{"id":48,"date":"2026-01-29T09:56:13","date_gmt":"2026-01-29T09:56:13","guid":{"rendered":"https:\/\/wettingagent.net\/?p=48"},"modified":"2026-01-29T09:56:13","modified_gmt":"2026-01-29T09:56:13","slug":"smacedlo-skryty-klic-k-rychlejsimu-sireni","status":"publish","type":"post","link":"https:\/\/wettingagent.net\/cs\/smacedlo-skryty-klic-k-rychlejsimu-sireni\/","title":{"rendered":"Sm\u00e1\u010dedlo: Skryt\u00fd kl\u00ed\u010d k rychlej\u0161\u00edmu rozt\u00edr\u00e1n\u00ed, lep\u0161\u00ed disperzi a hlad\u0161\u00edmu povrchu."},"content":{"rendered":"

Sm\u00e1\u010dedlo: Skryt\u00fd kl\u00ed\u010d k rychlej\u0161\u00edmu rozt\u00edr\u00e1n\u00ed, lep\u0161\u00ed disperzi a hlad\u0161\u00edmu povrchu.<\/strong><\/h1>\n

Pokud jste se n\u011bkdy pot\u00fdkali s barvou, kter\u00e1 se odm\u00edt\u00e1 vyrovnat, s pr\u00e1\u0161kem, kter\u00fd vytv\u00e1\u0159\u00ed tvrdohlav\u00e9 hrudky, nebo s n\u00e1t\u011brem, kter\u00fd na povrchu vytv\u00e1\u0159\u00ed \u201cryb\u00ed o\u010di\u201d, v\u00edte, jak vypad\u00e1 \u0161patn\u00e9 sm\u00e1\u010den\u00ed. Probl\u00e9my se sm\u00e1\u010den\u00edm se ne v\u017edy projevuj\u00ed jako dramatick\u00e9 vady - n\u011bkdy se projevuj\u00ed jako pomal\u00e1 disperze, nestejn\u00e1 s\u00edla barvy, d\u00edrkov\u00e1n\u00ed, plazen\u00ed po okraj\u00edch nebo nestabiln\u00ed v\u00fdkon v jednotliv\u00fdch \u0161ar\u017e\u00edch. To je d\u016fvod, pro\u010d sm\u00e1\u010dedlo<\/strong> je jednou z nejcenn\u011bj\u0161\u00edch \u201cmal\u00fdch slo\u017eek\u201d modern\u00edch p\u0159\u00edpravk\u016f. P\u0159i spr\u00e1vn\u00e9m pou\u017eit\u00ed umo\u017e\u0148uje, aby se kapaliny rozt\u00edraly, pronikaly a m\u00edchaly tak, jak maj\u00ed - rychle a d\u016fsledn\u011b.<\/p>\n

Co je sm\u00e1\u010dedlo?<\/h3>\n

sm\u00e1\u010dedlo je druh povrchov\u011b aktivn\u00ed l\u00e1tky, kter\u00e1 m\u00e1 za \u00fakol sn\u00ed\u017een\u00ed povrchov\u00e9ho nap\u011bt\u00ed<\/strong> a zlep\u0161it kontakt kapaliny s pevn\u00fdm povrchem. Zjednodu\u0161en\u011b \u0159e\u010deno: pom\u00e1h\u00e1 kapalin\u011b p\u0159estat \u201cst\u00e9kat\u201d a za\u010d\u00edt \"st\u00e9kat\". rozprost\u0159en\u00ed<\/strong>. V z\u00e1vislosti na chemick\u00e9m slo\u017een\u00ed lze sm\u00e1\u010dedla pou\u017e\u00edt v syst\u00e9mech na b\u00e1zi vody nebo rozpou\u0161t\u011bdel.<\/p>\n

Ve v\u011bt\u0161in\u011b pr\u016fmyslov\u00fdch odv\u011btv\u00ed se sm\u00e1\u010dedla p\u0159id\u00e1vaj\u00ed k \u0159e\u0161en\u00ed jednoho ze t\u0159\u00ed praktick\u00fdch probl\u00e9m\u016f:<\/p>\n

    \n
  1. \n

    Sm\u00e1\u010den\u00ed substr\u00e1tu<\/strong> (pom\u00e1h\u00e1 rovnom\u011brn\u011b sm\u00e1\u010det povrch)<\/p>\n<\/li>\n

  2. \n

    Sm\u00e1\u010den\u00ed pigmentu\/plniva<\/strong> (pom\u00e1haj\u00ed pr\u00e1\u0161k\u016fm rychle se smo\u010dit a rozpt\u00fdlit bez hrudek)<\/p>\n<\/li>\n

  3. \n

    Op\u011btovn\u00e9 navlh\u010den\u00ed<\/strong> (pom\u00e1haj\u00ed vysu\u0161en\u00fdm film\u016fm nebo pr\u00e1\u0161k\u016fm znovu p\u0159ij\u00edmat vodu, \u010dasto v inkoustech nebo stavebn\u00edch materi\u00e1lech).<\/p>\n<\/li>\n<\/ol>\n

    Pro\u010d z\u00e1le\u017e\u00ed na zvlh\u010den\u00ed (Real Plant Reality)<\/h3>\n

    Mnoho kapalin se p\u0159irozen\u011b rad\u011bji dr\u017e\u00ed na sob\u011b, ne\u017e aby se rozt\u00edraly po povrchu. To je povrchov\u00e9 nap\u011bt\u00ed. Pokud je povrchov\u00e9 nap\u011bt\u00ed kapaliny p\u0159\u00edli\u0161 vysok\u00e9 v porovn\u00e1n\u00ed s povrchovou energi\u00ed podkladu, kapalina se st\u00e1hne zp\u011bt a vytvo\u0159\u00ed \u0161patn\u00e9 kryt\u00ed a defekty.<\/p>\n

    Sm\u00e1\u010dedlo sni\u017euje povrchov\u00e9 nap\u011bt\u00ed, tak\u017ee kapalina m\u016f\u017ee:<\/p>\n

      \n
    • \n

      Proud\u011bn\u00ed do mikrop\u00f3r\u016f a povrchov\u00e1 struktura<\/p>\n<\/li>\n

    • \n

      Vytla\u010den\u00ed vzduchu z povrchu<\/p>\n<\/li>\n

    • \n

      Rozet\u0159ete do rovnom\u011brn\u00e9 vrstvy bez vad.<\/p>\n<\/li>\n

    • \n

      Rychle obt\u00e9kaj\u00ed pigmentov\u00e9 \u010d\u00e1stice a v\u00fdpln\u011b<\/p>\n<\/li>\n<\/ul>\n

      Proto jsou sm\u00e1\u010dedla b\u011b\u017en\u00e1 v n\u00e1t\u011brov\u00e9 hmoty, barvy, lepidla, agrochemik\u00e1lie, stavebn\u00ed chemie a \u010distic\u00ed prost\u0159edky.<\/strong>.<\/p>\n

      Jak funguje sm\u00e1\u010dedlo (jednoduch\u00e9, ale technick\u00e9)<\/h3>\n

      P\u0159edstavte si molekulu povrchov\u011b aktivn\u00ed l\u00e1tky jako dohazova\u010de: jeden konec m\u00e1 r\u00e1d olej\/organick\u00e9 l\u00e1tky, druh\u00fd vodu. Po p\u0159id\u00e1n\u00ed do slo\u017een\u00ed sm\u00e1\u010dedla migruj\u00ed na rozhran\u00ed - kapalina\/vzduch, kapalina\/pevn\u00e1 l\u00e1tka nebo kapalina\/pr\u00e1\u0161ek - a sni\u017euj\u00ed mezif\u00e1zov\u00e9 nap\u011bt\u00ed. Toto sn\u00ed\u017een\u00ed usnad\u0148uje kapalin\u011b nahradit vzduch na povrchu.<\/p>\n

      P\u0159i sm\u00e1\u010den\u00ed pigmentu je c\u00edlem pomoci prysky\u0159ici nebo pojivu rychle \u201cuchopit\u201d povrch pigmentu. T\u00edm se zabr\u00e1n\u00ed plav\u00e1n\u00ed, zaplaven\u00ed, vzniku tvrd\u00fdch aglomer\u00e1t\u016f a nestejnom\u011brn\u00e9mu v\u00fdvoji odst\u00ednu.<\/p>\n

      B\u011b\u017en\u00e9 typy sm\u00e1\u010dedel<\/h3>\n

      R\u016fzn\u00e9 chemick\u00e9 p\u0159\u00edpravky \u0159e\u0161\u00ed r\u016fzn\u00e9 probl\u00e9my a volba spr\u00e1vn\u00e9ho typu zabra\u0148uje vedlej\u0161\u00edm \u00fa\u010dink\u016fm.<\/p>\n

      Neiontov\u00e1 sm\u00e1\u010dedla<\/strong>
      \u010casto se pou\u017e\u00edv\u00e1 pro \u0161irokou kompatibilitu a stabiln\u00ed v\u00fdkon. Mohou b\u00fdt dobrou univerz\u00e1ln\u00ed volbou v syst\u00e9mech na b\u00e1zi vody.<\/p>\n

      Aniontov\u00e1 sm\u00e1\u010dedla<\/strong>
      Siln\u00e1 sm\u00e1\u010dec\u00ed schopnost, b\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v \u010distic\u00edch prost\u0159edc\u00edch a n\u011bkter\u00fdch disperz\u00edch. Mohou v\u0161ak zvy\u0161ovat p\u011bnivost a mohou m\u00edt limity kompatibility s n\u011bkter\u00fdmi prysky\u0159icemi nebo solemi.<\/p>\n

      Kationtov\u00e1 sm\u00e1\u010dedla<\/strong>
      M\u00e9n\u011b \u010dast\u00e9 v n\u00e1t\u011brov\u00fdch hmot\u00e1ch, typi\u010dt\u011bj\u0161\u00ed ve speci\u00e1ln\u00edch aplikac\u00edch, kde je nutn\u00e1 interakce n\u00e1boje.<\/p>\n

      Sm\u00e1\u010dedla na b\u00e1zi silikonu<\/strong>
      Velmi \u00fa\u010dinn\u011b sni\u017euje povrchov\u00e9 nap\u011bt\u00ed a zlep\u0161uje kluznost\/vyrovn\u00e1v\u00e1n\u00ed. Vynikaj\u00edc\u00ed pro obt\u00ed\u017en\u00e9 podklady, ale p\u0159ed\u00e1vkov\u00e1n\u00ed m\u016f\u017ee n\u011bkdy zp\u016fsobit vady nebo probl\u00e9my s p\u0159ilnavost\u00ed mezi vrstvami, pokud nen\u00ed spr\u00e1vn\u011b slad\u011bno.<\/p>\n

      Fluorosurfaktanty (speci\u00e1ln\u00ed)<\/strong>
      Mimo\u0159\u00e1dn\u011b \u00fa\u010dinn\u00e9 pro n\u00edzkoenergetick\u00e9 substr\u00e1ty, ale obvykle se pou\u017e\u00edvaj\u00ed pouze v nezbytn\u00fdch p\u0159\u00edpadech z d\u016fvodu n\u00e1klad\u016f a regula\u010dn\u00edch opat\u0159en\u00ed.<\/p>\n

      Kde maj\u00ed sm\u00e1\u010dedla nejv\u011bt\u0161\u00ed p\u0159idanou hodnotu<\/h3>\n

      1) N\u00e1t\u011bry a barvy<\/strong>
      Sm\u00e1\u010dedla pom\u00e1haj\u00ed p\u0159edch\u00e1zet vzniku kr\u00e1ter\u016f, ryb\u00edch ok, d\u011br a \u0161patn\u00e9 tekutosti. Zlep\u0161uj\u00ed vyrovn\u00e1v\u00e1n\u00ed a pom\u00e1haj\u00ed n\u00e1t\u011br\u016fm sm\u00e1\u010det n\u00e1ro\u010dn\u00e9 podklady, jako je plast, d\u0159\u00edve nat\u0159en\u00fd kov nebo zne\u010di\u0161t\u011bn\u00e9 povrchy.<\/p>\n

      2) Disperze pigmentu a plniva<\/strong>
      Urychluj\u00ed dobu mlet\u00ed a sni\u017euj\u00ed spot\u0159ebu energie t\u00edm, \u017ee pom\u00e1haj\u00ed pr\u00e1\u0161ku rychleji se sm\u00e1\u010det. Lep\u0161\u00ed sm\u00e1\u010den\u00ed \u010dasto zlep\u0161uje lesk, v\u00fdvoj barev a stabilitu.<\/p>\n

      3) Lepidla a t\u011bsnic\u00ed materi\u00e1ly<\/strong>
      Sm\u00e1\u010dedla podporuj\u00ed lep\u0161\u00ed kontakt s podkladem a mohou zlep\u0161it konzistenci lepidla - zejm\u00e9na na por\u00e9zn\u00edch nebo pra\u0161n\u00fdch povr\u0161\u00edch.<\/p>\n

      4) Agrochemik\u00e1lie<\/strong>
      V post\u0159ic\u00edch sm\u00e1\u010dedlo pom\u00e1h\u00e1 kapk\u00e1m rozprost\u0159\u00edt se na voskovit\u00fdch listech, \u010d\u00edm\u017e zlep\u0161uje pokryt\u00ed a dod\u00e1vku \u00fa\u010dinn\u00e9 l\u00e1tky.<\/p>\n

      Jak vybrat spr\u00e1vn\u00fd sm\u00e1\u010dedlo (co zkontrolovat jako prvn\u00ed)<\/h3>\n

      Spr\u00e1vn\u00fd v\u00fdb\u011br je zalo\u017een na va\u0161em syst\u00e9mu, va\u0161em podkladu a va\u0161ich v\u00fdkonnostn\u00edch c\u00edlech:<\/p>\n

        \n
      • \n

        Na vodn\u00ed b\u00e1zi nebo na b\u00e1zi rozpou\u0161t\u011bdel?<\/strong> Ne ka\u017ed\u00e9 sm\u00e1\u010dedlo funguje v obou p\u0159\u00edpadech.<\/p>\n<\/li>\n

      • \n

        Citlivost na p\u011bnu:<\/strong> mnoho sm\u00e1\u010dedel zvy\u0161uje p\u011bnivost; mo\u017en\u00e1 budete pot\u0159ebovat odp\u011b\u0148ova\u010d.<\/p>\n<\/li>\n

      • \n

        Kompatibilita s prysky\u0159ic\u00ed\/spojivem:<\/strong> zabr\u00e1nit zaml\u017een\u00ed, separaci nebo viskozitn\u00edmu driftu.<\/p>\n<\/li>\n

      • \n

        Energie substr\u00e1tu:<\/strong> plasty a mastn\u00e9 povrchy mohou pot\u0159ebovat silikonov\u00e9 nebo speci\u00e1ln\u00ed sm\u00e1\u010dedla.<\/p>\n<\/li>\n

      • \n

        Po\u017eadavky na obnoven\u00ed n\u00e1t\u011bru a p\u0159ilnavost:<\/strong> zejm\u00e9na pro pr\u016fmyslov\u00e9 n\u00e1t\u011bry.<\/p>\n<\/li>\n

      • \n

        Regula\u010dn\u00ed pot\u0159eby:<\/strong> s n\u00edzk\u00fdm obsahem t\u011bkav\u00fdch organick\u00fdch l\u00e1tek, bez APEO, pro styk s potravinami atd.<\/p>\n<\/li>\n<\/ul>\n

        Tipy pro d\u00e1vkov\u00e1n\u00ed (vyhn\u011bte se klasick\u00fdm chyb\u00e1m)<\/h3>\n

        V\u011bt\u0161ina probl\u00e9m\u016f se sm\u00e1\u010dedly vznik\u00e1 kv\u016fli d\u00e1vkov\u00e1n\u00ed a po\u0159ad\u00ed p\u0159id\u00e1v\u00e1n\u00ed:<\/p>\n

          \n
        • \n

          P\u0159idat d\u0159\u00edve pro sm\u00e1\u010den\u00ed pigmentu<\/strong> (p\u0159ed nebo b\u011bhem rozptylu).<\/p>\n<\/li>\n

        • \n

          P\u0159idat zpo\u017ed\u011bn\u00ed pro sm\u00e1\u010den\u00ed\/proud\u011bn\u00ed substr\u00e1tu<\/strong> \u00fapravy (b\u011bhem vypou\u0161t\u011bn\u00ed), pokud je to nutn\u00e9.<\/p>\n<\/li>\n

        • \n

          Za\u010dn\u011bte s n\u00edzk\u00fdm mno\u017estv\u00edm - p\u0159\u00edli\u0161 mnoho povrchov\u011b aktivn\u00edch l\u00e1tek m\u016f\u017ee zp\u016fsobit citlivost na vodu, p\u011bn\u011bn\u00ed nebo sn\u00ed\u017eenou pevnost filmu.<\/p>\n<\/li>\n

        • \n

          V\u017edy testujte ve skute\u010dn\u00e9m slo\u017een\u00ed, nikoli pouze ve vod\u011b.<\/p>\n<\/li>\n<\/ul>\n

          Podtr\u017eeno, se\u010dteno<\/h3>\n

          Sm\u00e1\u010dedlo je mal\u00e1 slo\u017eka s velk\u00fdm \u00fakolem: pom\u00e1h\u00e1 kapalin\u011b se hladce rozt\u00edrat, pronikat a rozptylovat. P\u0159i spr\u00e1vn\u00e9 volb\u011b sni\u017euje v\u00fdskyt vad, urychluje disperzi, zlep\u0161uje vzhled a zvy\u0161uje st\u00e1lost kvality.<\/p>","protected":false},"excerpt":{"rendered":"

          Sm\u00e1\u010dedlo: Pokud jste n\u011bkdy bojovali s barvou, kter\u00e1 se [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"ast-content-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-opacity":"","overlay-gradient":""},"tablet":{"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-opacity":"","overlay-gradient":""},"mobile":{"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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2],"tags":[],"class_list":["post-48","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/posts\/48","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/comments?post=48"}],"version-history":[{"count":1,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/posts\/48\/revisions"}],"predecessor-version":[{"id":49,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/posts\/48\/revisions\/49"}],"wp:attachment":[{"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/media?parent=48"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/categories?post=48"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wettingagent.net\/cs\/wp-json\/wp\/v2\/tags?post=48"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}