SURFACE-PRETREATMENT OF NON-METALLIC ARTICLES FOR CHEMICAL NICKEL-PLATING
Pretreatment of surfaces of non-metallic articles for chemical nickel-plating. The surface of the article is treated using a pickling solution of concentrated sulfuric acid containing one or more noble metal salts and the noble metal salt adhered to the surface of the article is subsequently reduced...
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| creator | MICHAEL AHLGRIM GERHARD MIETENS JOACHIM KANDLER |
| description | Pretreatment of surfaces of non-metallic articles for chemical nickel-plating. The surface of the article is treated using a pickling solution of concentrated sulfuric acid containing one or more noble metal salts and the noble metal salt adhered to the surface of the article is subsequently reduced to metal to activate the surface, using an aqueous solution of a reducing agent. The pickling step and the reductive activation of the surface of the article are carried out while using the solutions at a uniform temperature of between about 75 DEG and 90 DEG C., and adding a polyphosphonic acid stabilizer to the aqueous solution of the reducing agent. |
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The surface of the article is treated using a pickling solution of concentrated sulfuric acid containing one or more noble metal salts and the noble metal salt adhered to the surface of the article is subsequently reduced to metal to activate the surface, using an aqueous solution of a reducing agent. The pickling step and the reductive activation of the surface of the article are carried out while using the solutions at a uniform temperature of between about 75 DEG and 90 DEG C., and adding a polyphosphonic acid stabilizer to the aqueous solution of the reducing agent.</description><language>eng</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>1972</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=19720404&DB=EPODOC&CC=US&NR=3653947A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19720404&DB=EPODOC&CC=US&NR=3653947A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MICHAEL AHLGRIM</creatorcontrib><creatorcontrib>GERHARD MIETENS</creatorcontrib><creatorcontrib>JOACHIM KANDLER</creatorcontrib><title>SURFACE-PRETREATMENT OF NON-METALLIC ARTICLES FOR CHEMICAL NICKEL-PLATING</title><description>Pretreatment of surfaces of non-metallic articles for chemical nickel-plating. The surface of the article is treated using a pickling solution of concentrated sulfuric acid containing one or more noble metal salts and the noble metal salt adhered to the surface of the article is subsequently reduced to metal to activate the surface, using an aqueous solution of a reducing agent. The pickling step and the reductive activation of the surface of the article are carried out while using the solutions at a uniform temperature of between about 75 DEG and 90 DEG C., and adding a polyphosphonic acid stabilizer to the aqueous solution of the reducing agent.</description><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1972</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyjsOwjAMANAsDAg4A75ApvARo2U51CKfKnHnqkJhQlCp3F8s7ExveWsjdSgeiW1fWAujRk4K2UPKyUZWDEEIsKhQ4Ao-F6COoxAGSEI3DrYPqJKuW7N6TM-l7X5uzN6zUmfb_B7bMk_39mqfcajudHSXwxnd__EFlAoskw</recordid><startdate>19720404</startdate><enddate>19720404</enddate><creator>MICHAEL AHLGRIM</creator><creator>GERHARD MIETENS</creator><creator>JOACHIM KANDLER</creator><scope>EVB</scope></search><sort><creationdate>19720404</creationdate><title>SURFACE-PRETREATMENT OF NON-METALLIC ARTICLES FOR CHEMICAL NICKEL-PLATING</title><author>MICHAEL AHLGRIM ; GERHARD MIETENS ; JOACHIM KANDLER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US3653947A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1972</creationdate><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><toplevel>online_resources</toplevel><creatorcontrib>MICHAEL AHLGRIM</creatorcontrib><creatorcontrib>GERHARD MIETENS</creatorcontrib><creatorcontrib>JOACHIM KANDLER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MICHAEL AHLGRIM</au><au>GERHARD MIETENS</au><au>JOACHIM KANDLER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SURFACE-PRETREATMENT OF NON-METALLIC ARTICLES FOR CHEMICAL NICKEL-PLATING</title><date>1972-04-04</date><risdate>1972</risdate><abstract>Pretreatment of surfaces of non-metallic articles for chemical nickel-plating. The surface of the article is treated using a pickling solution of concentrated sulfuric acid containing one or more noble metal salts and the noble metal salt adhered to the surface of the article is subsequently reduced to metal to activate the surface, using an aqueous solution of a reducing agent. The pickling step and the reductive activation of the surface of the article are carried out while using the solutions at a uniform temperature of between about 75 DEG and 90 DEG C., and adding a polyphosphonic acid stabilizer to the aqueous solution of the reducing agent.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | SURFACE-PRETREATMENT OF NON-METALLIC ARTICLES FOR CHEMICAL NICKEL-PLATING |
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