{"id":2119,"date":"2024-06-05T06:57:45","date_gmt":"2024-06-05T06:57:45","guid":{"rendered":"https:\/\/nylon-granules.com\/?p=2119"},"modified":"2024-06-05T07:36:09","modified_gmt":"2024-06-05T07:36:09","slug":"long-chain-polyamides-gf-pa12-pa612-pa1012","status":"publish","type":"post","link":"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/","title":{"rendered":"Srovn\u00e1n\u00ed vlastnost\u00ed PA612, PA1012 a PA12 vyztu\u017een\u00fdch skeln\u00fdmi vl\u00e1kny"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edn\u00e1n\u00ed<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#What_are_Short-chain_and_Long-chain_Polyamides\" >Co jsou polyamidy s kr\u00e1tk\u00fdm a dlouh\u00fdm \u0159et\u011bzcem<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#PA12_Applications_and_Alternatives\" >Aplikace a alternativy PA12<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Fuchen_New_Material%E2%80%98s_Research\" >V\u00fdzkum nov\u00e9ho materi\u00e1lu Fuchen<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Summary_of_Key_Points\" >Shrnut\u00ed kl\u00ed\u010dov\u00fdch bod\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Material_Preparation\" >P\u0159\u00edprava materi\u00e1lu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nylon-granules.com\/cs\/long-chain-polyamides-gf-pa12-pa612-pa1012\/#Main_Results\" >Hlavn\u00ed v\u00fdsledky<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_are_Short-chain_and_Long-chain_Polyamides\"><\/span><strong>Co jsou polyamidy s kr\u00e1tk\u00fdm a dlouh\u00fdm \u0159et\u011bzcem<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Polyamidy s m\u00e9n\u011b ne\u017e 10 atomy uhl\u00edku v \u0159et\u011bzci se obecn\u011b ozna\u010duj\u00ed jako polyamidy s kr\u00e1tk\u00fdm \u0159et\u011bzcem (nebo nylony s kr\u00e1tk\u00fdm \u0159et\u011bzcem), nap\u0159\u00edklad polyamid 6 (PA6), polyamid 66 (PA66) a polyamid 46 (PA46). Polyamidy s 10 a v\u00edce atomy uhl\u00edku v \u0159et\u011bzci se naz\u00fdvaj\u00ed polyamidy s dlouh\u00fdm \u0159et\u011bzcem (nebo nylony s dlouh\u00fdm \u0159et\u011bzcem), jako jsou polyamid 610 (PA610), polyamid 612 (PA612), polyamid 1012 (PA1012) a polyamid 12 (PA12). D\u00edky ni\u017e\u0161\u00edmu obsahu amidov\u00fdch vazeb v polyamidech s dlouh\u00fdm \u0159et\u011bzcem maj\u00ed ve srovn\u00e1n\u00ed s polyamidy s kr\u00e1tk\u00fdm \u0159et\u011bzcem ni\u017e\u0161\u00ed nas\u00e1kavost, lep\u0161\u00ed rozm\u011brovou stabilitu a lep\u0161\u00ed ta\u017enost.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PA12_Applications_and_Alternatives\"><\/span><strong><a href=\"https:\/\/nylon-granules.com\/cs\/products\/nylon-12\/\">PA12<\/a> Aplikace a alternativy<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PA12, typ polyamidu s dlouh\u00fdm \u0159et\u011bzcem, se pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm v automobilov\u00fdch komponentech, 3D tisku, stroj\u00edrenstv\u00ed a letectv\u00ed. V automobilov\u00fdch komponentech se PA12 vyztu\u017een\u00fd sklen\u011bn\u00fdmi vl\u00e1kny (GF) pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm v syst\u00e9mech palivov\u00e9ho potrub\u00ed, automobilov\u00fdch odpa\u0159ovac\u00edch syst\u00e9mech a rychlospojk\u00e1ch. V sou\u010dasn\u00e9 dob\u011b dr\u017e\u00ed technologii vst\u0159ikov\u00e1n\u00ed PA12 a jeho modifikovan\u00fdch materi\u00e1l\u016f p\u0159edev\u0161\u00edm zahrani\u010dn\u00ed modifika\u010dn\u00ed spole\u010dnosti, jako jsou Arkema ve Francii, Evonik v N\u011bmecku a Ube Industries v Japonsku. A\u010dkoli se na dom\u00e1c\u00edm trhu prov\u00e1d\u00ed v\u00fdzkum prysky\u0159ic PA12 a jejich modifikovan\u00fdch materi\u00e1l\u016f, v \u010c\u00edn\u011b zat\u00edm neexistuje pr\u016fmyslov\u00e1 v\u00fdroba prysky\u0159ic PA12. Cena materi\u00e1l\u016f PA12 v \u010c\u00edn\u011b je proto st\u00e1le velmi vysok\u00e1, a proto m\u00e1 v\u00fdzkum a v\u00fdvoj alternativn\u00edch materi\u00e1l\u016f PA12 zna\u010dn\u00fd praktick\u00fd v\u00fdznam. Krom\u011b toho maj\u00ed polyamidy s dlouh\u00fdm \u0159et\u011bzcem vyroben\u00e9 z \u010d\u00e1ste\u010dn\u011b nebo pln\u011b biologick\u00fdch materi\u00e1l\u016f, jako jsou PA610, PA612 a PA1012, ekologick\u00e9 v\u00fdhody oproti PA12, kter\u00fd se z\u00edsk\u00e1v\u00e1 z neobnoviteln\u00fdch fosiln\u00edch paliv.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Fuchen_New_Material%E2%80%98s_Research\"><\/span><strong><a href=\"https:\/\/nylon-granules.com\/cs\/\">Fuchen Nov\u00fd materi\u00e1l<\/a>'s Research<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Spole\u010dnost Fuchen New Material porovnala vlastnosti t\u0159\u00ed materi\u00e1l\u016f: PA612, PA1012 a PA12 vyztu\u017een\u00e9 GF30, v\u0161echny s obsahem sklen\u011bn\u00fdch vl\u00e1ken 30%. Provedli tak\u00e9 zku\u0161ebn\u00ed v\u00fdrobu na form\u011b s\u00e9riov\u011b vyr\u00e1b\u011bn\u00e9ho rychlospojky palivov\u00e9ho potrub\u00ed pro automobily, aby porovnali vlastnosti t\u011bchto materi\u00e1l\u016f. Tento v\u00fdzkum poskytuje z\u00e1klad pro n\u00e1sledn\u00fd v\u00fdvoj alternativ k materi\u00e1l\u016fm PA12\/GF30 s pou\u017eit\u00edm jin\u00fdch typ\u016f vyztu\u017een\u00fdch polyamid\u016f s dlouh\u00fdm \u0159et\u011bzcem.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_300500322\">\n\t\t<a class=\"\" href=\"https:\/\/nylon-granules.com\/cs\/products\/nylon-612\/pa612-gf30\/\" >\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1020\" height=\"623\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-1024x625.jpg\" class=\"attachment-large size-large\" alt=\"PA612 GF\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-1024x625.jpg 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-300x183.jpg 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-768x469.jpg 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-18x12.jpg 18w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF-600x366.jpg 600w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/PA612-GF.jpg 1201w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_300500322 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n<h2><span class=\"ez-toc-section\" id=\"Summary_of_Key_Points\"><\/span><strong>Shrnut\u00ed kl\u00ed\u010dov\u00fdch bod\u016f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>(1) Pevnost v tahu, pevnost v ohybu a modul pru\u017enosti v ohybu jsou nejlep\u0161\u00ed u materi\u00e1l\u016f PA612\/GF30, n\u00e1sleduj\u00ed materi\u00e1ly PA1012\/GF30 a nejhor\u0161\u00ed jsou materi\u00e1ly PA12\/GF30.A\u0165 u\u017e se v\u0161ak jedn\u00e1 o r\u00e1zovou pevnost v z\u00e1\u0159ezu p\u0159i pokojov\u00e9 teplot\u011b nebo p\u0159i n\u00edzk\u00e9 teplot\u011b, nejlep\u0161\u00ed je materi\u00e1l PA1012\/GF30, druh\u00fd je materi\u00e1l PA12\/GF30 a nejhor\u0161\u00ed je materi\u00e1l PA612\/GF30.<\/p>\n<p>(2) Po\u0159ad\u00ed hustoty materi\u00e1lu, teploty tepeln\u00e9 deformace a teploty t\u00e1n\u00ed od vysok\u00e9 po n\u00edzkou je n\u00e1sleduj\u00edc\u00ed: PA612\/GF30, PA1012\/GF30, PA12\/GF30. M\u00edra smr\u0161t\u011bn\u00ed t\u0159\u00ed polyamid\u016f s dlouh\u00fdm \u0159et\u011bzcem vyztu\u017een\u00fdch GF je stejn\u00e1 a m\u00edra absorpce vody je n\u00edzk\u00e1, co\u017e se p\u0159\u00edli\u0161 neli\u0161\u00ed, ale vzhled v\u00fdrobk\u016f vst\u0159ikovan\u00fdch z materi\u00e1lu PA1012\/GF30 je lep\u0161\u00ed ne\u017e u PA612\/GF30.<\/p>\n<p>(3) Na z\u00e1klad\u011b vlastnost\u00ed materi\u00e1lu a situace p\u0159i vst\u0159ikov\u00e1n\u00ed je materi\u00e1l PA1012\/GF30 ekonomicky nejv\u00fdhodn\u011bj\u0161\u00ed alternativou k materi\u00e1lu PA12\/GF30.