Printing ink
An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises (i) a radiation-curable oligomer, a passive thermoplastic resin, and/or a multifunctional monomer and (ii) 0.2-2 wt. % fumed silica, wherein if the ink comprises a passive thermoplastic resin, it also comprises a radiation-curable co...
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| creator | Angelique Runacre Matthew Kite James Heydon |
| description | An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises (i) a radiation-curable oligomer, a passive thermoplastic resin, and/or a multifunctional monomer and (ii) 0.2-2 wt. % fumed silica, wherein if the ink comprises a passive thermoplastic resin, it also comprises a radiation-curable component. Typically, the ink comprises a non-wetting organic solvent and 0.5-1.5 wt.% fumed silica, especially hydrophilic silica. The radiation-curable component may be an oligomer or a multifunctional or other monomer, such as a difunctional (meth)acrylate. The oligomer may be an epoxy acrylate and the radiation-curable monomer may be hexanediol diacrylate. The ink may comprise 0.1-25 wt.% radiation-curable oligomer, 0.1-5 wt.% passive thermoplastic resin, 30-90 wt.% multifunctional monomer, and 1-20 wt.% photoinitiator. The ink preferably contains less than 5 wt.% water and less than 5 wt.% hyperdispersants. A method of inkjet printing the ink is also disclosed. |
| format | Patent |
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Typically, the ink comprises a non-wetting organic solvent and 0.5-1.5 wt.% fumed silica, especially hydrophilic silica. The radiation-curable component may be an oligomer or a multifunctional or other monomer, such as a difunctional (meth)acrylate. The oligomer may be an epoxy acrylate and the radiation-curable monomer may be hexanediol diacrylate. The ink may comprise 0.1-25 wt.% radiation-curable oligomer, 0.1-5 wt.% passive thermoplastic resin, 30-90 wt.% multifunctional monomer, and 1-20 wt.% photoinitiator. The ink preferably contains less than 5 wt.% water and less than 5 wt.% hyperdispersants. A method of inkjet printing the ink is also disclosed.</description><language>eng</language><subject>ADHESIVES ; CHEMICAL PAINT OR INK REMOVERS ; CHEMISTRY ; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS ; CORRECTING FLUIDS ; DYES ; FILLING PASTES ; INKS ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PASTES OR SOLIDS FOR COLOURING OR PRINTING ; POLISHES ; USE OF MATERIALS THEREFOR ; WOODSTAINS</subject><creationdate>2024</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=20240207&DB=EPODOC&CC=GB&NR=2606449B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25568,76551</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240207&DB=EPODOC&CC=GB&NR=2606449B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Angelique Runacre</creatorcontrib><creatorcontrib>Matthew Kite</creatorcontrib><creatorcontrib>James Heydon</creatorcontrib><title>Printing ink</title><description>An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises (i) a radiation-curable oligomer, a passive thermoplastic resin, and/or a multifunctional monomer and (ii) 0.2-2 wt. % fumed silica, wherein if the ink comprises a passive thermoplastic resin, it also comprises a radiation-curable component. Typically, the ink comprises a non-wetting organic solvent and 0.5-1.5 wt.% fumed silica, especially hydrophilic silica. The radiation-curable component may be an oligomer or a multifunctional or other monomer, such as a difunctional (meth)acrylate. The oligomer may be an epoxy acrylate and the radiation-curable monomer may be hexanediol diacrylate. The ink may comprise 0.1-25 wt.% radiation-curable oligomer, 0.1-5 wt.% passive thermoplastic resin, 30-90 wt.% multifunctional monomer, and 1-20 wt.% photoinitiator. The ink preferably contains less than 5 wt.% water and less than 5 wt.% hyperdispersants. A method of inkjet printing the ink is also disclosed.</description><subject>ADHESIVES</subject><subject>CHEMICAL PAINT OR INK REMOVERS</subject><subject>CHEMISTRY</subject><subject>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</subject><subject>CORRECTING FLUIDS</subject><subject>DYES</subject><subject>FILLING PASTES</subject><subject>INKS</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PASTES OR SOLIDS FOR COLOURING OR PRINTING</subject><subject>POLISHES</subject><subject>USE OF MATERIALS THEREFOR</subject><subject>WOODSTAINS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZOAJKMrMK8nMS1fIzMvmYWBNS8wpTuWF0twM8m6uIc4euqkF-fGpxQWJyal5qSXx7k5GZgZmJiaWTsaEVQAAlecczA</recordid><startdate>20240207</startdate><enddate>20240207</enddate><creator>Angelique Runacre</creator><creator>Matthew Kite</creator><creator>James Heydon</creator><scope>EVB</scope></search><sort><creationdate>20240207</creationdate><title>Printing ink</title><author>Angelique Runacre ; Matthew Kite ; James Heydon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_GB2606449B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>ADHESIVES</topic><topic>CHEMICAL PAINT OR INK REMOVERS</topic><topic>CHEMISTRY</topic><topic>COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS</topic><topic>CORRECTING FLUIDS</topic><topic>DYES</topic><topic>FILLING PASTES</topic><topic>INKS</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PASTES OR SOLIDS FOR COLOURING OR PRINTING</topic><topic>POLISHES</topic><topic>USE OF MATERIALS THEREFOR</topic><topic>WOODSTAINS</topic><toplevel>online_resources</toplevel><creatorcontrib>Angelique Runacre</creatorcontrib><creatorcontrib>Matthew Kite</creatorcontrib><creatorcontrib>James Heydon</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Angelique Runacre</au><au>Matthew Kite</au><au>James Heydon</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Printing ink</title><date>2024-02-07</date><risdate>2024</risdate><abstract>An inkjet ink having a viscosity of 30-100 mPa s at 40°C comprises (i) a radiation-curable oligomer, a passive thermoplastic resin, and/or a multifunctional monomer and (ii) 0.2-2 wt. % fumed silica, wherein if the ink comprises a passive thermoplastic resin, it also comprises a radiation-curable component. Typically, the ink comprises a non-wetting organic solvent and 0.5-1.5 wt.% fumed silica, especially hydrophilic silica. The radiation-curable component may be an oligomer or a multifunctional or other monomer, such as a difunctional (meth)acrylate. The oligomer may be an epoxy acrylate and the radiation-curable monomer may be hexanediol diacrylate. The ink may comprise 0.1-25 wt.% radiation-curable oligomer, 0.1-5 wt.% passive thermoplastic resin, 30-90 wt.% multifunctional monomer, and 1-20 wt.% photoinitiator. The ink preferably contains less than 5 wt.% water and less than 5 wt.% hyperdispersants. A method of inkjet printing the ink is also disclosed.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES USE OF MATERIALS THEREFOR WOODSTAINS |
| title | Printing ink |
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