http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0165437-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7ad58d3c0b071069a8ee0cb8c8ba2e8 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2991 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-4825 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-5024 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C263-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-725 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-755 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7621 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-8038 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-7831 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-8019 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-703 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-3206 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C08G18-3234 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08G18-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08L75-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D175-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09D175-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/D06N3-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C14C11-00 |
| filingDate | 1985-05-09^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_95437bf0bcb7394b2d0149b1574df7d4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a4ff1309204ebe4f3ac72708e6275eac http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8dbce56c30cdf6ed8013ed7ba3d25f08 |
| publicationDate | 1985-12-27^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0165437-A1 |
| titleOfInvention | Process for the preparation of solid polyisocyanates having a delayed reactivity, dispersed polyisocyanates enveloped by polymers, and their use |
| abstract | A) feste, feinteilige Polyisocyanate, vorzugsweise dimere Diisocyanate oder Hamstoffdiisocyanate, B) mit Polyisocyanaten anderer Zusammensetzung als A), vorzugsweise (cyclo)aliphatischen Polyisocyanaten wie biuretisierten Diisocyanaten oder Trimerisaten oder NCO-Prepolymeren, nin Mengen von 0,05 bis 50, vorzugsweise 0,2 bis 25 Gew.-Teilen B) pro 100 Gew.-Teilen A), C) gegebenenfalls gelöst oder ölig suspendiert in inerten, wenig polaren organischen Lösungsmitteln, z.B. aliphatischen Kohlenwasserstoffen oder längerkettigen Dialkylethern, Weichmachern oder Polyolen, nvermischt und die an der Oberfläche unter Bedeckung mit Polyisocyanaten B) modifizierten, festen Polyisocyanatteilchen D) durch Umsetzung mit gegenüber Isocyanaten reaktiven Verbindungen, welche reaktive Wasserstoffe aufweisen oder mit Isocyanaten Polymere ergebenden Verbindungen ohne aktive Wasserstoffatome, in unterschüssigen bis etwa äquivalenten Mengen (vorzugsweise 0,5 bis 1,0 Äquivalenten pro NCO-Äquivalent), nunter Ausbildung einer Polymerumhüllung (aus B und D) um die festen Polyisocyanat-Kerne A) zu Fremdpolymer-umhüllten Polyisocyanaten E) retardierter Reaktivität umsetzt.The invention relates to the production of polymer-coated, finely divided polyisocyanates by: A) solid, finely divided polyisocyanates, preferably dimeric diisocyanates or urea diisocyanates, B) with polyisocyanates of a composition other than A), preferably (cyclo) aliphatic polyisocyanates such as biuretized diisocyanates or trimerizates or NCO prepolymers, in amounts of 0.05 to 50, preferably 0.2 to 25 parts by weight B) per 100 parts by weight A), C) optionally dissolved or suspended in oily form in inert, less polar organic solvents, for example aliphatic hydrocarbons or longer-chain dialkyl ethers, plasticizers or polyols, mixed and the solid polyisocyanate particles modified on the surface covered with polyisocyanates B) D) by reaction with compounds which are reactive toward isocyanates and which have reactive hydrogens or with compounds which give polymers with isocyanates and no active hydrogen atoms, in deficient to approximately equivalent amounts (preferably 0.5 to 1.0 equivalent per NCO equivalent), with the formation of a polymer coating (from B and D) around the solid polyisocyanate cores A) to form foreign polymer-coated polyisocyanates E) retarded reactivity.n n n The invention also relates to the polyisocyanate particles covered on the surface of the solid polyisocyanates A) with polyisocyanates B), and in particular to the polymer-coated, finely divided polyisocyanates E) obtained by reaction with D) with retarded reactivity.n n n Another object of the invention is the use of the polyisocyanate-covered and in particular the polymer-coated polyisocyanates E), optionally in suspension in polyols and / or plasticizers, for the production of polyurethane, in particular in PU one-component reactive systems with high storage stability and with an increased thickening point. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0547379-A2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0547379-A3 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-4163314-A1 |
| priorityDate | 1984-05-18^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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