http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8993710-B1
Outgoing Links
Predicate | Object |
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cb5b33dab22514f4b25e96afb76bd439 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_230c5c9d495e3bf392ef2b8098e51921 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-1017 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G77-455 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L79-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D209-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D307-89 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-10 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G63-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L79-08 |
filingDate | 2011-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2015-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7c30ad81c030378eabf168a491a79c42 |
publicationDate | 2015-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-8993710-B1 |
titleOfInvention | Polyimides derived from novel asymmetric benzophenone dianhydrides |
abstract | This invention relates to the composition and processes for preparing thermoset polyimides derived from an asymmetric dianhydride, namely 2,3,3′,4′-benzophenone dianhydride (a-BTDA) with at least one diamine, and a monofunctional terminal endcaps. The monofunctional terminating groups include 4-phenylethynylphthalic anhydride ester-acid derivatives, phenylethyl trimellitic anhydride (PETA) and its ester derivatives as well as 3-phenylethynylaniline. The process of polyimide composite comprises impregnating monomer reactants of dianhydride or its ester-acid derivatives, diamine and with monofunctional reactive endcaps into glass, carbon, quartz or synthetic fibers and fabrics, and then stack up into laminates and subsequently heated to between 150-375° C. either at atmosphere or under pressure to promote the curing and crosslinking of the reactive endcaps to form a network of thermoset polyimides. |
isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10065969-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10059682-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2016376285-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106279195-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110872438-A |
priorityDate | 2006-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 407.