http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2015203742-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1af8df51ce24ca931ae718fb747f6aa0 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-113 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-107 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G15-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G03G9-08 |
| filingDate | 2014-04-14^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebd1cc2191abf3be5c09b4f51d728ce5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ec92e13eb9c797c91f059cb788e163d5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c63fc89bbddb68cdf9a6fdd4f445b4bc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9d737f2bf421fa7e4ec8d65b7b292ad3 |
| publicationDate | 2015-11-16^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2015203742-A |
| titleOfInvention | Magnetic carrier, two-component developer, replenishment developer, and image forming method |
| abstract | An object of the present invention is to provide a magnetic carrier that suppresses the occurrence of leaks, achieves both white-out and anti-glare properties of an image, and does not deteriorate developability. In a magnetic carrier in which a surface layer of a porous ferrite core material is coated with a resin, the porous ferrite core material is i) the strength of magnetization when an external magnetic field of 5000 / 4π (kA / m) is applied. (Σn) is 55 Am 2 / kg or more and 70 Am 2 / kg or less, ii) The pore volume is 60 mm 3 / g or more and 120 mm 3 / g or less, and iii) The peak pore diameter is 0.40 μm or more and 0.90 μm or less. Yes, iv) The volume distribution standard 50% particle size (D50) is 25 μm or more and 60 μm or less, and in the powder X-ray diffraction measurement, the maximum peak intensity at 20 deg≰2θ≰40 deg satisfies the relationship of Formula 1. Features. 1.00 ≧ Pn / P70 ≧ (2σn−65) / 75 (Formula 1) [wherein Pn is the maximum peak value of X-ray diffraction of the porous ferrite core material, and P70 is the porous ferrite. It is the same prescription as the core material, and is the maximum peak value of X-ray diffraction in a particle having a magnetization intensity of 70 Am 2 / kg when an external magnetic field of 5000 / 4π (kA / m) is applied. ] [Selection figure] None |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109557782-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109557781-A |
| priorityDate | 2014-04-14^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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