http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-6992144-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G2-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G2-18 |
| filingDate | 2020-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-6992144-B1 |
| titleOfInvention | Method for producing polyacetal copolymer |
| abstract | PROBLEM TO BE SOLVED: To provide a method for producing a polyacetal copolymer, which improves the appearance of a molded product made of a polyacetal copolymer and has a small variation among products without making any special equipment change in the current manufacturing process. .. SOLUTION: Trioxane is a main monomer (a), cyclic formal having at least one carbon-carbon bond is a comonomer (b), and at least one polymerization initiator (c) selected from protonic acid and Lewis acid. In addition, it is a method for continuously producing a polyacetal copolymer using the molecular weight adjusting agent (d), in which the supply amount of the molecular weight adjusting agent (d) is periodically changed and supplied, and the variable 1 A method for producing a polyacetal copolymer having a P / T of 0.3 to 3, when the period time is P minutes and the average residence time in the polymerization reaction apparatus is T minutes. [Selection diagram] Fig. 1 |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-7322223-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2023171315-A1 |
| priorityDate | 2020-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 51.