{"id":14452,"date":"2026-04-28T05:59:14","date_gmt":"2026-04-28T05:59:14","guid":{"rendered":"https:\/\/tenessy.com\/?p=14452"},"modified":"2026-04-28T05:59:15","modified_gmt":"2026-04-28T05:59:15","slug":"hecn-substituutioasteen-ds-ms-vaikutus-maalin-vedenpidatyskykyyn-ja-avoimenaoloaikaan","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fi\/hecn-substituutioasteen-ds-ms-vaikutus-maalin-vedenpidatyskykyyn-ja-avoimenaoloaikaan\/","title":{"rendered":"HEC:n korvausasteen (DS\/MS) vaikutus maalin vedenpid\u00e4tyskykyyn ja avoimeen aikaan"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14452\" class=\"elementor elementor-14452\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-flex e-con-boxed e-con e-parent\" data-id=\"fdbc6e4\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-20af60d elementor-widget elementor-widget-image\" data-id=\"20af60d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect-1024x682.jpg\" class=\"attachment-large size-large wp-image-5992\" alt=\"maali\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect-1024x682.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2024\/09\/can-of-white-paint-with-paint-brush-over-grey-background-shallow-depth-of-field-effect.jpg 2000w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\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<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Maalin koostumuksen suunnittelussa, <a href=\"https:\/\/tenessy.com\/products\/hec-hydroxyethyl-cellulose\/\">Hydroksietyyliselluloosa (HEC)<\/a> on yksi yleisimmin k\u00e4ytetyist\u00e4 reologian muokkaajista ja vedenpid\u00e4tysaineista. Monet tuotekehitt\u00e4j\u00e4t keskittyv\u00e4t kuitenkin usein vain viskositeettiin ja tuotemerkkiin, j\u00e4tt\u00e4en huomiotta kaksi ratkaisevan t\u00e4rke\u00e4\u00e4 teknist\u00e4 parametria \u2014\u00a0<strong>Korvaavuusaste (DS)<\/strong>\u00a0ja\u00a0<strong>Molaarinen substituutio (MS)<\/strong>. Itse asiassa n\u00e4m\u00e4 parametrit vaikuttavat suoraan maalin\u00a0<strong>vedenpid\u00e4tyskyky, avoin aika, ty\u00f6stett\u00e4vyys ja kalvonmuodostuksen laatu<\/strong>.<\/p><p class=\"ds-markdown-paragraph\">T\u00e4ss\u00e4 artikkelissa l\u00e4hdet\u00e4\u00e4n liikkeelle molekyylirakenteesta ja yhdistet\u00e4\u00e4n siihen k\u00e4yt\u00e4nn\u00f6n sovellustilanteita, jotta voidaan analysoida, miten DS ja MS vaikuttavat HEC:n suorituskykyyn <a href=\"https:\/\/tenessy.com\/applications\/painting-coatings-solutions\/hec-for-paints-coatings\/\">maalij\u00e4rjestelmiss\u00e4<\/a>, joka tarjoaa tieteelliseen tietoon perustuvia valintaohjeita.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I.  Mit\u00e4 ovat DS ja MS HEC:ss\u00e4?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d6e955 elementor-widget elementor-widget-image\" data-id=\"1d6e955\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-1024x683.jpg\" class=\"attachment-large size-large wp-image-12799\" alt=\"HEC-tuote\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2025\/08\/HEC-Product-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\">\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<div class=\"elementor-element elementor-element-68887be elementor-widget elementor-widget-heading\" data-id=\"68887be\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1.1 Korvausaste (DS)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7524a3 elementor-widget elementor-widget-text-editor\" data-id=\"d7524a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong>DS<\/strong>\u00a0tarkoittaa selluloosaketjussa glukoosiyksikk\u00f6\u00e4 kohti substituoitujen hydroksyyliryhmien keskim\u00e4\u00e4r\u00e4ist\u00e4 lukum\u00e4\u00e4r\u00e4\u00e4. Jokaisessa glukoosiyksik\u00f6ss\u00e4 on kolme reaktiivista hydroksyyliryhm\u00e4\u00e4, joten teoreettinen DS:n enimm\u00e4isarvo on 3.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>Korkeampi DS<\/strong>\u00a0\u2192 HEC:n ei-ioninen luonne on voimakkaampi, mink\u00e4 vuoksi se on v\u00e4hemm\u00e4n herkk\u00e4 suoloille ja pH-arvon muutoksille.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Maalauslaatuista HEC-tuotetta koskeva tyypillinen DS-alue<\/strong>: 1,0\u20132,5, ja useimpien maalilaatujen arvo on v\u00e4lill\u00e4 1,5\u20132,2.