CN103242820B - Thermochromic material and preparation method thereof - Google Patents
Thermochromic material and preparation method thereof Download PDFInfo
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- CN103242820B CN103242820B CN201310187166.4A CN201310187166A CN103242820B CN 103242820 B CN103242820 B CN 103242820B CN 201310187166 A CN201310187166 A CN 201310187166A CN 103242820 B CN103242820 B CN 103242820B
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- 239000000463 material Substances 0.000 title claims abstract description 77
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003999 initiator Substances 0.000 claims abstract description 20
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 238000004945 emulsification Methods 0.000 claims abstract description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000004159 Potassium persulphate Substances 0.000 claims description 15
- -1 polyoxyethylene Polymers 0.000 claims description 15
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 15
- 235000019394 potassium persulphate Nutrition 0.000 claims description 15
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical compound C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 claims description 14
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 12
- XMPZTFVPEKAKFH-UHFFFAOYSA-P ceric ammonium nitrate Chemical compound [NH4+].[NH4+].[Ce+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O XMPZTFVPEKAKFH-UHFFFAOYSA-P 0.000 claims description 12
- KLSLBUSXWBJMEC-UHFFFAOYSA-N 4-Propylphenol Chemical compound CCCC1=CC=C(O)C=C1 KLSLBUSXWBJMEC-UHFFFAOYSA-N 0.000 claims description 11
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 10
- 235000021314 Palmitic acid Nutrition 0.000 claims description 9
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims description 9
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims description 8
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 7
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 7
- 239000004160 Ammonium persulphate Substances 0.000 claims description 6
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 235000019395 ammonium persulphate Nutrition 0.000 claims description 6
- PGJHGXFYDZHMAV-UHFFFAOYSA-K azanium;cerium(3+);disulfate Chemical compound [NH4+].[Ce+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O PGJHGXFYDZHMAV-UHFFFAOYSA-K 0.000 claims description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 5
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- VFPFQHQNJCMNBZ-UHFFFAOYSA-N ethyl gallate Chemical compound CCOC(=O)C1=CC(O)=C(O)C(O)=C1 VFPFQHQNJCMNBZ-UHFFFAOYSA-N 0.000 claims description 4
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 claims description 4
- 229940033355 lauric acid Drugs 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- FBSFWRHWHYMIOG-UHFFFAOYSA-N methyl 3,4,5-trihydroxybenzoate Chemical compound COC(=O)C1=CC(O)=C(O)C(O)=C1 FBSFWRHWHYMIOG-UHFFFAOYSA-N 0.000 claims description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 4
- 150000002943 palmitic acids Chemical class 0.000 claims description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 claims description 4
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 claims description 4
- SBVKVAIECGDBTC-UHFFFAOYSA-N 4-hydroxy-2-methylidenebutanamide Chemical compound NC(=O)C(=C)CCO SBVKVAIECGDBTC-UHFFFAOYSA-N 0.000 claims description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 3
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 3
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 3
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 3
- 229920000053 polysorbate 80 Polymers 0.000 claims description 3
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical class COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N Benzoic acid Natural products OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
- 239000005711 Benzoic acid Substances 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 150000001558 benzoic acid derivatives Chemical class 0.000 claims description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 229940074391 gallic acid Drugs 0.000 claims description 2
- 235000004515 gallic acid Nutrition 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- IBKQQKPQRYUGBJ-UHFFFAOYSA-N methyl gallate Natural products CC(=O)C1=CC(O)=C(O)C(O)=C1 IBKQQKPQRYUGBJ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 13
- 238000006116 polymerization reaction Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000011162 core material Substances 0.000 abstract 2
- 239000003431 cross linking reagent Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000084 Gum arabic Polymers 0.000 description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 2
- 239000004141 Sodium laurylsulphate Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 2
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LIZLYZVAYZQVPG-UHFFFAOYSA-N (3-bromo-2-fluorophenyl)methanol Chemical compound OCC1=CC=CC(Br)=C1F LIZLYZVAYZQVPG-UHFFFAOYSA-N 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 150000002596 lactones Chemical group 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
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Abstract
The invention relates to the field of applied chemistry, and in particular relates to a thermochromic material and a preparation method thereof. The thermochromic material comprises a leuco dye, an electron acceptor material, a temperature control agent, styrene and other comonomers, a cross-linking agent, an emulsifier, water and an initiator. The preparation method comprises the following steps of: mixing the leuco dye, the electron acceptor material and the temperature control agent, and stirring for reaction at 75-95 DEG C to obtain a core material; mixing the styrene and other comonomers, the cross-linking agent, the emulsifier and the water, and stirring for emulsification; and adding the core material and the initiator, and stirring for polymerization to obtain the product. According to the thermochromic material and the preparation method thereof provided by the invention, the thermochromic material can be cured on attachments such as textiles and the like and is not separated easily, thus the thermochromic material provided by the invention is firmer on the attachments such as textiles and the like and is not easily washed off by water.
