{"id":125234,"date":"2017-02-21T12:39:44","date_gmt":"2017-02-21T04:39:44","guid":{"rendered":"https:\/\/www.pandasilk.com\/structure-and-properties-of-wool-fibre\/"},"modified":"2025-01-15T10:42:41","modified_gmt":"2025-01-15T18:42:41","slug":"structure-and-properties-of-wool-fibre","status":"publish","type":"post","link":"https:\/\/www.pandasilk.com\/cs\/structure-and-properties-of-wool-fibre\/","title":{"rendered":"Vl\u00e1kno vlny: Struktura a vlastnosti"},"content":{"rendered":"

Vlna, jeden z nejstar\u0161\u00edch a nejpou\u017e\u00edvan\u011bj\u0161\u00edch textiln\u00edch materi\u00e1l\u016f, fascinuje sv\u00fdmi unik\u00e1tn\u00edmi vlastnostmi po tis\u00edcilet\u00ed. Jej\u00ed schopnost h\u0159\u00e1t i chladit, odolnost a pru\u017enost ji \u010din\u00ed ide\u00e1ln\u00ed volbou pro \u0161irokou \u0161k\u00e1lu od\u011bv\u016f a dal\u0161\u00edch textili\u00ed. Pochopen\u00ed struktury vl\u00e1kna je kl\u00ed\u010dov\u00e9 pro pochopen\u00ed jeho v\u00fdjime\u010dn\u00fdch vlastnost\u00ed.<\/p>\n

Chemick\u00e9 slo\u017een\u00ed vlny<\/h3>\n

Vlna je protein zvan\u00fd keratin, stejn\u00fd protein, kter\u00fd tvo\u0159\u00ed lidsk\u00e9 vlasy a nehty. Keratin se skl\u00e1d\u00e1 z aminokyselin uspo\u0159\u00e1dan\u00fdch do slo\u017eit\u00fdch \u0159et\u011bzc\u016f. Tyto \u0159et\u011bzce jsou propojeny r\u016fzn\u00fdmi vazbami, kter\u00e9 ur\u010duj\u00ed pevnost a pru\u017enost vl\u00e1kna. D\u016fle\u017eitou roli hraje obsah s\u00edry, kter\u00fd ovliv\u0148uje chemick\u00e9 reakce vlny.<\/p>\n

Morfologie vln\u011bn\u00e9ho vl\u00e1kna<\/h3>\n

Vln\u011bn\u00e9 vl\u00e1kno m\u00e1 slo\u017eitou strukturu, kterou lze zjednodu\u0161en\u011b rozd\u011blit na t\u0159i vrstvy: kutikulu, kortex a medulu.<\/p>\n

    \n
  1. Kutikula:<\/strong> Vn\u011bj\u0161\u00ed vrstva tvo\u0159en\u00e1 p\u0159ekr\u00fdvaj\u00edc\u00edmi se \u0161upinkami, kter\u00e9 chr\u00e1n\u00ed vl\u00e1kno p\u0159ed po\u0161kozen\u00edm a dod\u00e1vaj\u00ed mu hydrofobn\u00ed vlastnosti.<\/li>\n
  2. Kortex:<\/strong> St\u0159edn\u00ed vrstva tvo\u0159en\u00e1 pod\u00e9ln\u011b uspo\u0159\u00e1dan\u00fdmi bu\u0148kami, kter\u00e9 ur\u010duj\u00ed pevnost, pru\u017enost a barvu vlny.<\/li>\n
  3. Medula:<\/strong> Vnit\u0159n\u00ed vrstva, kter\u00e1 m\u016f\u017ee b\u00fdt u n\u011bkter\u00fdch druh\u016f vln\u011bn\u00fdch vl\u00e1ken dut\u00e1, co\u017e p\u0159isp\u00edv\u00e1 k tepeln\u011b izola\u010dn\u00edm vlastnostem.<\/li>\n<\/ol>\n

    Fyzik\u00e1ln\u00ed vlastnosti vlny<\/h3>\n

    Vlna vykazuje \u0159adu specifick\u00fdch fyzik\u00e1ln\u00edch vlastnost\u00ed, kter\u00e9 ji odli\u0161uj\u00ed od jin\u00fdch textiln\u00edch materi\u00e1l\u016f.<\/p>\n\n\n\n\n\n\n\n\n
    Vlastnost<\/th>\nPopis<\/th>\n<\/tr>\n<\/thead>\n
    Hygroskopicita<\/td>\nSchopnost absorbovat vlhkost ze vzduchu.<\/td>\n<\/tr>\n
    Termoizola\u010dn\u00ed<\/td>\nSchopnost udr\u017eovat teplo.<\/td>\n<\/tr>\n
    Pru\u017enost<\/td>\nSchopnost vl\u00e1kna vr\u00e1tit se do p\u016fvodn\u00edho tvaru.<\/td>\n<\/tr>\n
    Odolnost<\/td>\nOdolnost proti od\u011bru a po\u0161kozen\u00ed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Vliv struktury na vlastnosti<\/h3>\n

