http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1376756-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_14b02369b953bf4ebd31190c8cb63473 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L77-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L75-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L23-00 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L61-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D01F6-94 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L23-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L75-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L77-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F6-94 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L61-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L61-06 |
| filingDate | 1972-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1974-12-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1376756-A |
| titleOfInvention | Flameresistant filaments |
| abstract | 1376756 Flame-resistant filaments KANEBO Ltd 9 March 1972 [9 March 1971] 11028/72 Heading B5B [Also in Division C3] A filament comprises (A) a cured novolac resin or a resin obtained by curing a mixture of a novolac resin and a resol resin containing at least 50% by weight of a novolac resin and (B) a fibre-forming thermoplastic synthetic resin in an amount of less than 60% by weight but not less than 0À1% by weight based on the total weight of the resins, said thermoplastic resin being a polyamide, polyester, polyesterether, polyolefin or polyurethane resin or a mixture of two or more such resins. The amount of thermoplastic resin may be 0À5-50% by weight based on the total weight of the cured and thermoplastic resins, preferably 1-40% and especially 5 to 30%. Novolac resins exemplified are condensation products of phenol, m-cresol, p-cresol, and a phenol-p-cresol mixture with formaldehyde, trioxane and tetraoxane, and thermoplastic resins exemplified include nylon-6, nylon 12, nylon 611, polyethylene oxybenzoate, and a polyurethane made by polymerization of toluylene diisocyanate and polyethylene adipate. Such filaments may be made by melt-spinning a mixture of an uncured resin curable to component (A) above and a fibre-forming thermoplastic synthetic resin listed at (B) above in the stated proportions and then curing novolac resin in the filament so made with a curing agent in the presence of a basic catalyst. Curing may be effected at from room temperature to 250‹ C. and the filament may be drawn, suitably up to a draw ratio of 2À5, before and/or after curing. Specified curing agents include formaldehyde, paraformaldehyde, hexamethylenetetramine, furfural, chloral, glyoxal, trioxane, tetraoxane and polyoxymethylene; hexamethylenetetramine may be added to the molten mixture to be melt-spun in an amount of up to 5% by weight of the uncured novolac resin to induce partial curing. Specified basic catalysts include ammonia, ammonium hydroxide, sodium hydroxide, potassium hydroxide and hexamethylenetetramine. The melt-spun filament may be immersed in, or run through, a bath containing the curing agent and basic catalyst at from room temperature to 45‹ C., preferably 10‹ to 40‹C., and heat-cured at 60‹ to 140‹ C., preferably 70‹ to 130‹ C., or sprayed or fumed therewith. A preferred curing agent liquid is a 5 to 40%, preferably 15-30%, aqueous solution of formaldehyde adjusted to pH 8 to 13, especially 8À5 to 11 by the addition of basic catalyst. Alternatively the filament is cured by heating in a mixed bath of hexamethylenetetramine and n-paraffinic hydrocarbon at 50‹ to 150‹ C. Filaments so made show enhanced flameresistant and antifusing properties. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8029588-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0220668-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8366797-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9435056-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2013044014-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9718012-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10640891-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2758569-A4 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0220668-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6743273-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114574996-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11479882-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9587328-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8118901-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10300415-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8709118-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10967315-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10272374-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8512431-B2 |
| priorityDate | 1971-03-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 74.