http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-20000033586-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6b4a80ac02f1ecd0e698ec665e9b36b6 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L67-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-78 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-78 |
| filingDate | 1998-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_78194898208e5033062bccb03ee65a73 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_994e35d49f529868d19d99e6693d87cb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6e219782e8ddb131cfcc209bb88280e1 |
| publicationDate | 2000-06-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-20000033586-A |
| titleOfInvention | Manufacturing method of polytrimethylene terephthalate with excellent thermal stability and color |
| abstract | The present invention is a method for condensation polymerization of a product obtained by esterification or transesterification of a bifunctional carboxylic acid with 1,3-propanediol to prepare a polytrimethylene terephthalate, wherein a tetraalkyl titanate compound is used as a reaction catalyst. 0.01 to 0.5 parts by weight based on 100 parts by weight of carboxylic acid are added at the beginning of the esterification reaction or the transesterification reaction and the condensation polymerization reaction, respectively, and the titanium compound is stabilized at the end of the esterification or transesterification reaction or at the beginning of the condensation polymerization reaction. It relates to a method for producing polytrimethylene terephthalate having excellent thermal stability and color by adding 0.01 to 0.5 parts by weight with respect to 100 parts by weight of carboxylic acid. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100537270-B1 |
| priorityDate | 1998-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.