{"id":21044240,"date":"2022-07-05T11:01:00","date_gmt":"2022-07-05T09:01:00","guid":{"rendered":"https:\/\/geek.hr\/znanost\/?p=21044240"},"modified":"2022-07-05T12:48:30","modified_gmt":"2022-07-05T10:48:30","slug":"puno-toga-se-moze-napraviti-od-stare-zvakace-gume","status":"publish","type":"post","link":"https:\/\/geek.hr\/znanost\/clanak\/puno-toga-se-moze-napraviti-od-stare-zvakace-gume\/","title":{"rendered":"Puno toga se mo\u017ee napraviti od stare \u017evaka\u0107e gume"},"content":{"rendered":"\n<p>Mlada Britanka Anna Bullus je istra\u017euju\u0107i kemiju \u017evaka\u0107e gume otkrila je da je njezin glavni sastojak, baza za gumu, obi\u010dno sinteti\u010dka guma, vrsta polimera sli\u010dna plastici.<\/p>\n\n\n\n<p>&#8220;Zove se poliizobutilen&#8221;, obja\u0161njava Anna. Dobiva se iz petrokemikalija koje se pro\u010di\u0161\u0107avaju iz fosilnih goriva poput sirove nafte.<\/p>\n\n\n\n<p>Anna Bullus je shvatila da \u017evaka\u0107a guma, \u010dak i kada joj je namjena potpuno iskori\u0161tena i kad se baci &#8211; i dalje svestran i potencijalno koristan materijal.<\/p>\n\n\n\n<p>Provela je \u010ditavih osam mjeseci u laboratoriju sve dok nije prona\u0161la dobar na\u010din pomo\u0107u kojeg se stare \u017evaka\u0107e mogu pretvoriti u posve novi, korisni predmet.<\/p>\n\n\n\n<p>Najprije je \u017evaka\u0107e gume pretvarala u pjenu, a potom je pjeni dodavala niz tvari (koje ne \u017eeli otkrivati) da bi na kraju dobila materijal sli\u010dan gumi koji se mo\u017ee upotrijebiti za izradu najrazli\u010ditijih predmeta.<\/p>\n\n\n\n<p>Odli\u010dno rje\u0161enje, no kako nagovoriti ljude da doniraju iskori\u0161tene \u017evaka\u0107e gume umjesto da ih bacaju u kante ili \u010dak na ulice? Kao dio svoje strategije na tragu toga, Anna je stvorila svijetloru\u017ei\u010daste, mjehuri\u0107aste posude, posebno namijenjene za odlaganje gume pod nazivom <a href=\"http:\/\/gumdropltd.com\/gumdrop-bin\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gumdrop<\/a>.<\/p>\n\n\n\n<p>Zanimljivo je da se posude za skupljanje starih \u017evaka\u0107ih guma tako\u0111er izra\u0111uju od reciklirane \u017evaka\u0107e gume. Poruka pored svakog takvog ru\u017ei\u010dastog spremnika obja\u0161njava kako \u0107e sve sakupljene \u017evaka\u0107e gume biti reciklirane u posve nove predmete.<\/p>\n\n\n\n<div class=\"wp-block-image wp-image-21044238 size-full\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"624\" height=\"351\" src=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2018\/03\/100183309_cups.jpg\" alt=\"\" class=\"wp-image-21044238\" srcset=\"https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2018\/03\/100183309_cups.jpg 624w, https:\/\/geek.hr\/znanost\/wp-content\/uploads\/sites\/14\/2018\/03\/100183309_cups-300x169.jpg 300w\" sizes=\"(max-width: 624px) 100vw, 624px\" \/><figcaption>Foto: YouTube<\/figcaption><\/figure><\/div>\n\n\n\n<p>Jo\u0161 jedan izazov za Annu je bio prona\u0107i partnere u industriji spremne za recikliranje starih \u017evaka\u0107ih guma, \u0161to je isto bilo ne\u0161to potpuno novo.<\/p>\n\n\n\n<p>Naposljetku je uvjerila jedan pogon za recikla\u017eu u Worcesteru da trebaju sura\u0111ivati. Oni uzimaju njezino prikupljeno &#8220;sme\u0107e&#8221; filtriraju\u0107i ne\u017eeljeni materijal, poput papira i nekih slatkih dodataka, zatim sve melju u komadi\u0107e da bi to na kraju spojili s drugim recikliranim plasti\u010dnim polimerima.<\/p>\n\n\n\n<p>Udio \u017evaka\u0107e gume u cijeloj toj mje\u0161avini varira, ali Anna ka\u017ee da svaki predmet koji je dizajnirala i proizvela sadr\u017ei najmanje 20% \u017evaka\u0107e gume.<\/p>\n\n\n\n<p>Anna ne staje sa svojim naumom, ka\u017ee da joj je velika \u017eelja od \u017evaka\u0107e gume proizvesti i \u010dizme.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"This Woman Is Cleaning up the Streets by Turning Old Chewing Gum into New Rubber Objects\" width=\"880\" height=\"495\" src=\"https:\/\/www.youtube.com\/embed\/cnt0Yb870Vg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Britanka se dosjetila na\u010dina kako da \u010duva okoli\u0161 i reciklira \u017evaka\u0107e gume<\/p>\n","protected":false},"author":10022,"featured_media":21065747,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[16372],"tags":[17997,19987],"class_list":["post-21044240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ekologija-i-okolis","tag-polimer","tag-recikliranje"],"modified_by":null,"_links":{"self":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21044240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/users\/10022"}],"replies":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/comments?post=21044240"}],"version-history":[{"count":3,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21044240\/revisions"}],"predecessor-version":[{"id":21065748,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/posts\/21044240\/revisions\/21065748"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media\/21065747"}],"wp:attachment":[{"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/media?parent=21044240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/categories?post=21044240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geek.hr\/znanost\/wp-json\/wp\/v2\/tags?post=21044240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}