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    • 1. 发明授权
    • Electrophotographic toner composition excellent in fixing property at
low temperature
    • 低温定影性优异的电子照相调色剂组合物
    • US4814249A
    • 1989-03-21
    • US030350
    • 1987-03-26
    • Osamu OsetoNobuo Yamada
    • Osamu OsetoNobuo Yamada
    • G03G9/087G03G9/08
    • G03G9/08755
    • An electrophotographic toner composition having excellent fixing property at a low temperature, offset resistance, blocking resistance and the like comprising a resin binder and a colorant dispersed in the resin binder wherein the resin binder contains a non-linear polyester resin comprising (a) a dicarboxylic acid as an acid component, (b) a rosin glycidyl ester, an esterificated diphenol and a dihydric alcohol having no phenyl ring as an alcohol component, and (c) a polycarboxylic acid having a valency of not less than 3 and/or a polyhydric alcohol having a valency of not less than 3 as a crosslinking component; the content of the rosin glycidyl ester is 5 to 50% by mole based on the component (b), the content of the etherificated diphenol is 20 to 95% by mole based on the component (b) and the component of the dihydric alcohol having no phenyl ring is 0 to 30% by mole based on the component (b); and the content of the component (c) is 0.5 to 20% by weight based on the polyester resin. A polyvalent metal compound may be used in the above polyester resin in order to improve electric properties in high moisture.
    • 包含分散在树脂粘合剂中的树脂粘合剂和着色剂的低温下的定影性,耐偏移性,耐粘连性等的电子照相调色剂组合物,其中树脂粘合剂含有非线性聚酯树脂,其包含(a)二羧酸 酸作为酸成分,(b)松香缩水甘油酯,酯化二酚和不含苯环作为醇成分的二元醇,和(c)不少于3价的多元羧酸和/或多元醇 具有不低于3的化合价的醇作为交联组分; 松香缩水甘油酯的含量相对于成分(b)为5〜50摩尔%,醚化的二酚的含量相对于成分(b)为20〜95摩尔%,二元醇的成分为 基于组分(b),苯基环不为0至30摩尔% 组分(c)的含量相对于聚酯树脂为0.5〜20重量%。 在上述聚酯树脂中可以使用多价金属化合物,以改善高水分的电性能。
    • 3. 发明授权
    • Low temperature electrophotographic toner composition comprising
nonlinear polyester resin
    • 包含非线性聚酯树脂的低温电子照相调色剂组合物
    • US4863825A
    • 1989-09-05
    • US117879
    • 1987-11-09
    • Nobuyuki YoshimotoHirobumi IemuraOsamu OsetoNobuo Yamada
    • Nobuyuki YoshimotoHirobumi IemuraOsamu OsetoNobuo Yamada
    • C08G63/668G03G9/087
    • C08G63/668G03G9/08755G03G9/08793Y10S430/105
    • A toner composition for electrophotography excellent in fixing property at a low temperature, offset resistance and blocking resistance comprising a resin binder and a colorant which is dispersed in the resin binder, the resin binder being a nonlinear polyester resin prepared by the reaction of:(a) an acid component comprising at least one long chain dicarboxylic acid selected from the group consisting of a linear aliphatic dicarboxylic acid having 16 to 34 carbon atoms, a dimer acid and a dibasic acid having 21 carbon atoms, an aromatic dicarboxylic acid, and optionally a monocarboxylic acid,(b) an alcohol component comprising an etherificated diphenol and optionally a glycidyl ester of rosin and(c) a crosslinking component comprising a polycarboxylic acid having valency of not less than 3 and/or a polyhydric alcohol having a valency of not less than 3, wherein in case that the long chain dicarboxylic acid and the aliphatic dicarboxylic acid are employed, the contents of the long chain dicarboxylic acid and the aromatic dicarboxylic acid are 2 to 25% by mole and 75 to 98% by mole, respectively and in case that the long chain dicarboxylic acid, the aliphatic dicarboxylic acid and the monocarboxylic acid are employed, the contents of the long chain dicarboxylic acid, the aliphatic dicarboxylic acid and the monocarboxylic acid are 2 to 25% by mole, 10 to 93% by mole and 5 to 65% by mole, respectively, based upon the total amount of the (a) acid component, the content of the (c) crosslinking component is 0.5 to 20% by weight of the polyester resin, and an organic polyvalent metal compound is contained in an amount of 0 to 40% by weight based upon the polyester resin.
    • 一种用于电子照相的调色剂组合物,其在低温下的定影性优异,抗偏移性和抗粘连性包括分散在树脂粘合剂中的树脂粘合剂和着色剂,该树脂粘合剂是通过以下反应制备的非线性聚酯树脂:(a )含有至少一种选自具有16至34个碳原子的直链脂族二羧酸,二聚酸和具有21个碳原子的二元酸的长链二羧酸的酸组分,芳族二羧酸和任选的 一元羧酸,(b)包含醚化二酚和任选的松香缩水甘油酯的醇组分,和(c)含有不少于3的化合物的多元羧酸和/或价态不低于的多元醇的交联组分 其中在使用长链二羧酸和脂族二羧酸的情况下,长c的含量 二元羧酸和芳香族二羧酸分别为2〜25摩尔%,75〜98摩尔%,长链二羧酸,脂肪族二羧酸,单羧酸的情况下, 链二羧酸,脂肪族二羧酸和一元羧酸分别为(a)酸成分的总量的2〜25摩尔%,10〜93摩尔%,5〜65摩尔%, (c)交联成分的含量为聚酯树脂的0.5〜20重量%,相对于聚酯树脂,含有0〜40重量%的有机多价金属化合物。
    • 4. 发明授权
    • Electrophotographic toner composition
    • 电子照相色调剂组成
    • US4508806A
    • 1985-04-02
    • US514049
    • 1983-07-15
    • Osamu OsetoFumio Moriuchi
    • Osamu OsetoFumio Moriuchi
    • G03G9/087G03G9/08
    • G03G9/08775G03G9/08793Y10S430/105
    • An electrophotographic toner composition having excellent blocking resistance and offset resistance which contains as a resin binder a polymeric rosin compound having a glass transition temperature of 30.degree. and 100.degree. C. and a gel fraction of 1 to 99% to xylene prepared by the reaction of (a) a glycidyl ester of rosin, (b) a dicarboxylic acid or its anhydride, and (c) a crosslinking agent selected from the group consisting of a polyfunctional epoxy compound, a polycarboxylic acid having a valency of not less than 3 or its anhydride, and a polyhydric alcohol having a valency of not less than 3. A dihydric alcohol may be used in the above reaction in order to improve the low temperature fixing property of the toner.
    • 作为树脂粘合剂含有玻璃化转变温度为30℃和100℃的聚合松香化合物和1至99%的通过反应制备的二甲苯的聚合物松香化合物的电子照相调色剂组合物, (a)松香的缩水甘油酯,(b)二羧酸或其酸酐,和(c)交联剂,其选自多官能环氧化合物,化合价不低于3的多元羧酸或其 酸酐和化合价不低于3的多元醇。为了提高调色剂的低温定影性,可以在上述反应中使用二元醇。
    • 6. 发明授权
    • Electrophotographic toner composition
    • 电子照相色调剂组成
    • US4507376A
    • 1985-03-26
    • US514020
    • 1983-07-15
    • Muneharu MakitaOsamu OsetoToshiaki Munemitsu
    • Muneharu MakitaOsamu OsetoToshiaki Munemitsu
    • G03G9/087G03G9/08
    • G03G9/08793G03G9/08775Y10S430/105
    • An electrophotographic toner composition having excellent blocking resistance and offset resistance which contains as a resin binder a polymeric rosin compound having a softening point of 50.degree. to 190.degree. C., a glass transition temperature of 10.degree. to 170.degree. C. and a molecular weight of 2,000 to 40,000 prepared by the reaction of (a) a glycidyl ester of rosin, (b) a dicarboxylic acid or its anhydride, and (c) a crosslinking agent selected from the group consisting of a polyfunctional epoxy compound, a polycarboxylic acid having a valency of not less than 3 or its anhydride, and a polyhydric alcohol having a valency of not less than 3. A dihydric alcohol may be used in the above reaction in order to improve the low temperature fixing property of the toner.
    • 一种电子照相调色剂组合物,其具有优异的抗粘连性和抗粘着性,其中含有作为树脂粘合剂的软化点为50至190℃,玻璃化转变温度为10至170℃的聚合松香化合物和分子量 通过(a)松香的缩水甘油酯,(b)二羧酸或其酸酐的反应制备的2,000至40,000,和(c)选自多官能环氧化合物,多官能环氧化合物,具有 不低于3的化合价或其酸酐,以及价数不低于3的多元醇。为了提高调色剂的低温定影性,可以在上述反应中使用二元醇。