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CN106349873B - Fire-retardant less toxic gap filler of a kind of bi-component epoxy base and preparation method thereof - Google Patents

Fire-retardant less toxic gap filler of a kind of bi-component epoxy base and preparation method thereof Download PDF

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CN106349873B
CN106349873B CN201610747062.8A CN201610747062A CN106349873B CN 106349873 B CN106349873 B CN 106349873B CN 201610747062 A CN201610747062 A CN 201610747062A CN 106349873 B CN106349873 B CN 106349873B
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gap filler
fire
less toxic
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CN106349873A (en
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王绪文
程伟
王兵
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725th Research Institute of CSIC
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/54Silicon-containing compounds
    • C08K5/544Silicon-containing compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2217Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224Magnesium hydroxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2227Oxides; Hydroxides of metals of aluminium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/38Boron-containing compounds
    • C08K2003/387Borates

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  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
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Abstract

A kind of fire-retardant less toxic gap filler of bi-component epoxy base, is related to ship waterway coating, is made of component A and B component, wherein component A includes following ingredient by weight:100 parts of phosphatized epoxy resin, 40 60 parts of oxyhydroxide, sour 40 60 parts of zinc compound, 35 parts of organo-silicon coupling agent, 12 parts of high wear-resistant carbon black, 10 20 parts of precipitated silica;B component includes following ingredient by weight:40 50 parts of Polyamines Curing Agents of Epoxy Resins, 30 8 10 parts of DMP;Component A and B component are when in use by weight 2:1 is mixed;The oxyhydroxide is any one of aluminium hydroxide and magnesium hydroxide, and sour zinc compound is any one of zinc borate and zinc stannate.The gap filler of the present invention disclosure satisfy that the performance requirement as ship waterway gap filler, have the Comprehensive Characteristics such as less toxic, fire-retardant, seawater corrosion resistance, Self-leveling.

Description

Fire-retardant less toxic gap filler of a kind of bi-component epoxy base and preparation method thereof
Technical field
The present invention relates to technical field of coatings, and in particular to a kind of bi-component epoxy base for ship waterway position hinders Less toxic gap filler of combustion and preparation method thereof.
Background technology
Ship is chronically in marine environment, and seawater corrosion is always a great problem for perplexing ship, and seawater and ocean are big Gas is more serious than land to hull steel corrosion of metal, if not taking effective safeguard procedures, will shorten the service life of ship. Ship normally in operation, will produce a large amount of recirculated cooling water and sewage, be rejected to outside hull by waterway, what is do not excluded follows Ring cooling water and sewage can remain in waterway, and to prevent to hull steel corrosion of metal, waterway is interior to brush gap filler, with The contact of insulating sea water and hull metal.Other than there is the requirement of seawater corrosion resistance to gap filler, due to application site Particularity, gap filler should also have the comprehensive performances such as less toxic, fire-retardant, Self-leveling, suppression cigarette.
Chinese patent(CN102674751)Disclose a kind of bi-component epoxy gap filler and preparation method thereof, including A, B two A component, wherein component A consists of the following compositions by weight percentage:Aqueous epoxy resins 13.5-33.5%, quartz sand 25.5-68.5%, propylene glycol 0.5-2.5%, glitter powder 1-5%, organosilicon levelling agent 1-5%, talcum powder 1-31%;B component is by weight Percentage consists of the following compositions:The weight ratio of aqueous epoxy curing agent 90-95%, phenol 5-10%, component A and B component is 10: 1-4.It is primarily adapted for use in the joint fillings such as mosaic or ceramic tile and decoration, does not have flame retarding function, is not suitable for filling out as peculiar to vessel Stitch agent.
Chinese patent(CN105255420)A kind of flame retardant epoxy clay for joint filling leak stopping is disclosed, by two component of A, B Composition, according to the mass fraction, component A:80-100 parts of epoxy resin, 4-15 parts of diluent, 50-100 parts of talcum powder, aluminium hydroxide 20-50 parts, 5-10 parts of gas-phase silica, 50-100 parts of silicon powder, 0.1-3 parts of pigment;B component:Epoxy curing agent 40- 100 parts, 20-50 parts of liquid flame retardant, 50-100 parts of talcum powder, 20-50 parts of aluminium hydroxide, 5-10 parts of gas-phase silica, silicon it is micro- 50-100 parts of powder, 0.1-3 parts of pigment.The patent is suitable for the industries such as building, machinery, containing fire retardant, has flame retardant effect, but Its open liquid flame retardant is tetrabromoethane, is polluted the environment, and the patent has a tack-free characteristic, viscosity compared with Greatly, it is unable to Self-leveling, therefore, which it is less toxic and Self-leveling to it to be unsatisfactory for ship since pollution environment and viscosity are excessive It is required that.
Chinese patent(CN105542694)A kind of two-component resin type elastic joint filling agent and preparation method thereof is disclosed, by Host component and curing component composition;Host component is made by the material mixing of following parts by weight:55-65 parts of epoxy resin;5- One or more mixtures in 10 parts of silica flours, talcum powder, titanium dioxide, alumina particulates;15-20 parts through epoxy-modified third Olefin(e) acid ester;5-10 parts contain(Methyl)Acrylate-based siloxanes;1-3 parts of hollow glass micropearls;1-3 parts of glass fibres;3-4 parts Stearic acid;The curing component is made by the material mixing of following parts by weight:30-40 parts of epoxy curing agents;3-5 parts of silane Coupling agent;2-4 parts of free radical photo-initiations.The patent is suitable for building trade, is free of harmful organic solvent, environmentally protective, But fire retardant is not contained, does not have flame retardant property.
The gap filler of the above patent solves the problems, such as joint filling to a certain extent, but is not suitable for being applied to ship, especially Its waterway position does not have less toxic, fire-retardant, seawater corrosion resistance, Self-leveling, the suppression comprehensive performances such as cigarette, do not meet ship for The requirement of gap filler.
Invention content
The object of the present invention is to provide fire-retardant less toxic gap filler of a kind of bi-component epoxy base and preparation method thereof, this gap fillers With the Comprehensive Characteristics such as solvent-free, less toxic, fire-retardant, seawater corrosion resistance, Self-leveling, suitable for the gap filler as ship waterway.
To achieve the above object, the technical scheme is that:The fire-retardant less toxic gap filler of a kind of bi-component epoxy base, by A Component and B component are constituted, wherein component A includes following ingredient by weight:100 parts of phosphatized epoxy resin, oxyhydroxide 40-60 parts, sour 40-60 parts of zinc compound, 3-5 parts of organo-silicon coupling agent, 1-2 parts of high wear-resistant carbon black, precipitated silica 10-20 Part;B component includes following ingredient by weight:40-50 parts of Polyamines Curing Agents of Epoxy Resins, 8-10 parts of DMP-30;Component A With B component when in use by weight 2:1 is mixed;
The oxyhydroxide is any one of aluminium hydroxide and magnesium hydroxide, and sour zinc compound is zinc borate and stannic acid Any one of zinc.
Further, the epoxide equivalent of the phosphatized epoxy resin is 330-370g/ep, phosphorus content 2-4%.
The organo-silicon coupling agent be gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether trimethoxy silane and Any one of aminopropyltriethoxysilane trimethoxy silane.
The particle size range of the high wear-resistant carbon black is 26-30nm.
The SiO of the precipitated silica2Content is 85% or more, average grain diameter 16-100nm, surface area 40-170m2/ g, Relative density 1.93-2.05.
The Polyamines Curing Agents of Epoxy Resins is any one of phenolic aldehyde amine T31, polyamide 6 51.
The preparation method of the fire-retardant less toxic gap filler of bi-component epoxy base of the present invention, includes the following steps:
(1), by above-mentioned parts by weight weigh each raw material, it is spare;
(2), component A preparation:By oxyhydroxide, sour zinc compound, high wear-resistant carbon black and precipitated silica in powder It is mixed in material dispersion machine, forms powder mixture;Phosphatized epoxy resin and organo-silicon coupling agent are stirred in blender, Mixing;Then above-mentioned powder mixture is put into blender, is stirred after infiltrating 10-12h;After stirring evenly, it will stir It mixes the material in machine and send to grinder and be ground, be ground to fineness and be less than 50 μm, barrelling obtains component A;
