| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a4a79e7a430c13bb7100c57192b1948d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_351c5b6d7a00d1dbb51b15d8e5da44b3 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2375-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2985
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2982
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08K7-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J2203-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G2110-0025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2987 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J13-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J13-185
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L75-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08J9-32 |
| classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08K7-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G101-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L101-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K3-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L75-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J9-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J13-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J13-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-00 |
| filingDate |
2002-05-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_42916299729d111471ba4be5190e1f92
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_243c67635ff48b9c730ae35e7b9b87d8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_36d91d58d77f971fdd1d8d5282ec5f18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e8eb7c203bfd1808244ea798684cdaae
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cbebb1082238af1b28e0a2d05e3ce214 |
| publicationDate |
2004-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1401639-A1 |
| titleOfInvention |
Expandable microspheres for foam insulation and methods |
| abstract |
Hollow thermoexpandable particles or microspheres are provided that contain hydrocarbon blowing agents and have a shell polymer that can be softened at the onset of the expansion temperature and solidified at a higher temperature (thermoset) in an expanded state. Preferably, the microspheres have a shell of thermally expandable and thermally crosslinkable polymer and a hollow interior that contains a hydrocarbon liquid that boils at a temperature below the heat activated crosslinking temperature of the polymer shell. The crosslinking of the shell polymer during or after expansion, which is heat activated at an elevated temperature, can solidify the shell polymer and, then, maintain the expanded volume of the microspheres. The thermoexpandable thermoset polymer particles are useful in insulation, packaging, for making foam materials such as polyurethane or polyisocyanurate rigid foams. The invented thermoset microspheres can substantially improve the close cell percentage and compressive strength of the foam materials and make the foam manufacturing less hazardous. |
| priorityDate |
2001-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |