http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5055546-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-605 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-682 |
| filingDate | 1989-10-30^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1991-10-08^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d4bfd6717ab1e6f7ab8bb73ea1b24fcb http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_77a17f57cf6f4080136f9f83472f0a85 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_93ecc27bde689a10896c1e31ef547969 |
| publicationDate | 1991-10-08^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-5055546-A |
| titleOfInvention | Process for producing aromatic polyesters |
| abstract | An aromatic polyester superior in heat resistance and melt-moldability is obtained by carrying out the polycondensation reaction with n Component A consisting of at least one compound having the formula, ##STR1## wherein R 1 is hydrogen, formyl, acetyl, propionyl or benzoyl, and R 2 is hydrogen, a C 1 -C 6 alkyl or a C 6 -C 18 aryl, or a mixture containing not less than 50% by mole of said compound, n Component B consisting of at least one compound having any one of the formulas, ##STR2## wherein R 3 is hydroxyl, a C 1 -C 6 alkyloxy, a C 6 -C 18 aryloxy or halogen, or a mixture containing not less than 50% by mole of said compound, and n Component C consisting of at least one compound having the formula, n n R.sub.4 O--A.sub.1 --OR.sub.4 n n wherein A 1 is a divalent aromatic residue, and R 4 is hydrogen, acetyl, propionyl or benzoyl n in a reaction vessel at a temperature of 270° C. to 380° C. until the flow temperature of the produced aromatic polyester reaches a temperature of 240° C. or higher. n The aromatic polyester obtained by the process of the present invention can be used molded into various forms such as fiber, film, etc. In addition, compositions comprising this aromatic polyester and fillers can be used in machine parts, electric and electronic parts and automobile parts because of their excellent mechanical properties, electric properties, chemical resistance and oil resistance. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1081173-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5179192-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-1081173-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6528164-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6666990-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6132884-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5250654-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6222000-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6207790-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6656578-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6294640-B1 |
| priorityDate | 1988-11-04^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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