    Struktura vlny p\u0159\u00edmo ovliv\u0148uje jej\u00ed vlastnosti. Nap\u0159\u00edklad \u0161upinky kutikuly zp\u016fsobuj\u00ed, \u017ee vlna je odoln\u00e1 v\u016f\u010di vod\u011b, ale z\u00e1rove\u0148 umo\u017e\u0148uje absorpci vlhkosti ve form\u011b p\u00e1ry. Pru\u017enost vl\u00e1kna je d\u00e1na uspo\u0159\u00e1d\u00e1n\u00edm bun\u011bk v kortexu. Dut\u00e1 medula u n\u011bkter\u00fdch druh\u016f vln\u011bn\u00fdch vl\u00e1ken zvy\u0161uje jejich tepeln\u011b izola\u010dn\u00ed vlastnosti.<\/p>\n

    Zpracov\u00e1n\u00ed vlny<\/h3>\n

    Zpracov\u00e1n\u00ed vlny zahrnuje n\u011bkolik krok\u016f, od st\u0159\u00edh\u00e1n\u00ed ovc\u00ed a\u017e po fin\u00e1ln\u00ed \u00fapravu textilie. Ka\u017ed\u00fd krok ovliv\u0148uje v\u00fdsledn\u00e9 vlastnosti vlny. D\u016fle\u017eit\u00e9 je nap\u0159\u00edklad spr\u00e1vn\u00e9 pran\u00ed a \u010des\u00e1n\u00ed vlny, aby se odstranily ne\u010distoty a vl\u00e1kna se spr\u00e1vn\u011b uspo\u0159\u00e1dala.<\/p>\n

    Vlna je d\u00edky sv\u00e9 unik\u00e1tn\u00ed struktu\u0159e a vlastnostem v\u00fdjime\u010dn\u00fd materi\u00e1l s \u0161irok\u00fdm spektrem vyu\u017eit\u00ed. Od od\u011bv\u016f a bytov\u00fdch textili\u00ed a\u017e po technick\u00e9 aplikace, vlna nab\u00edz\u00ed kombinaci funk\u010dnosti, komfortu a trvanlivosti, kter\u00e1 je t\u011b\u017eko napodobiteln\u00e1. Pochopen\u00ed vztahu mezi strukturou a vlastnostmi vlny n\u00e1m umo\u017e\u0148uje l\u00e9pe vyu\u017e\u00edt jej\u00ed potenci\u00e1l a docenit jej\u00ed v\u00fdjime\u010dnost.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Vlna, jeden z nejstar\u0161\u00edch a nejpou\u017e\u00edvan\u011bj\u0161\u00edch textiln\u00edch materi\u00e1l\u016f, fascinuje sv\u00fdmi unik\u00e1tn\u00edmi vlastnostmi po tis\u00edcilet\u00ed. Jej\u00ed schopnost h\u0159\u00e1t i chladit, odolnost a pru\u017enost ji \u010din\u00ed ide\u00e1ln\u00ed volbou pro \u0161irokou \u0161k\u00e1lu od\u011bv\u016f a dal\u0161\u00edch textili\u00ed. Pochopen\u00ed struktury vl\u00e1kna je kl\u00ed\u010dov\u00e9 pro pochopen\u00ed jeho v\u00fdjime\u010dn\u00fdch vlastnost\u00ed. Chemick\u00e9 slo\u017een\u00ed vlny Vlna je protein zvan\u00fd keratin, stejn\u00fd protein, kter\u00fd tvo\u0159\u00ed<\/p>\n","protected":false},"author":1,"featured_media":49341,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37912],"tags":[],"class_list":["post-125234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-textile-cs","prodpage-classic"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/125234","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=125234"}],"version-history":[{"count":0,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/posts\/125234\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media\/49341"}],"wp:attachment":[{"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/media?parent=125234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/categories?post=125234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pandasilk.com\/cs\/wp-json\/wp\/v2\/tags?post=125234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}