[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.sdpv.cz\/u-sedacich-vaku-je-rozhodujici-co-se-nachazi-uvnitr\/#Article","mainEntityOfPage":"https:\/\/www.sdpv.cz\/u-sedacich-vaku-je-rozhodujici-co-se-nachazi-uvnitr\/","headline":"U sedac\u00edch vak\u016f je rozhoduj\u00edc\u00ed, co se nach\u00e1z\u00ed uvnit\u0159","name":"U sedac\u00edch vak\u016f je rozhoduj\u00edc\u00ed, co se nach\u00e1z\u00ed uvnit\u0159","description":"http:\/\/prirucka.ujc.cas.cz\/%3Fid%3D420 t-Type“ content=“text\/html; charset=UTF-8″> Pro\u010d se sedac\u00ed vaky staly celosv\u011btov\u00fdm hitem? M\u016f\u017ee za to pohodl\u00ed a tak trochu n\u00e1m v tom napomohli i v\u00fdrobci sedac\u00edch souprav, kter\u00e9 napodobuj\u00ed docela t\u011b\u017ekop\u00e1dn\u00fd a stroh\u00fd styl retro. Jak\u00e9 v\u00fdplni d\u00e1t p\u0159ednost P\u0159\u00edrodn\u00ed materi\u00e1l \u2013 mnoz\u00ed z n\u00e1s up\u0159ednost\u0148uj\u00ed p\u0159irozen\u00e9 p\u0159\u00edrodn\u00ed materi\u00e1ly za ka\u017edou cenu a p\u0159edpokl\u00e1daj\u00ed, \u017ee jestli\u017ee...","datePublished":"2019-12-03","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.sdpv.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.sdpv.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/75822ebcb33f26a58f54da5d813b950f2ea435f36540e293975e215a51d4a023?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/75822ebcb33f26a58f54da5d813b950f2ea435f36540e293975e215a51d4a023?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"sdpv.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.sdpv.cz\/wp-content\/uploads\/img_a372488_w2586_t1583929265.jpg","url":"https:\/\/www.sdpv.cz\/wp-content\/uploads\/img_a372488_w2586_t1583929265.jpg","height":0,"width":0},"url":"https:\/\/www.sdpv.cz\/u-sedacich-vaku-je-rozhodujici-co-se-nachazi-uvnitr\/","about":["V\u00fdrobky"],"wordCount":419,"articleBody":"http:\/\/prirucka.ujc.cas.cz\/%3Fid%3D420 t-Type“ content=“text\/html; charset=UTF-8″>   Pro\u010d se sedac\u00ed vaky staly celosv\u011btov\u00fdm hitem? M\u016f\u017ee za to pohodl\u00ed a tak trochu n\u00e1m v tom napomohli i v\u00fdrobci sedac\u00edch souprav, kter\u00e9 napodobuj\u00ed docela t\u011b\u017ekop\u00e1dn\u00fd a stroh\u00fd styl retro. Jak\u00e9 v\u00fdplni d\u00e1t p\u0159ednost P\u0159\u00edrodn\u00ed materi\u00e1l \u2013 mnoz\u00ed z n\u00e1s up\u0159ednost\u0148uj\u00ed p\u0159irozen\u00e9 p\u0159\u00edrodn\u00ed materi\u00e1ly za ka\u017edou cenu a p\u0159edpokl\u00e1daj\u00ed, \u017ee jestli\u017ee je zvol\u00ed i jako sou\u010d\u00e1st sedac\u00edho vaku, rozhodn\u011b neprohloup\u00ed. V tomto p\u0159\u00edpad\u011b je v\u0161ak situace slo\u017eit\u011bj\u0161\u00ed. P\u0159\u00edrodn\u00ed materi\u00e1l potahu z bavlny je pom\u011brn\u011b \u010dasto volenou mo\u017enost\u00ed, sice se h\u016f\u0159e udr\u017euje v \u010distot\u011b, ale jestli\u017ee se d\u00e1 sejmout a vyprat, nen\u00ed to \u0161patn\u00e9 \u0159e\u0161en\u00ed. Jin\u00e1 situace je v\u0161ak u materi\u00e1lu v\u00fdpln\u011b. Z p\u0159\u00edrodn\u00edch zdroj\u016f se jedn\u00e1 nej\u010dast\u011bji o otruby a slupky z obilovin, v\u011bt\u0161inou pohankov\u00e9 a p\u0161eni\u010dn\u00e9, ale vzhledem k jejich tvaru se nedok\u00e1\u017eou dob\u0159e p\u0159izp\u016fsobit tvaru lidsk\u00e9ho t\u011bla a tvo\u0159\u00ed na n\u011bkter\u00fdch m\u00edstech blok\u00e1dy. V\u00fdsledek pak neodpov\u00edd\u00e1 va\u0161im p\u0159edstav\u00e1m o pohodl\u00ed. Polystyren vede Z v\u00fdsledk\u016f mnohalet\u00fdch zku\u0161enost\u00ed v\u00fdrobc\u016f sedac\u00edch vak\u016f  vypl\u00fdv\u00e1, \u017ee dosud jedin\u00fd osv\u011bd\u010den\u00fd materi\u00e1l je polystyren, a to ve form\u011b tvrzen\u00e9ho granul\u00e1tu, resp. drobn\u00fdch kuli\u010dek, jejich\u017e v\u00fdrobn\u00ed ozna\u010den\u00ed je EPS. A pro\u010d zrovna kuli\u010dky? Promlouvaj\u00ed zde fyzik\u00e1ln\u00ed z\u00e1kony, a sice valiv\u00fd odpor (t\u0159en\u00ed) p\u0159i doteku jednotliv\u00fdch kuli\u010dek mezi sebou. Ten je ve srovn\u00e1n\u00ed s jin\u00fdmi tvary minim\u00e1ln\u00ed, t\u00edm se velmi rychle a bez probl\u00e9m\u016f mohou kuli\u010dky p\u0159izp\u016fsobit ka\u017ed\u00e9 t\u011blesn\u00e9 konstituci, a proto je tedy tento zp\u016fsob posezen\u00ed (nebo pole\u017een\u00ed) nesm\u00edrn\u011b efektivn\u00ed z hlediska pohodl\u00ed. V podstat\u011b nenajdete pohodln\u011bj\u0161\u00ed k\u0159eslo nebo pohovku, proto\u017ee ty tvo\u0159\u00ed v\u00fdpln\u011b obvykle z polyuretanu, a ten se pouze deformuje a nen\u00ed natolik p\u0159izp\u016fsobiv\u00fd lidsk\u00e9mu t\u011blu. D\u016fle\u017eit\u00e9 je ov\u0161em vybrat v\u00fdrobek, kter\u00fd umo\u017e\u0148uje kuli\u010dky doplnit nebo vym\u011bnit, ty toti\u017e ztr\u00e1c\u00ed \u010dasem sv\u00e9 vlastnosti a zplo\u0161\u0165uj\u00ed se. Na\u0161t\u011bst\u00ed nejsou n\u00e1hradn\u00ed v\u00fdpln\u011b drah\u00e9 a proces v\u00fdm\u011bny je velice snadn\u00fd.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"U sedac\u00edch vak\u016f je rozhoduj\u00edc\u00ed, co se nach\u00e1z\u00ed uvnit\u0159","item":"https:\/\/www.sdpv.cz\/u-sedacich-vaku-je-rozhodujici-co-se-nachazi-uvnitr\/#breadcrumbitem"}]}]