{"id":13257,"date":"2025-11-20T06:48:42","date_gmt":"2025-11-20T06:48:42","guid":{"rendered":"https:\/\/tenessy.com\/?p=13257"},"modified":"2025-11-21T05:14:29","modified_gmt":"2025-11-21T05:14:29","slug":"synergistic-effects-of-starch-ether-in-gypsum-based-mortars","status":"publish","type":"post","link":"https:\/\/tenessy.com\/cs\/synergicke-ucinky-skroboveho-eteru-v-maltach-na-bazi-sadry\/","title":{"rendered":"Synergick\u00e9 \u00fa\u010dinky \u0161krobov\u00e9ho \u00e9teru v malt\u00e1ch na b\u00e1zi s\u00e1dry"},"content":{"rendered":"
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V oblasti stavebnictv\u00ed malty pro such\u00e9 m\u00edch\u00e1n\u00ed<\/a>, jsou malty na b\u00e1zi s\u00e1dry \u0161iroce pou\u017e\u00edv\u00e1ny d\u00edky sv\u00fdm v\u00fdhod\u00e1m, jako je rychl\u00e9 tuhnut\u00ed, po\u017e\u00e1rn\u00ed odolnost, tepeln\u00e1 izolace a schopnost regulovat vlhkost. B\u011bhem v\u00fdstavby se v\u0161ak \u010dasto pot\u00fdkaj\u00ed s probl\u00e9my, jako je \u0161patn\u00e1 zpracovatelnost, n\u00e1chylnost k proh\u00fdb\u00e1n\u00ed a nedostate\u010dn\u00e9 zadr\u017eov\u00e1n\u00ed vody, co\u017e vede k tvorb\u011b trhlin. V\u00fdb\u011br vhodn\u00fdch p\u0159\u00edsad je kl\u00ed\u010dem ke zlep\u0161en\u00ed jejich vlastnost\u00ed a pr\u00e1v\u011b \u0161krobov\u00fd \u00e9ter je jednou z takov\u00fdch \u00fa\u010dinn\u00fdch slo\u017eek, kter\u00e1 dosahuje pozoruhodn\u00fdch v\u00fdsledk\u016f d\u00edky synergick\u00fdm \u00fa\u010dink\u016fm.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u2160. Co je \u0161krobov\u00fd \u00e9ter?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"hydroxypropyl\u0161krob-ether\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u0160krobov\u00fd \u00e9ter, b\u011b\u017en\u011b jako nap\u0159. hydroxypropyl\u0161krobov\u00fd \u00e9ter<\/a>je chemicky modifikovan\u00fd polymer z\u00edskan\u00fd z p\u0159\u00edrodn\u00edho \u0161krobu etherifikac\u00ed. Je to \u00fa\u010dinn\u00e9 fyzik\u00e1ln\u00ed zahu\u0161\u0165ovadlo a modifik\u00e1tor reologie. Na adrese malty na b\u00e1zi s\u00e1dry<\/a>, pln\u00ed p\u0159edev\u0161\u00edm t\u0159i z\u00e1kladn\u00ed role:<\/p>

Zahu\u0161\u0165ovac\u00ed a mazac\u00ed prost\u0159edek:<\/b><\/strong>\u00a0V\u00fdrazn\u011b zvy\u0161uje konzistenci malty a d\u00edky mezimolekul\u00e1rn\u00edmu maz\u00e1n\u00ed j\u00ed dod\u00e1v\u00e1 vynikaj\u00edc\u00ed zpracovatelnost a hlad\u0161\u00ed nan\u00e1\u0161en\u00ed hlad\u00edtkem.<\/p>

