http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-2019053273-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b55c349b43c3ecba4977fd52cc8f8c67 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B5-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C61-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C55-06 |
| filingDate | 2018-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c0b4203953e6390d0cc4d881e77ef096 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ebd27983a635da5894f605e2fd3ad3d |
| publicationDate | 2019-04-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-2019053273-A |
| titleOfInvention | Manufacturing method of polarizing film |
| abstract | A method of manufacturing a polarizing film having excellent optical characteristics is provided. The method for producing a polarizing film of the present invention comprises forming a polyvinyl alcohol resin layer containing a halide and a polyvinyl alcohol resin on one side of a long thermoplastic resin substrate to form a laminate. And, in this order, the laminate is subjected to an air-assisted stretching process, a dyeing process, an underwater stretching process, and a drying shrinking process in which the film is contracted by 2% or more in the width direction by heating while being conveyed in the longitudinal direction. including that. The polarizing film thus obtained is composed of a polyvinyl alcohol-based resin film containing iodine, has a thickness of 8 μm or less, and a ratio of the orthogonal absorbance A 550 at a wavelength of 550 nm and the orthogonal absorbance A 210 at a wavelength of 210 nm ( a 550 / a 210) is 1.4 or more. [Selection] Figure 1 |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2021205840-A1 |
| priorityDate | 2018-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 55.