| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F11-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F6-62
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01D5-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F6-84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H13-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D21H13-40 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F6-84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F11-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H13-40
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D21H13-24
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01D5-12 |
| filingDate |
1989-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5f74590065f4e8b21c6a9834da403abf
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_092d5b711aaff832053cfbe158f9bb84
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2cb2585ad06f9cbe7288452ede2a1811 |
| publicationDate |
1990-11-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0396771-A1 |
| titleOfInvention |
Wet-process nonwoven fabric and ultrafine polyester fibers therefor |
| abstract |
Polyester fibres (A) are obtained by melt-spinning a copolyester (1) to obtain a non-stretched filament and flow-stretching it with a draw ratio of 5 or more. The single yarn fineness of (A) is 1 denier V or less. (preferred 0.5 denier V or less).The intrinsic viscosity of (1) lies between 0.35 and 0.50. (1) contains a sodium 5-sulfonic isophthalate (0.5 - 7 mol.%) and an isophthalic acid (0.5 - 10 mol.%). (1) has main repeating units of ethylene terephthalate. Polyester fibres (B) are obtained by neck-stretching (A) and are 1.05 times or more than fibres (A). Polyester fibres (C) are obtained by subjecting fibres (B) to a limited shrinkage treatment with 2 - 40% shrinkage under wet-heated conditions. The flow-stretching process is carried out on the melt-spun polyester which is made from a 0.02-5 wt.% block polymer polyester. The cross-section of fibres (A) is an abnormal shape with surface projections. A wet-nonwoven fabric is obtained by cutting at least one of these fibres (A), (B) and (C) to 15mm or less and, if necessary, compounding them (10 wt.% or more) with other fibres such as wood pulp, glass fibres, normal polyester fibres and making a sheet using a wet weaving process. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9598802-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9617685-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9273417-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9175440-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2012145143-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8840758-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8691130-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8840757-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2012138552-A3
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9303357-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8906200-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8871052-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9605126-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8882963-B2 |
| priorityDate |
1988-10-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |