CN104558517A - Synthesis method of bisphenol A epoxy resin - Google Patents
Synthesis method of bisphenol A epoxy resin Download PDFInfo
- Publication number
- CN104558517A CN104558517A CN201410807565.0A CN201410807565A CN104558517A CN 104558517 A CN104558517 A CN 104558517A CN 201410807565 A CN201410807565 A CN 201410807565A CN 104558517 A CN104558517 A CN 104558517A
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- China
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- bisphenol
- sodium hydroxide
- epoxy resin
- toluene
- distilled water
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Abstract
The invention relates to a synthesis method of a bisphenol A epoxy resin. The bisphenol A epoxy resin is mainly prepared from hydrogenated bisphenol A, epoxy chloropropane, toluene and sodium hydroxide. The method comprises the following steps: sequentially adding hydrogenated bisphenol A, epoxy chloropropane, sodium hydroxide and toluene into a three-neck flask, heating and stirring; after the reaction is complete, adding distilled water to remove alkali, and continuing heating to 70 DEG C; adding a sodium hydroxide water solution, and stirring for 2-3 hours; washing with distilled water, and skimming until the pH value of the separated water layer is neutral; and distilling the filtrate at 100 DEG C, wherein the exhaust is evacuated in the condensation and deposition process. The synthesis method has the advantages of simple process, no byproduct and higher utilization ratio of the raw materials.
Description
Technical field
The present invention relates to chemical products working method field, particularly bisphenol A type epoxy resin synthetic method.
Background technology
Bisphenol A type epoxy resin is not double bond containing cycloaliphatic epoxy resin in a kind of molecule, there is good weatherability, electrical property is excellent, viscosity is low, packaging process is good, but current production method is comparatively complicated, middle byproduct is many, wastage of material is serious, the demand that market is a large amount of to bisphenol A type epoxy resin cannot be met, need a kind of simple bisphenol A type epoxy resin production and processing method.
Summary of the invention
The invention provides bisphenol A type epoxy resin synthetic method, synthetic method method simply, without byproduct, raw material availability improves.
Bisphenol A type epoxy resin synthetic method, raw material mainly contains: Hydrogenated Bisphenol A, epoxy chloropropane, toluene, sodium hydroxide, comprise the steps:
(1) in there-necked flask, Hydrogenated Bisphenol A, epoxy chloropropane, sodium hydroxide, toluene is added successively, heated and stirred;
(2) add distilled water after reacting completely except alkali, continue to be heated to 70 DEG C;
(3) add aqueous sodium hydroxide solution, stir 2 to 3 hours;
(4) separatory is washed with distilled water, until a point water-yielding stratum ph value is neutral;
(5) by filtrate 100 DEG C of distillations.Tail gas emptying in described condensation, deposition process.
The described aqueous sodium hydroxide solution that adds should carry out with when stirring under 70 DEG C of constant temperature.
Advantage of the present invention: synthetic method method of the present invention is simple, and saved equipment, middle production link produces without byproduct, raw material availability improves, and reduces production cost.
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.
Bisphenol A type epoxy resin synthetic method, raw material mainly contains: Hydrogenated Bisphenol A, epoxy chloropropane, toluene, sodium hydroxide, comprise the steps:
(1) in there-necked flask, Hydrogenated Bisphenol A, epoxy chloropropane, sodium hydroxide, toluene is added successively, heated and stirred;
(2) add distilled water after reacting completely except alkali, continue to be heated to 70 DEG C;
(3) add aqueous sodium hydroxide solution, stir 2 to 3 hours;
(4) separatory is washed with distilled water, until a point water-yielding stratum ph value is neutral;
(5) by filtrate 100 DEG C of distillations.Tail gas emptying in described condensation, deposition process.
The described aqueous sodium hydroxide solution that adds should carry out with when stirring under 70 DEG C of constant temperature.
Synthetic method method of the present invention is simple, and saved equipment, middle production link produces without byproduct, and raw material availability improves, and reduces production cost.
Claims (2)
1. bisphenol A type epoxy resin synthetic method, raw material mainly contains: Hydrogenated Bisphenol A, epoxy chloropropane, toluene, sodium hydroxide, it is characterized in that comprising the steps:
(1) in there-necked flask, Hydrogenated Bisphenol A, epoxy chloropropane, sodium hydroxide, toluene is added successively, heated and stirred;
(2) add distilled water after reacting completely except alkali, continue to be heated to 70 DEG C;
(3) add aqueous sodium hydroxide solution, stir 2 to 3 hours;
(4) separatory is washed with distilled water, until a point water-yielding stratum ph value is neutral;
(5) by filtrate 100 DEG C of distillations.
2. bisphenol A type epoxy resin synthetic method according to claim 1, is characterized in that: described in add aqueous sodium hydroxide solution and stir time should carry out under 70 DEG C of constant temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807565.0A CN104558517A (en) | 2014-12-23 | 2014-12-23 | Synthesis method of bisphenol A epoxy resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410807565.0A CN104558517A (en) | 2014-12-23 | 2014-12-23 | Synthesis method of bisphenol A epoxy resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104558517A true CN104558517A (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410807565.0A Pending CN104558517A (en) | 2014-12-23 | 2014-12-23 | Synthesis method of bisphenol A epoxy resin |
Country Status (1)
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| CN (1) | CN104558517A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111883A (en) * | 2018-06-26 | 2019-01-01 | 福建荣宏光电科技有限公司 | A kind of architectural engineering AB glue binder and its preparation process |
| CN111808496A (en) * | 2020-03-23 | 2020-10-23 | 南通鑫源电器制造有限公司 | Take electromagnetic shield to resist saline and alkaline corrosion's transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000204136A (en) * | 1999-01-14 | 2000-07-25 | Nippon Kayaku Co Ltd | Production of liquid epoxy resin |
| US6365708B1 (en) * | 1999-01-19 | 2002-04-02 | Cognis Corporation | Polyamines and coating compositions with enhanced resistance to yellowing |
| CN101367908A (en) * | 2008-10-07 | 2009-02-18 | 中昊晨光化工研究院 | Preparation method for hydrogenated bisphenol A epoxy resin |
| CN102766113A (en) * | 2012-08-03 | 2012-11-07 | 中国石油化工股份有限公司 | Preparation method of hydrogenated bisphenol A epoxy resin |
-
2014
- 2014-12-23 CN CN201410807565.0A patent/CN104558517A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000204136A (en) * | 1999-01-14 | 2000-07-25 | Nippon Kayaku Co Ltd | Production of liquid epoxy resin |
| US6365708B1 (en) * | 1999-01-19 | 2002-04-02 | Cognis Corporation | Polyamines and coating compositions with enhanced resistance to yellowing |
| CN101367908A (en) * | 2008-10-07 | 2009-02-18 | 中昊晨光化工研究院 | Preparation method for hydrogenated bisphenol A epoxy resin |
| CN102766113A (en) * | 2012-08-03 | 2012-11-07 | 中国石油化工股份有限公司 | Preparation method of hydrogenated bisphenol A epoxy resin |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111883A (en) * | 2018-06-26 | 2019-01-01 | 福建荣宏光电科技有限公司 | A kind of architectural engineering AB glue binder and its preparation process |
| CN111808496A (en) * | 2020-03-23 | 2020-10-23 | 南通鑫源电器制造有限公司 | Take electromagnetic shield to resist saline and alkaline corrosion's transformer |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |