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    • 61. 发明授权
    • Reversible thermosensitive coloring composition and reversible
thermosensitive recording medium using the same
    • 可逆热敏着色组合物和使用其的可逆热敏记录介质
    • US6001159A
    • 1999-12-14
    • US114527
    • 1998-07-13
    • Hiromi FuruyaMasafumi ToriiKyoji TsutsuiMasaru Shimada
    • Hiromi FuruyaMasafumi ToriiKyoji TsutsuiMasaru Shimada
    • B41M5/30B41M5/333C09D11/00
    • B41M5/305B41M5/3335B41M5/3336
    • A reversible thermosensitive coloring composition contains an electron-donating coloring compound and an electron-accepting compound, and is capable of reversibly assuming a color-developed state or a decolorized state depending upon the the temperature of the reversible thermosensitive coloring composition when heated, and/or the cooling rate of the reversible thermosensitive coloring composition when cooled after the heating thereof, with the electron-accepting compound being a compound of formula (I):A--R--X (I)wherein A represents a color-developing moiety; R represents an aliphatic hydrocarbon group comprising as the main chain thereof a straight chain hydrocarbon group having 8 or more carbon atoms, and may comprise a bivalent hetero-atom containing group and/or a bivalent aromatic group; and X represents a hetero-atom containing associative group. There is also provided a reversible thermosensitive recording medium comprising a support, and a thermosensitive recording layer formed thereon comprising the aforementioned reversible thermosensitive coloring composition.
    • 可逆热敏着色组合物含有给电子着色化合物和电子接受性化合物,并且能够根据可逆热敏着色组合物的加热温度和/或可逆热敏着色组合物的温度,可逆地假设显色状态或脱色状态,和/ 或可逆热敏着色组合物在加热之后冷却时的冷却速率,其中电子接受性化合物为式(I)化合物:ARX(I)其中A表示显色部分; R表示含有8个以上碳原子的直链烃基作为主链的脂肪族烃基,可以含有2价含杂原子的基团和/或2价芳香族基团。 X表示含杂原子的缔合基团。 还提供了一种可逆热敏记录介质,其包括载体和形成在其上的热敏记录层,其包含上述可逆热敏着色组合物。
    • 70. 发明授权
    • Aqueous ink composition
    • 水性油墨组合物
    • US4620875A
    • 1986-11-04
    • US719451
    • 1985-04-03
    • Masaru ShimadaMasaomi Sasaki
    • Masaru ShimadaMasaomi Sasaki
    • C09B35/56C09D11/00C09D11/02
    • C09D11/328C09B35/56
    • An aqueous ink composition is disclosed, which comprises at least: (1) 0.5 to 30 parts by weight of a dye having the formula of ##STR1## wherein R.sup.1 and R.sup.2 each represent hydrogen, an alkyl group, a phenyl group, an acyl group an acetyl group or a phenylsulfonyl group, R.sup.3 and R.sup.4 each represent hydrogen, an alkyl group, an alkoxy group, halogen, a sulfonic acid group, X represents hydrogen, Na, K, Li or an organic amine cation, m is an integer of 0 or 1; and when m is an integer of 0, n is an integer of 1, and Ar.sup.1 and Ar.sup.2 each represent a substituted phenyl group, a substituted naphthyl group or (R.sup.6 represents an alkyl group, a phenyl group, a substituted phenyl group, a cyano group, an alkoxy group, a carboxyl group or a carbamoyl group, and R.sup.7 represents a substituted phenyl group or a substituted naphthyl group) and when m is an integer of 1, n is an integer of 1 or 2 and Ar.sup.1 and Ar.sup.2 each represent an unsubstituted or substituted phenyl group or naphthyl group; (2) 5 to 30 parts by weight of a humectant; and (3) water.
    • 公开了一种水性油墨组合物,其至少包括:(1)0.5至30重量份具有下式的染料:其中R 1和R 2各自表示氢, 烷基,苯基,酰基,乙酰基或苯基磺酰基,R 3和R 4各自表示氢,烷基,烷氧基,卤素,磺酸基,X表示氢,Na,K,Li 或有机胺阳离子,m为0或1的整数; 当m为0的整数时,n为1的整数,Ar 1和Ar 2分别表示取代的苯基,取代的萘基或(R 6表示烷基,苯基,取代的苯基,氰基 基团,烷氧基,羧基或氨基甲酰基,R 7表示取代的苯基或取代的萘基),当m为1的整数时,n为1或2的整数,Ar 1和Ar 2分别表示 未取代或取代的苯基或萘基; (2)5〜30重量份湿润剂; 和(3)水。