Electrostatic charge image development toner and electrostatic charge image developer
AssigneeFuji Xerox Co., Ltd.
InventorsAtsushi Sugawara, Yasuo Kadokura, Daisuke Tomita, Sakiko Hirai, Satoshi Miura
Life of this patent
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Abstract
An electrostatic charge image development toner satisfies the following: a maximum slope of an absolute value of log (loss modulus G″) from 60° C. to 90° C. is 0.07 or more and 0.16 or less; a maximum slope of an absolute value of log (loss modulus G″) from 90° C. to 130° C. is 0.08 or less; and G″(60) is 5.0×107 Pa or more and 1.0×1010 Pa or less, where G″(60) is a loss modulus at 60° C.
Claims15
An electrostatic charge image development toner satisfying the following:
- a maximum slope of an absolute value of log (loss modulus G″) from 60° C. to 90° C. is 0.07 or more and 0.16 or less;
- and
- a maximum slope of an absolute value of log (loss modulus G″) from 90° C. to 130° C. is 0.08 or less,
- wherein G″(60) is 5.0×107 Pa or more and 1.0×1010 Pa or less, where G″(60) is a loss modulus at 60° C.,
- wherein the toner comprises a styrene-acrylic resin as a binder resin, and
- wherein a gel fraction of a binder resin in the toner is 0.5 mass % or more and 8.0 mass % or less.
An electrostatic charge image development toner satisfying the following:
- a maximum slope of an absolute value of log (loss modulus G″) from 60° C. to 90° C. is 0.08 or more and 0.16 or less;
- and
- a maximum slope of an absolute value of log (loss modulus G″) from 90° C. to 130° C. is 0.08 or less,
- wherein G″(60) is 1.0×108 Pa or more and 1.0×1010 Pa or less, where G″(60) is a loss modulus at 60° C.,
- wherein the toner comprises a styrene-acrylic resin as a binder resin, and
- wherein a gel fraction of a binder resin in the toner is 0.5 mass % or more and 8.0 mass % or less.
An electrostatic charge image development toner satisfying the following:
- a maximum slope of an absolute value of log (loss modulus G″) from 60° C. to 90° C. is 0.07 or more and 0.14 or less;
- and
- a maximum slope of an absolute value of log (loss modulus G″) from 90° C. to 130° C. is 0.08 or less,
- wherein G″(60) is 5.0×107 Pa or more and 5.0×109 Pa or less, where G″(60) is a loss modulus at 60° C.,
- wherein the electrostatic charge image development toner further comprises an amorphous polyester resin as a binder resin, and
- wherein a gel fraction of a binder resin in the toner is 1 mass % or more and 10 mass % or less.
Dependencies are inferred from the claim text.