Canon Kabushiki Kaisha

Taku Shimoda

Masashi Kawamura

Yasuko Tomida

Kenji Ookubo

Takayuki Toyoda

Masahiro Terada

Yoshihiro Nakagawa

Tsutomu Shimano

Yu Yoshida

Tsuyoshi Furuse

Reo Tagawa

Takashi Kenmoku

Makoto Kojima

Akane Masumoto

Takashi Matsui

Kenji Aoki

Shosei Mori

Akira Kuriyama

Tsuneyoshi Tominaga

Kazumichi Nakahama

Keiichiro Tsubaki

Takayuki Hiratani

Mariko Yamashita

Shohei Shibahara

Yuna Yamamoto

Michiko Kato

A toner comprises a toner particle comprising a resin A and a resin B, wherein the resin A has a structure represented by a predetermined general formula, and the resin B has a monomer unit represented by a predetermined general formula, and a toner manufacturing method comprises a step of dispersing a toner base particle comprising the resin B in an aqueous medium to obtain a toner slurry, and a step of adding a radical polymerization initiator and a monomer composition comprising a monomer represented by a predetermined general formula to the resulting toner slurry to form the resin A on a surface of the toner base particle.

Toner and method for manufacturing toner

A toner comprising a toner particle, wherein the toner particle comprises a binder resin, a resin A, and a resin B, the resin A comprises a substituted or unsubstituted silyl group in a molecule, a substituent of the substituted silyl group is at least one selected from the group consisting of an alkyl group having 1 or more carbon atoms, an alkoxy group having 1 or more carbon atoms, a hydroxy group, a halogen atom, and an aryl group having 6 or more carbon atoms, and the resin B comprises an azo group in a molecule.

Toner

A toner comprising a toner particle comprising a resin A, and an external additive A, wherein the resin A is a resin represented by formula (1) below, the resin A is present at the surface of the toner particle, the external additive A is a fine particle containing silicon, the average value of the shape factor SF-1 of the external additive A is from 105 to 120, the average value of the shape factor SF-2 of the external additive A is from 100 to 130.

A production method for obtaining a compound having an amide bond and also having an alkoxysilyl group by a reaction of a compound including a carboxy group with a compound having an amino group and an alkoxysilyl group, the production method comprising:

Method for producing compound having amide bond and also having alkoxysilyl group

Toner comprising a toner particle, the toner particle includes a toner core particle and an organosilicon polymer covering the toner core particle surface, the organosilicon polymer has a structure represented by R&#x2014;SiO(Reach independently represents an alkyl group having 1 to 6 carbon atoms or a phenyl group), the toner core particle includes a resin A having a substituted or unsubstituted silyl group in a molecule thereof, a substituent of the substituted silyl group is at least one selected from the group consisting of an alkyl group having 1 or more carbon atoms, an alkoxy group having 1 or more carbon atoms, a hydroxy group, a halogen atom, and an aryl group having 6 or more carbon atoms, a content of silicon atoms in the resin A is 0.02 to 10.00% by mass, and a content of silicon atoms in the organosilicon polymer is 30 to 50% by mass.

A toner comprising a toner particle that contains a binder resin, a resin represented by formula (1), and wax, wherein the wax contains an ester compound that exhibits a compatibility at 100&#xb0; C. of at least 5.0 mass parts per 100.0 mass parts of the binder resin: wherein in formula (1), Prepresents a macromolecular segment; Lrepresents a single bond or a divalent linking group; Rto Reach independently represent a hydrogen atom, halogen atom, alkyl group, alkoxy group, hydroxy group, or aryl group; m represents a positive integer; and when m is equal to or greater than 2, a plurality of L's, a plurality of R's, a plurality of R's, and a plurality of R's may be the same as or different from each other. 

Toner, including: a toner particle that contains a binder resin and a wax, wherein the binder resin includes an amorphous resin A, and, in dynamic viscoelasticity measurement of the toner, when the temperature at which the loss elastic modulus G&#x2033; measured at a frequency of 1 Hz becomes 1.00&#xd7;10Pa is set as T(1 Hz), when the temperature at which the loss elastic modulus G&#x2033; measured at a frequency of 20 Hz becomes 1.00&#xd7;10Pa is set as T(20 Hz), and when the maximum value of the ratio (tan &#x3b4;) of the loss elastic modulus G&#x2033; with respect to the storage elastic modulus G', measured at a frequency of 20 Hz, in a range of from 60&#xb0; C. to 90&#xb0; C. is set as tan &#x3b4;(P), the toner satisfies T(20 Hz)&#x2212;T(1 Hz)&#x2264;7.0&#xb0; C., 0.80&#x2264;tan &#x3b4;(P)&#x2264;1.90, 60&#xb0; C.&#x2264;T(1 Hz)&#x2264;80&#xb0; C., and 60&#xb0; C.&#x2264;T(20 Hz)&#x2264;80&#xb0; C.

Provided is a toner having: a toner particle including a binder resin and a wax A, wherein the binder resin includes at least 50% by mass of a styrene acrylic copolymer in the binder resin, the melting point of the wax A is from 60.0&#xb0; C. to 100.0&#xb0; C., the wax A is compatible at 100&#xb0; C. in an amount of at least 15.0 parts by mass with 100 parts by mass of a styrene-butyl acrylate copolymer, in DSC of the toner, where a peak temperature of a maximum exothermic peak derived from the wax A when cooling from 150&#xb0; C. to 0&#xb0; C. is performed at 1.0&#xb0; C./min is denoted by Tc(1), and a peak temperature of a maximum exothermic peak derived from the wax A when cooling from 150&#xb0; C. to 0&#xb0; C. is performed at 20.0&#xb0; C./min is denoted by Tc(20), 0.0&#xb0; C.&#x2264;Tc(1)-Tc(20)&#x2264;7.0&#xb0; C. is satisfied.

A toner comprising: a toner particle that contains a binder resin and a wax, wherein the binder resin contains a styrene-acrylic copolymer, the content of the styrene-acrylic copolymer in the binder resin is at least 50 mass %, the wax contains a wax A, at least 15.0 mass parts of the wax A compatibilizes at 100&#xb0; C. with 100 mass parts of a specific styrene&#x2014;butyl acrylate copolymer, and in a cross section of the toner particle observed using a scanning transmission electron microscope, domains of the wax are present, the average number of the domains is from 20 to 2,000, and using r1 for the average major diameter of the domains and r2 for the average minor diameter of the domains, r1 is from 0.03 &#x3bc;m to 1.00 &#x3bc;m, and the ratio of r1 to r2 is from 1.0 to 3.0.

Toner and method for producing toner

A method for producing a resin composition, comprising the step of: subjecting a radical copolymerization of a first radical polymerizable monomer which is free from any crystalline molecular chain and a second radical polymerizable monomer having a crystalline molecular chain, in the presence of a radical polymerization initiator, (wherein Rdenotes a hydrogen atom or a methyl group, and Rdenotes an alkyl group having at least 17 carbon atoms) the first radical polymerizable monomer has a particular reactivity ratio.

Method for producing resin composition and resin composition

Provided is a method for producing a pattern of an electroconductive member, comprising: a step of forming a resin film on a substrate surface; a step of incorporating the first metal component into the resin by applying to the resin a liquid which contains a complex of a first metal component, which contains also a second metal component different from the first component, and to which a compound forming a complex with the second metal component is contacting or contacted preliminary; and a step of baking the resin film to form the electroconductive member from the first metal component incorporated into the resin film. Thus, the second metal component is prevented from adversely affecting the first metal component to be incorporated into the resin.

Method of manufacturing electroconductive member pattern, and methods of manufacturing electron source and image displaying apparatus each using the same

A method for manufacturing electron emitting devices each having electrodes formed on a substrate and an electroconductive thin film connected between a pair of electrodes and having an electron emitting region is provided which can manufacture electron emitting devices having an excellent uniformity of electron emitting characteristics by improving the formation of liquid droplets to be dispensed to the substrate. In the manufacturing method, the substrate formed with the electrodes is subjected to a hydrophobic process using a silane coupling agent which contains two or more acetoxy groups in a molecule, and thereafter liquid droplets containing material for forming the electroconductive thin film are dispensed to the substrate. An image of excellent uniformity can be displayed by adopting electron emitting devices manufactured in the above manner to an image display apparatus.

Electron emitting device manufacture method and image display apparatus manufacture method

An electron-emitting device comprises a pair of opposing electrodes formed on a substrate, an electroconductive film having a fissure arranged between the pair of electrodes, and at least a film having a gap and containing carbon as a main ingredient, arranged at an end portion of the electroconductive film facing the fissure. The fissure is a region of 95% or more of a length in the fissure direction, has a width of from 60 nm or more to 800 nm or less, and has a difference of 300 nm or less between a maximum value and a minimum value of the width, thereby providing high withstanding voltage without forming branched fissure.

Growing community of inventors

Machida, Japan

Taku Shimoda