CN107652857A - A kind of aqueous binders and its preparation method and application - Google Patents
A kind of aqueous binders and its preparation method and application Download PDFInfo
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- CN107652857A CN107652857A CN201710946244.2A CN201710946244A CN107652857A CN 107652857 A CN107652857 A CN 107652857A CN 201710946244 A CN201710946244 A CN 201710946244A CN 107652857 A CN107652857 A CN 107652857A
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- aqueous binders
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/002—Priming paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
Abstract
The present invention provides a kind of aqueous binders, and the aqueous binders include component A and component B, included according to the composition of component A described in mass parts meter：40~60 parts of water-borne epoxy acrylic emulsion, 22~48 parts of color stuffing, 1~2 part of film forming agent, 2~3 parts of auxiliary agent, 12~30 parts of water；Component B is the curing agent that mass parts are 3~4.5 parts.The aqueous binders are used for container priming paint; protective effect of the priming paint to casing integrality can be made identical with oil primer; wet adhesion; drawing adhesive force; tensile strength performance is excellent; it is good and green with the pot-life suitable with oiliness, salt spray resistance, while the existing rhythm of production of client is not reduced.
Description
Technical field
The invention belongs to binding agent field, is related to a kind of aqueous binders.
Background technology
Container ice chest binding agent is used between ground and thermal insulation foaming layer, it is possible to provide between ground and thermal insulation foaming layer
Good ply adhesion, and destroyed in casing, when water immerses heat-insulation layer, it can guarantee that foaming layer does not come off from casing.Collection at present
Vanning ice chest binding agent priming paint mainly has following three kinds of solutions：
(1) oiliness epoxy primer.Advantage：Extensive prolonged application, technical maturity is cheap, stable performance.Shortcoming：
Pollution is big, does not meet environmental requirement
(2) PUR.Advantage：Environmental protection, PUR stable performance, still, it is mostly import PUR to have application example, domestic
It is available for raw material few.Shortcoming：Import PUR is expensive, and high to equipment requirement, domestic PUR performance and construction technology are not
It is stable.
(3) aqueous priming paint.Advantage：Environmental protection, performance is suitable with oiliness PUR, quick-drying, does not change original production section substantially
Play.Shortcoming：Price is higher.
The A of CN 101386765 disclose a kind of epoxy primer and its application method, mainly by mian paint, curing agent and dilution
Three kinds of components of agent mix, mian paint: curing agent: diluent=6: 0.5~0.7: 2-3, weight ratio, and in mian paint, epoxy resin
Percentage by weight be 20.0-30.0%, the epoxide equivalent of epoxy resin is 400-600.The epoxy primer of the present invention can be such as
Excellent adhesive force is shown on the almag of carbon steel, stainless steel and more difficult attachment, adhesive force is more than 2.5KG/CM2,.But
For above-mentioned priming paint without rust resisting pigment, pollution is big, does not meet environmental requirement.
The A of CN 103805029 provide a kind of container inner face water-based anticorrosive paint and production method, including parts by weight are
Rutile type titanium white pigments R237, the parts by weight 20- that 50-60 water soluble acrylic acid epoxy modified resin, parts by weight are 5-10
30 antirust material aluminium triphosphate, parts by weight are 2-5 Ilspersant PE-100 nonionic surface active agent, parts by weight
The nonionic surfactant for being 1-5 for 0.5-l Alex F-252 anticorrosive mildewproofs bactericide, parts by weight
Ilydropalat3204, the Hydropalat100 dispersants that parts by weight are 5-10.Its object is to provide one kind to allow packaging
Case, ship, vehicle directly ship grain, food, medicine, clothing etc. and also do not interfere with health of human body, reduce the wave of packaging material
Take, reduce the container inner face water-based anticorrosive paint and production method of the energy resource consumption in transportation.But above-mentioned coating is single
Component System, drier, no modified zinc phosphate need to be used.
