CN108676148A - A kind of epoxy curing agent and preparation method thereof applied to porous pavement material - Google Patents
A kind of epoxy curing agent and preparation method thereof applied to porous pavement material Download PDFInfo
- Publication number
- CN108676148A CN108676148A CN201810577872.2A CN201810577872A CN108676148A CN 108676148 A CN108676148 A CN 108676148A CN 201810577872 A CN201810577872 A CN 201810577872A CN 108676148 A CN108676148 A CN 108676148A
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- Prior art keywords
- curing agent
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- porous pavement
- epoxy curing
- pavement material
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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
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4014—Nitrogen containing compounds
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3228—Polyamines acyclic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5024—Polyethers having heteroatoms other than oxygen having nitrogen containing primary and/or secondary amino groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
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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)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of epoxy curing agents and preparation method thereof applied to porous pavement material, are related to resin curing agent technical field, are made of the raw material of following parts by weight：20 30 parts of diisocyanate, 40 50 parts of amino-polyether, 10 20 parts of polyamine chain extender, 10 20 parts of organic solvent.The present invention using diisocyanate, amino-polyether and polyamine chain extender synthesize it is highly branched, with amino-terminated prepolymer, it can be with epoxy resin curing reaction at room temperature, there is provided excellent flexibility, rub resistance degree and water penetration simultaneously, particle is not easily to fall off, water permeability is good, meets professional standard.
Description
Technical field：
The present invention relates to resin curing agent technical fields, and in particular to a kind of epoxy resin applied to porous pavement material
Curing agent and preparation method thereof.
Background technology：
Epoxy resin is a kind of important thermosetting resin, can be used as the resin base of adhesive, coating and composite material etc.
Body is widely used in the industry manufacture fields such as coating, machinery, electronics, communications and transportation.Epoxy resin must jointly make with curing agent
With just having practical value, therefore the structure of curing agent and quality will directly affect the application effect of epoxy resin.
In urban construction, ground pavement largely uses pitch, concrete, masonry, closing ground that moisture is caused to be difficult to down
It oozes, precipitation flows away from earth's surface, forms in " artificial desert " on ecology；Fluid-tight road surface lack to urban surface temperature,
Humidity regulation ability, earth's surface is easily dry, and moisture evaporation is fast after rain, and air humidity is big, muggy and oppressive, is formed on meteorology
" tropical island effect ".And porous pavement can solve this problem, due to gap structure, porous pavement and underground
It is " connection " that earth's surface aqueous vapor can permeate down quickly, is conducive to improve urban ecology, and environmental protection, section material.
Porous pavement is a kind of environmental environment-friendly concrete, existing certain intensity, and has certain permeable breathable.Mesh
Preceding existing porous pavement material exist wear no resistance, the caducous disadvantage of particle, and existing porous pavement exist mostly because
Its hydrated product meta-alkalescence, seep water earth's surface after be not suitable for plant growth.
Patent CN201510022060.8 discloses a kind of resin and pours into formula porous pavement material and preparation method thereof, described
Material includes matrix asphalt, aqueous epoxy resins, waterborne curing agent, toughener and diluent, and described matrix pitch is mixed
It includes coarse aggregate, fine aggregate, filler and high-viscosity modified asphalt to close material, and waterborne curing agent is waterborne curing agent HTW-208.It is aqueous
Curing agent HTW-208 is a kind of water-soluble amine curing agent, i.e., forms amine curing agent Water-borne modification.The patent is not directed to newly
Existing curing agent and epoxy resin are only used cooperatively so that porous pavement material is made by the synthesis of type curing agent.
Invention content：
It is simple and practicable and can significantly improve permeable technical problem to be solved by the present invention lies in a kind of preparation manipulation is provided
The epoxy curing agent and preparation method thereof applied to porous pavement material of performance.
The technical problems to be solved by the invention are realized using technical solution below：
A kind of epoxy curing agent applied to porous pavement material is made of the raw material of following parts by weight：
20-30 parts of diisocyanate, 40-50 parts of amino-polyether, 10-20 parts of polyamine chain extender, organic solvent 10-20
Part.
It is different that the diisocyanate is selected from 4,4'- methyl diphenylene diisocyanate MDI-100,2,4- diphenyl methanes two
One or both of the mixture M DI-50 of cyanate, 4,4'- methyl diphenylene diisocyanates.
The amino-polyether is selected from one or both of copolymerization ether diamine D-2000, D-4000, ED-600, ED-900.
