{"id":278652,"date":"2021-10-14T13:12:08","date_gmt":"2021-10-14T13:12:08","guid":{"rendered":"https:\/\/www.sanier.pl\/bw-hasla\/pmma-polimetakrylan-metylu\/"},"modified":"2025-03-03T10:37:22","modified_gmt":"2025-03-03T10:37:22","slug":"pmma-polimetakrylan-metylu","status":"publish","type":"knowledgebase","link":"https:\/\/www.sanier.pl\/sk\/bw-hasla\/pmma-polimetakrylan-metylu\/","title":{"rendered":"PMMA (polymetylmetakryl\u00e1t)"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text]<\/p>\n<h2 data-start=\"36\" data-end=\"83\"><strong data-start=\"36\" data-end=\"83\">Polym\u00e9r, z ktor\u00e9ho sa vyr\u00e1ba akrylov\u00e9 sklo.<\/strong><\/h2>\n<p data-start=\"85\" data-end=\"278\">Be\u017ene naz\u00fdvan\u00e9 aj plexisklo. Je to materi\u00e1l tuh\u00fd, prieh\u013eadn\u00fd, termoplastick\u00fd. Prirodzene bezfarebn\u00fd, s v\u00fdnimo\u010dnou priezra\u010dnos\u0165ou, m\u00f4\u017ee by\u0165 zafarben\u00fd. Je odoln\u00fd vo\u010di mnoh\u00fdm \u017eierav\u00fdm chemik\u00e1li\u00e1m.<\/p>\n<p data-start=\"280\" data-end=\"379\" data-is-last-node=\"\" data-is-only-node=\"\">Tvrdos\u0165 PMMA sa nach\u00e1dza medzi drevom a oce\u013eou, d\u00e1 sa porovna\u0165 s mosadzou alebo \u013eahk\u00fdmi zliatinami.<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_column_text]<\/p>\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"f7659e7e-4393-4b52-8334-c2bc6148786e\" data-message-model-slug=\"gpt-4o-mini\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\">\n<p data-start=\"36\" data-end=\"69\"><strong data-start=\"36\" data-end=\"69\">Vybran\u00e9 vlastnosti plexiskla:<\/strong><\/p>\n<ul data-start=\"71\" data-end=\"807\">\n<li data-start=\"71\" data-end=\"176\">vysok\u00e1 prieh\u013eadnos\u0165 v oblasti vidite\u013en\u00e9ho svetla (priepustnos\u0165 pribli\u017ene 92 % pre dosku s hr\u00fabkou 3 mm)<\/li>\n<li data-start=\"177\" data-end=\"281\">odolnos\u0165 vo\u010di p\u00f4sobeniu ultrafialov\u00e9ho \u017eiarenia, v\u010faka \u010domu nedoch\u00e1dza k \u017eltnutiu materi\u00e1lu (UV dosky)<\/li>\n<li data-start=\"282\" data-end=\"344\">\u013eahk\u00e1 spracovate\u013enos\u0165, materi\u00e1l m\u00e1 termoplastick\u00e9 vlastnosti<\/li>\n<li data-start=\"345\" data-end=\"380\">maxim\u00e1lna teplota pou\u017eitia: 80 \u00b0C<\/li>\n<li data-start=\"381\" data-end=\"407\">teplota m\u00e4knutia: 115 \u00b0C<\/li>\n<li data-start=\"408\" data-end=\"571\">proces relax\u00e1cie (vypa\u013eovanie materi\u00e1lu \u2013 uvo\u013e\u0148ovanie vn\u00fatorn\u00fdch nap\u00e4t\u00ed po procese spracovania) prebieha pri st\u00e1lnej teplote 80 \u00b0C \u2013 1 h na 2 mm hr\u00fabky materi\u00e1lu<\/li>\n<li data-start=\"572\" data-end=\"646\">relat\u00edvne n\u00edzka teplota depolimeryz\u00e1cie, \u010do s\u00favis\u00ed s \u013eahk\u00fdm recyklovan\u00edm<\/li>\n<li data-start=\"647\" data-end=\"668\">hustota: 1,19 g\/cm\u00b3<\/li>\n<li data-start=\"669\" data-end=\"693\">pevnos\u0165 v \u0165ahu: 75 MPa<\/li>\n<li data-start=\"694\" data-end=\"720\">pevnos\u0165 v tlaku: 100 MPa<\/li>\n<li data-start=\"721\" data-end=\"766\">n\u00e1razov\u00e1 odolnos\u0165 pod\u013ea Charpyho: 1,5 kJ\/m\u00b2<\/li>\n<li data-start=\"767\" data-end=\"807\">tvrdos\u0165 pod\u013ea Shoreovej stupnice D: 75<\/li>\n<\/ul>\n<p data-start=\"809\" data-end=\"822\"><strong data-start=\"809\" data-end=\"822\">Nev\u00fdhoda:<\/strong><\/p>\n<ul data-start=\"824\" data-end=\"923\" data-is-last-node=\"\" data-is-only-node=\"\">\n<li data-start=\"824\" data-end=\"923\" data-is-last-node=\"\">n\u00edzka tvrdos\u0165 \u2013 povrch dosiek sa \u013eahko po\u0161kriabe, \u010do je obzvl\u00e1\u0161\u0165 vidite\u013en\u00e9 pri leskl\u00fdch povrchoch<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"mb-2 flex gap-3 empty:hidden -ml-2\">\n<div class=\"items-center justify-start rounded-xl p-1 flex\">\n<div class=\"flex items-center\"><\/div>\n<\/div>\n<\/div>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":1,"featured_media":280347,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","categories":[875],"tags":[],"class_list":["post-278652","knowledgebase","type-knowledgebase","status-publish","has-post-thumbnail","hentry","category-baza-wiedzy-sk"],"_links":{"self":[{"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/knowledgebase\/278652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/knowledgebase"}],"about":[{"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/types\/knowledgebase"}],"author":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/comments?post=278652"}],"version-history":[{"count":0,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/knowledgebase\/278652\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/media\/280347"}],"wp:attachment":[{"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/media?parent=278652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/categories?post=278652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sanier.pl\/sk\/wp-json\/wp\/v2\/tags?post=278652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}