CN105331267B - A kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory and preparation method thereof - Google Patents
A kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory and preparation method thereof Download PDFInfo
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- CN105331267B CN105331267B CN201510777635.7A CN201510777635A CN105331267B CN 105331267 B CN105331267 B CN 105331267B CN 201510777635 A CN201510777635 A CN 201510777635A CN 105331267 B CN105331267 B CN 105331267B
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Abstract
The invention belongs to paint field, it is related to special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory and preparation method thereof, the coating is mixed by mixture A and polyurethane curing agent, and mixture A is：Water-based acrylic resin, 45~65 parts；Temperature-sensitive powder, 10~20 parts；Light-resistant scarlet BBN, 1~10 part；Ultraviolet absorber, 1~10 part；Anti-settling agent, 1~5 part；Dispersant, 1~5 part；Defoamer, 1~5 part；Butyl acetate, 5~10 parts；Dimethylbenzene, 5~10 parts；The preparation method of the coating includes three steps：S1. acrylic resin, dispersant, anti-settling agent, defoamer, butyl acetate and dimethylbenzene are sufficiently mixed；S2. the obtained mixture of temperature-sensitive powder, light-resistant scarlet BBN, ultraviolet absorber and S1 is fully ground and obtains mixture A；S3. mixture A is sufficiently mixed with polyurethane curing agent.Beneficial effects of the present invention are that the coating has the function of reversible temperature indicating, and its preparation method is easily industrialized, and has good application prospect.
Description
Technical field
The invention belongs to paint field, it is related to a kind of thermo-color, especially a kind of weatherability transformer accessory is special can
Inverse temperature indicating Sunscreen paint and preparation method thereof.
Background technology
Power transformer is the capital equipment in transformer station, and the quality of its performance can directly affect electric service level, is become
Depressor plays the vital task of energy conversion and conveying in power system, and the long-term operating environment out of doors of power transformer is disliked
Bad, transformer accessory overheat is one of most common failure, the running temperature of transformer be determine transformer service life it is main because
Element.If the running temperature of transformer exceedes permissible value, the easy aging of insulation of transformer, in electrodynamic effect for a long time
Under, rupture is produced, and easily occur electrically to puncture and cause failure.And once occur accident, the confession to certain customers will be interrupted
Electricity, the reparation time used is also longer, can cause serious economic loss.Therefore, the long-term temperature range in permission of transformer is made
Interior operation is most important, and present invention adds functional pigment light-resistant scarlet BBN, resinoid bond selection acrylic/polyurethane
System, makes the characteristics of coating had both had high rigidity, high richness, fast light weatherability and the strong chemical-resistant of acrylic coating,
There is the good adhesive force of polyurethane coating, flexible advantage again, raw material is cheap, excellent performance so that the present invention has well
Prospect of the application.
When coating be heated to certain temperature and occur color or other phenomenons change come indicator body surface temperature and temperature
The coating of degree distribution is referred to as thermo-color, also commonly referred to as allochroic paint or sapecial coating, due to its special use value,
Before and after World War II, some countries are studied and produced to thermo-color, and China just opens from 1960s
Begin the research to thermo-color.Check that transformer accessory (such as pile crown) temperature uses infrared measurement of temperature method, this method at present
Cost of labor is high, and when equipment mounting distance ground is higher, and operation maintenance personnel need to ascend a height operation, increase danger.This hair
It is bright can be by the change of temperature, operation maintenance personnel is just observed that on ground scribbles or is dispersed with visible color change coating shell face
The change of color, judges equipment whether within the scope of the temperature residing in normal work, can substitute infrared measurement of temperature work, more directly
See.
The content of the invention
There is provided a kind of special reversible sun-proof painting of temperature indicating of weatherability transformer accessory for deficiency of the prior art by the present invention
Material and preparation method thereof, is convenient for people to judge with its color of shell substantially temperature during its work using the transformer accessory of the coating
Degree.
The present invention uses technical scheme as follows：A kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, by
Mixture A and polyurethane curing agent are according to part by weight 6~10:1 mixes, and the mixture A is by following parts by weight meter
Component is constituted：
Water-based acrylic resin, 45~65 parts；
Temperature-sensitive powder, 10~20 parts；
Light-resistant scarlet BBN, 1~10 part；
Ultraviolet absorber, 1~10 part；
Anti-settling agent, 1~5 part；
Dispersant, 1~5 part；
Defoamer, 1~5 part；
Butyl acetate, 5~10 parts；
Dimethylbenzene, 5~10 parts.
Preferably, the discoloring temperature of the temperature-sensitive powder is any temperature spot or either segment temperature in the range of 50 DEG C~70 DEG C
It is interval.During conventional common transformer accessory normal work below 50 DEG C of temperature range, as long as temperature is not for a long time more than 70 DEG C,
Transformer accessory will not also be damaged, therefore preferably temperature-sensitive powder of the discoloring temperature at 50 DEG C~70 DEG C.
Preferably, the ultraviolet absorber is one kind in UV-531, UVP-327, UVP-328 or any several mixing
Thing.This three kinds of ultraviolet absorbers, it is cheap and easy to get and strong to the ultraviolet radiation absorption in sunlight, coating can be made to prevent with good
Shine weatherability.The polyurethane curing agent is any one in N3390, L75, N75 that Beyer Co., Ltd produces, described aqueous third
Olefin(e) acid resin is any one in XP-418, XP-431, XP-804.
Preferably, described dispersant is Tego Dispers 750W, Tego Dispers 715W, Tego Dispers
710th, in EFKA4310, BYK-161 one kind or any several mixture, described defoamer is Deform 5300, Tego
825th, in Tego 932 one kind or any several mixture.
Preferably, the anti-settling agent by organobentonite, absolute ethyl alcohol, dimethylbenzene according to 1~2：1：15~20 weight
Mixture or aerosil that ratio is mixed to prepare.
The preparation method of the invention that a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory is also provided, including with
Lower step:
S1. it is sufficiently stirred for after mixing acrylic resin, dispersant, anti-settling agent, defoamer, butyl acetate and dimethylbenzene
The finely dispersed mixture of each component, the acrylic resin, dispersant, anti-settling agent, defoamer, butyl acetate and dimethylbenzene
Parts by weight are followed successively by：45~65 parts, 1~5 part, 1~5 part, 1~5 part, 5~10 parts, 5~10 parts；
S2. by the ultraviolet of the temperature-sensitive powder, the light-resistant scarlet BBN of 1~10 parts by weight, 1~10 parts by weight of 10~20 parts by weight
Absorbent is put into the fineness of powder being fully ground in grinder into grinder with the mixture in S1 and reaches 40 μm in the lump
Hereinafter, mixture A is obtained；
S3. by mixture A and polyurethane curing agent according to part by weight 6~10:1 mixes and is sufficiently stirred for, and obtains transformation
The special reversible temperature indicating Sunscreen paint of device accessory.
Preferably, the discoloring temperature of the temperature-sensitive powder is any temperature spot or either segment temperature in the range of 50 DEG C~70 DEG C
It is interval.
Preferably, the ultraviolet absorber is one kind in UV-531, UVP-327, UVP-328 or any several mixing
Thing, the polyurethane curing agent is any one in N3390, L75, N75, and the water-based acrylic resin is XP-418, XP-
431st, any one in XP-804.
Preferably, described dispersant is Tego Dispers 750W, Tego Dispers 715W, Tego Dispers
710th, in EFKA4310, BYK-161 one kind or any several mixture, described defoamer is Deform 5300, Tego
825th, in Tego 932 one kind or any several mixture.
Preferably, the anti-settling agent by organobentonite, absolute ethyl alcohol, dimethylbenzene according to 1~2：1：15~20 weight
Mixture or aerosil that ratio is mixed to prepare.
The beneficial effects of the invention are as follows：Resin-bonded system selects acrylic/polyurethane system, and coating both has acrylic acid
The characteristics of high rigidity of cold coating, high richness, fast light weatherability and strong chemical-resistant, have polyurethane coating good again
Adhesive force, flexible advantage, raw material is cheap, excellent performance, normal-temperature operation, the good processing performance such as easy construction, makes
Obtain of the invention with good industrial prospect；The rational proportion of each component, can be in transformation with reference to the addition of unique temperature-sensitive powder
The quick color-changing when temperature of device accessory is too high, to staff with warning function, reduces the possibility that failure occurs, meanwhile, it is right
In the elevated situation of short time temperature, treat that temperature lowers, color is understood oneself and restored, make staff to the temperature of transformer accessory
Degree has simplicity to get information about；Light-resistant scarlet BBN is added, coating can be further improved on the basis of the original performance of coating
Sun-proof performance；Ultraviolet absorber is added, the high energy ultraviolet in sunlight can be absorbed, make high energy, harmful ultraviolet light becomes
Low energy, harmless heat energy, while the UV absorbers are low in cost and easily available, can put into industrial application；One kind that the present invention is provided
The preparation method of the special reversible temperature indicating Sunscreen paint coating of weatherability transformer accessory, the raw material used is easy to get and inexpensive, system
Standby process is simple, suitable for large-scale production, and coating made from this method not only has the function of reversible temperature indicating, while having excellent
Sun-proof weatherability, future can have good development prospect.
Embodiment
The principle and feature to the present invention are described with reference to embodiments, and the given examples are served only to explain the present invention,
It is not intended to limit the scope of the present invention.Method used in the present invention, is conventional method, this hair unless otherwise required
Reagent used in bright, is commercially available prod unless otherwise required.
Embodiment 1：
The present invention provides a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, by mixture A and polyurethane
Curing agent N3390 is according to part by weight 8：1 mixes, and each specific weight of material is as follows in the mixture A：
Water-based acrylic resin XP-418,550g；
Temperature-sensitive powder (discoloring temperature point is 60 DEG C), 150g；
Light-resistant scarlet BBN, 50g；
Ultraviolet absorber UV-531,50g；
Anti-settling agent aerosil, 25g；
Dispersant Tego Dispers 750W, 25g；
Defoamer Deform 530,25g；
Butyl acetate, 75g；
Dimethylbenzene, 75g.
To sum up, the weight of the mixture A is 1025g, and corresponding polyurethane curing agent N3390 weight is about 128g.
The preparation method of the invention that a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory is also provided, including with
Lower step:
S1. by 550g water-based acrylic resin XP-418,25g dispersant ego Dispers 750W, 25g anti-settling agent gas phases
Silica, 25g defoamers Deform 530,75g butyl acetates and 75g dimethylbenzene mixing after be sufficiently stirred for each component disperse
Uniform mixture.
S2. by the ultraviolet absorber of 150g temperature-sensitive powder (discoloring temperature point is 60 DEG C), 50g light-resistant scarlet BBN and 50g
The mixture in UV-531 and S1 is put into the fineness of powder being fully ground in grinder into grinder and reaches 40 μm in the lump
Mixture A is obtained below；
S3. by the mixture A and polyurethane curing agent N3390 according to part by weight 8:1 mixes and is sufficiently stirred for becoming
The special reversible temperature indicating Sunscreen paint of depressor accessory, the polyurethane curing agent N3390 used weight about 128g.
Embodiment 2：
The present invention provides a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, by mixture A and polyurethane
Curing agent L75 is according to part by weight 6：1 mixes, and each specific weight of material is as follows in the mixture A：
Water-based acrylic resin XP-431,450g；
Temperature-sensitive powder (discoloring temperature point is 60 DEG C), 100g；
Light-resistant scarlet BBN, 10g；
Ultraviolet absorber UVP-327,10g；
Anti-settling agent aerosil, 10g；
Dispersant EFKA4310,10g；
Defoamer Tego 825,10g；
Butyl acetate, 50g；
Dimethylbenzene, 50g.
To sum up, the weight of the mixture A is 700g, and corresponding polyurethane curing agent L75 weight is about 117g.
The preparation method of the invention that a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory is also provided, including with
Lower step:
S1. by 450g water-based acrylic resin XP-431,10g dispersant EFKA4310,10g anti-settling agent gas phase titanium dioxides
Be sufficiently stirred for after silicon, 10g defoamers Tego 825,50g butyl acetates and the mixing of 50g dimethylbenzene each component is finely dispersed mixed
Compound.
S2. by the ultraviolet absorber of 100g temperature-sensitive powder (discoloring temperature point is 60 DEG C), 10g light-resistant scarlet BBN and 10g
The mixture in UV-531 and S1 is put into the fineness of powder being fully ground in grinder into grinder and reaches 40 μm in the lump
Mixture A is obtained below；
S3. by the mixture A and polyurethane curing agent L75 according to part by weight 6:1 mixes and is sufficiently stirred for obtaining transformation
The special reversible temperature indicating Sunscreen paint of device accessory, the polyurethane curing agent L75 used weight about 117g.
Embodiment 3：
The present invention provides a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, by mixture A and polyurethane
Curing agent N75 is according to part by weight 10：1 mixes, and each specific weight of material is as follows in the mixture A：
Water-based acrylic resin XP-804,650g；
Temperature-sensitive powder (discoloring temperature point is 60 DEG C), 200g；
Light-resistant scarlet BBN, 100g；
Ultraviolet absorber UVP-328,100g；
Anti-settling agent, 50g；
Dispersant B YK-161,50g；
Defoamer Tego 932,50g；
Butyl acetate, 100g；
Dimethylbenzene, 100g.
The anti-settling agent is by organobentonite, absolute ethyl alcohol, dimethylbenzene according to 1~2：1：15~20 part by weight mixing
It is made.
To sum up, the weight of the mixture A is 1400g, and corresponding polyurethane curing agent N75 weight is about 140g.
The preparation method of the invention that a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory is also provided, including with
Lower step:
S1. by 550g water-based acrylic resin XP-804,25g dispersant B YK-161,25g anti-settling agents aerosil,
The finely dispersed mixing of each component is sufficiently stirred for obtaining after 25g defoamers Tego 932,75g butyl acetates and the mixing of 75g dimethylbenzene
Thing.
S2. by the ultraviolet absorber of 150g temperature-sensitive powder (discoloring temperature point is 60 DEG C), 50g light-resistant scarlet BBN and 50g
The mixture in UVP-328 and S1 is put into the fineness of powder being fully ground in grinder into grinder and reaches 40 μm in the lump
Mixture A is obtained below；
S3. by the mixture A and polyurethane curing agent N75 according to part by weight 8:1 mixes and is sufficiently stirred for obtaining transformation
The special reversible temperature indicating Sunscreen paint of device accessory, the polyurethane curing agent N75 used weight about 128g.
The effect to the reversible thermocoating of the above embodiment of the present invention is verified below, in the verification, from national standard
The tinplate of size, the iron plate is polished with 500 mesh sand paper, is polishing to and washes one's face and clean up, respectively numbering 1, and 2,3, respectively
Correspondence embodiment 1, embodiment 2 and embodiment 3, are sprayed with spray gun, spray finish it is to be dried after its performance is tested,
Test result such as following table:
As can be seen from the above table, the coating that the preparation method for coating provided according to the present invention is prepared from, properties
Real requirement can be reached, substantially, color can gradually be recovered its discoloration after temperature drop, can when reaching specified temp
The goal of the invention of the present invention is reached, deficiency of the prior art is overcome.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (10)
1. a kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, it is characterised in that consolidated by mixture A and polyurethane
Agent is according to part by weight 6~10:1 is mixed, and the mixture A is made up of the component of following parts by weight meter：
Water-based acrylic resin, 45~65 parts；
Temperature-sensitive powder, 10~20 parts；
Light-resistant scarlet BBN, 1~10 part；
Ultraviolet absorber, 1~10 part；
Anti-settling agent, 1~5 part；
Dispersant, 1~5 part；
Defoamer, 1~5 part；
Butyl acetate, 5~10 parts；
Dimethylbenzene, 5~10 parts.
2. the special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory according to claim 1, it is characterised in that
The discoloring temperature of the temperature-sensitive powder is any temperature spot or either segment temperature range in the range of 50 DEG C~70 DEG C.
3. the special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory according to claim 1, it is characterised in that
The ultraviolet absorber is one kind in UV-531, UVP-327, UVP-328 or any several mixture, and the polyurethane is consolidated
Agent is any one in N3390, L75, N75, and the water-based acrylic resin is in XP-418, XP-431, XP-804
Any one.
4. the special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory according to claim 1, it is characterised in that
Described dispersant be Tego Dispers 750W, Tego Dispers 715W, Tego Dispers 710, EFKA4310,
One kind or any several mixture in BYK-161, described defoamer is Deform 5300, Tego 825, Tego 932
In one kind or any several mixture.
5. the special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory according to any one of Claims 1-4, its
It is characterised by, the anti-settling agent is by organobentonite, absolute ethyl alcohol, dimethylbenzene according to 1~2：1：15~20 part by weight is mixed
Close obtained mixture or aerosil.
6. a kind of preparation method of the special reversible temperature indicating Sunscreen paint of weatherability transformer accessory, it is characterised in that including following
Step:
S1. each group is sufficiently stirred for obtaining after mixing acrylic resin, dispersant, anti-settling agent, defoamer, butyl acetate and dimethylbenzene
Point finely dispersed mixture, the acrylic resin, dispersant, anti-settling agent, defoamer, the weight of butyl acetate and dimethylbenzene
Number is followed successively by：45~65 parts, 1~5 part, 1~5 part, 1~5 part, 5~10 parts, 5~10 parts；
S2. by the UV absorption of the temperature-sensitive powder, the light-resistant scarlet BBN of 1~10 parts by weight, 1~10 parts by weight of 10~20 parts by weight
The mixture in agent and S1 is put into grinder in the lump to be fully ground the fineness of powder into grinder and reaches less than 40 μm,
Obtain mixture A；
S3. by the mixture A and polyurethane curing agent according to part by weight 6~10:1 mixes and is sufficiently stirred for, and obtains transformation
The special reversible temperature indicating Sunscreen paint of device accessory.
7. a kind of preparation method of the special reversible temperature indicating Sunscreen paint of weatherability transformer accessory according to claim 6,
Characterized in that, the temperature during temperature-sensitive powder discoloration is any temperature spot in the range of 50 DEG C~70 DEG C or any humidity province
Between.
8. a kind of preparation method of the special reversible temperature indicating Sunscreen paint of weatherability transformer accessory according to claim 6,
Characterized in that, the ultraviolet absorber is one kind in UV-531, UVP-327, UVP-328 or any several mixture,
The polyurethane curing agent is any one in N3390, L75, N75, and the water-based acrylic resin is XP-418, XP-
431st, any one in XP-804.
9. a kind of preparation method of the special reversible temperature indicating Sunscreen paint of weatherability transformer accessory according to claim 6,
Characterized in that, described dispersant is Tego Dispers 750W, Tego Dispers 715W, Tego Dispers
710th, one kind or any several mixture in EFKA4310, BYK-161, described defoamer is Deform 5300, Tego
825th, in Tego 932 one kind or any several mixture.
10. the special reversible temperature indicating Sunscreen paint of a kind of weatherability transformer accessory according to any one of claim 6 to 9
Preparation method, it is characterised in that the anti-settling agent is organobentonite, absolute ethyl alcohol, dimethylbenzene according to 1~2：1：15~20
Mixture or aerosil that part by weight is mixed to prepare.
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| CN201510777635.7A CN105331267B (en) | 2015-11-13 | 2015-11-13 | A kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory and preparation method thereof |
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| CN201510777635.7A CN105331267B (en) | 2015-11-13 | 2015-11-13 | A kind of special reversible temperature indicating Sunscreen paint of weatherability transformer accessory and preparation method thereof |
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| CN106118276A (en) * | 2016-08-12 | 2016-11-16 | 深圳市鑫太庆科技有限公司 | A kind of black temperature becomes paint |
| CN109233409A (en) * | 2017-05-18 | 2019-01-18 | 东北林业大学 | Temperature causes preparation and the technique for applying of Reversible Color-Changing Coating |
| CN109504215B (en) * | 2018-12-03 | 2021-04-20 | 中昊北方涂料工业研究设计院有限公司 | Protective paint for surface of multi-color irreversible temperature indicating coating |
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| EP2675853B1 (en) * | 2011-02-15 | 2016-09-14 | Chromatic Technologies, Inc. | Thermochromic coatings with resin vehicle |
| CN102382563B (en) * | 2011-09-16 | 2014-04-02 | 中华制漆（深圳）有限公司 | Low-temperature thermocuring polyurethane coating, and preparation method and application thereof |
| CN102695388A (en) * | 2012-06-14 | 2012-09-26 | 赖勇 | Electronic product protection device with temperature sensing function |
| CN104923458B (en) * | 2015-06-17 | 2017-10-17 | 嘉兴市南湖区翊轩塑料五金厂（普通合伙） | A kind of spraying method on mobile phone protecting case surface |
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