{"id":765,"date":"2026-05-10T08:00:00","date_gmt":"2026-05-10T00:00:00","guid":{"rendered":"https:\/\/www.sowintop.com\/?p=765"},"modified":"2026-05-25T19:19:30","modified_gmt":"2026-05-25T11:19:30","slug":"do-paper-cups-contain-or-leach-microplastics","status":"publish","type":"post","link":"https:\/\/www.sowintop.com\/cs\/blog\/product-knowledge\/do-paper-cups-contain-or-leach-microplastics\/","title":{"rendered":"Obsahuj\u00ed pap\u00edrov\u00e9 kel\u00edmky mikroplasty nebo je uvol\u0148uj\u00ed?"},"content":{"rendered":"

Ano. Mnoho pap\u00edrov\u00fdch kel\u00edmk\u016f m\u016f\u017ee obsahovat nebo uvol\u0148ovat mikroplastov\u00e9 \u010d\u00e1stice, proto\u017ee pap\u00edrov\u00e1 vrstva je \u010dasto podlo\u017eena tenkou plastovou pod\u0161\u00edvkou, obvykle PE nebo n\u011bkdy PLA. <\/p>\n\n\n\n

Tento \u010dl\u00e1nek vysv\u011btluje, jak tyto pod\u0161\u00edvky funguj\u00ed, kdy se m\u016f\u017ee zv\u00fd\u0161it riziko migrace a co by si kupuj\u00edc\u00ed m\u011bli ov\u011b\u0159it p\u0159ed v\u00fdb\u011brem form\u00e1t\u016f kel\u00edmk\u016f pro hork\u00e9 nebo studen\u00e9 aplikace.<\/p>\n\n\n\n

Pro\u010d pap\u00edrov\u00e9 kel\u00edmky v\u016fbec obsahuj\u00ed plast?<\/strong><\/h2>\n\n\n\n
\"Komer\u010dn\u00ed<\/figure>\n\n\n\n

Pro\u010d samotn\u00fd pap\u00edr nesta\u010d\u00ed?<\/strong><\/h3>\n\n\n\n

Pap\u00edr absorbuje tekutinu a rychle ztr\u00e1c\u00ed pevnost. Aby kel\u00edmky pojaly k\u00e1vu, \u010daj nebo pol\u00e9vku, pot\u0159ebuj\u00ed v\u011bt\u0161ina z nich bari\u00e9rovou vrstvu.<\/p>\n\n\n\n

Jak\u00e9 jsou b\u011b\u017en\u00e9 povrchov\u00e9 \u00fapravy?<\/strong><\/h3>\n\n\n\n

Nejb\u011b\u017en\u011bj\u0161\u00ed pod\u0161\u00edvkou je polyethylen, neboli PE. N\u011bkter\u00e9 kel\u00edmky pou\u017e\u00edvaj\u00ed PLA, co\u017e je bio-based, ale st\u00e1le polymerov\u00e1 vrstva.<\/p>\n\n\n\n

Co je tedy d\u016fle\u017eit\u00e9? Kel\u00edmek m\u016f\u017ee vypadat jako vl\u00e1knit\u00fd, ale p\u0159esto m\u016f\u017ee obsahovat plast na povrchu, kter\u00fd je v kontaktu s potravinami.<\/p>\n\n\n\n

Mohou pap\u00edrov\u00e9 kel\u00edmky uvol\u0148ovat mikroplasty p\u0159i zah\u0159\u00e1t\u00ed?<\/strong><\/h2>\n\n\n\n

Pro\u010d na teplot\u011b z\u00e1le\u017e\u00ed?<\/strong><\/h3>\n\n\n\n

Teplo m\u016f\u017ee zv\u00fd\u0161it nam\u00e1h\u00e1n\u00ed materi\u00e1lu a chemickou migraci. Proto hork\u00e1 k\u00e1va p\u0159edstavuje v\u011bt\u0161\u00ed obavy ne\u017e voda o pokojov\u00e9 teplot\u011b.<\/p>\n\n\n\n

Co to znamen\u00e1 v praxi?<\/strong><\/h3>\n\n\n\n

\u0158et\u011bzec hork\u00fdch n\u00e1poj\u016f m\u016f\u017ee m\u00edt jin\u00e9 rizikov\u00e9 podm\u00ednky ne\u017e st\u00e1nek se studen\u00fdmi n\u00e1poji pou\u017e\u00edvaj\u00edc\u00ed ekologick\u00e9 kel\u00edmky na studen\u00e9 n\u00e1poje. In\u017een\u00fd\u0159i by m\u011bli posuzovat teplotu n\u00e1poje, dobu dr\u017een\u00ed a t\u011bsnost v\u00ed\u010dka jako jeden syst\u00e9m.<\/p>\n\n\n\n

Jednoduchou chybou p\u0159i n\u00e1kupu je p\u0159edpokl\u00e1dat, \u017ee ekologick\u00e9 pap\u00edrov\u00e9 kel\u00edmky jsou automaticky bez plast\u016f. \u010casto tomu tak nen\u00ed.<\/p>\n\n\n\n

Jak mohou kupuj\u00edc\u00ed p\u0159esn\u011bji porovn\u00e1vat tvrzen\u00ed o kel\u00edmc\u00edch?<\/strong><\/h2>\n\n\n\n

Co by m\u011bly t\u00fdmy n\u00e1kupu zkontrolovat?<\/strong><\/h3>\n\n\n\n

Pod\u00edvejte se za n\u00e1pisy na p\u0159edn\u00ed stran\u011b, jako jsou Nejlep\u0161\u00ed ekologick\u00e9 jednor\u00e1zov\u00e9 kel\u00edmky nebo Ekologick\u00e9 pap\u00edrov\u00e9 kel\u00edmky pobl\u00ed\u017e m\u011b. Zeptejte se na materi\u00e1l pod\u0161\u00edvky, rozsah kompostovatelnosti, shodu s p\u0159edpisy pro styk s potravinami a podm\u00ednky konce \u017eivotnosti.<\/p>\n\n\n\n

Typ kel\u00edmku<\/strong><\/td>Typick\u00e1 bari\u00e9ra<\/strong><\/td>Bez plast\u016f?<\/strong><\/td>Nejlep\u0161\u00ed p\u0159\u00edpad pou\u017eit\u00ed<\/strong><\/td><\/tr>
Standardn\u00ed pap\u00edrov\u00fd kel\u00edmek<\/td>PE<\/td>Ne<\/td>Hork\u00e9 n\u00e1poje<\/td><\/tr>
Kompostovateln\u00fd pap\u00edrov\u00fd kel\u00edmek<\/td>PLA<\/td>Ne<\/td>Kontrolovan\u00e9 kompostovac\u00ed proudy<\/td><\/tr>
Syst\u00e9m kel\u00edmku s v\u00ed\u010dkem z vl\u00e1ken<\/td>Li\u0161\u00ed se<\/td>Z\u00e1vis\u00ed<\/td>Programy \u0159\u00edzen\u00e9 specifikacemi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Znamen\u00e1 kompostovateln\u00fd bez plast\u016f?<\/strong><\/h3>\n\n\n\n
\"Certifikovan\u00e9<\/figure>\n\n\n\n

Ne. Kompostovateln\u00e9 kel\u00edmky s v\u00ed\u010dky mohou st\u00e1le pou\u017e\u00edvat PLA. To znamen\u00e1, \u017ee kompostovateln\u00e9 a bez plast\u016f nejsou stejn\u00e9 tvrzen\u00ed.<\/p>\n\n\n\n

Jak\u00e9 probl\u00e9my s n\u00e1kupem se projev\u00ed p\u0159i re\u00e1ln\u00e9m pou\u017eit\u00ed?<\/strong><\/h2>\n\n\n\n

Co se d\u011bje v n\u00e1pojov\u00fdch \u0159et\u011bzc\u00edch?<\/strong><\/h3>\n\n\n\n

Jedn\u00edm z b\u011b\u017en\u00fdch probl\u00e9m\u016f je neshoda specifikac\u00ed. Kupuj\u00edc\u00ed si objedn\u00e1 ekologick\u00e9 pap\u00edrov\u00e9 kel\u00edmky s v\u00ed\u010dky, ale v\u00ed\u010dko a kel\u00edmek<\/a> jsou schv\u00e1leny pro r\u016fzn\u00e9 teplotn\u00ed rozsahy.<\/p>\n\n\n\n

Co se d\u011bje p\u0159i hromadn\u00e9m n\u00e1kupu?<\/strong><\/h3>\n\n\n\n

T\u00fdmy nakupuj\u00edc\u00ed ekologick\u00e9 pap\u00edrov\u00e9 kel\u00edmky ve velk\u00e9m nebo ekologick\u00e9 pap\u00edrov\u00e9 kel\u00edmky velkoobchodn\u011b se \u010dasto zam\u011b\u0159uj\u00ed nejprve na cenu. Odhalen\u00ed materi\u00e1lu, testov\u00e1n\u00ed migrace a zp\u016fsob likvidace by m\u011bly b\u00fdt na prvn\u00edm m\u00edst\u011b.<\/p>\n\n\n\n

Dokonce i maloobchodn\u00ed vyhled\u00e1v\u00e1n\u00ed, jako jsou \u201eEco Friendly Paper Cups Walmart\u201c, mohou st\u00edrat rozd\u00edl mezi v\u00fdrobky na pap\u00edrov\u00e9 b\u00e1zi a v\u00fdrobky bez plast\u016f.<\/p>\n\n\n\n

Z\u00e1v\u011br<\/strong><\/h2>\n\n\n\n

Pap\u00edrov\u00e9 kel\u00edmky \u010dasto obsahuj\u00ed PE nebo PLA bari\u00e9ry a teplo m\u016f\u017ee zv\u00fd\u0161it obavy z migrace. Pro in\u017een\u00fdry a pr\u016fmyslov\u00e9 kupuj\u00edc\u00ed je kl\u00ed\u010dov\u00fd krok jednoduch\u00fd: p\u0159ed schv\u00e1len\u00edm ov\u011b\u0159te vlo\u017eku, zam\u00fd\u0161len\u00fd teplotn\u00ed rozsah a zp\u016fsob likvidace.<\/p>\n\n\n\n

Pro t\u00fdmy porovn\u00e1vaj\u00edc\u00ed mo\u017enosti konverze, SOWINTOP<\/a> p\u0159in\u00e1\u0161\u00ed v\u00edce ne\u017e 30 let zku\u0161enost\u00ed s obaly v oblasti stravov\u00e1n\u00ed, n\u00e1pojov\u00fdch \u0159et\u011bzc\u016f, maloobchodu a aplikac\u00ed pro hotov\u00e1 j\u00eddla. Jeho v\u00fdrobn\u00ed materi\u00e1ly<\/a> a webov\u00e9 str\u00e1nky uv\u00e1d\u011bj\u00ed podporu OEM\/ODM, certifikace a standardy, v\u010detn\u011b FDA, EU 10\/2011, GRS, BPI, BRC a tvrzen\u00ed souvisej\u00edc\u00edch s ESG nap\u0159\u00ed\u010d relevantn\u00edmi produktov\u00fdmi \u0159adami a dokumentac\u00ed. Chcete-li si prohl\u00e9dnout mo\u017enosti vhodn\u00e9 pro dan\u00e9 pou\u017eit\u00ed, prozkoumejte na\u0161e  Produkty<\/a>, proch\u00e1zejte Pap\u00edrov\u00e9 kel\u00edmky a dozv\u00edte se v\u00edce.<\/p>\n\n\n\n

\u010casto kladen\u00e9 ot\u00e1zky <\/strong><\/h2>\n\n\n\n

Jsou v\u0161echny pap\u00edrov\u00e9 kel\u00edmky bez plast\u016f?<\/strong><\/h3>\n\n\n\n

Ne. Mnoho z nich pou\u017e\u00edv\u00e1 PE nebo PLA vlo\u017eky k zabr\u00e1n\u011bn\u00ed \u00faniku.<\/p>\n\n\n\n

Zvy\u0161uj\u00ed hork\u00e9 n\u00e1poje riziko uvol\u0148ov\u00e1n\u00ed?<\/strong><\/h3>\n\n\n\n

Ano. Vy\u0161\u0161\u00ed teploty mohou zv\u00fd\u0161it nam\u00e1h\u00e1n\u00ed povlaku a uvol\u0148ov\u00e1n\u00ed fragment\u016f.<\/p>\n\n\n\n

Je PLA zcela bez plast\u016f?<\/strong><\/h3>\n\n\n\n

Ne. PLA je st\u00e1le polymer, i kdy\u017e je na biologick\u00e9 b\u00e1zi.<\/p>\n\n\n\n

Jsou kel\u00edmky na studen\u00e9 n\u00e1poje m\u00e9n\u011b rizikov\u00e9?<\/strong><\/h3>\n\n\n\n

\u010casto ano, ale struktura a design bari\u00e9ry jsou st\u00e1le d\u016fle\u017eit\u00e9.<\/p>\n\n\n\n

Zdroje<\/strong><\/h2>\n\n\n\n
    \n
  1. Sv\u011btov\u00e1 zdravotnick\u00e1 organizace \u2014 Dietn\u00ed a inhala\u010dn\u00ed expozice nano a mikroplastick\u00fdm \u010d\u00e1stic\u00edm<\/a><\/li>\n\n\n\n
  2. \u00da\u0159ad pro kontrolu potravin a l\u00e9\u010div USA \u2014 Pou\u017eit\u00ed recyklovan\u00fdch plast\u016f v obalech potravin<\/a><\/li>\n\n\n\n
  3. Evropsk\u00e1 komise \u2014 Na\u0159\u00edzen\u00ed Komise (EU) \u010d. 10\/2011 o plastov\u00fdch materi\u00e1lech a v\u00fdrobc\u00edch ur\u010den\u00fdch pro styk s potravinami<\/a><\/li>\n<\/ol>\n\n\n\n
    \n
    Z\u00edskat nab\u00eddku <\/strong><\/strong> Nab\u00eddku<\/strong><\/strong><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Yes. Many paper cups can contain or release microplastic particles because the paper layer is often backed by a thin plastic lining, usually PE or sometimes [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":769,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[74],"tags":[],"class_list":["post-765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-knowledge"],"_links":{"self":[{"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/posts\/765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/comments?post=765"}],"version-history":[{"count":6,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/posts\/765\/revisions"}],"predecessor-version":[{"id":865,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/posts\/765\/revisions\/865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/media\/769"}],"wp:attachment":[{"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/media?parent=765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/categories?post=765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sowintop.com\/cs\/wp-json\/wp\/v2\/tags?post=765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}