{"id":140227,"date":"2022-08-04T10:09:36","date_gmt":"2022-08-04T08:09:36","guid":{"rendered":"https:\/\/concentrol.com\/polyurethane-systems\/"},"modified":"2023-11-08T19:31:31","modified_gmt":"2023-11-08T17:31:31","slug":"els-sistemes-de-poliureta","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/ca\/els-sistemes-de-poliureta\/","title":{"rendered":"Els sistemes de poliuret\u00e0"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_column_text uncode_shortcode_id=\u00bb147549&#8243;]<span style=\"font-weight: 400;\">Concentrol revisa constantment tota la seva gamma de productes per adaptar-la als requeriments de la ind\u00fastria i normativa vigent. Els sistemes de poliuret\u00e0 han centrat la darrera investigaci\u00f3 de l\u2019empresa qu\u00edmica i que definir\u00e0 l\u2019estrat\u00e8gia per a cada una de les l\u00ednies.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Els sistemes de poliuret\u00e0 consten de dos components, un d\u2019ells \u00e9s barreja de poliols amb additius i l\u2019altre un diisocianat. En ser barrejats en forma homog\u00e8nia reaccionen per formar el poliuret\u00e0. Concentrol ha centrat esfor\u00e7os en el sistema durant els darrers 6 anys, invertint hores de recerca tant en l&#8217;\u00e0mbit de laboratori com en l&#8217;\u00e0mbit comercial.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><img decoding=\"async\" class=\"aligncenter wp-image-140209 size-full\" src=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/1.png\" alt=\"\" width=\"460\" height=\"96\" srcset=\"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1.png 460w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1-300x63.png 300w, https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/wp-content\/uploads\/2022\/08\/1-350x73.png 350w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400;\">El primer dels components del sistema \u00e9s la mescla de poliols amb grups reactius -OH, contenint catalitzadors, retardants de flama, agents expansius i agents estabilitzadors de l\u2019escuma. De poliols n\u2019hi ha del tipus poli\u00e8ster (els m\u00e9s habituals), poli\u00e8ter -que entrega bones propietats mec\u00e0niques i una alta reactivitat- o poliols especials.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El segon component del sistema del poliuret\u00e0 \u00e9s l\u2019Isocianat, un enlla\u00e7 d\u2019un o diversos grups d\u2019NCO. Els m\u00e9s habituals serien els tipus arom\u00e0tics (MDI, TDI, PMDI), per\u00f2 tamb\u00e9 existeixen els tipus alif\u00e0tics.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Cada sistema de poliuret\u00e0 s\u2019adapta a les necessitats del client. D\u2019aquesta manera el poliuret\u00e0 pot adquirir diverses propietats a trav\u00e9s dels additius:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Catalitzadors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Silicones Estabilitzants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agents expansius<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agents retardants de flama<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Agents desairejants i antiespumants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Antioxidants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Obridors de cel\u00b7la<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Additius anti-separaci\u00f3<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Absorbents d&#8217;humitat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fungicides<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Colorants<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">La versatilitat dels sistemes de poliuret\u00e0, la seva composici\u00f3 i els seus additius fa que s\u2019utilitzin en molts sectors. N\u2019hi ha de diversos tipus: flexible, viscoel\u00e0stica, r\u00edgida, semir\u00edgida, integral, RIM, RRIM.<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>TIPUS<\/b><\/td>\n<td><b>CARACTER\u00cdSTIQUES<\/b><\/td>\n<td><b>APLICACIONS<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Escumes flexibles<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cel\u00b7la oberta, matriu elastom\u00e8rica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Mobiliari, seients d\u2019autom\u00f2bil<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Escumes semir\u00edgides<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cel\u00b7la oberta, matriu elastom\u00e8rica, major rigidesa que l&#8217;espuma flexible<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Interior d\u2019autom\u00f2bil (taulell de control, portes, sostres, i tamb\u00e9 principalment per confort, a\u00efllament ac\u00fastic)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Escumes r\u00edgides<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Preferiblement cel\u00b7la tancada, matriu r\u00edgida<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A\u00efllament t\u00e8rmic<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Escumes integrals<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Nucli cel\u00b7lular, pell compacte<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Volants, palanques de canvi, fusta artificial<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Escumes RIM<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Estructura microcel\u00b7lular, compacte, dur<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Parts estructurals d\u2019autom\u00f2bil, para-xocs, tapa cubs<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Cal\u00e7at<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Estructura cel\u00b7lular (alta densitat), matriu elastom\u00e8rica<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Soles de sabates<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Poliuret\u00e0 termopl\u00e0stic (TPU)<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Elast\u00f2mers compactes, termopl\u00e0sticament processable<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cablejat, soles sabates, films, fibres<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>CASE (Coatings, Adhesius, Sellants &amp; Elast\u00f2mers):<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Principalment compactes, elastom\u00e8rics<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Superf\u00edcies transparents de PU, Adhesius, rodes de pat\u00ed, escuma per construcci\u00f3<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><b>El proc\u00e9s productiu<\/b><\/p>\n<p><span style=\"font-weight: 400;\">El proc\u00e9s productiu \u00e9s tant de tipus continu com discontinu i es basa en la mescla de mat\u00e8ries primeres (poliols o isocianats, segons el cas) i d\u2019altres auxiliars (catalitzadors, agents expansius, agents retardants de flama, colorants i additius, segons el cas).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Per a la fabricaci\u00f3 del component poliol formulat (component A) es barregen diferents classes de poliol junt amb altres mat\u00e8ries, com catalitzadors, escumants, retardants de flama, colorants, silicones estabilitzants i d\u2019altres additius.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">El poliol com a tal, aporta moltes de les propietats finals del pol\u00edmer, incloent-hi flexibilitat, les propietats a baixa temperatura, caracter\u00edstiques del processat i rigidesa. Els poliols m\u00e9s comuns destinats a la fabricaci\u00f3 de poliuretans s\u00f3n els poli\u00e8ters sintetitzats a partir d\u2019\u00f2xids d\u2019etil\u00e8, \u00f2xid de propil\u00e8 i de tetrahidrofuran (C2, C3 i C4, respectivament). Tamb\u00e9 existeixen poliols polim\u00e8rics.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u2019altra banda, el component isocianat formulat (component B) es produeix a trav\u00e9s de la mescla de diferents tipus de MDI (4-4-difenilmetanodiiscionato). En alguns casos, s\u2019afegeixen tamb\u00e9 petites dosis de poliol al MDI, produint-se una reacci\u00f3 qu\u00edmica de prepolimeritzaci\u00f3 que t\u00e9 com a objectiu modificar les caracter\u00edstiques finals del producte.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Dins dels isocianats es classifiquen, en general, com a arom\u00e0tics i alif\u00e0tics. Dins dels arom\u00e0tics podem citar el MDI, PMDI i el TDI. Els que s\u00f3n del tipus arom\u00e0tics, una de les seves dues caracter\u00edstiques principals \u00e9s que la seva aromaticitat provoca que aquests siguin propensos a absorbir radiaci\u00f3 UV. Aix\u00f2 provoca que es donin reaccions d\u2019oxidaci\u00f3 secund\u00e0ries, especialment en pres\u00e8ncia d\u2019oxigen atmosf\u00e8ric i aigua. Aix\u00f2 provoca coloracions des de groc fins a marr\u00f3, en funci\u00f3 del grau d\u2019oxidaci\u00f3.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Una altra caracter\u00edstica molt important, \u00e9s que s\u00f3n m\u00e9s reactius que els tipus alif\u00e0tics. Aquests s\u00f3n m\u00e9s cars i menys reactius i es fan servir quan l\u00b4estabilitat a la llum \u00e9s un factor important. Per a dur a terme la producci\u00f3 es disposa de reactors mescladors de diferents capacitats. El proc\u00e9s de dosificaci\u00f3 i barreja est\u00e0 automatitzat i gestionat per aut\u00f2mats.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><b>Tecnologia<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Existeixen dos tipus de m\u00e0quines d\u2019injecci\u00f3 de poliuret\u00e0: a baixa pressi\u00f3 i alta pressi\u00f3. Aquestes es poden fer servir per a una producci\u00f3 discont\u00ednua o continua.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e0quines de Baixa pressi\u00f3: s\u00f3n les menys emprades, produccions baixes, petits volums de producci\u00f3. En aquest cas, els cap\u00e7als de mescla, els components es barregen en c\u00e0meres separades mitjan\u00e7ant un agitador mec\u00e0nic. Es desaprofita m\u00e9s mat\u00e8ria primera i s\u2019ha de netejar el cap\u00e7al en cada injectada.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e0quines d\u2019alta pressi\u00f3: amb aquestes es millora les condicions de treball. La fabricaci\u00f3 \u00e9s m\u00e9s precisa, ja que es mesclen els components de manera efectiva. Els cap\u00e7als s\u2019autonetegen cada vegada.\u00a0<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b>Sectors<\/b><\/p>\n<p><span style=\"font-weight: 400;\">El mercat del poliuret\u00e0 es reparteix entre una desena de sectors, els m\u00e9s importants dels quals s\u00f3n: la construcci\u00f3 i edificaci\u00f3, el sector de l\u2019autom\u00f2bil i l\u2019electr\u00f2nica. Tamb\u00e9 s\u2019utilitza en mobiliari, matalasseria i embalatge.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Per a la construcci\u00f3 i edificaci\u00f3 es fan servir sistemes formulats i semiformulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d\u2019escumes r\u00edgides.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Una de les aplicacions rellevants dins d\u2019aquest sector serien els panells Sandwich que estan formats per un nucli a\u00efllant d\u2019escuma r\u00edgida de poliuret\u00e0 (PUR) o poli-isocianurat (PIR) adherit a dos perfils met\u00e0l\u00b7lics. Aquests solen ser d\u2019acer o alumini.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><img decoding=\"async\" class=\"aligncenter wp-image-140215\" src=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/2.png\" alt=\"\" width=\"270\" height=\"112\" \/><\/span><\/p>\n<p><span style=\"font-weight: 400;\">L&#8217;escuma de poliisocianurat r\u00edgida (PIR) \u00e9s una variant de l&#8217;escuma de poliuret\u00e0 (PUR) que mant\u00e9 pr\u00e0cticament la mateixa aparen\u00e7a, alterant, en canvi, les seves propietats mec\u00e0niques i t\u00e8rmiques, que difereixen principalment pel seu millor comportament del foc. PIR escuma reacciona al foc de forma segura formant una capa superficial carbonada que protegeix i evita el foc penetrant en les capes internes.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A continuaci\u00f3 es mostren exemples d\u00b4aplicacions de sistemes de poliuret\u00e0 dins d\u00b4aquest sector:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Panells Sandwich PUR i PIR amb tecnologia cont\u00ednua, tant amb recobriments met\u00e0l\u00b7lics com flexibles, utilitzats en tancaments (fa\u00e7anes i cobertes), sales frigor\u00edfiques i a\u00efllament en construcci\u00f3.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Panells Sandwich PUR i PIR amb tecnologia discont\u00ednua usada en la ind\u00fastria del fred.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes r\u00edgids PUR per a ser aplicats <\/span><i><span style=\"font-weight: 400;\">in situ<\/span><\/i><span style=\"font-weight: 400;\"> per projecci\u00f3 en el sector de la construcci\u00f3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes de poliuret\u00e0 r\u00edgid a aplicar per fosa. Bloc de poliuret\u00e0 r\u00edgid per a l&#8217;obtenci\u00f3 de plaques i coquilles per a l&#8217;a\u00efllament.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes de PUR r\u00edgid per a c\u00e0rregues i persianes\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes de poliuret\u00e0 r\u00edgid per a a\u00efllament de canonades (a\u00efllant de canonades)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes de poliuret\u00e0 r\u00edgid per a a\u00efllaments en col\u00b7lectors solars t\u00e8rmics\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sistemes de PU Elastom\u00e8ric per recobriment (densitat 1000)\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poliureas<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">En segon lloc, destaca el sector d\u2019automoci\u00f3. A continuaci\u00f3 es detalla un resum segons el sistema de poliuret\u00e0 quina aplicaci\u00f3 tindr\u00edem dins del sector comentat:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Sistema de poliuret\u00e0<\/b><\/td>\n<td><b>Aplicaci\u00f3<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats i semi-formulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d&#8217;escumes flexibles. Tant de tecnologia convencional com \u201cin situ\u201d<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seients davanters o del darrera\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respatllers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reposacaps<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recolza-bra\u00e7 central<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Insonoritzants terres<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d\u2019escumes semir\u00edgides<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Quadre de comandament d\u2019instrumentaci\u00f3<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sostres (A partir de Bloc d\u2019escuma)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peces d\u2019absorci\u00f3 d\u2019energia (para-xocs\u2026)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peces refor\u00e7ades amb fibra de vidre (laterals de porta)<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l&#8217;obtenci\u00f3 de bloc d\u2019escumes semir\u00edgides<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sostres<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l&#8217;obtenci\u00f3 d&#8217;escumes amb pell integral<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Volants<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Poms del canvi de marxes<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Reposacaps<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d\u2019escumes amb pell integral d\u2019alta densitat<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recobriment de cables<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Connectors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Filtres d&#8217;aire<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d&#8217;escumes r\u00edgides d&#8217;alta densitat\u00a0<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Alerons del darrera<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deflectors<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Marcs de Finestres i portes de caravanes<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per a\u00a0 tecnologies RIM i RRIM<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Alerons<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Para-xocs<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Encapsulat de cristalls (finestres)<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peces exteriors<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">Un altre sector prou important pel potencial de venda \u00e9s el del moble. A continuaci\u00f3 veiem les diferents possibilitats:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Sistema de poliuret\u00e0<\/b><\/td>\n<td><b>Aplicaci\u00f3<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats i semi-formulats de poliuret\u00e0 per a l\u2019obtenci\u00f3 d\u2019escumes\u00a0 Flexibles. Tant per a tecnologia convencional com \u00abIn Situ\u00bb (Especial atenci\u00f3 al proc\u00e9s d\u2019espumaci\u00f3 en bloc continu.)<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seients de cinema i oficina<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Respatllers<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Sof\u00e0s<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Matalassos<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Coixins<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0\u00a0 per a l\u2019obtenci\u00f3 d\u2019escumes amb pell integral<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Recolza-bra\u00e7os<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Peus cadira oficina<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Seients<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l\u2019obtenci\u00f3 d\u2019escumes r\u00edgides de Baixa densitat<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Inserts cadires<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Marcs de quadres<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Imitaci\u00f3 fusta<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l\u2019obtenci\u00f3\u00a0 d\u2019escumes r\u00edgides d\u2019alta densitat<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Carcasses ordinador i altres equips t\u00e8cnics<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Altaveus<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Farcit perfils d&#8217;alumini<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per l&#8217;obtenci\u00f3 d&#8217;espumes r\u00edgides de molt alta densitat<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Carcasses ordinador i altres equips t\u00e8cnics<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Altaveus<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Pel que fa a un altre sector important, com \u00e9s el de cal\u00e7at, a continuaci\u00f3 veiem les possibilitats:<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Sistema de poliuret\u00e0<\/b><\/td>\n<td><b>Aplicaci\u00f3<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats i semiformulats de poliuret\u00e0, per a la fabricaci\u00f3 de soles i entresoles<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at de carrer i oci<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at de treball i seguretat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at d\u2019esport i trekking<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Plantilles<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cautx\u00fa-PU<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Gransa d\u2019elast\u00f2mer termopl\u00e0stic de poliuret\u00e0 per a la fabricaci\u00f3 de soles i tapetes<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at de carrer i oci<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at de treball i de seguretat<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Cal\u00e7at d\u2019esport i trekking<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Sistemes formulats de poliuret\u00e0 per a l\u2019obtenci\u00f3 d\u2019escumes flexibles<\/span><\/td>\n<td>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Plantilles<\/span><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\u00bb1\/1&#8243;][vc_button border_width=\u00bb0&#8243; link=\u00bburl:https%3A%2F%2Fconcentrol.com%2Fwp-content%2Fuploads%2F2022%2F08%2FCA_sistemes-PUR.pdf|target:_blank\u00bb uncode_shortcode_id=\u00bb107211&#8243;]Descarregar infografia[\/vc_button][vc_column_text uncode_shortcode_id=\u00bb179232&#8243;]<div class=\"wp-block-pdfemb-pdf-embedder-viewer\"><a href=\"https:\/\/concentrol.com\/wp-content\/uploads\/2022\/08\/CA_sistemes-PUR.pdf\" class=\"pdfemb-viewer\" style=\"\" data-width=\"max\" data-height=\"max\" data-toolbar=\"bottom\" data-toolbar-fixed=\"off\">CA_sistemes-PUR<\/a><\/div>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text uncode_shortcode_id=\u00bb147549&#8243;]Concentrol revisa constantment tota la seva gamma de productes per adaptar-la als requeriments de la ind\u00fastria i normativa vigent. [&hellip;]<\/p>\n","protected":false},"author":24,"featured_media":140204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[1020],"tags":[808,893],"class_list":["post-140227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pu-additives-ca","tag-concentrol-ca","tag-defoamer-ca"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Els sistemes de poliuret\u00e0<\/title>\n<meta name=\"description\" content=\"Concentrol - Chemical Solutions\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/concentrol.com\/ca\/els-sistemes-de-poliureta\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta 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