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d3dbef elementor-widget elementor-widget-heading\" data-id=\"8d3dbef\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1.2 Molaarinen substituutio (MS)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1ef794 elementor-widget elementor-widget-text-editor\" data-id=\"a1ef794\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong>MS<\/strong>\u00a0on glukoosiyksikk\u00f6\u00e4 kohti substituoitujen hydroksietyyliryhmien keskim\u00e4\u00e4r\u00e4inen moolim\u00e4\u00e4r\u00e4. Koska hydroksietyyliryhm\u00e4t voivat k\u00e4yd\u00e4 l\u00e4pi\u00a0<strong>lis\u00e4eetter\u00f6inti<\/strong>\u00a0(muodostaen ketjumaisia sivuketjuja), MS voi ylitt\u00e4\u00e4 arvon 3.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>Korkeampi MS<\/strong>\u00a0\u2192 voimakkaampi hydrofiilisyys ja vedenpid\u00e4tyskyky, mutta liuoksen rakenne muuttuu enemm\u00e4n.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Maalauslaatuista HEC:t\u00e4 koskeva tyypillinen MS-alue<\/strong>: 1,8\u20133,5.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f709a6 elementor-widget elementor-widget-heading\" data-id=\"9f709a6\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Yksinkertaistettu selitys:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f90c21c elementor-widget elementor-widget-text-editor\" data-id=\"f90c21c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">DS m\u00e4\u00e4ritt\u00e4\u00e4 HEC:n \u201dsubstituutiotiheyden\u201d.<\/p><\/li><li><p class=\"ds-markdown-paragraph\">MS m\u00e4\u00e4ritt\u00e4\u00e4 \u201dsivuketjun pituuden ja hydrofiilisyyden asteen\u201d.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II.  Miten korvaamisaste vaikuttaa maalin vedenpid\u00e4tyskykyyn?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4a0d139 elementor-widget elementor-widget-heading\" data-id=\"4a0d139\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2.1 Vedenpid\u00e4tyksen ydin<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c7729ed elementor-widget elementor-widget-text-editor\" data-id=\"c7729ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Vedenpid\u00e4tyskykyll\u00e4 tarkoitetaan HEC:n kyky\u00e4 sitoa vesimolekyylej\u00e4 vetysidosten avulla sen j\u00e4lkeen, kun se on levitetty huokoisille alustoille (esim. kipsilevy, betoni, puu), mik\u00e4 hidastaa veden tunkeutumista alustaan tai haihtumista. Huono vedenpid\u00e4tyskyky johtaa seuraaviin seurauksiin:<\/p><ul><li><p class=\"ds-markdown-paragraph\">Kuivuu nopeasti reunoissa ja kulmissa<\/p><\/li><li><p class=\"ds-markdown-paragraph\">N\u00e4kyv\u00e4t kierrosj\u00e4ljet<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Katkonainen kalvonmuodostus<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Heikko pigmentin kiinnittyminen<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0506129 elementor-widget elementor-widget-heading\" data-id=\"0506129\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2.2 DS:n vaikutus vedenpid\u00e4tyskykyyn<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4bdde9 elementor-widget elementor-widget-text-editor\" data-id=\"a4bdde9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th>DS-taso<\/th><th>Vaikutus vedenpid\u00e4tyskykyyn<\/th><\/tr><\/thead><tbody><tr><td>Alhainen DS (&lt;1,5)<\/td><td>Heikentynyt liukoisuus veteen, huono vedenpid\u00e4tyskyky, taipumus flokkulointiin tai saostumiseen<\/td><\/tr><tr><td>Keskitasoinen DS (1,5\u20132,2)<\/td><td>Paras vedenpid\u00e4tyskyky, liukoisuuden ja vetysidosten lujuuden tasapaino<\/td><\/tr><tr><td>Korkea DS (&gt;2,5)<\/td><td>Korkea hydrofiilisyys, mutta alhaisempi rakenteellinen j\u00e4ykkyys; vedenpid\u00e4tyskyky on hieman heikentynyt<\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\"><strong>Keskeinen seikka<\/strong>: Korkeampi DS-arvo ei aina ole parempi. Useimpien maalien optimaalinen DS-arvo on v\u00e4lill\u00e4 1,8\u20132,0, jolloin muodostuu vakaa hydraatiokerros.