http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102643490-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4c8fb4137e47316b9327eb0febe6c842 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29L7-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C47-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J9-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C44-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L25-06 |
| filingDate | 2012-05-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2014-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ffa1745c5a6bb62f2b055fedb3a8201e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f572c218097f2101a51b73f78c9116f8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3c7871fd5174d7a1bf36153bb7df438e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5eec4efd1abc36bcdb08b708df156340 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_223712ef9dc4007d6869708b373727d2 |
| publicationDate | 2014-04-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102643490-B |
| titleOfInvention | Polystyrene resin foam board and manufacturing method thereof |
| abstract | The invention relates to a polystyrene resin foam board which is prepared by the following steps: preparing a compound polystyrene resin as a base, and a bubble nucleating agent, an antioxidant and a flame retardant as auxiliary materials into a polystyrene resin composition; and manufacturing the polystyrene resin foam board in an extrusion foaming device by an extrusion foaming method by using an supercritical CO2 foaming agent. The compound polystyrene resin is compounded from general purpose polystyrene which is obtained by mass polymerization and high-molecular-weight polystyrene in a mass ratio of 90:10-20:80, wherein the weight average molecular weight Mw of the general purpose polystyrene is 1.5-3.5*10<5>, the weight average molecular weight of the high-molecular-weight polystyrene is 4.5-7.5*10<5>, and the molecular weight distribution indexes Mw/Mn of the two polystyrenes are respectively less than or equal to 4. The foaming ratio of the polystyrene resin foam board is greater than 30 times, the open pore content is lower than 20%, the thickness exceeds 15cm, and the sectional area is greater than 1800cm<2>. The polystyrene resin foam board provided by the invention can be directly used in the fields of thermal insulation of building external walls, high-speed train roadbeds, runway roadbeds, airplane hangars, parking apron foundations and the like. |
| priorityDate | 2012-05-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 151.