ELECTROSTATIC DEVELOPING TONER
PROBLEM TO BE SOLVED: To provide an economical electrostatic image developing toner showing excellent stability of a toner charge amt. and resistance against fracture even when formation of images is repeated for lots of times by a noncontact developing method. SOLUTION: This electrostatic image dev...
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| creator | SHIRASE AKIZO ISOBE KAZUYA |
| description | PROBLEM TO BE SOLVED: To provide an economical electrostatic image developing toner showing excellent stability of a toner charge amt. and resistance against fracture even when formation of images is repeated for lots of times by a noncontact developing method. SOLUTION: This electrostatic image developing toner contains a vinyl polymer as a binder resin. The vinyl polymer contains at least one of acrylic acids and methacrylic acids and a polyvalent metal compd. and has a crosslinked structure produced by the carboxyl groups of the acrylic acids or methacrylic acids and the polyvalent metal compd. In the vinyl polymer, it is preferable that the amt. of at least one of acrylic acids and methacrylic acids is 2 to 10 wt.% and the amt. of the polyvalent metal compd. is 0.1 to 0.5 wt.%. |
| format | Patent |
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SOLUTION: This electrostatic image developing toner contains a vinyl polymer as a binder resin. The vinyl polymer contains at least one of acrylic acids and methacrylic acids and a polyvalent metal compd. and has a crosslinked structure produced by the carboxyl groups of the acrylic acids or methacrylic acids and the polyvalent metal compd. In the vinyl polymer, it is preferable that the amt. of at least one of acrylic acids and methacrylic acids is 2 to 10 wt.% and the amt. of the polyvalent metal compd. is 0.1 to 0.5 wt.%.</description><edition>6</edition><language>eng</language><subject>CINEMATOGRAPHY ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; MAGNETOGRAPHY ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>1999</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990709&DB=EPODOC&CC=JP&NR=H11184148A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990709&DB=EPODOC&CC=JP&NR=H11184148A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHIRASE AKIZO</creatorcontrib><creatorcontrib>ISOBE KAZUYA</creatorcontrib><title>ELECTROSTATIC DEVELOPING TONER</title><description>PROBLEM TO BE SOLVED: To provide an economical electrostatic image developing toner showing excellent stability of a toner charge amt. and resistance against fracture even when formation of images is repeated for lots of times by a noncontact developing method. SOLUTION: This electrostatic image developing toner contains a vinyl polymer as a binder resin. The vinyl polymer contains at least one of acrylic acids and methacrylic acids and a polyvalent metal compd. and has a crosslinked structure produced by the carboxyl groups of the acrylic acids or methacrylic acids and the polyvalent metal compd. In the vinyl polymer, it is preferable that the amt. of at least one of acrylic acids and methacrylic acids is 2 to 10 wt.% and the amt. of the polyvalent metal compd. is 0.1 to 0.5 wt.%.</description><subject>CINEMATOGRAPHY</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>MAGNETOGRAPHY</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBz9XF1DgnyDw5xDPF0VnBxDXP18Q_w9HNXCPH3cw3iYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxXgEehoaGFiaGJhaOxsSoAQDRTiHK</recordid><startdate>19990709</startdate><enddate>19990709</enddate><creator>SHIRASE AKIZO</creator><creator>ISOBE KAZUYA</creator><scope>EVB</scope></search><sort><creationdate>19990709</creationdate><title>ELECTROSTATIC DEVELOPING TONER</title><author>SHIRASE AKIZO ; ISOBE KAZUYA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH11184148A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>CINEMATOGRAPHY</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>MAGNETOGRAPHY</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>SHIRASE AKIZO</creatorcontrib><creatorcontrib>ISOBE KAZUYA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHIRASE AKIZO</au><au>ISOBE KAZUYA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTROSTATIC DEVELOPING TONER</title><date>1999-07-09</date><risdate>1999</risdate><abstract>PROBLEM TO BE SOLVED: To provide an economical electrostatic image developing toner showing excellent stability of a toner charge amt. and resistance against fracture even when formation of images is repeated for lots of times by a noncontact developing method. SOLUTION: This electrostatic image developing toner contains a vinyl polymer as a binder resin. The vinyl polymer contains at least one of acrylic acids and methacrylic acids and a polyvalent metal compd. and has a crosslinked structure produced by the carboxyl groups of the acrylic acids or methacrylic acids and the polyvalent metal compd. In the vinyl polymer, it is preferable that the amt. of at least one of acrylic acids and methacrylic acids is 2 to 10 wt.% and the amt. of the polyvalent metal compd. is 0.1 to 0.5 wt.%.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS |
| title | ELECTROSTATIC DEVELOPING TONER |
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