P\u0159\u00edpravek proti rozpadu:<\/b><\/strong>\u00a0Dod\u00e1v\u00e1 malt\u011b dobrou struktur\u00e1ln\u00ed pevnost, zabra\u0148uje prov\u011b\u0161ov\u00e1n\u00ed a sklouz\u00e1v\u00e1n\u00ed p\u0159i aplikaci na svisl\u00fdch ploch\u00e1ch a \u00fa\u010dinn\u011b p\u016fsob\u00ed proti vydrolov\u00e1n\u00ed.<\/p>

Pomoc p\u0159i zadr\u017eov\u00e1n\u00ed vody:<\/b><\/strong>\u00a0Pom\u00e1h\u00e1 udr\u017eovat obsah vody stabilizac\u00ed maltov\u00e9ho syst\u00e9mu a poskytuje stabiln\u011bj\u0161\u00ed prost\u0159ed\u00ed pro hydrata\u010dn\u00ed reakci s\u00e1dry.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u2161.Co je to synergick\u00fd efekt?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Takzvan\u00fd \"synergick\u00fd efekt\" se t\u00fdk\u00e1 vz\u00e1jemn\u00e9ho p\u016fsoben\u00ed \u0161krobov\u00e9ho \u00e9teru a ostatn\u00edch slo\u017eek s\u00e1drov\u00e9ho maltov\u00e9ho syst\u00e9mu (zejm\u00e9na retard\u00e9r\u016f na b\u00e1zi b\u00edlkovin), kter\u00e9 p\u0159in\u00e1\u0161\u00ed lep\u0161\u00ed v\u00fdsledky ne\u017e prost\u00fd sou\u010det jejich jednotliv\u00fdch \u00fa\u010dink\u016f.<\/p>

Synergie s retard\u00e9ry:<\/b><\/strong>\u00a0S\u00e1dra rychle tuhne a \u010dasto vy\u017eaduje p\u0159id\u00e1n\u00ed retard\u00e9r\u016f na b\u00e1zi b\u00edlkovin, aby se prodlou\u017eila doba zpracovatelnosti. Samostatn\u011b pou\u017eit\u00fd \u0161krobov\u00fd \u00e9ter zlep\u0161uje p\u0159edev\u0161\u00edm zpracovatelnost. P\u0159i kombinaci v\u0161ak \u0161krobov\u00fd \u00e9ter pom\u00e1h\u00e1 rovnom\u011brn\u011bji rozpt\u00fdlit a stabilizovat retard\u00e9r v syst\u00e9mu. V\u00fdsledkem je malta s dobrou zpracovatelnost\u00ed, l\u00e9pe kontrolovatelnou otev\u0159enou dobou a stabiln\u011bj\u0161\u00edm v\u00fdvojem pevnosti v pozd\u011bj\u0161\u00edch f\u00e1z\u00edch.<\/p>

Synergie s \u010d\u00e1sticemi s\u00e1dry:<\/b><\/strong>\u00a0Molekuly \u0161krobov\u00e9ho \u00e9teru s dlouh\u00fdm \u0159et\u011bzcem se mohou adsorbovat na povrch \u010d\u00e1stic s\u00e1dry a vytv\u00e1\u0159et stabiln\u00ed trojrozm\u011brnou s\u00ed\u0165ovou strukturu. Tato struktura nejen\u017ee zachycuje v\u00edce voln\u00e9 vody, \u010d\u00edm\u017e zabra\u0148uje rychl\u00fdm ztr\u00e1t\u00e1m vody, kter\u00e9 vedou k tvorb\u011b trhlin, ale tak\u00e9 v\u00fdrazn\u011b zvy\u0161uje soudr\u017enost malty, \u010d\u00edm\u017e vykazuje vynikaj\u00edc\u00ed protismykov\u00e9 vlastnosti.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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\u2162.Zv\u00fd\u0161en\u00ed v\u00fdkonu j\u00e1dra pomoc\u00ed \u0161krobov\u00e9ho \u00e9teru<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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P\u0159id\u00e1n\u00ed p\u0159im\u011b\u0159en\u00e9ho mno\u017estv\u00ed \u0161krobov\u00e9ho \u00e9teru do s\u00e1drov\u00fdch malt (nap\u0159. z\u00e1kladn\u00ed s\u00e1drov\u00e9 om\u00edtky, fin\u00e1ln\u00ed s\u00e1drov\u00e9 tmely atd.) p\u0159in\u00e1\u0161\u00ed n\u00e1sleduj\u00edc\u00ed okam\u017eit\u00e1 zlep\u0161en\u00ed:<\/p>

Vynikaj\u00edc\u00ed zku\u0161enosti s aplikacemi:<\/b><\/strong>\u00a0Malta je m\u011bkk\u00e1 a hladk\u00e1, co\u017e umo\u017e\u0148uje jej\u00ed snadn\u00e9 nan\u00e1\u0161en\u00ed, v\u00fdrazn\u011b sni\u017euje pracnost pracovn\u00edk\u016f a zvy\u0161uje efektivitu v\u00fdstavby.<\/p>

Eliminace proh\u00fdb\u00e1n\u00ed a dutin:<\/b><\/strong>\u00a0I p\u0159i silnovrstv\u00e9m nan\u00e1\u0161en\u00ed na stropy a svisl\u00e9 plochy malta pevn\u011b p\u0159ilne, \u010d\u00edm\u017e se \u00fa\u010dinn\u011b zvy\u0161uje kvalita a bezpe\u010dnost stavby.<\/p>

Sn\u00ed\u017een\u00e9 riziko prasklin:<\/b><\/strong>\u00a0Lep\u0161\u00ed zadr\u017eov\u00e1n\u00ed vody zaji\u0161\u0165uje dostate\u010dnou hydrataci s\u00e1dry, co\u017e m\u00e1 za n\u00e1sledek hust\u0161\u00ed strukturu po vytvrzen\u00ed a v\u00fdrazn\u011b omezuje smr\u0161\u0165ovac\u00ed trhliny a pr\u00e1\u0161en\u00ed zp\u016fsoben\u00e9 rychl\u00fdm \u00fabytkem vody.<\/p>

Optimalizovan\u00e1 \u010derpatelnost:<\/b><\/strong>\u00a0U strojn\u011b nan\u00e1\u0161en\u00fdch malt zlep\u0161uje p\u0159\u00eddavek \u0161krobov\u00e9ho \u00e9teru jejich reologii a sni\u017euje riziko ucp\u00e1n\u00ed potrub\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u2163. Doporu\u010den\u00ed pro pou\u017eit\u00ed a \u00favahy<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Aby bylo mo\u017en\u00e9 pln\u011b vyu\u017e\u00edt synergick\u00e9 \u00fa\u010dinky \u0161krobov\u00fd \u00e9ter<\/a>, je t\u0159eba v\u011bnovat pozornost n\u00e1sleduj\u00edc\u00edm bod\u016fm:<\/p>

Doporu\u010den\u00e9 d\u00e1vkov\u00e1n\u00ed:<\/b><\/strong>\u00a0Obvykle se doporu\u010duje p\u0159id\u00e1vat 0,02% - 0,05% \u0161krobov\u00e9ho \u00e9teru do s\u00e1drov\u00e9 malty (upravte podle vlastnost\u00ed v\u00fdrobku a slo\u017een\u00ed). Nadm\u011brn\u00fd p\u0159\u00eddavek m\u016f\u017ee zp\u016fsobit nadm\u011brn\u00e9 zahu\u0161t\u011bn\u00ed a ovlivnit pevnost.<\/p>

Kl\u00ed\u010dov\u00fd je rozptyl:<\/b><\/strong>\u00a0Ve f\u00e1zi m\u00edch\u00e1n\u00ed such\u00e9ho pr\u00e1\u0161ku je nutn\u00e9 zajistit d\u016fkladn\u00e9 a rovnom\u011brn\u00e9 prom\u00edch\u00e1n\u00ed \u0161krobov\u00e9ho \u00e9teru s ostatn\u00edmi surovinami (nap\u0159. s\u00e1drou, retard\u00e9rem, p\u00edskem), aby se zabr\u00e1nilo tvorb\u011b hrudek.<\/p>

