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http://dbpedia.org/ontology/abstract Kationtová polymerizace je druh polymerizaKationtová polymerizace je druh polymerizační reakce, při které kationtový iniciátor přenáší náboj na monomer, který se tak stává reaktivním; tento monomer následně reaguje s ostatními monomery, čímž se utváří polymer. Kationtová polymerace probíhá u alkenů s navázanými skupinamo dodávajícími elektrony a také u heterocyklických sloučenin. Podobně jako u aniontových adičních polymerizací je velmi citlivá na to, jaké rozpouštědlo se použije. Schopnost rozpouštědla tvořit volné ionty totiž určuje reaktivitu během kationtové propagační fáze. Kationtová polymerace se využívá k výrobě polyisobutylenu a poly (PVK).ívá k výrobě polyisobutylenu a poly (PVK). , In chemistry, cationic polymerization is aIn chemistry, cationic polymerization is a type of chain growth polymerization in which a cationic initiator transfers charge to a monomer which then becomes reactive. This reactive monomer goes on to react similarly with other monomers to form a polymer.The types of monomers necessary for cationic polymerization are limited to alkenes with electron-donating substituents and heterocycles. Similar to anionic polymerization reactions, cationic polymerization reactions are very sensitive to the type of solvent used. Specifically, the ability of a solvent to form free ions will dictate the reactivity of the propagating cationic chain.Cationic polymerization is used in the production of polyisobutylene (used in inner tubes) and poly(N-vinylcarbazole) (PVK). IUPAC definition An ionic polymerization in which the kinetic-chain carriers are cations.ch the kinetic-chain carriers are cations. , La polimerizzazione cationica è un tipo diLa polimerizzazione cationica è un tipo di polimerizzazione a catena in cui un iniziatore cationico trasferisce una carica ad un monomero che diventa quindi reattivo. Quest'ultimo reagisce similmente con altri monomeri per formare un polimero. I tipi di monomeri necessari per questa polimerizzazione sono limitati alle sole olefine con sostituenti elettrondonatori e agli eterocicli. Analogamente alla polimerizzazione anionica, questa reazione è molto sensibile al tipo di solvente impiegato. Specificamente, l'abilità del solvente di formare ioni liberi detta la reattività della catena in crescita. Una polimerizzazione cationica è di norma impiegata nella produzione del poliisobutilene (usato nei tubi) e del (PVK).iisobutilene (usato nei tubi) e del (PVK). , Polimerização catiônica é uma forma de polPolimerização catiônica é uma forma de polimerização em cadeia onde o iniciador catiônico transfere carga para o monômero, tornando este reativo. Esse monômero reativo reage de forma semelhante com outros monômeros para formar um polímero. Os tipos de monômeros necessários para a polimerização catiônica são limitados a alcenos com susbtituintes doadores de elétrons e heterociclos. Similar as reações de polimerização aniônica, a polimerização catiônica é muito sensível ao tipo de solvente utilizado. Especificamente, a habilidade do solvente para formar íons livres irá determinar a reatividade da cadeia catiônica. A polimerização catiônica é usada na produção de e , o PVK.atiônica é usada na produção de e , o PVK. , Polimerización catiónica es un tipo de crePolimerización catiónica es un tipo de crecimiento polimerizador en cadena en donde la molécula catiónica iniciadora, transfiere cargas a una unidad monomérica, formando nuevos enlaces, y en consecuencia volviéndose reactiva. Así reacciona con otras unidades monoméricas similares para formar un polímero. Los tipos necesarios de cationes polimerizadores son algo limitados, entre estos se incluyen: alcoxi-, fenil-, vinil-, y monómeros de alqueno sustituidos con 1,1-dialquil. La reacciones de polimerización catiónica, al igual que la polimerización aniónica, es muy sensitiva a los tipos de solventes usados. En específico, la habilidad del solvente para formar especies iónicas marcara la estabilidad de propagación de la cadena catiónica.Esta técnica es usada en la producción de poliisobutileno y poli(N-vinilcarbazol)​e poliisobutileno y poli(N-vinilcarbazol)​ , La polymérisation cationique est un type dLa polymérisation cationique est un type de polymérisation ionique dans lequel le centre actif est de nature cationique (ions libres, liaison polarisée ou paire d'ions). Elle est constituée de l'amorçage, la propagation, éventuellement de transfert et de terminaison. Les monomères concernés sont ceux qui possèdent des groupes électro-donneurs.ui possèdent des groupes électro-donneurs. , 陽離子聚合反應為一種鏈增長聚合反應,反應中陽離子引發劑(cationic initi陽離子聚合反應為一種鏈增長聚合反應,反應中陽離子引發劑(cationic initiator)會將電荷轉移單體,使單體變得有反應性。而這個具反應性單體會與其他單體進行相似的反應,最後形成聚合物。.陽離子聚合反應中的這種單體,必須受具有提供電子取代基(electron-donating substituent)的烯烴(olefins)和雜環(heterocycles)限制。相似於陰離子聚合反應,陽離子聚合反應對反應中所使用的溶劑(solvent)非常敏感,特別是溶劑可形成游離離子(free ions)的能力,此能力決定了增長的陽離子鏈的反應性。陽離子聚合反應用於聚異丁烯(polyisobutylene)的產生(如:丁基橡膠用於輪胎的內胎)和聚N-乙烯基咔唑(N-vinylcarbazole,PVK) IUPAC definition離子聚合反應中的動力鏈攜帶者( kinetic-chain carriers)為陽離子。聚合反應中的動力鏈攜帶者( kinetic-chain carriers)為陽離子。
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http://dbpedia.org/property/caption Range of associations between the carbenium ion and gegen ion
http://dbpedia.org/property/quote An ionic polymerization in which the kinetic-chain carriers are cations.
http://dbpedia.org/property/title IUPAC definition
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rdfs:comment 陽離子聚合反應為一種鏈增長聚合反應,反應中陽離子引發劑(cationic initi陽離子聚合反應為一種鏈增長聚合反應,反應中陽離子引發劑(cationic initiator)會將電荷轉移單體,使單體變得有反應性。而這個具反應性單體會與其他單體進行相似的反應,最後形成聚合物。.陽離子聚合反應中的這種單體,必須受具有提供電子取代基(electron-donating substituent)的烯烴(olefins)和雜環(heterocycles)限制。相似於陰離子聚合反應,陽離子聚合反應對反應中所使用的溶劑(solvent)非常敏感,特別是溶劑可形成游離離子(free ions)的能力,此能力決定了增長的陽離子鏈的反應性。陽離子聚合反應用於聚異丁烯(polyisobutylene)的產生(如:丁基橡膠用於輪胎的內胎)和聚N-乙烯基咔唑(N-vinylcarbazole,PVK) IUPAC definition離子聚合反應中的動力鏈攜帶者( kinetic-chain carriers)為陽離子。聚合反應中的動力鏈攜帶者( kinetic-chain carriers)為陽離子。 , Polimerización catiónica es un tipo de crePolimerización catiónica es un tipo de crecimiento polimerizador en cadena en donde la molécula catiónica iniciadora, transfiere cargas a una unidad monomérica, formando nuevos enlaces, y en consecuencia volviéndose reactiva. Así reacciona con otras unidades monoméricas similares para formar un polímero. Los tipos necesarios de cationes polimerizadores son algo limitados, entre estos se incluyen: alcoxi-, fenil-, vinil-, y monómeros de alqueno sustituidos con 1,1-dialquil. La reacciones de polimerización catiónica, al igual que la polimerización aniónica, es muy sensitiva a los tipos de solventes usados. En específico, la habilidad del solvente para formar especies iónicas marcara la estabilidad de propagación de la cadena catiónica.Esta técnica es usada en la producción de poliisobutileno usada en la producción de poliisobutileno , In chemistry, cationic polymerization is aIn chemistry, cationic polymerization is a type of chain growth polymerization in which a cationic initiator transfers charge to a monomer which then becomes reactive. This reactive monomer goes on to react similarly with other monomers to form a polymer.The types of monomers necessary for cationic polymerization are limited to alkenes with electron-donating substituents and heterocycles. Similar to anionic polymerization reactions, cationic polymerization reactions are very sensitive to the type of solvent used. Specifically, the ability of a solvent to form free ions will dictate the reactivity of the propagating cationic chain.Cationic polymerization is used in the production of polyisobutylene (used in inner tubes) and poly(N-vinylcarbazole) (PVK).r tubes) and poly(N-vinylcarbazole) (PVK). , Kationtová polymerizace je druh polymerizaKationtová polymerizace je druh polymerizační reakce, při které kationtový iniciátor přenáší náboj na monomer, který se tak stává reaktivním; tento monomer následně reaguje s ostatními monomery, čímž se utváří polymer. Kationtová polymerace probíhá u alkenů s navázanými skupinamo dodávajícími elektrony a také u heterocyklických sloučenin. Podobně jako u aniontových adičních polymerizací je velmi citlivá na to, jaké rozpouštědlo se použije. Schopnost rozpouštědla tvořit volné ionty totiž určuje reaktivitu během kationtové propagační fáze.aktivitu během kationtové propagační fáze. , Polimerização catiônica é uma forma de polPolimerização catiônica é uma forma de polimerização em cadeia onde o iniciador catiônico transfere carga para o monômero, tornando este reativo. Esse monômero reativo reage de forma semelhante com outros monômeros para formar um polímero. Os tipos de monômeros necessários para a polimerização catiônica são limitados a alcenos com susbtituintes doadores de elétrons e heterociclos. Similar as reações de polimerização aniônica, a polimerização catiônica é muito sensível ao tipo de solvente utilizado. Especificamente, a habilidade do solvente para formar íons livres irá determinar a reatividade da cadeia catiônica. A polimerização catiônica é usada na produção de e , o PVK.atiônica é usada na produção de e , o PVK. , La polimerizzazione cationica è un tipo diLa polimerizzazione cationica è un tipo di polimerizzazione a catena in cui un iniziatore cationico trasferisce una carica ad un monomero che diventa quindi reattivo. Quest'ultimo reagisce similmente con altri monomeri per formare un polimero. Una polimerizzazione cationica è di norma impiegata nella produzione del poliisobutilene (usato nei tubi) e del (PVK).iisobutilene (usato nei tubi) e del (PVK). , La polymérisation cationique est un type dLa polymérisation cationique est un type de polymérisation ionique dans lequel le centre actif est de nature cationique (ions libres, liaison polarisée ou paire d'ions). Elle est constituée de l'amorçage, la propagation, éventuellement de transfert et de terminaison. Les monomères concernés sont ceux qui possèdent des groupes électro-donneurs.ui possèdent des groupes électro-donneurs.
rdfs:label Polimerizzazione cationica , Polimerização catiônica , 陽離子聚合反應 , Kationische Kettenpolymerisation , Polimerización catiónica , Kationtová polymerizace , Polymérisation cationique , Cationic polymerization
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