The A of CN 106010020 provide a kind of double-component aqueous acrylate epoxy resin hybridization coating, epoxy resin portion
Including：Acrylic acid epoxy hybridisation emulsion 35-55 parts；Titanium dioxide 5-10 parts；Zinc oxide 1-5 parts；Filler 20-35 parts；Attachment is made every effort to promote
Enter agent 0.1-1 parts；Auxiliary agent 1.1-2.5 parts；Water 1-11 parts；Curing agent part includes：Water-based 1~3 part of organic amine.By above-mentioned,
The present invention is made by the hybrid systems with acrylic emulsion and epoxy resin has rate of drying fast, and film forming is fine and close, high resistance to
Hou Xing, the excellent anticorrosive paint of salt spray resistance.But above-mentioned coating fails solve the problems, such as that wet adhesion is low.
With country and the raising of industry environmental requirement, container will be substituted with oil primer by water paint, therefore this project
A kind of aqueous binders are developed, with overcome the deficiencies in the prior art, for container priming paint.
The content of the invention
For technical problem present in prior art, the present invention provides a kind of aqueous binders, the aqueous binders
For container priming paint, protective effect of the priming paint to casing integrality can be made identical with oil primer, wet adhesion, drawn
Adhesive force is pulled out, tensile strength performance is excellent, good and green with the pot-life suitable with oiliness, salt spray resistance, simultaneously
The existing rhythm of production of client is not reduced.
To reach above-mentioned purpose, the present invention uses following technical scheme：
It is an object of the present invention to provide a kind of aqueous binders, the aqueous binders include component A and component B,
Composition according to component A described in mass parts meter includes：
Component B is the curing agent that mass parts are 3~4.5 parts.
Wherein, the mass parts of the water-borne epoxy acrylic emulsion can be 40 parts, 42 parts, 45 parts, 48 parts, 50 parts, 52
Part, 55 parts, 58 parts or 60 parts etc., the mass parts of the color stuffing can be 22 parts, 23 parts, 25 parts, 28 parts, 30 parts, 32 parts, 35
Part, 38 parts, 40 parts, 42 parts, 45 parts or 48 parts etc., the mass parts of the film forming agent can be 1 part, 1.1 parts, 1.2 parts, 1.3 parts,
1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts or 2 parts etc., the mass parts of the auxiliary agent can be 2 parts, 2.1 parts,
2.2 parts, 2.3 parts, 2.4 parts, 2.5 parts, 2.6 parts, 2.7 parts, 2.8 parts, 2.9 parts or 3 parts etc., the mass parts of the water can be 12
Part, 13 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts or 30 parts etc., the mass parts of curing agent can be 3 parts, 3.1 parts,
3.2 parts, 3.5 parts, 3.8 parts, 4.0 parts, 4.2 parts or 4.5 parts etc., it is not limited to cited numerical value, above-mentioned each numerical value model
Other unrequited numerical value are equally applicable in enclosing.
As currently preferred technical scheme, the water-borne epoxy acrylic emulsion is the nucleocapsid for including stratum nucleare and shell
Structure.
Preferably, the shell is acrylic emulsion particle.
Preferably, the stratum nucleare is epoxy resin.
Preferably, the epoxide equivalent of the epoxy resin be 800~1400, such as 800,900,1000,1100,1200,
1300 or 1400 etc., it is not limited to cited numerical value, other interior unrequited numerical value of the number range are equally applicable.
Wherein, epoxide equivalent is defined as：Amount of resin (gram/equivalent) containing an epoxy radicals, the i.e. average mark of epoxy resin
The value of epoxy radicals quantity contained by son amount divided by each molecule.
As currently preferred technical scheme, the color stuffing includes titanium dioxide, mica powder and rust resisting pigment.
As currently preferred technical scheme, the color stuffing includes iron oxide red, mica iron oxide red, aluminium powder, glass flake, chromium
In hydrochlorate or phosphate any one or at least two combination, it is described combination typical case but non-limiting examples have：Iron oxide red and
The combination of mica iron oxide red, the combination of mica iron oxide red and aluminium powder, the combination of aluminium powder and glass flake, the group of glass flake and chromate
Close, chromate and phosphatic combination or the combination etc. of mica iron oxide red, aluminium powder and glass flake.
