CN101423358A - Method for preparing high impact resistant epoxy resin mortar - Google Patents
Method for preparing high impact resistant epoxy resin mortar Download PDFInfo
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- CN101423358A CN101423358A CNA2008102030491A CN200810203049A CN101423358A CN 101423358 A CN101423358 A CN 101423358A CN A2008102030491 A CNA2008102030491 A CN A2008102030491A CN 200810203049 A CN200810203049 A CN 200810203049A CN 101423358 A CN101423358 A CN 101423358A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
- C04B40/0641—Mechanical separation of ingredients, e.g. accelerator in breakable microcapsules
- C04B40/065—Two or more component mortars
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/34—Non-shrinking or non-cracking materials
- C04B2111/343—Crack resistant materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of novel polymer based composite material processing, and in particular relates to a method for preparing high-impact epoxy mortar. The method comprises the following steps: firstly, blending polyurethane modified epoxy resin with quartz sand, diluents, thixotropic agents, fillers, plasticizers and pigments according to certain proportion, and then using a three-roll grinder to defoam the mixture to obtain a component A; and secondly, blending an amine curing agent with the quartz sand, the diluents, the thixotropic agents, the fillers and the pigments according to certain proportion at room temperature, and then using the three-roll grinder to defoam the mixture to obtain a component B. When the final epoxy mortar product is used in construction, according to requirements of construction conditions, the two components A and B are blended according to the proportion of between 1 to 2 and 1 to 5; and after being mixed evenly, the construction operations are carried out. The products blended according to the requirements of construction can be solidified at room temperature, can achieve the use strength after 12 to 32 hours, and can be solidified completely and achieve the maximum strength after 48 to 72 hours; besides, the solidified materials has good compression resisting strength, shearing resisting strength and impact resisting strength, can be widely applied to the fields of repairing and reinforcing cracks of bridges and houses, laying floorings, planting bars in construction, grouting and filling cracks and the like.
Description
Technical field
The invention belongs to new polymers based composites processing technique field, be specifically related to a kind of method of allocating a kind of epoxy mortar of preparation again with relevant auxiliary agent behind the polyurethane modified epoxy resin of utilizing.
Background technology
Resins, epoxy is a kind of high molecular polymer that contains epoxy group(ing), the liquid resin that forms by epoxy chloropropane and the polycondensation of diphenol propane, and what use as binding agent is low-molecular-weight resin.Resins, epoxy is a kind of amorphous thick liquid, does not have tangible fusing point, and the deliquescing of being heated is melted gradually and is clamminess, and is water insoluble.Epoxy mortar is meant the heterogeneous composite material of being made up of organic and inorganic materials, and its organic materials is the cured article that Resins, epoxy and solidifying agent reaction obtain, and plays cementation in mortar.Inorganic materials is an inert filler, as quartz sand, and silica powder etc.In order to optimize its performance, generally also to add various admixtures, as toughner, thinner, toning agent etc.Because epoxy mortar has intensity height, quick solidifying, wear-resisting, advantage such as adhesive property is good, make it be widely used in the repairing of dam, motorway, overpass and bridge.Utilize epoxy mortar to carry out reparation construction, not only make web member have high-adhesion energy, extraction-resistant behavior, anti-fatigue performance, and can reduce engineering time, quality product excellence, saving cost significantly.Yet at present the commercially available prod exists usually that viscosity is difficult for construction greatly, shrinking percentage is big, fragility is big and shortcoming such as shock resistance is not good, limits it to a certain extent and uses and popularization.
For solving the variety of issue that traditional epoxy mortar product exists in actual use, just need be to its material of main part---Resins, epoxy carries out modification, simultaneously relevant auxiliary agent is appropriately allocated, thereby is prepared high performance epoxy mortar.Urethane is the macromolecular material of a class excellent property, especially has the advantage of snappiness, high bonding force, is development in recent years one of macromolecular material rapidly.Urethane can combine in several ways with Resins, epoxy and be prepared into matrix material, and shows two kinds of superpolymer advantage separately.The isocyanate groups that contains in the urethane can carry out chemical reaction with epoxide group, permanent interting mutually of the polymer network that can form tangles and the formation polymer alloy, thereby realize the excellent compatibility of urethane and epoxy, so be the effective ways that improve the Resins, epoxy over-all properties by polyurethane modified epoxy resin.The bonding strength of the epoxy adhesive after polyurethane-modified is much larger than the intensity of concrete own, good reliability, and the viscosity of this glue is little, can be poured in the building cracks to go, and the operable time of this glue is long simultaneously, and easy handling has better market prospect.This patent uses the polyurethane modified epoxy technology exactly, obtain passing through nanometer enhancement techniques and the composite collaborative curing technology of multiple solidifying agent etc. again behind the modified resin, obviously promote the performance of at present commercially available homemade construction structure glue, meet or exceed the like product of import, therefore this project achievement has the market space widely, and the development to China's building industry simultaneously also is of great importance.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of high impact resistant epoxy resin mortar.
The preparation method of the high impact resistant epoxy resin mortar that the present invention proposes, concrete steps are as follows:
(1) polyurethane modified epoxy resin and quartz sand, thinner, thixotropic agent, filler, softening agent and pigment are allocated in proportion after, through the three-roll grinder deaeration, prepare the A component; In the A component, quartz sand is divided into two kinds, is respectively coarse sand and fine sand, and the coarse sand particles diameter is 0.5～3mm, and fine sand is that particle diameter is at 80～400 orders; The coarse sand mass fraction is 10～30%, the fine sand mass fraction is 30～50%, the thinner mass fraction is 1～5%, the thixotropic agent mass fraction is 0.1～2%, the packing quality umber is 10～20%, and the softening agent mass fraction is 0.1～3%, and the pigment massfraction is 0%～5%, all the other are polyurethane modified epoxy resin, and gross weight satisfies 100%;
(2) room temperature amine curing agent and quartz sand, thinner, thixotropic agent, filler and pigment are allocated in proportion after, obtain the B component through the three-roll grinder deaeration; In the B component, quartz sand is divided into two kinds, is respectively coarse sand and fine sand, and the coarse sand particles diameter is 0.5～3mm, fine sand be particle diameter at 80～400 orders, the coarse sand mass fraction is 5～10%, the fine sand mass fraction is 10～15%; The thinner mass fraction is 1%～5%, and the thixotropic agent mass fraction is 0.1～2%, and the packing quality umber is 40%～50%, and room temperature amine curing agent mass fraction is 20～30%, and all the other are pigment, and its gross weight satisfies 100%;
When (3) the epoxy mortar product is constructed, A and B two components need be concocted with the part by weight of 1:2～1:5, after mixing, carry out constructing operation by construction.
Among the present invention, described polyurethane modified epoxy resin can be bisphenol A-type E-44 or E-51 Resins, epoxy.
Among the present invention, thinner described in A component and the B component can be in butylglycidyl ether, phenyl glycidyl ether, tert.-butyl phenol glycidyl ether or the trimethylolpropane triglycidyl ether etc. one or more.
Among the present invention, thixotropic agent described in A component and the B component is in aerosil, organobentonite or the hydrogenated castor oil any.
Among the present invention, softening agent described in A component and the B component is in dioctyl phthalate (DOP) or the dibutyl phthalate one or more.
Among the present invention, filler described in A component and the B component is in lime carbonate, calcite or the talcum powder etc. any.
Among the present invention, described room temperature amine curing agent can be in diethylenetriamine, triethylene tetramine or the low molecular polyamides any.
The present invention can at room temperature be cured according to the product of construction needs allotment, can reach working strength after 12～32 hours, completely solidified reaches maximum strength after 48～72 hours, cured article has good resistance to compression, shearing resistance and resistance to impact shock, the crack that can be widely used in bridge, house is repaired and is reinforced, terrace is laid, fields such as building bar planting, grouting joint filling.
Beneficial effect of the present invention:
1, the epoxy mortar product that utilizes the inventive method to obtain, production method is simple and easy to do.The TOUGHENING MODIFICATION OF EPOXY RESINS means are easy to suitability for industrialized production, and product performance can keep stable, and can allocate according to the practice of construction condition, constructing operation is convenient.
2, the epoxy mortar product that utilizes the inventive method to obtain has resistance to compression preferably, slip resistance, good resistance to impact shock, good adhesiveproperties and weathering resistance, improved the big shortcoming of traditional epoxy mortar product fragility, the crack that can be widely used in bridge, house is repaired and is reinforced, terrace is laid, fields such as building bar planting, grouting joint filling.
Embodiment
Embodiment 1
Coarse sand 1000 restrains through adding in the polyurethane-modified E-44 Resins, epoxy at 1500 grams, fine sand 1500 grams, butylglycidyl ether 150 grams, aerosil 5 grams, dibutyl phthalate 5 grams, lime carbonate 840 grams and pigment are an amount of, and preparation obtains the A component after three roller runner millings remove bubble fully in mechanical stirrer; Simultaneously room temperature amine curing agent triethylene tetramine 800 gram and coarse sand 400 grams, fine sand 400 grams, butylglycidyl ether 80 grams, aerosil 8 grams, lime carbonate 2300 grams and pigment are obtained the B component through the deaeration of milling of mechanical stirring allotment and three rollers in right amount.When final epoxy mortar product is constructed, need get A and B two components by constructing, can be used for bar planting grouting with the mixing of 1:2 weight ratio.After testing, the fracture toughness property of ordinary epoxy resin is generally 150～300J/m
2The fracture toughness property of polyurethane modified epoxy resin is 1800J/m
2, polyurethane modified epoxy mortar impact property is brought up to 35 present～42MPa by 15 original～25MPa.
Embodiment 2
Coarse sand 600 restrains through adding in the polyurethane-modified E-51 Resins, epoxy at 1500 grams, fine sand 3000 grams, tert.-butyl phenol glycidyl ether 300 grams, dioctyl phthalate (DOP) 180 grams, wilkinite 120 grams, calcite 300 grams and pigment are an amount of, and preparation obtains the A component after three roller runner millings remove bubble fully in mechanical stirrer; Simultaneously room temperature amine curing agent diethylenetriamine 500 gram and coarse sand 500 grams, fine sand 750 grams, tert.-butyl phenol glycidyl ether 200 grams, wilkinite 50 grams, calcite 3000 grams and pigment are obtained the B component through the deaeration of milling of mechanical stirring allotment and three rollers in right amount.During final epoxy mortar product construction, after need getting A and B two components and mix by construction, can be used for joint filling, reinforcement and reinforcing with the 1:5 weight ratio.After testing, the fracture toughness property of ordinary epoxy resin is generally 150～300J/m
2The fracture toughness property of polyurethane modified epoxy resin is 1800J/m
2. polyurethane modified epoxy mortar impact property is brought up to 35 present～42MPa by 15 original～25MPa.
Embodiment 3
Coarse sand 650 restrains through adding in the polyurethane-modified E-44 Resins, epoxy at 1300 grams, fine sand 2600 grams, tert.-butyl phenol glycidyl ether 325 grams, hydrogenated castor oil 60 grams, dioctyl phthalate (DOP) 130 grams, calcite 1300 grams and pigment are an amount of, and preparation obtains the A component after three roller runner millings remove bubble fully in mechanical stirrer; Simultaneously room temperature amine curing agent low molecule pa resin 1000 gram and coarse sand 500 grams, fine sand 500 grams, tert.-butyl phenol glycidyl ether 150 grams, hydrogenated castor oil 100 grams, calcite 2750 grams and pigment are obtained the B component through the deaeration of milling of mechanical stirring allotment and three rollers in right amount.During final epoxy mortar product construction, after need getting A and B two components and mix with the 1:4 weight ratio by construction, it is bonding or be used to lay the high-impact terrace to can be used for structural part.After testing, the fracture toughness property of ordinary epoxy resin is generally 150～300J/m
2The fracture toughness property of polyurethane modified epoxy resin is 1800J/m
2. polyurethane modified epoxy mortar impact property is brought up to 35 present～42MPa by 15 original～25MPa.
