| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R2307-201
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09J2203-326
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L2205-025
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-1808
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09J2301-312
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-1804
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R2307-025 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L33-064
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09J133-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R9-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R7-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R7-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04R9-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R9-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L33-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H04R9-06 |
| filingDate |
2019-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2022-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2022-11-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-112745614-B |
| titleOfInvention |
Acrylic damping glue and sound membrane for speakers |
| abstract |
The present invention provides an acrylic damping adhesive. The acrylic damping adhesive comprises a carboxyl group-containing acrylic polymer with a glass transition temperature of less than or equal to -20°C and an acrylic polymer with a glass transition temperature in the range of 20°C - 50°C. Cross-linked structure of carboxyl-based acrylic polymers. The acrylic damping adhesive according to the technical solution of the present invention exhibits double damping peaks in the rheological curve, and thus has a wider damping temperature range (the damping temperature range is greater than or equal to 50°C, preferably greater than or equal to 90°C) and a relatively wide damping temperature range. High damping response with frequency and high system stability. |
| priorityDate |
2019-10-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |