http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-WO2012091114-A1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C12P7-42 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F120-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F2-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-327 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-347 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-377 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F2-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F20-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C57-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-377 |
| filingDate | 2011-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2014-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-WO2012091114-A1 |
| titleOfInvention | Process for producing acrylic acid and / or ester thereof and polymer thereof |
| abstract | The present invention provides a method for producing acrylic acid and / or an ester thereof, which can suppress the clogging of a reaction tube and decrease the activity of a catalyst, and can stably produce high-purity acrylic acid and / or an ester thereof over a long period of time. It is another object of the present invention to provide a method for producing a hydrophilic resin excellent in performance and safety, using acrylic acid and / or its ester with less impurities as a raw material. The present invention is a method for producing acrylic acid and / or an ester thereof from a raw material composition containing hydroxypropionic acid and / or an ester thereof, (a) an evaporation step for vaporizing the raw material composition, and (b) Including a dehydration step of bringing the vaporized raw material composition into contact with a dehydration catalyst, and the hydroxypropionic acid supplied to step (b) with respect to 100% by mass of the total amount of hydroxypropionic acid and / or its ester supplied to step (a) The present invention relates to a method for producing acrylic acid and / or its ester, wherein the total amount of acid and / or its ester is controlled to 70% by mass or more. |
| priorityDate | 2010-12-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 72.