CN105801869A - Epoxy resin curing agent with good hydrophilic property - Google Patents
Epoxy resin curing agent with good hydrophilic property Download PDFInfo
- Publication number
- CN105801869A CN105801869A CN201610215065.7A CN201610215065A CN105801869A CN 105801869 A CN105801869 A CN 105801869A CN 201610215065 A CN201610215065 A CN 201610215065A CN 105801869 A CN105801869 A CN 105801869A
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- CN
- China
- Prior art keywords
- curing agent
- hydrophilic property
- polyethers
- good hydrophilic
- glycidyl ether
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/64—Amino alcohols
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
Abstract
The invention discloses an epoxy resin curing agent with a good hydrophilic property. The curing agent is prepared from components including polyether, bisphenol A epoxy resin, m-phenylenediamine, phenyl glycidyl ether, benzyl glycidyl ether and tin chloride. All the components are mixed and added, continuously react with bisphenol A epoxy resin and are terminated, and the epoxy resin curing agent with the good hydrophilic property is obtained. With the adoption of the scheme, the flexibility, shock resistance and adhesion of the epoxy resin curing agent with the good hydrophilic property are substantially improved, the hardness, glossiness and other properties of the curing agent are unchanged, raw materials of the epoxy resin curing agent are wide in source, the preparation method is simple and practical, and large-scale popularization and application can be performed.
Description
Technical field
The present invention relates to modified plastics plastic cement field, particularly relate to the epoxy curing agent of a kind of good hydrophilic property.
Background technology
Epoxy resin has the heat stability of excellence, chemical-resistant, insulating properties, and adhesive force is good, wearability is good, hardness is high, is widely used for the industrial circles such as coating, binding agent and composite.But epoxy resin itself will not solidify, only add firming agent, and carry out curing reaction under certain conditions, form three-dimensional network structure, just can present excellent performance.Therefore, firming agent is indispensable in the application of epoxy resin.
Existing frequently-used epoxy resin can use organic solvent in use, thus limiting epoxy resin large-scale application in the industry such as coating, binding agent, also environment can be had a negative impact, it is therefore desirable to epoxy resin has hydrophilic, it is necessary to the pliability of epoxy resin and adhesive force are good.
Summary of the invention
The technical problem that present invention mainly solves is to provide the epoxy curing agent of a kind of good hydrophilic property, and its pliability and adhesive force are greatly improved.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provide the epoxy curing agent of a kind of good hydrophilic property, including component have polyethers, bisphenol A epoxide resin, m-diaminobenzene., phenyl glycidyl ether, benzyl glycidyl ether, a butter of tin, described polyethers, described bisphenol A epoxide resin, described m-diaminobenzene., described phenyl glycidyl ether, described benzyl glycidyl ether, described butter of tin mol ratio be: 3-5:1:2-4:0.5-0.8:0.5-0.8:0.1-0.2；
The preparation method of the epoxy curing agent of described good hydrophilic property includes:
(1) in the mixture of polyethers and bisphenol A epoxide resin, add butter of tin, be obtained by reacting addition compound product；
(2) described addition compound product is mixed with m-diaminobenzene. proceed additive reaction again, obtain polyethers-epoxy resin-amine additives；
(3) mixture of described polyethers-epoxy resin-amine additives with phenyl glycidyl ether and benzyl glycidyl ether is carried out end capping reaction, obtain the epoxy curing agent of good hydrophilic property.
In a preferred embodiment of the present invention, the molecular weight of described polyethers is 1500-3500.
In a preferred embodiment of the present invention, described in step (1), the reaction temperature of reaction is 50-70 DEG C.
In a preferred embodiment of the present invention, described in step (1), the response time of reaction is 1-2 hour.
In a preferred embodiment of the present invention, described in step (2), the reaction temperature of reaction is 55-65 DEG C, and the response time is 1-2 hour.
In a preferred embodiment of the present invention, described in step (3), the reaction temperature of reaction is 75-85 DEG C, and the response time is 2-4 hour.
The invention has the beneficial effects as follows: the epoxy curing agent of the good hydrophilic property of the present invention, the pliability of described epoxy curing agent, resistance to impact and adhesive force are greatly improved, ensure that its performance such as hardness, glossiness is constant simultaneously, the raw material sources of described epoxy curing agent are extensive, preparation method is simple and practical, it is possible to carry out large-scale popularization and application.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one:
The epoxy curing agent of a kind of good hydrophilic property is provided, including component have polyethers 2000, bisphenol A epoxide resin, m-diaminobenzene., phenyl glycidyl ether, benzyl glycidyl ether, a butter of tin, described polyethers 2000, described bisphenol A epoxide resin, described m-diaminobenzene., described phenyl glycidyl ether, described benzyl glycidyl ether, described butter of tin mol ratio be: 3:1:4:0.5:0.8:0.2；
The preparation method of the epoxy curing agent of described good hydrophilic property includes:
(1) adding butter of tin in the mixture of polyethers 2000 and bisphenol A epoxide resin, be obtained by reacting addition compound product, the reaction temperature of described reaction is 50 DEG C, and the response time is 2 hours；
(2) being mixed with m-diaminobenzene. by described addition compound product and proceed additive reaction, obtain polyethers-epoxy resin-amine additives, additive reaction temperature is 65 DEG C, and the additive reaction time is 1 hour；
(3) mixture of described polyethers-epoxy resin-amine additives with phenyl glycidyl ether and benzyl glycidyl ether being carried out end capping reaction, obtain the epoxy curing agent of good hydrophilic property, end capping reaction temperature is 85 DEG C, and the end capping reaction time is 2 hours.
Embodiment two:
The epoxy curing agent of a kind of good hydrophilic property is provided, including component have polyethers 3000, bisphenol A epoxide resin, m-diaminobenzene., phenyl glycidyl ether, benzyl glycidyl ether, a butter of tin, described polyethers 3000, described bisphenol A epoxide resin, described m-diaminobenzene., described phenyl glycidyl ether, described benzyl glycidyl ether, described butter of tin mol ratio be: 5:1:2:0.8:0.5:0.1；
The preparation method of the epoxy curing agent of described good hydrophilic property includes:
(1) adding butter of tin in the mixture of polyethers 3000 and bisphenol A epoxide resin, be obtained by reacting addition compound product, the reaction temperature of described reaction is 70 DEG C, and the response time is 1 hour；
(2) being mixed with m-diaminobenzene. by described addition compound product and proceed additive reaction, obtain polyethers-epoxy resin-amine additives, additive reaction temperature is 55 DEG C, and the additive reaction time is 2 hours；
(3) mixture of described polyethers-epoxy resin-amine additives with phenyl glycidyl ether and benzyl glycidyl ether being carried out end capping reaction, obtain the epoxy curing agent of good hydrophilic property, end capping reaction temperature is 75 DEG C, and the end capping reaction time is 4 hours.
Embodiment three:
The epoxy curing agent of a kind of good hydrophilic property is provided, including component have polyethers 1500, bisphenol A epoxide resin, m-diaminobenzene., phenyl glycidyl ether, benzyl glycidyl ether, a butter of tin, described polyethers 1500, described bisphenol A epoxide resin, described m-diaminobenzene., described phenyl glycidyl ether, described benzyl glycidyl ether, described butter of tin mol ratio be: 4:1:3:0.7:0.6:0.15；
The preparation method of the epoxy curing agent of described good hydrophilic property includes:
(1) adding butter of tin in the mixture of polyethers 1500 and bisphenol A epoxide resin, be obtained by reacting addition compound product, the reaction temperature of described reaction is 60 DEG C, and the response time is 1.5 hours；
(2) being mixed with m-diaminobenzene. by described addition compound product and proceed additive reaction, obtain polyethers-epoxy resin-amine additives, additive reaction temperature is 60 DEG C, and the additive reaction time is 1.5 hours；
(3) mixture of described polyethers-epoxy resin-amine additives with phenyl glycidyl ether and benzyl glycidyl ether being carried out end capping reaction, obtain the epoxy curing agent of good hydrophilic property, end capping reaction temperature is 80 DEG C, and the end capping reaction time is 3 hours.
The invention has the beneficial effects as follows:
One, the pliability of described epoxy curing agent, resistance to impact and adhesive force are greatly improved, and ensure that its performance such as hardness, glossiness is constant simultaneously；
Two, the raw material sources of described epoxy curing agent are extensive, and preparation method is simple and practical, it is possible to carry out large-scale popularization and application.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical field, all in like manner include in the scope of patent protection of the present invention.
Claims (6)
1. the epoxy curing agent of a good hydrophilic property, it is characterized in that, including component have polyethers, bisphenol A epoxide resin, m-diaminobenzene., phenyl glycidyl ether, benzyl glycidyl ether, a butter of tin, described polyethers, described bisphenol A epoxide resin, described m-diaminobenzene., described phenyl glycidyl ether, described benzyl glycidyl ether, described butter of tin mol ratio be: 3-5:1:2-4:0.5-0.8:0.5-0.8:0.1-0.2；
The preparation method of the epoxy curing agent of described good hydrophilic property includes:
(1) in the mixture of polyethers and bisphenol A epoxide resin, add butter of tin, be obtained by reacting addition compound product；
(2) described addition compound product is mixed with m-diaminobenzene. proceed additive reaction again, obtain polyethers-epoxy resin-amine additives；
(3) mixture of described polyethers-epoxy resin-amine additives with phenyl glycidyl ether and benzyl glycidyl ether is carried out end capping reaction, obtain the epoxy curing agent of good hydrophilic property.
2. the epoxy curing agent of good hydrophilic property according to claim 1, it is characterised in that the molecular weight of described polyethers is 1500-3500.
3. polyethers 2000, polyethers 3000, polyethers 1500
The epoxy curing agent of good hydrophilic property according to claim 1, it is characterised in that described in step (1), the reaction temperature of reaction is 50-70 DEG C.
4. the epoxy curing agent of good hydrophilic property according to claim 1, it is characterised in that described in step (1), the response time of reaction is 1-2 hour.
5. the epoxy curing agent of good hydrophilic property according to claim 1, it is characterised in that described in step (2), the reaction temperature of reaction is 55-65 DEG C, and the response time is 1-2 hour.
6. the epoxy curing agent of good hydrophilic property according to claim 1, it is characterised in that described in step (3), the reaction temperature of reaction is 75-85 DEG C, and the response time is 2-4 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215065.7A CN105801869A (en) | 2016-04-08 | 2016-04-08 | Epoxy resin curing agent with good hydrophilic property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610215065.7A CN105801869A (en) | 2016-04-08 | 2016-04-08 | Epoxy resin curing agent with good hydrophilic property |
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| CN105801869A true CN105801869A (en) | 2016-07-27 |
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| CN201610215065.7A Pending CN105801869A (en) | 2016-04-08 | 2016-04-08 | Epoxy resin curing agent with good hydrophilic property |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115850664A (en) * | 2022-12-28 | 2023-03-28 | 浩力森涂料（上海）有限公司 | Preparation method and application of waterborne epoxy floor coating curing agent |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190800A (en) * | 2010-03-06 | 2011-09-21 | 中国石油化工集团公司 | Preparation method of nonionic waterborne epoxy curing agent |
| CN102250320A (en) * | 2011-05-27 | 2011-11-23 | 天津大学 | Preparation method of modified epoxy resin curing agent and epoxy varnish paint |
-
2016
- 2016-04-08 CN CN201610215065.7A patent/CN105801869A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102190800A (en) * | 2010-03-06 | 2011-09-21 | 中国石油化工集团公司 | Preparation method of nonionic waterborne epoxy curing agent |
| CN102250320A (en) * | 2011-05-27 | 2011-11-23 | 天津大学 | Preparation method of modified epoxy resin curing agent and epoxy varnish paint |
Non-Patent Citations (3)
| Title |
|---|
| 刘志远，等: ""非离子型水性环氧树脂固化剂的合成与性能研究"", 《涂料工业》 * |
| 周继亮，等: ""非离子型自乳化水性环氧固化剂的合成与性能"", 《高校化工工程学报》 * |
| 李永河，等: "《橡胶硫化技术》", 31 December 2012, 黄河水利出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115850664A (en) * | 2022-12-28 | 2023-03-28 | 浩力森涂料（上海）有限公司 | Preparation method and application of waterborne epoxy floor coating curing agent |
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Application publication date: 20160727 |
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