Description
Technical field
The present invention relates to applied chemistry field, in particular to a kind of thermosensitive chromotropic material and preparation method thereof.
Background technology
Thermosensitive chromotropic material used in textiles is generally organic dye, and it is primarily of leuco dye, electron acceptor material, temperature control agent and coating material four part composition.
Wherein, leuco dye is the material that some develop the color in conjunction with proton, as lactone compound, as supplied for electronic part in variable color system.Electron acceptor material is a kind of compound of reversible releasing proton, as being subject to electronic section in variable color system.Temperature control agent in variable color system as temperature sense part.Above-mentioned leuco dye and temperature control agent are the main bodys of heat-sensitive variable colour, i.e. core, and its Discoloration mechanism is: after textiles etc. drop to certain temperature, release proton, namely obtain electronics, colorless materials molecular transposition, conjugated double bond is through, with ionic bond, thus present color.When temperature is raised to necessarily, in conjunction with proton, then leuco dye becomes lactone structure again, i.e. closed loop, and color disappears, in colourless.And the coating material medium that to be slurry in core and textiles compatible, in namely core is coated on by coating material, and then mix with slurry, printing and dyeing on the textile, such as summer clothing, towel, performer's clothes, working suit, umbrella, rain cape, curtain etc.Wherein, slurry used in textiles is based on acrylic ester compound.
In correlation technique, coating material used in thermosensitive chromotropic material comprises urea-formaldehyde resin, melamine formaldehyde resin, chitosan etc., but the consistency of these coating materials and esters of acrylic acid slurry is bad, thus easy generation is on the textile solidified disconnected from each other, cause the thermosensitive chromotropic material of printing and dyeing on the textile insecure, rinsed out by water.
Summary of the invention
The object of the present invention is to provide a kind of thermosensitive chromotropic material and preparation method thereof, to solve the above problems.
Provide a kind of thermosensitive chromotropic material in an embodiment of the present invention, comprising:
Leuco dye, electron acceptor material, temperature control agent, vinylbenzene and other comonomer, linking agent, emulsifying agent, water, initiator;
Other comonomer described is one or more in methyl acrylate, methyl methacrylate, vinylformic acid, acrylamide, n-methylolacrylamide, Vinylstyrene, MALEIC ANHYDRIDE;
Described linking agent is one or more in Vinylstyrene, n-methylolacrylamide, hydroxyethyl acrylamide;
Described emulsifying agent is one or more in sodium laurylsulfonate, sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, alkylphenol polyoxyethylene, tween-10, tween 20, tween-21, Tween-40, tween-80, Tween-81, gummi arabicum pulveratum, Si Ban-60, span-80, polyvinyl alcohol;
Described initiator is the one in ceric ammonium nitrate, ammonium cerous sulfate, ammonium persulphate, Potassium Persulphate, and described ceric ammonium nitrate, described ammonium cerous sulfate, described ammonium persulphate, a kind of composite initiator formed with sodium bisulfite in described Potassium Persulphate.
Additionally provide the preparation method of above-mentioned thermosensitive chromotropic material in an embodiment of the present invention, comprise the following steps:
Steps A: get described colorless materials, described electron acceptor material and described temperature control agent mixing, stir at 75-95 DEG C and make it react, obtain core;
Step B: get described vinylbenzene and other comonomer described, described linking agent, described emulsifying agent, described water mixing, stir and make its emulsification, then add described core and described initiator, and stir polymerization, obtain product.
In the thermosensitive chromotropic material of the above embodiment of the present invention, the main body of described leuco dye, described electron acceptor material and described temperature control agent composition heat-sensitive variable colour, described vinylbenzene and other comonomer described form coating material, and described linking agent, described emulsifying agent, described water and described initiator are copolyreaction functional reagent used; Wherein said vinylbenzene, other comonomer described, described linking agent, described emulsifying agent, described water have the structure similar to esters of acrylic acid with the polymkeric substance that described initiator is formed, according to the principle of similar compatibility, thermosensitive chromotropic material and traditional esters of acrylic acid slurry consistency of the formation of this polymer overmold are good, thus be solidificated on the dirt settlings such as textiles, not easily separated, make thermosensitive chromotropic material of the present invention more firm on the dirt settlings such as textiles, not easily rinsed out by water;
In addition, preparation method provided by the invention can obtain above-mentioned thermosensitive chromotropic material by described steps A and described step B two step, and obtained material can reach above-mentioned beneficial effect.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment one
This embodiment offers a kind of thermosensitive chromotropic material, comprising:
Leuco dye, electron acceptor material, temperature control agent, vinylbenzene and other comonomer, linking agent, emulsifying agent, water, initiator;
Other comonomer described is one or more in methyl acrylate, methyl methacrylate, vinylformic acid, acrylamide, n-methylolacrylamide, Vinylstyrene, MALEIC ANHYDRIDE;
Described linking agent is one or more in Vinylstyrene, n-methylolacrylamide, hydroxyethyl acrylamide;
Described emulsifying agent is one or more in sodium laurylsulfonate, sodium lauryl sulphate, Sodium dodecylbenzene sulfonate, alkylphenol polyoxyethylene, tween-10, tween 20, tween-21, Tween-40, tween-80, Tween-81, gummi arabicum pulveratum, Si Ban-60, span-80, polyvinyl alcohol;
Described initiator is the one in ceric ammonium nitrate, ammonium cerous sulfate, ammonium persulphate, Potassium Persulphate, and described ceric ammonium nitrate, described ammonium cerous sulfate, described ammonium persulphate, a kind of composite initiator formed with sodium bisulfite in described Potassium Persulphate.
In above-described embodiment, described leuco dye can use the multiple leuco dye for heat-sensitive variable colour, and described electron acceptor material can use the multiple ingrain dye(stuff) for heat-sensitive variable colour.
Embodiment two
This embodiment offers a kind of preferred thermosensitive chromotropic material, comprising:
By weight, leuco dye 1-5 part, electron acceptor material 1-10 part, temperature control agent 5-60 part, vinylbenzene and other comonomer 1-80 part altogether, linking agent 1-10 part, emulsifying agent 0.1-5 part, water 30-1000 part, initiator 0.1-5 part.
In the first two embodiment, preferably, described leuco dye is two (4-the dimethylamino phenyl)-6-Dimethylaminobenzene peptide of 3,3-; Described electron acceptor material is one kind of multiple in laurostearic acid, TETRADECONIC ACID, palmitic acid, stearic acid, the alkoxy substituted formic acid of 4-, 4-alkyl substituted benzoic acid, 2,2-two (4-hydroxy phenyl) propane, phenol, Resorcinol, gallic acid, methyl gallate, Progallin A; Described temperature control agent is one or more in lauryl alcohol, tetradecyl alcohol, hexadecanol, stearyl alcohol, laurostearic acid, TETRADECONIC ACID, palmitic acid, polyvinyl alcohol, polyoxyethylene glycol.
In following examples three to six, described colorless materials is two (4-the dimethylamino phenyl)-6-Dimethylaminobenzene peptide of 3,3-.
Embodiment three
This embodiment offers a kind of preferred thermosensitive chromotropic material, comprising:
By weight, 1 part of colorless materials, 2 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 40 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 3 parts of tweens-10,0.5 part of Potassium Persulphate, 200 parts of water.
Embodiment four
This embodiment offers a kind of preferred thermosensitive chromotropic material, comprising:
By weight, 1 part of colorless materials, 2 parts of palmitic acids, 1 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 50 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 2 parts of tweens-10,0.5 part of Potassium Persulphate, 0.5 part of sodium bisulfite, 200 parts of water.
Embodiment five
This embodiment offers a kind of preferred thermosensitive chromotropic material, comprising:
By weight, 1 part of colorless materials, 2 parts of methyl gallates, 1 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 50 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 2 parts of tweens-10,0.5 part of Potassium Persulphate, 200 parts of water.
Embodiment six
This embodiment offers a kind of preferred thermosensitive chromotropic material, comprising:
By weight, 1 part of leuco dye, 2 parts of palmitic acids, 2 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of tetradecyl alcohols, 30 parts of vinylbenzene, 20 parts of methyl methacrylates, 2 parts of MALEIC ANHYDRIDE, 1 part of Vinylstyrene, 0.4 part of n-methylolacrylamide, 2 parts of tween-80s, 0.5 part of Potassium Persulphate, 0.5 part of sodium bisulfite, 200 parts of water.
The thermosensitive chromotropic material that above-mentioned six embodiments provide can reach following beneficial effect:
The main body of described leuco dye, described electron acceptor material and described temperature control agent composition heat-sensitive variable colour, described vinylbenzene and other comonomer described form coating material, and described linking agent, described emulsifying agent, described water and described initiator are copolyreaction functional reagent used; Wherein said vinylbenzene, other comonomer described, described linking agent, described emulsifying agent, described water contain the segmented structure similar to esters of acrylic acid structural unit with in the polymkeric substance that described initiator is formed, according to the principle of similar compatibility, thermosensitive chromotropic material and traditional esters of acrylic acid slurry consistency of the formation of this polymer overmold are good, thus be solidificated on the dirt settlings such as textiles, not easily separated, make thermosensitive chromotropic material of the present invention more firm on the dirt settlings such as textiles, not easily rinsed out by water, namely water-fastness.
In addition, thermosensitive chromotropic material provided by the invention can also reach following beneficial effect: discoloring temperature is adjustable, and variable color is responsive.
In addition, the invention provides the preparation method of above-mentioned thermosensitive chromotropic material, comprise the following steps:
Steps A: get described colorless materials, described electron acceptor material and described temperature control agent and mix, stirs and makes it react, obtain core at 75-95 DEG C;
Step B: get described vinylbenzene and other comonomer described, described linking agent, described emulsifying agent, described water mixing, stir and make its emulsification, then add described initiator and described core, and stir polymerization, obtain product.
Aforesaid method can obtain thermosensitive chromotropic material by two steps, and obtained material can reach the beneficial effect of above-mentioned thermosensitive chromotropic material.
Wherein, preferably, the method for being polymerized described in described step B is: be warming up to 60-90 DEG C, insulation 1-2h, then is cooled to 40 DEG C of insulation 0.5-1 hour.
Preferably, in described step B, stir and make the stirring means of its emulsification be: at 16-60 DEG C, stir 20-60min.
In addition, present invention also offers the more preferred preparation method of above-described embodiment three to six, specific as follows.
The preparation method of the thermosensitive chromotropic material of embodiment four
To thermometer is housed, prolong, mechanical stirrer, adds crystal violet lactone, palmitic acid, hexadecanol in the four-hole boiling flask of opening for feed, two (4-hydroxy phenyl) propane of 2,2-, at 90 DEG C, stirring reaction 1 hour, prepares core.
Vinylbenzene, methyl methacrylate, vinylformic acid, Vinylstyrene, tween-10, water are added in the four-hole boiling flask that thermometer, prolong, mechanical stirrer are housed, stirring and emulsifying 1 hour; In above-mentioned emulsion, add core, Potassium Persulphate stirs 30 minutes at 40 DEG C, be warming up to 85-90 DEG C of insulation 1.5h, be cooled to 40 DEG C with bottom discharge, obtain cinnamic acrylic ester heat-sensitive variable colour microemulsion.
The preparation method of embodiment three, five and six is identical with embodiment four, is just changed by wherein different reagent.In a word, in preparation method of the present invention, polymerization process adopts emulsion polymerization in situ.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a thermosensitive chromotropic material, is characterized in that, by leuco dye, and electron acceptor material, temperature control agent, vinylbenzene and other comonomer, linking agent, emulsifying agent, water and initiator are prepared from;
Other comonomer described is one or more in methyl acrylate, methyl methacrylate, vinylformic acid, acrylamide, n-methylolacrylamide, MALEIC ANHYDRIDE;
Described linking agent is one or more in Vinylstyrene, n-methylolacrylamide, hydroxyethyl acrylamide;
Described emulsifying agent is one or more in alkylphenol polyoxyethylene, tween-10, tween 20, tween-21, Tween-40, tween-80, Tween-81, Si Ban-60, span-80, polyvinyl alcohol;
Described initiator is the one in ceric ammonium nitrate, ammonium cerous sulfate, ammonium persulphate, Potassium Persulphate, and described ceric ammonium nitrate, described ammonium cerous sulfate, described ammonium persulphate, a kind of composite initiator formed with sodium bisulfite in described Potassium Persulphate;
Wherein, by weight, leuco dye 1-5 part, electron acceptor material 1-10 part, temperature control agent 5-60 part, vinylbenzene and other comonomer 1-80 part altogether, linking agent 1-10 part, emulsifying agent 0.1-5 part, water 30-1000 part, initiator 0.1-5 part;
And described thermosensitive chromotropic material adopts following preparation method:
Steps A: get described colorless materials, described electron acceptor material and described temperature control agent mixing, stir at 75-95 DEG C and make it react, obtain core;
Step B: get described vinylbenzene and other comonomer described, described linking agent, described emulsifying agent, described water mixing, at 16-60 DEG C, stir 20-60min make its emulsification, add described core and described initiator again, be warming up to 60-90 DEG C under agitation again, insulation 1-5h, then be cooled to 40 DEG C, insulation 0.5-2 hour, be polymerized, obtain product.
2. thermosensitive chromotropic material according to claim 1, is characterized in that,
Described leuco dye is two (4-the dimethylamino phenyl)-6-Dimethylaminobenzene peptide of 3,3-;
Described electron acceptor material is one or more in laurostearic acid, TETRADECONIC ACID, palmitic acid, stearic acid, the alkoxy substituted formic acid of 4-, 4-alkyl substituted benzoic acid, 2,2-two (4-hydroxy phenyl) propane, phenol, Resorcinol, gallic acid, methyl gallate, Progallin A;
Described temperature control agent is one or more in lauryl alcohol, tetradecyl alcohol, hexadecanol, stearyl alcohol, laurostearic acid, TETRADECONIC ACID, palmitic acid, polyvinyl alcohol, polyoxyethylene glycol.
3. thermosensitive chromotropic material according to claim 2, is characterized in that,
By weight, 1 part of colorless materials, 2 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 40 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 3 parts of tweens-10,0.5 part of Potassium Persulphate, 200 parts of water.
4. thermosensitive chromotropic material according to claim 2, is characterized in that,
By weight, 1 part of colorless materials, 2 parts of palmitic acids, 1 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 50 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 2 parts of tweens-10,0.5 part of Potassium Persulphate, 0.5 part of sodium bisulfite, 200 parts of water.
5. thermosensitive chromotropic material according to claim 2, is characterized in that,
By weight, 1 part of colorless materials, 2 parts of methyl gallates, 1 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of hexadecanols, 50 parts of vinylbenzene, 10 parts of methyl methacrylates, 3 parts of vinylformic acid, 1 part of Vinylstyrene, 2 parts of tweens-10,0.5 part of Potassium Persulphate, 200 parts of water.
6. thermosensitive chromotropic material according to claim 2, is characterized in that,
By weight, 1 part of leuco dye, 2 parts of palmitic acids, 2 part of 2,2-two (4-hydroxy phenyl) propane, 40 parts of tetradecyl alcohols, 30 parts of vinylbenzene, 20 parts of methyl methacrylates, 2 parts of MALEIC ANHYDRIDE, 1 part of Vinylstyrene, 0.4 part of n-methylolacrylamide, 2 parts of tween-80s, 0.5 part of Potassium Persulphate, 0.5 part of sodium bisulfite, 200 parts of water.
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