http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2009031568-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C2222-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-13 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D5-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C22-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09D7-63 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C22-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C22-83 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D7-63 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C22-30 |
| filingDate | 2008-09-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2010-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-WO2009031568-A1 |
| titleOfInvention | Composition for chemical conversion treatment and member having chemical conversion film formed by the treatment |
| abstract | Provided is a new hexavalent chromium ion elution suppression means for a chemical conversion film obtained by a chemical conversion treatment liquid containing trivalent chromium ions. A composition for chemical conversion treatment comprising a polyphenol of 0.1 g / L or more and a water-soluble trivalent chromium compound of 1.5 g / L or more in terms of chromium ion concentration, and having a pH of 6 or less. The concentration of hexavalent chromium in a chemical film formed by bringing the composition into contact with the surface of the metal when exposed to an environment of 80 ° C. and 100% RH for 120 hours is the concentration obtained by an analytical method according to EN15205. 0.04 μg / cm 2 or less. You may use the composition containing 0.1 g / L or more of this polyphenol as a composition for the post-process of the chemical conversion film obtained by the normal chemical conversion process. |
| priorityDate | 2007-09-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 189.