http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111187377-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F222-1006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F218-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G02C7-102 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02C7-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F222-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F222-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F218-08 |
| filingDate | 2020-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-08-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-08-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111187377-B |
| titleOfInvention | Photochromic resin lens with refractive index of 1.50 and preparation method thereof |
| abstract | The invention discloses a photochromic resin lens with a refractive index of 1.50 and a preparation method thereof, wherein the lens comprises a resin monomer, a photochromic organic substance, an initiator, an antioxidant and a light stabilizer, and the mass ratio of the resin monomer to the photochromic organic substance is 100: 0.01-0.1: 1-10: 0.1-0.9: 0.1 to 0.9; the resin monomer is a mixture of monofunctional acrylate, difunctional acrylate and tetrafunctional acrylate, and the mass ratio of the monofunctional acrylate to the tetrafunctional acrylate is 10-80: 10-50: 10 to 50. The invention can prepare the low-refractive-index color-changing resin lens with the refractive index of 1.50 and the Abbe coefficient of 58. The lens does not contain toxic raw materials, is safer and more environment-friendly to wear and produce, and has high Abbe number, clear imaging, high visible light transmittance and high product qualification rate; the visible light transmittance under the irradiation of ultraviolet light is lower than 20 percent, the color is dark, and the color change effect is good. |
| priorityDate | 2020-02-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 76.