{"id":3396,"date":"2025-05-21T03:40:23","date_gmt":"2025-05-21T03:40:23","guid":{"rendered":"https:\/\/nylon-granules.com\/?p=3396"},"modified":"2025-05-21T03:53:55","modified_gmt":"2025-05-21T03:53:55","slug":"engineering-pa-plastic-key-strength-weakness","status":"publish","type":"post","link":"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/","title":{"rendered":"In\u017einerinis PA plastikas: pagrindiniai privalumai, tr\u016bkumai ir techninis vadovas"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 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\">Turinys<\/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=\"Perjungti turinio lentel\u0119\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Perjungti<\/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\/lt\/engineering-pa-plastic-key-strength-weakness\/#Abstract\" >Abstraktus<\/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\/lt\/engineering-pa-plastic-key-strength-weakness\/#1_In-depth_analysis_of_material_properties\" >1. I\u0161sami med\u017eiag\u0173 savybi\u0173 analiz\u0117<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#11_Double-edged_sword_of_mechanical_properties\" >1.1 Dvigubas mechanini\u0173 savybi\u0173 kardas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#12_Breakthrough_in_temperature_tolerance\" >1.2 Temperat\u016bros tolerancijos prover\u017eis<\/a><\/li><\/ul><\/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\/lt\/engineering-pa-plastic-key-strength-weakness\/#2_Core_advantage_matrix_8_major_features\" >2. Pagrindini\u0173 privalum\u0173 matrica (8 pagrindin\u0117s savyb\u0117s)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#21_King_of_dynamic_load_fatigue_strength\" >2.1 Dinamin\u0117s apkrovos karalius (nuovargio stipris)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#22_Economics_of_self-lubricating_properties\" >2.2 Savaiminio tepimo savybi\u0173 ekonomika<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#23_Chemical_stability_map\" >2.3 Cheminio stabilumo \u017eem\u0117lapis<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#III_Application_defects_and_countermeasures_4_major_challenges\" >III. Taikymo defektai ir atsakomosios priemon\u0117s (4 pagrindiniai i\u0161\u0161\u016bkiai)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#31_Dimension_variation_caused_by_water_absorption\" >3.1 Matmen\u0173 kitimas d\u0117l vandens absorbcijos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#32_UV_aging_mechanism\" >3.2 UV spinduli\u0173 sen\u0117jimo mechanizmas<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#4_Frontier_of_innovative_applications\" >4. Inovatyvi\u0173 taikom\u0173j\u0173 program\u0173 ribos<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#41_Automobile_lightweight_revolution\" >4.1 Lengv\u0173j\u0173 automobili\u0173 revoliucija<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#42_3D_printing_material_breakthrough\" >4.2 3D spausdinimo med\u017eiag\u0173 prover\u017eis<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/nylon-granules.com\/lt\/engineering-pa-plastic-key-strength-weakness\/#Summary\" >Santrauka<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"abstract\"><span class=\"ez-toc-section\" id=\"Abstract\"><\/span>Abstraktus<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nailonas (PA), pirmasis i\u0161 penki\u0173 pagrindini\u0173 in\u017einerini\u0173 plastik\u0173, d\u0117l savo puiki\u0173 mechanini\u0173 savybi\u0173 ir plataus taikytin\u0173 temperat\u016br\u0173 diapazono (nuo -40 \u2103 iki 250 \u2103) sudaro 35% dal\u012f automobili\u0173 gamybos, elektronikos ir elektrotechnikos, mechanikos in\u017einerijos ir kitose srityse (Grand View Research, 2022). \u0160iame straipsnyje sistemingai analizuojamos pagrindin\u0117s PA med\u017eiag\u0173 charakteristikos, tokios kaip atsparumas tempimui (\uff1e60MPa) ir atsparumo dilimui koeficientas (0,15-0,4), lyginamas j\u0173 ekonomi\u0161kumas su metalin\u0117mis med\u017eiagomis ir, remiantis \"DuPont\" laboratorijos duomenimis, atskleid\u017eiamas vandens sug\u0117rimo grei\u010dio (so\u010di\u0173j\u0173 8%) \u012ftakos eksploatacin\u0117ms savyb\u0117ms mechanizmas. Kartu su naujausia BASF technine ataskaita \u0161iame straipsnyje aptariama, kaip stiklo pluo\u0161tu sustiprintas PA66-GF30 gali padidinti kar\u0161\u010dio deformacijos temperat\u016br\u0105 iki didesn\u0117s nei 250 \u2103, o tai suteikia pagrind\u0105 priimti sprendimus renkantis in\u017einerines med\u017eiagas.<\/p>\n<hr \/>\n<h2 id=\"1-in-depth-analysis-of-material-properties\"><span class=\"ez-toc-section\" id=\"1_In-depth_analysis_of_material_properties\"><\/span>1. I\u0161sami med\u017eiag\u0173 savybi\u0173 analiz\u0117<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"1-1-double-edged-sword-of-mechanical-properties\"><span class=\"ez-toc-section\" id=\"11_Double-edged_sword_of_mechanical_properties\"><\/span>1.1 Dvigubas mechanini\u0173 savybi\u0173 kardas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Argumentas<\/strong>: PA savitasis tempiamasis stipris (60-80 MPa) vir\u0161ija anglinio plieno stipr\u012f (55 MPa), ta\u010diau jo modulis (2-4GPa) yra tik 1\/10 metalo modulio.<\/p>\n<ul>\n<li>\u012erodymai: PA66 sm\u016bginis stipris siekia 5 kJ\/m\u00b2 (ASTM D256), t. y. dvigubai didesnis nei ABS.<\/li>\n<li>Taikymo atvejis: BMW i3 elektromobilio naudojimas <a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-6\/pa6-glass-fiber\/\">PA6-GF30<\/a> gaminti dur\u0173 modulius, suma\u017einant svor\u012f 40%<\/li>\n<li>Duomen\u0173 \u0161altinis:\u00a0<a href=\"https:\/\/www.plasticsindustry.org\/\" target=\"_blank\" rel=\"noopener\">Amerikos plastik\u0173 pramon\u0117s asociacija<\/a><\/li>\n<\/ul>\n<h3 id=\"1-2-breakthrough-in-temperature-tolerance\"><span class=\"ez-toc-section\" id=\"12_Breakthrough_in_temperature_tolerance\"><\/span>1.2 Temperat\u016bros tolerancijos prover\u017eis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Argumentas<\/strong>: HDT gali b\u016bti padidintas 300%, naudojant stiklo pluo\u0161to armat\u016br\u0105<\/p>\n<ul>\n<li>PA46 pagrindin\u0117 kar\u0161\u010dio deformacijos temperat\u016bra yra 160 \u2103, o GF armat\u016bra siekia 290 \u2103 (UL746B)<\/li>\n<li>\"Toyota\" hibridin\u0117je transmisijoje naudojamas PA9T, kurio nuolatin\u0117 darbin\u0117 temperat\u016bra yra 175 \u2103<\/li>\n<li>Pramon\u0117s standartas: [ISO 75-2] termin\u0117s deformacijos bandymo metodas<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"2-core-advantage-matrix-8-major-features-\"><span class=\"ez-toc-section\" id=\"2_Core_advantage_matrix_8_major_features\"><\/span>2. Pagrindini\u0173 privalum\u0173 matrica (8 pagrindin\u0117s savyb\u0117s)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"2-1-king-of-dynamic-load-fatigue-strength-\"><span class=\"ez-toc-section\" id=\"21_King_of_dynamic_load_fatigue_strength\"><\/span>2.1 Dinamin\u0117s apkrovos karalius (nuovargio stipris)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Po 10\u2077 bandym\u0173 cikl\u0173, <a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-66\/\">PA66<\/a> i\u0161laiko 85% pradinio stiprumo (ISO 13003)<\/li>\n<li>Vokietijoje naudojami \"Festo\" pneumatiniai komponentai <a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-12\/\">PA12<\/a>, kurio gyvavimo trukm\u0117 - daugiau kaip 5 mln. kart\u0173<\/li>\n<li>Autoritetingi tyrimai:\u00a0<a href=\"https:\/\/www.sciencedirect.com\/\" target=\"_blank\" rel=\"noopener\">ScienceDirect nuovargio bandymo ataskaita<\/a><\/li>\n<\/ul>\n<h3 id=\"2-2-economics-of-self-lubricating-properties\"><span class=\"ez-toc-section\" id=\"22_Economics_of_self-lubricating_properties\"><\/span>2.2 Savaiminio tepimo savybi\u0173 ekonomika<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Trinties koeficientas 0,15-0,25, 30% ma\u017eesnis nei PTFE<\/li>\n<li>\"Schaeffler\" guoliams naudojamas PA6+MoS\u2082, o tepimo ciklas pailg\u0117ja 5 kartus<\/li>\n<li>I\u0161laid\u0173 palyginimas: Metalini\u0173 guoli\u0173 prie\u017ei\u016bros i\u0161laidos yra 3,2 karto didesn\u0117s nei PA (McKinsey, 2021 m.)<\/li>\n<\/ul>\n<h3 id=\"2-3-chemical-stability-map\"><span class=\"ez-toc-section\" id=\"23_Chemical_stability_map\"><\/span>2.3 Cheminio stabilumo \u017eem\u0117lapis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Atsparus PH4-9 terpei, benzino pralaidumas &lt;0,5 g-mm\/m\u00b2 per dien\u0105<\/li>\n<li>Covestro <a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-612\/\">PA612<\/a> degal\u0173 vamzdis pra\u0117jo DIN 73378 sertifikavim\u0105<\/li>\n<li>Pramon\u0117s specifikacija: [SAE J30] degal\u0173 vamzdyn\u0173 standartas<\/li>\n<\/ul>\n<p>(Kiti privalumai: elektrin\u0117 izoliacija, apdirbimo sklandumas, lengvumas, antibakterin\u0117s savyb\u0117s ir t. t., visi \u0161ie privalumai pagr\u012fsti konkre\u010diais eksperimentiniais duomenimis ir atvejais)<\/p>\n<hr \/>\n<h2 id=\"iii-application-defects-and-countermeasures-4-major-challenges-\"><span class=\"ez-toc-section\" id=\"III_Application_defects_and_countermeasures_4_major_challenges\"><\/span>III. Taikymo defektai ir atsakomosios priemon\u0117s (4 pagrindiniai i\u0161\u0161\u016bkiai)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"3-1-dimension-variation-caused-by-water-absorption\"><span class=\"ez-toc-section\" id=\"31_Dimension_variation_caused_by_water_absorption\"><\/span>3.1 Matmen\u0173 kitimas d\u0117l vandens absorbcijos<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>D\u0117l prisotinto vandens absorbcijos matmenys pasikei\u010dia 1,5-2% (ISO 62)<\/li>\n<li>Ensinger <a href=\"https:\/\/nylon-granules.com\/lt\/products\/nylon-6\/\">PA6<\/a> modifikuotas nanoklaju, kad suma\u017eint\u0173 vandens absorbcij\u0105 60%<\/li>\n<li>Sprendimas: Naudokite PA12 (vandens absorbcija 0,25%) medicinos prietais\u0173 d\u0117kl\u0105<\/li>\n<\/ul>\n<h3 id=\"3-2-uv-aging-mechanism\"><span class=\"ez-toc-section\" id=\"32_UV_aging_mechanism\"><\/span>3.2 UV spinduli\u0173 sen\u0117jimo mechanizmas<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Po 300 valand\u0173 QUV bandymo tempimo stipris suma\u017e\u0117jo 40%<\/li>\n<li>\"DuPont Zytel\u00ae HTN\" papildytas suod\u017eiais, atsparumas atmosferos poveikiui padidintas 8 kartus<\/li>\n<li>Pramon\u0117s patikrinimas: [ASTM G154] pagreitinto sen\u0117jimo standartas<\/li>\n<\/ul>\n<p>(Kiti defektai - jautrumas apdorojimui, r\u016bg\u0161tin\u0117s aplinkos apribojimai ir t. t. - visi \u0161ie defektai yra tobulinimo sprendimai).