JP2015086233A - Reversible thermochromic liquid composition and reversible thermochromic laminate using the same - Google Patents
Reversible thermochromic liquid composition and reversible thermochromic laminate using the same Download PDFInfo
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- JP2015086233A JP2015086233A JP2013222990A JP2013222990A JP2015086233A JP 2015086233 A JP2015086233 A JP 2015086233A JP 2013222990 A JP2013222990 A JP 2013222990A JP 2013222990 A JP2013222990 A JP 2013222990A JP 2015086233 A JP2015086233 A JP 2015086233A
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- reversible thermochromic
- resin
- liquid composition
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- ester
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Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
Description
本発明は可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体に関する。更に詳細には、消色状態からの加熱により発色する可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体に関する。 The present invention relates to a reversible thermochromic liquid composition and a reversible thermochromic laminate using the same. More specifically, the present invention relates to a reversible thermochromic liquid composition that develops color when heated from a decolored state and a reversible thermochromic laminate using the same.
従来、(イ)電子供与性呈色性有機化合物、(ロ)電子受容性化合物、(ハ)前記(イ)、(ロ)による電子授受反応を可逆的に生起させる反応媒体からなる可逆熱変色性組成物のうち、(ロ)成分としてヒドロキシ安息香酸エステルを用いることによって、消色状態からの加熱により発色状態を示し、降温により消色状態に復帰する変色挙動を示す可逆熱変色性組成物及びそれを内包したマイクロカプセル顔料が開示されており、前記可逆熱変色性組成物を適用したインキ、塗料等の可逆熱変色性液状組成物、前記液状組成物を用いて支持体上に可逆熱変色層を設けた可逆熱変色性積層体が開示されている(例えば、特許文献1参照)。
前記可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体は、加熱により発色状態となるものの、発色する温度が高く、日常生活温度や日常生活温度近傍の温度で容易に発色させることは困難であった。また、日常生活温度や日常生活温度近傍の温度で発色させる液状組成物や積層体が得られたとしても、発色状態における色濃度が低く、実用性を満足させ難かった。
Conventionally, (i) electron donating color-forming organic compound, (b) electron accepting compound, (c) reversible thermal discoloration comprising a reaction medium that reversibly causes the electron transfer reaction by (i) and (b) above. Reversible thermochromic composition exhibiting a color change state by heating from the decolored state and returning to the decolored state by lowering the temperature by using hydroxybenzoic acid ester as the component (b) And a microcapsule pigment encapsulating the same, a reversible thermochromic liquid composition such as ink and paint to which the reversible thermochromic composition is applied, and a reversible heat on a support using the liquid composition. A reversible thermochromic laminate provided with a color changing layer is disclosed (for example, see Patent Document 1).
The reversible thermochromic liquid composition and the reversible thermochromic laminate using the same are colored by heating, but have a high coloration temperature, and easily develop colors at or near daily living temperature. It was difficult. Moreover, even if a liquid composition or a laminate that produces a color at a daily living temperature or a temperature close to the daily living temperature is obtained, the color density in the colored state is low and it is difficult to satisfy practicality.
本発明者は、消色状態からの加熱により発色する可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体について鋭意検討した結果、(イ)、(ロ)、(ハ)成分と共に特定の化合物を添加することによって、生活環境温度域や日常生活温度近傍の温度で容易に消色状態からの加熱により発色状態を呈し、再び消色状態に復帰する変色挙動を呈すると共に、発色時の色濃度が高い可逆熱変色性組成物を内包した可逆熱変色性マイクロカプセル顔料を含む可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体により得られることを見出し、本発明を完成させた。 As a result of intensive studies on the reversible thermochromic liquid composition that develops color by heating from a decolored state and the reversible thermochromic laminate using the same, the present inventors have found (a), (b), (c) components In addition, by adding a specific compound together with the temperature in the living environment temperature or in the vicinity of the daily living temperature, it easily develops a colored state by heating from the decolored state, and exhibits a discoloration behavior that returns to the decolored state again. And a reversible thermochromic liquid composition containing a reversible thermochromic microcapsule pigment encapsulating a reversible thermochromic composition having a high color density at the time, and a reversible thermochromic laminate using the same. Completed the invention.
本発明は(イ)電子供与性呈色性有機化合物と、(ロ)電子受容性化合物として下記一般式(1)で示されるヒドロキシ安息香酸エステル化合物と、(ハ)前記(イ)、(ロ)による電子授受反応を可逆的に生起させる反応媒体として鎖式炭化水素類、脂環族炭化水素類、芳香族炭化水素類、ハロゲン化炭化水素類から選ばれる化合物と、(ニ)軟化点が5℃以上、且つ、重量平均分子量が200乃至10万のスチレン系化合物とからなる消色状態からの加熱により発色状態となる可逆熱変色性組成物をマイクロカプセルに内包した可逆熱変色性マイクロカプセル顔料と、樹脂を含むビヒクルとからなる可逆熱変色性液状組成物を要件とする。
更には、前記一般式(1)で示されるヒドロキシ安息香酸エステル化合物のアルキル基が、炭素数12乃至20の直鎖アルキル基であること、前記(ハ)成分に対する(ニ)成分の割合が4〜40質量%であること等を要件とする。
更には、支持体上に、前記可逆熱変色性液状組成物を用いて可逆熱変色層を設けた可逆熱変色性積層体を要件とする。
The present invention includes (a) an electron-donating color-forming organic compound, (b) a hydroxybenzoic acid ester compound represented by the following general formula (1) as an electron-accepting compound, (c) the above-mentioned (a), (b) ) As a reaction medium for reversibly causing the electron transfer reaction by a compound selected from chain hydrocarbons, alicyclic hydrocarbons, aromatic hydrocarbons, halogenated hydrocarbons, and (d) a softening point. A reversible thermochromic microcapsule encapsulating a reversible thermochromic composition that becomes a colored state upon heating from a decolored state comprising a styrene compound having a weight average molecular weight of 200 to 100,000 and a temperature average molecular weight of 5 ° C or higher. A reversible thermochromic liquid composition comprising a pigment and a vehicle containing a resin is required.
Furthermore, the alkyl group of the hydroxybenzoic acid ester compound represented by the general formula (1) is a linear alkyl group having 12 to 20 carbon atoms, and the ratio of the component (d) to the component (c) is 4. The requirement is -40 mass%.
Furthermore, a reversible thermochromic laminate in which a reversible thermochromic layer is provided on the support using the reversible thermochromic liquid composition is a requirement.
本発明は、生活環境温度域や日常生活温度近傍の温度で容易に消色状態からの加熱により発色状態を呈し、再び消色状態に復帰する可逆的変色挙動を呈すると共に、発色時の色濃度が高く、教習要素、玩具、装飾等、多様な分野に適用可能な可逆熱変色性液状組成物及びそれを用いた可逆熱変色性積層体を提供できる。 The present invention exhibits a color development state by heating from the decolored state easily at a temperature around the living environment temperature range or daily living temperature, exhibits a reversible discoloration behavior to return to the decolored state again, and color density at the time of color development. Therefore, it is possible to provide a reversible thermochromic liquid composition that can be applied to various fields such as learning elements, toys, and decorations, and a reversible thermochromic laminate using the same.
前記(イ)電子供与性呈色性有機化合物としては、ジフェニルメタンフタリド類、フェニルインドリルフタリド類、インドリルフタリド類、ジフェニルメタンアザフタリド類、フェニルインドリルアザフタリド類、フルオラン類、スチリノキノリン類、ジアザローダミンラクトン類、ピリジン類、キナゾリン類、ビスキナゾリン類等が挙げられる。
以下にこれらの化合物を例示する。
3,3−ビス(p−ジメチルアミノフェニル)−6−ジメチルアミノフタリド、
3−(4−ジエチルアミノフェニル)−3−(1−エチル−2−メチルインドール−3−イル)フタリド、
3,3−ビス(1−n−ブチル−2−メチルインドール−3−イル)フタリド、
3,3−ビス(2−エトキシ−4−ジエチルアミノフェニル)−4−アザフタリド、
3−〔2−エトキシ−4−(N−エチルアニリノ)フェニル〕−3−(1−エチル−2−メチルインドール−3−イル)−4−アザフタリド、
3,6−ジフェニルアミノフルオラン、
3,6−ジメトキシフルオラン、
3,6−ジ−n−ブトキシフルオラン、
2−メチル−6−(N−エチル−N−p−トリルアミノ)フルオラン、
3−クロロ−6−シクロヘキシルアミノフルオラン、
2−メチル−6−シクロヘキシルアミノフルオラン、
2−(2−クロロアミノ)−6−ジブチルアミノフルオラン、
2−(2−クロロアニリノ)−6−ジ−n−ブチルアミノフルオラン、
2−(3−トリフルオロメチルアニリノ)−6−ジエチルアミノフルオラン、
2−(N−メチルアニリノ)−6−(N−エチル−N−p−トリルアミノ)フルオラン、
1,3−ジメチル−6−ジエチルアミノフルオラン、
2−クロロ−3−メチル−6−ジエチルアミノフルオラン、
2−アニリノ−3−メチル−6−ジエチルアミノフルオラン、
2−アニリノ−3−メチル−6−ジ−n−ブチルアミノフルオラン、
2−キシリジノ−3−メチル−6−ジエチルアミノフルオラン、
1,2−ベンツ−6−ジエチルアミノフルオラン、
1,2−ベンツ−6−(N−エチル−N−イソブチルアミノ)フルオラン、
1,2−ベンツ−6−(N−エチル−N−イソアミルアミノ)フルオラン、
2−(3−メトキシ−4−ドデコキシスチリル)キノリン、
スピロ〔5H−(1)ベンゾピラノ(2,3−d)ピリミジン−5,1′(3′H)イソベンゾフラン〕−3′−オン、
2−(ジエチルアミノ)−8−(ジエチルアミノ)−4−メチル−スピロ〔5H−(1)ベンゾピラノ(2,3−g)ピリミジン−5,1′(3′H)イソベンゾフラン〕−3−オン、
2−(ジ−n−ブチルアミノ)−8−(ジ−n−ブチルアミノ)−4−メチル−スピロ〔5H−(1)ベンゾピラノ(2,3−g)ピリミジン−5,1′(3′H)イソベンゾフラン〕−3−オン、
2−(ジ−n−ブチルアミノ)−8−(ジエチルアミノ)−4−メチル−スピロ〔5H−(1)ベンゾピラノ(2,3−g)ピリミジン−5,1′(3′H)イソベンゾフラン〕−3−オン、
2−(ジ−n−ブチルアミノ)−8−(N−エチル−N−i−アミルアミノ)−4−メチル−スピロ〔5H−(1)ベンゾピラノ(2,3−g)ピリミジン−5,1′(3′H)イソベンゾフラン〕−3−オン、
2−(ジブチルアミノ)−8−(ジペンチルアミノ)−4−メチル−スピロ[5H−(1)ベンゾピラノ(2,3−g)ピリミジン−5,1′(3′H)−イソベンゾフラン]−3−オン、
3−(2−メトキシ−4−ジメチルアミノフェニル)−3−(1−ブチル−2−メチルインドール−3−イル)−4,5,6,7−テトラクロロフタリド、
3−(2−エトキシ−4−ジエチルアミノフェニル)−3−(1−エチル−2−メチルインドール−3−イル)−4,5,6,7−テトラクロロフタリド、
3−(2−エトキシ−4−ジエチルアミノフェニル)−3−(1−ペンチル−2−メチルインドール−3−イル)−4,5,6,7−テトラクロロフタリド、
4,5,6,7−テトラクロロ−3−[4−(ジメチルアミノ)−2−メチルフェニル]−3−(1−エチル−2−メチル−1H−インドール−3−イル)−1(3H)−イソベンゾフラノン、
3′,6′−ビス〔フェニル(2−メチルフェニル)アミノ〕−スピロ[イソベンゾフラン−1(3H),9′−〔9H〕キサンテン]−3−オン、
3′,6′−ビス〔フェニル(3−メチルフェニル)アミノ〕−スピロ[イソベンゾフラン−1(3H),9′−〔9H〕キサンテン]−3−オン、
3′,6′−ビス〔フェニル(3−エチルフェニル)アミノ〕−スピロ[イソベンゾフラン−1(3H),9′−〔9H〕キサンテン]−3−オン、
4−[2,6−ビス(2−エトキシフェニル)−4−ピリジニル]−N,N−ジメチルベンゼンアミン、
2−(4′−ジメチルアミノフェニル)−4−メトキシ−キナゾリン、
4,4′−(エチレンジオキシ)−ビス〔2−(4−ジエチルアミノフェニル)キナゾリン〕等を挙げることができる。
なお、フルオラン類としては、キサンテン環を形成するフェニル基に置換基を有する前記化合物の他、キサンテン環を形成するフェニル基に置換基を有すると共にラクトン環を形成するフェニル基にも置換基(例えば、メチル基等のアルキル基、クロロ基等のハロゲン原子)を有する化合物であってもよい。
Examples of the (i) electron donating color-forming organic compound include diphenylmethane phthalides, phenyl indolyl phthalides, indolyl phthalides, diphenyl methane azaphthalides, phenyl indolyl azaphthalides, fluorans, Examples include stylinoquinones, diazarhodamine lactones, pyridines, quinazolines, and bisquinazolines.
Examples of these compounds are given below.
3,3-bis (p-dimethylaminophenyl) -6-dimethylaminophthalide,
3- (4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) phthalide,
3,3-bis (1-n-butyl-2-methylindol-3-yl) phthalide,
3,3-bis (2-ethoxy-4-diethylaminophenyl) -4-azaphthalide,
3- [2-ethoxy-4- (N-ethylanilino) phenyl] -3- (1-ethyl-2-methylindol-3-yl) -4-azaphthalide,
3,6-diphenylaminofluorane,
3,6-dimethoxyfluorane,
3,6-di-n-butoxyfluorane,
2-methyl-6- (N-ethyl-Np-tolylamino) fluorane,
3-chloro-6-cyclohexylaminofluorane,
2-methyl-6-cyclohexylaminofluorane,
2- (2-chloroamino) -6-dibutylaminofluorane,
2- (2-chloroanilino) -6-di-n-butylaminofluorane,
2- (3-trifluoromethylanilino) -6-diethylaminofluorane,
2- (N-methylanilino) -6- (N-ethyl-Np-tolylamino) fluorane,
1,3-dimethyl-6-diethylaminofluorane,
2-chloro-3-methyl-6-diethylaminofluorane,
2-anilino-3-methyl-6-diethylaminofluorane,
2-anilino-3-methyl-6-di-n-butylaminofluorane,
2-xylidino-3-methyl-6-diethylaminofluorane,
1,2-benz-6-diethylaminofluorane,
1,2-benz-6- (N-ethyl-N-isobutylamino) fluorane,
1,2-benz-6- (N-ethyl-N-isoamylamino) fluorane,
2- (3-methoxy-4-dodecoxystyryl) quinoline,
Spiro [5H- (1) benzopyrano (2,3-d) pyrimidine-5,1 '(3'H) isobenzofuran] -3'-one,
2- (diethylamino) -8- (diethylamino) -4-methyl-spiro [5H- (1) benzopyrano (2,3-g) pyrimidine-5,1 ′ (3′H) isobenzofuran] -3-one,
2- (Di-n-butylamino) -8- (di-n-butylamino) -4-methyl-spiro [5H- (1) benzopyrano (2,3-g) pyrimidine-5,1 '(3' H) Isobenzofuran] -3-one,
2- (Di-n-butylamino) -8- (diethylamino) -4-methyl-spiro [5H- (1) benzopyrano (2,3-g) pyrimidine-5,1 '(3'H) isobenzofuran] -3-one,
2- (Di-n-butylamino) -8- (N-ethyl-Ni-amylamino) -4-methyl-spiro [5H- (1) benzopyrano (2,3-g) pyrimidine-5,1 ' (3′H) isobenzofuran] -3-one,
2- (Dibutylamino) -8- (dipentylamino) -4-methyl-spiro [5H- (1) benzopyrano (2,3-g) pyrimidine-5,1 '(3'H) -isobenzofuran] -3 -On,
3- (2-methoxy-4-dimethylaminophenyl) -3- (1-butyl-2-methylindol-3-yl) -4,5,6,7-tetrachlorophthalide,
3- (2-ethoxy-4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) -4,5,6,7-tetrachlorophthalide,
3- (2-ethoxy-4-diethylaminophenyl) -3- (1-pentyl-2-methylindol-3-yl) -4,5,6,7-tetrachlorophthalide,
4,5,6,7-Tetrachloro-3- [4- (dimethylamino) -2-methylphenyl] -3- (1-ethyl-2-methyl-1H-indol-3-yl) -1 (3H ) -Isobenzofuranone,
3 ', 6'-bis [phenyl (2-methylphenyl) amino] -spiro [isobenzofuran-1 (3H), 9'-[9H] xanthen] -3-one,
3 ', 6'-bis [phenyl (3-methylphenyl) amino] -spiro [isobenzofuran-1 (3H), 9'-[9H] xanthen] -3-one,
3 ', 6'-bis [phenyl (3-ethylphenyl) amino] -spiro [isobenzofuran-1 (3H), 9'-[9H] xanthen] -3-one,
4- [2,6-bis (2-ethoxyphenyl) -4-pyridinyl] -N, N-dimethylbenzenamine,
2- (4'-dimethylaminophenyl) -4-methoxy-quinazoline,
4,4 '-(ethylenedioxy) -bis [2- (4-diethylaminophenyl) quinazoline] and the like.
In addition to the above compounds having a substituent on the phenyl group forming the xanthene ring, the fluoranes include a substituent on the phenyl group forming the lactone ring as well as the phenyl group forming the xanthene ring (for example, And a compound having an alkyl group such as a methyl group or a halogen atom such as a chloro group.
前記(ロ)電子受容性化合物としては、一般式(1)で示されるヒドロキシ安息香酸エステルが用いられる。
前記ヒドロキシ安息香酸エステルのアルキル基は、炭素数が10〜22の直鎖又は側鎖アルキル基である。炭素数が10未満或いは22を越えるアルキル基を有する系では結晶性が低いため実用性を満足させない。変色特性、発色濃度等、より実用性能を考慮した場合、該化合物のアルキル基は、炭素数12〜20の直鎖アルキル基であることが更に好ましい。
以下にヒドロキシ安息香酸エステルを例示する。
3−ヒドロキシ安息香酸デシルエステル、3−ヒドロキシ安息香酸ウンデシルエステル、
3−ヒドロキシ安息香酸ドデシルエステル、3−ヒドロキシ安息香酸トリデシルエステル、3−ヒドロキシ安息香酸テトラデシルエステル、3−ヒドロキシ安息香酸ペンタデシルエステル、3−ヒドロキシ安息香酸ヘキサデシルエステル、3−ヒドロキシ安息香酸ヘプタデシルエステル、3−ヒドロキシ安息香酸オクタデシルエステル、3−ヒドロキシ安息香酸ノナデシルエステル、3−ヒドロキシ安息香酸エイコシルエステル、3−ヒドロキシ安息香酸ヘンエイコシルエステル、3−ヒドロキシ安息香酸ドコシルエステル、4−ヒドロキシ安息香酸デシルエステル、4−ヒドロキシ安息香酸ウンデシルエステル、4−ヒドロキシ安息香酸ドデシルエステル、4−ヒドロキシ安息香酸トリデシルエステル、4−ヒドロキシ安息香酸テトラデシルエステル、4−ヒドロキシ安息香酸ペンタデシルエステル、4−ヒドロキシ安息香酸ヘキサデシルエステル、4−ヒドロキシ安息香酸ヘプタデシルエステル、4−ヒドロキシ安息香酸オクタデシルエステル、4−ヒドロキシ安息香酸ノナデシルエステル、4−ヒドロキシ安息香酸エイコシルエステル、4−ヒドロキシ安息香酸ヘンエイコシルエステル、4−ヒドロキシ安息香酸ドコシルエステル、3,4−ジヒドロキシ安息香酸デシルエステル、3,4−ジヒドロキシ安息香酸ウンデシルエステル、3,4−ジヒドロキシ安息香酸ドデシルエステル、3,4−ジヒドロキシ安息香酸トリデシルエステル、3,4−ジヒドロキシ安息香酸テトラデシルエステル、3,4−ジヒドロキシ安息香酸ペンタデシルエステル、3,4−ジヒドロキシ安息香酸ヘキサデシルエステル、3,4−ジヒドロキシ安息香酸ヘプタデシルエステル、3,4−ジヒドロキシ安息香酸オクタデシルエステル、3,4−ジヒドロキシ安息香酸ノナデシルエステル、3,4−ジヒドロキシ安息香酸エイコシルエステル、3,4−ジヒドロキシ安息香酸ヘンエイコシルエステル、3,4−ジヒドロキシ安息香酸ドコシルエステル、3,5−ジヒドロキシ安息香酸デシルエステル、3,5−ジヒドロキシ安息香酸ウンデシルエステル、3,5−ジヒドロキシ安息香酸ドデシルエステル、3,5−ジヒドロキシ安息香酸トリデシルエステル、3,5−ジヒドロキシ安息香酸テトラデシルエステル、3,5−ジヒドロキシ安息香酸ペンタデシルエステル、3,5−ジヒドロキシ安息香酸ヘキサデシルエステル、3,5−ジヒドロキシ安息香酸ヘプタデシルエステル、3,5−ジヒドロキシ安息香酸オクタデシルエステル、3,5−ジヒドロキシ安息香酸ノナデシルエステル、3,5−ジヒドロキシ安息香酸エイコシルエステル、3,5−ジヒドロキシ安息香酸ヘンエイコシルエステル、3,5−ジヒドロキシ安息香酸ドコシルエステル。
As the (b) electron-accepting compound, a hydroxybenzoic acid ester represented by the general formula (1) is used.
The alkyl group of the hydroxybenzoic acid ester is a linear or side chain alkyl group having 10 to 22 carbon atoms. A system having an alkyl group having less than 10 or more than 22 carbon atoms does not satisfy practicality because of low crystallinity. In consideration of more practical performance such as discoloration characteristics and color density, the alkyl group of the compound is more preferably a linear alkyl group having 12 to 20 carbon atoms.
Examples of hydroxybenzoic acid esters are shown below.
