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    • 1. 发明授权
    • Toner binder and toner composition
    • 调色剂粘合剂和调色剂组成
    • US09052623B2
    • 2015-06-09
    • US13878219
    • 2011-10-06
    • Takashi AkutagawaMasakazu IwataMasaru HondaTomoyuki Ariyoshi
    • Takashi AkutagawaMasakazu IwataMasaru HondaTomoyuki Ariyoshi
    • G03G9/087
    • G03G9/08755G03G9/0806G03G9/08764G03G9/08788G03G9/08795G03G9/08797
    • Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C. [G′(150)] of 2000 Pa or more, and the [G′(150)] and [G′(180)] (storage modulus at 180° C.) of the resin (A) satisfy a specific relationship.
    • 提供了一种调色剂粘合剂,其结合了优异的低温定影性能和优异的耐热粘合性(即允许宽的定影温度范围),并且表现出优异的储存稳定性。 调色剂粘合剂包含(A)聚酯树脂,(B)特定结晶树脂,如果需要,(C)非结晶线性聚酯树脂。 聚酯树脂(A)含有羧酸成分(x)和多元醇成分(y)作为基本构成单元,所述成分(x)含有选自芳香族二羧酸和芳香族二羧酸中的2种以上的二羧酸(x1) 其成酯衍生物的总量为80摩尔%以上,并且还含有至少三价多元羧酸(x2)作为另外的主要成分,所述成分(y)包含C 2-10脂族二醇(y1) 量为50摩尔%以上。 此外,聚酯树脂(A)在150℃下具有储能模量[G'(150)]为2000Pa以上,[G'(150)]和[G'(180)](储能模量 树脂(A)在180℃下)满足特定的关系。
    • 2. 发明申请
    • TONER BINDER AND TONER COMPOSITION
    • 调色剂和调色剂组合物
    • US20130273469A1
    • 2013-10-17
    • US13878219
    • 2011-10-06
    • Takashi AkutagawaMasakazu IwataMasaru HondaTomoyuki Ariyoshi
    • Takashi AkutagawaMasakazu IwataMasaru HondaTomoyuki Ariyoshi
    • G03G9/087
    • G03G9/08755G03G9/0806G03G9/08764G03G9/08788G03G9/08795G03G9/08797
    • Provided is a toner binder which combines excellent low-temperature fixing properties and excellent hot-offset resistance (namely which permits a wide fixing-temperature range) and which exhibits excellent storage stability. The toner binder comprises (A) a polyester resin, (B) a specific crystalline resin and, if necessary, (C) a non-crystalline linear polyester resin. The polyester resin (A) comprises a carboxylic acid component (x) and a polyol component (y) as the essential constituent units, said component (x) comprising two or more kinds of dicarboxylic acids (x1) selected from among aromatic dicarboxylic acids and ester-forming derivatives thereof in a total amount of 80 mol % or more and further containing an at least trivalent polycarboxylic acid (x2) as another essential component, and said component (y) comprising a C2-10 aliphatic diol (y1) in an amount of 50 mol % or more. Further, the polyester resin (A) exhibits a storage modulus at 150° C. [G′(150)] of 2000 Pa or more, and the [G′(150)] and [G′(180)] (storage modulus at 180° C.) of the resin (A) satisfy a specific relationship.
    • 提供了一种调色剂粘合剂,其结合了优异的低温定影性能和优异的耐热粘合性(即允许宽的定影温度范围),并且表现出优异的储存稳定性。 调色剂粘合剂包含(A)聚酯树脂,(B)特定结晶树脂,如果需要,(C)非结晶线性聚酯树脂。 聚酯树脂(A)含有羧酸成分(x)和多元醇成分(y)作为基本构成单元,所述成分(x)含有选自芳香族二羧酸和芳香族二羧酸中的2种以上的二羧酸(x1) 其成酯衍生物的总量为80摩尔%以上,并且还含有至少三价多元羧酸(x2)作为另外的主要成分,所述成分(y)包含C 2-10脂族二醇(y1) 量为50摩尔%以上。 此外,聚酯树脂(A)在150℃下具有储能模量[G'(150)]为2000Pa以上,[G'(150)]和[G'(180)](储能模量 树脂(A)在180℃下)满足特定的关系。