Embodiment 4
Coarse sand 1000 restrains through adding in the polyurethane-modified E-51 Resins, epoxy at 1500 grams, fine sand 1500 grams, phenyl glycidyl ether 200 grams, aerosil 50 grams, dibutyl phthalate 100 grams, talcum powder 650 grams and pigment are an amount of, and preparation obtains the A component after three roller runner millings remove bubble fully in mechanical stirrer; Simultaneously room temperature amine curing agent triethylene tetramine 1500 gram and coarse sand 500 grams, fine sand 500 grams, phenyl glycidyl ether 50 grams, aerosil 50 grams, talcum powder 2900 grams and pigment are obtained the B component through the deaeration of milling of mechanical stirring allotment and three rollers in right amount.During final epoxy mortar product construction, after need getting A and B two components and mix by construction, can be used for the bonding and building cracks of structural part and reinforce with the 1:3 weight ratio.After testing, the fracture toughness property of ordinary epoxy resin is generally 150～300J/m
2The fracture toughness property of polyurethane modified epoxy resin is 1800J/m
2. polyurethane modified epoxy mortar impact property is brought up to 35 present～42MPa by 15 original～25MPa.
Embodiment 5
Coarse sand 700 restrains through adding in the polyurethane-modified E-44 Resins, epoxy at 2100 grams, fine sand 2800 grams, trimethylolpropane triglycidyl ether 280 grams, wilkinite 70 grams, dioctyl phthalate (DOP) 140 grams, lime carbonate 910 grams and pigment are an amount of, and preparation obtains the A component after three roller runner millings remove bubble fully in mechanical stirrer; Simultaneously room temperature amine curing agent low-molecular-weight polyamide resin 900 gram and coarse sand 150 grams, fine sand 450 grams, trimethylolpropane triglycidyl ether 120 grams, wilkinite 30 grams, calcite 1350 grams and pigment are obtained the B component through the deaeration of milling of mechanical stirring allotment and three rollers in right amount.During final epoxy mortar product construction, need get by construction after A and B two components mix with the 1:3 weight ratio good impact-resistance is arranged, bonding force is strong and weathering resistance, can be used for the erection construction of overpass and bridge.After testing, the fracture toughness property of ordinary epoxy resin is generally 150～300J/m
2The fracture toughness property of polyurethane modified epoxy resin is 1800J/m
2. polyurethane modified epoxy mortar impact property is brought up to 35 present～42MPa by 15 original～25MPa.
Claims (7)
1, a kind of preparation method of high impact resistant epoxy resin mortar is characterized in that concrete steps are as follows:
(1) polyurethane modified epoxy resin and quartz sand, thinner, thixotropic agent, filler, softening agent and pigment are allocated in proportion after, through the three-roll grinder deaeration, prepare the A component; In the A component, quartz sand is divided into two kinds, is respectively coarse sand and fine sand, and the coarse sand particles diameter is 0.5～3mm, and fine sand is that particle diameter is at 80～400 orders; The coarse sand mass fraction is 10～30%, the fine sand mass fraction is 30～50%, the thinner mass fraction is 1～5%, the thixotropic agent mass fraction is 0.1～2%, the packing quality umber is 10～20%, and the softening agent mass fraction is 0.1～3%, and the pigment massfraction is 0%～5%, all the other are polyurethane modified epoxy resin, and gross weight satisfies 100%;
(2) room temperature amine curing agent and quartz sand, thinner, thixotropic agent, filler and pigment are allocated in proportion after, obtain the B component through the three-roll grinder deaeration; In the B component, quartz sand is divided into two kinds, is respectively coarse sand and fine sand, and the coarse sand particles diameter is 0.5～3mm, fine sand be particle diameter at 80～400 orders, the coarse sand mass fraction is 5～10%, the fine sand mass fraction is 10～15%; The thinner mass fraction is 1%～5%, and the thixotropic agent mass fraction is 0.1～2%, and the packing quality umber is 40%～50%, and room temperature amine curing agent mass fraction is 20～30%, and all the other are pigment, and its gross weight satisfies 100%;
When (3) the epoxy mortar product is constructed, A and B two components need be concocted with the part by weight of 1:2～1:5, after mixing, carry out constructing operation by construction.
2, the preparation method of high impact resistant epoxy resin mortar according to claim 1 is characterized in that described polyurethane modified epoxy resin is bisphenol A-type E-44 or E-51 Resins, epoxy.
3, the preparation method of high impact resistant epoxy resin mortar according to claim 1 is characterized in that thinner described in A component and the B component is in butylglycidyl ether, phenyl glycidyl ether, tert.-butyl phenol glycidyl ether or the trimethylolpropane triglycidyl ether one or more.
4, the preparation method of high impact resistant epoxy resin mortar according to claim 1 is characterized in that thixotropic agent described in A component and the B component is in aerosil, organobentonite or the hydrogenated castor oil any.
5, the preparation method of high impact resistant epoxy resin mortar according to claim 1 is characterized in that softening agent described in A component and the B component is in dioctyl phthalate (DOP) or the dibutyl phthalate one or more.
6, the preparation method of high impact resistant epoxy resin mortar according to claim 1 is characterized in that filler described in A component and the B component is in lime carbonate, calcite or the talcum powder etc. any.
7, the preparation method of high impact resistant epoxy resin mortar according to claim 1, it is characterized in that described room temperature amine curing agent be in diethylenetriamine, triethylene tetramine or the low molecular polyamides any.
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| CNA2008102030491A CN101423358A (en) | 2008-11-20 | 2008-11-20 | Method for preparing high impact resistant epoxy resin mortar |
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| CNA2008102030491A CN101423358A (en) | 2008-11-20 | 2008-11-20 | Method for preparing high impact resistant epoxy resin mortar |
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| CN102030500A (en) * | 2010-11-10 | 2011-04-27 | 黄河水利委员会黄河水利科学研究院 | Composite resin silicon carbide mortar, preparation method thereof and abrasion-resistant method thereof |
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| CN102417337A (en) * | 2011-09-02 | 2012-04-18 | 中国石油化工股份有限公司 | Polyurethane modified epoxy resin grouting material |
| CN102604367A (en) * | 2012-03-06 | 2012-07-25 | 湖北省京珠高速公路管理处 | Epoxy-polyurethane blending grouting material used for road engineering maintenance |
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| CN106587725A (en) * | 2016-12-29 | 2017-04-26 | 濮阳市龙祥技术检测有限公司 | High-strength vibration reduction epoxy mortar used for large equipment foundation and preparation method thereof |
| CN107226639A (en) * | 2017-06-22 | 2017-10-03 | 合肥月煌新型装饰材料有限公司 | A kind of epoxy resin grouting material and preparation method thereof |
| CN109439171A (en) * | 2018-12-01 | 2019-03-08 | 金美云 | A kind of environment-friendly epoxy floor coatings and its preparation method and application |
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| CN111875288A (en) * | 2020-08-12 | 2020-11-03 | 长沙普照生化科技有限公司 | Erosion-resistant and corrosion-resistant ceramic resin mortar and preparation method thereof |
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2008
- 2008-11-20 CN CNA2008102030491A patent/CN101423358A/en active Pending
Cited By (35)
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