Preferably, the mass parts of the rust resisting pigment be 10~18 parts, such as 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15
Part, 16 parts, 17 parts or 18 parts etc., it is not limited to cited numerical value, other unrequited numerical value are same in the number range
Sample is applicable.
Preferably, the mass parts of the titanium dioxide be 10~20 parts, such as 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts,
16 parts, 17 parts, 18 parts, 19 parts or 20 parts etc., it is not limited to cited numerical value, other are unrequited in the number range
Numerical value is equally applicable.
Preferably, the mass parts of the mica powder are 2~10 parts, such as 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts
Or 10 parts etc., it is not limited to cited numerical value, other interior unrequited numerical value of the number range are equally applicable.
As currently preferred technical scheme, the film forming agent includes alcohols film forming agent, alkoxide film forming agent, alcohol ethers
The combination of any one or at least two pairs in film forming agent or alcohol ether esters film forming agent, the combination is typical but non-limiting reality
Example has：The combination of alcohols film forming agent and alkoxide film forming agent, the combination of alkoxide film forming agent and alcohol ethers film forming agent, alcohol ethers into
The combination of film and alcohol ether esters film forming agent, the combination of alcohol ether esters film forming agent and alcohols film forming agent or alcohols film forming agent, alcohol ester
The combination of class film forming agent and alcohol ethers film forming agent
Preferably, the alcohols film forming agent includes any one in phenmethylol, benzyl carbinol or terephthalyl alcohol or at least two
The combination of kind, the combination is typical but non-limiting examples have：Combination, benzyl carbinol and the terephthalyl alcohol of phenmethylol and benzyl carbinol
Combination, the combination or phenmethylol of terephthalyl alcohol and phenmethylol, the combination of benzyl carbinol and terephthalyl alcohol etc..
Preferably, the alkoxide film forming agent includes any one in Lauryl Alcohol ester, 16 carbon alcohol esters or octadecanol ester
Kind or at least two combination, the combination is typical but non-limiting examples have：The combination of Lauryl Alcohol ester and 16 carbon alcohol esters,
The combination of 16 carbon alcohol esters and octadecanol ester, the combination of octadecanol ester and Lauryl Alcohol ester or Lauryl Alcohol ester, 16 carbon
Combination of alcohol ester and octadecanol ester etc..
Preferably, the alcohol ethers film forming agent includes butyl glycol ether and/or propane diols phenylate.
Preferably, the ether-ether class film forming agent includes 2-Butoxyethyl acetate, butanediol monobutyl ether acetate or hexylene glycol
Any one in monobutyl ether acetate or at least two combination, the combination is typical but non-limiting examples have：Butyl glycol ether
The combination of acetate and butanediol monobutyl ether acetate, the combining of butanediol monobutyl ether acetate and hexylene glycol monobutyl ether acetate, oneself two
The combination of alcohol monobutyl ether acetate and 2-Butoxyethyl acetate or 2-Butoxyethyl acetate, butanediol monobutyl ether acetate and oneself two
Combination of alcohol monobutyl ether acetate etc..
As currently preferred technical scheme, the auxiliary agent includes wetting dispersing agent, defoamer, ground wetting agent, pH
Regulator, anti-flash rusting agent, auxiliary rheological agents and bactericide.
Wherein, the wetting dispersing agent can be high molecular weight alkyl ammonium salt, acrylic polymer, affinity groups containing pigment
Polymer copolymerization body, acrylic copolymer, the acrylic copolymer with pigment affinity groups contain pigment affinity groups
Any one in structured copolymers solution etc. or at least two combination；Mass parts can be 1~2 part, such as 1 part, 1.1 parts,
1.2 parts, 1.3 parts, 1.4 parts, 1.5 parts, 1.6 parts, 1.7 parts, 1.8 parts, 1.9 parts or 2 parts etc., it is not limited to cited number
Value, other interior unrequited numerical value of the number range are equally applicable.
Wherein, the defoamer can be organic silicon defoamer, polymer defoamer, mineral oil defoaming agent or hydrophobicity
Any one in particle defoamer etc. or at least two combination；Mass parts can be 0.4~0.6 part, such as 0.4 part, 0.42 part,
0.45 part, 0.48 part, 0.5 part, 0.52 part, 0.55 part, 0.58 part or 0.6 part etc., it is not limited to cited numerical value, should
Other unrequited numerical value are equally applicable in number range.
Wherein, the ground wetting agent can be organic silicon modified by polyether, polyether-modified dimethyl silicone polymer, containing propylene
Any one in acid functional group's organic silicon modified by polyether or organically-modified dimethyl silicone polymer etc. or at least two combination；Matter
Measure part can be 0.2~0.6 part, such as 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part, 0.5 part, 0.55 part or
0.6 part etc., it is not limited to cited numerical value, other interior unrequited numerical value of the number range are equally applicable.
Wherein, the pH regulators can be the amine PH conditioning agents such as ammoniacal liquor and/or DMEA；Mass parts can be 0.4~
0.6 part, such as 0.4 part, 0.42 part, 0.45 part, 0.48 part, 0.5 part, 0.52 part, 0.55 part, 0.58 part or 0.6 part, but not
Cited numerical value is only limitted to, other unrequited numerical value are equally applicable in the number range.
Wherein, the anti-flash rusting agent can be the aqueous solution that natrium nitrosum is main body, and mass parts can be 0.2~0.5 part,
Such as 0.2 part, 0.25 part, 0.3 part, 0.35 part, 0.4 part, 0.45 part or 0.5 part, it is not limited to cited numerical value, should
Other unrequited numerical value are equally applicable in number range.
Wherein, the auxiliary rheological agents can be polyurethanes auxiliary rheological agents, cellulose, alkali swelling type auxiliary rheological agents etc., matter
It can be 0.5~1.2 part to measure part, such as 0.5 part, 0.6 part, 0.7 part, 0.8 part, 0.9 part, 1 part, 1.1 parts or 1.2 parts, but simultaneously
Cited numerical value is not limited only to, other unrequited numerical value are equally applicable in the number range.
Wherein, the bactericide can be Kathon CG series bactericidal agent etc., and mass parts can be 0.3~0.6 part, such as 0.3 part,
0.35 part, 0.4 part, 0.45 part, 0.5 part, 0.55 part or 0.6 part etc., it is not limited to cited numerical value, the number range
Other interior unrequited numerical value are equally applicable.
As currently preferred technical scheme, the curing agent includes amine curing agent and/or polyamide curing agent.
Preferably, aqueous binders provided by the invention, the epoxide equivalent of described water-borne epoxy acrylic emulsion is with consolidating
The ratio of the active hydrogen equivalent weight of agent is (0.6~1):1.Such as 0.6:1、0.7:1、0.8:1、0.9:1 or 1:1 etc., but simultaneously not only
It is limited to cited numerical value, other unrequited numerical value are equally applicable in the number range.
The two of the object of the invention are to provide a kind of preparation method of above-mentioned aqueous binders, the preparation method include with
Lower step：
(1) water, wetting dispersing agent and defoamer are mixed, adds color stuffing and disperse, add film forming agent, it is scattered to obtain
Extender paste；
(2) extender paste that step (1) obtains and emulsion are added into auxiliary rheological agents, anti-flash rusting agent, ground wetting by mixing
Agent and defoamer continue to mix, and add water and obtain component A；
(3) component A and component the B mixing obtained step (2), obtains aqueous binders.
Wherein, step (1) water, wetting dispersing agent and the defoamer mixes uniform to wetting dispersing agent and defoamer
It is dispersed in water, extender paste is can obtain after being uniformly dispersed after step (1) the addition film forming agent.
As currently preferred technical scheme, step (1) the scattered rotating speed of color stuffing that adds is 2000-
3000rpm, as 2000rpm, 2100rpm, 2200rpm, 2300rpm, 2400rpm, 2500rpm, 2600rpm, 2700rpm,
2800rpm, 2900rpm or 3000rpm etc., it is not limited to cited numerical value, other are unrequited in the number range
Numerical value is equally applicable.
Preferably, step (1) color stuffing that adds is dispersed to fineness as 40~50 μm, such as 40 μm, 41 μm, 42 μm, 43 μ
M, 44 μm, 45 μm, 46 μm, 47 μm, 48 μm, 49 μm or 50 μm etc., it is not limited to cited numerical value, in the number range
Other unrequited numerical value are equally applicable.
Preferably, step (1) is described add film forming agent before rotating speed is reduced to 800~1200rpm, as 800rpm,
850rpm, 900rpm, 950rpm, 1000rpm, 1100rpm or 1200rpm etc., it is not limited to cited numerical value, the number
Other unrequited numerical value are equally applicable in the range of value.
Preferably, step (2) extender paste is 800~1200rpm by the rotating speed mixed with emulsion, as 800rpm,
850rpm, 900rpm, 950rpm, 1000rpm, 1100rpm or 1200rpm etc., it is not limited to cited numerical value, the number
Other unrequited numerical value are equally applicable in the range of value.
Preferably, step (2) extender paste is 5~10min by the time mixed with emulsion, as 5min, 5.5min,
6min, 6.5min, 7min, 7.5min, 8min, 8.5min, 9min, 9.5min or 10min etc., it is not limited to cited
Numerical value, other interior unrequited numerical value of the number range are equally applicable.
Preferably, step (2) is described add water before rotating speed is reduced to 300~700rpm, as 300rpm, 400rpm,
500rpm, 600rpm or 700rpm etc., it is not limited to cited numerical value, other interior unrequited numerical value of the number range
It is equally applicable.
Preferably, step (1) and the mass ratio of step (2) described water are (3~5):1, such as 3:1、3.2:1、3.5:1、
3.8:1、4:1、4.2:1、4.5:1、4.8:1 or 5:1 etc., it is not limited to cited numerical value, in the number range other
Unrequited numerical value is equally applicable.
Compared with prior art, the present invention at least has the advantages that：
(1) present invention provides a kind of aqueous binders, and the aqueous binders are used for container priming paint, can make the bottom
The protective effect painted to casing integrality is identical with oil primer, wet adhesion, drawing adhesive force, and tensile strength performance is excellent；
(2) present invention provides a kind of aqueous binders, and the aqueous binders are used for container priming paint, and the priming paint has
The pot-life suitable with oiliness, salt spray resistance are good and green, while do not reduce the existing rhythm of production of client；
(3) present invention provides a kind of preparation method of aqueous binders, and the preparation method technique is simple, suitable for industry
Metaplasia is produced.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art are it will be clearly understood that the implementation
Example is only to aid in understanding the present invention, is not construed as the concrete restriction to the present invention.
The formula composition of specific embodiment is as shown in table 1, unit g.
Table 1
Embodiment 8
A kind of preparation method of aqueous binders, the preparation method comprise the following steps：
(1) 24 parts of water, 1 part of wetting dispersing agent and 0.2 part of defoamer are mixed, adds 10 parts of titanium dioxides, 1 part of antirust face
Material and 2 parts of mica powders are dispersed to fineness as 40 μm, reduce rotating speed to 800rpm, add 1 part of Lauryl Alcohol ester, disperse to obtain
Extender paste；
(2) extender paste that step (1) obtains and emulsion are mixed into 10min at 800 rpm, add 0.5 part of auxiliary rheological agents,
0.2 part of anti-flash rusting agent, 0.2 part of ground wetting agent and 0.2 part of defoamer continue to mix, and reduce rotating speed to 300rpm, add 6 parts
Water obtains component A；
(3) the component A obtained step (2) and 3 parts of amine curing agent mixing, obtain aqueous binders.
Embodiment 9
A kind of preparation method of aqueous binders, the preparation method comprise the following steps：
(1) 24 parts of water, 1 part of wetting dispersing agent and 0.2 part of defoamer are mixed, adds 10 parts of titanium dioxides, 1 part of antirust face
Material and 2 parts of mica powders are dispersed to fineness as 50 μm, reduce rotating speed to 1200rpm, add 1 part of Lauryl Alcohol ester, disperse
To extender paste；
(2) extender paste that step (1) obtains and emulsion are mixed into 5min under 1200rpm, add 0.5 part of auxiliary rheological agents,
0.2 part of anti-flash rusting agent, 0.2 part of ground wetting agent and 0.2 part of defoamer continue to mix, and reduce rotating speed to 700rpm, add 6 parts
Water obtains component A；
(3) the component A obtained step (2) and 3 parts of amine curing agent mixing, obtain aqueous binders.
Embodiment 10
A kind of preparation method of aqueous binders, the preparation method comprise the following steps：
(1) 24 parts of water, 1 part of wetting dispersing agent and 0.2 part of defoamer are mixed, adds 10 parts of titanium dioxides, 1 part of antirust face
Material and 2 parts of mica powders are dispersed to fineness as 45 μm, reduce rotating speed to 1000rpm, add 1 part of Lauryl Alcohol ester, disperse
To extender paste；
(2) extender paste that step (1) obtains and emulsion are mixed into 8min under 1000rpm, add 0.5 part of auxiliary rheological agents,
0.2 part of anti-flash rusting agent, 0.2 part of ground wetting agent and 0.2 part of defoamer continue to mix, and reduce rotating speed to 500rpm, add 6 parts
Water obtains component A；
(3) the component A obtained step (2) and 3 parts of amine curing agent mixing, obtain aqueous binders.
Comparative example 1
A kind of aqueous binders, the aqueous binders epoxide equivalent/active hydrogen equivalent weight ratio are 0.5, and other compositions are used
Measure same as Example 1.
Comparative example 2
A kind of aqueous binders, the aqueous binders epoxide equivalent/active hydrogen equivalent weight ratio are 1.2, and other compositions are used
Measure same as Example 3.
Comparative example 3
A kind of aqueous binders, the aqueous binders are reduced to 8% except rust resisting pigment dosage, other compositions dosage with
Embodiment 2 is identical.
Comparative example 4
A kind of aqueous binders, the aqueous binders increase to 20% except rust resisting pigment dosage, other compositions dosage
It is same as Example 7.
Comparative example 5
A kind of aqueous binders, the aqueous binders are acrylic emulsion except emulsion used, no curing agent component, its
His Ingredient Amount is same as Example 2.
Comparative example 6
A kind of aqueous binders, the aqueous binders are to wait the epoxy aqueous dispersion of epoxide equivalent except emulsion used,
Other compositions dosage is same as Example 2
Comparative example 7
A kind of aqueous binders, the aqueous binders are aqueous acrylic modified epoxy except emulsion, no curing agent, its
His Ingredient Amount is same as Example 4,.
Comparative example 8
A kind of aqueous binders, the aqueous binders are waterborne epoxy modified acrylic except emulsion used, no epoxy
Equivalent, no curing agent, other compositions dosage are same as Example 4.
The formula preparation method of various embodiments above, using the manufacturing process of foregoing aqueous binders.For the present invention
Application done dependence test, mainly include, wet adhesion, foam tensile strength, rate of drying, pot-life, salt spray resistance.Scoring
Rule, up to 5 points, minimum 0 point, fraction is the higher the better.
Wherein, wet adhesion method of testing is as follows：Testing substrates are stainless steel plate, aluminium sheet, carbon steel sheet, tinplate；Foam
Foam in stretching is PU foaming layers；Rate of drying test temperature is 70-80 DEG C；Pot-life test temperature is 25 DEG C；Salt spray resistance
For the 5%NaCl aqueous solution.Test result is as shown in the table.
Specific evaluating standard is as follows：
Wet adhesion：
5 points：Soak one month nail of running water and scratch and do not fall paint；
4 points：Soak running water fortnight nail and scratch and do not fall paint；
3 points：Immersion running water fortnight nail is scratched paint position and is less than or equal at 3；
2 points：Immersion running water fortnight nail is scratched paint position and is less than or equal at 5；
1 point：Immersion three days nails of running water scratch paint；
0 point：Immersion one day nail of running water scratches paint
Foam tensile strength：
5 points：Average tensile strength is more than 2500N, and zone of fracture is foaming layer；
4 points：Average tensile strength is in 2000-2500N, and zone of fracture is foaming layer；
3 points：Zone of fracture of the average tensile strength within 2000-2500N, 25% is shown in binding agent；
2 points：Zone of fracture of the average tensile strength within 2000-2500N, 50% is shown in binding agent；
1 point：Average tensile strength is shown in binding agent in 2000-2500N, zone of fracture；
0 point：Average tensile strength is less than 2000N
Rate of drying：
5 points：70 DEG C, surface drying within 2.5min；
4 points：80 DEG C, surface drying within 2.5min；
3 points：80 DEG C, surface drying within 4.5min；
2 points：80 DEG C, surface drying within 7min；
1 point：80 DEG C, surface drying within 7min；
0 point：80 DEG C, non-surface drying within 10min
Pot-life:
5 points：25 DEG C, more than 8h；
4 points：25 DEG C, 8h；
3 points：25 DEG C, 4-8h；
2 points：25 DEG C, 4h；
1 point：25 DEG C, 2-4h；
0 point：25 DEG C, below 2h
Salt spray resistance:
5 points：Monofilm, thickness of dry film 100um, salt fog 600h；
4 points：Monofilm, thickness of dry film 100um, salt fog 400h；
3 points：Monofilm, thickness of dry film 100um, salt fog 300h；
2 points：Monofilm, thickness of dry film 100um, salt fog 200h；
1 point：Monofilm, thickness of dry film 100um, salt fog 100h；
0 point：Monofilm, thickness of dry film 100um, salt fog are less than 100h
Embodiment 1-7 the performance test results are as shown in table 2：
Table 2
Comparative example 1-8 the performance test results are as shown in table 3：
Table 3
It can be seen from Table 2 that embodiment 1-7 aqueous binders have excellent wet adhesion, foam tensile property,
Rate of drying.Pot-life and salt spray resistance, and had ready conditions in comparative example 1-8 and do not meet the regulation of the present invention, Jin Erzao
Into the decline of performance.
Applicant states that the present invention illustrates the detailed process equipment of the present invention and technological process by above-described embodiment,
But the invention is not limited in above-mentioned detailed process equipment and technological process, that is, it is above-mentioned detailed not mean that the present invention has to rely on
Process equipment and technological process could be implemented.Person of ordinary skill in the field it will be clearly understood that any improvement in the present invention,
The addition of equivalence replacement and auxiliary element to each raw material of product of the present invention, selection of concrete mode etc., all fall within the present invention's
Within the scope of protection domain and disclosure.
Claims (10)
1. a kind of aqueous binders, it is characterised in that the aqueous binders include component A and component B, according to mass parts meter institute
Stating component A composition includes：
Component B is the curing agent that mass parts are 3~4.5 parts.
2. aqueous binders according to claim 1, it is characterised in that the water-borne epoxy acrylic emulsion is to include core
The core shell structure of layer and shell；
Preferably, the shell is acrylic emulsion particle；
Preferably, the stratum nucleare is epoxy resin；
Preferably, the epoxide equivalent of the epoxy resin is 800~1400.
3. aqueous binders according to claim 1 or 2, it is characterised in that the color stuffing includes titanium dioxide, mica powder
And rust resisting pigment.
4. aqueous binders according to claim 3, it is characterised in that the color stuffing includes iron oxide red, mica iron oxide red, aluminium
In powder, glass flake, chromate or phosphate any one or at least two combination；
Preferably, the mass parts of the rust resisting pigment are 10~18 parts；
Preferably, the mass parts of the titanium dioxide are 10~20 parts；
Preferably, the mass parts of the mica powder are 2~10 parts.
5. according to the aqueous binders described in claim any one of 1-4, it is characterised in that the film forming agent includes alcohols film forming
The combination of any one or at least two pairs in agent, alkoxide film forming agent, alcohol ethers film forming agent or alcohol ether esters film forming agent；
Preferably, the alcohols film forming agent includes any one in phenmethylol, benzyl carbinol or terephthalyl alcohol or at least two
Combination；
Preferably, the alkoxide film forming agent include Lauryl Alcohol ester, 16 carbon alcohol esters or octadecanol ester in any one or
At least two combination；
Preferably, the alcohol ethers film forming agent includes butyl glycol ether and/or propane diols phenylate；
Preferably, the ether-ether class film forming agent includes 2-Butoxyethyl acetate, butanediol monobutyl ether acetate or hexylene glycol butyl ether
Any one in acetate or at least two combination.
