{"id":5095,"date":"2022-02-28T10:03:03","date_gmt":"2022-02-28T10:03:03","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5095"},"modified":"2026-04-28T10:41:56","modified_gmt":"2026-04-28T10:41:56","slug":"why-is-c5-petroleum-resin-used-for-butyl-inner-tube-production","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/why-is-c5-petroleum-resin-used-for-butyl-inner-tube-production\/","title":{"rendered":"Por que a resina de petr\u00f3leo C5 \u00e9 usada na produ\u00e7\u00e3o de tubos internos de butil?"},"content":{"rendered":"<h1><strong>Por que a resina de petr\u00f3leo C5 \u00e9 usada na produ\u00e7\u00e3o de tubos internos de butil?<\/strong><\/h1>\n<p><!-- lc-qa-start --><\/p>\n<p><strong>Quick answer:<\/strong> Surface-control additives are usually selected by defect type, compatibility, and dosage window. The strongest commercial choice is the one that fixes the real problem without creating a new one.<\/p>\n<p><!-- lc-qa-end --><\/p>\n<p>Atualmente, os produtos de tubos internos no mercado s\u00e3o todos produzidos e processados com borracha but\u00edlica ou borracha but\u00edlica recuperada como mat\u00e9ria-prima, o que \u00e9 determinado pelo excelente desempenho de veda\u00e7\u00e3o da borracha but\u00edlica\/borracha recuperada. A borracha but\u00edlica\/borracha recuperada tem uma permeabilidade ao ar muito baixa e \u00e9 a melhor mat\u00e9ria-prima para a produ\u00e7\u00e3o de c\u00e2maras de ar. Ao usar borracha but\u00edlica ou borracha but\u00edlica recuperada para produzir produtos de tubos internos, a resina de petr\u00f3leo C5 \u00e9 frequentemente usada para ajustar as propriedades f\u00edsicas e a viscosidade Mooney do tubo interno de butil. Por qu\u00ea? As resinas ep\u00f3xi comuns no campo da borracha vulcanizada com resina de petr\u00f3leo C5 incluem a resina de petr\u00f3leo C5 e a resina de petr\u00f3leo C9. Entre elas, a resina de petr\u00f3leo C5 tem boa compatibilidade com part\u00edculas de pl\u00e1stico but\u00edlico e pertence \u00e0 resina ep\u00f3xi de cadeia de carbono alic\u00edclica, que pode melhorar a viscosidade das part\u00edculas de pl\u00e1stico. Alta qualidade e baixo pre\u00e7o, por isso \u00e9 geralmente usada na receita secreta do tubo interno de butil.<\/p>\n<p>&nbsp;<\/p>\n<p>1. A aplica\u00e7\u00e3o de resina de petr\u00f3leo C5 como aglutinante e agente de ader\u00eancia na receita secreta do tubo interno de butil pode melhorar a resist\u00eancia, a resist\u00eancia \u00e0 compress\u00e3o e o alongamento na ruptura de pellets de pl\u00e1stico recuperado de butil, melhorando assim os indicadores de desempenho do tubo interno de butil e aumentando a vida \u00fatil.<\/p>\n<p>2. A resina de petr\u00f3leo C5 pode melhorar as propriedades da borracha vulcanizada dos pellets de pl\u00e1stico but\u00edlico, aumentar o tempo de fragiliza\u00e7\u00e3o, melhorar a alta efici\u00eancia da borracha vulcanizada e o fator de seguran\u00e7a da produ\u00e7\u00e3o e do processamento.<\/p>\n<p>&nbsp;<\/p>\n<p>3. A pr\u00f3pria resina de petr\u00f3leo C5 tem boa fluidez na borracha vulcanizada, o que pode melhorar a lubrifica\u00e7\u00e3o e a viscosidade dos gr\u00e2nulos de pl\u00e1stico but\u00edlico, reduzir a viscosidade Mooney dos gr\u00e2nulos de pl\u00e1stico e melhorar a ductilidade e a fluidez dos gr\u00e2nulos de borracha but\u00edlica\/pl\u00e1stico recuperado.<\/p>\n<p>4. O tubo interno de butil acabado com resina de petr\u00f3leo C5 tem boa rigidez, boa resist\u00eancia \u00e0 compress\u00e3o da borda e pequena deforma\u00e7\u00e3o permanente, o que pode melhorar o \u00edndice de desempenho do tubo interno de butil.<\/p>\n<p>5. A resina de petr\u00f3leo C5 tem as caracter\u00edsticas da SXF e de outras resinas ep\u00f3xi, mas o pre\u00e7o \u00e9 mais baixo, portanto, al\u00e9m de melhorar o desempenho abrangente das c\u00e2maras de ar de butil, tamb\u00e9m pode reduzir significativamente o custo das mat\u00e9rias-primas.<\/p>\n<p>&nbsp;<\/p>\n<p>Tubo interno de butil <a href=\"https:\/\/c5.longchangadditive.com\/\">Resina de petr\u00f3leo C5<\/a> tem alta resist\u00eancia \u00e0 compress\u00e3o, boa viscosidade, ades\u00e3o est\u00e1vel, resist\u00eancia a altas temperaturas e resist\u00eancia ao envelhecimento. Quando usado em produtos de tubo interno de butil, ele pode melhorar a deforma\u00e7\u00e3o t\u00e9rmica do tubo interno de butil e melhorar a plasticidade. A viscosidade do gr\u00e3o, melhora as caracter\u00edsticas de produ\u00e7\u00e3o e processamento dos pellets de pl\u00e1stico but\u00edlico, melhora a taxa de rendimento e aumenta a vida \u00fatil dos tubos internos de butil. Se for muito grande, prejudicar\u00e1 o valor do \u00edndice f\u00edsico e o valor do \u00edndice qu\u00edmico org\u00e2nico do tubo interno de butil.