{"id":58997,"date":"2024-01-16T12:24:23","date_gmt":"1970-01-01T00:00:00","guid":{"rendered":"https:\/\/minipress.ru\/katalog\/?p=58997"},"modified":"2024-03-27T13:27:43","modified_gmt":"2024-03-27T10:27:43","slug":"clasificacion-de-parches-por-composicion","status":"publish","type":"post","link":"https:\/\/minipress.ru\/farmaceutico-equipos\/tecnologias-de-produccion-farmaceutica\/clasificacion-de-parches-por-composicion\/","title":{"rendered":"Clasificaci\u00f3n de parches por composici\u00f3n"},"content":{"rendered":"
According<\/span> to<\/span> the<\/span> composition<\/span> of<\/span> the<\/span> adhesive<\/span> masses,<\/span> plasters<\/span> are<\/span> divided<\/span> into<\/span> ordinary<\/span> and<\/span> rubber.<\/span> Ordinary<\/span> plasters<\/span> (Emplastra<\/span> Ordinarid)<\/span> are<\/span> divided<\/span> into<\/span> lead,<\/span> lead-resin,<\/span> lead-wax<\/span> and<\/span> resin-wax<\/span> depending<\/span> on<\/span> the<\/span> substances<\/span> prevailing<\/span> in<\/span> the<\/span> plaster<\/span> base.<\/span> These<\/span> patches<\/span> contain<\/span> lead<\/span> soap<\/span> as<\/span> a<\/span> mandatory<\/span> component,<\/span> which<\/span> has<\/span> the<\/span> following<\/span> positive<\/span> properties:<\/span> it<\/span> has<\/span> no<\/span> hardness,<\/span> is<\/span> easily<\/span> fused<\/span> with<\/span> resins,<\/span> waxes<\/span> and<\/span> various<\/span> medicinal<\/span> substances,<\/span> and<\/span> is<\/span> also<\/span> stable<\/span> during<\/span> storage.<\/span>\r\nA<\/span> negative<\/span> property<\/span> of<\/span> lead<\/span> soaps<\/span> is<\/span> their<\/span> non-indifference.<\/span> A<\/span> simple<\/span> lead<\/span> plaster<\/span> (Emplastrum<\/span> Plumbi<\/span> simplex).<\/span> The<\/span> group<\/span> of<\/span> lead<\/span> patches<\/span> includes<\/span> a<\/span> simple<\/span> lead<\/span> patch,<\/span> which<\/span> is<\/span> chemically<\/span> a<\/span> mixture<\/span> of<\/span> lead<\/span> salts<\/span> of<\/span> higher<\/span> fatty<\/span> acids<\/span> (stearic,<\/span> palmitic<\/span> and<\/span> oleic),<\/span> and<\/span> also<\/span> contains<\/span> traces<\/span> of<\/span> unsaponified<\/span> fats<\/span> and<\/span> no<\/span> more<\/span> than<\/span> 3%<\/span> water.<\/span> The<\/span> patch<\/span> consists<\/span> of<\/span> 10<\/span> parts<\/span> of<\/span> sunflower<\/span> oil,<\/span> 10<\/span> parts<\/span> of<\/span> purified<\/span> pork<\/span> fat,<\/span> 10<\/span> parts<\/span> of<\/span> lead<\/span> oxide<\/span> in<\/span> the<\/span> smallest<\/span> powder<\/span> and<\/span> distilled<\/span> water<\/span> in<\/span> the<\/span> amount<\/span> necessary<\/span> for<\/span> the<\/span> formation<\/span> of<\/span> a<\/span> homogeneous<\/span> plastic<\/span> mass.<\/span> The<\/span> basis<\/span> for<\/span> obtaining<\/span> this<\/span> patch<\/span> is<\/span> the<\/span> reaction<\/span> of<\/span> saponification<\/span> of<\/span> fats<\/span> with<\/span> lead<\/span> oxide<\/span> in<\/span> the<\/span> presence<\/span> of<\/span> water<\/span> at<\/span> the<\/span> coating<\/span> point<\/span> of<\/span> the<\/span> mass<\/span> in<\/span> a<\/span> stainless<\/span> steel<\/span> coating<\/span> or<\/span> an<\/span> enameled<\/span> coating<\/span> with<\/span> a<\/span> steam<\/span> jacket<\/span> equipped<\/span> with<\/span> a<\/span> stirrer.