Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same
The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochem...
Gespeichert in:
| Hauptverfasser: | , , , , |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | KANEEDA, MASANOBU YAMCHI, FARIDEH BEHNISCH, JUERGEN PELTZER, JENS LAMANN, RAINER |
| description | The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochemical properties;
- average primary particle size (D) is 30 - 2000 nm,
- B * D < 430 nm, whilst B stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 80 % and D stands for average primary particle size (nm) of the silica powder,
- B / C < 2.7, whilst C stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 20 %, and
- carbon content > 0.30 wt.-%. |
| format | Patent |
| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_TWI744263BB</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>TWI744263BB</sourcerecordid><originalsourceid>FETCH-epo_espacenet_TWI744263BB3</originalsourceid><addsrcrecordid>eNqNzLEKwlAMheEuDqK-Qx5AF1t0V5S6FxxLvE3bC20SbgIivrylODg6nTP8fMvsXb6aJNrLIwawOMSAoPJsKG1BkwQyg1bS9EkxRe7AewLDkQC5ARemBEFGFYseheeYBgo-qy5dQu0nOwg7Rv4V1tmixcFo891VBtdLdS53pFKTKQZi8rq6345FsT_kp1P-R_IBm7pIXw</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same</title><source>esp@cenet</source><creator>KANEEDA, MASANOBU ; YAMCHI, FARIDEH ; BEHNISCH, JUERGEN ; PELTZER, JENS ; LAMANN, RAINER</creator><creatorcontrib>KANEEDA, MASANOBU ; YAMCHI, FARIDEH ; BEHNISCH, JUERGEN ; PELTZER, JENS ; LAMANN, RAINER</creatorcontrib><description>The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochemical properties;
- average primary particle size (D) is 30 - 2000 nm,
- B * D < 430 nm, whilst B stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 80 % and D stands for average primary particle size (nm) of the silica powder,
- B / C < 2.7, whilst C stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 20 %, and
- carbon content > 0.30 wt.-%.</description><language>chi ; eng</language><subject>CHEMISTRY ; CINEMATOGRAPHY ; COMPOUNDS THEREOF ; ELECTROGRAPHY ; ELECTROPHOTOGRAPHY ; HOLOGRAPHY ; INORGANIC CHEMISTRY ; MAGNETOGRAPHY ; METALLURGY ; NON-METALLIC ELEMENTS ; PHOTOGRAPHY ; PHYSICS</subject><creationdate>2021</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=20211101&DB=EPODOC&CC=TW&NR=I744263B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211101&DB=EPODOC&CC=TW&NR=I744263B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANEEDA, MASANOBU</creatorcontrib><creatorcontrib>YAMCHI, FARIDEH</creatorcontrib><creatorcontrib>BEHNISCH, JUERGEN</creatorcontrib><creatorcontrib>PELTZER, JENS</creatorcontrib><creatorcontrib>LAMANN, RAINER</creatorcontrib><title>Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same</title><description>The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochemical properties;
- average primary particle size (D) is 30 - 2000 nm,
- B * D < 430 nm, whilst B stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 80 % and D stands for average primary particle size (nm) of the silica powder,
- B / C < 2.7, whilst C stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 20 %, and
- carbon content > 0.30 wt.-%.</description><subject>CHEMISTRY</subject><subject>CINEMATOGRAPHY</subject><subject>COMPOUNDS THEREOF</subject><subject>ELECTROGRAPHY</subject><subject>ELECTROPHOTOGRAPHY</subject><subject>HOLOGRAPHY</subject><subject>INORGANIC CHEMISTRY</subject><subject>MAGNETOGRAPHY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PHOTOGRAPHY</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzLEKwlAMheEuDqK-Qx5AF1t0V5S6FxxLvE3bC20SbgIivrylODg6nTP8fMvsXb6aJNrLIwawOMSAoPJsKG1BkwQyg1bS9EkxRe7AewLDkQC5ARemBEFGFYseheeYBgo-qy5dQu0nOwg7Rv4V1tmixcFo891VBtdLdS53pFKTKQZi8rq6345FsT_kp1P-R_IBm7pIXw</recordid><startdate>20211101</startdate><enddate>20211101</enddate><creator>KANEEDA, MASANOBU</creator><creator>YAMCHI, FARIDEH</creator><creator>BEHNISCH, JUERGEN</creator><creator>PELTZER, JENS</creator><creator>LAMANN, RAINER</creator><scope>EVB</scope></search><sort><creationdate>20211101</creationdate><title>Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same</title><author>KANEEDA, MASANOBU ; YAMCHI, FARIDEH ; BEHNISCH, JUERGEN ; PELTZER, JENS ; LAMANN, RAINER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_TWI744263BB3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2021</creationdate><topic>CHEMISTRY</topic><topic>CINEMATOGRAPHY</topic><topic>COMPOUNDS THEREOF</topic><topic>ELECTROGRAPHY</topic><topic>ELECTROPHOTOGRAPHY</topic><topic>HOLOGRAPHY</topic><topic>INORGANIC CHEMISTRY</topic><topic>MAGNETOGRAPHY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PHOTOGRAPHY</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>KANEEDA, MASANOBU</creatorcontrib><creatorcontrib>YAMCHI, FARIDEH</creatorcontrib><creatorcontrib>BEHNISCH, JUERGEN</creatorcontrib><creatorcontrib>PELTZER, JENS</creatorcontrib><creatorcontrib>LAMANN, RAINER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KANEEDA, MASANOBU</au><au>YAMCHI, FARIDEH</au><au>BEHNISCH, JUERGEN</au><au>PELTZER, JENS</au><au>LAMANN, RAINER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same</title><date>2021-11-01</date><risdate>2021</risdate><abstract>The invention relates to a hydrophobic silica powder which is unprecedentedly insensitive to environmental humidity with which electrophotographic toner can possess stable electro static charge that leads to stable quality of printed image. The hydrophobic silica powder has the following physicochemical properties;
- average primary particle size (D) is 30 - 2000 nm,
- B * D < 430 nm, whilst B stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 80 % and D stands for average primary particle size (nm) of the silica powder,
- B / C < 2.7, whilst C stands for weight % of adsorbed water vapor on silica (100 weight %) when the partial pressure of water to the equilibrium vapor pressure of water at 25°C is 20 %, and
- carbon content > 0.30 wt.-%.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | chi ; eng |
| recordid | cdi_epo_espacenet_TWI744263BB |
| source | esp@cenet |
| subjects | CHEMISTRY CINEMATOGRAPHY COMPOUNDS THEREOF ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY INORGANIC CHEMISTRY MAGNETOGRAPHY METALLURGY NON-METALLIC ELEMENTS PHOTOGRAPHY PHYSICS |
| title | Hydrophobic silica powder, process for preparing the same and toner composition for electrophotographic containing the same |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-10T11%3A56%3A13IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=KANEEDA,%20MASANOBU&rft.date=2021-11-01&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3ETWI744263BB%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |