{"id":42,"date":"2024-05-10T17:26:48","date_gmt":"2024-05-10T09:26:48","guid":{"rendered":"https:\/\/aluminaceramics.net\/?p=42"},"modified":"2024-07-15T20:33:29","modified_gmt":"2024-07-15T12:33:29","slug":"trihydrat-oxidu-hliniteho","status":"publish","type":"post","link":"https:\/\/aluminaceramics.net\/cs\/alumina-trihydrate\/","title":{"rendered":"Trihydr\u00e1t oxidu hlinit\u00e9ho"},"content":{"rendered":"<p>Trihydr\u00e1t oxidu hlinit\u00e9ho (ATH) je plnidlo a roz\u0161i\u0159uj\u00edc\u00ed pigment pro barvy, kter\u00fd pom\u00e1h\u00e1 zvy\u0161ovat kryvost a z\u00e1rove\u0148 zaji\u0161\u0165uje vynikaj\u00edc\u00ed odolnost proti vod\u011b. K dispozici v r\u016fzn\u00fdch form\u00e1ch a velikostech \u010d\u00e1stic.<\/p>\n<p>Studie chronick\u00fdch karcinogenn\u00edch a reproduk\u010dn\u00edch \u00fa\u010dink\u016f trihydr\u00e1tu hlinit\u00e9ho neexistuj\u00ed, p\u0159esto byly jeho indexy nebezpe\u010dnosti pro v\u0161echny zp\u016fsoby expozice (derm\u00e1ln\u00ed, inhala\u010dn\u00ed a or\u00e1ln\u00ed) stanoveny jako n\u00edzk\u00e9 podle konzervativn\u00edch p\u0159edpoklad\u016f podv\u00fdboru.<\/p>\n<h2>Jedn\u00e1 se o formu hlin\u00edku<\/h2>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho (ATH), \u010dast\u011bji ozna\u010dovan\u00fd jako b\u00edl\u00e1 pevn\u00e1 pr\u00e1\u0161kovit\u00e1 l\u00e1tka, se pou\u017e\u00edv\u00e1 jako plnivo a zpomalova\u010d ho\u0159en\u00ed v mnoha v\u00fdrobc\u00edch, jako jsou antacida a kosmetika, a tak\u00e9 jako zpomalova\u010d ho\u0159en\u00ed a materi\u00e1l pro potahov\u00e1n\u00ed pap\u00edru. Trihydr\u00e1t oxidu hlinit\u00e9ho je bez z\u00e1pachu a chuti, s morfologi\u00ed \u010d\u00e1stic ve tvaru \u0161estihrann\u00fdch desti\u010dek, a lze jej nal\u00e9zt tak\u00e9 jako slo\u017eku pou\u017e\u00edvanou pro \u00fa\u010dely potahov\u00e1n\u00ed pap\u00edru nebo jako plnivo. ATH lze nal\u00e9zt bez z\u00e1pachu a chuti v r\u016fzn\u00fdch aplikac\u00edch, jako je plnivo, plnivo pro zpomalova\u010de ho\u0159en\u00ed, zpomalova\u010de ho\u0159en\u00ed a n\u00e1t\u011brov\u00e9 hmoty na pap\u00edr a mnoho dal\u0161\u00edch. Jeho pou\u017eit\u00ed ve v\u00fdrobc\u00edch m\u016f\u017ee sahat od antiacid a kosmetiky a\u017e po plnidla zpomalova\u010de ho\u0159en\u00ed zpomalova\u010de ho\u0159en\u00ed n\u00e1t\u011brov\u00e9 hmoty na pap\u00edr a dokonce i n\u00e1t\u011brov\u00e9 hmoty na pap\u00edr!<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho se vyr\u00e1b\u00ed Bayerov\u00fdm procesem, kter\u00fd zahrnuje rozpou\u0161t\u011bn\u00ed bauxitu (rudy hlin\u00edku) v hydroxidu sodn\u00e9m p\u0159i zv\u00fd\u0161en\u00e9 teplot\u011b a n\u00e1sledn\u00e9 filtrov\u00e1n\u00ed, p\u0159i kter\u00e9m se odd\u011bl\u00ed v\u0161echny zbyl\u00e9 pevn\u00e9 \u010d\u00e1stice. P\u0159ibli\u017en\u011b 95% z t\u00e9to produkce oxidu hlinit\u00e9ho jde na v\u00fdrobu prim\u00e1rn\u00edho kovov\u00e9ho hlin\u00edku, zat\u00edmco p\u0159ebytek jde na chemick\u00e9 aplikace.<\/p>\n<p>V\u00fdzkum FMI nazna\u010duje, \u017ee glob\u00e1ln\u00ed trh s trihydr\u00e1tem oxidu hlinit\u00e9ho bude v nadch\u00e1zej\u00edc\u00edch letech rychle expandovat d\u00edky popt\u00e1vce ze strany pr\u016fmyslu v\u00fdroby plast\u016f a chemick\u00fdch l\u00e1tek zpomaluj\u00edc\u00edch ho\u0159en\u00ed. Podle odhad\u016f FMI tento n\u00e1r\u016fst ocen\u011bn\u00ed povede spole\u010dnosti vyr\u00e1b\u011bj\u00edc\u00ed hydroxid hlinit\u00fd k tomu, \u017ee budou zaznamen\u00e1vat v\u00fdznamn\u00e9 prodeje trihydr\u00e1tu oxidu hlinit\u00e9ho.<\/p>\n<p>Na rozd\u00edl od jin\u00fdch slou\u010denin hlin\u00edku je trihydr\u00e1t hlin\u00edku m\u00e9n\u011b biologicky dostupn\u00fd, m\u00e1 sn\u00ed\u017een\u00e9 indexy nebezpe\u010dnosti pro v\u0161echny cesty expozice a je m\u00e9n\u011b toxick\u00fd ne\u017e jin\u00e9 slou\u010deniny, nap\u0159. lakt\u00e1t hlinit\u00fd. Bohu\u017eel nebyly provedeny \u017e\u00e1dn\u00e9 chronick\u00e9 karcinogenn\u00ed studie a \u00fadaje t\u00fdkaj\u00edc\u00ed se toxicity pro t\u011bhotenstv\u00ed nejsou k dispozici.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho je nepostradateln\u00fdm materi\u00e1lem p\u0159i v\u00fdrob\u011b pr\u016fmyslov\u00fdch chemik\u00e1li\u00ed, jako je hydroxid hlinit\u00fd, s\u00edran hlinit\u00fd a k\u0159emi\u010ditany. Aplikace barev a n\u00e1t\u011br\u016f jsou do zna\u010dn\u00e9 m\u00edry z\u00e1visl\u00e9 na inertn\u00edch plnivech, kter\u00e1 zvy\u0161uj\u00ed pr\u016fhlednost po rozpt\u00fdlen\u00ed barevn\u00fdch pigment\u016f, prodlu\u017euj\u00ed trvanlivost barev a zaji\u0161\u0165uj\u00ed leskl\u00fd n\u00e1t\u011br, kter\u00fd zachov\u00e1v\u00e1 odst\u00edn. P\u016fsob\u00ed jako inertn\u00ed plniva, kter\u00e1 zvy\u0161uj\u00ed pr\u016fhlednost pro v\u011bt\u0161\u00ed pr\u016fsvitnost po rozpt\u00fdlen\u00ed barevn\u00fdch pigment\u016f, prodlu\u017euj\u00ed trvanlivost n\u00e1t\u011br\u016f a zachov\u00e1vaj\u00ed barvu v \u010dase. D\u00edky t\u011bmto vlastnostem se trihydr\u00e1t oxidu hlinit\u00e9ho st\u00e1le v\u00edce vyu\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b barev a n\u00e1t\u011brov\u00fdch hmot. Plastov\u00e9 kompozity vyroben\u00e9 s pou\u017eit\u00edm tohoto miner\u00e1lu si rovn\u011b\u017e z\u00edskaly oblibu jako opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed hmotnosti u v\u00fdrobc\u016f automobil\u016f. Plastov\u00e9 kompozity maj\u00ed schopnost zv\u00fd\u0161it \u00fasporu paliva t\u00edm, \u017ee sni\u017euj\u00ed mno\u017estv\u00ed energie pot\u0159ebn\u00e9 k pohybu automobilu. V sou\u010dasn\u00e9 dob\u011b tvo\u0159\u00ed p\u0159ibli\u017en\u011b 10%-15% hmotnosti modern\u00edho vozidla plastov\u00e9 kompozity; p\u0159edpokl\u00e1d\u00e1 se, \u017ee toto \u010d\u00edslo se bude zvy\u0161ovat, proto\u017ee st\u00e1le v\u00edce lid\u00ed vyhled\u00e1v\u00e1 automobily s vynikaj\u00edc\u00ed \u00fasporou paliva.<\/p>\n<h2>Je to l\u00e1tka zpomaluj\u00edc\u00ed ho\u0159en\u00ed<\/h2>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho je vynikaj\u00edc\u00edm zpomalova\u010dem ho\u0159en\u00ed pro plasty a pry\u017e, kter\u00e9mu se \u010dasto d\u00e1v\u00e1 p\u0159ednost p\u0159ed jeho b\u011b\u017en\u011bj\u0161\u00edmi halogenovan\u00fdmi alternativami d\u00edky jeho netoxick\u00fdm, nekorozivn\u00edm vlastnostem a bez z\u00e1pachu. Krom\u011b toho slou\u017e\u00ed trihydr\u00e1t oxidu hlinit\u00e9ho jako \u00fa\u010dinn\u00e9 mazivo, a proto je vynikaj\u00edc\u00ed volbou v p\u0159\u00edpadech, kdy je po\u017eadov\u00e1na vysok\u00e1 teplotn\u00ed stabilita nebo sn\u00ed\u017een\u00ed kou\u0159ivosti. K dispozici je ve form\u011b pevn\u00fdch ty\u010dinek, pr\u00e1\u0161ku a emulze; n\u011bkter\u00e9 druhy byly optimalizov\u00e1ny pro absorpci oleje, zat\u00edmco jin\u00e9 maj\u00ed povrchov\u00e9 \u00fapravy usnad\u0148uj\u00edc\u00ed disperzi pro lep\u0161\u00ed zpracovatelnost.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho, vyr\u00e1b\u011bn\u00fd Bayerov\u00fdm postupem z bauxitov\u00e9 rudy, m\u00e1 mnohostrann\u00e9 vyu\u017eit\u00ed a je hlavn\u00edm zdrojem hydroxidu hlinit\u00e9ho. Existuje ve t\u0159ech krystalick\u00fdch form\u00e1ch: gibbit\/hydrargilit, co\u017e je g-Al(OH)3, bayerit neboli a-Al(OH)3 a nordstrandit neboli b-Al(OH). Hydratovan\u00fd trihydr\u00e1t oxidu hlinit\u00e9ho (ATH) je nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed syntetickou formou; b\u011bhem procesu hydratace se jeho struktura drasticky m\u011bn\u00ed a st\u00e1v\u00e1 se k\u0159ehk\u00fdm s extr\u00e9mn\u011b vysok\u00fdm obsahem vody (34%).<\/p>\n<p>P\u011bnov\u00e1 izolace je \u00fa\u010dinn\u00fdm plnivem pro \u0159adu polymer\u016f a v mnoha aplikac\u00edch m\u016f\u017ee slou\u017eit jako vynikaj\u00edc\u00ed alternativa halogenovan\u00fdch zpomalova\u010d\u016f. P\u011bna, kter\u00e1 je zvl\u00e1\u0161t\u011b v\u00fdhodn\u00e1 v nenasycen\u00fdch polyesterech a ve sm\u011bs\u00edch pro opl\u00e1\u0161t\u011bn\u00ed kabel\u016f, je zn\u00e1m\u00e1 t\u00edm, \u017ee m\u00e1lo kou\u0159\u00ed a p\u0159itom je st\u00e1le \u00fa\u010dinn\u00e1 jako vynikaj\u00edc\u00ed zpomalova\u010d ho\u0159en\u00ed se sn\u00ed\u017een\u00fdmi emisemi kou\u0159e, ni\u017e\u0161\u00edmi \u00farovn\u011bmi toxick\u00fdch emis\u00ed a men\u0161\u00ed toxicitou pro \u017eivotn\u00ed prost\u0159ed\u00ed ne\u017e jejich halogenovan\u00e9 prot\u011bj\u0161ky.<\/p>\n<p>R\u016fst plastik\u00e1\u0159sk\u00e9ho pr\u016fmyslu pravd\u011bpodobn\u011b podpo\u0159\u00ed popt\u00e1vku po trihydr\u00e1tu oxidu hlinit\u00e9ho a zv\u00fd\u0161\u00ed hodnotu glob\u00e1ln\u00edho trhu o\u010dek\u00e1vanou slo\u017eenou ro\u010dn\u00ed m\u00edrou r\u016fstu 7,7% v letech 2023-2033; glob\u00e1ln\u00ed ocen\u011bn\u00ed by do t\u00e9 doby m\u011blo dos\u00e1hnout 11 180,1 milionu US$.<\/p>\n<p>Plasty se staly nepostradatelnou sou\u010d\u00e1st\u00ed modern\u00edho \u017eivota, ale maj\u00ed i n\u011bkter\u00e9 v\u00fdznamn\u00e9 nev\u00fdhody. P\u0159i spalov\u00e1n\u00ed plast\u016f se uvol\u0148uj\u00ed toxick\u00e9 plyny, kter\u00e9 mohou p\u0159isp\u00edvat k lidsk\u00fdm zdravotn\u00edm probl\u00e9m\u016fm a vyvol\u00e1vat rizika po\u017e\u00e1r\u016f. Pro zm\u00edrn\u011bn\u00ed t\u011bchto nebezpe\u010d\u00ed byly vyvinuty neho\u0159lav\u00e9 chemick\u00e9 l\u00e1tky, kter\u00e9 pom\u00e1haj\u00ed potla\u010dit riziko po\u017e\u00e1ru a z\u00e1rove\u0148 p\u0159i ho\u0159en\u00ed produkuj\u00ed m\u00e9n\u011b toxick\u00fdch plyn\u016f; tato \u0159e\u0161en\u00ed jsou v\u0161ak n\u00e1kladn\u00e1 a mohou p\u0159edstavovat nebezpe\u010d\u00ed pro \u017eivotn\u00ed prost\u0159ed\u00ed; mnoho v\u00fdrobc\u016f se m\u00edsto toho obr\u00e1tilo k pou\u017eit\u00ed trihydr\u00e1tu oxidu hlinit\u00e9ho jako n\u00e1hradn\u00edho materi\u00e1lu \u0161etrn\u00e9ho k \u017eivotn\u00edmu prost\u0159ed\u00ed.<\/p>\n<h2>Jedn\u00e1 se o v\u00fdpl\u0148<\/h2>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho (ATH) je ekologick\u00e9 plnivo pou\u017e\u00edvan\u00e9 p\u0159i v\u00fdrob\u011b plast\u016f a pry\u017ee. Jako ekonomick\u00fd, inertn\u00ed pr\u00e1\u0161ek bez z\u00e1pachu jej lze pou\u017e\u00edt ke zv\u011bt\u0161en\u00ed objemu, sn\u00ed\u017een\u00ed smr\u0161t\u011bn\u00ed, zv\u00fd\u0161en\u00ed hmotnosti nebo zv\u00fd\u0161en\u00ed protipo\u017e\u00e1rn\u00edch vlastnost\u00ed v rychle odl\u00e9van\u00fdch prysky\u0159ic\u00edch, jako jsou polyuretanov\u00e9, epoxidov\u00e9 nebo polyesterov\u00e9 rychle odl\u00e9van\u00e9 prysky\u0159ice - krom\u011b mnoha dal\u0161\u00edch, jako jsou kompozity s pevn\u00fdm povrchem, elektroizola\u010dn\u00ed materi\u00e1ly silikony a tak\u00e9 vysokofrekven\u010dn\u00ed kabely s protipo\u017e\u00e1rn\u00ed odolnost\u00ed (HFFR kabely).