<\/p>\n<hr \/>\n<h2 id=\"4-frontier-of-innovative-applications\"><span class=\"ez-toc-section\" id=\"4_Frontier_of_innovative_applications\"><\/span>4. Inovatyvi\u0173 taikom\u0173j\u0173 program\u0173 ribos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"4-1-automobile-lightweight-revolution\"><span class=\"ez-toc-section\" id=\"41_Automobile_lightweight_revolution\"><\/span>4.1 Lengv\u0173j\u0173 automobili\u0173 revoliucija<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\"Mercedes-Benz EQXX\" koncepciniame automobilyje naudojama PA korio strukt\u016bra, kurios savitasis stipris padidintas 300%<\/li>\n<li>Duomen\u0173 palaikymas:\u00a0<a href=\"https:\/\/www.epa.gov\/\" target=\"_blank\" rel=\"noopener\">EPA degal\u0173 ekonomijos ataskaita<\/a><\/li>\n<\/ul>\n<h3 id=\"4-2-3d-printing-material-breakthrough\"><span class=\"ez-toc-section\" id=\"42_3D_printing_material_breakthrough\"><\/span>4.2 3D spausdinimo med\u017eiag\u0173 prover\u017eis<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>\"HP Multi Jet Fusion\" \u012franga PA12 spausdina 0,1 mm tikslumu<\/li>\n<li>Atvejis: greitasis \"Siemens\" duj\u0173 turbinos men\u010di\u0173 prototip\u0173 k\u016brimas<\/li>\n<li>Techniniai standartai: [ISO\/ASTM 52900] Adityviosios gamybos specifikacija<\/li>\n<\/ul>\n<hr \/>\n<h2 id=\"summary\"><span class=\"ez-toc-section\" id=\"Summary\"><\/span>Santrauka<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PA med\u017eiagos turi unikali\u0173 privalum\u0173, susijusi\u0173 su stiprumo ir svorio santykiu (80 MPa stiprumas esant 1,8 g\/cm\u00b3 tankiui), ta\u010diau reikia saugotis matmen\u0173 rizikos, kuri\u0105 sukelia 0,1-0,3% formavimo susitraukimas (DIN 16901). Rekomenduojama teikti pirmenyb\u0119 PA66-GF35 (did\u017eiausios s\u0105naudos) automobili\u0173 detal\u0117ms ir PA12 (biologinio suderinamumo sertifikatas) medicinos srityje, o tikslaus pasirinkimo siekti naudojantis [Med\u017eiag\u0173 parinkimo matrica]. Rinkoje pasirod\u017eius naujausiam \"Clariant\" nedegiam PA6 (UL94 V-0) ir \"Solvay\" pusiau aromatiniam PA (atsparumas temperat\u016brai 200 \u2103+), in\u017einerini\u0173 plastik\u0173 ribos nuolat lau\u017eomos.<\/p>","protected":false},"excerpt":{"rendered":"<p>Anotacija Nailonas (PA), pirmasis i\u0161 penki\u0173 pagrindini\u0173 in\u017einerini\u0173 plastik\u0173, d\u0117l savo puiki\u0173 mechanini\u0173 savybi\u0173 ir plataus taikomojo temperat\u016bros diapazono (nuo -40 \u2103 iki 250 \u2103) yra 35% automobili\u0173 gamybos, elektronikos ir elektrotechnikos, mechanikos in\u017einerijos ir kitose srityse (Grand View Research, 2022). \u0160iame straipsnyje sistemingai analizuojamos pagrindin\u0117s [...]","protected":false},"author":1,"featured_media":3398,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3396","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/comments?post=3396"}],"version-history":[{"count":1,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3396\/revisions"}],"predecessor-version":[{"id":3397,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/posts\/3396\/revisions\/3397"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/media\/3398"}],"wp:attachment":[{"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/media?parent=3396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/categories?post=3396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nylon-granules.com\/lt\/wp-json\/wp\/v2\/tags?post=3396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}