CN108285731A - A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish and preparation method thereof - Google Patents
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish and preparation method thereof Download PDFInfo
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- CN108285731A CN108285731A CN201810031269.4A CN201810031269A CN108285731A CN 108285731 A CN108285731 A CN 108285731A CN 201810031269 A CN201810031269 A CN 201810031269A CN 108285731 A CN108285731 A CN 108285731A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention discloses a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish and preparation method thereof, by weight, including component A and B component, the component A：B component=(6~10)：1；The component A includes 40~70 parts of water-base resin, 0.2~0.7 part of antifreezing agent, 0.1~0.5 part of multifunctional assistant, 0.2~0.6 part of wetting agent, 0.1~0.3 part of preservative, 3~7 parts of coalescents, 0.3~0.8 part of polyurethane thickener, 0.1~0.3 part of antifoaming agent, 20~30 parts of deionized water；The B component is water dispersible HDI type isocyanates.The present invention is selected by rational component and proportioning so that the aqueous double-component finishing varnish levelability is appropriate, modest viscosity, easily constructs, and stability is good, the characteristic with boiling water resistance, high adhesion force.
Description
Technical field
The present invention relates to a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish and preparation method thereof.
Background technology
The decorative pattern of multicolour can be presented by once spraying simultaneously for water-soluble colorful coating, keep various colors interlaced,
With similar to natural granite or marmorean decorative effect, it is mainly used for the inner-outer wall of top-grade building object, collection is decorative, pacifies
Full property and economy are the hot spots of building coating industry research in recent years.
In appearance, multicolor finish can compare favourably with true natural granite or marble completely, and decorating can be with
More diversity, it is more humane；And in comprehensive performance, it is such as water-fast, weather-proof and easy to clean etc. still to have with lithotome very much
Gap.As the finishing varnish mating with polychrome finish, major function is waterproof, resistant, scrubbing resistance and improves application
System bulk life time.So high-performance finishing varnish has very important effect in multicolor finish.
Finishing varnish currently on the market mainly uses mono-component aqueous acrylic systems, there is bloom and dumb light.
Since it is considered that improve Base Smoothness tolerance, gloss uniformity and avoid light pollution, the cities finishing varnish Geng Shou of dumb light
Field favor.The feature of environmental protection, the weatherability of one pack system acrylic coating are more excellent, but there is also water-whitening resistances poor, abrasion resistance
It is insufficient and the defects of be not easy manually to clean, affect the beauty and whole service life of multicolor finish.Especially for realization
Matte effect is added to after flatting silica in formula, and comprehensive performance can further decline.In order to improve performance, also there is part factory
Family is used for cover using two part solvent type polyurethane coating, and water-whitening resistance, washability and weatherability are all more excellent.But it waves
Hair property organic chemistry material (VOC) content is too high, and the environmental protection concept advocated with current countries in the world is disagreed.Double-component aqueous cover
Varnish well combines the high-performance of two-component solvent borne polyurethane coating VOC features low with water paint, close
Certain popularization and application are obtained in the building coatings such as terrace, exterior wall over year, so attempting to use it for high-performance
Multicolor finish cover.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of resistant to boiling water high adhesion force aqueous double-component covers
Face varnish and preparation method thereof has resistance to boiling water, high adhesion force performance, plays a key effect to promoting coating performance.
To achieve the goals above, a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish that the present invention uses,
By weight, including component A and B component, the component A：B component=(6~10)：1；
Wherein, the component A includes 40~70 parts of water-base resin, 0.2~0.7 part of antifreezing agent, and multifunctional assistant 0.1~
0.5 part, 0.2~0.6 part of wetting agent, 0.1~0.3 part of preservative, 3~7 parts of coalescents, polyurethane thickener 0.3~0.8
Part, 0.1~0.3 part of antifoaming agent, 20~30 parts of deionized water；
The B component is water dispersible HDI type isocyanates.
The water-base resin is one or more in the third resins of Pure, styrene-acrylic resin or Hydroxylated acrylic resin.
The antifreezing agent is one kind in ethylene glycol or propylene glycol.
The multifunctional assistant is one kind in linear alcohols amine, organic amine or ammonium hydroxide.
The wetting agent is the mixing of one or more of sulfonated oil, sulfuric acid hydrazides or mercaptan acetals.
The preservative is one in isothiazolinone derivatives, benzimidazole esters, 1,2- benzisothiazole-3-ketones
Kind or several mixing.
The coalescents are one in propandiol butyl ether, propylene glycol methyl ether acetate, Lauryl Alcohol ester, propylene glycol phenylate
Kind or several mixing.
The polyurethane thickener is hydrophobically modified polyurethane thickener.
The antifoaming agent is the mixing of one or more of mineral oil, organosilicon, modified paraffin antifoaming agent.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring dispersion 10~20
Minute, rotating speed is 500~700r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1000~1200r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1400~1600r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 400~600r/ by the adjustment of rotational speed of dispersion machine
Min evenly dispersed 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=(6~10)：1 ratio
Example, is added slowly in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete water
The preparation of property two-component finishing varnish.
Compared with prior art, the present invention is not being added by selecting hydroxyl dispersion resin and hydrophilic modifying polyisocyanate
In the case of adding flatting silica, obtained the double-component waterborne polyurethane dumb light finishing varnish of excellent combination property, have resistance to boiling water,
The performance of high adhesion force plays a key effect to promoting coating performance；Two-component finishing varnish is made in the present invention can be in 80 DEG C of height
It is impregnated 6 days in warm water, the situation for not occurring bubbling, falling off；After 80 DEG C of hot-water soaks, transparent adhesive tape strength is used at once
Two-component finishing varnish is adhered to, avulsion does not occur in the paint film of finishing varnish.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by embodiment, to the present invention into
Row is further described.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
In limiting the scope of the invention.
Unless otherwise defined, all technical terms and scientific terms used herein are led with the technology for belonging to the present invention
The normally understood meaning of technical staff in domain is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, by weight, including component A and B component, institute
State component A：B component=(6~10)：1；
Wherein, the component A includes 40~70 parts of water-base resin, 0.2~0.7 part of antifreezing agent, and multifunctional assistant 0.1~
0.5 part, 0.2~0.6 part of wetting agent, 0.1~0.3 part of preservative, 3~7 parts of coalescents, polyurethane thickener 0.3~0.8
Part, 0.1~0.3 part of antifoaming agent, 20~30 parts of deionized water；
The B component includes water dispersible HDI type isocyanates, and further, B component can using the water of ten thousand China's chemistry
Dispersed isocyanate curing agent278。
The water-base resin is one or more in the third resins of Pure, styrene-acrylic resin or Hydroxylated acrylic resin.Further
, water-base resin be Ahmedabad richness water based acrylic resin MT-189A, main component be styrene, butyl ester, different monooctyl ester,
First methyl esters etc..
The antifreezing agent is one kind in ethylene glycol or propylene glycol.
The multifunctional assistant is one kind in linear alcohols amine, organic amine or ammonium hydroxide.It is further preferred, multifunctional assistant
Agent is the AMP-95 of Tao Shi, and AMP-95 contains the 2-amino-2-methyl-1-propanol of 5% moisture content, is current a small number of with low molecule
One of amount and overbasic industrial amine.
The wetting agent is the mixing of one or more of sulfonated oil, sulfuric acid hydrazides or mercaptan acetals.Into one
What is walked is preferred, and wetting agent is the R1801 of Du Pont, and main component is nonionic fluorosurfactant.
The preservative is one in isothiazolinone derivatives, benzimidazole esters, 1,2- benzisothiazole-3-ketones
Kind or several mixing.Further preferred, it is 2- methyl -4- isothiazole to select the LXE preservatives of ROHM AND HAAS, active ingredient
Quinoline -3- ketone (A), 5-Chloro-2-methyl-4-isothiazolin-3-one (B)；Wherein, active ingredient forms A：B is 1：3.
The coalescents are one in propandiol butyl ether, propylene glycol methyl ether acetate, Lauryl Alcohol ester, propylene glycol phenylate
Kind or several mixing.Preferably, coalescents are the DPnB (dipropylene glycol n-butyl ether) and DPM (dipropylene glycol of DOW Chemical
Methyl ether).
The polyurethane thickener is hydrophobically modified polyurethane thickener.Preferably, polyurethane thickener is DOW Chemical
RM-8W and RM-2020, wherein RM-8W is that a kind of low smell, not solvent-laden aqueous nonionic collaboration rheology modifier (are dredged
Water modified polyurethane), splendid flowing is provided and levelability, uniform filming performance, gloss show performance and high thickening efficiency；
RM-2020 is nonionic, solvent-free, hydrophobically modified polyurethane rheology modifier.Inner-outer wall building coating can be assigned with excellent
Flowing and levelability, showing property of gloss, film forming and high cut and paste degree.
The antifoaming agent is the mixing of one or more of mineral oil, organosilicon, modified paraffin antifoaming agent.Preferably,
Antifoaming agent is the NXZ of Sheng Nuopuke, and main component is metallic soap and mineral oil.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring dispersion 10~20
Minute, rotating speed is 500~700r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1000~1200r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1400~1600r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 400~600r/ by the adjustment of rotational speed of dispersion machine
Min evenly dispersed 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=(6~10)：1 ratio
Example, is added slowly in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete water
The preparation of property two-component finishing varnish.
Embodiment 1
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, by weight, including component A and B component, institute
State component A：B component=6：1；
Wherein, the component A includes 40 parts of water-base resin, 0.2 part of antifreezing agent, 0.1 part of multifunctional assistant, wetting agent 0.2
Part, 0.1 part of preservative, 3 parts of coalescents, 0.3 part of polyurethane thickener, 0.1 part of antifoaming agent, 20 parts of deionized water；
The B component is water dispersible HDI type isocyanates.
The water-base resin is the third resins of Pure.
The antifreezing agent is ethylene glycol.
The multifunctional assistant is linear alcohols amine.
The wetting agent is sulfonated oil.
The preservative is isothiazolinone derivatives.
The coalescents are propandiol butyl ether.
The polyurethane thickener is hydrophobically modified polyurethane thickener.
The antifoaming agent is mineral oil.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring disperses 10 points
Clock, rotating speed 500r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1000r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1400r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 400r/min by the adjustment of rotational speed of dispersion machine, uniformly
Dispersion 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=6：1 ratio, slowly
It is added in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete aqueous double groups
The preparation of part finishing varnish.
Embodiment 2
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, by weight, including component A and B component, institute
State component A：B component=8：1；
Wherein, the component A includes 55 parts of water-base resin, 0.5 part of antifreezing agent, 0.3 part of multifunctional assistant, wetting agent 0.4
Part, 0.2 part of preservative, 5 parts of coalescents, 0.5 part of polyurethane thickener, 0.2 part of antifoaming agent, 25 parts of deionized water；
The B component is water dispersible HDI type isocyanates.
The water-base resin is styrene-acrylic resin.
The antifreezing agent is propylene glycol.
The multifunctional assistant is linear alcohols amine.
The wetting agent is sulfonated oil.
The preservative is 1,2- benzisothiazole-3-ketones.
The coalescents are propandiol butyl ether.
The polyurethane thickener is hydrophobically modified polyurethane thickener.
The antifoaming agent is mineral oil.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring disperses 15 points
Clock, rotating speed 600r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1100r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1500r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 500r/min by the adjustment of rotational speed of dispersion machine, uniformly
Dispersion 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=8：1 ratio, slowly
It is added in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete aqueous double groups
The preparation of part finishing varnish.
Embodiment 3
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, by weight, including component A and B component, institute
State component A：B component=10：1；
Wherein, the component A includes 70 parts of water-base resin, 0.7 part of antifreezing agent, 0.5 part of multifunctional assistant, wetting agent 0.6
Part, 0.3 part of preservative, 7 parts of coalescents, 0.8 part of polyurethane thickener, 0.3 part of antifoaming agent, 30 parts of deionized water；
The B component is water dispersible HDI type isocyanates.
The water-base resin is the third resins of Pure.The antifreezing agent is ethylene glycol.
The multifunctional assistant is linear alcohols amine.The wetting agent is sulfonated oil.
The preservative is isothiazolinone derivatives.The coalescents are propandiol butyl ether.
The polyurethane thickener is hydrophobically modified polyurethane thickener.
The antifoaming agent is mineral oil.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring disperses 20 points
Clock, rotating speed 700r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1200r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1600r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 600r/min by the adjustment of rotational speed of dispersion machine, uniformly
Dispersion 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=10：1 ratio is delayed
Slowly it is added in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete aqueous double
The preparation of component finishing varnish.
Embodiment 4
A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, by weight, including component A and B component, institute
State component A：B component=7.5：1；
Wherein, the component A includes 60 parts of water-base resin, 0.5 part of antifreezing agent, 0.4 part of multifunctional assistant, wetting agent 0.5
Part, 0.2 part of preservative, 5 parts of coalescents, 0.6 part of polyurethane thickener, 0.2 part of antifoaming agent, 25 parts of deionized water；
The B component is using the chemical dispersible isocyanate curing agent of water of ten thousand China278。
The water-base resin is the water based acrylic resin MT-189A of Ahmedabad richness, and main component is styrene, fourth
Ester, different monooctyl ester, first methyl esters etc..The antifreezing agent is ethylene glycol.
The multifunctional assistant is the AMP-95 of Tao Shi, and AMP-95 contains the 2-amino-2-methyl-1-propanol of 5% moisture content,
Being current minority has one of low molecular weight and overbasic industrial amine.
Further preferred, wetting agent is the R1801 of Du Pont, and main component is nonionic fluorosurfactant.
The preservative selects the LXE preservatives of ROHM AND HAAS, and active ingredient is 2-methyl-4-isothiazolin-3-one
(A), 5-Chloro-2-methyl-4-isothiazolin-3-one (B)；Wherein, active ingredient forms A：B is 1：3.
The coalescents are the DPnB (dipropylene glycol n-butyl ether) of DOW Chemical.
The polyurethane thickener is the RM-8W of DOW Chemical, is a kind of low smell, not solvent-laden aqueous nonionic association
Same rheology modifier (hydrophobically modified polyurethane), provides splendid flowing and levelability, uniform filming performance, showing property of gloss
It can be with high thickening efficiency.
The antifoaming agent is the NXZ of Sheng Nuopuke, and main component is metallic soap and mineral oil.
A kind of preparation method of the resistant to boiling water high adhesion force aqueous double-component finishing varnish, includes the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring disperses 18 points
Clock, rotating speed 650r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added to
Into dispersion tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving after stirring evenly, slowly adds
Enter into dispersion tank；
5) it is 1000r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1500r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 550r/min by the adjustment of rotational speed of dispersion machine, uniformly
Dispersion 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=7.5：1 ratio is delayed
Slowly it is added in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete aqueous double
The preparation of component finishing varnish.
Two-component finishing varnish provided by the invention is using novel aqueous resin (Ahmedabad is rich, MT-189A) and additive
It is prepared, by arranging in pairs or groups, polyurethane thickener is used, and allows paint sample to have in construction, thickening, levelling etc. preferable
Performance.More auxiliary agent can be replaced using novel water-based hydroxyl resin, allow paint film itself that there is resistance to boiling water, high adhesion force
Can, avoid unnecessary waste from using auxiliary agent, it is environmentally friendly.
The present invention, as curing agent, is had the splendid hand property stirred and disappeared using the HDI types isocyanates of a high NCO content
Light effect has the friendly to environment since the curing agent is discharged with Diamond Search.Additionally, due to instant component and
The selection of proportioning so that the aqueous double-component finishing varnish levelability is appropriate, modest viscosity, easily constructs, and stability is good, tool
There is the characteristic of boiling water resistance, high adhesion force.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish, which is characterized in that by weight, including component A
And B component, the component A：B component=(6~10)：1；
Wherein, the component A includes 40~70 parts of water-base resin, 0.2~0.7 part of antifreezing agent, 0.1~0.5 part of multifunctional assistant,
0.2~0.6 part of wetting agent, 0.1~0.3 part of preservative, 3~7 parts of coalescents, 0.3~0.8 part of polyurethane thickener, defoaming
0.1~0.3 part of agent, 20~30 parts of deionized water；
The B component is water dispersible HDI type isocyanates.
2. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is one or more in the third resins of Pure, styrene-acrylic resin or Hydroxylated acrylic resin to state water-base resin.
3. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is one kind in ethylene glycol or propylene glycol to state antifreezing agent.
4. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is one kind in linear alcohols amine, organic amine or ammonium hydroxide to state multifunctional assistant.
5. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
State the mixing that wetting agent is one or more of sulfonated oil, sulfuric acid hydrazides or mercaptan acetals.
6. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is one or more of isothiazolinone derivatives, benzimidazole esters, 1,2- benzisothiazole-3-ketones to state preservative
Mixing.
7. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is one or more of propandiol butyl ether, propylene glycol methyl ether acetate, Lauryl Alcohol ester, propylene glycol phenylate to state coalescents
Mixing.
8. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
It is hydrophobically modified polyurethane thickener to state polyurethane thickener.
9. a kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish according to claim 1, which is characterized in that institute
State the mixing that antifoaming agent is one or more of mineral oil, organosilicon, modified paraffin antifoaming agent.
10. a kind of preparation method of any one of claim 1-9 resistant to boiling water high adhesion force aqueous double-component finishing varnish,
It is characterized by comprising the following steps：
1) water-base resin is added in dispersion tank；
2) start dispersion machine, weigh antifreezing agent, multifunctional assistant and wetting agent is added successively, uniform stirring disperses 10~20 points
Clock, rotating speed are 500~700r/min；
3) preservative is weighed with small beaker, with deionized water with mass ratio for 1:10 dissolvings, after stirring evenly, are slowly added into point
It dissipates in tank；
4) coalescents are weighed with small beaker, with deionized water with mass ratio for 1:1 dissolving, after stirring evenly, is slowly added into
In dispersion tank；
5) it is 1000~1200r/min by the adjustment of rotational speed of dispersion machine；
6) polyurethane thickener is weighed, and is slowly added into dispersion tank；
7) antifoaming agent is weighed, and be slowly added into dispersion tank；
8) by the adjustment of rotational speed of dispersion machine be 1400~1600r/min, evenly dispersed 20 minutes；
9) it by remaining deionized water, is slowly added into dispersion tank, is 400~600r/min by the adjustment of rotational speed of dispersion machine,
Even dispersion 10 minutes, completes the preparation of component A；
10) the water dispersible HDI type isocyanates for weighing B component, according to component A：B component=(6~10)：1 ratio is delayed
Slowly it is added in prepared component A, in dispersion machine under the rotating speed of 600r/min, evenly dispersed 15 minutes, to complete aqueous double
The preparation of component finishing varnish.
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| CN201810031269.4A CN108285731A (en) | 2018-01-12 | 2018-01-12 | A kind of resistant to boiling water high adhesion force aqueous double-component finishing varnish and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535962A (en) * | 2018-10-30 | 2019-03-29 | 河北晨阳工贸集团有限公司 | A kind of yard piping double-component aqueous finishing coat and preparation method thereof |
| CN109971335A (en) * | 2019-04-23 | 2019-07-05 | 成都巴德士涂料有限公司 | A kind of aqueous double-component polyurethane finishing varnish and its preparation method and application |
| CN111040554A (en) * | 2019-12-31 | 2020-04-21 | 英科·卡乐油墨(苏州)有限公司 | Water-based high-gloss oil |
| CN111499904A (en) * | 2020-06-11 | 2020-08-07 | 陕西师范大学 | Self-supporting cup [4] pyrrole nano-film and template-free preparation method and application thereof |
| CN114213949A (en) * | 2021-12-21 | 2022-03-22 | 福建省三棵树新材料有限公司 | Waterborne epoxy modified acrylic acid two-component transparent coating for medals and preparation method thereof |
| CN114525064A (en) * | 2022-03-28 | 2022-05-24 | 厦门防水博士新材料有限公司 | Roof waterproof system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745057A (en) * | 2015-04-17 | 2015-07-01 | 广州杰锐体育设施有限公司 | Dirt-resistant environmental-friendly finishing coat and preparation method thereof |
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2018
- 2018-01-12 CN CN201810031269.4A patent/CN108285731A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104745057A (en) * | 2015-04-17 | 2015-07-01 | 广州杰锐体育设施有限公司 | Dirt-resistant environmental-friendly finishing coat and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109535962A (en) * | 2018-10-30 | 2019-03-29 | 河北晨阳工贸集团有限公司 | A kind of yard piping double-component aqueous finishing coat and preparation method thereof |
| CN109971335A (en) * | 2019-04-23 | 2019-07-05 | 成都巴德士涂料有限公司 | A kind of aqueous double-component polyurethane finishing varnish and its preparation method and application |
| CN111040554A (en) * | 2019-12-31 | 2020-04-21 | 英科·卡乐油墨(苏州)有限公司 | Water-based high-gloss oil |
| CN111499904A (en) * | 2020-06-11 | 2020-08-07 | 陕西师范大学 | Self-supporting cup [4] pyrrole nano-film and template-free preparation method and application thereof |
| CN111499904B (en) * | 2020-06-11 | 2022-06-14 | 陕西师范大学 | Self-supporting cup [4] pyrrole nano-film and template-free preparation method and application thereof |
| CN114213949A (en) * | 2021-12-21 | 2022-03-22 | 福建省三棵树新材料有限公司 | Waterborne epoxy modified acrylic acid two-component transparent coating for medals and preparation method thereof |
| CN114525064A (en) * | 2022-03-28 | 2022-05-24 | 厦门防水博士新材料有限公司 | Roof waterproof system |
| CN114525064B (en) * | 2022-03-28 | 2023-03-10 | 厦门防水博士新材料有限公司 | Roof waterproof system |
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