http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1406791-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1374dd16777534b65ad4422333245af8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/D06M13-127 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L61-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L77-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J7-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01F6-88 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D01D5-10 |
| filingDate | 1972-08-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1975-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1406791-A |
| titleOfInvention | Fibres |
| abstract | 1406791 Fibres TEIJIN Ltd 7 Aug 1972 [7 Aug 1971 20 Sept 1971 9 Nov 1971 28 Feb 1972] 36729/72 Heading C3R [Also in Division B5] Flame-resistant fibres are prepared by meltspinning a composition comprising 60 to 90% by weight of a fusible, curable novolac-type phenolic resin and 10 to 40% by weight of a fibre-forming polyamide. The melt-spun fibres are then cured with formaldehyde in the presence of an acid catalyst to give infusible fibres. The composition may comprise CuCl 2 or 2,6- t-butyl-p-cresol as stabilizer. The novolac resin may be modified to give a phosphorus content of 0À5% by weight, based on the total composition, by reaction with a phosphoric acid triester in the presence of the polyamide before spinning. The triester has the general formula where R 1 , R 2 , and R 3 may be the same or different and represent phenyl groups optionally substituted with halogen or alkyl groups. The reaction gives a product in which 0À8 to 1À5 equivalents of the ester groups of the phosphoric acid triester are ester interchanged. The cured fibres may be further fire-proofed by treatment with at least one polyhalogeno compound having at least two halogen atoms directly linked to an atom of P, S, Si, B, or Ti. The examples illustrate the use of nylon-6, nylon 6,6 and polymetaxylylene adipamide as polyamides and phenol-formaldehyde mixed cresol- and m-cresol-formaldehyde as novolac resins. In Example 5 the phenol-formaldehyde resin is treated with diphenyl phosphorochloridate before spinning and in Example 6 the novolac is ester-exchanged with triphenyl phosphate in the presence of the polyamide. In Example 7, the novolac is reacted, in the presence of the polyamide, with triphenyl phosphate, tricresyl phosphate, tri-p-chlorophenyl phosphate and tri-o-chlorophenyl phosphate. |
| priorityDate | 1971-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.