(3), B component preparation:Polyamines Curing Agents of Epoxy Resins and DMP-30 are stirred in blender, mixed, It stirs evenly rear barrelling and obtains B component;
(4), in use, by above-mentioned component A and B component by weight 2:1 is mixed, you can.
Advantageous effect:
Performance is as follows after tested for the fire-retardant less toxic gap filler of bi-component epoxy base of the present invention:Viscosity 20-40Pa.S(25℃), Surface drying time(25℃)1-2h does solid work the time(25℃):2-3h, adhesive strength >=6MPa, oxygen index (OI)(%)>=33, pernicious gas Concentration meets requirement of the ship to toxicity, smoke density(Nonflame)Sea water resistance is unchanged within≤100,40 days.This gap filler disclosure satisfy that As the performance requirement of ship waterway gap filler, that is, there are the Comprehensive Characteristics such as less toxic, fire-retardant, seawater corrosion resistance, Self-leveling.
The gap filler of the present invention has taken into account the comprehensive performance of gap filler, with hydrogen-oxygen using phosphatized epoxy resin as resin binder Compound and sour zinc compound improve flame retardant effect as synergistic fire retardant.
The gap filler of the present invention is solventless formulation, and no benzene class, halogen class compound have the characteristics that low toxicity.
In the gap filler of the present invention, solid powder additive amount is few, ensure that good Self-leveling feature.
Specific implementation mode
The preparation method of the fire-retardant less toxic gap filler of bi-component epoxy base of the present invention, detailed step are as follows:
(1), press each raw material proportioning of aforementioned gap filler, weigh each raw material, it is spare;
(2), resin Composition A preparation:By oxyhydroxide, sour zinc compound, high wear-resistant carbon black and precipitated silica It is mixed in powder lot dispersing machine, rotating speed of agitator 100-150r/min, decentralized processing 15-20min, forms powder mixing Material;Phosphatized epoxy resin and organo-silicon coupling agent are stirred in double planetary mixer, mixed, stirring slurry rotating speed 40-60r/ Min, incorporation time 40-60min;Powder mixture is put into blender, is stirred after infiltrating 10-12h, stirring slurry turns Fast 100-120r/min, mixing time 60-80min;After stirring evenly, stirring material is added in three-roll grinder and is ground Mill is ground to fineness on three-roll grinder and is less than 50 μm repeatedly, and barrelling obtains resin Composition A;
(3), curing agent component B preparation:Polyamines Curing Agents of Epoxy Resins and DMP-30 are carried out in double planetary mixer Stirring, mixing, stirring slurry rotating speed 40-60r/min, incorporation time 40-60min, after stirring evenly, barrelling obtains curing agent component B;
(4), in use, resin Composition A is mixed in proportion with curing agent component B, you can.
Embodiment 1
Prepare resin Composition A:It counts in parts by weight, weighs 40 parts of magnesium hydroxide, 60 parts of zinc borate, high wear-resistant carbon black respectively 2 parts, 10 parts of precipitated silica put into powder lot dispersing machine and are mixed, rotating speed of agitator 150r/min, decentralized processing 20min forms powder mixture;100 parts of phosphatized epoxy resin, 5 parts of aminopropyltriethoxysilane trimethoxy silane are stirred in double-planet It mixes in machine and is stirred, mixes, stirring slurry rotating speed 60r/min, incorporation time 60min;Powder mixture is put into blender In, it is stirred after infiltrating 12h, stirring slurry rotating speed 120r/min, mixing time 80min;After stirring evenly, stirring material is added Enter and be ground into three-roll grinder, it is 46 μm to be ground to fineness, and barrelling obtains resin Composition A.
Prepare curing agent component B:It counts in parts by weight, 40 parts of phenolic aldehyde amine T31,10 parts of DMP-30 is weighed respectively, double It is stirred, mixes in planetary mixer, stirring slurry rotating speed 60r/min, incorporation time 60min stir evenly rear barrelling and obtain Curing agent component B.
In use, resin Composition A and curing agent component B is pressed 2:1 weight ratio mixes to get to this gap filler.
Embodiment 2
Prepare resin Composition A:It counts in parts by weight, weighs 60 parts of aluminium hydroxide, 40 parts of zinc stannate, high wear-resistant carbon black respectively 1 part, 15 parts of precipitated silica put into powder lot dispersing machine and are mixed, rotating speed of agitator 100r/min, decentralized processing 15min forms powder mixture;100 parts of phosphatized epoxy resin, 3 parts of gamma-aminopropyl-triethoxy-silane are stirred in double-planet It is stirred, mixes in machine, stirring slurry rotating speed 40r/min, incorporation time 50min;Powder mixture is put into blender, It is stirred after infiltration 10h, stirring slurry rotating speed 100r/min, mixing time 60min;After stirring evenly, stirring material is added To being ground in three-roll grinder, it is 48 μm to be ground to fineness, and barrelling obtains resin Composition A.
Prepare curing agent component B:It counts in parts by weight, 51 50 parts of polyamide 6,8 parts of DMP-30 is weighed respectively, in duplicate rows It is stirred, mixes in star blender, stirring slurry rotating speed 40r/min, incorporation time 40min stir evenly rear barrelling and consolidated Agent component B.
In use, resin Composition A and curing agent component B is pressed 2:1 weight ratio mixes to get to this gap filler.
Embodiment 3
Prepare resin Composition A:It counts in parts by weight, weighs 50 parts of aluminium hydroxide, 50 parts of zinc borate, high wear-resistant carbon black respectively 1.5 parts, 20 parts of precipitated silica put into powder lot dispersing machine and are mixed, rotating speed of agitator 125r/min, decentralized processing 18min forms powder mixture;By 100 parts of phosphatized epoxy resin, γ -4 parts of glycidyl ether trimethoxy silane, double Planetary mixer is stirred, mixes, stirring slurry rotating speed 50r/min, incorporation time 40min;Powder mixture is put into and is stirred It mixes in machine, is stirred after infiltrating 11h, stirring slurry rotating speed 110r/min, mixing time 70min;After stirring evenly, by stirring thing Material, which is added in three-roll grinder, to be ground, and it is 45 μm to be ground to fineness, and barrelling obtains resin Composition A.
Prepare curing agent component B:It counts in parts by weight, weighs 51 45 parts of polyamide 6,9 parts of DMP-30 respectively in duplicate rows Star blender is stirred, mixes, and stirring slurry rotating speed 50r/min, incorporation time 50min stir evenly rear barrelling and cured Agent component B.
In use, resin Composition A and curing agent component B is pressed 2:1 weight ratio mixes to get to the joint filling of the present invention Agent.
The performance test results of gap filler made from the various embodiments described above are as follows:

Claims (6)

1. a kind of fire-retardant less toxic gap filler of bi-component epoxy base, it is characterised in that:It is made of component A and B component, wherein component A Include following ingredient by weight:100 parts of phosphatized epoxy resin, 40-60 parts of oxyhydroxide, sour 40-60 parts of zinc compound, 3-5 parts of organo-silicon coupling agent, 1-2 parts of high wear-resistant carbon black, 10-20 parts of precipitated silica;B component includes as follows by weight Ingredient:40-50 parts of Polyamines Curing Agents of Epoxy Resins, 8-10 parts of DMP-30;Component A and B component are when in use by weight 2:1 It is mixed;
The oxyhydroxide is any one of aluminium hydroxide and magnesium hydroxide, and sour zinc compound is in zinc borate and zinc stannate It is any;
The epoxide equivalent of the phosphatized epoxy resin is 330-370g/ep, phosphorus content 2-4%.
2. the fire-retardant less toxic gap filler of a kind of bi-component epoxy base as described in claim 1, it is characterised in that:The organosilicon is even Connection agent is gamma-aminopropyl-triethoxy-silane, γ-glycidyl ether trimethoxy silane and aminopropyltriethoxysilane trimethoxy silicon Any one of alkane.
3. the fire-retardant less toxic gap filler of a kind of bi-component epoxy base as described in claim 1, it is characterised in that:The high abrasion charcoal Black particle size range is 26-30nm.
4. the fire-retardant less toxic gap filler of a kind of bi-component epoxy base as described in claim 1, it is characterised in that:The precipitation method are white The SiO of carbon black2Content is 85% or more, average grain diameter 16-100nm, surface area 40-170m2/ g, relative density 1.93-2.05.
5. the fire-retardant less toxic gap filler of a kind of bi-component epoxy base as described in claim 1, it is characterised in that:The epoxy resin Amine curing agent is any one of phenolic aldehyde amine T31, polyamide 6 51.
6. a kind of preparation method of the fire-retardant less toxic gap filler of bi-component epoxy base as described in claim 1, it is characterised in that:Packet Include following steps:
(1), parts by weight as described in claim 1 weigh each raw material, spare;
(2), the preparation of component A:By oxyhydroxide, sour zinc compound, high wear-resistant carbon black and precipitated silica in powder point It dissipates and is mixed in machine, form powder mixture;Phosphatized epoxy resin and organo-silicon coupling agent are stirred in blender, is mixed It closes;Then above-mentioned powder mixture is put into blender, is stirred after infiltrating 10-12h;After stirring evenly, it will stir Material in machine, which is sent to grinder, to be ground, and is ground to fineness and is less than 50 μm, barrelling obtains component A;
(3), the preparation of B component:Polyamines Curing Agents of Epoxy Resins and DMP-30 are stirred in blender, mixed, is stirred Barrelling obtains B component after uniformly;
(4), in use, by above-mentioned component A and B component by weight 2:1 is mixed, you can.
CN201610747062.8A 2016-08-29 2016-08-29 Fire-retardant less toxic gap filler of a kind of bi-component epoxy base and preparation method thereof Active CN106349873B (en)

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CN101205129B (en) * 2007-12-19 2010-06-02 武汉工程大学 Two-component bisphenol A type epoxy resin cement for building joint filling and preparation method thereof
CN105255420A (en) * 2015-11-12 2016-01-20 三友(天津)高分子技术有限公司 Flame-retardant epoxy grout used for joint filling and leakage stopping

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