6. according to the aqueous binders described in claim any one of 1-5, it is characterised in that the auxiliary agent includes wetting and dispersing
Any one in agent, defoamer, ground wetting agent, pH regulators, anti-flash rusting agent, auxiliary rheological agents or bactericide or at least two
Combination.
7. aqueous binders according to claim 6, it is characterised in that the curing agent include amine curing agent and/or
Polyamide curing agent；
Preferably, the ratio of the active hydrogen equivalent weight of the epoxide equivalent of described water-borne epoxy acrylic emulsion and curing agent is (0.6
~1):1.
A kind of 8. preparation method of the aqueous binders of claim 6 or 7, it is characterised in that the preparation method include with
Lower step：
(1) water, wetting dispersing agent and defoamer are mixed, adds color stuffing and disperse, add film forming agent, it is scattered to obtain filler
Slurry；
(2) by the extender paste that step (1) obtains and emulsion by mixing, add auxiliary rheological agents, anti-flash rusting agent, ground wetting agent and
Defoamer continues to mix, and adds water and obtains component A；
(3) component A and component the B mixing obtained step (2), obtains aqueous binders.
9. preparation method according to claim 8, it is characterised in that step (1) is described to add the scattered rotating speed of color stuffing
For 2000-3000rpm；
Preferably, step (1) color stuffing that adds is dispersed to fineness as 40~50 μm；
Preferably, rotating speed is reduced to 800~1200rpm by described add before film forming agent of step (1)；
Preferably, step (2) extender paste is 800~1200rpm by the rotating speed mixed with emulsion；
Preferably, step (2) extender paste is 5~10min by the time mixed with emulsion；
Preferably, rotating speed is reduced to 300~700rpm by described add before water of step (2)；
Preferably, step (1) and the mass ratio of step (2) described water are (3~5):1.
A kind of 10. application of the aqueous binders described in any one of claim 1~7, it is characterised in that the aqueous binders
For container priming paint.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135862A (en) * | 2018-07-09 | 2019-01-04 | 安徽大地节能科技有限公司 | A kind of biomass fuel binder and preparation method thereof |
| CN109135517A (en) * | 2018-07-20 | 2019-01-04 | 广州集泰化工股份有限公司 | A kind of water-based epoxy acrylic anticorrosive paint |
| CN109762438A (en) * | 2018-12-21 | 2019-05-17 | 广州集泰化工股份有限公司 | A kind of aqueous dual-component epoxy resin varnish and the preparation method and application thereof |
| CN111004593A (en) * | 2019-12-31 | 2020-04-14 | 濮阳宏业高新科技发展有限公司 | Timely-tearable adhesive and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284975A (en) * | 2008-06-05 | 2008-10-15 | 上海森瀚新型材料科技有限公司 | Adhesive for composite heat insulation and thermal insulation material |
-
2017
- 2017-10-12 CN CN201710946244.2A patent/CN107652857B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284975A (en) * | 2008-06-05 | 2008-10-15 | 上海森瀚新型材料科技有限公司 | Adhesive for composite heat insulation and thermal insulation material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135862A (en) * | 2018-07-09 | 2019-01-04 | 安徽大地节能科技有限公司 | A kind of biomass fuel binder and preparation method thereof |
| CN109135517A (en) * | 2018-07-20 | 2019-01-04 | 广州集泰化工股份有限公司 | A kind of water-based epoxy acrylic anticorrosive paint |
| CN109135517B (en) * | 2018-07-20 | 2020-11-10 | 广州集泰化工股份有限公司 | Water-based epoxy acrylic acid anticorrosive paint |
| CN109762438A (en) * | 2018-12-21 | 2019-05-17 | 广州集泰化工股份有限公司 | A kind of aqueous dual-component epoxy resin varnish and the preparation method and application thereof |
| CN111004593A (en) * | 2019-12-31 | 2020-04-14 | 濮阳宏业高新科技发展有限公司 | Timely-tearable adhesive and preparation method and application thereof |
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|---|---|
| CN107652857B (en) | 2020-05-05 |
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