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>O que voc\u00ea sabe sobre o princ\u00edpio de endurecimento da resina?<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Processo de endurecimento da resina fen\u00f3lica<\/p>\n<p>O primeiro est\u00e1gio \u00e9 que a resina termopl\u00e1stica reage com a urotropina para formar um produto intermedi\u00e1rio contendo uma ponte de dimetileno-amino: -CH2-NH-CH2-; o segundo est\u00e1gio \u00e9 que esses produtos continuam a reagir com as mol\u00e9culas de resina para formar uma enorme rede. A resina termoendurec\u00edvel de estrutura semelhante decomp\u00f5e a am\u00f4nia. Durante o processo de endurecimento, ela n\u00e3o apenas interage com o fen\u00f3lico termopl\u00e1stico, mas tamb\u00e9m reage com o fenol livre para formar a resina termofixa. Esse processo n\u00e3o requer nenhum catalisador e pode ser realizado por aquecimento a uma determinada temperatura.<br \/>\nResina fen\u00f3lica termopl\u00e1stica + (CH2)6N4D \u2192 resina termofixa + am\u00f4nia;<br \/>\n13C6H5OH+(CH2)6N4 D\u2192resina termofixa + 8NH3;<br \/>\nProcesso de endurecimento de poliimida<br \/>\n\u00c9 um processo de polimeriza\u00e7\u00e3o sem endurecedor, e o processo de polimeriza\u00e7\u00e3o tamb\u00e9m \u00e9 dividido em duas etapas. A primeira etapa \u00e9 a fus\u00e3o do pr\u00e9-pol\u00edmero de poliimida em baixa temperatura. A segunda etapa \u00e9 a cicliza\u00e7\u00e3o do pr\u00e9-pol\u00edmero para uma poliimida infus\u00edvel em uma temperatura mais alta.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Como a resina de petr\u00f3leo afeta o desempenho da borracha recuperada?<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>A resina de petr\u00f3leo tem baixo valor de acidez, boa miscibilidade, resist\u00eancia \u00e0 \u00e1gua, resist\u00eancia ao etanol, resist\u00eancia qu\u00edmica, estabilidade qu\u00edmica a \u00e1cidos e \u00e1lcalis, boa estabilidade t\u00e9rmica, pode ajustar a viscosidade e \u00e9 barata, sendo frequentemente usada como plastificante de refor\u00e7o para borracha. Como o tipo de borracha mais comumente usado, a borracha reciclada tamb\u00e9m usa resina de petr\u00f3leo para ajustar a viscosidade e as propriedades f\u00edsicas e mec\u00e2nicas das portas de borracha reciclada. Atualmente, as resinas de petr\u00f3leo mais usadas s\u00e3o a resina de petr\u00f3leo C9 e a resina de petr\u00f3leo C5.<\/p>\n<p>1. O desempenho da vulcaniza\u00e7\u00e3o da borracha reciclada.<br \/>\nO uso de resina de petr\u00f3leo aumenta, o tempo de queima da borracha reciclada \u00e9 prolongado e o tempo de vulcaniza\u00e7\u00e3o positivo da borracha reciclada com maior seguran\u00e7a de processamento \u00e9 reduzido com o aumento da quantidade de resina de petr\u00f3leo usada (geralmente 100 partes de borracha reciclada usam 3 partes de resina de petr\u00f3leo, tempo de vulcaniza\u00e7\u00e3o positivo** *longo).<\/p>\n<p>Em segundo lugar, a viscosidade da borracha Mooney recuperada.<br \/>\nA quantidade de resina de petr\u00f3leo usada aumenta, e a quantidade de C9 e C5 na qual a viscosidade Mooney da borracha reciclada diminui \u00e9 a mesma, e a viscosidade Mooney da borracha reciclada com resina de petr\u00f3leo C9 \u00e9 menor do que a da borracha reciclada com resina de petr\u00f3leo C5 (Observa\u00e7\u00e3o: 100 partes de borracha reciclada s\u00e3o adicionadas \u00e0 resina de petr\u00f3leo, e a porta de borracha reciclada Ao adicionar 5 partes de resina de petr\u00f3leo a 100 partes de borracha recuperada, cuja viscosidade diminuiu obviamente, a viscosidade Mooney dos dois tipos de borracha regenerada com resina de petr\u00f3leo C9 e C5 \u00e9 quase a mesma).<\/p>\n<p>Terceiro, a resist\u00eancia \u00e0 tra\u00e7\u00e3o da borracha recuperada.<br \/>\nA resist\u00eancia \u00e0 tra\u00e7\u00e3o da borracha reciclada diminui um pouco \u00e0 medida que a quantidade de resina de petr\u00f3leo usada aumenta (3 ou menos resinas de petr\u00f3leo s\u00e3o usadas para 100 borrachas recicladas e, quando a quantidade de resinas de petr\u00f3leo com pouca altera\u00e7\u00e3o na resist\u00eancia \u00e0 tra\u00e7\u00e3o excede 3, a resist\u00eancia \u00e0 tra\u00e7\u00e3o da borracha reciclada \u00e9 ligeiramente reduzida).<\/p>\n<p>4. Alongamento por rasgo da borracha recuperada.