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-00775b3 elementor-widget elementor-widget-heading\" data-id=\"00775b3\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2.3 MS:n vaikutus vedenpid\u00e4tyskykyyn<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-77e4b92 elementor-widget elementor-widget-text-editor\" data-id=\"77e4b92\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">MS vaikuttaa ensisijaisesti sivuketjujen \u201dhydraatiokykyyn\u201d. Korkeampi MS-arvo tarkoittaa pidempi\u00e4 sivuketjuja ja enemm\u00e4n vetysidospaikkoja, mik\u00e4 parantaa\u00a0<strong>v\u00e4lit\u00f6n vedenpid\u00e4tyskyky<\/strong>.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>Korkea MS-arvo (&gt;3,0)<\/strong>: Voimakas vedenpid\u00e4tyskyky, erityisesti korkeissa l\u00e4mp\u00f6tiloissa ja alhaisessa ilmankosteudessa \u2014 ihanteellinen\u00a0<strong>kes\u00e4rakentaminen<\/strong>\u00a0tai\u00a0<strong>kuivat ilmastot<\/strong>.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Alhainen MS-arvo (&lt;2,0)<\/strong>: Kohtalainen vedenpid\u00e4tyskyky, reunat kuivuvat helposti.<\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\">Esimerkki: Samalla viskositeetilla ja annostuksella MS-arvon nostaminen arvosta 2,0 arvoon 3,2 pident\u00e4\u00e4 avointa aikaa noin 15\u201325%.<\/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<div class=\"elementor-element elementor-element-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. Avoin aika: ty\u00f6stett\u00e4vyysikkunan keskeinen m\u00e4\u00e4ritt\u00e4v\u00e4 tekij\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fdf935 elementor-widget elementor-widget-heading\" data-id=\"9fdf935\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3.1 Mik\u00e4 on avoin aika?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdbd11f elementor-widget elementor-widget-text-editor\" data-id=\"bdbd11f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Avoin aika on maalauksen j\u00e4lkeen j\u00e4ljell\u00e4 oleva aika, jonka kuluessa korjauksia, tasoitusta tai teksturointia voidaan viel\u00e4 tehd\u00e4. Avoimen ajan pident\u00e4minen on erityisen t\u00e4rke\u00e4\u00e4 korkealaatuisille lateksimaaleille ja teksturoiduille pinnoitteille.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba9f0a0 elementor-widget elementor-widget-heading\" data-id=\"ba9f0a0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3.2 Miten HEC s\u00e4\u00e4telee avointa aikaa DS\/MS:n avulla<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-01f881f elementor-widget elementor-widget-text-editor\" data-id=\"01f881f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Avoin aika liittyy l\u00e4heisesti vedenpid\u00e4tyskykyyn, mutta se ei ole sama asia. Siihen liittyy my\u00f6s kyky\u00a0<strong>pinnan pinnoituksen viiv\u00e4stys<\/strong>.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>Alhainen DS + alhainen MS<\/strong>: Nopea veden vapautuminen, lyhyt avausaika (&lt;5 min), sopii vain pikakuivausj\u00e4rjestelmiin.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Keskitasoinen DS + keskitasoinen\u2013korkea MS<\/strong>: Ihanteellinen yhdistelm\u00e4, kuivumisaika 10\u201320 minuuttia, sopii useimpiin sis\u00e4- ja ulkomaaleihin.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Korkea DS + korkea MS<\/strong>: Eritt\u00e4in pitk\u00e4 k\u00e4ytt\u00f6aika (&gt;25 min), mutta voi aiheuttaa rullien tarttumista, hidasta kuivumista ja lohkeilunesto-ongelmia \u2014 vaatii lis\u00e4aineita.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8693a8e elementor-widget elementor-widget-heading\" data-id=\"8693a8e\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3.3 MS:n ja avoimen ajan vertailu kokeellisten havaintojen perusteella<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1752857 elementor-widget elementor-widget-text-editor\" data-id=\"1752857\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Tyypilliset testitulokset (25 \u00b0C, 50% RH):<\/p><ul><li><p class=\"ds-markdown-paragraph\">HEC A (MS=2,2): aukioloaika \u2248 12 min<\/p><\/li><li><p class=\"ds-markdown-paragraph\">HEC B (MS=3,1): aukioloaika \u2248 17 min<\/p><\/li><li><p class=\"ds-markdown-paragraph\">HEC C (MS=3,8): avoin aika \u2248 24 min (mutta tiksotropian huomattava heikkeneminen)<\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\">Johtop\u00e4\u00e4t\u00f6s: MS-arvon 0,5:n nousu pident\u00e4\u00e4 aukioloaikaa noin 20\u201330%, mutta kustannustehokkuus heikkenee merkitt\u00e4v\u00e4sti, kun arvo ylitt\u00e4\u00e4 3,5.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-83ea234 elementor-widget elementor-widget-heading\" data-id=\"83ea234\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV. DS\/MS:n toissijaiset vaikutukset muihin keskeisiin ominaisuuksiin<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3712386 elementor-widget elementor-widget-text-editor\" data-id=\"3712386\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th>Kiinteist\u00f6<\/th><th>Alhainen DS<\/th><th>Keskikokoinen DS (suositeltava)<\/th><th>Korkea MS<\/th><\/tr><\/thead><tbody><tr><td>Suolankest\u00e4vyys<\/td><td>Huono<\/td><td>Hyv\u00e4<\/td><td>Kohtalainen<\/td><\/tr><tr><td>pH:n stabiilius<\/td><td>Huono<\/td><td>Vakaa<\/td><td>Vakaa<\/td><\/tr><tr><td>Liukenemisnopeus<\/td><td>Hidas<\/td><td>Nopea<\/td><td>Nopea (mutta taipuvainen paakkuuntumaan)<\/td><\/tr><tr><td>Biostabiilius<\/td><td>Kohtalainen<\/td><td>Hyv\u00e4<\/td><td>Heikko (sivuketjut ovat entsyymille herkki\u00e4)<\/td><\/tr><tr><td>Taipumiskest\u00e4vyys<\/td><td>Kohtalainen<\/td><td>Hyv\u00e4<\/td><td>Hieman alennettu<\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\">Huomautus: Korkean MS-arvon omaava HEC on alttiimpi sellulaasin aiheuttamalle hajoamiselle. S\u00e4il\u00f6nt\u00e4aineita tarvitaan pitk\u00e4aikaiseen varastointiin tai tiettyjen biopolymeerien kanssa teht\u00e4viin sekoituksiin.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3f4944 elementor-widget elementor-widget-heading\" data-id=\"a3f4944\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V. Miten valita maalausj\u00e4rjestelm\u00e4llesi sopiva DS\/MS?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8fce879 elementor-widget elementor-widget-text-editor\" data-id=\"8fce879\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Suositeltujen valintojen taulukko (TENESSY)<\/h3><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within _1210dd7 c03cafe9\"><table><thead><tr><th>Maalityyppi<\/th><th>Suositeltu DS<\/th><th>Suositeltu MS<\/th><th>Syy<\/th><\/tr><\/thead><tbody><tr><td>Sis\u00e4k\u00e4ytt\u00f6\u00f6n tarkoitettu mattalateksimaali<\/td><td>1,8\u20132,0<\/td><td>2,2\u20132,8<\/td><td>Tasapainoinen k\u00e4ytt\u00f6aika ja roiskeenkest\u00e4vyys<\/td><\/tr><tr><td>Elastomeerinen ulkomaali<\/td><td>2,0\u20132,2<\/td><td>2,8\u20133,2<\/td><td>Erinomainen vedenpid\u00e4tyskyky, kest\u00e4\u00e4 kuumia ja kuivia olosuhteita<\/td><\/tr><tr><td>Tekstuurimaali \/ kivipinnoite<\/td><td>1,6\u20131,9<\/td><td>2,0\u20132,5<\/td><td>Est\u00e4\u00e4 hiusten notkahtamista, kuivattaa hiuksia kohtuullisesti<\/td><\/tr><tr><td>Teollisuusk\u00e4ytt\u00f6\u00f6n tarkoitettu vesiohenteinen maali<\/td><td>&gt;2,0<\/td><td>2,2\u20132,8<\/td><td>Suolaa ja elektrolyyttej\u00e4 kest\u00e4v\u00e4<\/td><\/tr><tr><td>Kuivaseosmaali<\/td><td>1,8\u20132,0<\/td><td>2,5\u20133,0<\/td><td>Nopea nesteytys, vakaa sekoitusviskositeetti<\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\">Huomautus: N\u00e4m\u00e4 ovat tyypillisi\u00e4 vaihteluv\u00e4lej\u00e4. S\u00e4\u00e4d\u00e4 arvoja tarpeen mukaan yhteensopivasti koko reologiaj\u00e4rjestelm\u00e4n (esim. HEUR, HASE) kanssa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9cf3064 elementor-widget elementor-widget-heading\" data-id=\"9cf3064\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u2165. Yleisi\u00e4 v\u00e4\u00e4rink\u00e4sityksi\u00e4 ja annosteluohjeita<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1640c9f elementor-widget elementor-widget-heading\" data-id=\"1640c9f\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u274c V\u00e4\u00e4r\u00e4 k\u00e4sitys 1: Korkeampi MS-arvo on aina parempi<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d55bd9a elementor-widget elementor-widget-text-editor\" data-id=\"d55bd9a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">Tosiasia: Liian korkea MS-arvo voi aiheuttaa:<\/p><ul><li class=\"ds-markdown-paragraph\">Tahmea pinta<\/li><li class=\"ds-markdown-paragraph\">Pienempi hankauskest\u00e4vyys<\/li><li class=\"ds-markdown-paragraph\">Heikko biostabiilius<\/li><li>Tarpeettoman korkeat kustannukset<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-50daeaa elementor-widget elementor-widget-heading\" data-id=\"50daeaa\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u274c V\u00e4\u00e4rink\u00e4sitys 2: DS ei vaikuta merkitt\u00e4v\u00e4sti j\u00e4rjestelm\u00e4\u00e4n<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43231fd elementor-widget elementor-widget-text-editor\" data-id=\"43231fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Tosiasia: DS vaikuttaa suoraan HEC:n liukenemisk\u00e4ytt\u00e4ytymiseen ja suolankest\u00e4vyyteen vedess\u00e4, erityisesti j\u00e4rjestelmiss\u00e4, joissa on korkea PVC-pitoisuus tai jotka sis\u00e4lt\u00e4v\u00e4t elektrolyyttej\u00e4.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6b046c elementor-widget elementor-widget-heading\" data-id=\"d6b046c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Suositukset:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bacec33 elementor-widget elementor-widget-text-editor\" data-id=\"bacec33\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Selvit\u00e4 maalij\u00e4rjestelm\u00e4n suolapitoisuus ja pH-alue<\/strong>\u00a0\u2192 Valitse pienin DS-arvo.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Sovelluksen k\u00e4ytt\u00f6olosuhteiden (l\u00e4mp\u00f6tila\/kosteus) ja avaamisaikavaatimusten perusteella<\/strong>\u00a0\u2192 Valitse MS-alue.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Pienimuotoinen koe<\/strong>: Tarkkaile HEC:n liukenemisnopeutta ja geelihiukkasten esiintymist\u00e4 sekoituksen aikana.<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9a784bf elementor-widget elementor-widget-heading\" data-id=\"9a784bf\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">P\u00e4\u00e4telm\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcd3898 elementor-widget elementor-widget-text-editor\" data-id=\"bcd3898\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\">HEC:n DS- ja MS-arvot eiv\u00e4t noudata periaatetta \u201dkorkeampi on parempi\u201d tai \u201dmatalampi on parempi\u201d \u2014 ne ovat\u00a0<strong>kyse on siit\u00e4, ett\u00e4 valmisteiden vaatimukset vastaavat toisiaan<\/strong>.<\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong>DS<\/strong>\u00a0m\u00e4\u00e4ritt\u00e4\u00e4 runkorakenteen vakauden ja j\u00e4rjestelm\u00e4n kest\u00e4vyyden.<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>MS<\/strong>\u00a0m\u00e4\u00e4ritt\u00e4\u00e4 hydrofiilisyyden ja avoimen ajan.<\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\">Maalien suorituskykyvaatimusten kiristyess\u00e4 DS\/MS-parametrien ymm\u00e4rt\u00e4minen ja oikea valinta ovat t\u00e4rke\u00e4 askel tuotteen kilpailukyvyn parantamisessa ja koostumuskustannusten alentamisessa.<\/p><p class=\"ds-markdown-paragraph\">Jos tarvitset n\u00e4ytteit\u00e4 tai teknist\u00e4 tukea, k\u00e4y osoitteessa\u00a0<a href=\"https:\/\/tenessy.com\/\"><strong>TENESSY:n virallinen verkkosivusto<\/strong><\/a>\u00a0ja <a href=\"https:\/\/tenessy.com\/contact\/\">ota yhteytt\u00e4 maalaustekniikan tiimiimme<\/a>.<\/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":"<p>Hydroksietyyliselluloosa (HEC) on yksi yleisimmin k\u00e4ytetyist\u00e4 reologian muokkaajista ja vedenpid\u00e4tt\u00e4jist\u00e4 maalien muotoilussa.<\/p>","protected":false},"author":1,"featured_media":5992,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"_links":{"self":[{"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/posts\/14452","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/comments?post=14452"}],"version-history":[{"count":11,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/posts\/14452\/revisions"}],"predecessor-version":[{"id":14463,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/posts\/14452\/revisions\/14463"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/media\/5992"}],"wp:attachment":[{"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/media?parent=14452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/categories?post=14452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tenessy.com\/fi\/wp-json\/wp\/v2\/tags?post=14452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}