{"id":180,"date":"2023-11-23T09:45:24","date_gmt":"2023-11-23T08:45:24","guid":{"rendered":"https:\/\/www.purgruppen.se\/?page_id=180"},"modified":"2024-02-16T16:04:20","modified_gmt":"2024-02-16T15:04:20","slug":"polyuretan","status":"publish","type":"page","link":"https:\/\/www.purgruppen.se\/index.php\/polyuretan\/","title":{"rendered":"Polyuretan"},"content":{"rendered":"

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Vad \u00e4r polyuretan?<\/h1>\n

Polyuretan (PUR eller PU) \u00e4r ett flexibelt material med egenskaper som g\u00f6r det l\u00e4mpligt att anv\u00e4nda n\u00e4stan \u00f6verallt. Vi anv\u00e4nder alla polyuretan i det dagliga livet och utan PUR skulle v\u00e5ra liv se helt annorlunda ut. PUR finns med st\u00f6rsta sannolikhet i stolen du sitter p\u00e5, i s\u00e4ngen du sover i och i kylsk\u00e5pet d\u00e4r du f\u00f6rvarar din mat. PUR finns ocks\u00e5 i huset d\u00e4r du bor, i bilen du k\u00f6r, i skorna du har p\u00e5 dig och i skidorna du anv\u00e4nder p\u00e5 din semester. Listan kan g\u00f6ras l\u00e5ng. <\/p>\n

D\u00e4rf\u00f6r finns PUR-Gruppen.<\/p>\n

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Flexibelt, styvt eller halvstyvt material med \u00f6ppna celler, alternativt med skinn. Skummad polyuretan anv\u00e4nds ofta f\u00f6r isolering men ocks\u00e5 som stoppning i m\u00f6bler, textilier eller fordonsinredning.<\/p>\n

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Flexibla eller styva kompakta polyuretaner \u00e4r ett flexibelt konstruktionsmaterial som kan anpassas f\u00f6r de flesta omr\u00e5den. Kompakta material anv\u00e4nds f\u00f6r industriella applikationer men ocks\u00e5 vid framst\u00e4llning av exempelvis m\u00f6bler.<\/p>\n

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TPU \u2013 Termoplastisk Polyuretan \u2013 \u00e4r ett elastiskt, extremt h\u00e5llbart material som l\u00e4mpar sig utm\u00e4rkt f\u00f6r detaljer till fordon, motordrivna verktyg, sportartiklar och medicinsk utrustning. En v\u00e4lk\u00e4nd applikation \u00e4r ocks\u00e5 skal till l\u00e4splattor och mobiltelefoner.<\/p>\n

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Struktur & produktion<\/h2>\n

Polyuretaner \u00e4r en grupp av polymerer. De flesta polyuretaner best\u00e5r av en A-komponent (polyol(er) och andra r\u00e5varor) och B-komponent (isocyanaten). Beroende p\u00e5 vilka r\u00e5varor i A-komponenten som anv\u00e4nds och hur blandningsf\u00f6rh\u00e5llandet varieras, skapas polyuretaner med de egenskaper som \u00f6nskas.<\/p>\n

Olika kombinationer m\u00f6jligg\u00f6r skr\u00e4ddarsydd tillverkning av flertalet produkttyper s\u00e5som skum, integralmaterial, elastomerer, lim, f\u00e4rg, ytbel\u00e4ggningar och t\u00e4tningsmaterial. Polyuretaner ses enklast som kedjor av tredimensionella strukturer best\u00e5ende av monomerer, dvs korta repeterade enheter.<\/p>\n

<\/h2>\n

Olika egenskaper<\/h2>\n

Polyuretan \u00e4r ett av v\u00e5ra mest flexibla material. Genom olika r\u00e5varor som kan tills\u00e4ttas s\u00e5 som fibrer och pigment samt andra fyllmedel kan egenskaperna varieras n\u00e4stan obegr\u00e4nsat. Genom skillnader i blandning och tillverkningsteknik anpassas egenskaperna efter \u00f6nskad anv\u00e4ndning.<\/p>\n

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Vad \u00e4r polyuretan? Polyuretan (PUR eller PU) \u00e4r ett flexibelt material med egenskaper som g\u00f6r det l\u00e4mpligt att anv\u00e4nda n\u00e4stan \u00f6verallt. Vi anv\u00e4nder alla polyuretan i det dagliga livet och utan PUR skulle v\u00e5ra liv se helt annorlunda ut. PUR finns med st\u00f6rsta sannolikhet i stolen du sitter p\u00e5, i s\u00e4ngen du sover i och […]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-180","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/pages\/180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/comments?post=180"}],"version-history":[{"count":24,"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/pages\/180\/revisions"}],"predecessor-version":[{"id":497,"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/pages\/180\/revisions\/497"}],"wp:attachment":[{"href":"https:\/\/www.purgruppen.se\/index.php\/wp-json\/wp\/v2\/media?parent=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}