<br \/>\nA quantidade de resina de petr\u00f3leo usada aumenta, e o alongamento na ruptura da borracha recuperada aumenta (quando a quantidade de resina de petr\u00f3leo usada em 100 partes de borracha recuperada \u00e9 inferior a 3 partes, a quantidade de resina de petr\u00f3leo com menor altera\u00e7\u00e3o no alongamento na ruptura \u00e9 a mesma, e a ruptura da resina de petr\u00f3leo C9 \u00e9 a mesma. O alongamento \u00e9 maior do que o da borracha recuperada de resina de petr\u00f3leo C5.)<\/p>\n<p>Em quinto lugar, a dureza da borracha reciclada.<br \/>\nO uso de resina de petr\u00f3leo aumenta e a dureza da borracha recuperada diminui.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/pt\/product\/refined-c5-petroleum-resin-for-adhesives\/\">Resina de petr\u00f3leo C5 refinada para adesivos<\/a><\/strong><\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/pt\/product\/refined-c5-petroleum-resin-for-hot-melt-road-marking-paint\/\">Resina de petr\u00f3leo C5 refinada para tinta hot melt para sinaliza\u00e7\u00e3o vi\u00e1ria<\/a><\/strong><\/p>\n<p><strong><a class=\"row-title\" href=\"https:\/\/longchangchemical.com\/pt\/product\/refined-c5-petroleum-resin-for-tire-rubber-compounding\/\">Resina de petr\u00f3leo C5 refinada para composi\u00e7\u00e3o de borracha de pneus<\/a><\/strong><\/p>\n<p><!-- lc-commercial-start --><\/p>\n<h2>How buyers usually evaluate coating and ink additives<\/h2>\n<p>Additive selection is usually most effective when the team defines the defect first and then screens compatibility, dosage range, and process stage. That is often much more reliable than choosing only by chemistry family or by a single dramatic lab result.<\/p>\n<ul>\n<li><strong>Start from the defect, not the additive name:<\/strong> wetting loss, crater, microfoam, and instability often need different solutions even inside the same formula.<\/li>\n<li><strong>Check compatibility at the intended dosage:<\/strong> the strongest additive can still be the wrong commercial choice if it narrows the process window too much.<\/li>\n<li><strong>Review the stage of use:<\/strong> some products are most useful during grind, while others matter more during let-down, filling, or final application.<\/li>\n<li><strong>Balance cure or film quality with defect control:<\/strong> the right additive fixes the problem without sacrificing adhesion, gloss, or appearance.<\/li>\n<\/ul>\n<h3>Recommended product references<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> A practical non-phthalate plasticizer reference for application and compliance screens.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> A standard terephthalate-plasticizer benchmark in flexible-plastics applications.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/dbp-dibutyl-phthalate-cas-84-74-2\/\">CHLUMIFLEX DBP<\/a>:<\/strong> A conventional plasticizer comparison point in broader plasticizer discussions.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/chlumiaf-094\/\">CHLUMIAF 094<\/a>:<\/strong> A balanced defoamer reference for waterborne coatings and many general foam-control screens.<\/li>\n<\/ul>\n<h3>FAQ for buyers and formulators<\/h3>\n<p><strong>Why does an additive that looks powerful in a beaker sometimes fail in production?<\/strong><br \/>Because shear, temperature, substrate, and the full formula can all change the way the additive performs under real process conditions.<\/p>\n<p><strong>Should the most aggressive additive always be preferred?<\/strong><br \/>Not usually. The best additive is the one that solves the real defect while preserving the broadest safe operating window.<\/p>\n<p><!-- lc-commercial-end --><\/p>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se voc\u00ea precisar de COA MSDS TDS e pre\u00e7o. Voc\u00ea pode me enviar um e-mail <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #00ccff;\">info@longchangchemical.com<\/span><\/a> durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a sexta) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/b><\/strong><\/h4>","protected":false},"excerpt":{"rendered":"<p>At present, the inner tube products on the market are all produced and processed with butyl rubber or butyl reclaimed rubber as raw materials, which are determined by the excellent<\/p>","protected":false},"author":1,"featured_media":5097,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-5095","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-soresyn-resin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why is C5 petroleum resin used for butyl inner tube production? - Longchang Chemical<\/title>\n<meta name=\"description\" content=\"Why is C5 petroleum resin used for butyl inner tube production? 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