http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S62195003-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2f8cfa5aee4410611b5c562275c9f8e3 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-32 |
| filingDate | 1986-02-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3fd51aa7f83ada071af5bc2a0c8de6b5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6ed8e6f0e7ce43e3afa059f6534dc8a8 |
| publicationDate | 1987-08-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S62195003-A |
| titleOfInvention | Production of thermoplastic resin |
| abstract | PURPOSE: To obtain the titled resin having improved heat resistance and thermal decomposition stability, by imidating a copolymer resin consisting of an aromatic vinyl monomer and an aliphatic dicarboxylic acid anhydride by the use of a specific catalyst by a specific step temperature raising method. n CONSTITUTION: Firstly, 50W95pts.wt. aromatic vinyl monomer is used with 5W40pts.wt. aliphatic dicarboxylic acid anhydride and 0W30pts.wt. vinyl monomer copolymerizable with them to give a copolymer resin having ≥0.5 intrinsic viscosity [η] in methyl ethyl ketone at 30°C. Then, the resin is reacted with a primary amine by the use of an alicyclic tertiary amine of steric hindrance (e.g., 1,8-diazabicyclo[5,4,0]-7-undecene, etc.,) as a catalyst at 30W100°C for 1W5hr and subjected to ring formation reaction. A formed intermediate is successively subjected to ring closure reaction reaction through dehydration at 120W200°C for 3W10hr and ≥90mol% alicyclic dicarboxylic acid anhydride group is converted into imide group by a step temperature raising method to give the aimed resin. n COPYRIGHT: (C)1987,JPO&Japio |
| priorityDate | 1986-02-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 17.