CN206736140U - A kind of synthesizer of isobornyl acrylate - Google Patents
A kind of synthesizer of isobornyl acrylate Download PDFInfo
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- CN206736140U CN206736140U CN201720471880.XU CN201720471880U CN206736140U CN 206736140 U CN206736140 U CN 206736140U CN 201720471880 U CN201720471880 U CN 201720471880U CN 206736140 U CN206736140 U CN 206736140U
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- esterification
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Abstract
The utility model discloses a kind of synthesizer of isobornyl acrylate, including melt kettle, reaction kettle of the esterification, filter, first by flow container, reactive distillation kettle, fractionating column, condenser and second by flow container；Load the acrylic acid and a firpenes of question response in the thawing kettle, the charging aperture of the discharging opening connection reaction kettle of the esterification for melting kettle, the charging aperture of the discharging opening connection filter of the reaction kettle of the esterification, the lower sediment thing of the filter is delivered to first by flow container, the supernatant liquid of the filter is connected to reactive distillation kettle, the discharging opening of the reactive distillation kettle is connected to fractionating column, low boiling object is separated into condenser after fractionating column fractionation, and higher boiling object enters second by flow container after fractionating column fractionation.The utility model have chosen catalyst system that is cheap, easily reclaiming, compared with prior art, have the advantages that reaction condition is gentle, simple to operate, product purity is high, and conversion ratio is preferable, and environmental pollution is small.
Description
Technical field
It the utility model is related to a kind of isobornyl acrylate synthesis device, more particularly to a kind of isobomyl acrylate
The synthesizer of ester.
Background technology
Isobornyl acrylate english abbreviation is IBOA, and scientific name is acrylic acid 1,7,7- trimethyl-bicyclo [2.1.1] -2-
Heptyl ester, it is a kind of colourless transparent liquid, not soluble in water, vapour pressure is extremely low under normal temperature, and smell is gentle, is a kind of highly useful spy
Different monomer.
Because it has unique bridged cycloalkyl structure, the special physicochemical property of isobornyl acrylate is imparted：Low viscosity,
Higher boiling, low surface tension, high glass transition temperature, low colourity, high refractive index, hydrophobicity be good, with various kinds of resin, solvent, face
Filler compatibility is good, less toxic, nonflammable.And isobornyl acrylate is while film forming matter hardness is increased, can keep or
Increase film forming matter elasticity, and can improve polymer pass pool, vividness, adhesive force, levelability, rub resistance, it is ageing-resistant and
Anti-corrosive properties etc..So isobornyl acrylate is applied to manufacture various resins, coating, powdery paints, ink, adhesive etc.,
And application, printing, sedan limousine, motorcycle, computer, mobile phone, household electrical appliances, instrument and meter, CD, optical fiber, furniture,
Plate, glass ornaments, engineering plastics etc. are used widely.
Due to the unique performance of isobornyl acrylate and wide application field, its research and development turns into everybody competitively
The focus of research, and a direction got a good chance of with prospect of future development, good market prospect.
The production of isobornyl acrylate at present mainly have methyl acrylate and isoborneol alcohol carry out ester exchange, acrylic acid with
The solid firpene direct esterification of purifying.Cost is higher, and production is complicated.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of synthesis of isobornyl acrylate
Device, by reacting, separating, the process such as rectifying realize synthesis.
The utility model is achieved through the following technical solutions, and the utility model includes melting kettle, reaction kettle of the esterification, mistake
Filter, first are by flow container, reactive distillation kettle, fractionating column, condenser, second by flow container and vavuum pump；Load in the thawing kettle
The acrylic acid and a- firpenes of question response, the charging aperture of the discharging opening connection reaction kettle of the esterification for melting kettle, the esterification
The charging aperture of the discharging opening connection filter of kettle, the discharging opening of the reactive distillation kettle is connected to fractionating column, after fractionating column fractionation
Low boiling object is separated into condenser, and higher boiling object enters second by flow container after fractionating column fractionation, described first by
The outlet of flow container and condenser connects vavuum pump respectively；The filter includes filter frame and filtering tank, is set in the filter frame
There is screen pack, the filter frame is fastened on filtering tank, and the lower sediment thing of the filtering tank is delivered to first by flow container, described
The supernatant liquid of filtering tank is connected to reactive distillation kettle, and the filter frame is connected to reaction kettle of the esterification, and the reaction kettle of the esterification connects
It is connected to vavuum pump.
As one of preferred embodiment of the present utility model, there is catalyst inlet, the filtering in the reaction kettle of the esterification
Frame is connected to the catalyst inlet of reaction kettle of the esterification.Can negative pressure extracting filtering after catalyst reenter reaction kettle of the esterification.
As one of preferred embodiment of the present utility model, there is polymerization inhibitor entrance, the filtering in the reactive distillation kettle
Frame is connected to polymerization inhibitor entrance.Polymerization inhibitor after being filtered by negative pressure extracting reenters reactive distillation kettle.
The synthesizer also has delivery pump, and the delivery pump connects reaction kettle of the esterification and reactive distillation kettle respectively.Can
The liquid after rectification process is entered into reaction kettle of the esterification as raw material again to realize.
It is divided into front-end volatiles and thick finished product in the reactive distillation kettle after liquid distillation, the thick finished product is connected to fractionating column,
The front-end volatiles are connected to reaction kettle of the esterification.There are the complete acrylic acid of unreacted and a- firpenes in front-end volatiles, can be again introduced into
Reaction kettle of the esterification is reacted as raw material.
The reactive distillation kettle is negative reaction kettle, and the reactive distillation kettle operating pressure is 0.095MPa.
The synthesizer also has vavuum pump, and the vavuum pump connects first and exported by flow container and condenser respectively.
Reactant is exported.
The reactive distillation kettle is the reactor of belt stirrer.It can prevent that reaction temperature is too high.
The outer wall of the filter frame is provided with notch, is formed between the outer wall of the notch and filter frame for blocking
Hold the space at the top of filtering tank.It can replace and repair as needed filter frame.
The outer wall of the filter frame is provided with notch, and the notch is provided with internal thread, the outer wall of the filter frame
Provided with external screw thread.
The utility model has advantages below compared with prior art：The utility model have chosen catalysis that is cheap, easily reclaiming
Agent system, compared with prior art, gentle with reaction condition, simple to operate, product purity is high, and conversion ratio is preferable, to environment
Pollute the advantages that small.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of filter.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As depicted in figs. 1 and 2, the present embodiment includes melting kettle 1, reaction kettle of the esterification 2, filter 3, first by flow container 4, anti-
Rectifying still 5, fractionating column 6, condenser 7 and second are answered by flow container 8；It is described to melt the acrylic acid and a- pinanes for loading question response in kettle 1
Alkene, the charging aperture of the discharging opening connection reaction kettle of the esterification 2 for melting kettle 1, the discharging opening connection filtering of the reaction kettle of the esterification 2
The charging aperture of device 3, the discharging opening of the reactive distillation kettle 5 are connected to fractionating column 6, and low boiling object enters after fractionating column 6 is fractionated
Condenser 7 is separated, and higher boiling object enters second by flow container 8 after fractionating column 6 is fractionated；Described first by flow container 4 and condensation
The outlet of device 7 connects vavuum pump 10 respectively；The filter 3 includes filter frame 31 and filtering tank 32, is set in the filter frame 31
Have screen pack 33, the filter frame 31 is fastened on filtering tank 32, the lower sediment thing of the filtering tank 32 be delivered to first by
Flow container, the supernatant liquid of the filtering tank 32 are connected to reactive distillation kettle 5, and the filter frame 31 is connected to reaction kettle of the esterification 2, institute
State reaction kettle of the esterification 2 and be connected to vavuum pump 10.
There is catalyst inlet in the reaction kettle of the esterification 2.There is polymerization inhibitor entrance in the reactive distillation kettle 5.
The synthesizer also has delivery pump 9, and the delivery pump 9 connects reaction kettle of the esterification 2 and reactive distillation kettle respectively
5。
It is divided into front-end volatiles and thick finished product in the reactive distillation kettle 5 after liquid distillation, the thick finished product is connected to fractionating column
6, the front-end volatiles are connected to reaction kettle of the esterification 2.There are the complete acrylic acid of unreacted and a- firpenes in front-end volatiles, can enter again
Enter reaction kettle of the esterification 2 to be reacted as raw material.
The reactive distillation kettle 5 is negative reaction kettle, and the reactive distillation kettle operating pressure is 0.095MPa.
The synthesizer also has a vavuum pump 10, and the vavuum pump 10 connects first by flow container 4 and condenser 7 respectively
Outlet.Reactant is exported.
The reactive distillation kettle 5 is the reactor of belt stirrer.It can prevent that reaction temperature is too high.
The outer wall of the filter frame 31 of the present embodiment is provided with notch 34, the outer wall of the notch 34 and filter frame 31
Between form the space for the top of clamping filtering tank 32.It can replace and repair as needed filter frame 31.The present embodiment
Screen pack 33 is stainless (steel) wire, and the size of specific mesh and catalyst and polymerization inhibitor matches.
In other embodiment, the outer wall of filter frame 31 is provided with notch, and the notch is provided with internal thread, the mistake
The outer wall of filter frame 31 is provided with external screw thread.
The reaction thinking of the present embodiment is as follows：
Obtained using being refined after a- firpenes, acrylic acid direct esterification reaction.
Reaction kettle of the esterification 2 is put into after acrylic acid, a- firpenes are mixed, catalyst is then put into proportion, without outer solubilization
Esterification is directly carried out under the conditions of agent.The catalyst of the present embodiment can select solid acid or resin cation.
Reacted mixture is pumped to filter 3, the catalyst negative pressure after filtering is drawn back reaction kettle of the esterification 2 and followed
Ring set is used, and reactive distillation kettle 5 is delivered in the supernatant liquid part after filtering, and lower sediment thing delivers to first by flow container 4.
In rectifying still it is foreshot and finished product through rectifying by treated liquid and polymerization inhibitor, wherein foreshot passes through
Return after filter 3 and applied mechanically in reaction kettle of the esterification 2 as raw material, equally recycle polymerization inhibitor again.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. a kind of synthesizer of isobornyl acrylate, it is characterised in that including melting kettle, reaction kettle of the esterification, filter, the
One by flow container, reactive distillation kettle, fractionating column, condenser, second by flow container and vavuum pump；Load question response in the thawing kettle
Acrylic acid and a- firpenes, the charging aperture of the discharging opening connection reaction kettle of the esterification for melting kettle, the discharging of the reaction kettle of the esterification
The charging aperture of mouth connection filter, the discharging opening of the reactive distillation kettle are connected to fractionating column, low boilers after fractionating column fractionation
Body is separated into condenser, and higher boiling object enters second by flow container after fractionating column fractionation, and described first by flow container and cold
The outlet of condenser connects vavuum pump respectively；The filter includes filter frame and filtering tank, and screen pack is provided with the filter frame,
The filter frame is fastened on filtering tank, and the lower sediment thing of the filtering tank is delivered to first by flow container, the filtering tank
Supernatant liquid is connected to reactive distillation kettle, and the filter frame is connected to reaction kettle of the esterification, and the reaction kettle of the esterification is connected to vacuum
Pump.
A kind of 2. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the esterification
There is catalyst inlet, the filter frame is connected to the catalyst inlet of reaction kettle of the esterification in kettle.
A kind of 3. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the reactive distillation
There is polymerization inhibitor entrance, the filter frame is connected to polymerization inhibitor entrance in kettle.
A kind of 4. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the synthesizer
Also there is delivery pump, the delivery pump connects reaction kettle of the esterification and reactive distillation kettle respectively.
A kind of 5. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the reactive distillation
It is divided into front-end volatiles and thick finished product in kettle after liquid distillation, the thick finished product is connected to fractionating column, and the front-end volatiles are connected to esterification
Reactor.
A kind of 6. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the reactive distillation
Kettle is negative reaction kettle, and the reactive distillation kettle operating pressure is 0.095MPa.
A kind of 7. synthesizer of isobornyl acrylate according to claim 1, it is characterised in that the reactive distillation
Kettle is the reactor of belt stirrer.
8. the synthesizer of a kind of isobornyl acrylate according to claim 1, it is characterised in that the filter frame
Outer wall is provided with notch, is formed between the outer wall of the notch and filter frame for the space at the top of clamping filtering tank.
9. the synthesizer of a kind of isobornyl acrylate according to claim 1, it is characterised in that the filter frame
Outer wall is provided with notch, and the notch is provided with internal thread, and the outer wall of the filter frame is provided with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471880.XU CN206736140U (en) | 2017-05-02 | 2017-05-02 | A kind of synthesizer of isobornyl acrylate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471880.XU CN206736140U (en) | 2017-05-02 | 2017-05-02 | A kind of synthesizer of isobornyl acrylate |
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| CN206736140U true CN206736140U (en) | 2017-12-12 |
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| CN201720471880.XU Active CN206736140U (en) | 2017-05-02 | 2017-05-02 | A kind of synthesizer of isobornyl acrylate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094188A (en) * | 2020-08-27 | 2020-12-18 | 宁波南大光电材料有限公司 | Preparation method of isobornyl acrylate |
| CN114702387A (en) * | 2022-04-18 | 2022-07-05 | 江西美龙达新材料有限公司 | Isobornyl (meth) acrylate and process for its preparation |
| CN115108907A (en) * | 2022-05-24 | 2022-09-27 | 万华化学集团股份有限公司 | Method for synthesizing isobornyl acrylate by directly esterifying alpha-pinene |
-
2017
- 2017-05-02 CN CN201720471880.XU patent/CN206736140U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112094188A (en) * | 2020-08-27 | 2020-12-18 | 宁波南大光电材料有限公司 | Preparation method of isobornyl acrylate |
| CN114702387A (en) * | 2022-04-18 | 2022-07-05 | 江西美龙达新材料有限公司 | Isobornyl (meth) acrylate and process for its preparation |
| CN114702387B (en) * | 2022-04-18 | 2024-02-27 | 江西美龙达新材料有限公司 | Isobornyl (meth) acrylate and preparation method thereof |
| CN115108907A (en) * | 2022-05-24 | 2022-09-27 | 万华化学集团股份有限公司 | Method for synthesizing isobornyl acrylate by directly esterifying alpha-pinene |
| CN115108907B (en) * | 2022-05-24 | 2023-05-26 | 万华化学集团股份有限公司 | Method for synthesizing isobornyl acrylate by direct esterification of alpha-pinene |
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Address after: 245399 No. 10, Zhongwang Road, Huayang Town, Jixi County, Xuancheng City, Anhui Province Patentee after: Anhui Lixing New Material Co.,Ltd. Address before: No. 10, Zhongwang Road, Huayang Town, Jixi County, Xuancheng City, Anhui Province 245300 Patentee before: ANHUI LIXING CHEMICAL Co.,Ltd. |
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