http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-2876266-T3
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e0bf0928b608797b70bbc2b91c7e52e |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D10B2331-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F1-04 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F6-84 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K5-29 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-183 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G63-181 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F6-92 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-181 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F6-92 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-685 |
| filingDate | 2018-05-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_89425fe25d45228d0f8238277e450c75 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ad81c96a6682be3d8aaa6094b2a331cc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_303ef43ee8643675286903213e45b0a1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_086cbb3893cbe2c1a7e4b3029098dfda |
| publicationDate | 2021-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-2876266-T3 |
| titleOfInvention | Aliphatic-aromatic polyester with high Whiteness Degree Index |
| abstract | Aliphatic-aromatic polyester obtainable by condensation of at least components (A), (B), (C) and optionally (D): (A) 40 to 70 mol %, based on components (A) and (B) of adipic acid and/or at least one adipic acid derivative, (B) 30 to 60 mol %, based on components (A) and (B), of at least one 1,ω-dicarboxylic acid aromatic and/or at least one 1,ω dicarboxylic acid derivative, (C) 98 to 102 mol %, based on components (A) and (B), of at least one aliphatic 1,ω diol, and ( D) 0 to 5% by weight, based on the total weight of components (A) to (C), of at least one chain-extending agent, characterized in that the aliphatic-aromatic polyester exhibits a Whiteness Degree Index, according to ASTM E 313-73, of at least 25, and the condensation comprises the four steps i) to iv): i) a continuous esterification, ii) a pre-condensation, iii) a post-condensation and iv) a polyaddition reaction , in which to the product of pre condensation obtained in the second stage, after stage ii) of the process and before and/or during stage iii), 0.03 to 0.04% by weight of a phosphorus compound is added, based on the total weight of the product of precondensation. |
| priorityDate | 2017-05-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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