http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S61241128-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29L7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29K67-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J5-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B29C55-14 |
| filingDate | 1985-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cc63c9a231763d9144a4600e4247599c http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ccc75c1d7b48fa436013ab6b74af230e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_538de2288d97683c000cbf966fa02eff |
| publicationDate | 1986-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S61241128-A |
| titleOfInvention | Manufacture of biaxially oriented polyethylene terephthalate film |
| abstract | PURPOSE:To obtain a biaxially oriented polyethylene terephthalate (PET) film with higher mechanical strength and Young's modulus by a method wherein an unstretched and amorphous filmy PeT is longitudinally stretched through at least two stages and, after that, laterally stretched and further subjected to thermosetting. CONSTITUTION:Firstly, PET polymer is fully dried. Secondly, the dried PET polymer is molten and extruded with an extruder through a filter and a mouth piece so as to be cast onto a rotary drum in order to be quenched and solidified. Thirdly, the resultant film is longitudinally stretched in the first stage at the orienting temperature of 120-150 deg.C so as to realize DELTAn of 0.005-0.025 at the draw-ratio exceeding yield point. (The obtained film is an A film.) The A film is longitudinally stretched in the second stage at 60-110 deg.C. (The obtained film is a B film.) The B film is laterally stretched in the daw-ratio of 430% or more at 70-120 deg.C. Finally, the resultant film is set thermally and taken up. |
| priorityDate | 1985-04-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.