{"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>Resposta r\u00e1pida:<\/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>Como os compradores geralmente avaliam os aditivos para revestimentos e tintas<\/h2>\n<p>A sele\u00e7\u00e3o aditiva \u00e9 geralmente mais eficaz quando a equipe define o defeito primeiro e, em seguida, avalia a compatibilidade, a faixa de dosagem e a etapa do processo. Isso \u00e9 muitas vezes muito mais confi\u00e1vel do que escolher apenas pela fam\u00edlia qu\u00edmica ou por um \u00fanico resultado laboratorial dram\u00e1tico.<\/p>\n<ul>\n<li><strong>Comece pelo defeito, n\u00e3o pelo nome do aditivo:<\/strong> Perda por umedecimento, cratera, microespuma e instabilidade frequentemente precisam de solu\u00e7\u00f5es diferentes, mesmo dentro da mesma f\u00f3rmula.<\/li>\n<li><strong>Verifique a compatibilidade na dosagem pretendida:<\/strong> o aditivo mais forte ainda pode ser a escolha comercial errada se ele estreitar demais a janela de processo.<\/li>\n<li><strong>Revise o est\u00e1gio de uso:<\/strong> alguns produtos s\u00e3o mais \u00fateis durante a moagem, enquanto outros importam mais na dilui\u00e7\u00e3o, no enchimento ou na aplica\u00e7\u00e3o final.<\/li>\n<li><strong>Equilibre cura ou qualidade do filme com controle de defeitos:<\/strong> o aditivo certo resolve o problema sem sacrificar a ader\u00eancia, o brilho ou a apar\u00eancia.<\/li>\n<\/ul>\n<h3>Refer\u00eancias de produtos recomendadas<\/h3>\n<ul>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\">CHLUMIFLEX ATBC<\/a>:<\/strong> Um guia pr\u00e1tico de refer\u00eancia sobre plastificantes sem ftalatos para aplica\u00e7\u00f5es e verifica\u00e7\u00f5es de conformidade.<\/li>\n<li><strong><a href=\"https:\/\/longchangchemical.com\/pt\/product\/dotp-cas-6422-86-2\/\">CHLUMIFLEX DOTP<\/a>:<\/strong> Um padr\u00e3o de refer\u00eancia para plastificantes \u00e0 base de tereftalato em aplica\u00e7\u00f5es de pl\u00e1sticos flex\u00edveis.<\/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> Um antiespumante balanceado de refer\u00eancia para revestimentos \u00e0 base de \u00e1gua e muitas telas de controle de espuma de uso geral.<\/li>\n<\/ul>\n<h3>FAQ para compradores e formuladores<\/h3>\n<p><strong>Por que um aditivo que parece poderoso em um b\u00e9quer \u00e0s vezes falha na produ\u00e7\u00e3o?<\/strong><br \/>Porque cisalhamento, temperatura, substrato e a f\u00f3rmula completa podem alterar a maneira como o aditivo se comporta sob condi\u00e7\u00f5es reais de processamento.<\/p>\n<p><strong>O aditivo mais agressivo deve ser sempre preferido?<\/strong><br \/>Geralmente n\u00e3o. O melhor aditivo \u00e9 aquele que resolve o defeito real, mantendo a mais ampla janela de opera\u00e7\u00e3o segura.<\/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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