Toner
OwnerMariko Yamashita, Takashi Matsui +3inventors
InventorsMARIKO YAMASHITA, TAKASHI MATSUI, KENJI AOKI, YUHEI TERUI, SHINTARO NOJI
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Abstract
A magnetic toner comprising a toner particle, the toner particle comprising a magnetic body, a crystalline resin A, and an amorphous resin B. The crystalline resin A has a monomer unit (a). The amorphous resin B has a monomer unit (b). A content of the crystalline resin A in the toner is 6.2 to 77.0 mass %. The sum of contents of the crystalline resin A and the amorphous resin B in the toner is 30.0 mass % or more. A content of the monomer unit (a) in the crystalline resin A is 50.0 to 100.0 mass %. Using SPA [(J/cm3)0.5] for a SP value of the crystalline resin A and using SPB [(J/cm3)0.5] for a SP value of the amorphous resin B, SPA and SPB satisfy 0.15≤SPB−SPA≤2.00.
Claims11
A magnetic toner comprising a toner particle, the toner particle comprising:
- a magnetic body,
- a crystalline resin A, and
- an amorphous resin B, wherein
- the crystalline resin A comprises a monomer unit (a) represented by formula (a);
- the amorphous resin B comprises a monomer unit (b) represented by formula (b);
- a content of the crystalline resin A in the toner is 6.2 to 77.0 mass %;
- the sum of contents of the crystalline resin A and the amorphous resin B in the toner is 30.0 mass % or more;
- a content of the monomer unit (a) in the crystalline resin A is 50.0 to 100.0 mass %;
- and
- using SPA ((J/cm3)0.5) for a SP value of the crystalline resin A and using SPB ((J/cm3)0.5) for a SP value of the amorphous resin B, SPA and SPB satisfy 0.15≤SPB−SPA≤2.00:
- in formula (a), R1 represents a hydrogen atom or a methyl group, L1 represents a single bond or a divalent linking group, and m represents an integer from 15 to 35:
- in formula (b), R2 represents a hydrogen atom or a methyl group, L2 represents a single bond or a divalent linking group, and n represents an integer from 10 to 30.
Dependencies are inferred from the claim text.