Canon kabushiki kaisha (20250116945). TONER
TONER
Organization Name
Inventor(s)
MEGUMI Yamauchi of Shizuoka JP
TONER
This abstract first appeared for US patent application 20250116945 titled 'TONER
Original Abstract Submitted
a toner including a toner particle, wherein a weight-average particle size of the toner is a specific range, a domain-matrix structure in which a domain is dispersed in a matrix is observed on a cross-section of the toner, the matrix includes a crystalline resin a, the domain includes an amorphous resin b, where the domain with a major axis of 300 nm or more is defined as domain c, and the domain with a major axis of 200 nm or less is defined as domain d, a number-average major axis of the domain d is 30 to 150 nm, and a proportion of the cross-section which satisfies (i) and (ii) is 90% or more; (i) 5 to 20 of domains c are present per cross-section and an area ratio of the domain c is 10 to 30%, (ii) the domain d is observed over an entire region in the cross-section.