Testov\u00e1n\u00ed kompatibility slo\u017een\u00ed:<\/b><\/strong>\u00a0Vzhledem k rozd\u00edl\u016fm v surovin\u00e1ch od r\u016fzn\u00fdch dodavatel\u016f je nutn\u00e9 p\u0159ed zah\u00e1jen\u00edm v\u00fdroby v pln\u00e9m rozsahu prov\u00e9st laboratorn\u00ed testy a testy v mal\u00e9m m\u011b\u0159\u00edtku, aby bylo mo\u017en\u00e9 naj\u00edt optim\u00e1ln\u00ed d\u00e1vkov\u00e1n\u00ed pro konkr\u00e9tn\u00ed slo\u017een\u00ed.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u2164. Z\u00e1v\u011br<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Lze shrnout, \u017ee \u0161krobov\u00fd \u00e9ter nen\u00ed zdaleka jen zahu\u0161\u0165ovadlo. Sv\u00fdmi synergick\u00fdmi \u00fa\u010dinky se syst\u00e9mem s\u00e1drov\u00fdch malt, zejm\u00e9na s retard\u00e9ry na b\u00e1zi b\u00edlkovin, komplexn\u011b zlep\u0161uje vlastnosti v\u00fdrobku v mnoha dimenz\u00edch, v\u010detn\u011b reologie, stability a zadr\u017eov\u00e1n\u00ed vody. V\u011bdeck\u00e9 za\u010dlen\u011bn\u00ed \u0161krobov\u00e9ho \u00e9teru do receptur malt na b\u00e1zi s\u00e1dry je moudrou strategi\u00ed pro \u0159e\u0161en\u00ed stavebn\u00edch probl\u00e9m\u016f a zlep\u0161en\u00ed kvality fin\u00e1ln\u00ed povrchov\u00e9 \u00fapravy, kter\u00e1 p\u0159in\u00e1\u0161\u00ed v\u00fdznamn\u00e9 technick\u00e9 a ekonomick\u00e9 v\u00fdhody jak pro v\u00fdrobce, tak pro dodavatele.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

V oblasti stavebn\u00edch such\u00fdch malt se \u0161iroce pou\u017e\u00edvaj\u00ed malty na b\u00e1zi s\u00e1dry, a to d\u00edky sv\u00fdm v\u00fdhod\u00e1m, jako je rychl\u00e9 tuhnut\u00ed, po\u017e\u00e1rn\u00ed odolnost, tepeln\u00e1 izolace a schopnost regulovat vlhkost. B\u011bhem v\u00fdstavby se v\u0161ak \u010dasto pot\u00fdkaj\u00ed s probl\u00e9my, jako je \u0161patn\u00e1 zpracovatelnost, n\u00e1chylnost k proh\u00fdb\u00e1n\u00ed a nedostate\u010dn\u00e9 zadr\u017eov\u00e1n\u00ed vody, co\u017e vede k tvorb\u011b trhlin. <\/p>","protected":false},"author":1,"featured_media":13268,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-13257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-news"],"yoast_head":"\nSynergistic Effects of Starch Ether in Gypsum-Based Mortars - HPMC|HEMC|HEC|RDP Manufacturer-TENESSY<\/title>\n<meta name=\"description\" content=\"To achieve good construction results, TENESSY products such as gypsum retarder, cellulose ether, and defoamer can be added to gypsum-based self-leveling mortar.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tenessy.com\/cs\/synergicke-ucinky-skroboveho-eteru-v-maltach-na-bazi-sadry\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synergistic Effects of Starch Ether in Gypsum-Based Mortars - 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