CN104987759A - Preparation method for multi-color reversible thermochromic coating - Google Patents
Preparation method for multi-color reversible thermochromic coating Download PDFInfo
- Publication number
- CN104987759A CN104987759A CN201510458465.6A CN201510458465A CN104987759A CN 104987759 A CN104987759 A CN 104987759A CN 201510458465 A CN201510458465 A CN 201510458465A CN 104987759 A CN104987759 A CN 104987759A
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- Prior art keywords
- reversible thermochromic
- coating
- preparation
- thermochromic coating
- mixture
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Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/136—Phenols containing halogens
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/0096—Multicolour dyeing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Textile Engineering (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
The present invention discloses a preparation method for a multi-color reversible thermochromic coating. The method comprises: mixing stearate with a solvent; then adding a leuco dye to the mixture; adding a sol to the mixture at a weight ratio of 1:2; and then adding an aqueous coating color paste to the mixture, to obtain a reversible thermochromic coating. The coating can be used in textile and clothing, and medical fields. The preparation method for a reversible thermochromic coating of the present invention is simple and mature in preparation process, low in production cost and is environmentally-friendly, and an operation is easy to control. Meanwhile, the obtained thermochromic coating has advantages of a quick effect and stable properties, at the same time, can meet safety indexes of completely nontoxic and no irritation to human bodies, can be used as a novel coating, and has a wide application prospect in skin-contact fields including clothing, medical treatment and the like.
Description
Technical field
The present invention relates to a kind of polychrome system reversible thermochromic preparation method for coating, belong to field of functional coatings.
Background technology
It is a kind of speciality coating being come directing object surface temperature and temperature distribution by the variable color of coating that temperature becomes coating.When reversible temperature change coating refers to be heated to a certain temperature, coating color changes, and when cooling, returns to again original form and aspect.Compared with general temp measuring method, temperature becomes coating can indicate the temperature or the temperature distribution that are difficult to the body surface measured with thermometer, to meet the occasion that general temperature measuring device is difficult to detect, as for the temperature indicating warning etc. in the industrial circles such as aviation, electric power, oil refining, electronics, there is the features such as easy, quick.But inorganic temperature becomes coating, as with the iodide of Ag, Cu, Hg, complex compound cobalt salt, nickel salt hexamethylenetetramine, although have bright chromatic colour, but it is poor to there is color restoration, discoloring temperature is high, low and the shortcoming that toxicity is large of weather resistance, thus should not be applied to the skin contact such as clothes, medical treatment field.
Temperature becomes coating usually by chromogenic reagent, developer and solvent composition, has and uses different chromogenic reagent change temperature to become painting color; Replace developer and change warm variable color time of response and the feature by solvent adjustment discoloring temperature, the research and development for low temperature temperature change field are significant.This kind of application of paints is on textile materials, and fabric can vary with temperature and produce a series of colour-change thus practical function, attractive in appearanceization, is a kind of novelty and has the functional coating of development prospect and huge applications potentiality.
Summary of the invention
For the deficiencies in the prior art, main purpose of the present invention is the preparation method providing a kind of polychrome system reversible thermochromic coating.
For realizing aforementioned invention object, the technical scheme that the present invention takes is as follows:
A preparation method for polychrome system reversible thermochromic coating, it comprises:
(1) by the solvent Homogeneous phase mixing of 1 ~ 60 weight part stearic acid and 80 ~ 120 weight parts, be warming up to 50 ~ 100 DEG C and fully stir 1 ~ 2h with the speed of 400 ~ 3600rpm, obtaining mixture A;
(2) then the leuco dye of 1 weight part is slowly joined in mixed liquor A, fully stir 1 ~ 30h at 50 ~ 100 DEG C, obtain mixture B;
(3) then said mixture B is joined in sol system with the weight ratio of 1:2, stir 2h at 50-90 DEG C of temperature, make mixture become water-based from oiliness, be applied to various substrate coating with more convenient, obtain mixture C;
(4) in mixture C, add the water-borne coatings mill base regulation system color of weight content 2-10% different colours again, uniform stirring, namely obtains the reversible thermochromic coating of polychrome system after cooling.