<\/span> It<\/span> should<\/span> be<\/span> remembered<\/span> that<\/span> in<\/span> the<\/span> manufacture<\/span> of<\/span> a<\/span> simple<\/span> lead<\/span> plaster,<\/span> copper<\/span> and<\/span> tinned<\/span> copper<\/span> coating<\/span> cannot<\/span> be<\/span> used.<\/span> Let's<\/span> consider<\/span> the<\/span> technological<\/span> process<\/span> of<\/span> production<\/span> of<\/span> a<\/span> simple<\/span> lead<\/span> plaster.<\/span> Fats<\/span> are<\/span> melted<\/span> in<\/span> a<\/span> steam-heated<\/span> coating<\/span>.<\/span> Then<\/span> the<\/span> steam<\/span> intake<\/span> is<\/span> suspended<\/span> and<\/span> lead<\/span> oxide<\/span> is<\/span> added<\/span> in<\/span> the<\/span> form<\/span> of<\/span> a<\/span> fine<\/span> suspension<\/span> in<\/span> two<\/span> parts<\/span> of<\/span> water.<\/span> After<\/span> that,<\/span> turn<\/span> on<\/span> the<\/span> stirrer<\/span> and<\/span> after<\/span> 15<\/span> minutes<\/span> at<\/span> a<\/span> temperature<\/span> of<\/span> 100-110<\/span> \u00b0<\/span> C,<\/span> hot<\/span> water<\/span> is<\/span> added<\/span> to<\/span> the<\/span> coating<\/span> in<\/span> small<\/span> portions<\/span> every<\/span> 5<\/span> minutes,<\/span> making<\/span> sure<\/span> that<\/span> it<\/span> does<\/span> not<\/span> balls<\/span> completely.<\/span><\/span><\/pre>\n","protected":false},"excerpt":{"rendered":"
According to the composition of the adhesive masses, plasters are divided into ordinary and rubber. Ordinary plasters (Emplastra Ordinarid) are divided into lead, lead-resin, lead-wax and resin-wax depending on the substances prevailing in the plaster base. These patches contain lead soap as a mandatory component, which has the following positive properties: it has no hardness,…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2204,2175],"tags":[2380,2381,43,2212,2378,2374,2373,2205,2209,39,2377,2370,2206,2210,2372,2379,2211,2207,2376,2375,2208,2371],"rttpg_featured_image_url":null,"rttpg_author":{"display_name":".. Autor Roman Tsibulsky","author_link":"https:\/\/minipress.ru\/farmaceutico-equipos\/author\/admin\/"},"rttpg_comment":0,"rttpg_category":"EQUIPO DE PRODUCCI\u00d3N DE YESO<\/a> TECNOLOG\u00cdAS DE PRODUCCI\u00d3N FARMAC\u00c9UTICA<\/a>","rttpg_excerpt":"According to the composition of the adhesive masses, plasters are divided into ordinary and rubber. Ordinary plasters (Emplastra Ordinarid) are divided into lead, lead-resin, lead-wax and resin-wax depending on the substances prevailing in the plaster base. These patches contain lead soap as a mandatory component, which has the following positive properties: it has no hardness,...","_links":{"self":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts\/58997"}],"collection":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/comments?post=58997"}],"version-history":[{"count":0,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/posts\/58997\/revisions"}],"wp:attachment":[{"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/media?parent=58997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/categories?post=58997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/minipress.ru\/farmaceutico-equipos\/wp-json\/wp\/v2\/tags?post=58997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}