{"id":121874,"date":"2021-07-29T20:19:36","date_gmt":"2021-07-30T03:19:36","guid":{"rendered":"https:\/\/www.pandasilk.com\/physical-properties-applications-of-silk\/"},"modified":"2025-01-15T10:41:09","modified_gmt":"2025-01-15T18:41:09","slug":"physical-properties-applications-of-silk","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/physical-properties-applications-of-silk\/","title":{"rendered":"Hedv\u00e1b\u00ed: Vyu\u017eit\u00ed fyzik\u00e1ln\u00edch vlastnost\u00ed"},"content":{"rendered":"<p>Hedv\u00e1b\u00ed, p\u0159\u00edrodn\u00ed vl\u00e1kno produkovan\u00e9 bource moru\u0161ov\u00fdm, je po stalet\u00ed cen\u011bno pro svou kr\u00e1su a luxusn\u00ed vzhled.  M\u00e9n\u011b zn\u00e1m\u00e9 jsou v\u0161ak jeho pozoruhodn\u00e9 fyzik\u00e1ln\u00ed vlastnosti, kter\u00e9 otev\u00edraj\u00ed dve\u0159e k \u0161irok\u00e9 \u0161k\u00e1le aplikac\u00ed, sahaj\u00edc\u00edch od textiln\u00edho pr\u016fmyslu a\u017e po biomedic\u00ednu.  Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na fascinuj\u00edc\u00ed sv\u011bt fyzik\u00e1ln\u00edch vlastnost\u00ed hedv\u00e1b\u00ed a jejich praktick\u00e9 vyu\u017eit\u00ed.<\/p>\n<h3>Pevnost a pru\u017enost<\/h3>\n<p>Hedv\u00e1b\u00ed je p\u0159ekvapiv\u011b pevn\u00e9 a z\u00e1rove\u0148 pru\u017en\u00e9. Jeho pevnost v tahu je srovnateln\u00e1 s n\u011bkter\u00fdmi ocelemi, a\u010dkoliv je hedv\u00e1b\u00ed mnohem leh\u010d\u00ed.  Tato vlastnost je d\u00e1na specifickou molekul\u00e1rn\u00ed strukturou hedv\u00e1bn\u00e9ho vl\u00e1kna, tvo\u0159en\u00e9ho proteiny fibroinem a sericinem. Pru\u017enost hedv\u00e1b\u00ed umo\u017e\u0148uje jeho nata\u017een\u00ed a\u017e o 20% p\u016fvodn\u00ed d\u00e9lky bez trval\u00e9 deformace.<\/p>\n<h3>Termoregula\u010dn\u00ed vlastnosti<\/h3>\n<p>Hedv\u00e1b\u00ed je vynikaj\u00edc\u00edm termoregul\u00e1torem. Dok\u00e1\u017ee udr\u017eovat p\u0159\u00edjemnou t\u011blesnou teplotu jak v tepl\u00e9m, tak i v chladn\u00e9m prost\u0159ed\u00ed.  V l\u00e9t\u011b hedv\u00e1b\u00ed odv\u00e1d\u00ed vlhkost a chlad\u00ed, v zim\u011b naopak izoluje a h\u0159eje.  Tato vlastnost je d\u016fsledkem por\u00e9zn\u00ed struktury hedv\u00e1bn\u00e9ho vl\u00e1kna, kter\u00e1 umo\u017e\u0148uje cirkulaci vzduchu.<\/p>\n<h3>Biokompatibilita a biodegradabilita<\/h3>\n<p>Hedv\u00e1b\u00ed je biokompatibiln\u00ed materi\u00e1l, co\u017e znamen\u00e1, \u017ee je sn\u00e1\u0161enliv\u00fd s lidsk\u00fdm t\u011blem a nezp\u016fsobuje alergick\u00e9 reakce.  D\u00edky t\u00e9to vlastnosti se hedv\u00e1b\u00ed pou\u017e\u00edv\u00e1 v medic\u00edn\u011b nap\u0159\u00edklad pro v\u00fdrobu chirurgick\u00fdch nit\u00ed nebo obvaz\u016f.  Nav\u00edc je hedv\u00e1b\u00ed i biodegradabiln\u00ed, tak\u017ee se v p\u0159\u00edrod\u011b snadno rozkl\u00e1d\u00e1 a nezat\u011b\u017euje \u017eivotn\u00ed prost\u0159ed\u00ed.<\/p>\n<h3>Optick\u00e9 vlastnosti<\/h3>\n<p>Hedv\u00e1b\u00ed m\u00e1 charakteristick\u00fd lesk a jemn\u00fd t\u0159pyt.  Tento efekt je zp\u016fsoben troj\u00faheln\u00edkov\u00fdm pr\u016f\u0159ezem hedv\u00e1bn\u00e9ho vl\u00e1kna, kter\u00e9 l\u00e1me sv\u011btlo podobn\u011b jako hranol.  Optick\u00e9 vlastnosti hedv\u00e1b\u00ed jsou d\u016fvodem jeho popularity v textiln\u00edm pr\u016fmyslu pro v\u00fdrobu luxusn\u00edho oble\u010den\u00ed a dopl\u0148k\u016f.<\/p>\n<h3>Aplikace v textiln\u00edm pr\u016fmyslu<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Aplikace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pevnost a pru\u017enost<\/td>\n<td>Odoln\u00e9 a pohodln\u00e9 oble\u010den\u00ed, spodn\u00ed pr\u00e1dlo<\/td>\n<\/tr>\n<tr>\n<td>Termoregulace<\/td>\n<td>Funk\u010dn\u00ed oble\u010den\u00ed pro sport a voln\u00fd \u010das<\/td>\n<\/tr>\n<tr>\n<td>Lesk a jemnost<\/td>\n<td>Luxusn\u00ed od\u011bvy, \u0161\u00e1tky, kravaty<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Aplikace v biomedic\u00edn\u011b<\/h3>\n<table class=\"table table-striped table-bordered\">\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Aplikace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Biokompatibilita<\/td>\n<td>Chirurgick\u00e9 nit\u011b, obvazy, tk\u00e1\u0148ov\u00e9 in\u017een\u00fdrstv\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Biodegradabilita<\/td>\n<td>Implant\u00e1ty, nosi\u010de l\u00e9\u010div<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Aplikace v dal\u0161\u00edch oblastech<\/h3>\n<p>Hedv\u00e1b\u00ed nach\u00e1z\u00ed uplatn\u011bn\u00ed i v dal\u0161\u00edch oblastech, nap\u0159\u00edklad v kosmetice (p\u0159\u00edsada do kr\u00e9m\u016f a masek), v elektronice (flexibiln\u00ed displeje) a v automobilov\u00e9m pr\u016fmyslu (v\u00fdroba airbag\u016f).<\/p>\n<p>Z\u00e1v\u011brem lze konstatovat, \u017ee hedv\u00e1b\u00ed je fascinuj\u00edc\u00ed materi\u00e1l s unik\u00e1tn\u00edmi fyzik\u00e1ln\u00edmi vlastnostmi, kter\u00e9 mu otev\u00edraj\u00ed cestu k \u0161irok\u00e9 \u0161k\u00e1le aplikac\u00ed.  Od tradi\u010dn\u00edho textiln\u00edho pr\u016fmyslu a\u017e po modern\u00ed biomedic\u00ednu a dal\u0161\u00ed inovativn\u00ed oblasti, hedv\u00e1b\u00ed i nad\u00e1le dokazuje sv\u016fj potenci\u00e1l a z\u016fst\u00e1v\u00e1 cenn\u00fdm zdrojem inspirace pro v\u011bdce a in\u017een\u00fdry.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hedv\u00e1b\u00ed, p\u0159\u00edrodn\u00ed vl\u00e1kno produkovan\u00e9 bource moru\u0161ov\u00fdm, je po stalet\u00ed cen\u011bno pro svou kr\u00e1su a luxusn\u00ed vzhled. M\u00e9n\u011b zn\u00e1m\u00e9 jsou v\u0161ak jeho pozoruhodn\u00e9 fyzik\u00e1ln\u00ed vlastnosti, kter\u00e9 otev\u00edraj\u00ed dve\u0159e k \u0161irok\u00e9 \u0161k\u00e1le aplikac\u00ed, sahaj\u00edc\u00edch od textiln\u00edho pr\u016fmyslu a\u017e po biomedic\u00ednu. Tento \u010dl\u00e1nek se zam\u011b\u0159\u00ed na fascinuj\u00edc\u00ed sv\u011bt fyzik\u00e1ln\u00edch vlastnost\u00ed hedv\u00e1b\u00ed a jejich praktick\u00e9 vyu\u017eit\u00ed. Pevnost a pru\u017enost<\/p>\n","protected":false},"author":1,"featured_media":89764,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37890],"tags":[],"class_list":["post-121874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-silk-benefits-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/comments?post=121874"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/121874\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/89764"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=121874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=121874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=121874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}