CN104987494A - Industrial production method of epoxy resin - Google Patents
Industrial production method of epoxy resin Download PDFInfo
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- CN104987494A CN104987494A CN201510275109.0A CN201510275109A CN104987494A CN 104987494 A CN104987494 A CN 104987494A CN 201510275109 A CN201510275109 A CN 201510275109A CN 104987494 A CN104987494 A CN 104987494A
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Abstract
The invention relates to an industrial production method of epoxy resin. The method includes: introducing nitrogen into a reaction kettle, then adding BPA, adding ECH, then adding sodium hydroxide, when ECH reflux is stable, adding sodium carbonate, performing dehydration, conducting first removal of ECH, pumping crude resin into a wiped film evaporator to carry out second removal of ECH continuously, putting MIBK into a delicate kettle, transferring the coarse resin into the delicate kettle, adding soft water, then adding sodium carbonate, at the end conducting heat preservation at 86-88DEG C for 3h, adding MIBK, adding soft water, separating the bottom and a waste polymer, subjecting the waste polymer to pumping filtration and concentration, subjecting the wastewater to secondary settlement and treatment, pumping the resin liquid pump into a receiving groove, carrying out filtration by a filter, removing MIBK, mixing finished product resin in a mixing tank, and then conducting filtering again by a filter, thus obtaining the epoxy resin. The industrial production method of epoxy resin provided by the invention can improve the yield and quality of epoxy resin industrial production.
Description
Technical field
The present invention relates to chemical products working method field, particularly a kind of Epoxy Industry production method.
Background technology
Current China Epoxy Industry production unit falls behind, and Quality and yield is lower, along with the demand of expanding economy to epoxy resin is increasing, need a kind of can the processing method of the industrial seed output and quality of enhancing ring epoxy resins.
Summary of the invention
The invention provides a kind of Epoxy Industry production method, can the industrial seed output and quality of enhancing ring epoxy resins.
Technical scheme of the present invention is as follows: a kind of Epoxy Industry production method, comprises the steps:
(1) in reactor, pass into nitrogen, after for some time, add bis-phenol base propane;
(2) add ECH, open and stir, steam is warming up to 45 degree, then stops;
(3) add sodium hydroxide, be warming up to 60 degree, reactor is evacuated, and starts to stir;
(4) reactor is warming up to 63 degree, regulates vacuum pressure to 20Kpa, starts to add sodium carbonate when ECH reflux stabilizes;
(5) 70 degree are warmed up to, dehydration;
(6) one de-ECH, persistently overheating to 130 degree, material pumps into crude resin receiving tank;
(7) crude resin pumps into luwa evaporator and carries out two de-ECH continuously, MIBK is put into exquisite still, crude resin is proceeded to exquisite still, regulation system pressure, the ECH reclaimed is regained ECH storage tank;
(8) add soft water, then add sodium carbonate, 86 ~ 88 degree of lower insulations three hours after completing, add MIBK, add soft water, stir 15 minutes, static 30 minutes;
(9) be separated with useless polymers bottom, add appropriate soft water in triplicate, useless polymers suction filtration concentrates, secondary waste water sedimentation aftertreatment;
(10) resin liquid pumps into groove, passes through metre filter;
(11) de-MIBK;
(12) sold resin is in mixing in-tank mixing, is again filtered, complete after mixing by strainer.
Described evaporator outlet temperature controls not higher than 150 degree, and vacuum tightness is high.
Described de-MIBK adopts secondary scraped film evaporator desolventizing, and control temperature is 140 degree to 160 degree, pressure vacuum 20Kpa to 0.5Kpa.
Advantage of the present invention: the present invention can not produce toxic gas in process of production, technique is advanced, save energy, and transformation efficiency is high, and resource utilization is high, and production cost is low, and the seed output and quality that Epoxy Industry is produced all improves a lot.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.
A kind of Epoxy Industry production method, comprises the steps:
(1) in reactor, pass into nitrogen, after for some time, add bis-phenol base propane;
(2) add ECH, open and stir, steam is warming up to 45 degree, then stops;
(3) add sodium hydroxide, be warming up to 60 degree, reactor is evacuated, and starts to stir;
(4) reactor is warming up to 63 degree, regulates vacuum pressure to 20Kpa, starts to add sodium carbonate when ECH reflux stabilizes;
(5) 70 degree are warmed up to, dehydration;
(6) one de-ECH, persistently overheating to 130 degree, material pumps into crude resin receiving tank;
(7) crude resin pumps into luwa evaporator and carries out two de-ECH continuously, MIBK is put into exquisite still, crude resin is proceeded to exquisite still, regulation system pressure, the ECH reclaimed is regained ECH storage tank;
(8) add soft water, then add sodium carbonate, 86 ~ 88 degree of lower insulations three hours after completing, add MIBK, add soft water, stir 15 minutes, static 30 minutes;
(9) be separated with useless polymers bottom, add appropriate soft water in triplicate, useless polymers suction filtration concentrates, secondary waste water sedimentation aftertreatment;
(10) resin liquid pumps into groove, passes through metre filter;
(11) de-MIBK;
(12) sold resin is in mixing in-tank mixing, is again filtered, complete after mixing by strainer.
Described evaporator outlet temperature controls not higher than 150 degree, and vacuum tightness is high, and described de-MIBK adopts secondary scraped film evaporator desolventizing, and control temperature is 140 degree to 160 degree, pressure vacuum 20Kpa to 0.5Kpa.
The present invention needs the necessary equipment used to have: pre-reactor, reactor, refining kettle, reactant receiving tank, crude resin receiving tank, ECH vaporizer, MIBK vaporizer, pre-coating mixing tank, resin solution strainer, product strainer, finished product mixing tank.
The present invention can not produce toxic gas in process of production, and technique is advanced, save energy, and transformation efficiency is high, and resource utilization is high, and production cost is low, and the seed output and quality that Epoxy Industry is produced all improves a lot.
Claims (3)
1. an Epoxy Industry production method, is characterized in that comprising the steps:
(1) in reactor, pass into nitrogen, after for some time, add bis-phenol base propane;
(2) add ECH, open and stir, steam is warming up to 45 degree, then stops;
(3) add sodium hydroxide, be warming up to 60 degree, reactor is evacuated, and starts to stir;
(4) reactor is warming up to 63 degree, regulates vacuum pressure to 20Kpa, starts to add sodium carbonate when ECH reflux stabilizes;
(5) 70 degree are warmed up to, dehydration;
(6) one de-ECH, persistently overheating to 130 degree, material pumps into crude resin receiving tank;
(7) crude resin pumps into luwa evaporator and carries out two de-ECH continuously, MIBK is put into exquisite still, crude resin is proceeded to exquisite still, regulation system pressure, the ECH reclaimed is regained ECH storage tank;
(8) add soft water, then add sodium carbonate, 86 ~ 88 degree of lower insulations three hours after completing, add MIBK, add soft water, stir 15 minutes, static 30 minutes;
(9) be separated with useless polymers bottom, add appropriate soft water in triplicate, useless polymers suction filtration concentrates, secondary waste water sedimentation aftertreatment;
(10) resin liquid pumps into groove, passes through metre filter;
(11) de-MIBK;
(12) sold resin is in mixing in-tank mixing, is again filtered, complete after mixing by strainer.
2. a kind of epoxy resin of industry production method according to claim 1, is characterized in that: described evaporator outlet temperature controls not higher than 150 degree, and vacuum tightness is high.
3. a kind of Epoxy Industry production method according to claim 1, is characterized in that: described de-MIBK adopts secondary scraped film evaporator desolventizing, and control temperature is 140 degree to 160 degree, pressure vacuum 20Kpa to 0.5Kpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275109.0A CN104987494A (en) | 2015-05-27 | 2015-05-27 | Industrial production method of epoxy resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510275109.0A CN104987494A (en) | 2015-05-27 | 2015-05-27 | Industrial production method of epoxy resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104987494A true CN104987494A (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510275109.0A Pending CN104987494A (en) | 2015-05-27 | 2015-05-27 | Industrial production method of epoxy resin |
Country Status (1)
| Country | Link |
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| CN (1) | CN104987494A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806821A (en) * | 2018-12-27 | 2019-05-28 | 昆山市淀山湖宝波树脂涂料厂 | A kind of production equipment of epoxy resin |
| CN115282914A (en) * | 2022-08-12 | 2022-11-04 | 安徽匠星联创新材料科技有限公司 | Epoxy resin production process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544502A (en) * | 2003-11-11 | 2004-11-10 | 中国石化集团巴陵石油化工有限责任公 | Method for producing epoxy resin by using bisphenol A and epoxy chloropropane |
| CN1955208A (en) * | 2005-10-28 | 2007-05-02 | 中国石化集团巴陵石油化工有限责任公司 | Method for producing epoxy using bisphenol A and epoxychloropropane |
| CN102241806A (en) * | 2011-05-28 | 2011-11-16 | 徐州中研科技工业有限公司 | Cardanol epoxy resin |
| CN104130379A (en) * | 2014-07-22 | 2014-11-05 | 建滔(番禺南沙)石化有限公司 | Bisphenol A epoxy resin preparation method and product prepared therethrough |
-
2015
- 2015-05-27 CN CN201510275109.0A patent/CN104987494A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544502A (en) * | 2003-11-11 | 2004-11-10 | 中国石化集团巴陵石油化工有限责任公 | Method for producing epoxy resin by using bisphenol A and epoxy chloropropane |
| CN1955208A (en) * | 2005-10-28 | 2007-05-02 | 中国石化集团巴陵石油化工有限责任公司 | Method for producing epoxy using bisphenol A and epoxychloropropane |
| CN102241806A (en) * | 2011-05-28 | 2011-11-16 | 徐州中研科技工业有限公司 | Cardanol epoxy resin |
| CN104130379A (en) * | 2014-07-22 | 2014-11-05 | 建滔(番禺南沙)石化有限公司 | Bisphenol A epoxy resin preparation method and product prepared therethrough |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109806821A (en) * | 2018-12-27 | 2019-05-28 | 昆山市淀山湖宝波树脂涂料厂 | A kind of production equipment of epoxy resin |
| CN115282914A (en) * | 2022-08-12 | 2022-11-04 | 安徽匠星联创新材料科技有限公司 | Epoxy resin production process |
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Application publication date: 20151021 |
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