{"id":336,"date":"2026-01-28T13:25:12","date_gmt":"2026-01-28T11:25:12","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=336"},"modified":"2026-01-28T13:25:12","modified_gmt":"2026-01-28T11:25:12","slug":"uz-nikdy-nevyhadzujte-plastove-flase-vyvarte-ich-niekolko-sekund-a-uvidite-co-sa-stane-dalej-prezradil-mi-to-odbornik","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=336","title":{"rendered":"U\u017e nikdy nevyhadzujte plastov\u00e9 f\u013ea\u0161e: Vyvarte ich nieko\u013eko sek\u00fand a uvid\u00edte, \u010do sa stane \u010falej (prezradil mi to odborn\u00edk)"},"content":{"rendered":"\n<p>Tento typ titulkov \u010dasto v\u00eddame na internete ako \u201ezaru\u010den\u00e9 triky od odborn\u00edkov\u201c, no v pr\u00edpade plastov\u00fdch flia\u0161 a vriacej vody treba by\u0165 <strong>ve\u013emi opatrn\u00fd<\/strong>. Tu nejde len o kreativitu, ale o ch\u00e9miu a bezpe\u010dnos\u0165.<\/p>\n\n\n\n<p>Po\u010fme sa pozrie\u0165 na to, \u010do sa s f\u013ea\u0161ou (naj\u010dastej\u0161ie materi\u00e1l PET) pri vyvaren\u00ed skuto\u010dne stane a \u010di to m\u00e1 zmysel.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co sa stane pri kontakte s vriacou vodou?<\/h3>\n\n\n\n<p>Plastov\u00e9 f\u013ea\u0161e s\u00fa vyroben\u00e9 z polyetyl\u00e9ntereftal\u00e1tu (<strong>PET<\/strong>). Tento materi\u00e1l m\u00e1 n\u00edzky bod m\u00e4knutia (okolo $70^\\circ\\text{C}$):<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Tvarov\u00e1 pam\u00e4\u0165 (Smr\u0161\u0165ovanie):<\/strong> Ak do PET f\u013ea\u0161e nalejete vriacu vodu ($100^\\circ\\text{C}$), f\u013ea\u0161a sa okam\u017eite za\u010dne deformova\u0165 a \u201escvrkne\u201c sa. Plast sa vr\u00e1ti do stavu pred vyf\u00faknut\u00edm do formy.<\/li>\n\n\n\n<li><strong>Uvo\u013e\u0148ovanie l\u00e1tok:<\/strong> Pri vysok\u00fdch teplot\u00e1ch sa z PET plastu m\u00f4\u017eu do vody uvo\u013e\u0148ova\u0165 mikroplasty alebo chemick\u00e9 zl\u00fa\u010deniny (napr. antim\u00f3n), ktor\u00e9 nie s\u00fa ur\u010den\u00e9 na konzum\u00e1ciu.<\/li>\n\n\n\n<li><strong>Zhrubnutie materi\u00e1lu:<\/strong> Po vyvaren\u00ed a n\u00e1slednom ochladen\u00ed plast stvrdne a zhrubne.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ak\u00fd \u201ez\u00e1zrak\u201c by v\u00e1m odborn\u00edk mohol prezradi\u0165?<\/h3>\n\n\n\n<p>Existuje nieko\u013eko praktick\u00fdch (ale aj bizarn\u00fdch) sp\u00f4sobov, ako tento efekt vyu\u017ei\u0165, no <strong>v\u017edy len na dekorat\u00edvne alebo technick\u00e9 \u00fa\u010dely<\/strong>, nikdy nie na jedlo:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pevn\u00e9 spojovacie kr\u00fa\u017eky:<\/strong> Ak vyvar\u00edte len pr\u00fa\u017eok vyrezan\u00fd z f\u013ea\u0161e okolo dvoch kusov dreva, plast sa stiahne tak silno, \u017ee vytvor\u00ed spoj pevn\u00fd ako kovov\u00e1 svorka.<\/li>\n\n\n\n<li><strong>Tvarovanie \u00falo\u017en\u00fdch boxov:<\/strong> Kr\u00e1tkym ponoren\u00edm do hor\u00facej vody sa daj\u00fa okraje odrezanej f\u013ea\u0161e \u201ezatiahnu\u0165\u201c dovn\u00fatra, tak\u017ee nie s\u00fa ostr\u00e9 a m\u00f4\u017eete f\u013ea\u0161u pou\u017ei\u0165 ako dr\u017eiak na per\u00e1 \u010di n\u00e1radie bez rizika porezania.<\/li>\n\n\n\n<li><strong>V\u00fdroba plastov\u00fdch \u201elaniek\u201c:<\/strong> Ak f\u013ea\u0161u nare\u017eete na dlh\u00fd tenk\u00fd p\u00e1sik a n\u00e1sledne ho zahrejete (napr. teplovzdu\u0161nou pi\u0161to\u013eou alebo vriacou vodou), p\u00e1sik sa zmen\u00ed na extr\u00e9mne pevn\u00fa plastov\u00fa strunu, ktor\u00e1 udr\u017e\u00ed desiatky kilogramov.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Varovanie pred \u201einternetov\u00fdmi receptami\u201c<\/h3>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Pozor:<\/strong> Na soci\u00e1lnych sie\u0165ach koluj\u00fa vide\u00e1, kde \u013eudia pou\u017e\u00edvaj\u00fa vyvaren\u00e9 f\u013ea\u0161e ako formy na varenie \u0161unky alebo vaj\u00ed\u010dok. <strong>Toto nikdy nerobte!<\/strong> Be\u017en\u00e9 f\u013ea\u0161e nie s\u00fa stavan\u00e9 na tepeln\u00fa \u00fapravu potrav\u00edn a riskujete kontamin\u00e1ciu jedla tox\u00ednmi.<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co s f\u013ea\u0161ami rad\u0161ej robi\u0165?<\/h3>\n\n\n\n<p>Ak ich nechcete len vyhodi\u0165 do separovan\u00e9ho zberu, sk\u00faste toto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Samozavla\u017eovacie kvetin\u00e1\u010de:<\/strong> Odre\u017ete horn\u00fa tretinu, oto\u010dte ju hrdlom dole do spodnej \u010dasti a dopl\u0148te kn\u00f4t.<\/li>\n\n\n\n<li><strong>Organiz\u00e9r do dielne:<\/strong> Prieh\u013eadn\u00e9 spodky flia\u0161 s\u00fa ide\u00e1lne na klince a skrutky.<\/li>\n<\/ul>\n\n\n\n<p><strong>Zauj\u00edmal v\u00e1s tento trik sk\u00f4r kv\u00f4li recykl\u00e1cii v z\u00e1hrade, alebo ste h\u013eadali sp\u00f4sob, ako vyrobi\u0165 nie\u010do praktick\u00e9 do dom\u00e1cnosti?<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tento typ titulkov \u010dasto v\u00eddame na internete ako \u201ezaru\u010den\u00e9 triky od odborn\u00edkov\u201c, no v pr\u00edpade plastov\u00fdch flia\u0161 a vriacej vody treba by\u0165 ve\u013emi opatrn\u00fd. Tu nejde len o kreativitu, ale [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":337,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-336","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zivotne-triky"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/336"}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=336"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/336\/revisions"}],"predecessor-version":[{"id":338,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/336\/revisions\/338"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/337"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}