Conductive composition for electrophotographic apparatuses and conductive roll for electrophotographic apparatuses using same

[0101] [Examples 1-1 to 1-14, Comparative Examples 1-1 to 1-4 (toner supply roller)]

[0102] Each component was mix|blended so that it might become the compounding ratio (unit: mass part) shown in Table 4 - Table 6, and it mixed with a stirrer, and the composition of the urethane foam of an Example and a comparative example was prepared. Details of the materials shown in Tables 4 to 6 are as follows.

[0103] [Raw materials of urethane foam]

[0104] (Polyether polyol)

[0105] · Sanyo Chemical Co., Ltd., trade name "Sonnickus FA703", EO content: 10%, OHv: 33 mgKOH / g

[0106] · Asahi Glass Co., Ltd., trade name "EXCENOL3021", EO content: 0%, OHv: 34 mgKOH / g

[0107] (Silicone Foam Stabilizer)

[0108] ・Product name: "SRX274DL" manufactured by Torayo Co., Ltd.

[0109] (foaming agent)

[0110] Distilled water: OHv: 6233mgKOH / g

[0111] (Ion Conductive Agent): Refer to Table 1 to Table 3

[0112] (catalyst)

[0113] ・Product name "TEDA L33" manufactured by Toso Ichi

[0137] [Examples 2-1 to 2-2, Comparative Example 2-1 (charging roller)]

[0138] Each component was mixed so that it might become the mixing ratio (unit: mass part) shown in Table 7, and it mixed with a stirrer, and the composition of the base mix and the coating film mix of an Example and a comparative example was prepared. Details of the materials shown in Table 7 are as follows.

[0139] [Basic deployment of grassroots]

[0140] · ECO: ダイソ One company, trade name "エビタロマ CG102"

[0141] ・Carbon black: manufactured by Tokai Kaybon Co., Ltd., trade name "シースト116"

[0142] Peroxide: 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane: manufactured by NOF Corporation, trade name "Panabol 25B40"

[0143] ·Ion conductive agent: refer to Table 1 and Table 3

[0144] [Coating film preparation of surface layer]

[0145] ·N-methoxymethylated nylon

[0146] ·Citric acid

[0147] ·Methanol

[0148] ·Ion conductive agent: refer to Table 1 and Table 3

[0149]

[0150] (formation of base

[0166] [Examples 3-1 to 3-2, Comparative Example 3-1 (developing roller)]

[0167] Each component was prepared so that it might become a compounding ratio (unit: mass part) shown in Table 8, and it mixed with a mixer, and the composition of the base compounding of an Example and a comparative example, and a coating film preparation was prepared. Details of the materials shown in Table 8 are as follows.