http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-951025-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1e70c0aeade92d7571d955d3b90ea06e |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08L23-0869 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F220-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F10-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F10-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L23-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F220-44 |
| filingDate | 1962-06-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1964-03-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-951025-A |
| titleOfInvention | Improvements relating to copolymers of ethylene and acrylonitrile |
| abstract | An elastomeric copolymer consisting of 1.7 to 5 molar proportions of structural units derived from ethylene and 1.0 molar proportion of structural units derived from acrylonitrile of which not more than one-tenth molar proportion may be replaced by structural units derived from one or more compounds of formula <FORM:0951025/C3/1> in which R is hydrogen or a methyl radical and R1 is -COOH, -CONH2, -COOCH2.CH2OH, <FORM:0951025/C3/2> , -COOCH2.CH=CH2, -COOCH2CH2Cl or -CONH.CH2.CH=CH2, is prepared by copolymerizing ethylene with the other comonomer or comonomers in the presence of a free radical catalyst at a temperature between 20 DEG and 200 DEG C. and under a pressure of at least 900 atmospheres in the absence of oxygen. Monomers of the formula <FORM:0951025/C3/3> mentioned are acrylic and methacrylic acid, acrylamide and methacrylamide, b -hydroxyethylacrylate and -methacrylate, glycidyl acrylate and methacrylate, allyl acrylate and methacrylate, b -chloroethyl-acrylate and methacrylate, N-allyl methacrylamide and acrylamide. The preferred catalyst is azodicyclohexane carbonitrile, but others listed are trichloroacetyl peroxide; heptafluorobutyryl peroxide; a , a 1-azobis(a ,g ,g ,-trimethyl valeronitrile); a ,a 1-azobis(a ,g -dimethyl-valeronitrile); lauroyl, benzoyl and acetyl peroxides; a ,a 1-azodiisobutyronitrile; ammonium and potassium persulphates; t-butylperacetate; di-t-butyl peroxy dicarbonate; potassium azodisulphonate; 2-21-azobis(2-methylpropionitrile) and 2-21-azobis(2,21-methylvaleronitrile). A bulk process may be used for the copolymerization or it may be carried out in water or in an inert solvent e.g. methyl or t-butyl formate, t-butylalcohol, benzene and methyl acetate. The copolymers can be cured by heating with a free radical generator, many of which are specified, together, if desired, with a free radical acceptor such as a N-substituted maleimide, an N,N1-substituted bismaleimide, an N,N1-substituted bisacrylamide, a cyclic triacryloylhexahydrotriazine, or mixtures thereof. Compounding agents may be incorporated in the copolymers, (many are mentioned). In the examples the copolymers prepared are ethylene/acrylonitrile, ethylene/acrylonitrile/allyl acrylate and ethylene/acrylonitrile/allyl methacrylate having inherent viscosities from 0.24 to 0.93. In two of the examples ethylene/acrylonitrile copolymers were compounded with (a) furnace black, dicumyl peroxide, CaCo3 and phenylenediamine bismaleimide or (b) furnace black, CaCo3, phenylenediamine bismaleimide and 2,5-bis(t-butylperoxy)-2,5-dimethyl hexane. The copolymers can be used in the preparation of tyres, inner tubes, belts, tubing, wire and cable jackets, footwear, sponges, coated fabrics and other coated or moulded articles. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3717615-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8084564-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3326870-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2105451-A3 |
| priorityDate | 1961-06-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 92.