Described leuco dye can be free but be not limited to the composition of any one or more in crystal violet lactone, phenolphthalein, phenolsulfonphthalein, methyl red, purpurum bromocresolis, tetrabromo-mcresolsulfonphthalein.
Further, described solvent can be free but be not limited to the composition of any one or more of lauryl alcohol, tetradecyl alcohol, hexadecanol, stearyl alcohol.
Described sol system can be free but be not limited to the water-sol or alcosol.
Described reversible thermochromic painting color varies with temperature has reversibility, can Reusability.
Described solution regulates thermochromic coatings discoloring temperature by changing solvent ratios.
The Reversible thermochromic of described polychrome system reversible thermochromic coating can be applicable to textile garment, medical field.
Such as, a kind of application scheme wherein can be: polychrome system thermochromic coatings is added tackiness agent, thickening material and water and prepares printing paste, carry out stamp process to fabric, namely obtains the thermochromism fabric of different colours after baking.The fabric of this coating thermochromic coatings, can adopt the colour-change in videograph temperature-rise period to carry out characterizing color Changing Pattern, and video record sectional drawing preserves differing temps hypograph, by Photoshop analytic sample color, thus obtains look variate.
Thisly can be applicable in clothes by reversible temperature-sensitive color-changing coating, the pattern on clothes just has the ability varying with temperature and change color.
Relative to prior art, advantage of the present invention comprises: the reversible thermochromic coating of polychrome system of the present invention has temperature, and to become induction speed fast, the advantage of stable in properties, also reach totally nontoxic simultaneously, the safety index non-stimulated to human body, as new coating, the skin contact such as clothes, medical treatment field can be applied to.In addition, the preparation technology of this product is simply ripe, low production cost environmental protection, and operation is easy to control.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Fig. 1 be the present embodiment 1 obtain the reflectance curve of reversible thermochromic coating.
Fig. 2 is the photo in kind of reversible thermochromic coating sample in exemplary embodiments 1 of the present invention.
Fig. 3 adds the red slurry of SM9815HT of mass ratio, the temperature change painting color change pictorial diagram of SM9815HT yellow pulp, SM9815HT blueness slurry in the present embodiment 1.(a:SM9815HT redness slurry: the blue slurry=2:1:6 of SM9815HT yellow pulp: SM9815HT; B:SM9815HT redness slurry: the blue slurry=1:0:3 of SM9815HT yellow pulp: SM9815HT; C:SM9815HT redness slurry: the blue slurry=1:1:1 of SM9815HT yellow pulp: SM9815HT).
Embodiment
In view of deficiency of the prior art, inventor, through studying for a long period of time and putting into practice in a large number, is proposed technical scheme of the present invention.Below in conjunction with accompanying drawing and some case study on implementation, the present invention is further detailed explanation.
Embodiment 1:
15g stearic acid and 85g lauryl alcohol mix with the mixture of hexadecanol, are heated to 55 DEG C and to form solution after the speed of 600rpm stirring 1h, 1g purpurum bromocresolis are joined after solution for continuous stirs 3h and fully cool, obtain reversible thermochromic coating.
Embodiment 2:
25g stearic acid and 95g lauryl alcohol mix with the mixture of tetradecyl alcohol, be heated to 65 DEG C and stir after 2h with the speed of 1200rpm form solution, 1g purpurum bromocresolis is joined solution for continuous and stir 8h, again this mixture is joined in sol system with the weight ratio of 1:2, after stirring 2h at 75 DEG C of temperature, product is placed in ice-water bath to cool, obtains reversible thermochromic coating.
Embodiment 3:
35g stearic acid and 105g hexadecanol mix with the mixture of tetradecyl alcohol, be heated to 75 DEG C and stir after 1h with the speed of 1800rpm form solution, 1g purpurum bromocresolis is joined solution for continuous and stir 23h, again this mixture is joined in sol system with the weight ratio of 1:2, the SM9815HT water-borne coatings mill base of weight content 3% is added after stirring 1h at 80 DEG C of temperature, afterwards product is placed in ice-water bath to cool, obtains reversible thermochromic coating.
Embodiment 4:
The mixture mixing of 45g stearic acid and 115g lauryl alcohol, tetradecyl alcohol, hexadecanol, be heated to 85 DEG C and stir after 1h with the speed of 2600rpm form solution, 1g purpurum bromocresolis is joined solution for continuous and stir 23h, again this mixture is joined in sol system with the weight ratio of 1:2, the SM9815HT water-borne coatings mill base of weight content 6% is added after stirring 2h at 60 DEG C of temperature, afterwards product is placed in ice-water bath to cool, obtains reversible thermochromic coating.
Embodiment 5:
50g stearic acid and 120g tetradecyl alcohol mix with the mixture of hexadecanol, be heated to 95 DEG C and stir after 2h with the speed of 3200rpm form solution, 1g purpurum bromocresolis is joined solution for continuous and stir 28h, again this mixture is joined in sol system with the weight ratio of 1:2, the SM9815HT water-borne coatings mill base of weight content 4% is added after stirring 2h at 90 DEG C of temperature, afterwards product is placed in ice-water bath to cool, obtains reversible thermochromic coating.
The reversible thermochromic coating prepared in embodiment 1-5 can present different colours at 25 DEG C and 60 DEG C, processes after on fabric, and modified fabric also can present different colours at different temperatures.
Should be appreciated that above-described embodiment is only and technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to spirit of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. a preparation method for polychrome system reversible thermochromic coating, is characterized in that comprising:
(1) by the solvent Homogeneous phase mixing of 1 ~ 60 weight part stearic acid and 80 ~ 120 weight parts, be warming up to 50 ~ 100 DEG C and fully stir 1 ~ 2h with the speed of 400 ~ 3600rpm, obtaining mixture A;
(2) then the leuco dye of 1 weight part is slowly joined in mixed liquor A, fully stir 1 ~ 30h at 50 ~ 100 DEG C, obtain mixture B;
(3) then said mixture B is joined in sol system with the weight ratio of 1:2, stir 2h at 50-90 DEG C of temperature, make mixture become water-based from oiliness, obtain mixture C;
(4) in mixture C, add the water-borne coatings mill base regulation system color of weight content 2-10% different colours again, uniform stirring, namely obtains the reversible thermochromic coating of polychrome system after cooling.
2. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that described leuco dye comprises the composition of any one or more in crystal violet lactone, phenolphthalein, phenolsulfonphthalein, methyl red, purpurum bromocresolis, tetrabromo-mcresolsulfonphthalein.
3. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that described solvent comprises the composition of any one or more of lauryl alcohol, tetradecyl alcohol, hexadecanol, stearyl alcohol.
4. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that described sol system is the one in the water-sol, alcosol.
5. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that described reversible thermochromic painting color varies with temperature and has reversibility, can Reusability.
6. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that described solution regulates thermochromic coatings discoloring temperature by changing solvent ratios.
7. the preparation method of a kind of polychrome system according to claim 1 reversible thermochromic coating, is characterized in that the Reversible thermochromic of described polychrome system reversible thermochromic coating can be applicable to textile garment, medical field.
8. the Reversible thermochromic of polychrome system according to claim 7 reversible thermochromic coating can be at the application art in textile garment field: polychrome system thermochromic coatings is added tackiness agent, thickening material and water and prepares printing paste, stamp process is carried out to fabric, after baking, namely obtains the thermochromism fabric of different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458465.6A CN104987759A (en) | 2015-07-30 | 2015-07-30 | Preparation method for multi-color reversible thermochromic coating |
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| CN201510458465.6A CN104987759A (en) | 2015-07-30 | 2015-07-30 | Preparation method for multi-color reversible thermochromic coating |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521973A (en) * | 2016-08-31 | 2017-03-22 | 浙江科艺纺织有限公司 | Reversible thermochromic fabric |
| CN107041749A (en) * | 2017-01-26 | 2017-08-15 | 杨鹏 | A kind of skin temperature allochroic paint for backbone reduction system |
| CN108410242A (en) * | 2018-04-04 | 2018-08-17 | 江苏新亿源环保科技有限公司 | A kind of preparation method of thermochromic coatings |
| CN108587597A (en) * | 2018-05-18 | 2018-09-28 | 江南大学 | A kind of fluorescence/visible light thermochromic material and its preparation method and application |
| CN109575911A (en) * | 2018-12-29 | 2019-04-05 | 江南大学 | Strawberry shape thermochromism energy storage material and the preparation method and application thereof |
| CN111295574A (en) * | 2017-11-07 | 2020-06-16 | 3M创新有限公司 | Temperature indicating composite material product and preparation method and application thereof |
| CN111321609A (en) * | 2018-12-13 | 2020-06-23 | 海宁市提姆瑞斯进出口有限公司 | Color-changing belt of tyre warmer |
| CN113737542A (en) * | 2021-09-18 | 2021-12-03 | 江苏聚杰微纤科技集团股份有限公司 | High-thermal-conductivity quick-response type thermochromic fabric and preparation method thereof |
| CN114524455A (en) * | 2022-01-07 | 2022-05-24 | 广东省科学院半导体研究所 | Reversible thermochromic intelligent material and preparation method and application thereof |
| CN115010997A (en) * | 2022-06-30 | 2022-09-06 | 宁波昌亚新材料科技股份有限公司 | Coated reversible thermochromic material and preparation method and application thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521973A (en) * | 2016-08-31 | 2017-03-22 | 浙江科艺纺织有限公司 | Reversible thermochromic fabric |
| CN107041749A (en) * | 2017-01-26 | 2017-08-15 | 杨鹏 | A kind of skin temperature allochroic paint for backbone reduction system |
| CN107041749B (en) * | 2017-01-26 | 2018-11-09 | 杨鹏 | A kind of skin temperature allochroic paint for backbone reduction system |
| CN111295574A (en) * | 2017-11-07 | 2020-06-16 | 3M创新有限公司 | Temperature indicating composite material product and preparation method and application thereof |
| CN108410242A (en) * | 2018-04-04 | 2018-08-17 | 江苏新亿源环保科技有限公司 | A kind of preparation method of thermochromic coatings |
| CN108587597A (en) * | 2018-05-18 | 2018-09-28 | 江南大学 | A kind of fluorescence/visible light thermochromic material and its preparation method and application |
| CN108587597B (en) * | 2018-05-18 | 2020-08-11 | 江南大学 | Fluorescent/visible light-heat-induced color-changing material and preparation method and application thereof |
| CN111321609A (en) * | 2018-12-13 | 2020-06-23 | 海宁市提姆瑞斯进出口有限公司 | Color-changing belt of tyre warmer |
| CN109575911A (en) * | 2018-12-29 | 2019-04-05 | 江南大学 | Strawberry shape thermochromism energy storage material and the preparation method and application thereof |
| CN109575911B (en) * | 2018-12-29 | 2022-02-11 | 江南大学 | Strawberry-shaped thermochromic energy storage material and preparation method and application thereof |
| CN113737542A (en) * | 2021-09-18 | 2021-12-03 | 江苏聚杰微纤科技集团股份有限公司 | High-thermal-conductivity quick-response type thermochromic fabric and preparation method thereof |
| CN114524455A (en) * | 2022-01-07 | 2022-05-24 | 广东省科学院半导体研究所 | Reversible thermochromic intelligent material and preparation method and application thereof |
| CN114524455B (en) * | 2022-01-07 | 2022-11-22 | 广东省科学院半导体研究所 | Reversible thermochromic intelligent material and preparation method and application thereof |
| CN115010997A (en) * | 2022-06-30 | 2022-09-06 | 宁波昌亚新材料科技股份有限公司 | Coated reversible thermochromic material and preparation method and application thereof |
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