TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT

PROBLEM TO BE SOLVED: To provide a toner for electrostatic latent image development that exhibits low-temperature fixability and folding fixability even when used in a high-speed image forming apparatus.SOLUTION: A toner for electrostatic latent image development of the present invention is a toner...

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Bibliographische Detailangaben
Hauptverfasser: MATSUZAKI MAYUKO, UCHINO YASUKO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a toner for electrostatic latent image development that exhibits low-temperature fixability and folding fixability even when used in a high-speed image forming apparatus.SOLUTION: A toner for electrostatic latent image development of the present invention is a toner for electrostatic latent image development containing a crystalline polyester resin and an amorphous polyester resin, and the crystalline polyester resin exists in the toner as a domain. When the toner is measured by a total reflection method by using a Fourier transformation infrared spectroscopic analysis measuring device, a value of a ratio of the peak height of 827 cm(P827) to the peak height of 1170 cm(P1170) (P827/P1170) is less than 1.0.SELECTED DRAWING: Figure 1 【課題】本発明の課題は、高速化した際にも低温定着性及び折り定着性に優れた静電潜像現像用トナーを提供することである。【解決手段】本発明の静電潜像現像用トナーは、結晶性ポリエステル樹脂と非晶性ポリエステル樹脂を含有する静電潜像現像用トナーであって、前記結晶性ポリエステル樹脂が、前記トナー中にドメインとして存在し、前記トナーが、フーリエ変換赤外分光分析測定装置を用いて全反射法により測定したとき、827cm−1のピーク高さ(P827)と1170cm−1のピーク高さ(P1170)との比の値(P827/P1170)が、1.0未満であることを特徴とする。【選択図】図1