CN103030612A - Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene - Google Patents
Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene Download PDFInfo
- Publication number
- CN103030612A CN103030612A CN2011103004227A CN201110300422A CN103030612A CN 103030612 A CN103030612 A CN 103030612A CN 2011103004227 A CN2011103004227 A CN 2011103004227A CN 201110300422 A CN201110300422 A CN 201110300422A CN 103030612 A CN103030612 A CN 103030612A
- Authority
- CN
- China
- Prior art keywords
- reaction
- propylene
- hydrogen phosphide
- phosphide cumene
- propylene oxide
- 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
Images
Classifications
-
- 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
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Abstract
The invention relates to a method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene, mainly aiming at solving the problems of low catalyst activity, low epoxypropane selectivity and poor reaction stability existing in the prior art. Reaction raw materials are in contact with catalyst to produce the epoxypropane by using the cumyl hydroperoxide and the propylene as the raw materials under the conditions that the molar ratio of the cumyl hydroperoxide to the propylene is 1:1 to 1:10, the reaction temperature is 50-100DEG C, the reaction pressure is 1-5MPa and the mass space velocity of the cumyl hydroperoxide is 1-30h<-1>. The catalyst is prepared by adopting a method which comprises the following steps of: a) evenly mixing organic silicon sources, inorganic silicon sources, titanium sources and organic templates with water, and filtering, water-washing, drying and roasting the product to obtain precursors I, wherein the inorganic silicon sources are selected from at least one of silica sol, silicate ester and solid silicon oxide, and the organic silicon sources are methyltrimethoxysilane; and b) by taking inert gas as carriers, feeding silanization agent into the precursors I for reaction to obtain the catalyst, wherein the silanization agent is selected from at least one of organic silane, organic silicylamine, organic silicylamide and organic silazane. By adopting the technical scheme, the problems are better solved and the method can be used for the industrial production of the epoxypropane.
Description
Technical field
The present invention relates to the method that propylene oxide is produced in the reaction of a kind of hydrogen phosphide cumene and propylene.
Background technology
The mesoporous material such as HMS, MCM-41 surface is metamict, is rich in great amount of hydroxy group, and surface hydrophilicity is strong, has a strong impact on the performance of catalyzer.Therefore, wish to eliminate hydroxyl by modified method, increase surface hydrophobicity, to improve its epoxidation performance.The work of this respect more and more causes the concern of chemist.
Bhaumik (Organically Modified Titanium-Rich Ti-MCM-41, Efficient Catalysts for Epoxidation Reactions) [J.Catal., 2000,189 (1): 31-39] adopt the original position condensation method, on the Ti-MCM-41 surface respectively grafting methyl, vinyl, allyl group, chloropropyl, amyl group and phenyl.Kapoor etc. (Titanium containing inorganic-organic hybrid mesoporous materials with exceptional activity in epoxidation of alkenes using hydrogen peroxide) [Mater.Chem., 2002,12:3078-3083] with 1, two (Trimethoxy silane) ethane of 2-are grafting agent, adopt the original position condensation method bridging dimethylene (CH that synthesized surface grafting
2CH
2-) Ti-MCM-41, by regulating the ingredient proportion of tetraethoxy and bridging silane, reach the rational Match of the electric density of organosilicate and surfactant interface, the structure of control material-porousness concerns.Pena etc. (Elucidating the local environment of Ti (IV) active sites in Ti-MCM-48:a comparison between silylated and calcined catalysts) [Micropor.Mesopor.Mater., 2001,44-45:345-356] with hexamethyldisilazane Ti-MCM-48 has been carried out the methyl graft modification by liquid phase method at 120 ℃, on the Si-OH on surface and the Ti-OH-H while quilt-Si (CH
3)
3Replace.Lin etc. (Formation of better catalytically active titanium species in Ti-MCM-41byvapor-phase silylation) [J.Catal., 2005,235 (2): 423-427] the Ti-MCM-41 mesoporous material that hydrothermal method is synthesized has carried out the research of the gas phase methyl graft modification of different time.
But, be used for the reaction of hydrogen phosphide cumene and propylene behind the above-mentioned document intermediary hole material modification, still exist catalyst activity low, product propylene oxide selectivity is low, the problem that reaction stability is poor.
Summary of the invention
Technical problem to be solved by this invention is to exist catalyst activity low in the prior art, and product propylene oxide selectivity is low, and the problem that reaction stability is poor provides a kind of new hydrogen phosphide cumene and the method for propylene reaction production propylene oxide.The method has the catalyst activity height, and product propylene oxide selectivity is high, the characteristics that reaction stability is good.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: the method that propylene oxide is produced in a kind of hydrogen phosphide cumene and propylene reaction, take hydrogen phosphide cumene and propylene as raw material, it is 1: 1～1: 10 at hydrogen phosphide cumene and propylene mol ratio, temperature of reaction is 50～100 ℃, reaction pressure is 1～5MPa, and the hydrogen phosphide cumene mass space velocity is 1～30 hour
-1Under the condition, reaction raw materials contacts with catalyzer and generates propylene oxide; Wherein used catalyzer is the HMS structure titanium silicon molecular sieve, prepares by the following method:
A) organosilicon source, inorganic silicon source, titanium source, organic formwork agent and water are mixed, each component mol ratio is in the raw material: the organosilicon source: the inorganic silicon source: titanium source: organic formwork agent: water=1: (1～30): (0.001～0.005): (0.01～0.05): (1～5); Mixture 30～70 ℃ stir 0.1～5 hour after, product after filtration, washing, dry, roasting, obtain precursor I; Wherein the inorganic silicon source is selected from least a in silicon sol, silicon ester or the solid oxidation silicon, and the organosilicon source is methyltrimethoxy silane; The titanium source is selected from TiCl
4, TiCl
3, TiOCl
2, TiOSO
4Or general formula is (R
2O)
4At least a in the organic titanate of Ti, wherein R
2Be the alkyl of 1～4 carbon atom, organic formwork agent is selected from C
10～C
20Primary amine;
B) under 50～400 ℃, take rare gas element as carrier gas, silylating reagent is passed in the precursor I, reacted 0.5～10 hour, obtain described HMS structure titanium silicon molecular sieve; Wherein, described silylating reagent is selected from least a in organosilane, Organosilyl amine, Organosilyl acid amides or the organosilazanes, and the weight ratio of silylating reagent and precursor I is 0.001～0.05.
In the technique scheme, each component mol ratio preferable range of raw material is: organosilicon source: inorganic silicon source: titanium source: organic formwork agent: water=1: (2～19): (0.002～0.004): (0.02～0.04): (1.5～4.5).Organosilane is selected from trimethylchlorosilane, dichlorodimethylsilane, one chlorine monobromo dimethylsilane, the nitrotrimethylolmethane methyl-monosilane, chlorotriethyl silane, dimethylbutyl iodine silane, at least a in 3,5-dimethylphenyl chlorosilane or the dimethyl chloride bromo-silicane, Organosilyl amine is selected from the N-trimethyl-silyl-imidazole, N-dimethylethylsilyl imidazoles, N-dimethyl sec.-propyl silyl imidazoles, N-trimethyl silyl dimethyl amine, N-trimethyl silyl diethylamide, at least a in N-trimethyl silyl pyrroles or the N-trimethyl silyl piperidines, the Organosilyl acid amides is selected from N, the two trimethyl silyl ethanamides of 0-, N, the two trimethyl silyl trifluoroacetamides of 0-, N-trimethyl silyl ethanamide, at least a in N-methyl-N-trimethyl silyl trifluoroacetamide or N-methyl-N-trimethyl silyl hexafluoro butyramide, organosilazanes is selected from hexamethyldisilazane, heptamethyldisilazane, 1,1,3, the 3-tetramethyl-disilazane, 1,3-divinyl-1,1,3, at least a in 3-tetramethyl-disilazane or 1, the 3-phenylbenzene tetramethyl-disilazane.Described silylating reagent preferred version is to be selected from least a in organosilane or the organosilazanes.Described organic formwork agent preferred version is to be selected from least a in hexadecylamine, octadecyl amine or the n-dodecylamine.The weight ratio preferable range of silylating reagent and precursor I is 0.005～0.4.Described rare gas element is nitrogen.Step b) in, the temperature of reaction preferable range is 80～300 ℃, and more preferably scope is 100～250 ℃; The reaction times preferable range is 1～8 hour, and more preferably scope is 1.5～7 hours.Hydrogen phosphide cumene and propylene reaction, wherein hydrogen phosphide cumene and propylene mol ratio preferable range are 1: 1～1: 8, the temperature of reaction preferable range is 50～90 ℃, and the reaction pressure preferable range is 1～3MPa, and hydrogen phosphide cumene mass space velocity preferable range is 1～20 hour
-1
It is catalyzer that the inventive method adopts the HMS structure titanium silicon molecular sieve of two-step approach preparation, the molecular sieve that namely at first adds methyltrimethoxy silane synthetic situ-formed graft methyl in organosilicon source in synthetic Ti-HMS glue is introduced organic group by the hydrolysis cocondensation in organosilicon source and inorganic silicon source on the surface, duct; Then adopt vapor phase process grafting methyl, obtain rich methylic Ti-HMS molecular sieve.The Ti-HMS meso-porous molecular sieve material of two-step approach preparation can reduce the quantity of hydroxyl and B acid position better, increases the hydrophobicity on molecular sieve surface, improves the catalytic performance of molecular sieve.Adopting the inventive method, on fixed bed device, is 5 at propylene and hydrogen phosphide cumene CHP mol ratio, temperature is to react 24 hours under 70 ℃ of conditions, the transformation efficiency of hydrogen phosphide cumene can reach 99%, and the selectivity of product propylene oxide can reach 98%, has obtained preferably technique effect.
Description of drawings
Fig. 1 is catalyzer in the inventive method
29Si CP/MAS NMR spectrogram.
Sample in δ=-90 ,-100 and-the 110ppm place has occurred
29The nuclear magnetic resonance peak of Si, they belong to respectively the following three kinds of Siliciumatom that is in the different chemical environment: Q
2((SiO)
2Si
*-(OH)
2), Q
3((SiO)
3Si
*-OH) and Q
4((SiO)
4Si
*), behind the silanization, at δ=14.7ppm place a new resonance peak appears, should belong to (SiO)
3Si-OSi
*(CH
3)
3, this explanation is trimethyl silicon based with surperficial Si-hydroxyl carrier effect to have occured, and grafting has formed Si-O-Si (CH to the surface of catalyzer
3)
3Group.This has confirmed that the organosilicon grafting to the support of the catalyst surface, has formed the Si-O-Si key.
The present invention is further elaborated below by embodiment.
Embodiment
[embodiment 1]
7.23 gram hexadecylamines are dropped in the solution that is comprised of 63 gram deionized waters and 32.2 gram ethanol, form solution A 50 ℃ of lower stirring and dissolving.1 mole methyltrimethoxy silane and 0.68 gram butyl (tetra) titanate are splashed in the mixing solutions that is comprised of 6 gram Virahols and 19 moles of tetraethoxys, stirred the formation solution B 30 minutes.Solution B is poured in the solution A, stirred 18 hours, filter, washing is dry, 350 ℃ of lower roastings 8 hours, obtains precursor I.Then precursor I is contained in the quartz tube reactor, 100 ℃ of temperature under nitrogen atmosphere, pass into N-trimethyl-silyl-imidazole reaction 1.5 hours, then purge 2 hours under nitrogen atmosphere, obtain the HMS structure titanium silicon molecular sieve.Wherein, each component mol ratio is in the raw material: methyltrimethoxy silane: tetraethoxy: butyl (tetra) titanate: cetylamine: water=1: 19: 0.002: 0.03: 3.5, the weight ratio of hexamethyldisilazane and precursor I was 0.01.Make catalyzer
29SiCP/MAS NMR spectrogram as shown in Figure 1.
[embodiment 2]
With [embodiment 1], just each component mol ratio is in the raw material: methyltrimethoxy silane: tetraethoxy: butyl (tetra) titanate: cetylamine: water=1: 19: 0.004: 0.04: 3.5, under the nitrogen atmosphere, the temperature of reaction of precursor I and hexamethyldisilazane is 200 ℃, reaction times is 3 hours, and the weight ratio of hexamethyldisilazane and precursor I is 0.05.The product that obtains its
29Si CP/MAS NMR spectrogram is similar to [embodiment 1].
[embodiment 3]
With [embodiment 1], just each component mol ratio is in the raw material: methyltrimethoxy silane: tetraethoxy: butyl (tetra) titanate: stearylamine: water=1: 5: 0.003: 0.04: 4.5, under the nitrogen atmosphere, the temperature of reaction of precursor I and hexamethyldisilazane is 250 ℃, reaction times is 5 hours, N, the weight ratio of the two trimethyl silyl ethanamides of 0-and precursor I is 0.005.The product that obtains its
29Si CP/MAS NMR spectrogram is similar to [embodiment 1].
[embodiment 4]
With [embodiment 1], just each component mol ratio is in the raw material: methyltrimethoxy silane: tetraethoxy: butyl (tetra) titanate: cetylamine: water=1: 10: 0.003: 0.02: 1.5, under the nitrogen atmosphere, the temperature of reaction of precursor I and trimethylchlorosilane is 100 ℃, reaction times is 7 hours, and the weight ratio of hexamethyldisilazane and precursor I is 0.03.The product that obtains its
29Si CP/MAS NMR spectrogram is similar to [embodiment 1].
[embodiment 5]
With the sieve peg-raking catalyst of [embodiment 1～4] preparation, carry out the reaction of hydrogen phosphide cumene and propylene.
On fixed bed device, add 1 gram catalyzer, 30wt% hydrogen phosphide cumene (CHP) flow is 0.28 ml/min, and the propylene flow is 0.21 ml/min, and behind the constant temperature to 70 ℃, reaction pressure 3MPa reacted 24 hours.After reaction finishes, carry out the water absorption of saturated aqueous common salt and investigate, record the hydrophobic performance that water-intake rate shows this catalyzer.Concrete outcome sees Table 1.
[Comparative Examples 1]
7.23 gram hexadecylamines are dropped in the solution that is comprised of 63 gram deionized waters and 32.2 gram ethanol, form solution A 50 ℃ of lower stirring and dissolving.0.68 gram butyl (tetra) titanate is splashed in the mixing solutions that is comprised of 6 gram Virahols and 19 moles of tetraethoxys, stirred 30 minutes, the formation solution B.Solution B is poured in the solution A, stirred 18 hours, filter, washing is dry, then 350 ℃ of lower roastings 8 hours.Wherein, each component mol ratio is in the raw material: tetraethoxy: butyl (tetra) titanate: hexadecylamine: water=1: 0.0003: 0.002: 0.15.
The sample that obtains carries out hydrogen phosphide cumene and propylene reaction with [embodiment 5], the results are shown in Table 1.
[Comparative Examples 2]
7.23 gram hexadecylamines are dropped in the solution that is comprised of 63 gram deionized waters and 32.2 gram ethanol, form solution A 50 ℃ of lower stirring and dissolving.1 mole methyltrimethoxy silane and 0.68 gram butyl (tetra) titanate are splashed in the mixing solutions that is comprised of 6 gram Virahols and 19 moles of tetraethoxys, stirred the formation solution B 30 minutes.Solution B is poured in the solution A, stirred 18 hours, filter, washing is dry, then 350 ℃ of lower roastings 8 hours.Wherein, each component mol ratio is in the raw material: methyltrimethoxy silane: tetraethoxy: butyl (tetra) titanate: hexadecylamine: water=1: 5: 0.003: 0.04: 4.5.
The sample that obtains is carried out hydrogen phosphide cumene and propylene reaction with [embodiment 5], the results are shown in Table 1.
Table 1
[embodiment 6]
With [embodiment 5], just on the fixed bed device, 30% hydrogen phosphide cumene (CHP) flow is 0.28 ml/min, the propylene flow is 0.21 ml/min, and temperature of reaction is 90 ℃, and reaction pressure is 2MPa, catalyst levels is 1 gram, and the reaction times is 240 hours.The results are shown in Table 2.
Table 2
Claims (10)
1. a hydrogen phosphide cumene and the propylene reaction method of producing propylene oxide, take hydrogen phosphide cumene and propylene as raw material, it is 1: 1～1: 10 at hydrogen phosphide cumene and propylene mol ratio, temperature of reaction is 50～100 ℃, reaction pressure is 1～5MPa, and the hydrogen phosphide cumene mass space velocity is 1～30 hour
-1Under the condition, reaction raw materials contacts with catalyzer and generates propylene oxide; Wherein used catalyzer is the HMS structure titanium silicon molecular sieve, prepares by the following method:
A) organosilicon source, inorganic silicon source, titanium source, organic formwork agent and water are mixed, each component mol ratio is in the raw material: the organosilicon source: the inorganic silicon source: titanium source: organic formwork agent: water=1: (1～30): (0.001～0.005): (0.01～0.05): (1～5); Mixture 30～70 ℃ stir 0.1～5 hour after, product after filtration, washing, dry, roasting, obtain precursor I; Wherein the inorganic silicon source is selected from least a in silicon sol, silicon ester or the solid oxidation silicon, and the organosilicon source is methyltrimethoxy silane; The titanium source is selected from TiCl
4, TiCl
3, TiOCl
2, TiOSO
4Or general formula is (R
2O)
4At least a in the organic titanate of Ti, wherein R
2Be the alkyl of 1～4 carbon atom, organic formwork agent is selected from C
10～C
20Primary amine;
B) under 50～400 ℃, take rare gas element as carrier gas, silylating reagent is passed in the precursor I, reacted 0.5～10 hour, obtain described HMS structure titanium silicon molecular sieve; Wherein, described silylating reagent is selected from least a in organosilane, Organosilyl amine, Organosilyl acid amides or the organosilazanes, and the weight ratio of silylating reagent and precursor I is 0.001～0.05.
2. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 1, it is characterized in that each component mol ratio of raw material is: organosilicon source: inorganic silicon source: titanium source: organic formwork agent: water=1: (2～19): (0.002～0.004): (0.02～0.04): (1.5～4.5).
3. described hydrogen phosphide cumene and the propylene reaction method of producing propylene oxide according to claim 1 is characterized in that described silylating reagent is selected from least a in organosilane or the organosilazanes.
4. according to claim 1 or 3 described hydrogen phosphide cumenes and the propylene reaction method of producing propylene oxide, it is characterized in that organosilane is selected from trimethylchlorosilane, dichlorodimethylsilane, one chlorine monobromo dimethylsilane, the nitrotrimethylolmethane methyl-monosilane, chlorotriethyl silane, dimethylbutyl iodine silane, at least a in 3,5-dimethylphenyl chlorosilane or the dimethyl chloride bromo-silicane, Organosilyl amine is selected from the N-trimethyl-silyl-imidazole, N-dimethylethylsilyl imidazoles, N-dimethyl sec.-propyl silyl imidazoles, N-trimethyl silyl dimethyl amine, N-trimethyl silyl diethylamide, at least a in N-trimethyl silyl pyrroles or the N-trimethyl silyl piperidines, the Organosilyl acid amides is selected from N, the two trimethyl silyl ethanamides of 0-, N, the two trimethyl silyl trifluoroacetamides of 0-, N-trimethyl silyl ethanamide, at least a in N-methyl-N-trimethyl silyl trifluoroacetamide or N-methyl-N-trimethyl silyl hexafluoro butyramide, organosilazanes is selected from hexamethyldisilazane, heptamethyldisilazane, 1,1,3, the 3-tetramethyl-disilazane, 1,3-divinyl-1,1,3, at least a in 3-tetramethyl-disilazane or 1, the 3-phenylbenzene tetramethyl-disilazane.
5. described hydrogen phosphide cumene and the propylene reaction method of producing propylene oxide according to claim 1 is characterized in that described organic formwork agent is selected from least a in hexadecylamine, octadecyl amine or the n-dodecylamine.
6. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 1, and the weight ratio that it is characterized in that silylating reagent and precursor I is 0.005～0.4.
7. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 1, it is characterized in that described rare gas element is nitrogen.
8. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 1, it is characterized in that step b) in, temperature of reaction is 80～300 ℃, the reaction times is 1～8 hour.
9. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 8, it is characterized in that step b) in, temperature of reaction is 100～250 ℃, the reaction times is 1.5～7 hours.
10. described hydrogen phosphide cumene and propylene react the method for producing propylene oxide according to claim 1, it is characterized in that hydrogen phosphide cumene and propylene mol ratio are 1: 1～1: 8, temperature of reaction is 50～90 ℃, reaction pressure is 1～3MPa, and the hydrogen phosphide cumene mass space velocity is 1～20 hour
-1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300422.7A CN103030612B (en) | 2011-09-29 | 2011-09-29 | Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110300422.7A CN103030612B (en) | 2011-09-29 | 2011-09-29 | Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103030612A true CN103030612A (en) | 2013-04-10 |
| CN103030612B CN103030612B (en) | 2014-11-26 |
Family
ID=48018060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300422.7A Active CN103030612B (en) | 2011-09-29 | 2011-09-29 | Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103030612B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230854A (en) * | 2013-06-17 | 2014-12-24 | 中国石油化工股份有限公司 | Cumyl hydroperoxide and propylene epoxidation method for preparing epoxypropane |
| CN104437618A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Catalyst for preparing epoxy propane from propene and preparation method and application thereof |
| CN104557781A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for producing propylene oxide |
| CN104557779A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Production method of epoxy propane |
| CN104557783A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for producing epoxypropane from cumene hydroperoxide and propylene |
| CN104557780A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Preparation method of epoxypropane |
| CN104844493A (en) * | 2015-04-01 | 2015-08-19 | 中石化上海工程有限公司 | Dicumyl peroxide (DCP) and propylene oxied (CHPPO) coproduction method |
| CN104437635B (en) * | 2013-09-24 | 2017-02-08 | 中国石油化工股份有限公司 | Catalyst for preparing epoxy propane and preparation method and application thereof |
| WO2018214931A1 (en) * | 2017-05-25 | 2018-11-29 | 万华化学集团股份有限公司 | Preparation method for olefin epoxidation catalyst and applications thereof |
| CN110270382A (en) * | 2018-03-13 | 2019-09-24 | 中国石油化工股份有限公司 | A kind of hydrogenation catalyst of hydrophobically modified and its preparation method and application |
| CN111097512A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Process for preparing propylene oxide |
| CN111318299A (en) * | 2018-12-14 | 2020-06-23 | 万华化学集团股份有限公司 | Modified molecular sieve catalyst and preparation method thereof, and preparation method of styrene oxide |
| CN114341122A (en) * | 2019-09-25 | 2022-04-12 | 住友化学株式会社 | Method for producing propylene oxide |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121523A (en) * | 2006-08-11 | 2008-02-13 | 中国石油化工股份有限公司 | Organic silicon micro-pore zeolite and synthesizing method thereof |
| CN101279960A (en) * | 2007-04-04 | 2008-10-08 | 中国石油化工股份有限公司 | Preparation of epoxide |
-
2011
- 2011-09-29 CN CN201110300422.7A patent/CN103030612B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101121523A (en) * | 2006-08-11 | 2008-02-13 | 中国石油化工股份有限公司 | Organic silicon micro-pore zeolite and synthesizing method thereof |
| CN101279960A (en) * | 2007-04-04 | 2008-10-08 | 中国石油化工股份有限公司 | Preparation of epoxide |
Non-Patent Citations (1)
| Title |
|---|
| 李学峰等: "硅烷化对Ti/HMS分子筛催化性能的影响", 《催化学报》, vol. 28, no. 6, 30 June 2007 (2007-06-30), pages 551 - 556 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104230854A (en) * | 2013-06-17 | 2014-12-24 | 中国石油化工股份有限公司 | Cumyl hydroperoxide and propylene epoxidation method for preparing epoxypropane |
| CN104437618A (en) * | 2013-09-24 | 2015-03-25 | 中国石油化工股份有限公司 | Catalyst for preparing epoxy propane from propene and preparation method and application thereof |
| CN104437618B (en) * | 2013-09-24 | 2017-06-20 | 中国石油化工股份有限公司 | Propylene prepares the catalyst of expoxy propane, preparation method and applications |
| CN104437635B (en) * | 2013-09-24 | 2017-02-08 | 中国石油化工股份有限公司 | Catalyst for preparing epoxy propane and preparation method and application thereof |
| CN104557783A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for producing epoxypropane from cumene hydroperoxide and propylene |
| CN104557780A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Preparation method of epoxypropane |
| CN104557779A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Production method of epoxy propane |
| CN104557781A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for producing propylene oxide |
| CN104844493A (en) * | 2015-04-01 | 2015-08-19 | 中石化上海工程有限公司 | Dicumyl peroxide (DCP) and propylene oxied (CHPPO) coproduction method |
| WO2018214931A1 (en) * | 2017-05-25 | 2018-11-29 | 万华化学集团股份有限公司 | Preparation method for olefin epoxidation catalyst and applications thereof |
| CN110270382A (en) * | 2018-03-13 | 2019-09-24 | 中国石油化工股份有限公司 | A kind of hydrogenation catalyst of hydrophobically modified and its preparation method and application |
| CN111097512A (en) * | 2018-10-25 | 2020-05-05 | 中国石油化工股份有限公司 | Process for preparing propylene oxide |
| CN111097512B (en) * | 2018-10-25 | 2023-05-02 | 中国石油化工股份有限公司 | Method for producing propylene oxide |
| CN111318299A (en) * | 2018-12-14 | 2020-06-23 | 万华化学集团股份有限公司 | Modified molecular sieve catalyst and preparation method thereof, and preparation method of styrene oxide |
| CN111318299B (en) * | 2018-12-14 | 2022-07-12 | 万华化学集团股份有限公司 | Modified molecular sieve catalyst and preparation method thereof, and preparation method of styrene oxide |
| CN114341122A (en) * | 2019-09-25 | 2022-04-12 | 住友化学株式会社 | Method for producing propylene oxide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103030612B (en) | 2014-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103030612B (en) | Method for producing epoxypropane through reaction between cumyl hydroperoxide and propylene | |
| CN103030611B (en) | Method for production of propylene oxide | |
| CN101348472B (en) | Method for preparing epoxide | |
| CN101279960B (en) | Preparation of epoxide | |
| CN102872847B (en) | Method for modifying titanium silicon oxide material | |
| Fraile et al. | Optimization of cyclohexene epoxidation with dilute hydrogen peroxide and silica-supported titanium catalysts | |
| CN1166562C (en) | Ti-Si molecular sieve modifying method | |
| CN1347340A (en) | Surface-modified mixed oxides contg. precious metal and titanium, for selective oxidation of hydrocarbons | |
| CN100369907C (en) | Method for producing epoxy propane | |
| CN101307039B (en) | Method for producing epoxide | |
| CN101972665A (en) | Styrene epoxidizing catalyst as well as preparation method and application thereof | |
| CN1133628C (en) | Sol-gel hybrid materials contg. precious metals as catalysts for partial oxidation of hydrocarbons | |
| CN102875496B (en) | Method for producing cyclohexene oxide by reacting cumyl hydroperoxide with cyclohexene | |
| KR20020059850A (en) | Catalysts Which are Based on Organic-Inorganic Hybrid Materials Containing Noble Metals and Titanium and Which are Used for Selectively Oxidizing Hydrocarbons | |
| Igarashi et al. | Direct organic functionalization of Ti–MCM-41: Synthesis condition, organic content, and catalytic activity | |
| CN101348473B (en) | Method for preparing epoxide | |
| CN102874835B (en) | Preparation method of HMS structured titanium silicalite molecular sieve | |
| CN104437636B (en) | Titaniferous porous silica Si catalyst, preparation method and its usage | |
| CN102875495B (en) | Method for producing cyclohexene oxide | |
| CN102807537B (en) | Method for preparing propylene oxide | |
| CN102887527A (en) | Ti-MCM-48 molecular sieve and modified Ti-MCM-48 molecular sieve and preparation method thereof | |
| US10017484B2 (en) | Catalysts containing specific titanium polymorphic forms | |
| CN101429176B (en) | Olefin hydrocarbon epoxidation method | |
| CN102807538A (en) | Method for preparing propylene oxide | |
| CN114950536B (en) | Preparation method of high-dispersion Co-MCM-41 mesoporous molecular sieve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |