CN106975517A - A kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4 DI-tert-butylphenol compounds - Google Patents

A kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4 DI-tert-butylphenol compounds Download PDF

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Publication number
CN106975517A
CN106975517A CN201710341175.2A CN201710341175A CN106975517A CN 106975517 A CN106975517 A CN 106975517A CN 201710341175 A CN201710341175 A CN 201710341175A CN 106975517 A CN106975517 A CN 106975517A
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Prior art keywords
catalyst
solid acid
acid resin
tert
phenol
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CN201710341175.2A
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Chinese (zh)
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朱志荣
赵国庆
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Tongji University
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Tongji University
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J31/00Catalysts comprising hydrides, coordination complexes or organic compounds
    • B01J31/02Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
    • B01J31/06Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
    • B01J35/615
    • B01J35/635
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/11Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
    • C07C37/14Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms by addition reactions, i.e. reactions involving at least one carbon-to-carbon unsaturated bond
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/584Recycling of catalysts

Abstract

The present invention relates to the heterogeneous catalyst that a kind of green high-efficient synthesizes 2,4 DI-tert-butylphenol compounds, described catalytic type is high specific surface area porous solid acid resin catalyst.Using above-mentioned catalyst, using phenol and isobutene as reaction raw materials, production obtains 2,4 DI-tert-butylphenol compounds under the catalytic action of nontoxic green solid acid resin catalyst.The catalyst of the present invention instead of the clay catalyst in existing production, can repeatedly it be repeatedly circulated, and with long-life feature, significantly reduce production cost shared by catalyst, and greatly reduce clay catalyst it is disposable and produce solid waste, realize the greenization of production process.Meanwhile, the heterogeneous catalyst separation and recovery of 2,4 DI-tert-butylphenol compounds of synthesis provided by the present invention, recycle relatively simple, significantly reduce the disengaging time of existing clay catalyst, significantly improve production efficiency.

Description

A kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4- DI-tert-butylphenol compounds
Technical field
The present invention relates to the heterogeneous catalyst that a kind of green high-efficient synthesizes 2,4-DTBP, belong to chemical field.
Background technology
2,4-DTBP is important chemical intermediate, is widely used in natural rubber, plastic antioxidants, synthesis In terms of the preparation of rubber antioxidant, fuel stabilizer and dyestuff intermediate.At present, applied to catalysis of phenol and isobutanol or different The catalyst that butene reaction produces 2,4- DI-tert-butylphenol compounds mainly has sulfuric acid, perchloric acid, p-methyl benzenesulfonic acid, anhydrous tri-chlorination Aluminium, gama-alumina, atlapulgite etc..For example, China Patent Publication No. CN1935763A, publication date is March 28 in 2007 Day, a kind of entitled preparation method of 2,4-DTBP alkylation liquid, the invention uses montmorillonite class(Including activity Carclazyte)As catalyst, using phenol and isobutene as raw material, 2,4-DTBP alkylation liquid has been made at 70 ~ 90 DEG C. However, sulfuric acid, perchloric acid, p-methyl benzenesulfonic acid are big to equipment corrosion in above-mentioned catalyst, using with danger;Anhydrous three The selectivity of 2,4- DI-tert-butylphenol compounds is not high in aluminum chloride-catalyzed reaction;Reaction temperature needed for gama-alumina catalytic reaction It is higher, it is unfavorable for operation;Activated bauxite catalyst can not be recycled, and produce substantial amounts of discarded object, and separating treatment process is time-consuming It is laborious and easily cause pollution.
The content of the invention
A kind of green high-efficient is provided the invention aims to overcome the weak point of above-mentioned existing catalyst presence Synthesize the heterogeneous catalyst of 2,4- DI-tert-butylphenol compounds and its production method of 2,4- DI-tert-butylphenol compounds.What the present invention was provided urges Agent have separation simple, catalyst cost and production technology operating cost is relatively low, green high-efficient the features such as, meet green chemical industry Production theory.
The object of the invention can be achieved through the following technical solutions:
A kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4-DTBP, and the heterogeneous catalyst is to pass through expanding treatment High specific surface area porous solid acid resin catalyst particles, its specific surface area be 46 ~ 180 m2/ g, pore volume is up to 0.45 ~ 0.62 mL/g。
In the present invention, described solid acid resin catalyst is the sulfonation benzene by 5% ~ 10% nano-calcium carbonate expanding treatment Vinyl porous type resin solid acid catalyst particle.
The heterogeneous catalyst of green high-efficient synthesis 2,4- DI-tert-butylphenol compounds proposed by the present invention is used to prepare the uncles of 2,4- bis- The purposes of butylphenol, is concretely comprised the following steps:Fluidly it is added to after phenol is preheated in tank reactor, puts into solid Acid resin catalyst, stirring is passed through isobutene, and controlling reaction temperature is 70 ~ 120 DEG C, and reaction pressure is 0 ~ 1 MPa, works as isobutyl After alkene is passed through completely, reaction system insulation a period of time, after reaction terminates, catalyst is retained in a kettle., then by 2, 4- DI-tert-butylphenol compounds alkylation liquid is extruded;Wherein:The mol ratio 0.1 of phenol and isobutene:1~10:1, solid acid resin catalyst Mass ratio with phenol is 0.5:100~10:100.
In the present invention, phenol preheating refers to before phenol input that first preheated device is preheated to 70 ~ 90 DEG C, and phenol feeds intake completion Afterwards, 10 ~ 60 min are stirred with 70 ~ 150 r/min speed, solid acid resin catalyst is added afterwards.
In the present invention, the addition speed of isobutene raw material is 300 ~ 1000 kg/h.
In the present invention, reaction system soaking time is 10 ~ 120 min.
In the present invention, described solid acid resin catalyst can admittedly be filtered or be centrifuged by simple liquid many after recovery It is secondary recycle, and with stable in catalytic performance, long lifespan the characteristics of.
In the present invention, the removal process of described solid acid resin is handled without solvent, and direct plungeing into next secondary response makes With reuse number of times is up to 60 ~ 100 times.
The beneficial effects of the present invention are:
High specific surface area porous solid acid resin of the present invention preferably to prepare optimizes catalyst isobutyl as catalyst by changing Alkene puts into the parameters such as temperature and speed, catalyst amount, reaction temperature, simplifies production procedure, reduces catalyst and production Process operation cost so that the production technology of 2,4-DTBP alkylation liquid becomes green, economic, safe efficient.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1:
By 40wt% styrene monomers, 7wt% diallyl benzene crosslinking copolymerizations monomer, 3wt% azodiisobutyronitriles initiator, 8wt% Acetone esterification modification Nano-meter CaCO33Material, 12wt% toluene pore-foaming agent and 30wt% petroleum ether solvents are made into oil-phase solution A;With matter Amount compares 100:2:1.8 match somebody with somebody pure water, Arabic dispersant and iron oxide dispersant for aqueous phase solution B.Then by oil-phase solution A and Aqueous phase solution B is according to mass ratio 1:2.4 are mixed, and 6h is stirred vigorously at 80 DEG C, obtain containing modified porous nanometer material through filtering, washing The polymer microballoon of material;Then the method for use steam distillation removes pore-foaming agent and the monomer of residual at 95 DEG C, and incites somebody to action To porous resin body Archon in 2% hydrochloric acid 5 h are stirred at 50 DEG C, through washing, filtering, dry after obtain containing nano-pore Bulk resin microballoon.
It is 100 according to mass ratio:420:250:5 by nano-pore resin microsphere obtained above:Oleum:Two chloroethenes Alkane:Copper sulphate is well mixed, and 3 h are swelled at 50 DEG C, then heats to 120 DEG C of 5 h of reaction, and washing filtering removes excessive sulphur Acid, then dichloroethanes is removed at 60 DEG C through distilling, finally give styryl porous type resin solid acid catalyst particle.Institute The specific surface area for obtaining heterogeneous catalyst is 157 m2/ g, pore volume is up to 0.54 mL/g.
Embodiment 2:
2000kg phenol is fluidly dosed in tank reactor after 78 DEG C preheat, the gained of input embodiment 1 The kg of solid acid resin catalyst 30, stirs 20min.1790 kg isobutenes, reaction system setting are passed through with 800kg/h speed Temperature is 95 DEG C, and temperature uses high-speed circulating cooling water temperature when being higher than 95 DEG C.After isobutene is passed through completely, reaction system insulation 60 min.Reaction terminates, and catalyst is retained in a kettle., then 2,4-DTBP alkylation liquid is extruded, through dividing The content for analysing 2,4- DI-tert-butylphenol compounds is 70.65%.
Embodiment 3:
3000kg phenol is fluidly dosed in tank reactor after 78 DEG C preheat, the gained of input embodiment 1 The kg of solid acid resin catalyst 45, stirs 20min.3040 kg isobutenes, reaction system setting are passed through with 800kg/h speed Temperature is 97 DEG C, and temperature uses high-speed circulating cooling water temperature when being higher than 97 DEG C.After isobutene is passed through completely, reaction system insulation 30 min.Reaction terminates, and catalyst is retained in a kettle., then 2,4-DTBP alkylation liquid is extruded, through dividing The content for analysing 2,4- DI-tert-butylphenol compounds is 72.58%.
Embodiment 4:
3000kg phenol is fluidly dosed in tank reactor after 78 DEG C preheat, the gained of input embodiment 1 The kg of solid acid resin catalyst 45, stirs 20min.4050 kg isobutenes, reaction system setting are passed through with 800kg/h speed Temperature is 98 DEG C, and temperature uses high-speed circulating cooling water temperature when being higher than 98 DEG C.After isobutene is passed through completely, reaction system insulation 30 min.Reaction terminates, and catalyst is retained in a kettle., then 2,4-DTBP alkylation liquid is extruded, through dividing The content for analysing 2,4- DI-tert-butylphenol compounds is 76.93%.

Claims (8)

1. a kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4-DTBP, it is characterised in that:The heterogeneous catalyst For by the high specific surface area porous solid acid resin catalyst particles of expanding treatment, its specific surface area is 46 ~ 180 m2/ g, hole Hold up to 0.45 ~ 0.62 mL/g.
2. a kind of green high-efficient according to claim 1 synthesizes the heterogeneous catalyst of 2,4-DTBP, its feature It is:Described solid acid resin catalyst particles are sulfonated phenylethylene Quito by 5% ~ 10% nano-calcium carbonate expanding treatment Pass resin solid acid catalyst particle.
3. a kind of heterogeneous catalyst of green high-efficient synthesis 2,4- DI-tert-butylphenol compounds as claimed in claim 1 is used to prepare 2, The purposes of 4- DI-tert-butylphenol compounds, it is characterised in that concretely comprise the following steps:Autoclave is fluidly added to after phenol is preheated In reactor, solid acid resin catalyst is put into, stirring is passed through isobutene, and controlling reaction temperature is 70 ~ 120 DEG C, reaction pressure For 0 ~ 1 MPa, after isobutene is passed through completely, reaction system insulation a period of time, after reaction terminates, catalyst is retained in instead Answer in kettle, then extrude 2,4-DTBP alkylation liquid;Wherein:The mol ratio 0.1 of phenol and isobutene:1~10:1, The mass ratio of solid acid resin catalyst and phenol is 0.5:100~10:100.
4. purposes according to claim 3, it is characterised in that:Phenol preheating refers to first preheated device preheating before phenol input To 70 ~ 90 DEG C, after the completion of phenol feeds intake, 10 ~ 60 min are stirred with 70 ~ 150 r/min speed, solid acid resin is added afterwards Catalyst.
5. purposes according to claim 3, it is characterised in that:The addition speed of isobutene raw material is 300 ~ 1000 kg/h.
6. purposes according to claim 3, it is characterised in that:Reaction system soaking time is 10 ~ 120 min.
7. purposes according to claim 3, it is characterised in that:Described solid acid resin catalyst can pass through simple liquid Gu the characteristics of being recycled for multiple times after filtering or centrifugation recovery, and there is stable in catalytic performance, long lifespan.
8. purposes according to claim 3, it is characterised in that:The removal process of described solid acid resin without solvent at Reason, direct plunges into next secondary response and uses, and reuses number of times up to 60 ~ 100 times.
CN201710341175.2A 2017-05-16 2017-05-16 A kind of green high-efficient synthesizes the heterogeneous catalyst of 2,4 DI-tert-butylphenol compounds Pending CN106975517A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112574008A (en) * 2020-12-25 2021-03-30 南京晶典抗氧化技术研究院有限公司 Method for synthesizing 2, 6 di-tert-butylphenol by using environment-friendly heterogeneous catalyst

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1493555A (en) * 2002-07-17 2004-05-05 中国石油天然气集团公司 Refining method of 2,4-ditertiary butylphenol
CN1935763A (en) * 2006-10-20 2007-03-28 上海金海雅宝精细化工有限公司 Method for preparing 2,4-di-tert.-butyl phenol alkylating solution
WO2011069052A2 (en) * 2009-12-04 2011-06-09 Si Group, Inc. Process for producing a t-butyl phenol from a c4 raffinate stream
CN103611571A (en) * 2013-11-21 2014-03-05 同济大学 Preparation method of nano-pore resin solid acid for alkylation of butane and butylene
CN105618137A (en) * 2014-11-07 2016-06-01 江苏海普功能材料有限公司 Porous acidic resin catalyst, preparation method and applications thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1493555A (en) * 2002-07-17 2004-05-05 中国石油天然气集团公司 Refining method of 2,4-ditertiary butylphenol
CN1935763A (en) * 2006-10-20 2007-03-28 上海金海雅宝精细化工有限公司 Method for preparing 2,4-di-tert.-butyl phenol alkylating solution
WO2011069052A2 (en) * 2009-12-04 2011-06-09 Si Group, Inc. Process for producing a t-butyl phenol from a c4 raffinate stream
CN103611571A (en) * 2013-11-21 2014-03-05 同济大学 Preparation method of nano-pore resin solid acid for alkylation of butane and butylene
CN105618137A (en) * 2014-11-07 2016-06-01 江苏海普功能材料有限公司 Porous acidic resin catalyst, preparation method and applications thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112574008A (en) * 2020-12-25 2021-03-30 南京晶典抗氧化技术研究院有限公司 Method for synthesizing 2, 6 di-tert-butylphenol by using environment-friendly heterogeneous catalyst

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