The polyamine chain extender is selected from one or both of ethylenediamine, hexamethylene diamine, propylamine, butylamine.
The one kind of the organic solvent in N,N-dimethylformamide, acetone, butanone.
Above application includes the following steps in the preparation method of the epoxy curing agent of porous pavement material：
(1) diisocyanate and organic solvent are added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C of constant temperature baths and stirs
It mixes uniformly, amino-polyether is taken to be slowly added dropwise into bottle, stirred when being added dropwise, so that reaction system is cooled to -5~0 after reacting 1-3h
DEG C, obtain stable prepolymer；
(2) it takes polyamine chain extender to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
The beneficial effects of the invention are as follows：The present invention is synthesized high using diisocyanate, amino-polyether and polyamine chain extender
Spend it is branched, with amino-terminated prepolymer, while can be provided excellent flexible with epoxy resin curing reaction at room temperature
Property, rub resistance degree and water penetration, particle are not easily to fall off, and water permeability is good, meets professional standard.
Specific implementation mode：
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific embodiment is closed, the present invention is further explained.
Embodiment 1
Each raw material is weighed according to following proportionings.
The preparation of epoxy curing agent：
(1) diisocyanate MDI-100 and organic solvent DMF is added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C
It is stirred evenly in constant temperature bath, amino-polyether D-2000 is taken to be slowly added dropwise into bottle, stirred when being added dropwise, make reaction after reacting 1-3h
System cools to -5~0 DEG C, obtains stable prepolymer；
(2) it takes ethylenediamine and propylamine to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
Embodiment 2
Each raw material is weighed according to following proportionings.
The preparation of epoxy curing agent：
(1) diisocyanate MDI-100 and organic solvent DMF is added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C
It is stirred evenly in constant temperature bath, amino-polyether D-4000 is taken to be slowly added dropwise into bottle, stirred when being added dropwise, make reaction after reacting 1-3h
System cools to -5~0 DEG C, obtains stable prepolymer；
(2) it takes hexamethylene diamine and butylamine to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
Embodiment 3
Each raw material is weighed according to following proportionings.
The preparation of epoxy curing agent：
(1) diisocyanate MDI-50 and organic solvent-acetone are added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C
It is stirred evenly in constant temperature bath, amino-polyether ED-600 is taken to be slowly added dropwise into bottle, stirred when being added dropwise, make reaction after reacting 1-3h
System cools to -5~0 DEG C, obtains stable prepolymer；
(2) it takes ethylenediamine and propylamine to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
Embodiment 4
Each raw material is weighed according to following proportionings.
The preparation of epoxy curing agent：
(1) diisocyanate MDI-50 and organic solvent butanone are added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C
It is stirred evenly in constant temperature bath, amino-polyether ED-900 is taken to be slowly added dropwise into bottle, stirred when being added dropwise, make reaction after reacting 1-3h
System cools to -5~0 DEG C, obtains stable prepolymer；
(2) it takes propylamine and butylamine to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
Embodiment 5
It is utilized respectively embodiment 1-4 and prepares epoxy curing agent, and be arranged using polyetheramine D230 as epoxy resin and consolidate
The reference examples 1 of agent, using the made hydrophilic matrix tablets curing agent of patent CN201310365214.4 embodiments as asphalt mixtures modified by epoxy resin
The reference examples 2 of fat curing agent.
Each raw material is weighed to prepare construction of seepage pavement concrete according to table 1, and preparation process is：
(1) fine aggregate and filler are added into coarse aggregate, stirs evenly to get matrix mixture；
(2) epoxy curing agent, antifoaming agent, antioxidant and ultraviolet absorber are added into epoxy resin, stirring is equal
It is even to get auxiliary material mixture；
(3) auxiliary material mixture, red mill base and water are added into matrix mixture, stirs evenly to get concrete.
The stock chart of 1 construction of seepage pavement concrete of table
| Raw material | Dosage/kg |
| Coarse aggregate (basalt of nominal maximum aggregate size 16mm) | 80 |
| Fine aggregate (basalt of nominal maximum aggregate size 4.75mm) | 15 |
| Filler (limestone mineral powder) | 5 |
| Epoxy resin (epoxy resin HTW-609) | 5 |
| Epoxy curing agent | 20 |
| Red mill base | 3 |
| Antifoaming agent AGITAN P803 | 2 |
| Antioxidant 1010 | 2 |
| Ultraviolet absorber UV-1130 | 2 |
| Water | 15 |
The concrete of preparation is subjected to road surfacing, laying depth 30mm forms porous pavement after cured.
