CN116060090A - 一种乳酸制丙交酯的催化剂及其合成方法和应用 - Google Patents
一种乳酸制丙交酯的催化剂及其合成方法和应用 Download PDFInfo
- Publication number
- CN116060090A CN116060090A CN202111279105.1A CN202111279105A CN116060090A CN 116060090 A CN116060090 A CN 116060090A CN 202111279105 A CN202111279105 A CN 202111279105A CN 116060090 A CN116060090 A CN 116060090A
- Authority
- CN
- China
- Prior art keywords
- catalyst
- sio
- lactic acid
- lactide
- core
- 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.)
- Granted
Links
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 title claims abstract description 120
- 239000003054 catalyst Substances 0.000 title claims abstract description 108
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 239000004310 lactic acid Substances 0.000 title claims abstract description 60
- 235000014655 lactic acid Nutrition 0.000 title claims abstract description 60
- 238000010189 synthetic method Methods 0.000 title description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000002245 particle Substances 0.000 claims abstract description 54
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000011258 core-shell material Substances 0.000 claims abstract description 47
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000001308 synthesis method Methods 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002105 nanoparticle Substances 0.000 claims abstract description 15
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 9
- AOTOMVRCWUMWDC-UHFFFAOYSA-N CCCCP(CCCC)(CCCC)CCCC.O Chemical compound CCCCP(CCCC)(CCCC)CCCC.O AOTOMVRCWUMWDC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000002425 crystallisation Methods 0.000 claims abstract description 8
- 230000008025 crystallization Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 57
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 27
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 26
- 239000002808 molecular sieve Substances 0.000 claims description 21
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 21
- 239000003960 organic solvent Substances 0.000 claims description 17
- 239000012071 phase Substances 0.000 claims description 16
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 14
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 12
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- KHMOASUYFVRATF-UHFFFAOYSA-J tin(4+);tetrachloride;pentahydrate Chemical compound O.O.O.O.O.Cl[Sn](Cl)(Cl)Cl KHMOASUYFVRATF-UHFFFAOYSA-J 0.000 claims description 8
- 239000012074 organic phase Substances 0.000 claims description 6
- 238000005191 phase separation Methods 0.000 claims description 6
- 229930182843 D-Lactic acid Natural products 0.000 claims description 5
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 claims description 5
- 239000008346 aqueous phase Substances 0.000 claims description 5
- 229940022769 d- lactic acid Drugs 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 4
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 3
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001555 benzenes Chemical class 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000011084 recovery Methods 0.000 abstract description 10
- 230000018044 dehydration Effects 0.000 abstract description 6
- 238000006297 dehydration reaction Methods 0.000 abstract description 6
- 238000007363 ring formation reaction Methods 0.000 abstract description 5
- 239000000047 product Substances 0.000 description 28
- 230000015572 biosynthetic process Effects 0.000 description 11
- 239000002994 raw material Substances 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- 230000002194 synthesizing effect Effects 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 239000007771 core particle Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 description 4
- 150000003903 lactic acid esters Chemical class 0.000 description 4
- 239000006249 magnetic particle Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000006340 racemization Effects 0.000 description 4
- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 description 3
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000004587 chromatography analysis Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 229940109239 creatinine Drugs 0.000 description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 239000004626 polylactic acid Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VEFXTGTZJOWDOF-UHFFFAOYSA-N benzene;hydrate Chemical compound O.C1=CC=CC=C1 VEFXTGTZJOWDOF-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 239000002815 homogeneous catalyst Substances 0.000 description 1
- 238000005216 hydrothermal crystallization Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
- C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/584—Recycling of catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (23)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111279105.1A CN116060090B (zh) | 2021-10-31 | 2021-10-31 | 一种乳酸制丙交酯的催化剂及其合成方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111279105.1A CN116060090B (zh) | 2021-10-31 | 2021-10-31 | 一种乳酸制丙交酯的催化剂及其合成方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116060090A true CN116060090A (zh) | 2023-05-05 |
CN116060090B CN116060090B (zh) | 2024-05-07 |
Family
ID=86175531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111279105.1A Active CN116060090B (zh) | 2021-10-31 | 2021-10-31 | 一种乳酸制丙交酯的催化剂及其合成方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116060090B (zh) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102243448A (zh) * | 2010-05-12 | 2011-11-16 | 株式会社理光 | 调色剂、显影剂和图像形成方法 |
WO2013141126A1 (ja) * | 2012-03-19 | 2013-09-26 | ユニチカ株式会社 | ポリ乳酸系樹脂組成物およびそれを成形してなるポリ乳酸系フィルム |
CN104098774A (zh) * | 2013-04-15 | 2014-10-15 | 江南大学 | 一种磁响应性星型嵌段共聚物纳米胶束作为药物载体的制备方法 |
WO2014204099A1 (ko) * | 2013-06-21 | 2014-12-24 | 한국화학연구원 | 젖산으로부터 락타이드 직접 제조용 성형 촉매 및 이의 제조 방법 |
CN111533727A (zh) * | 2019-12-24 | 2020-08-14 | 安徽丰原发酵技术工程研究有限公司 | 一步气相反应制备丙交酯的方法 |
CN112028869A (zh) * | 2020-09-23 | 2020-12-04 | 中触媒新材料股份有限公司 | 一种一步合成丙交酯的方法 |
CN112678842A (zh) * | 2020-12-23 | 2021-04-20 | 中触媒新材料股份有限公司 | 一种纳米Sn-Beta分子筛的合成方法 |
CN113117664A (zh) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | 一种制备果糖的核壳催化剂及其制备方法和应用 |
CN113441172A (zh) * | 2021-06-25 | 2021-09-28 | 西安科技大学 | 一种磁性核壳结构催化剂及其制备方法 |
-
2021
- 2021-10-31 CN CN202111279105.1A patent/CN116060090B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102243448A (zh) * | 2010-05-12 | 2011-11-16 | 株式会社理光 | 调色剂、显影剂和图像形成方法 |
WO2013141126A1 (ja) * | 2012-03-19 | 2013-09-26 | ユニチカ株式会社 | ポリ乳酸系樹脂組成物およびそれを成形してなるポリ乳酸系フィルム |
CN104098774A (zh) * | 2013-04-15 | 2014-10-15 | 江南大学 | 一种磁响应性星型嵌段共聚物纳米胶束作为药物载体的制备方法 |
WO2014204099A1 (ko) * | 2013-06-21 | 2014-12-24 | 한국화학연구원 | 젖산으로부터 락타이드 직접 제조용 성형 촉매 및 이의 제조 방법 |
CN111533727A (zh) * | 2019-12-24 | 2020-08-14 | 安徽丰原发酵技术工程研究有限公司 | 一步气相反应制备丙交酯的方法 |
CN113117664A (zh) * | 2019-12-31 | 2021-07-16 | 中国石油化工股份有限公司 | 一种制备果糖的核壳催化剂及其制备方法和应用 |
CN112028869A (zh) * | 2020-09-23 | 2020-12-04 | 中触媒新材料股份有限公司 | 一种一步合成丙交酯的方法 |
CN112678842A (zh) * | 2020-12-23 | 2021-04-20 | 中触媒新材料股份有限公司 | 一种纳米Sn-Beta分子筛的合成方法 |
CN113441172A (zh) * | 2021-06-25 | 2021-09-28 | 西安科技大学 | 一种磁性核壳结构催化剂及其制备方法 |
Non-Patent Citations (4)
Title |
---|
DINAMARCA R. ET AL.: "Magnetic Fe2O3-SiO2-MeO2-Pt(Me=Ti, Sn, Ce) as catalysts for the selective hydrogenation of cinnamaldehyde. Effect of the nature of the metal oxide", 《MATERIALS》, vol. 12, no. 3, 29 January 2019 (2019-01-29), pages 1 - 16 * |
ZHAO Y.: "Synthesis of poly(ethylene glycol)-b-poly(L-latic acid) diblock copolymers and formation of their electrspun fibers", 《ACTA POLYMERICA SINICA》, no. 5, 20 May 2008 (2008-05-20), pages 405 - 409 * |
李静等: "易分离磁性纳米复合固体酸Fe_3O_4@SiO_2-SO_3H催化香豆素衍生物的合成", 《许昌学院学报》, no. 02, 30 March 2019 (2019-03-30), pages 72 - 76 * |
赵成浩等: "乳酸一步法制备丙交酯的研究进展", 《塑料科技》, vol. 50, no. 10, 25 October 2022 (2022-10-25), pages 103 - 107 * |
Also Published As
Publication number | Publication date |
---|---|
CN116060090B (zh) | 2024-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2009146659A1 (zh) | 异海松酸的制备方法 | |
CN114213360A (zh) | 一种曲美他嗪的制备方法 | |
CN113603580B (zh) | 一种衣康酸脱羧合成甲基丙烯酸的方法 | |
CN116060090B (zh) | 一种乳酸制丙交酯的催化剂及其合成方法和应用 | |
CN112645799B (zh) | 一种间苯二酚的后处理工艺 | |
CN113045375A (zh) | 一种由二戊基蒽烷基转移制备2-戊基蒽的方法 | |
CN114437017A (zh) | 一种乳酸制备丙交酯的方法 | |
CN103145796B (zh) | 一种纽甜合成工艺 | |
CN116060088B (zh) | 一种乳酸脱水制丙交酯的催化剂及其合成方法和应用 | |
CN116037194B (zh) | 一种乳酸制备丙交酯的催化剂及其制备方法和应用 | |
CN110818573A (zh) | 一种3,3’-二氯-4,4’-二氨基二苯基甲烷的制备方法 | |
CN107721936B (zh) | 水相合成3,4-二氢嘧啶-2-酮类化合物的方法 | |
CN112661695B (zh) | 采用溶剂法制备受阻胺类光稳定剂的方法 | |
CN116041311A (zh) | 一种乳酸脱水环化合成丙交酯的方法 | |
CN109126880B (zh) | 一种含铈盐催化剂、其制备方法和催化制备丙酸丁酯的应用 | |
CN114181189A (zh) | 一种环状交酯的纯化方法 | |
CN113233983A (zh) | 由酸性深共融溶剂催化合成乙酸芳樟酯的方法 | |
CN113698341B (zh) | 一种吡啶的纯化方法 | |
CN105153421B (zh) | 一种制备四甲基哌啶氮氧自由基聚合物方法 | |
CN109369367A (zh) | 一种木质素制备4-(3-羟基苯基)-4-氧代丁酸的方法 | |
CN114315885B (zh) | 催化合成3-羟基-4-((三甲基甲硅烷基)乙炔基)苯甲酸甲酯的方法 | |
CN112679296B (zh) | 一种叔丁醇直接转化生产丙烯的方法 | |
CN112794826A (zh) | 一种固化剂中间体n,n,n-三(3’-丙酸甲酯基)-1,3,5-三嗪的制备方法 | |
CN115677496A (zh) | 一种利用废水中的羟基乙酸钠制备羟基乙酸丁酯的方法 | |
CN114315577A (zh) | 一种2-乙氧基亚甲基-4,4-二氟乙酰乙酸乙酯的合成方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240204 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Applicant after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Applicant before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Applicant before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |