CN112898537A - Modified cardanol type epoxy resin curing agent and preparation method thereof - Google Patents
Modified cardanol type epoxy resin curing agent and preparation method thereof Download PDFInfo
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- CN112898537A CN112898537A CN202110090175.6A CN202110090175A CN112898537A CN 112898537 A CN112898537 A CN 112898537A CN 202110090175 A CN202110090175 A CN 202110090175A CN 112898537 A CN112898537 A CN 112898537A
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- Prior art keywords
- curing agent
- epoxy resin
- cardanol
- modified
- parts
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- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 78
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 64
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 64
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical class OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 36
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims abstract description 31
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims abstract description 31
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims abstract description 31
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 claims abstract description 27
- 150000001412 amines Chemical class 0.000 claims abstract description 20
- -1 cardanol aldehyde amine Chemical class 0.000 claims abstract description 20
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004593 Epoxy Substances 0.000 claims abstract description 10
- 239000003607 modifier Substances 0.000 claims abstract description 10
- 235000019445 benzyl alcohol Nutrition 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000003085 diluting agent Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 12
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 9
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 6
- 239000004841 bisphenol A epoxy resin Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 claims description 3
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 3
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 238000001723 curing Methods 0.000 abstract description 57
- 230000002787 reinforcement Effects 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 abstract description 3
- 238000013035 low temperature curing Methods 0.000 abstract description 2
- 229960001124 trientine Drugs 0.000 description 6
- WGTDLPBPQKAPMN-MDZDMXLPSA-N 2-[2-[(e)-heptadec-8-enyl]-4,5-dihydroimidazol-1-yl]ethanol Chemical compound CCCCCCCC\C=C\CCCCCCCC1=NCCN1CCO WGTDLPBPQKAPMN-MDZDMXLPSA-N 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
-
- 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
- C08G59/50—Amines
- C08G59/56—Amines together with other curing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a modified cardanol type epoxy resin curing agent and a preparation method thereof, belonging to the field of low-temperature curing agents, wherein the epoxy resin curing agent comprises a cardanol aldehyde amine curing agent, a fatty amine modified curing agent and an accelerator; wherein the cardanol aldehyde amine curing agent comprises cardanol, formaldehyde and fatty amine A; the aliphatic amine modified curing agent comprises aliphatic amine B, an epoxy modifier and benzyl alcohol. The invention can quickly cure the epoxy resin in a low-temperature environment, can improve the strength and the rigidity, and is suitable for the fields of bonding reinforcement of concrete, ceramics and the like, waterproof repair reinforcement engineering of buildings and the like.
Description
Technical Field
The invention belongs to the technical field of low-temperature curing agents, and particularly relates to a modified cardanol type epoxy resin curing agent and a preparation method thereof.
Background
The epoxy resin is a high molecular polymer, has a molecular formula of (C11H12O3) n, and is a general name of a polymer containing more than two epoxy groups in a molecule. It is a polycondensation product of epichlorohydrin and bisphenol A or a polyol.
Among epoxy resin curing agents which can be used at low temperatures at present, cardanol curing agents have the disadvantages of large viscosity, poor rigidity, slow curing speed and the like although the cardanol curing agents have a certain market share.
Disclosure of Invention
The embodiment of the invention provides a modified cardanol type epoxy resin curing agent and a preparation method thereof, aiming at solving the problems in the background art.
The embodiment of the invention is realized by the following steps that the modified cardanol type epoxy resin curing agent comprises the following components in parts by mass:
62-68 parts of a cardanol amine curing agent;
28-33 parts of fatty amine modified curing agent;
2-5 parts of an accelerator;
the cardanol aldehyde amine curing agent comprises the following components in parts by mass:
55-62 parts of cardanol;
5-9 parts of formaldehyde;
28-33 parts of fatty amine A;
the aliphatic amine modified curing agent comprises the following components in parts by mass:
46-51 parts of fatty amine B;
39-45 parts of an epoxy modifier;
6-10 parts of benzyl alcohol.
Preferably, the accelerator comprises one or a mixture of two of DMP-30 and nonylphenol.
Preferably, the aliphatic amine a is any one of ethylenediamine, diethylenetriamine, triethylenetetramine and polyether amine 220 or a mixture of at least two of ethylenediamine, diethylenetriamine, triethylenetetramine and polyether amine 220.
Preferably, the fatty amine B comprises one or a mixture of two of diethylenetriamine and triethylene tetramine.
Preferably, the epoxy modifier comprises any one of E44 bisphenol A epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent or a mixture of at least two of E44 bisphenol A epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent.
A preparation method of a modified cardanol type epoxy resin curing agent is used for preparing the epoxy resin curing agent and comprises the following steps:
s1, adding a cardanol amine curing agent, a fatty amine modified curing agent and an accelerator into a three-neck flask with a stirrer in sequence;
s2, heating to 45-50 ℃, starting a stirrer to stir for 60min, and uniformly mixing the raw materials;
s3, cooling to below 40 ℃, discharging and packaging to obtain the epoxy resin curing agent.
Preferably, the preparation method of the cardanol aldehyde amine curing agent comprises the following steps:
s111, adding cardanol into a three-neck flask with a stirrer, controlling the temperature to be within a range of 50-55 ℃, and starting the stirrer to stir;
s112, dropwise adding aliphatic amine into a three-neck flask at the temperature of 50-55 ℃, wherein the dropwise adding time is 3 hours;
s123, continuously reacting for 1.5h at the temperature of 53-56 ℃;
s124, heating to 86-90 ℃, and adding formaldehyde into the flask in 2.5-3 hours for 3 times;
s125, after the addition of the formaldehyde is finished, controlling the temperature to be 90-93 ℃, and continuing to react for 2 hours;
and S126, cooling to below 40 ℃, and discharging to obtain the cardanol aldehyde amine curing agent.
Preferably, the preparation method of the fat modified curing agent comprises the following steps:
s121, adding aliphatic amine B and benzyl alcohol into a three-neck flask with a stirrer, controlling the temperature to be 30-35 ℃, and starting the stirrer to stir;
s122, dropwise adding an epoxy modifier within the temperature range of 30-35 ℃ for 2.5 hours;
s123, continuously reacting for 2 hours at the temperature of 35-40 ℃;
and S124, cooling to below 40 ℃, and discharging to obtain the fatty amine modified curing agent.
The invention can quickly cure the epoxy resin in a low-temperature environment, can improve the strength and the rigidity, and is suitable for the fields of bonding reinforcement of concrete, ceramics and the like, waterproof repair reinforcement engineering of buildings and the like.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a modified cardanol type epoxy resin curing agent, which comprises the following components in parts by mass:
62-68 parts of a cardanol amine curing agent;
28-33 parts of fatty amine modified curing agent;
2-5 parts of an accelerator;
the accelerator comprises one or a mixture of two of DMP-30 and nonyl phenol.
The cardanol aldehyde amine curing agent comprises the following components in parts by mass:
55-62 parts of cardanol;
5-9 parts of formaldehyde;
28-33 parts of fatty amine A;
the aliphatic amine A is any one of ethylenediamine, diethylenetriamine, triethylene tetramine and polyether amine 220 or a mixture of at least two components of ethylenediamine, diethylenetriamine, triethylene tetramine and polyether amine 220;
the cardanol is refined cardanol;
the formaldehyde is solid formaldehyde.
The aliphatic amine modified curing agent comprises the following components in parts by mass:
46-51 parts of fatty amine B;
39-45 parts of an epoxy modifier;
6-10 parts of benzyl alcohol;
the fatty amine B comprises one or a mixture of two of diethylenetriamine and triethylene tetramine;
the epoxy modifier comprises any one of E44 bisphenol A epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent or a mixture of at least two of E44 bisphenol A epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent;
the benzyl alcohol is industrial-grade benzyl alcohol.
The invention also provides a preparation method of the modified cardanol type epoxy resin curing agent, which is used for preparing the epoxy resin curing agent and comprises the following steps:
preparation of cardanol aldehyde amine curing agent: adding cardanol into a three-neck flask with a stirrer, controlling the temperature within the range of 50-55 ℃, and starting the stirrer to stir; at the temperature of 50-55 ℃, dropwise adding aliphatic amine into a three-neck flask for 3 h; continuously reacting for 1.5h at the temperature of 53-56 ℃; raising the temperature to 86-90 ℃, and adding formaldehyde into the flask in 2.5-3 hours for 3 times; after the addition of the formaldehyde is finished, controlling the temperature to be 90-93 ℃, and continuing to react for 2 hours; cooling to below 40 ℃, and discharging to obtain the cardanol aldehyde amine curing agent.
Preparing a fat modified curing agent: adding aliphatic amine B and benzyl alcohol into a three-neck flask with a stirrer, controlling the temperature at 30-35 ℃, and starting the stirrer to stir; dripping an epoxy modifier within the temperature range of 30-35 ℃ for 2.5 hours; continuously reacting for 2 hours at the temperature of 35-40 ℃; cooling to below 40 ℃, and discharging to obtain the fatty amine modified curing agent.
Preparation of epoxy resin curing agent: adding a cardanol amine curing agent, a fatty amine modified curing agent and an accelerator into a three-neck flask with a stirrer in sequence; heating to 45-50 deg.C, stirring with a stirrer for 60min to mix the raw materials uniformly; cooling to below 40 ℃, discharging and packaging to obtain the epoxy resin curing agent.
Example 1
63 g of cardanol amine curing agent, 32 g of aliphatic amine modified curing agent and 5 g of accelerator are sequentially added into a three-neck flask with stirring, the temperature is adjusted to be 45-50 ℃, stirring and mixing are carried out for 60 minutes, the temperature is reduced to 35-40 ℃, and discharging is carried out, so that the epoxy resin curing agent is prepared.
The epoxy resin curing agent and the epoxy resin are matched to be used at the temperature of 6 ℃, and the curing agent is cured within 125 minutes, and has certain bonding strength within 185 minutes.
Example 2
68 g of cardanol amine curing agent, 29 g of aliphatic amine modified curing agent and 3 g of accelerator are sequentially added into a three-neck flask with a stirrer, the temperature is adjusted to be 45-50 ℃, the mixture is stirred and mixed for 60 minutes, the temperature is reduced to 35-40 ℃, and the epoxy resin curing agent is obtained after discharging.
The epoxy resin curing agent and the epoxy resin are matched to be used at the temperature of 12 ℃, and the curing time is 70 minutes, and 135 minutes has certain bonding strength.
Example 3
65 g of cardanol amine curing agent, 31 g of aliphatic amine modified curing agent and 4 g of accelerator are sequentially added into a three-neck flask with stirring, the temperature is adjusted to be 45-50 ℃, stirring and mixing are carried out for 60 minutes, the temperature is reduced to 35-40 ℃, and discharging is carried out to obtain the epoxy resin curing agent.
The epoxy resin curing agent and the epoxy resin are matched to be used at the temperature of 4 ℃, and the curing agent is cured within 145 minutes, and has certain bonding strength within 230 minutes.
From the above table, the epoxy resin can be rapidly cured in a low-temperature environment, the strength and the rigidity can be improved, and the epoxy resin is suitable for the fields of bonding reinforcement of concrete, ceramics and the like, waterproof repair reinforcement engineering of buildings and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The modified cardanol type epoxy resin curing agent is characterized by comprising the following components in parts by mass:
62-68 parts of a cardanol amine curing agent;
28-33 parts of fatty amine modified curing agent;
2-5 parts of an accelerator;
the cardanol aldehyde amine curing agent comprises the following components in parts by mass:
55-62 parts of cardanol;
5-9 parts of formaldehyde;
28-33 parts of fatty amine A;
the aliphatic amine modified curing agent comprises the following components in parts by mass:
46-51 parts of fatty amine B;
39-45 parts of an epoxy modifier;
6-10 parts of benzyl alcohol.
2. The modified cardanol-type epoxy resin curing agent according to claim 1, wherein said accelerator comprises one or a mixture of two of DMP-30 and nonylphenol.
3. The modified cardanol type epoxy resin curing agent according to claim 1, wherein said aliphatic amine a is any one of ethylenediamine, diethylenetriamine, triethylenetetramine and polyetheramine 220 or a mixture of at least two of ethylenediamine, diethylenetriamine, triethylenetetramine and polyetheramine 220.
4. The modified cardanol-based epoxy resin curing agent according to claim 1, wherein said fatty amine B comprises one or a mixture of two of diethylenetriamine and triethylenetetramine.
5. The modified cardanol-type epoxy resin curing agent according to claim 1, wherein said epoxy modifier comprises any one of E44 bisphenol a epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent or a mixture of at least two of E44 bisphenol a epoxy resin, E51 epoxy resin, epoxy resin diluent, 501 epoxy resin and 622 epoxy resin reactive diluent.
6. A method for preparing a modified cardanol type epoxy resin curing agent, characterized in that the method is used for preparing the epoxy resin curing agent according to any one of claims 1 to 5, and comprises the following steps:
s1, adding a cardanol amine curing agent, a fatty amine modified curing agent and an accelerator into a three-neck flask with a stirrer in sequence;
s2, heating to 45-50 ℃, starting a stirrer to stir for 60min, and uniformly mixing the raw materials;
s3, cooling to below 40 ℃, discharging and packaging to obtain the epoxy resin curing agent.
7. The method for preparing the modified cardanol-type epoxy resin curing agent according to claim 6, wherein the preparation method of the cardanol aldehyde amine curing agent comprises the following steps:
s111, adding cardanol into a three-neck flask with a stirrer, controlling the temperature to be within a range of 50-55 ℃, and starting the stirrer to stir;
s112, dropwise adding aliphatic amine into a three-neck flask at the temperature of 50-55 ℃, wherein the dropwise adding time is 3 hours;
s123, continuously reacting for 1.5h at the temperature of 53-56 ℃;
s124, heating to 86-90 ℃, and adding formaldehyde into the flask in 2.5-3 hours for 3 times;
s125, after the addition of the formaldehyde is finished, controlling the temperature to be 90-93 ℃, and continuing to react for 2 hours;
and S126, cooling to below 40 ℃, and discharging to obtain the cardanol aldehyde amine curing agent.
8. The modified cardanol type epoxy resin curing agent and the preparation method thereof according to claim 6, wherein the preparation method of the fat modified curing agent comprises the following steps:
s121, adding aliphatic amine B and benzyl alcohol into a three-neck flask with a stirrer, controlling the temperature to be 30-35 ℃, and starting the stirrer to stir;
s122, dropwise adding an epoxy modifier within the temperature range of 30-35 ℃ for 2.5 hours;
s123, continuously reacting for 2 hours at the temperature of 35-40 ℃;
and S124, cooling to below 40 ℃, and discharging to obtain the fatty amine modified curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090175.6A CN112898537A (en) | 2021-01-22 | 2021-01-22 | Modified cardanol type epoxy resin curing agent and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110090175.6A CN112898537A (en) | 2021-01-22 | 2021-01-22 | Modified cardanol type epoxy resin curing agent and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112898537A true CN112898537A (en) | 2021-06-04 |
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| CN202110090175.6A Pending CN112898537A (en) | 2021-01-22 | 2021-01-22 | Modified cardanol type epoxy resin curing agent and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114524784A (en) * | 2022-02-18 | 2022-05-24 | 浙江万盛股份有限公司 | Preparation method of yellowing-resistant and high-corrosion-resistant cardanol epoxy curing agent |
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| CN101798379A (en) * | 2009-02-05 | 2010-08-11 | 魏庆梅 | Modified fatty amine curing agent |
| CN109762140A (en) * | 2018-12-11 | 2019-05-17 | 江苏凯伦建材股份有限公司 | A kind of curing agent composition of epoxy resin mortar and preparation method thereof |
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2021
- 2021-01-22 CN CN202110090175.6A patent/CN112898537A/en active Pending
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| CN101798379A (en) * | 2009-02-05 | 2010-08-11 | 魏庆梅 | Modified fatty amine curing agent |
| CN109762140A (en) * | 2018-12-11 | 2019-05-17 | 江苏凯伦建材股份有限公司 | A kind of curing agent composition of epoxy resin mortar and preparation method thereof |
| CN110128982A (en) * | 2019-04-01 | 2019-08-16 | 矽时代材料科技股份有限公司 | A kind of fast fixing structure glue of room temperature and preparation method thereof |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524784A (en) * | 2022-02-18 | 2022-05-24 | 浙江万盛股份有限公司 | Preparation method of yellowing-resistant and high-corrosion-resistant cardanol epoxy curing agent |
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Application publication date: 20210604 |