{"id":1252,"date":"2026-08-31T08:49:36","date_gmt":"2026-08-31T06:49:36","guid":{"rendered":"https:\/\/livemat.cz\/?p=1252"},"modified":"2026-08-31T08:49:37","modified_gmt":"2026-08-31T06:49:37","slug":"proc-neni-prodysnost-jen-otazkou-materialu","status":"publish","type":"post","link":"https:\/\/livemat.cz\/?p=1252","title":{"rendered":"Pro\u010d nen\u00ed prody\u0161nost jen ot\u00e1zkou materi\u00e1lu"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kdy\u017e hled\u00e1me prody\u0161n\u00e9 oble\u010den\u00ed, obvykle se nejprve pod\u00edv\u00e1me na jeho slo\u017een\u00ed. Samotn\u00fd druh vl\u00e1kna ale nesta\u010d\u00ed. O tom, jak snadno m\u016f\u017ee mezi poko\u017ekou a okol\u00edm proudit vzduch a jak se odv\u00e1d\u00ed teplo a vlhkost, rozhoduje tak\u00e9 konstrukce textilie, jej\u00ed gram\u00e1\u017e, st\u0159ih a dal\u0161\u00ed vrstvy oble\u010den\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>Stejn\u00fd materi\u00e1l m\u016f\u017ee fungovat r\u016fzn\u011b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dv\u011b tri\u010dka ze stejn\u00e9ho materi\u00e1lu nemus\u00ed b\u00fdt stejn\u011b vzdu\u0161n\u00e1. Rozd\u00edl m\u016f\u017ee vytv\u00e1\u0159et hustota tkaniny nebo pleteniny \u2013 \u010d\u00edm t\u011bsn\u011bji jsou p\u0159\u00edze uspo\u0159\u00e1dan\u00e9, t\u00edm m\u00e9n\u011b prostoru mezi nimi zpravidla zb\u00fdv\u00e1 pro proud\u011bn\u00ed vzduchu. V\u00fdznam m\u00e1 tak\u00e9 tlou\u0161\u0165ka p\u0159\u00edze a zp\u016fsob, jak\u00fdm je textilie vyrobena. \u00dadaj o materi\u00e1lov\u00e9m slo\u017een\u00ed proto popisuje pouze \u010d\u00e1st jej\u00edch vlastnost\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>Gram\u00e1\u017e napov\u00ed, ale nerozhodne sama<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gram\u00e1\u017e ud\u00e1v\u00e1 hmotnost textilie na jednotku plochy. Vy\u0161\u0161\u00ed gram\u00e1\u017e obvykle znamen\u00e1 v\u00edce materi\u00e1lu, automaticky ale ne\u0159\u00edk\u00e1, \u017ee od\u011bv bude m\u00e9n\u011b prody\u0161n\u00fd. Z\u00e1le\u017e\u00ed tak\u00e9 na struktu\u0159e l\u00e1tky a mno\u017estv\u00ed voln\u00e9ho prostoru mezi p\u0159\u00edzemi. P\u0159i v\u00fdb\u011bru d\u00e1v\u00e1 v\u011bt\u0161\u00ed smysl hodnotit gram\u00e1\u017e spole\u010dn\u011b s hustotou a konstrukc\u00ed textilie ne\u017e jako samostatn\u00fd ukazatel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>St\u0159ih ovliv\u0148uje proud\u011bn\u00ed vzduchu<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prody\u0161nost nen\u00ed jen vlastnost\u00ed l\u00e1tky, ale i cel\u00e9ho od\u011bvu. Voln\u011bj\u0161\u00ed st\u0159ih vytv\u00e1\u0159\u00ed mezi poko\u017ekou a textilem v\u00edce prostoru pro cirkulaci vzduchu. P\u0159il\u00e9hav\u011bj\u0161\u00ed oble\u010den\u00ed naopak omezuje proud\u011bn\u00ed, m\u016f\u017ee v\u0161ak l\u00e9pe udr\u017eovat kontakt materi\u00e1lu s poko\u017ekou. Dob\u0159e je to patrn\u00e9 t\u0159eba u <a href=\"https:\/\/www.andrie.cz\/Panske-pradlo\/Dle-materialu-23\/Bavlna-24\/\"><u>bavln\u011bn\u00fdch boxerek<\/u><\/a>. O v\u00fdsledn\u00e9m pocitu p\u0159i no\u0161en\u00ed nerozhoduje pouze pod\u00edl bavlny, ale tak\u00e9 p\u0159il\u00e9havost st\u0159ihu, tlou\u0161\u0165ka pleteniny, proveden\u00ed nohavi\u010dek a p\u0159\u00edpadn\u00fd pod\u00edl elastick\u00fdch vl\u00e1ken.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a> <strong>Ka\u017ed\u00e1 dal\u0161\u00ed vrstva m\u011bn\u00ed podm\u00ednky<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ani velmi prody\u0161n\u00e1 prvn\u00ed vrstva nemus\u00ed fungovat stejn\u011b, pokud ji p\u0159ekryjeme n\u011bkolika m\u00e9n\u011b propustn\u00fdmi materi\u00e1ly. Vrstven\u00ed m\u011bn\u00ed proud\u011bn\u00ed vzduchu i zp\u016fsob, jak\u00fdm se mezi oble\u010den\u00edm a t\u011blem hromad\u00ed teplo a vlhkost. Proto stejn\u00e9 <a href=\"https:\/\/www.andrie.cz\/\"><u>spodn\u00ed pr\u00e1dlo<\/u><\/a> m\u016f\u017eeme vn\u00edmat jinak pod voln\u00fdmi letn\u00edmi kalhotami a jinak pod t\u011bsn\u00fdm nebo siln\u00fdm od\u011bvem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i v\u00fdb\u011bru oble\u010den\u00ed proto nesta\u010d\u00ed hledat jeden \u201enejprody\u0161n\u011bj\u0161\u00ed\u201c materi\u00e1l. D\u016fle\u017eit\u00e1 je kombinace slo\u017een\u00ed, konstrukce textilie, gram\u00e1\u017ee, st\u0159ihu a zp\u016fsobu vrstven\u00ed. Souhra t\u011bchto aspekt\u016f rozhoduje o tom, jak dob\u0159e m\u016f\u017ee kolem t\u011bla proudit vzduch a jak p\u0159\u00edjemn\u011b se budeme v oble\u010den\u00ed c\u00edtit p\u0159i del\u0161\u00edm no\u0161en\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kdy\u017e hled\u00e1me prody\u0161n\u00e9 oble\u010den\u00ed, obvykle se nejprve pod\u00edv\u00e1me na jeho slo\u017een\u00ed. Samotn\u00fd druh vl\u00e1kna ale nesta\u010d\u00ed. O tom, jak snadno m\u016f\u017ee mezi poko\u017ekou a okol\u00edm proudit vzduch a jak se odv\u00e1d\u00ed teplo a vlhkost, rozhoduje tak\u00e9 konstrukce textilie, jej\u00ed gram\u00e1\u017e, st\u0159ih a dal\u0161\u00ed vrstvy oble\u010den\u00ed. Stejn\u00fd materi\u00e1l m\u016f\u017ee fungovat r\u016fzn\u011b Dv\u011b tri\u010dka ze stejn\u00e9ho materi\u00e1lu [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1253,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-1252","post","type-post","status-publish","format-standard","has-post-thumbnail","category-rady-a-navody"],"amp_enabled":false,"_links":{"self":[{"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/posts\/1252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/livemat.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1252"}],"version-history":[{"count":1,"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/posts\/1252\/revisions"}],"predecessor-version":[{"id":1254,"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/posts\/1252\/revisions\/1254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/livemat.cz\/index.php?rest_route=\/wp\/v2\/media\/1253"}],"wp:attachment":[{"href":"https:\/\/livemat.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/livemat.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/livemat.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}