{"id":23237,"date":"2021-08-23T14:24:26","date_gmt":"2021-08-23T11:24:26","guid":{"rendered":"https:\/\/espmuhendislik.com\/cfare-eshte-materiali-poliuretani\/"},"modified":"2025-07-07T03:59:09","modified_gmt":"2025-07-07T00:59:09","slug":"cfare-eshte-materiali-poliuretani","status":"publish","type":"post","link":"https:\/\/espmuhendislik.com\/sq\/cfare-eshte-materiali-poliuretani\/","title":{"rendered":"\u00c7far\u00eb \u00ebsht\u00eb materiali poliuretani?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Poliuretani \u00ebsht\u00eb nj\u00eb polimer i p\u00ebrb\u00ebr\u00eb nga nj\u00eb zinxhir nj\u00ebsive organike t\u00eb bashkuara me lidhje karbamat. Ato p\u00ebrdoren p\u00ebr t\u00eb b\u00ebr\u00eb shkum\u00eb fleksib\u00ebl dhe t\u00eb ngurt\u00eb, elastomer\u00eb t\u00eb q\u00ebndruesh\u00ebm dhe ngjit\u00ebs me performanc\u00eb t\u00eb lart\u00eb, fibra sintetike, guarnicione, pjes\u00ebn e poshtme t\u00eb qilimave dhe plastik\u00eb t\u00eb ngurt\u00eb.   <\/p>\n\n<p class=\"wp-block-paragraph\">Shkumat fleksib\u00ebl poliuretani njihen gjithashtu si shkuma poliuretani dhe jan\u00eb t\u00eb domosdoshme si nj\u00eb material komod n\u00eb shtret\u00ebr dhe mobilje. Shkumat jo shtrir\u00ebse, nga ana tjet\u00ebr, p\u00ebrdoren kryesisht p\u00ebr izolimin e nxeht\u00ebsis\u00eb dhe z\u00ebrit. Produktet poliuretani shpesh quhen edhe <em>uretane<\/em>. Megjithat\u00eb, nuk duhet ngat\u00ebrruar me substanc\u00ebn speciale t\u00eb uretan\u00eb, e njohur gjithashtu si karbamat etilik. Poliuretanet nuk jan\u00eb b\u00ebr\u00eb nga karbamat etil dhe nuk e p\u00ebrmbajn\u00eb at\u00eb.    <\/p>\n\n<h4 class=\"wp-block-heading\">Materiali poliuretani n\u00eb histori<\/h4>\n\n<p class=\"wp-block-paragraph\">Ajo u sintetizua p\u00ebr her\u00eb t\u00eb par\u00eb nga shkenc\u00ebtari gjerman Otto Bayer n\u00eb 1937 dhe u mor nga reaksioni i diizocianatit me diol.  <\/p>\n\n<p class=\"wp-block-paragraph\">N\u00ebse ka edhe uj\u00eb n\u00eb mjedis, nj\u00eb pjes\u00eb e diizocianatit polimerizohet me diol, nd\u00ebrsa nj\u00eb pjes\u00eb e vog\u00ebl e tij reagon me ujin p\u00ebr t\u00eb formuar nj\u00eb struktur\u00eb poroze poliuretani (struktur\u00eb shkum\u00eb ose sfungjeri) duke reaguar me gaz (dioksid karboni). N\u00eb fund t\u00eb periudh\u00ebs s\u00eb maturimit (24-72 or\u00eb), merret nj\u00eb struktur\u00eb polimeri shum\u00eb e fort\u00eb. M\u00eb von\u00eb, diolet u z\u00ebvend\u00ebsuan nga poliole polieter ose poliest\u00ebr me pesha molekulare m\u00eb t\u00eb m\u00ebdha. Poliuretani i formuar n\u00eb k\u00ebt\u00eb m\u00ebnyr\u00eb formon nj\u00eb elastomer m\u00eb t\u00eb fort\u00eb dhe m\u00eb fleksib\u00ebl.   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Poliuretani \u00ebsht\u00eb nj\u00eb polimer i p\u00ebrb\u00ebr\u00eb nga nj\u00eb zinxhir nj\u00ebsive organike t\u00eb bashkuara me lidhje karbamat. Ato p\u00ebrdoren p\u00ebr t\u00eb b\u00ebr\u00eb shkum\u00eb fleksib\u00ebl dhe t\u00eb ngurt\u00eb, elastomer\u00eb t\u00eb q\u00ebndruesh\u00ebm dhe ngjit\u00ebs me performanc\u00eb t\u00eb lart\u00eb, fibra sintetike, guarnicione, pjes\u00ebn e poshtme t\u00eb qilimave dhe plastik\u00eb t\u00eb ngurt\u00eb. Shkumat fleksib\u00ebl poliuretani njihen gjithashtu si shkuma poliuretani [&hellip;]<\/p>\n","protected":false},"author":210539623,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[129043],"tags":[],"class_list":["post-23237","post","type-post","status-publish","format-standard","hentry","category-pa-kategorizuar-tr"],"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pdjX8j-62N","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/posts\/23237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/users\/210539623"}],"replies":[{"embeddable":true,"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/comments?post=23237"}],"version-history":[{"count":0,"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/posts\/23237\/revisions"}],"wp:attachment":[{"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/media?parent=23237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/categories?post=23237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/espmuhendislik.com\/sq\/wp-json\/wp\/v2\/tags?post=23237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}