Abstract: Provided is an electrostatic charge image developing toner including toner base particles containing a binder resin an a mold release agent, wherein a molecular weight corresponding to a main peak top of a molecular weight distribution curve of constituent components of the electrostatic charge image developing toner obtained by gel permeation chromatography is 15,000 or more; and in comparison of an area ratio of each peak in the molecular weight distribution curve, the binder resin contains an amorphous material of a low molecular weight component having a weight average molecular weight of 300 or more and less than 1000 in the area ratio of 10 to 20% with respect to the total amount of the binder resin.

Abstract: Provided is an electrostatic charge image developing toner containing at least toner particles, wherein the toner particles contain an amorphous vinyl resin, an amorphous polyester resin, a crystalline polyester resin, and an ester wax; the crystalline polyester resin is a crystalline polyester resin obtained by polycondensation of a dicarboxylic acid having a number of carbon atoms in the range of 9 to 14 and a dialcohol having a number of carbon atoms in the range of 9 to 14; the amorphous polyester resin is an amorphous polyester resin containing a constituent unit derived from a dicarboxylic acid having a number of carbon atoms in the range of 9 to 14 or a dialcohol having a number of carbon atoms in the range of 9 to 14; and a sum of the number of carbon atoms of the dicarboxylic acid and the dialcohol is in the range of 18 to 24.

Abstract: A toner for electrostatic charge image development includes: a toner base particle containing a binder resin; and an external additive containing a strontium titanate fine particle, wherein the binder resin contains an amorphous resin and a crystalline polyester resin, in which the crystalline polyester resin is a polycondensate of an aliphatic dicarboxylic acid having from 6 to 14 carbon atoms and an aliphatic diol having from 6 to 14 carbon atoms, and the strontium titanate fine particle contains a strontium titanate fine particle (A) and a strontium titanate fine particle (B), in which a particle diameter RA of a peak top in number particle size distribution of the strontium titanate fine particle (A) is smaller than a particle diameter RB of a peak top in number particle size distribution of the strontium titanate fine particle (B).

Abstract: The present toner is an electrostatic latent image developing toner, and contains a toner base particle. The toner base particle contains a binder resin and a release agent. The binder resin contains a crystalline resin and a vinyl resin. When the storage elastic modulus G? at 50° C. is defined as G?50° C., the peak top temperature (° C.) of a specific endothermic peak in DSC of the toner is defined as Tm, the measurement temperature (° C.) at a G? of 1×106 Pa is defined as TmA, and the measurement temperature (° C.) at a G? of 1×105 Pa is defined as TmB, the toner satisfies the following expressions (1) to (3): G?50° C.?1×108??(1) TmB?TmA?8??(2) Tm<TmB??(3).