http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2190910-B1
Outgoing Links
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assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_26c475bcbe0c24b485b6f37c45cd921f |
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classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L53-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L53-025 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L23-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G10K11-162 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B62D29-002 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L23-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G10K11-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J9-06 |
filingDate | 2007-09-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2011-02-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_80099cef07b28f730c0d5a6a7fe4b919 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_231bf193ff7410a70fbedd11475fe4bc http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b84fcd07938c3a24c60f1ac9e58ae789 |
publicationDate | 2011-02-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | EP-2190910-B1 |
titleOfInvention | Highly damping expandable material and devices |
abstract | A thermally expandable material comprising: a) from 3 to 40 % by weight of a first thermoplastic elastomer having a first glass transition temperature, b) from 3 to 40 % by weight of a second thermoplastic elastomer having a second glass transition temperature, wherein the first and the second glass transition temperature differ by at least 10 °C c) from 5 to 50 % by weight of at least one thermoplastic polymer selected from the group consisting of polymers and copolymers with at least one polymerizable C = C double bond, d) from 0 to 30% by weight of at least one tackifying resin, e) at least one latent chemical blowing agent in an amount effective to cause the expandable material to expand at least 50 % in volume when heated at a temperature of 150 °C for at least 20 minutes, wherein the sum of components a) to e) is less than 100 % by weight, and the remainder to 100 % by weight is made up of further components or adjuvants. Preferably, the material comprises: a first thermoplastic elastomer which has a glass transition temperature in the range from -25 to 0.0 °C, a second thermoplastic elastomer which has a glass transition temperature in the range from 0.1 to 30 °C, at least one thermoplastic polymer c) selected from the group consisting of ethylene/vinyl acetate copolymers and ethylene/methyl acrylate copolymers, at least one latent chemical blowing agent, at least one curing agent based on sulfur and/or sulfur compounds. The material can be used for various sound-dampening applications like dissipative vibratory wave barriers, sound dampening of automotive closure panel assemblies, cavity filler inserts, and constrained layer damping structures. |
priorityDate | 2007-09-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 185.