It is tested for the property to being formed by porous pavement, test result is as shown in table 2.
The performance test results of 2 porous pavement of table
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of epoxy curing agent applied to porous pavement material, which is characterized in that by the raw material system of following parts by weight
At：
20-30 parts of diisocyanate, 40-50 parts of amino-polyether, 10-20 parts of polyamine chain extender, 10-20 parts of organic solvent.
2. the epoxy curing agent according to claim 1 applied to porous pavement material, it is characterised in that：Described two
Isocyanates is selected from 4,4'- methyl diphenylene diisocyanate MDI-100,2,4- methyl diphenylene diisocyanate, 4,4'- bis-
One or both of mixture M DI-50 of methylenebis phenyl isocyanate.
3. the epoxy curing agent according to claim 1 applied to porous pavement material, it is characterised in that：The ammonia
Base polyethers is selected from one or both of copolymerization ether diamine D-2000, D-4000, ED-600, ED-900.
4. the epoxy curing agent according to claim 1 applied to porous pavement material, it is characterised in that：It is described more
First amine chainextender is selected from one or both of ethylenediamine, hexamethylene diamine, propylamine, butylamine.
5. the epoxy curing agent according to claim 1 applied to porous pavement material, it is characterised in that：It is described to have
The one kind of solvent in N,N-dimethylformamide, acetone, butanone.
6. the preparation side of the epoxy curing agent according to any one of claims 1-5 applied to porous pavement material
Method, which is characterized in that include the following steps：
(1) diisocyanate and organic solvent are added into the four-hole boiling flask of nitrogen protection, is placed in 10 DEG C of constant temperature baths and stirs
It is even, it takes amino-polyether to be slowly added dropwise into bottle, is stirred when being added dropwise, so that reaction system is cooled to -5~0 DEG C after reacting 1-3h, obtain
To stable prepolymer；
(2) it takes polyamine chain extender to be slowly added dropwise into reaction bulb, is stirred when being added dropwise, react 1-2h, be sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577872.2A CN108676148A (en) | 2018-06-07 | 2018-06-07 | A kind of epoxy curing agent and preparation method thereof applied to porous pavement material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810577872.2A CN108676148A (en) | 2018-06-07 | 2018-06-07 | A kind of epoxy curing agent and preparation method thereof applied to porous pavement material |
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| Publication Number | Publication Date |
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| CN108676148A true CN108676148A (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810577872.2A Pending CN108676148A (en) | 2018-06-07 | 2018-06-07 | A kind of epoxy curing agent and preparation method thereof applied to porous pavement material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116063903A (en) * | 2023-03-02 | 2023-05-05 | 石家庄市长安育才建材有限公司 | Wear-resistant epoxy floor coating and preparation method thereof |
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| CN102161857A (en) * | 2010-12-28 | 2011-08-24 | 中国海洋石油总公司 | Curing agent used for anti-corrosion paint of epoxy resin and preparation method thereof |
| CN103435781A (en) * | 2013-07-31 | 2013-12-11 | 江苏博特新材料有限公司 | Epoxy resin curing agent, and preparation method and application of epoxy resin curing agent |
| CN106046326A (en) * | 2016-07-27 | 2016-10-26 | 中科院广州化学有限公司南雄材料生产基地 | Epoxy resin water-permeable material curing agent and preparation method and application thereof |
-
2018
- 2018-06-07 CN CN201810577872.2A patent/CN108676148A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161857A (en) * | 2010-12-28 | 2011-08-24 | 中国海洋石油总公司 | Curing agent used for anti-corrosion paint of epoxy resin and preparation method thereof |
| CN103435781A (en) * | 2013-07-31 | 2013-12-11 | 江苏博特新材料有限公司 | Epoxy resin curing agent, and preparation method and application of epoxy resin curing agent |
| CN106046326A (en) * | 2016-07-27 | 2016-10-26 | 中科院广州化学有限公司南雄材料生产基地 | Epoxy resin water-permeable material curing agent and preparation method and application thereof |
Non-Patent Citations (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116063903A (en) * | 2023-03-02 | 2023-05-05 | 石家庄市长安育才建材有限公司 | Wear-resistant epoxy floor coating and preparation method thereof |
| CN116063903B (en) * | 2023-03-02 | 2024-05-07 | 石家庄市长安育才建材有限公司 | Wear-resistant epoxy floor coating and preparation method thereof |
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