JP2014130243A5 - - Google Patents

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JP2014130243A5
JP2014130243A5 JP2012288238A JP2012288238A JP2014130243A5 JP 2014130243 A5 JP2014130243 A5 JP 2014130243A5 JP 2012288238 A JP2012288238 A JP 2012288238A JP 2012288238 A JP2012288238 A JP 2012288238A JP 2014130243 A5 JP2014130243 A5 JP 2014130243A5
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toner
less
shell
binder resin
temperature
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JP2012288238A
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JP2014130243A (en
JP6061674B2 (en
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Claims (5)

結着樹脂及び着色剤を含有するコアと、該コアを被覆するシェルを有するトナー粒子を有するトナーであって、
該結着樹脂は、
ｉ）側鎖結晶性樹脂であり、
ｉｉ）融点Ｔｍが５０．０℃以上９０．０℃以下であり、
該シェルを構成する樹脂は、ガラス転移温度Ｔｇが５０．０℃以上（Ｔｍ＋３５．０）℃以下であり、
該トナーは、
ｉ）温度Ｔｍ＋１０．０℃における貯蔵弾性率Ｇ’（Ｔｍ＋１０．０）が１．０×１０３Ｐａ以上１．０×１０５Ｐａ以下であり、
ｉｉ）温度Ｔｍ＋５０．０℃における貯蔵弾性率Ｇ’（Ｔｍ＋５０．０）と該Ｇ’（Ｔｍ＋１０．０）との比Ｇ’（Ｔｍ＋１０．０）／Ｇ’（Ｔｍ＋５０．０）が１０．０以下である、
ことを特徴とするトナー。 A toner having a toner particle having a core containing a binder resin and a colorant and a shell covering the core,
The binder resin is
i) a side chain crystalline resin;
ii) Melting point Tm is 50.0 ° C. or higher and 90.0 ° C. or lower,
The resin constituting the shell has a glass transition temperature Tg of 50.0 ° C. or higher and (Tm + 35.0) ° C. or lower,
The toner is
i) The storage elastic modulus G ′ (Tm + 10.0) at a temperature Tm + 10.0 ° C. is 1.0 × 10 3 Pa or more and 1.0 × 10 5 Pa or less,
ii) The ratio G ′ (Tm + 10.0) / G ′ (Tm + 50.0) of the storage elastic modulus G ′ (Tm + 50.0) and the G ′ (Tm + 10.0) at a temperature Tm + 50.0 ° C. is 10.0 or less. Is,
Toner characterized by the above. 該結着樹脂が化式１で表わされる部分構造を有することを特徴とする請求項１に記載のトナー。
Figure 2014130243
（化式１）
（式中、Ｒ１は炭素数が１８以上３４以下のアルキル基であり、Ｒ２は水素またはメチル基である。） The toner according to claim 1, wherein the binder resin has a partial structure represented by Formula 1.
Figure 2014130243
(Formula 1)
(Wherein R1 is an alkyl group having 18 to 34 carbon atoms, and R2 is hydrogen or a methyl group.) 該シェルの平均膜厚が３．０ｎｍ以上、５００．０ｎｍ以下であることを特徴とする請求項１または２に記載のトナー。   The toner according to claim 1, wherein an average film thickness of the shell is 3.0 nm or more and 500.0 nm or less. 該シェルを構成する樹脂のＳＰ値をＳＰ１とし、該結着樹脂のＳＰ値をＳＰ２とした時、差（ＳＰ１−ＳＰ２）がが０．５以上３．０以下であることを特徴とする請求項１乃至３のいずれか一項に記載のトナー。   When the SP value of the resin constituting the shell is SP1, and the SP value of the binder resin is SP2, the difference (SP1-SP2) is 0.5 to 3.0. Item 4. The toner according to any one of Items 1 to 3. 該トナーは、示差走査熱量測定で得られる温度−吸熱量曲線のメインピークに関し、ピークの半値幅が８．０℃以下であることを特徴とする請求項１乃至４のいずれか一項に記載のトナー。   5. The toner according to claim 1, wherein the toner has a full width at half maximum of 8.0 ° C. or less with respect to a main peak of a temperature-endothermic curve obtained by differential scanning calorimetry. Toner.
JP2012288238A 2012-12-28 2012-12-28 toner Active JP6061674B2 (en)

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JP2014130243A JP2014130243A (en) 2014-07-10
JP2014130243A5 true JP2014130243A5 (en) 2016-01-28
JP6061674B2 JP6061674B2 (en) 2017-01-18

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JP2019066538A (en) * 2017-09-28 2019-04-25 花王株式会社 Binder resin composition for electrophotographic toner
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JP7300309B2 (en) * 2018-06-07 2023-06-29 三洋化成工業株式会社 toner binder
US10877388B2 (en) 2018-06-13 2020-12-29 Canon Kabushiki Kaisha Toner
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JP7341706B2 (en) * 2018-06-13 2023-09-11 キヤノン株式会社 Toner and toner manufacturing method
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CN110597034B (en) 2018-06-13 2024-03-19 佳能株式会社 Two-component developer
JP7341707B2 (en) * 2018-06-13 2023-09-11 キヤノン株式会社 Two-component developer
US10732530B2 (en) 2018-06-13 2020-08-04 Canon Kabushiki Kaisha Toner and method for producing toner
JP7237705B2 (en) * 2018-06-13 2023-03-13 キヤノン株式会社 Magnetic toner and method for producing magnetic toner
CN110597030B (en) 2018-06-13 2023-10-24 佳能株式会社 Toner and two-component developer
US10877389B2 (en) 2018-06-13 2020-12-29 Canon Kabushiki Kaisha Toner
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JP7374745B2 (en) * 2019-12-12 2023-11-07 キヤノン株式会社 toner
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JP2021096285A (en) 2019-12-13 2021-06-24 キヤノン株式会社 Toner and method for manufacturing toner
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JP2022060854A (en) 2020-10-05 2022-04-15 キヤノン株式会社 Toner and method for manufacturing toner
US20220187725A1 (en) 2020-12-15 2022-06-16 Canon Kabushiki Kaisha Toner and method for producing toner
US20220413406A1 (en) 2021-06-11 2022-12-29 Canon Kabushiki Kaisha Toner

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JP7297503B2 (en) 2018-06-13 2023-06-26 キヤノン株式会社 toner

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