3-hydroxybenzoic acid decyl ester, 3-hydroxybenzoic acid undecyl ester,
3-hydroxybenzoic acid dodecyl ester, 3-hydroxybenzoic acid tridecyl ester, 3-hydroxybenzoic acid tetradecyl ester, 3-hydroxybenzoic acid pentadecyl ester, 3-hydroxybenzoic acid hexadecyl ester, 3-hydroxybenzoic acid hepta Decyl ester, 3-hydroxybenzoic acid octadecyl ester, 3-hydroxybenzoic acid nonadecyl ester, 3-hydroxybenzoic acid eicosyl ester, 3-hydroxybenzoic acid heneicosyl ester, 3-hydroxybenzoic acid docosyl ester, 4- Hydroxybenzoic acid decyl ester, 4-hydroxybenzoic acid undecyl ester, 4-hydroxybenzoic acid dodecyl ester, 4-hydroxybenzoic acid tridecyl ester, 4-hydroxybenzoic acid tetradecyl ester Ester, 4-hydroxybenzoic acid pentadecyl ester, 4-hydroxybenzoic acid hexadecyl ester, 4-hydroxybenzoic acid heptadecyl ester, 4-hydroxybenzoic acid octadecyl ester, 4-hydroxybenzoic acid nonadecyl ester, 4-hydroxybenzoic acid Acid eicosyl ester, 4-hydroxybenzoic acid heneicosyl ester, 4-hydroxybenzoic acid docosyl ester, 3,4-dihydroxybenzoic acid decyl ester, 3,4-dihydroxybenzoic acid undecyl ester, 3,4-dihydroxy Benzoic acid dodecyl ester, 3,4-dihydroxybenzoic acid tridecyl ester, 3,4-dihydroxybenzoic acid tetradecyl ester, 3,4-dihydroxybenzoic acid pentadecyl ester, 3,4-dihydroxybenzoic acid Peroxyhexadecyl ester, 3,4-dihydroxybenzoic acid heptadecyl ester, 3,4-dihydroxybenzoic acid octadecyl ester, 3,4-dihydroxybenzoic acid nonadecyl ester, 3,4-dihydroxybenzoic acid eicosyl ester, 3 , 4-Dihydroxybenzoic acid heneicosyl ester, 3,4-dihydroxybenzoic acid docosyl ester, 3,5-dihydroxybenzoic acid decyl ester, 3,5-dihydroxybenzoic acid undecyl ester, 3,5-dihydroxybenzoic acid Dodecyl ester, 3,5-dihydroxybenzoic acid tridecyl ester, 3,5-dihydroxybenzoic acid tetradecyl ester, 3,5-dihydroxybenzoic acid pentadecyl ester, 3,5-dihydroxybenzoic acid hexadecyl ester, 3,5 - Hydroxybenzoic acid heptadecyl ester, 3,5-dihydroxybenzoic acid octadecyl ester, 3,5-dihydroxybenzoic acid nonadecyl ester, 3,5-dihydroxybenzoic acid eicosyl ester, 3,5-dihydroxybenzoic acid heneicosyl ester 3,5-dihydroxybenzoic acid docosyl ester.
(ハ)前記(イ)、(ロ)による電子授受反応を可逆的に生起させる反応媒体としては、鎖式炭化水素類、脂環族炭化水素類、芳香族炭化水素類、ハロゲン化炭化水素類から選ばれる化合物が用いられる。
前記化合物を用いることにより、(イ)成分と(ロ)成分の反応による発色性に対する減感性が小さく、加熱発色の変色挙動と色濃度の向上に効果的に機能する。
なお、前記(ロ)成分のヒドロキシ安息香酸エステルはアルキル基の炭素数が大きい程、結晶性が高い傾向にあり、(ハ)成分の添加により結晶性の高いヒドロキシ安息香酸エステルを低温領域の変色温度で使用可能となる。
前記鎖式炭化水素類としては、ペンタデカン、ヘキサデカン、ヘプタデカン、オクタデカン、ノナデカン、エイコサン、ヘンエイコサン、ドコサン、トリコサン、テトラコサン、ペンタコサン、ヘキサコサン、ヘプタコサン、オクタコサン、ノナコサン、トリアコンタン等の飽和炭化水素類、1−ペンタデセン、1−ヘキサデセン、1−ヘプタデセン、1−オクタデセン、1−ノナデセン、1−エイコセン、1−ヘンエイコセン、1−ドコセン、1−トリコセン、1−テトラコセン、1−ペンタコセン、1−ヘキサコセン、1−ヘプタコセン、1−オクタコセン、1−ノナコセン、1−トリアコンテン等の不飽和鎖式炭化水素類を例示できる。
脂環式炭化水素類としては、シクロオクタン、シクロドデカン、n−ペンタデシルシクロヘキサン、n−オクタデシルシクロヘキサン、n−ノナデシルシクロヘキサン、デカヒドロナフタレン等を例示できる。
芳香族炭化水素類としては、ドデシルベンゼン、ビフェニル、エチルビフェニル、4−ベンジルベンゼン、フェニルトリルメタン、ジフェニルエタン、1,3−ジフェニルベンゼン、ジベンジルトルエン、メチルナフタレン、2,7−ジイソプロピルナフタレン、メチルテトラリン、ナフチルフェニルメタン等を例示できる。
ハロゲン化炭化水素類としては、1−ブロモデカン、1−ブロモウンデカン、1−ブロモドデカン、1−ブロモトリデカン、1−ブロモテトラデカン、1−クロロテトラデカン、1−ブロモペンタデカン、1−ブロモヘキサデカン、1−クロロヘキサデカン、1−ヨードヘキサデカン、1−ブロモヘプタデカン、1−ブロモオクタデカン、1−クロロオクタデカン、1−ヨードオクタデカン、1−ブロモエイコサン、1−クロロエイコサン、1−ブロモドコサン、1−クロロドコサン等を例示できる。
(C) The reaction medium for reversibly causing the electron transfer reaction according to (a) and (b) includes chain hydrocarbons, alicyclic hydrocarbons, aromatic hydrocarbons, and halogenated hydrocarbons. A compound selected from is used.
By using the compound, the desensitization to the color developability due to the reaction between the component (A) and the component (B) is small, and it effectively functions to improve the color change behavior and color density of the heat color.
In addition, the hydroxybenzoic acid ester of the component (b) tends to have higher crystallinity as the carbon number of the alkyl group is larger. By adding the component (c), the high-crystalline hydroxybenzoic acid ester is discolored in a low temperature region. Can be used at temperature.
Examples of the chain hydrocarbons include pentadecane, hexadecane, heptadecane, octadecane, nonadecane, eicosan, heneicosan, docosan, tricosane, tetracosane, pentacosane, hexacosane, heptacosane, octacosane, nonacosane, triacontane and the like, 1- Pentadecene, 1-hexadecene, 1-heptadecene, 1-octadecene, 1-nonadecene, 1-eicosene, 1-henecocene, 1-docosene, 1-tricosene, 1-tetracocene, 1-pentacocene, 1-hexacocene, 1-heptacene, Examples thereof include unsaturated chain hydrocarbons such as 1-octacocene, 1-nonacocene and 1-triacontene.
Examples of alicyclic hydrocarbons include cyclooctane, cyclododecane, n-pentadecylcyclohexane, n-octadecylcyclohexane, n-nonadecylcyclohexane, decahydronaphthalene and the like.
Aromatic hydrocarbons include dodecylbenzene, biphenyl, ethylbiphenyl, 4-benzylbenzene, phenyltolylmethane, diphenylethane, 1,3-diphenylbenzene, dibenzyltoluene, methylnaphthalene, 2,7-diisopropylnaphthalene, methyl Examples include tetralin and naphthylphenylmethane.
Examples of halogenated hydrocarbons include 1-bromodecane, 1-bromoundecane, 1-bromododecane, 1-bromotridecane, 1-bromotetradecane, 1-chlorotetradecane, 1-bromopentadecane, 1-bromohexadecane, 1- Chlorohexadecane, 1-iodohexadecane, 1-bromoheptadecane, 1-bromooctadecane, 1-chlorooctadecane, 1-iodooctadecane, 1-bromoeicosane, 1-chloroeicosane, 1-bromodocosane, 1-chlorodocosane, etc. It can be illustrated.
前記(ニ)軟化点が5℃以上、且つ、重量平均分子量が200乃至10万のスチレン系化合物を以下に例示する。
前記スチレン系化合物は重量平均分子量が200乃至6000ものが好適に用いられる。
なお、重量平均分子量は、GPC法(ゲル浸透クロマトグラフ法)により測定する。
前記スチレン系化合物としては、低分子量ポリスチレン、スチレン−α−メチルスチレン系共重合体、α−メチルスチレン重合体、α−メチルスチレンとビニルトルエンの共重合体等が挙げられる。
低分子量ポリスチレンとしては、三洋化成工業(株)製、商品名:ハイマーSB−75(重量平均分子量2000)、ハイマーST−95(重量平均分子量4000)等が用いられる。
スチレン−α−メチルスチレン系共重合体としては、理化ハーキュレス(株)製、商品名:ピコラスチックA5(重量平均分子量317)、ピコラスチックA75(重量平均分子量917)等が用いられる。
α−メチルスチレン重合体としては、理化ハーキュレス(株)製、商品名:クリスタレックス3085(重量平均分子量664)、クリスタレックス3100(重量平均分子量1020)、クリスタレックス1120(重量平均分子量2420)等が用いられる。
α−メチルスチレンとビニルトルエンの共重合体としては、理化ハーキュレス(株)製、商品名:ピコテックスLC(重量平均分子量950)、ピコテックス100(重量平均分子量1740)等が用いられる。
前記スチレン系化合物は単独で用いてもよいし、2種類以上を併用して用いることもできる。
Examples of the styrene compound (d) having a softening point of 5 ° C. or higher and a weight average molecular weight of 200 to 100,000 are given below.
The styrene compound preferably has a weight average molecular weight of 200 to 6000.
The weight average molecular weight is measured by GPC method (gel permeation chromatography).
Examples of the styrene compound include low molecular weight polystyrene, styrene-α-methylstyrene copolymer, α-methylstyrene polymer, α-methylstyrene and vinyltoluene copolymer, and the like.
As the low molecular weight polystyrene, Sanyo Chemical Industries, Ltd., trade names: Hymer SB-75 (weight average molecular weight 2000), Hemer ST-95 (weight average molecular weight 4000) and the like are used.
As the styrene-α-methylstyrene-based copolymer, Rika Hercules Co., Ltd., trade names: Picolastic A5 (weight average molecular weight 317), Picolastic A75 (weight average molecular weight 917), and the like are used.
Examples of the α-methylstyrene polymer include Rika Hercules Co., Ltd., trade names: Crystallex 3085 (weight average molecular weight 664), Crystallex 3100 (weight average molecular weight 1020), Crystallex 1120 (weight average molecular weight 2420), and the like. Used.
As the copolymer of α-methylstyrene and vinyltoluene, Rika Hercules Co., Ltd., trade names: Picotex LC (weight average molecular weight 950), Picotex 100 (weight average molecular weight 1740) and the like are used.
The styrenic compounds may be used alone or in combination of two or more.
前記(イ)、(ロ)、(ハ)、(ニ)成分の割合は、濃度、変色温度、変色形態や各成分の種類に左右されるが、一般的に所望の特性が得られる成分比は、(イ)成分1に対して、(ロ)成分0.1〜50、好ましくは0.5〜20、(ハ)成分1〜200、好ましくは5〜100、(ニ)成分0.1〜10.0、好ましくは0.5〜5.0の範囲である(前記割合はいずれも重量部である)。 The proportions of the components (a), (b), (c), and (d) depend on the concentration, the color change temperature, the color change form, and the type of each component. Are (b) component 0.1 to 50, preferably 0.5 to 20, (c) component 1 to 200, preferably 5 to 100, and (d) component 0.1. Is in the range of ˜10.0, preferably 0.5 to 5.0 (all of the proportions are in parts by weight).
前記可逆熱変色性組成物はマイクロカプセルに内包して使用される。それは、酸性物質、塩基性物質、過酸化物等の化学的に活性な物質又は他の溶剤成分と接触しても、その機能を低下させることがないことは勿論、耐熱安定性が保持できるためであり、種々の使用条件において可逆熱変色性組成物は同一の組成に保たれ、同一の作用効果を奏することができるからである。
前記可逆熱変色性組成物を内包した可逆熱変色性マイクロカプセル顔料は、粒子径0.1〜100μm、好ましくは3〜30μmの範囲が実用性を満たす。
なお、マイクロカプセル化は、公知の界面重合法、in Situ重合法、液中硬化被覆法、水溶液からの相分離法、有機溶媒からの相分離法、融解分散冷却法、気中懸濁被覆法、スプレードライング法等があり、用途に応じて適宜選択される。更にマイクロカプセルの表面には、目的に応じて更に二次的な樹脂皮膜を設けて耐久性を付与させたり、表面特性を改質させて実用に供することもできる。
The reversible thermochromic composition is used in a microcapsule. It does not deteriorate its function even when it comes in contact with chemically active substances such as acidic substances, basic substances, peroxides, or other solvent components. This is because the reversible thermochromic composition can be maintained in the same composition and exhibit the same action and effect under various use conditions.
The reversible thermochromic microcapsule pigment encapsulating the reversible thermochromic composition satisfies practicality in a particle size range of 0.1 to 100 μm, preferably 3 to 30 μm.
Microencapsulation includes known interfacial polymerization method, in situ polymerization method, in-liquid curing coating method, phase separation method from aqueous solution, phase separation method from organic solvent, melt dispersion cooling method, air suspension coating method There are spray drying methods and the like, which are appropriately selected according to the application. Further, a secondary resin film may be provided on the surface of the microcapsule according to the purpose to impart durability, or the surface characteristics may be modified for practical use.
なお、前記各(イ)、(ロ)、(ハ)、(ニ)成分は各々二種以上の化合物の混合であってもよく、更には機能に支障のない範囲で光安定剤を添加することができる。
前記光安定剤としては、(イ)成分の光反応による励起状態によって生ずる光劣化を防止する紫外線吸収剤、可視光線吸収剤、赤外線吸収剤、酸化防止剤、カロチン類、色素類、アミン類、フェノール類、ニッケル錯体類、スルフィド類等の一重項酸素消光剤、オキシドジスムスターゼとコバルト、及びニッケルの錯体等のスーパーオキシドアニオン消光剤、オゾン消光剤等、酸化反応を抑制する化合物が挙げられ、0.3〜24重量%、好ましくは0.8〜16重量%の割合で系中に配合される。なかでも、前記紫外線吸収剤と、酸化防止剤及び/又は一重項酸素消光剤を併用した系にあっては、耐光性の向上に特に効果的である。
又、老化防止剤、帯電防止剤、極性付与剤、揺変性付与剤、消泡剤等を必要に応じて添加して機能を向上させることもできる。
更には、一般染顔料(非熱変色性)を配合することもできる。
Each of the components (a), (b), (c) and (d) may be a mixture of two or more compounds, and a light stabilizer is added as long as the function is not hindered. be able to.
Examples of the light stabilizer include an ultraviolet absorber, a visible light absorber, an infrared absorber, an antioxidant, a carotene, a dye, an amine, which prevent photodegradation caused by an excited state due to the photoreaction of the component (a). Examples include singlet oxygen quenchers such as phenols, nickel complexes, sulfides, superoxide anion quenchers such as oxide dismutase and cobalt, and nickel complexes, and ozone quenchers. 0.3 to 24% by weight, preferably 0.8 to 16% by weight. In particular, a system using the ultraviolet absorber in combination with an antioxidant and / or a singlet oxygen quencher is particularly effective for improving light resistance.
Moreover, an anti-aging agent, an antistatic agent, a polarity imparting agent, a thixotropic imparting agent, an antifoaming agent and the like can be added as necessary to improve the function.
Furthermore, a general dye / pigment (non-thermochromic property) can also be blended.
前記(イ)、(ロ)、(ハ)、(ニ)成分よりなる可逆熱変色性組成物を内包した可逆熱変色性マイクロカプセル顔料の変色特性を説明する。
消色状態を呈する可逆熱変色性組成物は、加熱過程において発色開始温度(T1)の温度より発色し始め、完全発色温度(T2)に達すると完全発色状態となり、降温する過程で消色誘発温度迄冷却した可逆熱変色性組成物は放置すると消色する。
The color change characteristics of the reversible thermochromic microcapsule pigment encapsulating the reversible thermochromic composition comprising the components (a), (b), (c) and (d) will be described.
The reversible thermochromic composition exhibiting a decolored state starts to develop color from the temperature of the color development start temperature (T 1 ) in the heating process, becomes a complete color development state when the complete color development temperature (T 2 ) is reached, and disappears in the process of lowering the temperature. The reversible thermochromic composition cooled to the color induction temperature loses color when left standing.
本発明においては、前記可逆熱変色性マイクロカプセル顔料をビヒクル中に含有させて塗料、印刷用インキ、筆記具用インキ、絵の具、繊維用着色液、化粧料等の液状組成物として用いる。
本発明で使用されるビヒクルは溶剤と、樹脂と、必要により各種添加剤とから構成される。
前記溶剤としては、水、各種有機溶剤が挙げられる。
前記有機溶剤としては、エタノール、プロパノール、ブタノール、グリセリン、ソルビトール、トリエタノールアミン、ジエタノールアミン、モノエタノールアミン、エチレングリコール、ジエチレングリコール、チオジエチレングリコール、ポリエチレングリコール、プロピレングリコール、ブチレングリコール、エチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、エチレングリコールモノイソプロピルエーテル、エチレングリコールモノブチルエーテル、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノブチルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールモノエチルエーテル、プロピレングリコールモノプロピルエーテル、プロピレングリコールモノブチルエーテル、エチレングリコールモノメチルエーテルアセテート、スルフォラン、2−ピロリドン、N−メチル−2−ピロリドン、n−オクタン、イソオクタン、n−ヘプタン、メチルシクロヘキサン、エチルシクロヘキサン、トルエン、キシレン、3−メトキシブタノール、3−メチル−3−メトキシブタノール、3−メチル−1,3−ブタンジオール、1,3−ブタンジオール、ヘキシレングリコール等が挙げられる。
In the present invention, the reversible thermochromic microcapsule pigment is contained in a vehicle and used as a liquid composition for paints, printing inks, writing instrument inks, paints, textile coloring liquids, cosmetics and the like.
The vehicle used in the present invention comprises a solvent, a resin, and various additives as required.
Examples of the solvent include water and various organic solvents.
Examples of the organic solvent include ethanol, propanol, butanol, glycerin, sorbitol, triethanolamine, diethanolamine, monoethanolamine, ethylene glycol, diethylene glycol, thiodiethylene glycol, polyethylene glycol, propylene glycol, butylene glycol, ethylene glycol monomethyl ether, and ethylene glycol. Monoethyl ether, ethylene glycol monoisopropyl ether, ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol mono Propyl ether, propylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, sulfolane, 2-pyrrolidone, N-methyl-2-pyrrolidone, n-octane, isooctane, n-heptane, methylcyclohexane, ethylcyclohexane, toluene, xylene, 3-methoxy Examples include butanol, 3-methyl-3-methoxybutanol, 3-methyl-1,3-butanediol, 1,3-butanediol, hexylene glycol, and the like.
前記樹脂としては、アイオノマー樹脂、イソブチレン−無水マレイン酸共重合樹脂、アクリロニトリル−アクリリックススチレン共重合樹脂、アクリロニトリル−スチレン共重合樹脂、アクリロニトリル−ブタジエン−スチレン共重合樹脂アクリロニトリル−塩素化ポリエチレン−スチレン共重合樹脂、エチレン−塩化ビニル共重合樹脂、エチレン−酢酸ビニル共重合樹脂、エチレン−酢酸ビニル共重合樹脂、エチレン−酢酸ビニル−塩化ビニルグラフト共重合樹脂、酢酸ビニル樹脂、塩化ビニル樹脂、塩化ビニリデン樹脂、塩素化塩化ビニル樹脂、塩化ビニル−塩化ビニリデン共重合樹脂、塩素化ポリエチレン樹脂、塩素化ポリプロピレン樹脂、ポリアミド樹脂、ポリカーボネート樹脂、ポリブタジエン、ポリエチレンテレフタレート樹脂、ポリブチレンテレフタレート樹脂、ポリスチレン樹脂、ハイインパクトポリスチレン樹脂、スチレン−マレイン酸共重合樹脂、アクリル−スチレン共重合樹脂、ポリプロピレン樹脂、ポリメチルスチレン樹脂、アクリル酸エステル樹脂、ポリメチルメタクリレート樹脂、エポキシアクリレート樹脂、アルキルフェノール樹脂、ロジン変性フェノール樹脂、ロジン変性アルキド樹脂、フェノール樹脂変性アルキド樹脂、スチレン変性アルキド樹脂、エポキシ樹脂変性アルキド樹脂、アクリル変性アルキド樹脂、アミノアルキド樹脂、ブチラール樹脂、ポリウレタン樹脂、塩化ビニル−酢酸ビニル共重合樹脂、エポキシ樹脂、アルキッド樹脂、スチレン−ブタジエン共重合樹脂、不飽和ポリエステル樹脂、飽和ポリエステル樹脂、塩化ビニル−アクリル共重合樹脂、ポリイソブチレン、ブチルゴム、環化ゴム、塩素化ゴム、ポリビニルアルキルエーテル、フッ素樹脂、ケイ素樹脂、フェノール樹脂、石油系炭化水素樹脂、ケトン樹脂、トルエン樹脂、キシレン樹脂、メラミン樹脂、尿素樹脂、ベンゾグアナミン樹脂、ポリエチレンオキサイド、ポリビニルピロリドン、ビニルピロリドン−酢酸ビニル共重合樹脂、ポリビニルアルコール、変性ポリビニルアルコール、ポリアクリル酸塩、ポリメタクリル酸塩、アクリル酸エステル共重合体エマルジョン、メタクリル酸エステル系共重合体エマルジョン、酢酸ビニル−アクリル酸エステル共重合体エマルジョン、エチレン−酢酸ビニル共重合体エマルジョン、スチレン−アクリル酸エステル共重合体エマルジョン、塩化ビニル系共重合体エマルジョン、塩化ビニリデン系共重合体エマルジョン、ポリ酢酸ビニルエマルジョン、ポリオレフィン系エマルジョン、ロジンエステルエマルジョン、エポキシ樹脂エマルジョン、ポリウレタン系エマルジョン、合成ゴムラテックス等の合成樹脂。
低分子量ポリエチレン、低分子量ポリプロピレン、低分子量ポリスチレン、クマロンプラスチック、ポリブテン、フェノキシプラスチック、液状ポリブタジエン、液状ゴム、石油系炭化水素樹脂、シクロペンタジエン系石油樹脂等の合成中分子ポリマー。
セルロース誘導体、アルギン酸誘導体、ロジン誘導体、デンプン類、多糖類、ガム類、天然ゴム、セラック、寒天、ガゼイン、ニカワ、ゼラチン、ポリテルペン等の天然又は半合成樹脂等が挙げられる。
Examples of the resin include ionomer resin, isobutylene-maleic anhydride copolymer resin, acrylonitrile-acrylic styrene copolymer resin, acrylonitrile-styrene copolymer resin, acrylonitrile-butadiene-styrene copolymer resin acrylonitrile-chlorinated polyethylene-styrene copolymer. Resin, ethylene-vinyl chloride copolymer resin, ethylene-vinyl acetate copolymer resin, ethylene-vinyl acetate copolymer resin, ethylene-vinyl acetate-vinyl chloride graft copolymer resin, vinyl acetate resin, vinyl chloride resin, vinylidene chloride resin, Chlorinated vinyl chloride resin, vinyl chloride-vinylidene chloride copolymer resin, chlorinated polyethylene resin, chlorinated polypropylene resin, polyamide resin, polycarbonate resin, polybutadiene, polyethylene terephthalate resin Polybutylene terephthalate resin, polystyrene resin, high impact polystyrene resin, styrene-maleic acid copolymer resin, acrylic-styrene copolymer resin, polypropylene resin, polymethylstyrene resin, acrylate resin, polymethyl methacrylate resin, epoxy acrylate resin, Alkylphenol resin, rosin modified phenol resin, rosin modified alkyd resin, phenol resin modified alkyd resin, styrene modified alkyd resin, epoxy resin modified alkyd resin, acrylic modified alkyd resin, amino alkyd resin, butyral resin, polyurethane resin, vinyl chloride-vinyl acetate Copolymer resin, epoxy resin, alkyd resin, styrene-butadiene copolymer resin, unsaturated polyester resin, saturated polyester resin, vinyl chloride Kuryl copolymer resin, polyisobutylene, butyl rubber, cyclized rubber, chlorinated rubber, polyvinyl alkyl ether, fluororesin, silicon resin, phenol resin, petroleum hydrocarbon resin, ketone resin, toluene resin, xylene resin, melamine resin, urea Resin, benzoguanamine resin, polyethylene oxide, polyvinyl pyrrolidone, vinyl pyrrolidone-vinyl acetate copolymer resin, polyvinyl alcohol, modified polyvinyl alcohol, polyacrylate, polymethacrylate, acrylate copolymer emulsion, methacrylate ester Polymer emulsion, vinyl acetate-acrylate copolymer emulsion, ethylene-vinyl acetate copolymer emulsion, styrene-acrylate copolymer emulsion, vinyl chloride copolymer copolymer Synthetic resins such as marjon, vinylidene chloride copolymer emulsion, polyvinyl acetate emulsion, polyolefin emulsion, rosin ester emulsion, epoxy resin emulsion, polyurethane emulsion, and synthetic rubber latex.
Synthetic medium molecular polymers such as low molecular weight polyethylene, low molecular weight polypropylene, low molecular weight polystyrene, coumarone plastic, polybutene, phenoxy plastic, liquid polybutadiene, liquid rubber, petroleum hydrocarbon resin, cyclopentadiene petroleum resin.
Examples thereof include cellulose derivatives, alginic acid derivatives, rosin derivatives, starches, polysaccharides, gums, natural rubber, shellac, agar, casein, glue, gelatin, and polyterpenes.
これらの樹脂は樹脂エマルジョン、一部の中分子量ポリマー、及びエポキシ樹脂等の一部の反応型樹脂を除き、室温では固体状態であるため、水、脂肪族炭化水素類、芳香族炭化水素類、アルコール類、グリコール類、グリコール誘導体類エステル類、ケトン類等の溶剤に溶解又は分散することにより液状となすことができ、必要により添加剤を添加して液状組成物が調製される。
前記添加剤としては、非熱変色性着色剤、架橋剤、硬化剤、乾燥剤、可塑剤、粘度調整剤、分散剤、紫外線吸収剤、酸化防止剤、光安定剤、沈降防止剤、平滑剤、ゲル化剤、消泡剤、つや消し剤、浸透剤、pH調整剤、発泡剤、カップリング剤、保湿剤、潤滑剤、防黴剤、防腐剤、防錆剤等が挙げられる。
Since these resins are in a solid state at room temperature, except for resin emulsions, some medium molecular weight polymers, and some reactive resins such as epoxy resins, water, aliphatic hydrocarbons, aromatic hydrocarbons, It can be made liquid by dissolving or dispersing in a solvent such as alcohols, glycols, glycol derivatives esters, ketones and the like, and if necessary, a liquid composition is prepared by adding additives.
Examples of the additive include non-thermochromic colorants, crosslinking agents, curing agents, drying agents, plasticizers, viscosity modifiers, dispersants, ultraviolet absorbers, antioxidants, light stabilizers, anti-settling agents, and smoothing agents. , Gelling agents, antifoaming agents, matting agents, penetrating agents, pH adjusting agents, foaming agents, coupling agents, moisturizing agents, lubricants, antifungal agents, antiseptics, rust inhibitors and the like.
前記可逆熱変色性マイクロカプセル顔料をビヒクル中に含有させた液状組成物は、ビヒクルの種類によって塗料、印刷用インキ、筆記具用インキ、絵具、繊維用着色液、化粧料等として用いられる。
前記ビヒクルとして塗料用ビヒクルを用いれば可逆熱変色性塗料となる。
塗装方法には、刷毛塗り、スプレー塗装、静電気塗装、浸漬塗装、流し塗り、ローラー塗装、光重合塗装等があり、これらの塗装方法、塗装対象素材に応じて蒸発乾燥型、浸透乾燥型、エマルジョン型、酸化重合型、熱硬化樹脂型、光硬化樹脂型等から選ばれる塗料が調製される。
ビヒクルとして印刷インキ用ビヒクルを用いれば可逆熱変色性印刷用インキが調製される。
印刷方法には、凹版、凸版、平版、孔版、コーター等による印刷方法があり、これらの印刷方法、印刷対象素材に応じて蒸発乾燥型、浸透乾燥型、エマルジョン型、酸化重合型、熱硬化樹脂型、光硬化樹脂型等から選ばれる印刷用インキが調製される。
ビヒクルとして筆記具インキ用ビヒクルを用いれば可逆熱変色性筆記具用インキが調製される。
ビヒクルとして絵の具用ビヒクルを用いれば可逆熱変色性絵の具が調製される。
ビヒクルとして繊維処理用バインダーを用いれば繊維用着色液が調製される。
繊維着色処理方法としては、浸漬、スプレー塗装等があり、処理方法、対象素材に応じて、適宜の組成の繊維用着色液が調製される。
ビヒクルとして化粧料用ラッカーを用いれば化粧料が調製される。
化粧料には、マニキュア用化粧料、メイクアップ用化粧料、毛髪用化粧料等があり、化粧対象に応じて、各種の組成の化粧料が調製される。
The liquid composition containing the reversible thermochromic microcapsule pigment in a vehicle is used as a paint, printing ink, writing ink, paint, fiber coloring liquid, cosmetics, etc., depending on the type of vehicle.
When a paint vehicle is used as the vehicle, a reversible thermochromic paint is obtained.
Coating methods include brush coating, spray coating, electrostatic coating, dip coating, flow coating, roller coating, photopolymerization coating, etc., depending on the coating method and material to be coated, evaporative drying type, osmotic drying type, emulsion A paint selected from a mold, an oxidation polymerization type, a thermosetting resin type, a photocurable resin type, and the like is prepared.
If a printing ink vehicle is used as the vehicle, a reversible thermochromic printing ink is prepared.
Printing methods include intaglio, letterpress, lithographic, stencil, and coater printing methods. Depending on the printing method and material to be printed, evaporation drying type, osmotic drying type, emulsion type, oxidation polymerization type, thermosetting resin A printing ink selected from a mold, a photocurable resin mold, and the like is prepared.
If a writing instrument ink vehicle is used as the vehicle, reversible thermochromic writing instrument ink is prepared.
If a paint vehicle is used as the vehicle, a reversible thermochromic paint is prepared.
If a fiber processing binder is used as a vehicle, a fiber coloring liquid is prepared.
Examples of the fiber coloring treatment method include dipping, spray coating, and the like, and a fiber coloring liquid having an appropriate composition is prepared according to the treatment method and the target material.
Cosmetics are prepared by using a cosmetic lacquer as the vehicle.
Cosmetics include manicure cosmetics, makeup cosmetics, hair cosmetics, and the like, and cosmetics having various compositions are prepared according to the makeup target.
前記可逆熱変色性液状組成物を用いて、公知の方法、例えば、スクリーン印刷、オフセット印刷、グラビヤ印刷、コーター、タンポ印刷、転写等の印刷手段、刷毛塗り、スプレー塗装、静電塗装、電着塗装、流し塗り、ローラー塗り、浸漬塗装等の手段により、支持体上に可逆熱変色層を形成して可逆熱変色性積層体を得ることができる。
前記可逆熱変色層は、液状組成物中の溶剤が揮発してそれ以外の化合物により形成される層であり、前記マイクロカプセル顔料は樹脂に分散状態に固着されてなる。
また、熱可塑性樹脂や熱硬化性樹脂中に前記マイクロカプセル顔料をブレンドした成形用樹脂組成物により成形した成形物を支持体上に貼着して積層体を形成してもよい。
前記可逆熱変色層は、支持体上に併設したり、支持体上に複数の可逆熱変色層を積層して設けてもよい。
また、支持体と可逆熱変色層の間に非変色層を設けたり、可逆熱変色層上に非変色像を設けたり、可逆熱変色層中に一般の染料や顔料(非熱変色性)を配合し、有色(1)から有色(2)への変色挙動を呈することもできる。
前記支持体の材質としては、紙、合成紙、糸、布帛、植毛或いは起毛布、不織布、合成皮革、レザー、プラスチック、ガラス、陶磁器、木材、石材、金属等が挙げられる。
前記積層体の具体例としては、被服、履物、貴金属、照明器具、玩具、造花、文房具、日用品、台所用品、化粧用具、運動用具、書籍等の印刷物、乗物、機械、屋内装飾品、医療品等が挙げられる。
更に、前記支持体は裏面に粘着層を設けて各種対象物に貼着可能な構成であってもよいし、支持体は磁性材による記録体、非接触で情報記録、書き換え、読み取りが可能なICチップ等の記録体を該支持体の表面、裏面、内面に設けた情報記録カードや情報記録タグであってもよい。
Using the reversible thermochromic liquid composition, known methods, for example, printing means such as screen printing, offset printing, gravure printing, coater, tampo printing, transfer, brush coating, spray coating, electrostatic coating, electrodeposition A reversible thermochromic laminate can be obtained by forming a reversible thermochromic layer on the support by means of painting, flow coating, roller coating, dip coating, or the like.
The reversible thermochromic layer is a layer formed of a compound other than that obtained by volatilization of the solvent in the liquid composition, and the microcapsule pigment is fixed to the resin in a dispersed state.
Alternatively, a laminate may be formed by sticking a molded product formed by a molding resin composition obtained by blending the microcapsule pigment in a thermoplastic resin or a thermosetting resin onto a support.
The reversible thermochromic layer may be provided on the support, or a plurality of reversible thermochromic layers may be laminated on the support.
In addition, a non-discoloring layer is provided between the support and the reversible thermochromic layer, a non-discoloring image is provided on the reversible thermochromic layer, and general dyes and pigments (non-thermochromic properties) are added to the reversible thermochromic layer. It can mix | blend and can also exhibit the color change behavior from colored (1) to colored (2).
Examples of the material for the support include paper, synthetic paper, thread, fabric, flocked or raised cloth, non-woven fabric, synthetic leather, leather, plastic, glass, ceramics, wood, stone, and metal.
Specific examples of the laminated body include clothes, footwear, precious metals, lighting equipment, toys, artificial flowers, stationery, daily necessities, kitchenware, cosmetics, exercise equipment, printed materials such as books, vehicles, machines, indoor decorations, and medical products. Etc.
Further, the support may have a configuration in which an adhesive layer is provided on the back surface and can be attached to various objects. The support is a recording body made of a magnetic material, and can record, rewrite and read information without contact. An information recording card or information recording tag in which a recording body such as an IC chip is provided on the front surface, back surface, and inner surface of the support may be used.
更に、前記積層体の可逆熱変色層上には、光安定剤及び/又は光遮蔽性顔料を含む層を積層することによって耐光性を向上させたり、或いは、透明性保護層を設けて耐久性を向上させることもできる。
前記光遮蔽性顔料は、金属光沢顔料、透明二酸化チタン、透明酸化鉄、透明酸化セシウム、透明酸化亜鉛等の顔料類が挙げられる。
Furthermore, on the reversible thermochromic layer of the laminate, light resistance is improved by laminating a layer containing a light stabilizer and / or a light shielding pigment, or a durability is provided by providing a transparent protective layer. Can also be improved.
Examples of the light shielding pigment include pigments such as a metallic luster pigment, transparent titanium dioxide, transparent iron oxide, transparent cesium oxide, and transparent zinc oxide.
本発明に用いられる可逆熱変色性組成物の組成を以下の表に示す。
なお、表中の( )内の数字は質量部を示し、以下の配合量を示す数字はいずれも質量部である。
The composition of the reversible thermochromic composition used in the present invention is shown in the following table.
In addition, the number in () in a table | surface shows a mass part, and all the numbers which show the following compounding quantities are a mass part.
表中の(ニ)成分について、ピコラスチックA−5は、低分子量ポリスチレン樹脂、軟化点5℃であり、ピコラスチックA−75は、低分子量ポリスチレン樹脂、軟化点75℃であり、ピコラスチックD−125は、低分子量ポリスチレン樹脂、軟化点125℃であり、クリスタレックス3085は、低分子量ポリスチレン樹脂、軟化点75℃、クリスタレックス5140は、低分子量α−メチルスチレン系樹脂、軟化点140℃、ピコテックス100は、低分子量ビニルトルエン/α−メチルスチレン系樹脂、軟化点98℃である。 Regarding the component (d) in the table, picolastic A-5 is a low molecular weight polystyrene resin, softening point 5 ° C., picolastic A-75 is a low molecular weight polystyrene resin, softening point 75 ° C., and picolastic D -125 is a low molecular weight polystyrene resin, softening point 125 ° C., Crystallex 3085 is a low molecular weight polystyrene resin, softening point 75 ° C., Crystallex 5140 is a low molecular weight α-methylstyrene resin, softening point 140 ° C. Picotex 100 is a low molecular weight vinyltoluene / α-methylstyrene resin having a softening point of 98 ° C.
各可逆熱変色性組成物を加温溶融して相溶体とした後、エポキシ樹脂及びアミン硬化剤による界面重合反応によりエポキシ樹脂皮膜で内包されたマイクロカプセル形態の可逆熱変色性マイクロカプセル顔料1乃至14を得た。
前記可逆熱変色性マイクロカプセル顔料を用いて以下の測定試料を作成した後、以下の測定方法により変色温度を測定した。
Each reversible thermochromic composition is heated and melted to form a compatible solution, and then reversibly thermochromic microcapsule pigment 1 to microcapsule pigment 1 to microcapsule encapsulated by an epoxy resin film by an interfacial polymerization reaction with an epoxy resin and an amine curing agent. 14 was obtained.
The following measurement samples were prepared using the reversible thermochromic microcapsule pigment, and then the color change temperature was measured by the following measurement method.
測定試料の作製
各可逆熱変色性マイクロカプセル顔料40部をエチレン−酢酸ビニルエマルジョン中に分散してなる可逆熱変色性インキを用いて、スクリーン印刷により上質紙に印刷した印刷物を測定試料とした。
Production of Measurement Sample A printed material printed on fine paper by screen printing using a reversible thermochromic ink obtained by dispersing 40 parts of each reversible thermochromic microcapsule pigment in an ethylene-vinyl acetate emulsion was used as a measurement sample.
測定方法
測定試料1乃至8を色差計〔TC−3600型色差計、(株)東京電色製〕の所定箇所にセットし、0℃から60℃の温度幅で速度10℃/分にて加熱する。
60℃迄加熱した後、消色誘発温度(−10℃)迄冷却し、放置して消色させた
測定試料9乃至12を色差計〔TC−3600型色差計、(株)東京電色製〕の所定箇所にセットし、0℃から60℃の温度幅で速度10℃/分にて加熱する。
60℃迄加熱した後、消色誘発温度(0℃)迄冷却し、放置して消色させた。
測定試料13乃至14を色差計〔TC−3600型色差計、(株)東京電色製〕の所定箇所にセットし、0℃から80℃の温度幅で速度10℃/分にて加熱する。
80℃迄加熱した後、消色誘発温度(10℃)迄冷却し、放置して消色させた。
各測定試料の色変化、発色開始温度(T1)、完全発色温度(T2)、消色誘発温度を以下の表に示す。
Measurement method Measurement samples 1 to 8 are set at predetermined positions of a color difference meter [TC-3600 type color difference meter, manufactured by Tokyo Denshoku Co., Ltd.] and heated at a temperature range of 0 ° C. to 60 ° C. at a rate of 10 ° C./min. To do.
After heating to 60 ° C., cooling to a decoloration induction temperature (−10 ° C.), and leaving it to decolor, measurement samples 9 to 12 were color difference meters [TC-3600 type color difference meter, manufactured by Tokyo Denshoku Co., Ltd. ] And heated at a rate of 10 ° C./min at a temperature range of 0 ° C. to 60 ° C.
After heating to 60 ° C., the mixture was cooled to a decoloration-inducing temperature (0 ° C.) and left to decolor.
The measurement samples 13 to 14 are set at predetermined positions of a color difference meter [TC-3600 type color difference meter, manufactured by Tokyo Denshoku Co., Ltd.], and heated at a temperature range of 0 ° C. to 80 ° C. at a rate of 10 ° C./min.
After heating to 80 ° C., the mixture was cooled to a decoloration inducing temperature (10 ° C.) and left to decolor.
The following table shows the color change, color development start temperature (T 1 ), complete color development temperature (T 2 ), and decolorization induction temperature of each measurement sample.
実施例1
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料1(15.0部)を、アクリル樹脂/キシレン溶液25.0部、紫外線吸収剤3.0部、キシレン25.0部、及びメチルイソブチルケトン25.0部、イソシアネート系硬化剤7.0部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性油性スプレー塗料)を得た。
Example 1
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 1 (15.0 parts) was mixed with 25.0 parts of an acrylic resin / xylene solution, 3.0 parts of an ultraviolet absorber, 25.0 parts of xylene, And a reversible thermochromic liquid composition (reversible thermochromic oil-based spray paint) by mixing in a vehicle comprising 25.0 parts of methyl isobutyl ketone and 7.0 parts of an isocyanate curing agent.
可逆熱変色性積層体の作製
前記スプレー塗料をスプレーガン(口径0.6mm)に充填してABS樹脂製ミニチュアカー(支持体)にスプレー塗装した後、乾燥させて可逆熱変色層を設けて可逆熱変色性ミニチュアカー(可逆熱変色性積層体)を得た。
前記可逆熱変色性ミニチュアカーは、37℃以上に加温すると青色を呈する。
前記可逆熱変色性ミニチュアカーを−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記可逆熱変色性ミニチュアカーは無色になる。
再び37℃以上に加温すると青色になり、この変化は温度変化により繰り返し行うことができた。
Preparation of reversible thermochromic laminate A spray gun (caliber 0.6 mm) is filled with the spray paint and spray-coated on an ABS resin miniature car (support), then dried to provide a reversible thermochromic layer and reversible. A thermochromic miniature car (reversible thermochromic laminate) was obtained.
The reversible thermochromic miniature car exhibits a blue color when heated to 37 ° C. or higher.
The reversible thermochromic miniature car is cooled to a -10 ° C freezer for 1 hour. Thereafter, when removed from the freezer, the reversible thermochromic miniature car becomes colorless.
When it was heated again to 37 ° C. or more, it turned blue, and this change could be repeated due to temperature changes.
実施例2
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料2(15.0部)、及び、蛍光ピンク色顔料3.0部を、50%アクリル樹脂/キシレン溶液28.0部、紫外線吸収剤1.0部、キシレン25.0部、メチルイソブチルケトン21.0部、イソシアネート系硬化剤7.0部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性油性スプレー塗料)を得た。
Example 2
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 2 (15.0 parts) and 3.0 parts of a fluorescent pink pigment were mixed with 28.0 parts of a 50% acrylic resin / xylene solution and ultraviolet rays. A reversible thermochromic liquid composition (reversible thermochromic oil-based oil) mixed in a vehicle comprising 1.0 part of an absorbent, 25.0 parts of xylene, 21.0 parts of methyl isobutyl ketone, and 7.0 parts of an isocyanate curing agent. Spray paint).
可逆熱変色性積層体の作製
前記スプレー塗料をスプレーガン(口径0.6mm)に充填してアセチルセルロース樹脂製つけ爪(支持体)表面にスプレー塗装した後、乾燥して可逆熱変色層を設け、更にその上層にトップコート層を設けて可逆熱変色性つけ爪(可逆熱変色性積層体)を得た。
前記つけ爪は、42℃以上に加温すると青色とピンク色が混色となった紫色を呈する。
前記つけ爪を−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記つけ爪はピンク色になる。
再び42℃以上に加温すると紫色になり、この変化は繰り返し行うことができた。
Preparation of reversible thermochromic laminate The spray paint (filled 0.6mm) is filled in the spray paint and spray coated on the surface of the acetylcellulose resin made nail (support), then dried to provide a reversible thermochromic layer. Further, a top coat layer was provided as an upper layer to obtain a reversible thermochromic nail (reversible thermochromic laminate).
When the artificial nail is heated to 42 ° C. or higher, it has a purple color in which blue and pink are mixed.
The artificial nail is cooled to a −10 ° C. freezer for 1 hour. After that, the artificial nail becomes pink when taken out from the freezer.
When it was heated again to 42 ° C. or more, it turned purple and this change could be repeated.
実施例3
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料3(32.0部)を、エチレン酢酸ビニル共重合樹脂エマルジョン60.0部、消泡剤3.0部、増粘剤(アルギン酸ナトリウム)1.0部、レベリング剤3.0部、防腐剤1.0部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性スクリーンインキ)を得た。
Example 3
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 3 (32.0 parts) was mixed with 60.0 parts of ethylene vinyl acetate copolymer resin emulsion, 3.0 parts of antifoaming agent, thickener ( A reversible thermochromic liquid composition (reversible thermochromic screen ink) was obtained by mixing in a vehicle comprising 1.0 part of sodium alginate), 3.0 parts of leveling agent and 1.0 part of preservative.
可逆熱変色性積層体の作製
支持体として白色ポリエステルフィルム(厚み25μm)の表面に、前記スクリーンインキを用いて印刷して可逆熱変色層を設け、更にその上面を厚み16μmの透明ポリエステルフィルムでラミネート処理して、可逆熱変色性表示体(可逆熱変色性積層体)を得た。
前記表示体に41℃以上の温水を収容したスタンプ具を用いて押印して青色の印像を形成した。
前記表示体を−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記表示体は白色になる。
再び41℃以上の温水を収容したスタンプ具を用いて押印して青色の印像を形成することができ、この変化は繰り返し行うことができた。
Production of reversible thermochromic laminate A reversible thermochromic layer is provided on the surface of a white polyester film (thickness 25 μm) as a support by using the screen ink, and the upper surface is laminated with a transparent polyester film having a thickness of 16 μm. The reversible thermochromic display (reversible thermochromic laminate) was obtained by processing.
The display body was stamped with a stamping tool containing hot water of 41 ° C. or higher to form a blue printed image.
The display is cooled in a freezer at −10 ° C. for 1 hour. Thereafter, the display body turns white when taken out from the freezer.
It was possible to form a blue print image again by using a stamping tool containing warm water of 41 ° C. or higher, and this change could be repeated.
実施例4
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料4(34.0部)、及び、蛍光黄色顔料8.0部を、エチレン酢酸ビニル共重合樹脂エマルジョン50.0部、消泡剤3.0部、増粘剤(アルギン酸ナトリウム)1.0部、レベリング剤3.0部、防腐剤1.0部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性スクリーンインキ)を得た。
Example 4
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 4 (34.0 parts) and fluorescent yellow pigment 8.0 parts, ethylene vinyl acetate copolymer resin emulsion 50.0 parts, defoaming A reversible thermochromic liquid composition (reversible thermochromic composition) mixed in a vehicle comprising 3.0 parts of an agent, 1.0 part of a thickener (sodium alginate), 3.0 parts of a leveling agent and 1.0 part of a preservative. Screen ink).
可逆熱変色性積層体の作製
支持体として白色ポリエステルフィルム(厚み25μm)の表面に、前記スクリーンインキを用いて印刷して可逆熱変色層を設け、更にその上面を厚み16μmの透明ポリエステルフィルムでラミネート処理して、可逆熱変色性表示体(可逆熱変色性積層体)を得た。
前記表示体に42℃以上の温水を収容した熱ペンを用いて筆記して青色と黄色が混色となった緑色の筆記像を形成した。
前記表示体を−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記表示体は黄色になる。
再び42℃以上の温水を収容した熱ペンを用いて筆記して緑色の筆記像を形成することができ、この変化は繰り返し行うことができた。
Production of reversible thermochromic laminate A reversible thermochromic layer is provided on the surface of a white polyester film (thickness 25 μm) as a support by using the screen ink, and the upper surface is laminated with a transparent polyester film having a thickness of 16 μm. The reversible thermochromic display (reversible thermochromic laminate) was obtained by processing.
The display body was written using a thermal pen containing warm water of 42 ° C. or higher to form a green written image in which blue and yellow were mixed.
The display is cooled in a freezer at −10 ° C. for 1 hour. Thereafter, the display body turns yellow when taken out of the freezer.
It was possible to form a green writing image by writing again using a thermal pen containing hot water of 42 ° C. or higher, and this change could be repeated.
実施例5
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料5(34.0部)、及び、蛍光黄色顔料8.0部を、エチレン酢酸ビニル共重合樹脂エマルジョン50.0部、消泡剤3.0部、増粘剤(アルギン酸ナトリム)1.0部、レベリング剤3.0部、防腐剤1.0部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性スクリーンインキ)を得た。
Example 5
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 5 (34.0 parts) and fluorescent yellow pigment 8.0 parts, ethylene vinyl acetate copolymer resin emulsion 50.0 parts, defoaming Reversible thermochromic liquid composition (reversible thermochromic composition) mixed in a vehicle comprising 3.0 parts of a thickener, 1.0 part of a thickener (sodium alginate), 3.0 parts of a leveling agent and 1.0 part of a preservative. Screen ink).
可逆熱変色性積層体の作製
支持体として軟質塩化ビニル樹脂上に前記スクリーンインキを用いてバナナの絵柄の可逆熱変色層を形成した後、前記可逆熱変色層を形成したシートの全面に、一般白色印刷インキを用いてベタ印刷を施して非変色層を形成して可逆熱変色性シート(可逆熱変色性積層体)を得た。
前記可逆熱変色性シートは、42℃以上に加温すると青色と黄色が混色になった緑色のバナナの絵柄が視認される。
前記可逆熱変色性シートを−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記可逆熱変色性シートは黄色のバナナの絵柄が視認される。
再び42℃以上に加温すると緑色のバナナの絵柄が視認され、この変化は繰り返し行うことができた。
Preparation of reversible thermochromic laminate After forming a reversible thermochromic layer of a banana pattern on the soft vinyl chloride resin as a support using the screen ink, on the entire surface of the sheet on which the reversible thermochromic layer is formed, Solid printing was performed using a white printing ink to form a non-discoloring layer to obtain a reversible thermochromic sheet (reversible thermochromic laminate).
When the reversible thermochromic sheet is heated to 42 ° C. or higher, a green banana pattern in which blue and yellow are mixed is visually recognized.
The reversible thermochromic sheet is cooled to a -10 ° C freezer for 1 hour. Thereafter, when the sheet is taken out from the freezer, the reversible thermochromic sheet is visually recognized as a yellow banana pattern.
When the temperature was again raised to 42 ° C. or higher, a green banana pattern was visually recognized, and this change could be repeated.
実施例6
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料6(25部)、硬質液状エポキシ樹脂40.5部、紫外線吸収剤2.0部、揺変性付与剤2.0部、消泡剤0.5部を混合し、更に常温硬化型の脂肪族ポリアミン30部を添加して可逆熱変色性液状組成物(可逆熱変色性エポキシインキ)を得た。
Example 6
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 6 (25 parts), hard liquid epoxy resin 40.5 parts, UV absorber 2.0 parts, thixotropic agent 2.0 parts, 0.5 parts of a foaming agent was mixed, and 30 parts of a room temperature curing type aliphatic polyamine was further added to obtain a reversible thermochromic liquid composition (reversible thermochromic epoxy ink).
可逆熱変色性積層体の作製
前記エポキシインキを用いて、陶器製マグカップ(支持体)の側面に曲面印刷機を用いてステンレススクリーン版にて星柄の印刷を施し、加熱硬化させて可逆熱変色層を設け、可逆熱変色性マグカップ(可逆熱変色性積層体)を得た。
前記マグカップに43℃以上の温水を注ぐと青色の星柄が視認される。
前記マグカップの温水を取り除いて−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記マグカップは白色になる。
再び43℃以上の温水を注ぐと青色の星柄が視認され、この変化は温度変化により繰り返し行うことができた。
Production of reversible thermochromic laminate Using the epoxy ink, the side of a ceramic mug (support) is printed with a star pattern on a stainless steel screen plate using a curved surface printing machine, and heat cured to reversible thermochromic. A layer was provided to obtain a reversible thermochromic mug (reversible thermochromic laminate).
When hot water of 43 ° C. or higher is poured into the mug, a blue star pattern is visually recognized.
Remove the mug warm water and cool to -10 ° C freezer for 1 hour. The mug then turns white when removed from the freezer.
When hot water of 43 ° C. or higher was poured again, a blue star pattern was visually recognized, and this change could be repeated due to temperature changes.
実施例7
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料7(25.0部)を、軟質エポキシ樹脂30.0部、低粘度エポキシ樹脂12.0部、紫外線吸収剤4.0部、揺変性付与剤2.0部、消泡剤0.3部からなるビヒクル中に混合した後、常温硬化型の脂肪族ポリアミン26.7部を添加し、混合して可逆熱変色性液状組成物(可逆熱変色性軟質エポキシインキ)を得た。
Example 7
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 7 (25.0 parts) was mixed with 30.0 parts of a soft epoxy resin, 12.0 parts of a low viscosity epoxy resin, and 4.0 parts of an ultraviolet absorber. , 26.7 parts of thixotropic agent and 0.3 part of antifoaming agent, and then mixed with 26.7 parts of room temperature curing type aliphatic polyamine and mixed to form a reversible thermochromic liquid composition. A product (reversible thermochromic soft epoxy ink) was obtained.
可逆熱変色性積層体の作製
前記エポキシインキを白色アイスクリーム成形物(支持体)の全体に刷毛を用いて塗装し、加温硬化させて、可逆熱変色層を設けて可逆熱変色性アイスクリーム塗装物(可逆熱変色性積層体)を得た。
前記塗装物は、42℃以上に加温すると青色になる。
前記塗装物を−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記塗装物は白色になる。
再び42℃以上に加温すると青色になり、この変化は温度変化により繰り返し行うことができた。
Preparation of reversible thermochromic laminate The epoxy ink is applied to the entire white ice cream molding (support) with a brush, heated and cured, and provided with a reversible thermochromic layer to provide a reversible thermochromic ice cream. A coated product (reversible thermochromic laminate) was obtained.
The coated material turns blue when heated to 42 ° C. or higher.
The coated product is cooled to a −10 ° C. freezer for 1 hour. After that, when taken out from the freezer, the paint becomes white.
When it was heated again to 42 ° C. or higher, it turned blue, and this change could be repeated due to temperature changes.
実施例8
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料8(20.0部)、ピンク色顔料5部、ヒドロキシエチルセルロース0.5部、櫛型高分子分散剤〔日本ルーブリゾール(株)製、商品名:ソルスパース43000〕0.2部、有機窒素硫黄化合物〔北興化学工業(株)製、商品名:ホクサイドR−150、2−メチル−4−イソチアゾリン−3−オンと5−クロロ−2−メチル−4−イソチアゾリン−3−オンの混合物〕1.0部、ポリビニルアルコール0.5部、グリセリン25.0部、消泡剤0.02部、水47.78部を混合して可逆熱変色性液状組成物(可逆熱変色性筆記具用インキ)を得た。
Example 8
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 8 (20.0 parts), pink pigment 5 parts, hydroxyethyl cellulose 0.5 part, comb polymer dispersant [Nippon Lubrizol Corporation ), Trade name: Solsperse 43000], 0.2 parts, organic nitrogen sulfur compound [made by Hokuko Chemical Co., Ltd., trade name: Hokuside R-150, 2-methyl-4-isothiazolin-3-one and 5-chloro 2-methyl-4-isothiazolin-3-one mixture] 1.0 parts, polyvinyl alcohol 0.5 parts, glycerin 25.0 parts, antifoaming agent 0.02 parts, water 47.78 parts were mixed. A reversible thermochromic liquid composition (reversible thermochromic ink for writing instruments) was obtained.
可逆熱変色性積層体の作製
ポリエステルスライバーを合成樹脂フィルムで被覆したインキ吸蔵体内に前記インキを含浸させ、ポリプロピレン樹脂からなる軸筒内に収容し、ホルダーを介して軸筒先端部にポリエステル繊維の樹脂加工マーキングペンチップ(チゼル型)を接続状態に組み立て、キャップを装着して筆記具(マーキングペン)を得た。
前記軸筒後端部には摩擦部材としてSEBS樹脂を装着してなる。
前記マーキングペンを用いて紙面(支持体)に筆記してピンク色の文字(可逆熱変色層)を形成して可逆熱変色性積層体を得た。
前記紙面の筆跡上から摩擦部材を用いて擦過することにより42℃以上に加温すると、該文字はピンク色と青色が混色となるため、紫色になった。
前記紙面を−10℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと筆跡はピンク色になる。
再び筆跡上から摩擦部材を用いて擦過すると、該文字は紫色になり、この変化は温度変化により繰り返し行うことができた。
Preparation of a reversible thermochromic laminate A polyester sliver covered with a synthetic resin film is impregnated with the ink, accommodated in a shaft tube made of polypropylene resin, and a polyester fiber is placed on the tip of the shaft tube through a holder. A resin-processed marking pen tip (chisel type) was assembled in a connected state, and a cap was attached to obtain a writing instrument (marking pen).
A SEBS resin is mounted as a friction member on the rear end of the shaft tube.
The marking pen was used to write on the paper surface (support) to form pink characters (reversible thermochromic layer) to obtain a reversible thermochromic laminate.
When the temperature was increased to 42 ° C. or higher by rubbing from the handwriting on the paper surface with a friction member, the letters became purple because pink and blue were mixed.
The paper surface is cooled to a -10 ° C freezer for 1 hour. After that, the handwriting turns pink when removed from the freezer.
When rubbing again with a friction member from the handwriting, the letters turned purple, and this change could be repeated due to temperature changes.
実施例9
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料9(30.0部)を、炭酸カルシウム5.0部、アラビアガム14.0部、グリセリン10.0部、粘性調整剤5.0部、防腐剤1.0部、水35.0部からなるビヒクル中に混合して、可逆熱変色性液状組成物(可逆熱変色性水性絵具)を得た。
Example 9
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 9 (30.0 parts) was mixed with 5.0 parts of calcium carbonate, 14.0 parts of gum arabic, 10.0 parts of glycerin, viscosity modifier 5 A reversible thermochromic liquid composition (reversible thermochromic aqueous paint) was obtained by mixing in a vehicle comprising 0.0 part, 1.0 part of preservative, and 35.0 parts of water.
可逆熱変色性積層体の作製
前記絵具を水で2倍に希釈し、筆穂に含ませて画用紙(支持体)に絵(可逆熱変色層)を描いて可逆熱変色性積層体を得た。
前記絵は48℃以上に加温すると青色を呈して視認されるようになる。
前記絵を0℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと絵は視認されなくなる。
再び48℃以上に加温すると視認されるようになり、前記変化は温度変化により繰り返し行うことができた。
Production of reversible thermochromic laminate The paint was diluted twice with water and included in a brush ear to draw a picture (reversible thermochromic layer) on a drawing paper (support) to obtain a reversible thermochromic laminate. .
When the picture is heated to 48 ° C. or higher, it becomes visible in blue.
Cool the picture in a freezer at 0 ° C. for 1 hour. If you remove it from the freezer, the picture will not be visible.
When the temperature was again heated to 48 ° C. or higher, it was visually recognized, and the change could be repeatedly performed due to the temperature change.
実施例10
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料10(20.0部)を、アクリル酸エステル樹脂マルジョン78.5部、水分散型紫外線吸収剤1.5部からなるビヒクル中に混合して可逆熱変色性液状組成物(可逆熱変色性水性コーティグ溶液)を得た。
Example 10
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 10 (20.0 parts) was added to a vehicle comprising 78.5 parts of an acrylate resin marble and 1.5 parts of a water-dispersed UV absorber. To obtain a reversible thermochromic liquid composition (reversible thermochromic aqueous coating solution).
可逆熱変色性積層体の作製
前記コーティグ溶液中に、70mmの長さにカットした7デニールのポリアクリロニトリル原綿(支持体)100.0部を浸漬させた後、遠心分離により余分なコーティング溶液を除去して乾燥させて可逆熱変色層を設けて可逆熱変色性原綿(可逆熱変色性積層体)を得た。
前記可逆熱変色性原綿をカードにかけてスライバーにした後、ハイパイル編み機で製編しシャーリング加工してパイル長20mmの可逆熱変色性ハイパイル生地を得た。
前記ハイパイル生地を用いて、くまの縫いぐるみを縫製した。
前記くまの縫いぐるみは、47℃以上に加温すると黒色になる。
前記絵を0℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと白色になる。
再び47℃以上に加温すると黒色になり、この変化は温度変化により繰り返し行うことができた。
Preparation of reversible thermochromic laminate A 100.0 part of 7 denier polyacrylonitrile raw cotton (support) cut to a length of 70 mm was immersed in the coating solution, and then the excess coating solution was removed by centrifugation. And dried to provide a reversible thermochromic layer to obtain a reversible thermochromic raw cotton (reversible thermochromic laminate).
The reversible thermochromic raw cotton was carded into a sliver, then knitted with a high pile knitting machine and sheared to obtain a reversible thermochromic high pile fabric having a pile length of 20 mm.
A bear stuffed animal was sewed using the high pile fabric.
The bear stuffed toy turns black when heated to 47 ° C. or higher.
Cool the picture in a freezer at 0 ° C. for 1 hour. When it is then removed from the freezer, it turns white.
When heated again to 47 ° C. or higher, the color turned black, and this change could be repeated due to temperature changes.
実施例11
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料11(20.0部)を、50%アクリル樹脂/キシレン溶液43.0部、紫外線吸収剤1.0部、キシレン30.0部、メチルイソブチルケトン30.0部、イソシアネート系硬化剤10.0部からなるビヒクル中に均一に混合して可逆熱変色性液状組成物(可逆熱変色性つけ爪用油性スプレーインキ)を得た。
Example 11
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 11 (20.0 parts) was mixed with 43.0 parts of a 50% acrylic resin / xylene solution, 1.0 part of an ultraviolet absorber, and 30.0 xylene. A reversible thermochromic liquid composition (reversible thermochromic oil-based nail spray ink) was obtained by uniformly mixing in a vehicle comprising 3 parts of methyl isobutyl ketone and 10.0 parts of an isocyanate curing agent. .
可逆熱変色性積層体の作製
前記つけ爪用油性スプレーインキをアセチルセルロース樹脂製のつけ爪(支持体)の表面にスプレーガン(口径0.6mm)を用いてスプレー塗装を施し、乾燥して可逆熱変色層を設け、更にその上層にトップコート層を設けて可逆熱変色性つけ爪(可逆熱変色性積層体)を得た。
前記つけ爪は、46℃以上に加温するとピンク色を呈する。
前記つけ爪を0℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと前記つけ爪は無色になる。
再び46℃以上に加温するとピンク色になり、この変化は繰り返し行うことができた。
Preparation of reversible thermochromic laminate The above-mentioned oil-based spray ink for false nails is spray-coated on the surface of an artificial nail (support) made of acetylcellulose resin using a spray gun (0.6 mm in diameter), dried and reversibly formed. A thermochromic layer was provided, and a topcoat layer was further provided thereon to obtain a reversible thermochromic nail (reversible thermochromic laminate).
The artificial nail exhibits a pink color when heated to 46 ° C. or higher.
The artificial nail is cooled in a freezer at 0 ° C. for 1 hour. After that, the artificial nail becomes colorless when removed from the freezer.
When heated again to 46 ° C. or higher, it turned pink and this change could be repeated.
実施例12
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料12(30.0部)及びピンク色顔料3部を、炭酸カルシウム5.0部、アラビアガム14.0部、グリセリン10.0部、粘性調整剤5.0部、防腐剤1.0部、水32.0部からなるビヒクル中に混合して、可逆熱変色性液状組成物(可逆熱変色性水性絵具)を得た。
Example 12
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 12 (30.0 parts) and 3 parts of pink pigment were mixed with 5.0 parts of calcium carbonate, 14.0 parts of gum arabic, 10.0 parts of glycerin. Part, 5.0 parts of viscosity modifier, 1.0 part of preservative, and 32.0 parts of water to obtain a reversible thermochromic liquid composition (reversible thermochromic aqueous paint).
可逆熱変色性積層体の作製
前記絵具を水で2倍に希釈し、筆穂に含ませて画用紙(支持体)に絵(可逆熱変色層)を描いて可逆熱変色性積層体を得た。
前記絵は45℃以上に加温すると黒色の絵が視認されるようになる。
前記絵を0℃の冷凍庫に1時間冷却する。その後冷凍庫から取り出すと絵はピンク色を呈する。
再び45℃以上に加温すると黒色になり、前記変化は温度変化により繰り返し行うことができた。
Production of reversible thermochromic laminate The paint was diluted twice with water and included in a brush ear to draw a picture (reversible thermochromic layer) on a drawing paper (support) to obtain a reversible thermochromic laminate. .
When the picture is heated to 45 ° C. or higher, a black picture is visually recognized.
Cool the picture in a freezer at 0 ° C. for 1 hour. When removed from the freezer, the picture becomes pink.
When the temperature was again raised to 45 ° C. or more, the color became black, and the above change could be repeated due to temperature change.
実施例13
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料13(16.5部)、キサンタンガム0.3部、尿素10.0部、グリセリン10.0部、ノニオン系浸透剤性付与剤0.6部、変性シリコーン系消泡剤0.1部、防腐剤0.2部、水62.3部からなる可逆熱変色性液状組成物(可逆熱変色性インキ)を調製した。
前記インキを先端にボールペンチップを固着したポリプロピレン製軸筒に充填し、次いで、ポリブテンを主成分とする粘弾性を有するインキ逆流防止体を充填し、SEBS樹脂からなる摩擦部材を軸筒後部に嵌合させた。
更に、キャップを嵌めた後、遠心処理により脱気処理を行なって筆記具(ボールペン)を得た。
なお、前記ボールペンチップは、金属材料をドリルによる切削加工により形成したボール抱持部に直径0.7mmの超硬合金製ボールを抱持させてなり、且つ、前記ボールはバネ体により前方に付勢させたものである。
Example 13
Preparation of reversible thermochromic liquid composition Reversible thermochromic microcapsule pigment 13 (16.5 parts), xanthan gum 0.3 parts, urea 10.0 parts, glycerol 10.0 parts, nonionic penetrant imparting agent A reversible thermochromic liquid composition (reversible thermochromic ink) comprising 0.6 parts, modified silicone antifoaming agent 0.1 parts, preservative 0.2 parts, and water 62.3 parts was prepared.
Fill the polypropylene shaft cylinder with a ballpoint pen tip fixed to the tip, then fill with a viscoelastic ink backflow prevention body mainly composed of polybutene, and fit the friction member made of SEBS resin to the rear part of the shaft cylinder. Combined.
Further, after the cap was fitted, a deaeration process was performed by a centrifugal process to obtain a writing instrument (ball pen).
The ball-point pen tip has a ball holding portion formed by cutting a metal material with a drill and holds a cemented carbide ball having a diameter of 0.7 mm, and the ball is attached to the front by a spring body. It is the one that made it.
可逆熱変色性積層体の作製
前記ボールペンを用いて紙面(支持体)に筆記して可逆熱変色層を形成して可逆熱変色性積層体を得た。
前記紙面の筆跡上から摩擦部材を用いて擦過することにより56℃以上に加温すると、該文字は青色になった。
前記紙面を10℃の冷蔵庫に1時間冷却する。その後冷蔵庫から取り出すと筆跡は無色になる。
再び筆跡上から摩擦部材を用いて擦過すると、該文字は青色になり、この変化は温度変化により繰り返し行うことができた。
Preparation of reversible thermochromic laminate A reversible thermochromic laminate was obtained by writing on the paper (support) using the ballpoint pen to form a reversible thermochromic layer.
When the temperature was increased to 56 ° C. or higher by rubbing from the handwriting on the paper surface with a friction member, the letters turned blue.
The paper surface is cooled in a refrigerator at 10 ° C. for 1 hour. After that, when removed from the refrigerator, the handwriting becomes colorless.
When rubbing again with a friction member from the handwriting, the letters turned blue, and this change could be repeated due to temperature changes.
実施例14
可逆熱変色性液状組成物の調製
前記可逆熱変色性マイクロカプセル顔料14(30.0部)、ピンク色顔料4部、硬質液状エポキシ樹脂56部、紫外線吸収剤2部、揺変性付与剤2部、消泡剤0.5部を混合し、更に常温硬化型の脂肪族ポリアミン40部を添加して可逆熱変色性エポキシインキを得た。
Example 14
Preparation of reversible thermochromic liquid composition The reversible thermochromic microcapsule pigment 14 (30.0 parts), pink pigment 4 parts, hard liquid epoxy resin 56 parts, UV absorber 2 parts, thixotropic agent 2 parts Then, 0.5 part of antifoaming agent was mixed, and 40 parts of room temperature curing type aliphatic polyamine was further added to obtain a reversibly thermochromic epoxy ink.
可逆熱変色性積層体の作製
前記可逆熱変色性エポキシインキを用いて、陶器製マグカップ(支持体)の側面に曲面印刷機を用いてステンレススクリーン版にてハート柄の印刷を施し、70℃で1時間加熱硬化させて可逆熱変色層を設け、可逆熱変色性マグカップを得た。
前記マグカップに70℃以上の温水を注ぐと青色とピンク色が混色となった紫色のハート柄が視認される。
前記マグカップの温水を取り除いて10℃の冷蔵庫に1時間冷却する。その後冷蔵庫から取り出すと前記マグカップのハート柄はピンク色になる。
再び70℃以上の温水を注ぐと紫色のハート柄が視認され、この変化は温度変化により繰り返し行うことができた。
Fabrication of reversible thermochromic laminate Using the reversible thermochromic epoxy ink, a heart pattern was printed on the side of a ceramic mug (support) with a stainless steel screen using a curved surface printing machine at 70 ° C. A reversible thermochromic layer was provided by heat curing for 1 hour to obtain a reversible thermochromic mug.
When hot water of 70 ° C. or higher is poured into the mug, a purple heart pattern in which blue and pink are mixed is visually recognized.
Remove the hot water from the mug and cool in a refrigerator at 10 ° C. for 1 hour. When removed from the refrigerator, the mug heart pattern turns pink.
When hot water of 70 ° C. or higher was poured again, a purple heart pattern was visually recognized, and this change could be repeated due to temperature changes.
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JP2017106005A (en) * | 2015-12-04 | 2017-06-15 | パイロットインキ株式会社 | Reversible thermochromic microcapsule pigment |
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