http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-2549569-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G73-065 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G73-06 |
| filingDate | 1975-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5419155ac9c81455f9ecaba3dae89837 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_07df406052f2c89aa7b9414ccf192e25 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_29251ad0ef5e1956beaac40f054eb4d7 |
| publicationDate | 1977-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DE-2549569-A1 |
| titleOfInvention | METHOD FOR MANUFACTURING FLAME RESISTANT ELASTIC POLYTRIAZINE |
| abstract | Elastic, flame-resistant P-contg. polytriazines claimed are prepd. by (a) condensing (i) aminophenols or di- or polyphenols having formula (HRN-R')nAr(OH)m (I) (where R is H or alkyl; R' is a covalent bond or opt. substd. alkylene; Ar is an aromatic gp. opt. interrupted by bridge members and n is 0, 1 or 2; m is 1,2,3 or 4, provided sum n+m 2) with (ii) an alkoxy (aroxy) phosphoric acid dihalide (II), opt. in the presence of a base. Mol. ratio (I):(II) is 2.1:1. Prepn. further comprises (b) reacting the free amino- or phenolic OH gps. with halogen cyanide in the presence of a base or base mixt. to form cyanamide - or cyanate ester gps. and (c) polytrimerising prepolymers from (b) at 350 (50-350) esp. 100-250 degrees C. Flame-resistant, high mol. wt. polytriazines obtd. are insoluble in solvents. Prepolymers can be used, either as solns. in inert solvents, or as powders, for coating metals, ceramics or glass or for prodn. of moulded articles or laminates. In organic solvents, prepolymers can be used as impregnating- or laminating resins. In an example, 0.1 mol. phenoxyphosphoryl dichloride and 0.2 mol. 2,2-bis-(4-hydroxyphenoxy)propane was condensed. Condensate was reacted with 0.23 mol. CICN. P-contg. cyanate resin was polymerised with Zn octoate as catalyst. |
| priorityDate | 1975-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 195.