http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0481408-A2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08F283-006 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F283-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08F8-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08J5-18 |
| filingDate | 1991-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_13fb1d39ab44a0ed6f5c2bc1763184c4 |
| publicationDate | 1992-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0481408-A2 |
| titleOfInvention | Graftpolymers based on grafted polyurethanes which contains carboxylic groups, process for their production and their use |
| abstract | Graft polymers containing carboxyl groups, in which vinyl carboxylates and, if appropriate, further ethylenically unsaturated monomers are grafted polymerically onto polyurethane graft bases containing carboxyl groups by means of radical-initiated graft polymerization, and saponification products and salts of these graft polymers containing carboxyl groups can be obtained by containing the original graft group containing carboxyl groups , Carboxylic acid vinyl esters with 3 to 20 carbon atoms and optionally further ethylenically unsaturated polymerizable monomers, which are optionally copolymerizable, in amounts of preferably 10 to 95% by weight, based on the carboxyl group-containing graft polymer, by graft polymerization initiated by free radicals and optionally subsequently in the grafted polymer residues of the graft polymers, the vinyl ester units and optionally further ones Saponifiable monomer units are partially or completely saponified by hydrolysis and / or alcoholysis or the carboxyl groups are converted into salts. Vinyl esters which are preferably grafted on are vinyl acetate and / or vinyl propionate and, if appropriate, vinyl versatic acid. n n n The graft polymerization is preferably carried out in solution or in bulk.n n n Unsaponified graft polymers are suitable, inter alia. as an adhesive, in particular as a hot melt adhesive, and in its water-soluble or water-dispersible salt forms as a dispersant. Fully and partially saponified graft polymers are suitable, inter alia. for the production of foils. Depending on the carboxyl group content of the polyurethane graft base, the degree of grafting, the degree of hydrolysis and the type of grafted monomers, the graft polymers, compared to polyvinyl alcohol, have significantly improved solubilities in aqueous alkaline media and lower melting points, so that they are advantageous for the production of pressed and extrusion films under mild Temperature conditions without the use of organic plasticizers are suitable. Saponified graft polymers are suitable, inter alia, also as adhesives, as dispersants in aqueous alkaline media and as sizing agents and lubricants in textile processing. |
| priorityDate | 1990-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 137.