{"id":102664,"date":"2018-10-04T00:00:00","date_gmt":"2018-10-03T22:00:00","guid":{"rendered":"http:\/\/concentrol.efimatica.com\/desemmotllants-base-aigua-per-phylon\/"},"modified":"2025-07-31T12:02:32","modified_gmt":"2025-07-31T10:02:32","slug":"desemmotllants-base-aigua-per-phylon","status":"publish","type":"post","link":"https:\/\/hosting175685eu-cp704.wordpresstemporal.com\/ca\/desemmotllants-base-aigua-per-phylon\/","title":{"rendered":"Desemmotllants base aigua per Phylon"},"content":{"rendered":"

En els \u00faltims anys la ind\u00fastria del cal\u00e7at est\u00e0 creixent a un ritme constant gr\u00e0cies a l’alta demanda per a un producte est\u00e8tic, en concordan\u00e7a amb la moda, i, tot i aix\u00ed, d’alta comoditat i durabilitat. La ind\u00fastria del cal\u00e7at es pot classificar pel tipus d’usuari, finalitat del cal\u00e7at, i entre altres par\u00e0metres, el material amb el qual es fabrica.<\/p>\n

En aquest article ens centrarem en el material per a cal\u00e7at conegut com phylon<\/em>, una modificaci\u00f3 de la goma EVA, que mitjan\u00e7ant un procediment de termoconformat i de refrigeraci\u00f3 s’aconsegueix un material menys dens, i, per tant, m\u00e9s lleuger.<\/p>\n

Abans d’entrar en m\u00e9s detall amb el phylon, ens centrarem en la goma EVA per saber la proced\u00e8ncia d’aquest nou material que est\u00e0 en expansi\u00f3.<\/p>\n

La goma EVA \u00e9s un copol\u00edmer format per la repetici\u00f3 de mon\u00f2mers d’etil\u00e8 i acetat de vinil. La proporci\u00f3 usada d’aquests dos components determina les propietats i qualitats del material. Generalment s’utilitza entre un 10% i un 40% d’acetat de vinil, i la resta d\u2019etil\u00e8. Com m\u00e9s percentatge d’acetat de vinil, m\u00e9s qualitat tindr\u00e0 la goma EVA, ja que amb un percentatge petit s’obtindria un pol\u00edmer dur i trencad\u00eds. La goma EVA \u00e9s un pl\u00e0stic tou que, gr\u00e0cies el seu proc\u00e9s d’espumaci\u00f3, \u00e9s perfecte per a usos com les soles de sabata.<\/p>\n

La espumaci\u00f3 de l’EVA es fa mitjan\u00e7ant la introducci\u00f3 de gas al pol\u00edmer. Un agent de espumaci\u00f3, l’azodicarboamida sent el m\u00e9s com\u00fa, \u00e9s introdu\u00eft en la mescla d’EVA. Aquest, en escalfar la mescla, es descompon produint gas que queda atrapat en el pl\u00e0stic. El gas s’expandeix i es forma escuma d’EVA.<\/p>\n

Un cop s’ha format l’escuma d’EVA, les soles de sabata o altres parts de la sabata poden rebre forma mitjan\u00e7ant diferents m\u00e8todes. Un d’ells, el proc\u00e9s de comprensi\u00f3 en calent d’escuma d’EVA, d\u00f3na com a resultat el phylon.<\/p>\n

El phylon \u00e9s el proc\u00e9s m\u00e9s com\u00fa per a crear soles per sabates esportives. Aquest proc\u00e9s s’inicia amb EVA ja expandida, \u00e9s a dir, amb escuma d’EVA que cont\u00e9 bombolles de gas al seu interior. Aquesta escuma \u00e9s introdu\u00efda dins d’un motlle amb el detall i la forma final de la sola. El motlle es tanca i s\u2019escalfa fonent l’EVA del seu interior, permetent que el gas atrapat s’expandeixi encara m\u00e9s, facilitant que l’EVA ompli el motlle. El motlle es refreda i la pe\u00e7a d’EVA s’extreu.<\/p>\n

L’extracci\u00f3 de la pe\u00e7a de phylon es realitza gr\u00e0cies a la pres\u00e8ncia d’un agent desemmotllant. Aquest agent s\u2019aplica mitjan\u00e7ant una pistola aerogr\u00e0fica o un pinzell, proporcionant la lubricaci\u00f3 necess\u00e0ria per poder extreure la pe\u00e7a sense causar danys superficials. A m\u00e9s, aquests productes s\u00f3n els responsables de l’aspecte i el tacte de l\u2019acabat de la superf\u00edcie de la pe\u00e7a.<\/p>\n

El departament de desemmotllants de Concentrol ha desenvolupat un producte concentrat per diluir base aigua per a aquest proc\u00e9s. El producte CONCENTROL LP IADC-114-43 PHB<\/strong> t\u00e9 la capacitat de ser dilu\u00eft fins a 1: 100, depenent de les condicions de treball, mantenint una gran efici\u00e8ncia en el desemmotllament i la seva estabilitat a temperatures m\u00e9s elevades de 200\u00baC..<\/p>\n

CONCENTROL LP IADC-114-43 PHB<\/strong> proporciona a la pe\u00e7a un acabat brillant (figura 1), per\u00f2, amb la incorporaci\u00f3 d\u2019un additiu Concentrol, \u00e9s possible aconseguir una tonalitat satinada, o incl\u00fas, mat (figura 2).<\/p>\n

 <\/p>\n

<\/strong><\/p>\n

Figura 1: CONCENTROL LP IADC-114-43 PHB \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Figura 2: CONCENTROL LP IADC-114-43 PHB<\/p>\n

(original)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0(additiu mat Concentrol)<\/p>\n

 <\/p>\n

 <\/p>\n

Descarregar infogr\u00e0fic<\/a><\/p>\n

CA_DSM_phylon_4-10<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"

En els \u00faltims anys la ind\u00fastria del cal\u00e7at est\u00e0 creixent a un ritme constant gr\u00e0cies a l’alta demanda per a […]<\/p>\n","protected":false},"author":1,"featured_media":102077,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[127],"tags":[135],"class_list":["post-102664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-desemmotllantsrb","tag-calcat"],"acf":[],"yoast_head":"\nDesemmotllants base aigua per Phylon<\/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\/water-based-release-agents-for-phylon\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" 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