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1. (WO2019027039) TONER
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Pub. No.:
WO/2019/027039
International Application No.:
PCT/JP2018/029215
Publication Date:
07.02.2019
International Filing Date:
03.08.2018
IPC:
G03G 9/097
(2006.01)
G
PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
9
Developers
08
with toner particles
097
Plasticisers; Charge controlling agents
Applicants:
キヤノン株式会社 CANON KABUSHIKI KAISHA
[JP/JP]; 東京都大田区下丸子3丁目30番2号 30-2, Shimomaruko 3-chome, Ohta-ku, Tokyo 1468501, JP
Inventors:
浦谷 梢 URATANI, Kozue
; JP
吉羽 大輔 YOSHIBA, Daisuke
; JP
津田 祥平 TSUDA, Shohei
; JP
長岡 朋弥 NAGAOKA, Tomoya
; JP
山下 麻理子 YAMASHITA, Mariko
; JP
金子 和希 KANEKO, Kazuki
; JP
永田 諒 NAGATA, Ryo
; JP
Agent:
丹羽 武司 NIWA, Takeshi
; JP
中村 剛 NAKAMURA, Go
; JP
坂井 浩一郎 SAKAI, Koichiro
; JP
森廣 亮太 MORIHIRO, Ryota
; JP
川口 嘉之 KAWAGUCHI, Yoshiyuki
; JP
Priority Data:
2017-151594
04.08.2017
JP
2017-151621
04.08.2017
JP
2018-111474
11.06.2018
JP
Title
(EN)
TONER
(FR)
TONER
(JA)
トナー
Abstract:
(EN)
The present invention provides a toner that causes less splashing and has excellent transfer efficiency when forming a line image with lower transfer current. The toner comprises: toner particles containing a binding resin and a coloring agent; and an external additive. The toner is characterized in that: the external additive contains an external additive A having a Feret's diameter of 60 nm to 200 nm; the external additive A is made up of inorganic fine particles or organic-inorganic composite fine particles; the adherence index of the external additive A in the toner is 0.00 to 3.00; and when observing a cross-sectional post-processed image of the toner obtained by a transmission electron microscope (TEM), the following relational expressions (1) and (2) are satisfied: 60 ≤ b+c ≤ 200 (1) 0.15 ≤ b/(b+c) ≤ 0.30 (2) Where b (nm) represents the penetration depth of a part of the external additive A that penetrates inside the toner particle from the surface of the toner particle and c (nm) represents a projection height.
(FR)
La présente invention concerne un toner qui provoque moins d'éclaboussures et présente une excellente efficacité de transfert lors de la formation d'une image linéaire avec un courant de transfert inférieur. Le toner comprend : des particules de toner contenant une résine de liaison et un agent colorant ; et un additif externe. Le toner est caractérisé en ce que : l'additif externe contient un additif externe A ayant un diamètre de Féret de 60 nm à 200 nm ; l'additif externe A est constitué de fines particules inorganiques ou de fines particules composites organiques-inorganiques ; l'indice d'adhérence de l'additif externe A dans le toner est de 0,00 à 3,00 ; et lors de l'observation d'une image post-traitée en coupe transversale du toner obtenue par un microscope électronique à transmission (TEM), les expressions relationnelles suivantes (1) et (2) sont satisfaites : 60 ≤ b+c ≤ 200 (1) 0,15 ≤ b/(b+c) ≤ 0,30 (2) où b (nm) représente la profondeur de pénétration d'une partie de l'additif externe A qui pénètre à l'intérieur de la particule de toner à partir de la surface de la particule de toner et c (nm) représente une hauteur de projection.
(JA)
低転写電流条件下においてライン画像を形成する際の転写効率に優れ、飛び散りが生じにくいトナーを提供すること。 結着樹脂および着色剤を含有するトナー粒子、ならびに、外添剤を有するトナーであって、外添剤は、フェレ径aが60nm~200nmである外添剤Aを含有し、外添剤Aが、無機微粒子または有機無機複合微粒子であり、トナーにおける外添剤Aの固着指数が、0.00~3.00であり、透過型電子顕微鏡(TEM)によるトナーの断面を画像処理した画像の観察において、外添剤Aのうち、一部分がトナー粒子の表面からトナー粒子内部に侵入した外添剤Aの侵入深さをb(nm)とし、凸高さをc(nm)としたとき、侵入深さbおよび凸高さcが、下記関係式(1)および(2)を満たすことを特徴とする、トナー。 60≦b+c≦200 (1) 0.15≦b/(b+c)≦0.30 (2)
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)