CN106147566B - A kind of special type terrace aqueous polyurethane sub-light varnish product and its preparation method and application - Google Patents
A kind of special type terrace aqueous polyurethane sub-light varnish product and its preparation method and application Download PDFInfo
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- CN106147566B CN106147566B CN201510210030.XA CN201510210030A CN106147566B CN 106147566 B CN106147566 B CN 106147566B CN 201510210030 A CN201510210030 A CN 201510210030A CN 106147566 B CN106147566 B CN 106147566B
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Abstract
The present invention relates to a kind of extraordinary terrace aqueous polyurethane sub-light varnish product and its preparation method and applications, specifically the varnish product contains the first container and second container, wherein, the first container contains component A, and the component A contains 40-70 parts by weight of polypropylene esters of gallic acid dispersion, 0.01-5 parts by weight type siloxane dispersing agent, 0.01-5 parts by weight organic silicon defoaming agent, 0.01-5 parts by weight non-organic silicon class defoaming agent；The second container contains component B, and the component B contains 10-35 parts by weight Isocyanates curing agent.The invention also discloses the preparation methods and application of the varnish product.Top finishing excellent effect, the chemical-resistance of varnish product provided by the present invention are excellent, and other comprehensive performances balance, and can be very good the indices for meeting national standard.
Description
Technical field
The present invention relates to paint fields, more particularly to a kind of extraordinary terrace aqueous polyurethane sub-light varnish product and its system
Method and application.
Background technique
Double-component polyurethane paint belongs to reactive type of coating, it has, and paint film richness is high, good with substrate adhesion, can be in room
The advantages that lower drying of temperature, form of construction work multiplicity, solvent resistant and chemicals are strong, and dry heat resistance is good, and color-adjustable is to improve dicoration,
Therefore occupy the market of very big share in paint field.But the requirement new to ornament materials with people, it is public that surface is applied
More stringent requirements are proposed for the indices of decorations double-component polyurethane paint used, such as the top finishing effect of varnish product paint film
The problems such as fruit, chemical-resistance.
In view of discovery does not meet the dual-component aqueous polyurethane sub-light varnish product of national standard on the market at present, because
This makes to be coated substrate surface embodiment preferably whole coating effect and covering with paint to more adapt to the growth requirement of decorative paint
Performance, a kind of novel top finishing effect is good, chemical-resistance is excellent there is an urgent need in the art to developing, and other comprehensive performances
The dual-component aqueous polyurethane sub-light varnish product of balance.
Summary of the invention
That the purpose of the present invention is to provide a kind of novel top finishing effects is good, chemical-resistance is excellent, and other are comprehensive
Close the dual-component aqueous polyurethane sub-light varnish product of performance balance.
The first aspect of the present invention, provides a kind of varnish product, and the varnish product contains the first container and second and holds
Device, wherein
The first container contains component A, the component A contain 40-70 parts by weight of polypropylene esters of gallic acid dispersion,
0.01-5 parts by weight type siloxane dispersing agent, 0.01-5 parts by weight organic silicon defoaming agent, 0.01-5 parts by weight non-organic silicon class
Defoaming agent；
The second container contains component B, and the component B contains 10-35 parts by weight Isocyanates curing agent.
In another preferred example, the component A also contains optional other auxiliary agents of 0.01-20 parts by weight.
In another preferred example, the component A also contains 25-55 parts by weight water, preferably 30-45 parts by weight, more preferably
Ground is 32-40 parts by weight.
In another preferred example, the component A contains 50-70 parts by weight of polypropylene esters of gallic acid dispersion, 0.3-3 parts by weight
Type siloxane dispersing agent, 0.08-3 parts by weight organic silicon defoaming agent, 0.06-3.3 parts by weight non-organic silicon class defoaming agent and appoint
Other auxiliary agents of the 0.1-10 parts by weight of choosing.
In another preferred example, the component A contains 50-60 parts by weight of polypropylene esters of gallic acid dispersion, 0.5-2 parts by weight
Type siloxane dispersing agent, 0.12-1 parts by weight organic silicon defoaming agent, 0.1-2.5 parts by weight non-organic silicon class defoaming agent and appoint
Other auxiliary agents of the 0.5-8 parts by weight of choosing.
In another preferred example, the component B contains 13-30 parts by weight Isocyanates curing agent, preferably 15-25
Parts by weight are more preferably 18-23 parts by weight.
In another preferred example, the weight ratio of the component A and component B is 1-10:1.
In another preferred example, the weight ratio of the component A and component B is 1-8:1, preferably 1-5:1.
In another preferred example, the acrylic dispersions are Bayhydrol A 2695, Bayhydrol A
2546, Bayhydrol A 2646, Antkote 2042, Ankote 2033, or combinations thereof.
In another preferred example, the acrylic dispersions are Bayhydrol A 2695 and Bayhydrol A
2546。
In another preferred example, the acrylic dispersions contain the Bayhydrol A 2546 of 5-30 parts by weight
With the Bayhydrol A 2695 of 30-60 parts by weight.
In another preferred example, in the acrylic dispersions, Bayhydrol A 2695 and Bayhydrol A
2546 weight ratio is 1:8-8:1, preferably 1-5:1, is more preferably 1-3:1.
In another preferred example, the type siloxane dispersing agent is selected from the group: BYK-333, BYK-346, DIS-188A,
BYK-190, FA-182, EFKA-4560, W-511, or combinations thereof.
In another preferred example, the type siloxane dispersing agent is BYK-333 and BYK-346.
In another preferred example, the type siloxane dispersing agent contains BYK-346 and the 0.01-2 weight of 0.01-3 parts by weight
Measure the BYK-333 of part.
In another preferred example, in the type siloxane dispersing agent, the weight ratio of BYK-333 and BYK-346 are 1:1-5,
It is more preferably 1:1-3.
In another preferred example, the organic silicon defoaming agent is selected from the group: BYK-094, BYK-022, Tego-901W,
W-0505, W-0506, or combinations thereof；And/or
The non-organic silicon class defoaming agent is selected from the group: BYK-1711, W-094, W-082, or combinations thereof.
In another preferred example, the weight ratio of organic silicon defoaming agent described in component A and non-organic silicon class defoaming agent is
1-5:5-1, preferably 1-3:3-1.It is more preferably 1-2:2-1.
In another preferred example, the organic silicon defoaming agent is BYK-094.
In another preferred example, the non-organic silicon class defoaming agent is BYK-1711.
In another preferred example, other described auxiliary agents contain the increasing of the coalescing agent and/or 0-5 parts by weight of 0-5 parts by weight
Thick dose, the thickener of coalescing agent and/or 0.1-3 parts by weight preferably containing 0.1-3 parts by weight more preferably contains 0.5-3
The coalescing agent of parts by weight and/or the thickener of 0.5-2 parts by weight.
In another preferred example, the coalescing agent is selected from the group: Lauryl Alcohol ester (Texanol), propylene glycol phenylate
(PPH), Coasol, or combinations thereof.
In another preferred example, the thickener is selected from the group: Borchi Gel 0435, BYK-420, Borchi Gel
0434, RM-8W, or combinations thereof.
In another preferred example, the Isocyanates curing agent is selected from the group: Bayhydur XP 2547, Bayhydur
XP 2655, Bayhydur 305, Aquol in 278, Aquol in 161, or combinations thereof.
In another preferred example, the varnish product is prepared using the method for second aspect of the present invention.
The second aspect of the present invention provides a kind of preparation method of varnish product described in first aspect present invention, institute
The method of stating includes the following steps:
1) the first packaging is provided, component A is fitted into first packaging, the first container described in claim 1 is obtained；
Wherein, component A is prepared as follows:
A-1) under agitation, in parts by weight by the first polyacrylate dispersion, coalescing agent, thickener,
One type siloxane dispersing agent, organic silicon defoaming agent and water are added in the second polyacrylate dispersion, obtain the first mixed liquor；
A-2) under agitation, the second type siloxane dispersing agent, non-organic silicon class defoaming agent are added in parts by weight
Step a-1) obtained by the first mixed liquor in, obtain component A；
In another preferred example, further comprise the steps of: after the step a-2) and add water to step a-2) in products therefrom, system
Obtain component A.
2) the second packaging is provided, component B is fitted into second packaging, second container described in claim 1 is obtained；
Wherein, component B is Isocyanates curing agent；
3) first packaging and second packaging are assembled, varnish product described in claim 1 is obtained.
In another preferred example, first polyacrylate dispersion is selected from the group: Bayhydrol A2546,
Bayhydrol A 2646, Antkote 2042, or combinations thereof；And/or
Second polyacrylate dispersion is selected from the group: Bayhydrol A 2695, Ankote 2033 or its group
It closes；And/or
The first type siloxane dispersing agent is selected from the group: BYK-346, FA-182, BYK-190, EFKA-4560 or its
Combination；And/or
The second type siloxane dispersing agent is selected from the group: BYK-333, DIS-188A, W-511, or combinations thereof.
In another preferred example, the coalescing agent is selected from the group: Lauryl Alcohol ester (Texanol), propylene glycol phenylate
(PPH), Coasol, or combinations thereof.
In another preferred example, the thickener is selected from the group: Borchi Gel 0435, BYK-420, Borchi Gel
0434, RM-8W, or combinations thereof.
In another preferred example, the organic silicon defoaming agent is selected from the group: BYK-094, BYK-022, Tego-901W,
W-0505, W-0506, or combinations thereof.
In another preferred example, the non-organic silicon class defoaming agent is selected from the group: BYK-1711, W-094, W-082 or its
Combination.
In another preferred example, the Isocyanates curing agent is selected from the group: Bayhydur XP 2547, Bayhydur
XP 2655, Bayhydur 305, Aquol in 278, Aquol in 161, or combinations thereof.
In another preferred example, in step a-1), the content of each component is as follows in first mixed liquor:
The first polyacrylate dispersion of 5-30 parts by weight；
0.1-5 parts by weight coalescing agent；
0.1-5 parts by weight of thickening agent；
0.01-3 parts by weight the first type siloxane dispersing agent；
0.01-5 parts by weight organic silicon defoaming agent；
0.5-20 parts by weight water；
The second polyacrylate dispersion of 20-60 parts by weight.
In another preferred example, the content of each component is as follows in first mixed liquor:
The first polyacrylate dispersion of 8-25 parts by weight；
0.5-3 parts by weight coalescing agent；
0.4-3 parts by weight of thickening agent；
0.2-2 parts by weight the first type siloxane dispersing agent；
0.1-2 parts by weight organic silicon defoaming agent；
1-10 parts by weight water；
The second polyacrylate dispersion of 30-50 parts by weight.
In another preferred example, step a-2) in, the parts by weight of the second type siloxane dispersing agent are 0.01-2, non-organic
The parts by weight of silicon class defoaming agent are 0.01-5.
In another preferred example, step a-2) in, the parts by weight of the second type siloxane dispersing agent are 0.1-1, non-organic
The parts by weight of silicon class defoaming agent are 0.1-2.
In another preferred example, the content of Isocyanates curing agent is 13-30 parts by weight isocyanide in second packaging
Esters of gallic acid curing agent, preferably 15-25 parts by weight are more preferably 18-23 parts by weight.
The third aspect of the present invention provides a kind of coating process of varnish product described in first aspect present invention, packet
Include following steps:
B-1) the first container and second container are mixed, obtain coating compound；
B-2 the coating compound) is optionally diluted；
B-3) substrate is coated with the coating compound；
B-4 after) spontaneously drying 2-10 hours, subsequent processing is carried out.
In another preferred example, step b-1) described in the first container and the weight ratio of second container be 1-10:1, preferably
Ground is 1-8:1, is more preferably 1-5:1.
In another preferred example, step b-2) parts by weight of diluent used that dilute are 15-60 parts by weight, preferably
Ground is 20-55 parts by weight, is more preferably 30-50 parts by weight.
The fourth aspect of the present invention, provides a kind of coating, and coating varnish as described in first aspect present invention produces
Product coat to obtain or coat to obtain using coating process described in third aspect present invention.
The fifth aspect of the present invention, provides a kind of product, and the product includes；
Substrate；With
Coating as described in the fourth aspect of the present invention, the coating coating is on the substrate.
In another preferred example, the substrate is organic terrace, concrete, mortar substrate, wood substrate, metal base.
It should be understood that above-mentioned each technical characteristic of the invention and having in below (eg embodiment) within the scope of the present invention
It can be combined with each other between each technical characteristic of body description, to form a new or preferred technical solution.As space is limited, exist
This no longer tires out one by one states.
Specific embodiment
The present inventor's in-depth study by long-term, it has unexpectedly been found that by using the formula of specific composition, can prepare
It is excellent to obtain a kind of top finishing excellent effect, chemical-resistance, and other comprehensive performances balance, and can be very good to meet national standard
It is required that indices varnish product.Specifically, by adding the type siloxane dispersing agent of certain content, and by specific suitable
Sequence adds the organic silicon defoaming agent and non-organic silicon class defoaming agent of special ratios amount, and a kind of top finishing effect can be prepared
The varnish good, chemical-resistance is excellent, hardness of paint film is high, adhesive force is strong, wearability is good, excellent impact resistance, non-skid property are good
Product.In addition, the varnish product also have the open hour it is long, can viscosity be almost unchanged in the construction time, it is a variety of to be suitable for
Common form of construction work and the advantages of performance is not lost.Based on above-mentioned discovery, inventor completes the present invention.
Term
As used herein, term " varnish product of the present invention ", " varnish product " or " dual-component aqueous polyurethane matt is clear
Paint product " is used interchangeably, and is referred both to containing the first container and second container, wherein
The first container contains component A, the component A contain 40-70 parts by weight of polypropylene esters of gallic acid dispersion,
0.01-5 parts by weight type siloxane dispersing agent, 0.01-5 parts by weight organic silicon defoaming agent, 0.01-5 parts by weight non-organic silicon class
Defoaming agent；
The second container contains component B, and the component B contains 10-35 parts by weight Isocyanates curing agent.
As used herein, term " containing " indicates that various composition can be applied to mixture or composition of the invention together
In.Therefore, term " mainly by ... form " and " consist of " were included in term " containing ".
Varnish product
The present invention provides a kind of varnish product, the varnish product contains the first container and second container, wherein
The first container contains component A, the component A contain 40-70 parts by weight of polypropylene esters of gallic acid dispersion,
0.01-5 parts by weight type siloxane dispersing agent, 0.01-5 parts by weight organic silicon defoaming agent, 0.01-5 parts by weight non-organic silicon class
Defoaming agent；
The second container contains component B, and the component B contains 10-35 parts by weight Isocyanates curing agent.
In the present invention, the acrylic dispersions, type siloxane dispersing agent, organic silicon defoaming agent, non-have
The type of machine silicon class defoaming agent and Isocyanates curing agent is not particularly limited, and can be selected as needed.
In the present invention, the content of other auxiliary agents described in the component A and water is not particularly limited, can as needed into
Row selection.
In another preferred example, the component A also contains optional other auxiliary agents of 0.01-20 parts by weight.
In another preferred example, the component A also contains 25-55 parts by weight water, preferably 30-45 parts by weight, more preferably
Ground is 32-40 parts by weight.
In another preferred example, the component A contains 50-70 parts by weight of polypropylene esters of gallic acid dispersion, 0.3-3 parts by weight
Type siloxane dispersing agent, 0.08-3 parts by weight organic silicon defoaming agent, 0.06-3.3 parts by weight non-organic silicon class defoaming agent and appoint
Other auxiliary agents of the 0.1-10 parts by weight of choosing.
In another preferred example, the component A contains 50-60 parts by weight of polypropylene esters of gallic acid dispersion, 0.5-2 parts by weight
Type siloxane dispersing agent, 0.12-1 parts by weight organic silicon defoaming agent, 0.1-2.5 parts by weight non-organic silicon class defoaming agent and appoint
Other auxiliary agents of the 0.5-8 parts by weight of choosing.
In another preferred example, the component B contains 13-30 parts by weight Isocyanates curing agent, preferably 15-25
Parts by weight are more preferably 18-23 parts by weight.
In the present invention, the weight ratio of the component A and component B is not particularly limited, and can be adjusted according to actual needs
It is whole.
Typically, the weight ratio of the component A and component B is 1-10:1.
In another preferred example, the weight ratio of the component A and component B is 1-8:1, preferably 1-5:1.
Typically, the acrylic dispersions include (but being not limited to): Bayhydrol A2695,
Bayhydrol A 2546, Bayhydrol A 2646, Antkote 2042, Ankote 2033, or combinations thereof.
Typically, the acrylic dispersions are Bayhydrol A 2695 and Bayhydrol A2546.
In the present invention, the content of Bayhydrol A 2695 and Bayhydrol A 2546 do not have special ratio to limit
System, can be selected as needed.
Typically, the acrylic dispersions contain the Bayhydrol A 2546 and 30-60 of 5-30 parts by weight
The Bayhydrol A 2695 of parts by weight.
In another preferred example, in the acrylic dispersions, Bayhydrol A 2695 and Bayhydrol A
2546 weight ratio is 1:8-8:1, preferably 1-5:1, is more preferably 1-3:1.
Typically, the type siloxane dispersing agent include (but being not limited to): BYK-333, BYK-346, DIS-188A,
BYK-190, FA-182, EFKA-4560, W-511, or combinations thereof.
Typically, the type siloxane dispersing agent is BYK-333 and BYK-346.Wherein, BYK-333 can be significantly increased clearly
The coating feel of product is painted, BYK-346 can significantly extend the open hour of varnish product.
In general, the content of BYK-333 and BYK-346 does not have special ratio to limit, can be selected as needed.
In another preferred example, the type siloxane dispersing agent contains BYK-346 and the 0.01-2 weight of 0.01-3 parts by weight
Measure the BYK-333 of part.
In another preferred example, in the type siloxane dispersing agent, the weight ratio of BYK-333 and BYK-346 are 1:1-5,
It is more preferably 1:1-3.
Typically, the organic silicon defoaming agent includes (but being not limited to): BYK-094, BYK-022, Tego-
901W, W-0505, W-0506, or combinations thereof；And/or
The non-organic silicon class defoaming agent include (but being not limited to): BYK-1711, W-094, W-082, or combinations thereof.
In the present invention, the weight ratio of the organic silicon defoaming agent and non-organic silicon class defoaming agent is not particularly limited,
It can be adjusted according to practical application.
Typically, the weight ratio of organic silicon defoaming agent described in component A and non-organic silicon class defoaming agent is 1-5:5-1,
Preferably 1-3:3-1 is more preferably 1-2:2-1.
In another preferred example, the organic silicon defoaming agent is BYK-094.
In another preferred example, the non-organic silicon class defoaming agent is BYK-1711.
In another preferred example, other described auxiliary agents contain the increasing of the coalescing agent and/or 0-5 parts by weight of 0-5 parts by weight
Thick dose, the thickener of coalescing agent and/or 0.1-3 parts by weight preferably containing 0.1-3 parts by weight more preferably contains 0.5-3
The coalescing agent of parts by weight and/or the thickener of 0.5-2 parts by weight.
In the present invention, the coalescing agent and thickener are not particularly limited, and can select the material of this field routine,
Or it is prepared with conventional method, or be commercially available from market.
Typically, the coalescing agent includes (but being not limited to): Lauryl Alcohol ester (Texanol), propylene glycol phenylate
(PPH), Coasol, or combinations thereof.
Typically, the thickener includes (but being not limited to): Borchi Gel 0435, BYK-420, Borchi
Gel 0434, RM-8W, or combinations thereof.
Typically, the Isocyanates curing agent includes (but being not limited to): Bayhydur XP 2547,
Bayhydur XP 2655, Bayhydur 305, Aquol in 278, Aquol in 161, or combinations thereof.
In another preferred example, the varnish product is prepared using the method for second aspect of the present invention.
Preparation method
The present invention also provides the preparation methods of the varnish product described in one kind, and described method includes following steps:
1) the first packaging is provided, component A is fitted into first packaging, the first container described in claim 1 is obtained；
Wherein, component A is prepared as follows:
A-1) under agitation, in parts by weight by the first polyacrylate dispersion, coalescing agent, thickener,
One type siloxane dispersing agent, organic silicon defoaming agent and water are added in the second polyacrylate dispersion, obtain the first mixed liquor；
A-2) under agitation, the second type siloxane dispersing agent, non-organic silicon class defoaming agent are added in parts by weight
Step a-1) obtained by the first mixed liquor in, obtain component A；
In another preferred example, further comprise the steps of: after the step a-2) and add water to step a-2) in products therefrom, system
Obtain component A.
2) the second packaging is provided, component B is fitted into second packaging, second container described in claim 1 is obtained；
Wherein, component B is Isocyanates curing agent；
3) first packaging and second packaging are assembled, varnish product described in claim 1 is obtained.
Typically, first polyacrylate dispersion includes (but being not limited to): Bayhydrol A2546,
Bayhydrol A 2646, Antkote 2042, or combinations thereof；And/or
Second polyacrylate dispersion include (but being not limited to): Bayhydrol A 2695, Ankote2033,
Or combinations thereof；And/or
The first type siloxane dispersing agent includes (but being not limited to): BYK-346, FA-182, BYK-190, EFKA-
4560, or combinations thereof；And/or
The second type siloxane dispersing agent includes (but being not limited to): BYK-333, DIS-188A, W-511 or its group
It closes.
In another preferred example, the coalescing agent includes (but being not limited to): Lauryl Alcohol ester (Texanol), the third two
Alcohol phenylate (PPH), Coasol, or combinations thereof.
In another preferred example, the thickener include (but being not limited to): Borchi Gel 0435, BYK-420,
Borchi Gel 0434, RM-8W, or combinations thereof.
In another preferred example, the organic silicon defoaming agent includes (but being not limited to): BYK-094, BYK-022,
Tego-901W, W-0505, W-0506, or combinations thereof.
In another preferred example, the non-organic silicon class defoaming agent includes (but being not limited to): BYK-1711, W-094, W-
082, or combinations thereof.
In another preferred example, the Isocyanates curing agent includes (but being not limited to): Bayhydur XP 2547,
Bayhydur XP 2655, Bayhydur 305, Aquol in 278, Aquol in 161, or combinations thereof.
In another preferred example, in step a-1), the content of each component is as follows in first mixed liquor:
The first polyacrylate dispersion of 5-30 parts by weight；
0.1-5 parts by weight coalescing agent；
0.1-5 parts by weight of thickening agent；
0.01-3 parts by weight the first type siloxane dispersing agent；
0.01-5 parts by weight organic silicon defoaming agent；
0.5-20 parts by weight water；
The second polyacrylate dispersion of 20-60 parts by weight.
In another preferred example, the content of each component is as follows in first mixed liquor:
The first polyacrylate dispersion of 8-25 parts by weight；
0.5-3 parts by weight coalescing agent；
0.4-3 parts by weight of thickening agent；
0.2-2 parts by weight the first type siloxane dispersing agent；
0.1-2 parts by weight organic silicon defoaming agent；
1-10 parts by weight water；
The second polyacrylate dispersion of 30-50 parts by weight.
In another preferred example, step a-2) in, the parts by weight of the second type siloxane dispersing agent are 0.01-2, non-organic
The parts by weight of silicon class defoaming agent are 0.01-5.
In another preferred example, step a-2) in, the parts by weight of the second type siloxane dispersing agent are 0.1-1, non-organic
The parts by weight of silicon class defoaming agent are 0.1-2.
In another preferred example, the content of Isocyanates curing agent is 13-30 parts by weight isocyanide in second packaging
Esters of gallic acid curing agent, preferably 15-25 parts by weight are more preferably 18-23 parts by weight.
Using
The present invention also provides the coating process of the varnish product described in one kind, include the following steps:
B-1) the first container and second container are mixed, obtain coating compound；
B-2 the coating compound) is optionally diluted；
B-3) substrate is coated with the coating compound；
B-4 after) spontaneously drying 2-10 hours, subsequent processing is carried out.
In another preferred example, step b-1) described in the first container and the weight ratio of second container be 1-10:1, preferably
Ground is 1-8:1, is more preferably 1-5:1.
In another preferred example, step b-2) parts by weight of diluent used that dilute are 15-60 parts by weight, preferably
Ground is 20-55 parts by weight, is more preferably 30-50 parts by weight.
In the present invention, the diluent is not particularly limited, and can be selected in very large range according to actual needs
It selects.
The present invention also provides a kind of coating, the coating is coated to obtain or using the painting by the varnish product
Dress method coats to obtain.
The present invention also provides a kind of product, the product includes；
Substrate；With
The coating, the coating coating is on the substrate.
In the present invention, the substrate is not particularly limited.
Typically, the substrate include (but being not limited to): organic terrace, concrete, mortar substrate, wood substrate,
Metal base.
Compared with similar product in the market, the present invention has following major advantage:
(1) the varnish product open hour it is long, can the construction time be long, viscosity is can almost unchanged, performance in the construction time
Stabilization is not easy to lose；
(2) varnish product is easy for construction, not fastidious construction environment, is suitable for a variety of common forms of construction work；
(3) varnish product is suitable for plurality of classes substrate, and storage is good；
(4) varnish product setting rate can go up people in general 10 hours after coating fastly, under room temperature；
(5) gloss of film is low after varnish product painting, non-wet look, can be also convenient for cleaning to avoid light pollution；
(6) surface of the paint film coating effect is excellent, chemical-resistance is excellent；
(7) hardness of paint film is high, adhesive force is strong；
(8) paint film wearability is high, impact resistance is excellent.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to conventional strip
Part or according to the normal condition proposed by manufacturer.Unless otherwise stated, otherwise percentage and number are calculated by weight.
Unless otherwise defined, it anticipates known to all professional and scientific terms as used herein and one skilled in the art
Justice is identical.In addition, any method similar to or equal to what is recorded and material can be applied to the method for the present invention.Wen Zhong
The preferred implement methods and materials are for illustrative purposes only.
Raw material used in following embodiment is as shown in table 1:
Table 1
1 varnish product 1 of embodiment
Component A: by the Bayhydrol A 2546 of 16.64 parts by weight, the coalescing agent (Lauryl Alcohol of 0.81 parts by weight
Ester), the thickener (BYK-420) of 0.32 parts by weight, the thickener (Borchi Gel 0435) of 0.44 parts by weight, 0.55 weight
The deionized water of the dispersing agent (BYK-346) of part, the defoaming agent (BYK-094) of 0.22 parts by weight and 2.92 parts by weight is in dispersion speed
It successively puts into the Bayhydrol A 2695 of 42.72 parts by weight, stirs 15 minutes when rate 1500rpm.Then again by 0.44
The dispersing agent (BYK-333) of parts by weight and the defoaming agent (BYK-1711) of 0.22 parts by weight are successively put into wherein, with 1500rpm's
Stirring rate disperses 15min.The deionized water of 34.72 parts by weight is added again after being uniformly dispersed, then with the dispersion of 800rpm
Rate disperses to can be prepared by component A in 10 minutes.
Component B:22 parts by weight Bayhydur XP 2547.
Sub-light varnish product: component B is added in component A and is uniformly mixing to obtain sub-light varnish product 1.
As a result
It tests according to GB/T22374-2008, as a result as shown in table 2 below, all meets the requirements.
The performance of the sub-light varnish product 1 of 2 embodiment 1 of table preparation
2 varnish product 2 of embodiment
Component A: by the Bayhydrol A 2546 of 16.64 parts by weight, the coalescing agent (Lauryl Alcohol of 0.90 parts by weight
Ester), the thickener (BYK-420) of 0.32 parts by weight, the thickener (Borchi Gel 0435) of 0.44 parts by weight, 0.45 weight
The deionized water of the dispersing agent (BYK-346) of part, the defoaming agent (BYK-094) of 0.22 parts by weight and 2.92 parts by weight is in dispersion speed
It successively puts into the Bayhydrol A 2695 of 42.72 parts by weight, stirs 15 minutes when rate 1500rpm.Then again by 0.34
The dispersing agent (BYK-333) of parts by weight and the defoaming agent (BYK-1711) of 0.22 parts by weight are successively put into wherein, with 1500rpm's
Stirring rate disperses 15min.The deionized water of 34.72 parts by weight is added again after being uniformly dispersed, then with the dispersion of 800rpm
Rate disperses to can be prepared by component A in 10 minutes.
Component B:21.978 parts by weight Bayhydur XP 2547.
Sub-light varnish product: component B is added in component A and is uniformly mixing to obtain sub-light varnish product 2.
As a result
It tests according to GB/T22374-2008, as a result as shown in table 3 below, all meets the requirements.
The performance of the sub-light varnish product 2 of 3 embodiment 2 of table preparation
3 varnish product 3 of embodiment
Component A: by the Bayhydrol A 2546 of 16.64 parts by weight, the coalescing agent (Lauryl Alcohol of 1.5 parts by weight
Ester), the thickener (BYK-420) of 0.32 parts by weight, the thickener (Borchi Gel 0435) of 0.44 parts by weight, 0.55 weight
The deionized water of the dispersing agent (BYK-346) of part, the defoaming agent (BYK-094) of 0.22 parts by weight and 2.92 parts by weight is in dispersion speed
It successively puts into the Bayhydrol A 2695 of 39.72 parts by weight, stirs 15 minutes when rate 1500rpm.Then again by 0.44
The dispersing agent (BYK-333) of parts by weight and the defoaming agent (BYK-1711) of 0.22 parts by weight are successively put into wherein, with 1500rpm's
Stirring rate disperses 15min.The deionized water of 38.41 parts by weight is added again after being uniformly dispersed, then with the dispersion of 800rpm
Rate disperses to can be prepared by component A in 10 minutes.
Component B:22.30 parts by weight Bayhydur XP 2547.
Sub-light varnish product: component B is added in component A and is uniformly mixing to obtain sub-light varnish product 3.
As a result
It tests according to GB/T22374-2008, as a result as shown in table 4 below, all meets the requirements.
The performance of the sub-light varnish product 3 of 4 embodiment 3 of table preparation
Each component content table in table 5 embodiment 1-3 and comparative example 1-3
1 varnish products C 1 of comparative example
With embodiment 1, difference is: first adding defoaming agent (BYK-1711), adds defoaming agent (BYK-094) afterwards
As a result
There are many blisterings for varnish product surface when 1 can opening of varnish products C prepared by comparative example 1.After roller application, paint
Film surface still will appear some vesicles, and will not rupture.
It is different from comparative example 1, the case where varnish product 1 prepared by embodiment 1 is then not in this small microvesicle.
The experimental result of comparative example 1 and comparative example 1 can be seen that the order of addition of defoaming agent to obtained varnish
The antifoam performance of product has larger impact.BYK-094 belongs to the organic silicon defoamer with foam-inhibiting effect, and oneself viscosity compares
Height need to can just give full play to its effect through high speed dispersion, therefore need first to add, to control the bubble of machinery caused by high speed dispersion.
And BYK-1711 is the defoaming agent of polymer type, has very strong brokenly bubble ability, and the bubble in work progress can be made to abolish rapidly,
The defoaming agent viscosity is lower, its effect can be played by not needing very strong shear efficiency, therefore when it is used in combination with BYK-094
When, it needs to add BYK-1711 again after adding BYK-094, just the antifoam performance of varnish product can be made to be optimized.
2 varnish products C 2 of comparative example
With embodiment 1, difference is: while adding defoaming agent (BYK-1711) and defoaming agent (BYK-094).
As a result
Although the varnish product surface blistering in can opening of varnish products C 2 prepared by comparative example 2 is less, through roller coating
After construction, what can be will be apparent that sees that there are many constructions to bubble out now, and construction bubble is difficult to eliminate.
The experimental result of comparative example 1 and comparative example 2 can be seen that the addition manner of defoaming agent to obtained varnish
The antifoam performance of product has larger impact.BYK-1711 is added together with BYK-094, although BYK-094 has played it
Effect, it is suppressed that the mechanical bubble generated in production process, but BYK-1711, due to excessively dispersing, the effect of brokenly bubble is
It reduces, therefore during roller application, varnish product easily generates construction and steeps and be difficult to eliminate by the defoaming system of itself broken
It splits, to remain in surface of the paint film.
3 varnish products C 3 of comparative example
With embodiment 1, difference is: not adding BYK-1711.
As a result
Defoaming agent BYK-1711 is not added in the varnish products C 3 as prepared by comparative example 3, only using BYK-094 as disappearing
Infusion, the defoaming agent foam inhibition ability is strong, in coating material production whipping process, can inhibit the generation of bubble well.But
When construction, the construction bubble that roller is brought out then is difficult to be eliminated, therefore surface of the paint film can still have a considerable amount of construction bubbles.
It is found that in varnish product of the present invention, BYK-094 and BYK-1711 must by integrated embodiment 1 and comparative example 1-3
Must exist simultaneously, and BYK-094 needs first to add and play a role after high speed dispersion is uniform, and BYK-1711 then can after
It adds and does not need excessive shearing force.
Embodiment 1 and commercial product are compared, indices are as shown in table 6 below:
The comparison result of 6 embodiment of table 1 varnish product 1 and commercial product
From table 6 can with it is further seen that, compared with commercial product, varnish product of the present invention hardness, adhesion,
The various aspects such as wearability, impact resistance, chemical-resistance and storage stability have significant advantage.
In addition, the varnish product, in terms of workability, levelability and open hour are also superior to commercial product.
In conclusion the varnish produces the present invention provides a kind of dual-component aqueous polyurethane sub-light varnish product of profession
Product have excellent physicochemical property, and 7d pencil hardness can reach 2H, and good with substrate adhesion, wear-resisting≤20mg, impact resistance is excellent,
Chemical-resistance is excellent, and other indices meet national standard.In addition, the varnish product can the construction time it is long, and
Longer physical property and chemical corrosion resistance a higher level can be stable in the construction time.Also, it is described clear
Painting product rapid curing, form of construction work multiplicity can be used a variety of forms of construction work such as roller coating, brushing or spraying at room temperature,
By A, B component, viscosity is suitable for directly construction to ratio after mixing as required, and easy for construction, the period is short and function admirable.
All references mentioned in the present invention is incorporated herein by reference, independent just as each document
It is incorporated as with reference to such.In addition, it should also be understood that, after reading the above teachings of the present invention, those skilled in the art can
To make various changes or modifications to the present invention, such equivalent forms equally fall within model defined by the application the appended claims
It encloses.
Claims (9)
1. a kind of varnish product, which is characterized in that the varnish product contains the first container and second container, wherein
The first container contains component A, and the component A contains
The first polyacrylate dispersion of 5-30 parts by weight；
0.1-5 parts by weight coalescing agent；
0.1-5 parts by weight of thickening agent；
0.01-3 parts by weight the first type siloxane dispersing agent；
0.01-5 parts by weight organic silicon defoaming agent；
0.5-20 parts by weight water；
The second polyacrylate dispersion of 20-60 parts by weight；
0.01-2 parts by weight the second type siloxane dispersing agent；
0.01-5 parts by weight non-organic silicon class defoaming agent；
The second container contains component B, and the component B contains 10-35 parts by weight Isocyanates curing agent；
The organic silicon defoaming agent is selected from the group: BYK-094, Tego-901W, W-0505, W-0506, or combinations thereof；And institute
Non-organic silicon class defoaming agent is stated to be selected from the group: BYK-1711, W-094, W-082, or combinations thereof；
The weight ratio of organic silicon defoaming agent described in the component A and non-organic silicon class defoaming agent is 1-5:5-1；
Wherein, the component A is prepared as follows:
A-1) under agitation, in parts by weight by the first acrylic dispersions, coalescing agent, thickener, first
Type siloxane dispersing agent, organic silicon defoaming agent and water are added in the second acrylic dispersions, obtain the first mixed liquor；
A-2) under agitation, step is added in the second type siloxane dispersing agent, non-organic silicon class defoaming agent in parts by weight
A-1 in the first mixed liquor obtained by), component A is obtained.
2. varnish product as described in claim 1, which is characterized in that the weight ratio of the component A and component B is 1-10:1.
3. varnish product as described in claim 1, which is characterized in that first polyacrylate dispersion is selected from the group:
Bayhydrol A 2546, Bayhydrol A 2646, Antkote 2042, or combinations thereof；And/or
Second polyacrylate dispersion is selected from the group: Bayhydrol A 2695, Ankote 2033, or combinations thereof.
4. varnish product as described in claim 1, which is characterized in that the first type siloxane dispersing agent is selected from the group:
BYK-346, FA-182, BYK-190, EFKA-4560, or combinations thereof；And/or
The second type siloxane dispersing agent is selected from the group: BYK-333, DIS-188A, W-511, or combinations thereof.
5. varnish product as described in claim 1, which is characterized in that the Isocyanates curing agent is selected from the group:
Bayhydur XP 2547, Bayhydur XP 2655, Bayhydur 305, Aquolin 278, Aquolin 161 or its group
It closes.
6. a kind of preparation method of varnish product described in claim 1, which is characterized in that described method includes following steps:
1) the first packaging is provided, component A is fitted into first packaging, the first container described in claim 1 is obtained；Its
In, component A is prepared as follows:
A-1) under agitation, in parts by weight by the first polyacrylate dispersion, coalescing agent, thickener, the first silicon
Oxygen alkanes dispersing agent, organic silicon defoaming agent and water are added in the second polyacrylate dispersion, obtain the first mixed liquor；
A-2) under agitation, step is added in the second type siloxane dispersing agent, non-organic silicon class defoaming agent in parts by weight
A-1 in the first mixed liquor obtained by), component A is obtained；
2) the second packaging is provided, component B is fitted into second packaging, second container described in claim 1 is obtained；Its
In, component B is Isocyanates curing agent；
3) first packaging and second packaging are assembled, varnish product described in claim 1 is obtained.
7. a kind of coating process of varnish product described in claim 1, which comprises the steps of:
B-1) the first container and second container are mixed, obtain coating compound；
B-2 the coating compound) is optionally diluted；
B-3) substrate is coated with the coating compound；
B-4 after) spontaneously drying 2-10 hours, subsequent processing is carried out.
8. a kind of coating, which is characterized in that the coating is coated to obtain or use right by varnish product described in claim 1
It is required that coating process described in 7 coats to obtain.
9. a kind of product, which is characterized in that the product includes:
Substrate；With
Coating as claimed in claim 8, the coating coating is on the substrate.
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| CN107964342A (en) * | 2017-10-12 | 2018-04-27 | 山东七维新材料有限公司 | A kind of high-performance dual-component aqueous varnish of water-fast and resistance to strong acid, alkali |
| CN108129970A (en) * | 2017-12-25 | 2018-06-08 | 哈尔滨工业大学 | Big aqueous polyurethane coating of a kind of minimum blistering thickness and preparation method thereof |
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| CN113372799B (en) * | 2021-05-25 | 2022-07-19 | 青岛爱尔家佳新材料股份有限公司 | Water-based bi-component anti-skid coating and preparation method thereof |
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