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI226323B (en) | A process for the production of high-purity p,p-bisphenol A | |
| KR910004133B1 (ko) | 고순도 비스페놀 a의 제조방법 | |
| EP0558552B1 (en) | A process to obtain high-purity bisphenol a | |
| CN104379546B (zh) | 双酚a的制备方法 | |
| CN101636371A (zh) | 生产双酚a的方法 | |
| US4327229A (en) | Recovery of bisphenol-A values | |
| EP0290179B1 (en) | Process for preparing bisphenol a | |
| KR20010012573A (ko) | 디히드록시디아릴알칸의 연속적인 제조 방법 | |
| KR100717662B1 (ko) | 비스페놀의 제조 방법 | |
| US5723688A (en) | Process for preparing an adduct of a bisphenol with phenolic compound | |
| CN1331831C (zh) | 双酚a的制造方法 | |
| US20240308944A1 (en) | Method for the manufacture of bisphenol a | |
| JP4904064B2 (ja) | ビスフェノールaの製造方法 | |
| JPH0558611B2 (zh) | ||
| CN100424060C (zh) | 双酚-a的提纯方法 | |
| CN104540799B (zh) | 制造双酚a的方法 | |
| JPH03284641A (ja) | ビスフェノールaの製造方法 | |
| JPH0558612B2 (zh) | ||
| KR20190060430A (ko) | 비스페놀a의 제조방법 | |
| HK1050520A (zh) | 生产双酚a的方法 | |
| PL187916B1 (pl) | Sposób otrzymywania bisfenolu A | |
| HK1050517A (zh) | 双酚的制备 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |