CN106479312A - A kind of thermo-color and its application - Google Patents
A kind of thermo-color and its application Download PDFInfo
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- CN106479312A CN106479312A CN201610847804.4A CN201610847804A CN106479312A CN 106479312 A CN106479312 A CN 106479312A CN 201610847804 A CN201610847804 A CN 201610847804A CN 106479312 A CN106479312 A CN 106479312A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/26—Thermosensitive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to paint field, particularly to a kind of thermo-color, it is made up of following components：25～40wt% water-base epoxy ester emulsion；25～40wt% acrylic emulsion；0.1～5wt% film former；0.05～0.5wt% defoamer；2～8wt% levelling agent；5～30wt% color stuffing；5～15wt% developer；5～15wt% colour former；0.5～2wt% dispersant；0.05～0.3wt%pH regulator；Other auxiliary agents of 0.5～2.5wt%；5～20wt% water；Described developer is to accept the compound that electronics assumes color, and described colour former is the compound raising transfer electronics with temperature.Described coating has preferable combination property, such as：Realize reversible color change, play the effect of warning, film formation at low temp, paintability is good.
Description
Technical field
The present invention relates to paint field, particularly to a kind of thermo-color and its application.
Background technology
With the miniaturization of automobile engine, and turbocharging technology introduces, and the operating temperature of electromotor steps up.
Under high-temperature work environment, self-burning of vehicle risk is also increasing.At present, the high temperature risk of engine nacelle, mainly passes through to pass
The electronic devices and components system such as sensor, signal adapter, Signal Monitor is identifying, to monitor, but electronic devices and components itself are also subject to height
The aging impact of temperature, it is possible that the phenomenon of failure.
For the high temperature risk of easier identification enging cabin, research worker wants to by engine exterior surface
Coat a kind of high-temperature discoloration coating, to point out high temperature risk with color change, to reach forewarning function.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of thermo-color and its application, its at room temperature, for applying
Material intrinsic colour, after temperature is increased to threshold value, suggesting effect is played in painting color change.
The invention provides a kind of thermo-color, it is made up of following components：
Described developer is to accept the compound that electronics assumes color, and described colour former is to raise transfer electronics with temperature
Compound.
Preferably, described developer is phenols, hydroxy acid, sulfonic acid or phosphate ester acid and its slaine.
Preferably, described colour former is diallyl phthalate, polyallyl methanol class, penta auramine class, β-interior acyl
Amine or spiropyran.
Preferably, described developer is phenol, and described colour former is diallyl phthalate.
Preferably, described film former is diethyl alcohol ethers, propylene glycol ethers or N-Methyl pyrrolidone.
Preferably, other auxiliary agents described are preservative, anti-wear agent and/or UV absorbent.
Preferably, the solid content of described acrylic emulsion is 46～60wt%, and viscosity is 200～1000mPa.s, and pH is
5.5～6.5.
Preferably, the solid content of described water-base epoxy ester emulsion is 39～45wt%, and viscosity is 350～2800mPa.s, pH
For 7.5～9.
Preferably, described thermo-color includes：
Present invention also offers thermo-color described in technique scheme in application.
Compared with prior art, the colour former in the thermo-color of the present invention and developer are respectively electronq donor and electricity
, between the two because temperature change can occur electron transfer phenomenon, after colour former reaches temperature threshold, there is electronics in sub- acceptor
Transfer, developer accepts electronics, absorbs or radiate the light of certain wavelength, apparent upper generation color change.When temperature is less than temperature
After threshold value, the color of coating recovers original color.Further, the thermo-color of the present invention also includes water-base epoxy ester, propylene
Yogurt liquid and film former, three ensure that at a lower temperature, and coating i.e. can be with film forming.In sum, above-mentioned group of the application
Divide synergism, make thermo-color have preferable combination property, such as：Realize reversible color change, play the effect of warning, low
Warm film forming, paintability is good.
Specific embodiment
For a further understanding of the present invention, with reference to embodiment, the preferred embodiment of the invention is described, but
It should be appreciated that these descriptions are simply to further illustrate the features and advantages of the present invention, rather than to the claims in the present invention
Limit.
Embodiment of the invention discloses that a kind of thermo-color, it is made up of following components：
Described developer is to accept the compound that electronics assumes color, and described colour former is to raise transfer electronics with temperature
Compound.
The thermo-color that the application provides as the object coating needing temp. indicator, pass through by its each component and its content
The coupling of reasonably optimizing, has higher combination property when making thermo-color as coating.
The thermo-color of the present invention, by water-base epoxy ester emulsion, acrylic emulsion, film former, defoamer, levelling agent, face
Filler, developer, colour former, dispersant, pH adjusting agent, other auxiliary agents and water are constituted.
According to the present invention, described water-base epoxy ester emulsion is divided with Oleic acid for epoxy resin after over-churning must in aqueous solvent
The emulsion arriving.Preferably, the solid content of described water-base epoxy ester emulsion is 39～45wt%, and viscosity is 350～2800mPa.s,
PH is 7.5～9.The present invention is not particularly limited for its source, commercially available prod.More preferably CNOOC's Changzhou coating grinds
Study carefully sold product.The addition of described water-base epoxy ester emulsion is 25～40wt%, preferably 26～35wt%, more has choosing
For 28～32wt%.
Described acrylic emulsion is acrylic monomer (as methacrylic acid) and its homopolymerization in water of esters emulsion dispersion
Or a kind of emulsion that copolymerization obtains.Preferably, the solid content of described acrylic emulsion be 46～60wt%, viscosity be 200～
1000mPa.s, pH are 5.5～6.5.The present invention is not particularly limited for its source, commercially available prod.Sea in more preferably
The product that oily Changzhou coating institute is sold.The addition of described acrylic resin is 25～40wt%, preferably 26～
35wt%, more elects 28～32wt% as.
Described film former, can promote macromolecular compound Plastic Flow and elastic deformation, improve coalescence performance.The present invention
It is preferably able to the film former of film formation at low temp, more preferably diethyl alcohol ethers, propylene glycol or N-Methyl pyrrolidone.Described two
Glycol ether can be diethanol diethyl ether, diethanol butyl ether etc.；Described propylene glycol ethers can be propandiol butyl ether, propylene glycol
Methyl ether, propylene-glycol ethyl ether etc..The addition of described film former is 0.1～5wt%, preferably 0.5～4wt%.
Described defoamer is preferably non-silicon class defoamer, more preferably non-silicon class mineral oil antifoam agent.Described defoamer
Addition is 0.05～0.5wt%, more preferably 0.1～0.4wt%.
Described levelling agent is preferably fluorocarbon polymer class levelling agent, and can reduce system surface tension increases wetting power.Institute
The addition stating levelling agent is 2～8wt%, preferably 3～6wt%.
Described color stuffing be Show Color material, its for coating of the present invention below temperature threshold when provide display face
Color.Described color stuffing includes color color stuffing and body constitution color stuffing, and described color color stuffing can be aluminium powder, titanium dioxide, white carbon black
Deng described body constitution color stuffing can be Calcium Carbonate or Pulvis Talci etc..The interpolation ratio of described color color stuffing and body constitution color stuffing
Example is not particularly limited, and adds according to existing method.
Described developer is to accept the compound that electronics assumes color, and described developer is phenols, hydroxy acid, sulfonic acid or acid
Formula phosphate ester and its slaine, preferably phenol, bisphenol-A, caproic acid, octanoic acid, p-phthalic acid, methyl orthophosphoric acid.
Described colour former is the compound raising transfer electronics with temperature, and described colour former is diallyl phthalate third
Ester, polyallyl methanol class, penta auramine class, beta-lactam or spiropyran.Described spiropyran is such as：1,3,3- tri-
The chloro- β of methylindole quinoline -7--naphtho- spiro-pyrans, two-β-naphtho- spiro-pyrans etc..
When the temperature varies, there is reversible chemical reaction, by electronics between them in colour former and developer
Give and accept, molecular structure changes, lead to color to occur reversible change.After colour former reaches temperature threshold, there is electricity
Son transfer, developer accepts electronics, absorbs or radiate the light of certain wavelength, apparent upper generation color change.When temperature is less than temperature
After degree threshold value, the color of coating recovers original color.
Other components coordinate described colour former and developer to have an effect, and determine discoloring temperature, adjust the sensitivity of variable color.
The addition of described colour former is 5～15wt%；The addition of described developer is 5～15wt%.
Described dispersant can promote the dispersion of color stuffing, and preferably many interior polyhydric alcohol-many aziridines blocks of joining are total to
Polymers, acrylate or oily amino oleic acid ester.
Described PH regulator is mainly the acid-base balance of adjusting coating system, keeps the stability of coating, it can be preferred
For 2-amino-2-methyl-1-propanol, N- methylethanolamine, the alkanolamine such as N- aminopropyl-methylethanolamine.Adjust through PH
After agent is adjusted, the pH value of coating system is maintained at 6～8.
Other auxiliary agents described are preferably preservative, anti-wear agent and/or UV absorbent, for lifting the comprehensive of coating system
Close performance.
Thermo-color of the present invention is preferably made up of following components：
The preparation method of thermo-color of the present invention, comprises the following steps：
By water-base epoxy ester emulsion, acrylic emulsion, film former, defoamer, levelling agent, color stuffing, developer, color development
Agent, dispersant, other auxiliary agents and water are mixed according to adding proportion, add pH adjusting agent, after adjusting pH value, obtain temperature indicating and apply
Material.
Generally 90 DEG C of the temperature threshold of thermo-color of the present invention, after this temperature threshold, colour former excites
Developer Show Color changes, to send color early warning.Particularly preferred, described colour former is diallyl phthalate,
When developer is phenols, after ultra-high temperature threshold value, phenols display is red.After temperature is less than threshold value, developer recovers colorless state,
Primitive color replied by coating.
Embodiment of the invention discloses that the application in the car of described thermo-color.Described thermo-color is particularly well-suited to
Automobile engine, the coating of automobile engine cover.Once the rising of occurrence temperature, thermo-color then can be changed with Show Color, rises
To forewarning function.
For a further understanding of the present invention, the thermo-color present invention being provided with reference to embodiment and its application row are in detail
Describe in detail bright, protection scope of the present invention is not limited by the following examples.
Embodiment 1
By water-base epoxy ester emulsion, acrylic emulsion, film former, defoamer, levelling agent, color stuffing, developer, color development
Agent, dispersant, other auxiliary agents and water are mixed according to adding proportion, add PH regulator, after adjusting pH value, obtain temperature indicating and apply
Material.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is diethyl diethylene glycol diethyl ether,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent,
Color stuffing is titanium dioxide and Calcium Carbonate,
Developer is phenols,
Colour former is diallyl phthalate,
Dispersant is oily amino oleic acid ester,
PH regulator is 2-amino-2-methyl-1-propanol.
Embodiment 2
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is diethyl diethylene glycol diethyl ether,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent,
Color stuffing is white carbon black and Calcium Carbonate,
Developer is caproic acid,
Colour former is the chloro- β-naphtho- spiro-pyrans of 1,3,3- tri-methyl indole quinoline -7-,
Dispersant be how interior join polyhydric alcohol-many aziridines block copolymer,
PH regulator is N- methylethanolamine.
Embodiment 3
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is diethyl diethylene glycol diethyl ether,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent,
Color stuffing is aluminium powder and Calcium Carbonate,
Developer is phenol,
Colour former is the chloro- β-naphtho- spiro-pyrans of 1,3,3- tri-methyl indole quinoline -7-,
Dispersant be how interior join polyhydric alcohol-many aziridines block copolymer,
PH regulator is N- aminopropyl-methylethanolamine.
Embodiment 4
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is propandiol butyl ether
Defoamer is non-silicon class mineral oil antifoam agent
Levelling agent is fluorocarbon polymer class levelling agent
Color stuffing is aluminium powder and Pulvis Talci,
Developer is sour acid phosphoric acid ester,
Colour former is beta-lactam,
Dispersant is acrylate,
PH regulator is N- methylethanolamine.
Embodiment 5
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is N-Methyl pyrrolidone,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent
Color stuffing is white carbon black and Pulvis Talci,
Developer is sulfonic acid,
Colour former is diallyl phthalate,
Dispersant is acrylate,
PH regulator is N- methylethanolamine.
Embodiment 6
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is diethyl diethylene glycol diethyl ether,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent,
Color stuffing is titanium dioxide and Pulvis Talci,
Developer is phenols,
Colour former is diallyl phthalate,
Dispersant is oily amino oleic acid ester,
PH regulator is 2-amino-2-methyl-1-propanol.
Embodiment 7
The preparation process of coating is same as Example 1, and each constituent content of the present embodiment is as shown in table 1.
From water-base epoxy ester emulsion solid content 39～45wt%, viscosity 350～2800mPa.s, pH7.5～9.
The solid content of acrylic emulsion is 46～60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
Film former is diethanol butyl ether,
Defoamer is non-silicon class mineral oil antifoam agent,
Levelling agent is fluorocarbon polymer class levelling agent,
Color stuffing is white carbon black and Calcium Carbonate,
Developer is bisphenol-A,
Colour former is polyallyl methanol,
Dispersant is acrylate,
PH regulator is N- methylethanolamine.
The content of each component of thermo-color of the present embodiment is as shown in table 1.
The each constituent content of table 1 embodiment 1～7
Performance detection is carried out to product, testing result is as shown in table 2.
The performance data of the coating of table 2 embodiment preparation
From table 2 content, the thermo-color of present invention preparation can show color stuffing color within temperature threshold, surpass
It is changeable colour after excess temperature threshold value, to reach prompting and forewarning function.And, its film forming solidification temperature, at 100 DEG C about, is realized
Low-temperature setting.
The explanation of above example is only intended to help and understands the method for the present invention and its core concept.It should be pointed out that it is right
For those skilled in the art, under the premise without departing from the principles of the invention, the present invention can also be carried out
Some improvement and modification, these improve and modify and also fall in the protection domain of the claims in the present invention.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of thermo-color, is made up of following components：
Described developer is to accept the compound that electronics assumes color, and described colour former is the change raising transfer electronics with temperature
Compound.
2. thermo-color according to claim 1 is it is characterised in that described developer is phenols, hydroxy acid, sulfonic acid or acid
Formula phosphate ester and its slaine.
3. thermo-color according to claim 1 it is characterised in that described colour former be diallyl phthalate,
Polyallyl methanol class, penta auramine class, beta-lactam or spiropyran.
4. it is characterised in that described developer is phenol, described colour former is neighbour to thermo-color according to claim 1
Dially phthalate.
5. thermo-color according to claim 1 is it is characterised in that described film former is diethyl alcohol ethers, propylene glycol
Class or N-Methyl pyrrolidone.
6. thermo-color according to claim 1 it is characterised in that other auxiliary agents described be preservative, anti-wear agent and/or
UV absorbent.
7. thermo-color according to claim 1 it is characterised in that described acrylic emulsion solid content be 46～
60wt%, viscosity 200～1000mPa.s, pH5.5～6.5.
8. thermo-color according to claim 1 it is characterised in that described water-base epoxy ester emulsion solid content be 39～
45wt%, viscosity is 350～2800mPa.s, and pH is 7.5～9.
9. thermo-color according to claim 1 is it is characterised in that described thermo-color includes：
10. the application in the car of the thermo-color described in claim 1～9 any one.
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| CN201610847804.4A CN106479312A (en) | 2016-09-23 | 2016-09-23 | A kind of thermo-color and its application |
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| CN201610847804.4A CN106479312A (en) | 2016-09-23 | 2016-09-23 | A kind of thermo-color and its application |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011243A (en) * | 2022-05-27 | 2022-09-06 | 中国航发四川燃气涡轮研究院 | Preparation method of single-color-changing irreversible temperature indicating paint and coating based on isotherm identification |
| CN115678363A (en) * | 2022-11-04 | 2023-02-03 | 广东纯晶玻璃制品有限公司 | High-covering-power ultra-white slurry and preparation method thereof |
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| CN101698766A (en) * | 2009-10-19 | 2010-04-28 | 广东三和化工科技有限公司 | Household allochroic emulsion paint and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115011243A (en) * | 2022-05-27 | 2022-09-06 | 中国航发四川燃气涡轮研究院 | Preparation method of single-color-changing irreversible temperature indicating paint and coating based on isotherm identification |
| CN115678363A (en) * | 2022-11-04 | 2023-02-03 | 广东纯晶玻璃制品有限公司 | High-covering-power ultra-white slurry and preparation method thereof |
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Application publication date: 20170308 |