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Material_Preparation\"><\/span><strong>P\u0159\u00edprava materi\u00e1lu<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Suroviny PA612 a PA1012 byly su\u0161eny p\u0159i 100 \u2103 po dobu 4 hodin a p\u0159\u00edslu\u0161n\u00e9 materi\u00e1ly byly zv\u00e1\u017eeny podle pom\u011bru hmotnostn\u00edch frakc\u00ed matrice prysky\u0159ice, GF a antioxidantu 69,8% a 30% 0,2%. Prysky\u0159ice a antioxidant byly nejprve p\u0159id\u00e1ny do vertik\u00e1ln\u00edho m\u00edchadla a rovnom\u011brn\u011b prom\u00edch\u00e1ny a pot\u00e9 p\u0159id\u00e1ny do soum\u011brn\u00e9ho dvou\u0161nekov\u00e9ho extrud\u00e9ru. Pot\u00e9 se vytla\u010den\u00e9 prou\u017eky ochlad\u00ed vodou a vysu\u0161\u00ed f\u00e9nem a pelety se granuluj\u00ed granul\u00e1torem.Teplota pod\u00e1vac\u00ed \u010d\u00e1sti extrud\u00e9ru je 230 ~ 250 \u2103, teplota tavic\u00ed \u010d\u00e1sti je 210 ~ 230 \u2103, teplota hlavov\u00e9 \u010d\u00e1sti je 230 ~ 250 \u2103 a rychlost hostitelsk\u00e9ho \u0161neku je 350 ~ 380 ot\u00e1\u010dek za hodinu.<\/p>\n<p>Po vysu\u0161en\u00ed p\u0159ipraven\u00fdch pelet se vst\u0159ikovac\u00edm strojem p\u0159iprav\u00ed standardn\u00ed dr\u00e1\u017eka.Teplota je 230\uff5e260 \u2103, dekomprese je 80mpa a \u010das je 35s.Drop P12\/GF30 p\u0159i 100 \u2103 po dobu 4 hodin.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Main_Results\"><\/span><strong>Hlavn\u00ed v\u00fdsledky<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>(1) Mechanick\u00e9 vlastnosti<\/p>\n<p>Na n\u00e1sleduj\u00edc\u00edm obr\u00e1zku je zn\u00e1zorn\u011bno zvy\u0161ov\u00e1n\u00ed s\u00edly popsan\u00e9 GF.Pevnost v tahu, pevnost v ohybu a modul pru\u017enosti v ohybu materi\u00e1l\u016f PA612\/GF30 jsou nejlep\u0161\u00ed, n\u00e1sleduj\u00ed materi\u00e1ly PA1012\/GF30 a nejhor\u0161\u00ed jsou materi\u00e1ly PA12\/GF30.Pevnost v tahu, pevnost v ohybu a modul pru\u017enosti v ohybu materi\u00e1lu PA612\/GF30 jsou o 50, 50 MPa a 1 200 MPa vy\u0161\u0161\u00ed ne\u017e u materi\u00e1lu PA12\/GF30.Pevnost v tahu, pevnost v ohybu a modul pru\u017enosti v ohybu materi\u00e1lu PA1012\/GF30 jsou o 16 MPa, 15 MPa a 400 MPa vy\u0161\u0161\u00ed ne\u017e u materi\u00e1lu PA12\/GF30. a\u0165 u\u017e se v\u0161ak jedn\u00e1 o r\u00e1zovou pevnost v z\u00e1\u0159ezu p\u0159i pokojov\u00e9 teplot\u011b nebo p\u0159i n\u00edzk\u00e9 teplot\u011b, materi\u00e1l PA1012\/GF30 je nejlep\u0161\u00ed, materi\u00e1l PA12\/GF30 je druh\u00fd a PA612\/GF30 je nejhor\u0161\u00ed.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"840\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus.webp\" class=\"attachment- size-\" alt=\"Modul pru\u017enosti v ohybu\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-300x233.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-1024x796.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-768x597.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-15x12.webp 15w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-elastic-modulus-600x467.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Srovn\u00e1n\u00ed modulu pru\u017enosti v ohybu<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"912\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength.webp\" class=\"attachment- size-\" alt=\"Pevnost v ohybu\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-300x253.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-1024x865.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-768x649.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Bending-strength-600x507.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Srovn\u00e1n\u00ed pevnosti v ohybu<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"923\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength.webp\" class=\"attachment- size-\" alt=\"Pevnost v z\u00e1\u0159ezu p\u0159i n\u00e1razu\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-300x256.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-1024x875.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-768x656.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Notch-impact-strength-600x513.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Srovn\u00e1n\u00ed r\u00e1zov\u00e9 pevnosti v z\u00e1\u0159ezu<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"919\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength.webp\" class=\"attachment- size-\" alt=\"Pevnost v tahu\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-300x255.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-1024x871.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-768x654.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-14x12.webp 14w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Tensile-strength-600x511.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Srovn\u00e1n\u00ed pevnosti v tahu<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"gap-1453651727\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1453651727 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p>GF zvy\u0161uje rozd\u00edly ve vlastnostech r\u016fzn\u00fdch polyamid\u016f s dlouh\u00fdm \u0159et\u011bzcem p\u0159edev\u0161\u00edm d\u00edky rozd\u00edln\u00e9 molekul\u00e1rn\u00ed struktu\u0159e polyamid\u016f s dlouh\u00fdm \u0159et\u011bzcem.Molekul\u00e1rn\u00ed struktura r\u016fzn\u00fdch polyamid\u016f s dlouh\u00fdm \u0159et\u011bzcem je zn\u00e1zorn\u011bna na obr\u00e1zku n\u00ed\u017ee.Se zvy\u0161uj\u00edc\u00edm se obsahem amidov\u00e9 skupiny se zvy\u0161uje symetrie molekul\u00e1rn\u00edho \u0159et\u011bzce a krystalinita, zvy\u0161uje se tak\u00e9 jeho pevnost; naopak se sni\u017euj\u00edc\u00edm se obsahem amidov\u00e9 skupiny (n\u00e1r\u016fst methylov\u00e9 skupiny v molekul\u00e1rn\u00edm \u0159et\u011bzci polyamidu) se postupn\u011b sni\u017euje pevnost a zvy\u0161uje poddajnost.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"417\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5.webp\" class=\"attachment- size-\" alt=\"Struktura PA\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-300x116.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-1024x395.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-768x297.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-18x7.webp 18w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/5-600x232.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>a\u2014PA12\uff1bb\u2014PA1012\uff1bc\u2014PA612<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n<p>(2) P\u0159i praktick\u00e9m pou\u017eit\u00ed technick\u00fdch plast\u016f, zejm\u00e9na u okoln\u00edch materi\u00e1l\u016f sou\u010d\u00e1st\u00ed automobilov\u00fdch motor\u016f, je t\u0159eba v\u011bnovat zvl\u00e1\u0161tn\u00ed pozornost teplot\u011b tepeln\u00e9 deformace materi\u00e1l\u016f.Na obr\u00e1zku n\u00ed\u017ee je uvedena teplota tepeln\u00e9 deformace GF vyztu\u017een\u00fdch polyamidy s r\u016fzn\u011b dlouh\u00fdm \u0159et\u011bzcem.Je vid\u011bt, \u017ee nejvy\u0161\u0161\u00ed teplota tepeln\u00e9 deformace materi\u00e1lu PA612\/GF30 je 185 \u2103, n\u00e1sleduje materi\u00e1l PA1012\/GF30, kter\u00fd m\u00e1 175 \u2103, a nejhor\u0161\u00ed je materi\u00e1l PA12\/GF30, kter\u00fd m\u00e1 160 \u2103. To m\u016f\u017ee b\u00fdt zp\u016fsobeno t\u00edm, \u017ee PA612 m\u00e1 nejvy\u0161\u0161\u00ed obsah amid\u016f a nejv\u011bt\u0161\u00ed krystalinitu, co\u017e vede k nejvy\u0161\u0161\u00ed teplot\u011b tepeln\u00e9 deformace. vy\u0161\u0161\u00ed teplota tepeln\u00e9 deformace znamen\u00e1, \u017ee materi\u00e1l lze pou\u017e\u00edt v automobilov\u00fdch d\u00edlech s vy\u0161\u0161\u00edmi teplotn\u00edmi po\u017eadavky.<\/p>\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t\t\t\t<div class=\"\" >\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"883\" src=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature.webp\" class=\"attachment- size-\" alt=\"\" srcset=\"https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature.webp 1080w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-300x245.webp 300w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-1024x837.webp 1024w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-768x628.webp 768w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-15x12.webp 15w, https:\/\/nylon-granules.com\/wp-content\/uploads\/2024\/06\/Thermal-deformation-temperature-600x491.webp 600w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\">\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n<h4>Srovn\u00e1n\u00ed teplot tepeln\u00e9 deformace<\/h4>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t<div id=\"gap-864886250\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-864886250 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<p>(3) Srovn\u00e1n\u00ed skute\u010dn\u00fdch vst\u0159ikovan\u00fdch v\u00fdrobk\u016f<\/p>\n<p>Na p\u0159\u00edkladu vst\u0159ikov\u00e1n\u00ed rychlospojek automobilov\u00e9ho odpa\u0159ovac\u00edho syst\u00e9mu byla porovn\u00e1na kvalita vst\u0159ikov\u00e1n\u00ed t\u0159\u00ed polyamidov\u00fdch materi\u00e1l\u016f s dlouh\u00fdm \u0159et\u011bzcem vyztu\u017een\u00fdch GF na vst\u0159ikovac\u00edm stroji. Postup vst\u0159ikov\u00e1n\u00ed je uveden v tabulce 1. Skute\u010dn\u00e9 srovn\u00e1n\u00ed kvality vst\u0159ikov\u00e1n\u00ed r\u016fzn\u00fdch v\u00fdrobk\u016f z polyamidu s dlouh\u00fdm \u0159et\u011bzcem vyztu\u017een\u00fdch GF je uvedeno v tabulce 2. Jak je patrn\u00e9 z tabulky 2, rozm\u011bry materi\u00e1l\u016f PA612\/GF30 a PA1012\/GF30 spl\u0148uj\u00ed po\u017eadavky z\u00e1kazn\u00edka, ale vzhled materi\u00e1lu PA1012\/GF30 je lep\u0161\u00ed ne\u017e vzhled materi\u00e1lu PA612\/GF30. to m\u016f\u017ee b\u00fdt zp\u016fsobeno t\u00edm, \u017ee teplota t\u00e1n\u00ed materi\u00e1lu PA612\/GF30 je vy\u0161\u0161\u00ed ne\u017e teplota t\u00e1n\u00ed materi\u00e1lu PA1012\/GF30. Za stejn\u00fdch podm\u00ednek vst\u0159ikov\u00e1n\u00ed je tekutost materi\u00e1lu PA1012\/GF30 lep\u0161\u00ed. krom\u011b toho jsou v\u00fdrobky vyroben\u00e9 z PA1012\/GF30 o 0,1 g t\u011b\u017e\u0161\u00ed ne\u017e v\u00fdrobky vyroben\u00e9 z PA12\/GF30, zat\u00edmco v\u00fdrobky vyroben\u00e9 z PA612\/GF30 jsou o 0,5 g t\u011b\u017e\u0161\u00ed ne\u017e v\u00fdrobky vyroben\u00e9 z PA12\/GF30. soud\u011b podle vlastnost\u00ed materi\u00e1lu a skute\u010dn\u00e9 situace p\u0159i vst\u0159ikov\u00e1n\u00ed je PA1012\/GF30 nejekonomi\u010dt\u011bj\u0161\u00edm materi\u00e1lem, kter\u00fd nahrazuje PA12\/GF30.<\/p>","protected":false},"excerpt":{"rendered":"<p>Co jsou polyamidy s kr\u00e1tk\u00fdm a dlouh\u00fdm \u0159et\u011bzcem Polyamidy s m\u00e9n\u011b ne\u017e 10 atomy uhl\u00edku v \u0159et\u011bzci se obecn\u011b ozna\u010duj\u00ed jako polyamidy s kr\u00e1tk\u00fdm \u0159et\u011bzcem (nebo nylony s kr\u00e1tk\u00fdm \u0159et\u011bzcem), nap\u0159\u00edklad polyamid 6 (PA6), polyamid 66 (PA66) a polyamid 46 (PA46). Polyamidy s 10 a v\u00edce atomy uhl\u00edku v \u0159et\u011bzci se naz\u00fdvaj\u00ed polyamidy s dlouh\u00fdm \u0159et\u011bzcem (nebo nylony s dlouh\u00fdm \u0159et\u011bzcem), [...]","protected":false},"author":1,"featured_media":2131,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2119","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/posts\/2119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/comments?post=2119"}],"version-history":[{"count":5,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/posts\/2119\/revisions"}],"predecessor-version":[{"id":2132,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/posts\/2119\/revisions\/2132"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/media\/2131"}],"wp:attachment":[{"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/media?parent=2119"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/categories?post=2119"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nylon-granules.com\/cs\/wp-json\/wp\/v2\/tags?post=2119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}