{"id":806,"date":"2018-02-28T17:34:20","date_gmt":"2018-02-28T17:34:20","guid":{"rendered":"https:\/\/masterchem.ee\/product\/melamiini\/"},"modified":"2021-06-27T10:38:30","modified_gmt":"2021-06-27T10:38:30","slug":"melamiini","status":"publish","type":"product","link":"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/melamiini\/","title":{"rendered":"Melamiini (CAS 108-78-1)"},"content":{"rendered":"<p style=\"text-align: left;\">Melamiinia valmistetaan\u00a0<a title=\"Urea\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Urea\">ureasta<\/a>.<\/p>\n<dl>\n<dd>6 (NH<sub>2<\/sub>)<sub>2<\/sub>CO \u2192 C<sub>3<\/sub>H<sub>6<\/sub>N<sub>6<\/sub>\u00a0+ 6 NH<sub>3<\/sub>\u00a0+ 3 CO<sub>2<\/sub><\/dd>\n<\/dl>\n<p style=\"text-align: left;\">Urea hajoaa ensin\u00a0<a title=\"Isosyaanihappo\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Isosyaanihappo\">isosyaanihapoksi<\/a>\u00a0endotermisess\u00e4 reaktiossa (NH<sub>2<\/sub>)<sub>2<\/sub>CO \u2192 HCNO + NH<sub>3<\/sub>. Sen j\u00e4lkeen syaanihappo polymerisoituu muodostaen melamiinia ja\u00a0<a title=\"Hiilidioksidi\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Hiilidioksidi\">hiilidioksidia<\/a>: 6 HCNO \u2192 C<sub>3<\/sub>H<sub>6<\/sub>N<sub>6<\/sub>\u00a0+ 3 CO<sub>2<\/sub>. Toinen reaktio on\u00a0<a class=\"mw-redirect\" title=\"Eksoterminen\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Eksoterminen\">eksoterminen<\/a>, ja lopullinen prosessi\u00a0<a class=\"mw-redirect\" title=\"Endoterminen\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Endoterminen\">endoterminen<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p style=\"text-align: justify;\"><b>Melamiini<\/b>\u00a0on orgaaninen em\u00e4s (pK<sub>a<\/sub>\u00a0= 8,95<sup id=\"cite_ref-1\" class=\"reference\"><a href=\"https:\/\/fi.wikipedia.org\/wiki\/Melamiini#cite_note-1\">[1]<\/a><\/sup>), jonka kemiallinen kaava on\u00a0<a title=\"Hiili\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Hiili\">C<\/a><sub>3<\/sub><a title=\"Vety\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Vety\">H<\/a><sub>6<\/sub><a title=\"Typpi\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Typpi\">N<\/a><sub>6<\/sub>. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n\u00a0<a title=\"Formaldehydi\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Formaldehydi\">formaldehydiin<\/a>yhdist\u00e4m\u00e4ll\u00e4 p\u00e4\u00e4asiassa melamiinihartsin valmistukseen, ja siit\u00e4 saadaan kest\u00e4v\u00e4\u00e4 kerta<a title=\"Muovi\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Muovi\">muovia<\/a>. T\u00e4t\u00e4 muovia k\u00e4ytet\u00e4\u00e4n muun muassa keitti\u00f6tarvikkeissa ja astioissa. Melamiinia k\u00e4ytet\u00e4\u00e4n\u00a0<a title=\"Laminaatti\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Laminaatti\">laminaattina<\/a>\u00a0ja siit\u00e4 valmistetaan\u00a0<a title=\"Valkotaulu\" href=\"https:\/\/fi.wikipedia.org\/wiki\/Valkotaulu\">valkotauluja<\/a>.<\/p>\n<p style=\"text-align: justify;\">\n<p>CAS: 108-78-1<\/p>\n","protected":false},"featured_media":6618,"template":"","meta":[],"product_brand":[],"product_cat":[180,114],"product_tag":[],"class_list":{"0":"post-806","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-uncategorized-fi-2","7":"product_cat-rakennusteollisuus","8":"pif-has-gallery","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-variable","16":"has-default-attributes"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Melamiini (CAS 108-78-1) - Chemistry For Industry - Solvents &amp; Chemicals - Masterchem.ee<\/title>\n<meta name=\"description\" content=\"Melamiini on orgaaninen em\u00e4s (pKa = 8,95), jonka kemiallinen kaava on C3H6N6. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n formaldehydiinyhdist\u00e4m\u00e4ll\u00e4 p\u00e4\u00e4asiassa melamiinihartsin valmistukseen, ja siit\u00e4 saadaan kest\u00e4v\u00e4\u00e4 kertamuovia. T\u00e4t\u00e4 muovia k\u00e4ytet\u00e4\u00e4n muun muassa keitti\u00f6tarvikkeissa ja astioissa. CAS: 108-78-1\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/melamiini\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Melamiini (CAS 108-78-1) - Chemistry For Industry - Solvents &amp; Chemicals - Masterchem.ee\" \/>\n<meta name=\"twitter:description\" content=\"Melamiini on orgaaninen em\u00e4s (pKa = 8,95), jonka kemiallinen kaava on C3H6N6. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n formaldehydiinyhdist\u00e4m\u00e4ll\u00e4 p\u00e4\u00e4asiassa melamiinihartsin valmistukseen, ja siit\u00e4 saadaan kest\u00e4v\u00e4\u00e4 kertamuovia. T\u00e4t\u00e4 muovia k\u00e4ytet\u00e4\u00e4n muun muassa keitti\u00f6tarvikkeissa ja astioissa. 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Sit\u00e4 k\u00e4ytet\u00e4\u00e4n formaldehydiinyhdist\u00e4m\u00e4ll\u00e4 p\u00e4\u00e4asiassa melamiinihartsin valmistukseen, ja siit\u00e4 saadaan kest\u00e4v\u00e4\u00e4 kertamuovia. T\u00e4t\u00e4 muovia k\u00e4ytet\u00e4\u00e4n muun muassa keitti\u00f6tarvikkeissa ja astioissa. CAS: 108-78-1","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/masterchem.ee\/fi\/tooted-ja-teenused\/melamiini\/","twitter_card":"summary_large_image","twitter_title":"Melamiini (CAS 108-78-1) - Chemistry For Industry - Solvents &amp; Chemicals - Masterchem.ee","twitter_description":"Melamiini on orgaaninen em\u00e4s (pKa = 8,95), jonka kemiallinen kaava on C3H6N6. Sit\u00e4 k\u00e4ytet\u00e4\u00e4n formaldehydiinyhdist\u00e4m\u00e4ll\u00e4 p\u00e4\u00e4asiassa melamiinihartsin valmistukseen, ja siit\u00e4 saadaan kest\u00e4v\u00e4\u00e4 kertamuovia. 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