http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2020354317-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9e1bf06f55de84b78abc9a057807f7eb |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-448 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-448 |
| filingDate | 2020-07-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_085fd38e00ce3427f8f97331d0c57fe7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_616f19fc0797f765447538db219542eb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c51c23114776148e9e0e9eb146081591 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ea67e8c7687593c0396d595913bafb33 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_881af9d1e4435b177a53853dc4bdbdd0 |
| publicationDate | 2020-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2020354317-A1 |
| titleOfInvention | Bismaleimide modified product and method for producing the same |
| abstract | An object of the present invention is to provide a bismaleimide (D-BMI) modified product in which an amino group of dimer diamine (DDA) is maleimidized, which has the good heat resistance, and has the sufficiently enhanced processability, and a method for producing the same. There are provided: n <1> A bismaleimide (D-BMI) modified product in which an amino group of dimer diamine is maleimidized, the bismaleimide modified product having the following characteristics:n 1) An acid value of the D-BMI modified product is 2 mg-KOH/g or less. 2) In 1 H-NMR, when quantitative comparison is performed using an integrated value (A) of a peak corresponding to a proton of a methylene group directly bound to a nitrogen atom of a maleimide group and an integrated value (B) of a peak corresponding to a vinyl proton of a maleimide group, A/B is 1.25 or more and 2.00 or less. nn <2> A method for producing D-BMI, the method including the following steps:n 1) A step of preparing a crude D-BMI solution having an acid value of more than 2 mg-KOH/g. 2) A step of lowering an acid value of D-BMI to 2 mg-KOH/g or less by reacting an acid component in the solution with a carbodiimide compound. 3) A step of reacting the solution without a catalyst at 110 to 200° C. in a solvent. |
| priorityDate | 2017-06-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 111.