<\/p>\n<p>Popt\u00e1vka po technick\u00fdch plastech by m\u011bla podpo\u0159it r\u016fst plniv z trihydr\u00e1tu oxidu hlinit\u00e9ho. Tato plniva se hojn\u011b vyu\u017e\u00edvaj\u00ed v automobilov\u00e9m, elektronick\u00e9m a leteck\u00e9m pr\u016fmyslu a jsou ide\u00e1ln\u00ed alternativou kov\u016f, proto\u017ee jsou mnohem leh\u010d\u00ed a maj\u00ed ni\u017e\u0161\u00ed spot\u0159ebu paliva. Tento trend bude pravd\u011bpodobn\u011b pokra\u010dovat i v budoucnu a bude nad\u00e1le podporovat popt\u00e1vku po trihydr\u00e1tu oxidu hlinit\u00e9ho.<\/p>\n<p>\u010c\u00ednsk\u00fd pr\u016fmysl n\u00e1t\u011brov\u00fdch hmot se rychle rozv\u00edj\u00ed, co\u017e vytv\u00e1\u0159\u00ed nov\u00e9 p\u0159\u00edle\u017eitosti pro v\u00fdrobce trihydr\u00e1tu oxidu hlinit\u00e9ho. \u010c\u00edna m\u00e1 vynikaj\u00edc\u00ed v\u00fdrobn\u00ed z\u00e1kladnu a dostatek surovin, kter\u00e9 jsou hnac\u00ed silou jej\u00edho trhu. Nav\u00edc snahy tamn\u00ed vl\u00e1dy o omezen\u00ed zne\u010di\u0161t\u011bn\u00ed mohou d\u00e1le zv\u00fd\u0161it popt\u00e1vku po trihydr\u00e1tu oxidu hlinit\u00e9ho.<\/p>\n<p>P\u0159edpokl\u00e1d\u00e1 se, \u017ee celosv\u011btov\u00fd trh s trihydr\u00e1tem oxidu hlinit\u00e9ho bude v letech 2018-2033 vykazovat slo\u017een\u00fd ro\u010dn\u00ed r\u016fst ve v\u00fd\u0161i 18,1%. Hlavn\u00ed hnac\u00ed silou expanze trhu budou barvy a n\u00e1t\u011brov\u00e9 hmoty, a to d\u00edky p\u0159\u00ednos\u016fm trihydr\u00e1tu oxidu hlinit\u00e9ho p\u0159i zlep\u0161ov\u00e1n\u00ed trvanlivosti, lesku a pr\u016fhlednosti barev a n\u00e1t\u011br\u016f.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho nejen zlep\u0161uje vzhled barev, ale m\u016f\u017ee tak\u00e9 slou\u017eit jako plnidlo a plnidlo. D\u00edky sv\u00e9 jemn\u00e9 velikosti \u010d\u00e1stic a b\u00edl\u00e9mu odst\u00ednu je trihydr\u00e1t oxidu hlinit\u00e9ho ide\u00e1ln\u00edm plnivem. Krom\u011b toho jeho schopnost sni\u017eovat viskozitu zlep\u0161uje rozt\u00edratelnost a konzistenci n\u00e1t\u011brov\u00fdch hmot.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho lze tak\u00e9 vyu\u017e\u00edt jako plnidlo a plnidlo p\u0159i v\u00fdrob\u011b pap\u00edru, kter\u00e9 poskytuje celul\u00f3zov\u00fdm pap\u00edr\u016fm vlastnosti zpomaluj\u00edc\u00ed ho\u0159en\u00ed a z\u00e1rove\u0148 zvy\u0161uje pevnost, optick\u00e9 vlastnosti a ochranu vl\u00e1ken proti kysel\u00e9 degradaci.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho je mimo\u0159\u00e1dn\u011b \u00fa\u010dinn\u00fdm plnivem a plnidlem pro plasty a lze jej nal\u00e9zt v nejr\u016fzn\u011bj\u0161\u00edch aplikac\u00edch, jako jsou kabelov\u00e9 sm\u011bsi, brusn\u00e9 materi\u00e1ly, desky z masivn\u00edho materi\u00e1lu a desky z pevn\u00e9ho povrchu. Krom\u011b toho jsou d\u00edky sv\u00fdm protipo\u017e\u00e1rn\u00edm vlastnostem a tepeln\u00e9 stabilit\u011b velmi \u017e\u00e1danou p\u0159\u00edsadou.<\/p>\n<h2>Jedn\u00e1 se o plastov\u00fd<\/h2>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho (ATH) je inertn\u00ed plnivo pou\u017e\u00edvan\u00e9 do barev a n\u00e1t\u011br\u016f. Skl\u00e1d\u00e1 se z pr\u00e1\u0161ku z bauxitu, kter\u00fd se po vystaven\u00ed p\u016fsoben\u00ed tepla m\u011bn\u00ed na hydroxid hlinit\u00fd, ozna\u010dovan\u00fd tak\u00e9 jako hydroxid hlinit\u00fd nebo hydratovan\u00fd oxid hlinit\u00fd; jeho blokov\u00e1 krystalov\u00e1 struktura mu prop\u016fj\u010duje vynikaj\u00edc\u00ed chemickou reaktivitu se z\u00e1sadami i kyselinami, d\u00edky \u010demu\u017e je u\u017eite\u010dn\u00fd p\u0159i vytv\u00e1\u0159en\u00ed transparentn\u00edch jezern\u00edch pigment\u016f s vy\u0161\u0161\u00ed pr\u016fhlednost\u00ed, kter\u00e9 se snadn\u011bji rozptyluj\u00ed v olej\u00edch. Spole\u010dnost Hindalco vyr\u00e1b\u00ed trihydr\u00e1t oxidu hlinit\u00e9ho v r\u016fzn\u00fdch velikostech \u010d\u00e1stic; povrchov\u011b upraven\u00fd jemn\u00fd hydr\u00e1t a supermlet\u00e9 verze.<\/p>\n<p>Hydr\u00e1t oxidu hlinit\u00e9ho je \u00fa\u010dinn\u00e9 plnivo, kter\u00e9 zvy\u0161uje odolnost, lesk a pevnost barev. Krom\u011b toho jej lze pou\u017e\u00edt jako zpomalova\u010d ho\u0159en\u00ed pro kontrolu po\u017e\u00e1r\u016f v plastech; jeho netoxick\u00e1 povaha nav\u00edc zaji\u0161\u0165uje lep\u0161\u00ed protipo\u017e\u00e1rn\u00ed ochranu ve srovn\u00e1n\u00ed se sulfidem boru a z\u00e1rove\u0148 z\u016fst\u00e1v\u00e1 cenov\u011b v\u00fdhodnou alternativou oxidu titani\u010dit\u00e9ho.<\/p>\n<p>Spole\u010dnost Future Market Insights p\u0159edpov\u00edd\u00e1, \u017ee celosv\u011btov\u00e1 popt\u00e1vka po trihydr\u00e1tu oxidu hlinit\u00e9ho bude v nadch\u00e1zej\u00edc\u00edm desetilet\u00ed rychle r\u016fst v d\u016fsledku rostouc\u00ed popt\u00e1vky po plastech. Spole\u010dnost Future Market Insights p\u0159edpokl\u00e1d\u00e1, \u017ee v letech 2023-2033 poroste toto odv\u011btv\u00ed slo\u017eenou ro\u010dn\u00ed m\u00edrou r\u016fstu 7,71 %, a to v d\u016fsledku p\u0159\u00edsn\u011bj\u0161\u00edch p\u0159edpis\u016f o po\u017e\u00e1rn\u00ed bezpe\u010dnosti na cel\u00e9m sv\u011bt\u011b a rostouc\u00ed pot\u0159eby vysoce kvalitn\u00edch plast\u016f, kter\u00e9 jsou odoln\u00e9 a z\u00e1rove\u0148 lehk\u00e9.<\/p>\n<p>ATH se vyr\u00e1b\u00ed Bayerov\u00fdm procesem z bauxitov\u00e9 rudy a pou\u017e\u00edv\u00e1 se jak p\u0159i v\u00fdrob\u011b kovov\u00e9ho hlin\u00edku, tak jako \u017e\u00e1ruvzdorn\u00fd materi\u00e1l ve skl\u00e1\u0159sk\u00e9m a keramick\u00e9m pr\u016fmyslu. Krom\u011b toho slou\u017e\u00ed jako z\u00e1kladn\u00ed surovina p\u0159i v\u00fdrob\u011b dal\u0161\u00edch anorganick\u00fdch chemik\u00e1li\u00ed, jako jsou katalyz\u00e1tory fluoridu hlinit\u00e9ho, a je to pr\u00e1\u0161ek bez chuti rozpustn\u00fd ve vod\u011b - vynikaj\u00edc\u00ed antacidum, kter\u00e9 pom\u00e1h\u00e1 udr\u017eovat optim\u00e1ln\u00ed pH v tr\u00e1vic\u00edm traktu.<\/p>\n<p>Trihydr\u00e1t oxidu hlinit\u00e9ho pln\u00ed v\u00edce funkc\u00ed; je plnidlem a zpomalova\u010dem ho\u0159en\u00ed i kou\u0159ot\u011bsn\u00fdm prost\u0159edkem pro \u010daloun\u011bn\u00ed tkanin. Jeho v\u00fdkonnost jako zpomalova\u010de ho\u0159en\u00ed z\u00e1vis\u00ed na jeho chemick\u00e9 struktu\u0159e, kter\u00e1 je podobn\u00e1 struktu\u0159e hydratovan\u00e9ho oxidu hlinit\u00e9ho v tom, \u017ee ionty hlin\u00edku jsou iontov\u011b v\u00e1z\u00e1ny s ionty hydroxidu; p\u0159i teplot\u011b 220 stup\u0148\u016f C se vazba rozpad\u00e1 a uvol\u0148uj\u00ed se molekuly vody s p\u0159irozen\u00fdmi vlastnostmi zpomalova\u010de ho\u0159en\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>Alumina trihydrate (ATH), is a filler and extender pigment for paints, helping increase opacity while providing superior water resistance. Available [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-42","post","type-post","status-publish","format-standard","hentry","category-alumina-knowledge"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":1,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/42\/revisions"}],"predecessor-version":[{"id":43,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/posts\/42\/revisions\/43"}],"wp:attachment":[{"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/media?parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/categories?post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/aluminaceramics.net\/cs\/wp-json\/wp\/v2\/tags?post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}