Verfahren zum Behandeln von Titandioxidpigmenten, Titandioxidpigment und ihre Verwendung in der Papierherstellung
A novel titanium dioxide pigment consists of a titanium dioxide core covered successively with an aluminium phosphate layer, an alumina layer and a magnesium oxide layer. Pref. the pigment has a positive zeta potential at pH 7-8 and has the concn. (by wt.) 90-94.3% titanium dioxide, 2.5-4.5% alumini...
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| creator | GUEZ, ANNY LORANG, REMY |
| description | A novel titanium dioxide pigment consists of a titanium dioxide core covered successively with an aluminium phosphate layer, an alumina layer and a magnesium oxide layer. Pref. the pigment has a positive zeta potential at pH 7-8 and has the concn. (by wt.) 90-94.3% titanium dioxide, 2.5-4.5% aluminium phosphate, 3-4% alumina and 0.2-1.5 magnesium oxide. Also claimed are: (i) a process for surface treating a titanium dioxide pigment involving forming an aq. titanium dioxide pigment suspension, pptg. an aluminium phosphate layer on the pigment surface, pptg. an alumina layer on the pigment and then recovering the pigment from the suspension; and (ii) a process for surface treating a titanium dioxide pigment involving pptg. a magnesium oxide layer on the pigment after alumina pptn. and before pigment recovery. |
| format | Patent |
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Pref. the pigment has a positive zeta potential at pH 7-8 and has the concn. (by wt.) 90-94.3% titanium dioxide, 2.5-4.5% aluminium phosphate, 3-4% alumina and 0.2-1.5 magnesium oxide. Also claimed are: (i) a process for surface treating a titanium dioxide pigment involving forming an aq. titanium dioxide pigment suspension, pptg. an aluminium phosphate layer on the pigment surface, pptg. an alumina layer on the pigment and then recovering the pigment from the suspension; and (ii) a process for surface treating a titanium dioxide pigment involving pptg. a magnesium oxide layer on the pigment after alumina pptn. and before pigment recovery.</description><edition>7</edition><language>ger</language><subject>ADHESIVES ; CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; DYES ; IMPREGNATING OR COATING OF PAPER ; INORGANIC CHEMISTRY ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; POLISHES ; PREPARATION OF CARBON BLACK ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G ; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</subject><creationdate>2001</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=20010322&DB=EPODOC&CC=DE&NR=69518132T2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010322&DB=EPODOC&CC=DE&NR=69518132T2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUEZ, ANNY</creatorcontrib><creatorcontrib>LORANG, REMY</creatorcontrib><title>Verfahren zum Behandeln von Titandioxidpigmenten, Titandioxidpigment und ihre Verwendung in der Papierherstellung</title><description>A novel titanium dioxide pigment consists of a titanium dioxide core covered successively with an aluminium phosphate layer, an alumina layer and a magnesium oxide layer. Pref. the pigment has a positive zeta potential at pH 7-8 and has the concn. (by wt.) 90-94.3% titanium dioxide, 2.5-4.5% aluminium phosphate, 3-4% alumina and 0.2-1.5 magnesium oxide. Also claimed are: (i) a process for surface treating a titanium dioxide pigment involving forming an aq. titanium dioxide pigment suspension, pptg. an aluminium phosphate layer on the pigment surface, pptg. an alumina layer on the pigment and then recovering the pigment from the suspension; and (ii) a process for surface treating a titanium dioxide pigment involving pptg. a magnesium oxide layer on the pigment after alumina pptn. and before pigment recovery.</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</subject><subject>DYES</subject><subject>IMPREGNATING OR COATING OF PAPER</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>PAINTS</subject><subject>PAPER NOT OTHERWISE PROVIDED FOR</subject><subject>PAPER-MAKING</subject><subject>POLISHES</subject><subject>PREPARATION OF CARBON BLACK</subject><subject>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</subject><subject>PRODUCTION OF CELLULOSE</subject><subject>PULP COMPOSITIONS</subject><subject>TEXTILES</subject><subject>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><subject>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjDEPgjAUhFkcjPofXpx1AKLBVcU4OjSupLEHvKQ8ailq_PV2cHRwutx9l2-a3K_wtW49hN5jR3u0Wgys0KMXUhxi4_7FxnHTQQJk9WOlUQxxlFC0PSFmlIZYyMDTRTuGb-GHAGsjmCeTWtsBi2_OkuWpVIfzGq6vMDh9gyBUx3K726RFmmdKZflfpw-tp0Vw</recordid><startdate>20010322</startdate><enddate>20010322</enddate><creator>GUEZ, ANNY</creator><creator>LORANG, REMY</creator><scope>EVB</scope></search><sort><creationdate>20010322</creationdate><title>Verfahren zum Behandeln von Titandioxidpigmenten, Titandioxidpigment und ihre Verwendung in der Papierherstellung</title><author>GUEZ, ANNY ; LORANG, REMY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE69518132TT23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>ger</language><creationdate>2001</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</topic><topic>DYES</topic><topic>IMPREGNATING OR COATING OF PAPER</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>PAINTS</topic><topic>PAPER NOT OTHERWISE PROVIDED FOR</topic><topic>PAPER-MAKING</topic><topic>POLISHES</topic><topic>PREPARATION OF CARBON BLACK</topic><topic>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PULP COMPOSITIONS</topic><topic>TEXTILES</topic><topic>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</topic><topic>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES</topic><toplevel>online_resources</toplevel><creatorcontrib>GUEZ, ANNY</creatorcontrib><creatorcontrib>LORANG, REMY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>GUEZ, ANNY</au><au>LORANG, REMY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Verfahren zum Behandeln von Titandioxidpigmenten, Titandioxidpigment und ihre Verwendung in der Papierherstellung</title><date>2001-03-22</date><risdate>2001</risdate><abstract>A novel titanium dioxide pigment consists of a titanium dioxide core covered successively with an aluminium phosphate layer, an alumina layer and a magnesium oxide layer. Pref. the pigment has a positive zeta potential at pH 7-8 and has the concn. (by wt.) 90-94.3% titanium dioxide, 2.5-4.5% aluminium phosphate, 3-4% alumina and 0.2-1.5 magnesium oxide. Also claimed are: (i) a process for surface treating a titanium dioxide pigment involving forming an aq. titanium dioxide pigment suspension, pptg. an aluminium phosphate layer on the pigment surface, pptg. an alumina layer on the pigment and then recovering the pigment from the suspension; and (ii) a process for surface treating a titanium dioxide pigment involving pptg. a magnesium oxide layer on the pigment after alumina pptn. and before pigment recovery.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F DYES IMPREGNATING OR COATING OF PAPER INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING POLISHES PREPARATION OF CARBON BLACK PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES |
| title | Verfahren zum Behandeln von Titandioxidpigmenten, Titandioxidpigment und ihre Verwendung in der Papierherstellung |
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