[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.vesmont.cz\/jak-se-vyrabi-extrudovany-polystyren\/#Article","mainEntityOfPage":"https:\/\/www.vesmont.cz\/jak-se-vyrabi-extrudovany-polystyren\/","headline":"Jak se vyr\u00e1b\u00ed extrudovan\u00fd polystyren?","name":"Jak se vyr\u00e1b\u00ed extrudovan\u00fd polystyren?","description":"Je to pom\u011brn\u011b slo\u017eit\u00fd proces, i kdy\u017e v\u00a0principu jednoduch\u00fd. Jde o proces tzv. extruze, kter\u00e1 vznik\u00e1 vytla\u010dov\u00e1n\u00edm krystalick\u00e9ho polystyrenu ve form\u011b taveniny, do n\u00ed\u017e se p\u0159id\u00e1v\u00e1 vzduch speci\u00e1ln\u00edm mechanick\u00fdm p\u011bnidlem. Nap\u011bn\u011bn\u00e1 hmota se n\u00e1sledn\u011b ochlad\u00ed a vst\u0159ikuje do formy podle pot\u0159eby. V\u00fdsledkem je pak onen zn\u00e1m\u00fd polystyren v podob\u011b na sebe nalepen\u00fdch kuli\u010dek, kter\u00e9 se … ","datePublished":"2025-03-04","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.vesmont.cz\/author\/#Person","name":"vesmont.cz\n","url":"https:\/\/www.vesmont.cz\/author\/","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":"vesmont.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.vesmont.cz\/wp-content\/uploads\/img_a309427_w2020_t1520333703.jpg","url":"https:\/\/www.vesmont.cz\/wp-content\/uploads\/img_a309427_w2020_t1520333703.jpg","height":0,"width":0},"url":"https:\/\/www.vesmont.cz\/jak-se-vyrabi-extrudovany-polystyren\/","about":["Technika"],"wordCount":407,"articleBody":"\tJe to pom\u011brn\u011b slo\u017eit\u00fd proces, i kdy\u017e v\u00a0principu jednoduch\u00fd. Jde o proces tzv. extruze, kter\u00e1 vznik\u00e1 vytla\u010dov\u00e1n\u00edm krystalick\u00e9ho polystyrenu ve form\u011b taveniny, do n\u00ed\u017e se p\u0159id\u00e1v\u00e1 vzduch speci\u00e1ln\u00edm mechanick\u00fdm p\u011bnidlem. Nap\u011bn\u011bn\u00e1 hmota se n\u00e1sledn\u011b ochlad\u00ed a vst\u0159ikuje do formy podle pot\u0159eby. V\u00fdsledkem je pak onen zn\u00e1m\u00fd polystyren v podob\u011b na sebe nalepen\u00fdch kuli\u010dek, kter\u00e9 se tak r\u00e1dy drol\u00ed a ulp\u00edvaj\u00ed na v\u0161em kolem n\u00e1s.\tPolystyrenov\u00e9 kuli\u010dky na st\u011bn\u00e1ch dom\u016fOby\u010dejn\u00fd polystyren neextrudovan\u00fd by nem\u011bl takov\u00e9 fyzik\u00e1ln\u00ed vlastnosti, kdyby se nevyr\u00e1b\u011bl pr\u00e1v\u011b t\u00edmto zp\u016fsobem, a jeho vyu\u017eit\u00ed by nebylo mo\u017en\u00e9 v\u00a0tolika odv\u011btv\u00edch pr\u016fmyslu, zejm\u00e9na ve stavebnictv\u00ed. Extrudovan\u00fd polystyren vynik\u00e1 p\u0159edev\u0161\u00edm jako v\u00fdborn\u00fd tepeln\u00fd izolant, a to i v\u00a0m\u00edstech, kde stavba p\u0159ich\u00e1z\u00ed do styku s\u00a0vlhkost\u00ed ve form\u011b zeminy a vody v\u00a0podlo\u017e\u00ed.Velkou p\u0159ednost\u00ed extrudovan\u00e9ho polystyrenu je vodoodpudivost a nenas\u00e1kavost. O tom u\u017e jsme se p\u0159esv\u011bd\u010dili na fas\u00e1d\u00e1ch dom\u016f. D\u016fle\u017eit\u00e1 je ale jeho spr\u00e1vn\u00e1 pokl\u00e1dka s\u00a0minim\u00e1ln\u00edm mno\u017estv\u00edm sp\u00e1r. Polystyrenov\u00e9 desky by m\u011bly b\u00fdt co nejv\u011bt\u0161\u00ed a na fas\u00e1d\u011b tud\u00ed\u017e co nejm\u00e9n\u011b \u0159ez\u016f a v\u00fd\u0159ez\u016f.\tPolystyren nach\u00e1z\u00ed sv\u00e9 m\u00edsto i v\u00a0z\u00e1kladech dom\u016fTento materi\u00e1l m\u00e1 tak\u00e9 velmi dobrou pevnost v\u00a0tlaku. Toho se vyu\u017e\u00edv\u00e1 u zateplov\u00e1n\u00ed z\u00e1klad\u016f staveb, sklepen\u00ed, podzemn\u00edch baz\u00e9n\u016f a na dal\u0161\u00edch m\u00edstech, kter\u00e1 jsou vystavena tlaku podlo\u017e\u00ed a zeminy. U z\u00e1kladov\u00fdch desek je instalace extrudovan\u00e9ho polystyrenu samoz\u0159ejm\u011b podm\u00edn\u011bna dal\u0161\u00ed n\u00e1\u0161lapnou vrstvou.V\u00fdrobky z\u00a0extrudovan\u00e9ho polystyrenu jsou odoln\u00e9 v\u016f\u010di p\u016fsoben\u00ed pl\u00edsn\u00ed, vlhkosti, a dokonce odolaj\u00ed i hlodavc\u016fm a v\u0161em druh\u016fm hmyzu. T\u011bchto vlastnost\u00ed stavitel\u00e9 vyu\u017eij\u00ed hlavn\u011b p\u0159i tepeln\u00e9 izolaci spodn\u00edch \u010d\u00e1st\u00ed staveb, a to i pod \u00farovn\u00ed ter\u00e9nu. T\u00e9m\u011b\u0159 \u017e\u00e1dn\u00fd materi\u00e1l dnes vyr\u00e1b\u011bn\u00fd nedok\u00e1\u017ee odolat t\u011bmto vliv\u016fm, kdy\u017e je zakopan\u00fd pod zem\u00ed. Polystyren ano. Nep\u0159ij\u00edm\u00e1 nejen vlhkost, ale tak\u00e9 se mu vyh\u00fdb\u00e1 hmyz a hlodavci o n\u011bj rovn\u011b\u017e nemaj\u00ed z\u00e1jem, proto\u017ee jim jednodu\u0161e nechutn\u00e1.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (2 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak se vyr\u00e1b\u00ed extrudovan\u00fd polystyren?","item":"https:\/\/www.vesmont.cz\/jak-se-vyrabi-extrudovany-polystyren\/#breadcrumbitem"}]}]