{"id":5512,"date":"2022-09-03T06:45:31","date_gmt":"2022-09-03T06:45:31","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=5512"},"modified":"2022-12-14T12:49:09","modified_gmt":"2022-12-14T12:49:09","slug":"flame-retardant-principle","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/pt\/flame-retardant-principle\/","title":{"rendered":"Princ\u00edpio do retardador de chama, os principais tipos de retardador de chama"},"content":{"rendered":"<h1><strong>Princ\u00edpio do retardador de chama, os principais tipos de retardador de chama<\/strong><\/h1>\n<p>Os retardantes de chama s\u00e3o usados para melhorar a resist\u00eancia \u00e0 chama de materiais moleculares, aumentando o ponto de igni\u00e7\u00e3o de materiais moleculares ou reduzindo a velocidade de queima de materiais, aumentando assim o tempo de resgate, salvando vidas e reduzindo perdas. De acordo com a estrutura, os retardantes de chama podem ser divididos em retardantes de chama macromoleculares polim\u00e9ricos e do tipo mol\u00e9cula pequena; de acordo com o m\u00e9todo de uso, eles podem ser divididos em retardantes de chama aditivos e retardantes de chama reativos; de acordo com o fato de o material conter halog\u00eanio, eles podem ser divididos em retardantes de chama hal\u00f3genos e retardantes de chama n\u00e3o hal\u00f3genos. Os retardantes de chama aditivos s\u00e3o usados principalmente em pol\u00edmeros termopl\u00e1sticos, que n\u00e3o reagem quimicamente com outros componentes do material e s\u00f3 existem no material polim\u00e9rico de forma f\u00edsica; os retardantes de chama reativos s\u00e3o usados principalmente em pol\u00edmeros termofixos, que participam da rea\u00e7\u00e3o qu\u00edmica dos pol\u00edmeros sint\u00e9ticos e se tornam a unidade estrutural dos pol\u00edmeros.<\/p>\n<p>De acordo com os tr\u00eas principais elementos da combust\u00e3o - material combust\u00edvel, material combust\u00edvel e fonte de fogo -, o princ\u00edpio do retardador de chamas pode ser resumido nos quatro seguintes.<\/p>\n<p>Primeiro, por meio da absor\u00e7\u00e3o de calor para obter o retardante de chamas. Por exemplo, a decomposi\u00e7\u00e3o do hidr\u00f3xido de alum\u00ednio retardador de chamas inorg\u00e2nico em altas temperaturas, a libera\u00e7\u00e3o de \u00e1gua cristalina e a evapora\u00e7\u00e3o da \u00e1gua cristalina em vapor de \u00e1gua. Esse processo absorver\u00e1 muito calor, reduzir\u00e1 a temperatura da superf\u00edcie do material e ser\u00e1 retardante de chamas.<\/p>\n<p>Em segundo lugar, ao gerar g\u00e1s n\u00e3o inflam\u00e1vel, dilui o oxig\u00eanio e diminui a velocidade da combust\u00e3o. Por exemplo, o retardador de chama de hidr\u00f3xido de alum\u00ednio produz vapor de \u00e1gua que pode reduzir a concentra\u00e7\u00e3o de oxig\u00eanio ao redor do material e inibir a propaga\u00e7\u00e3o do fogo.<\/p>\n<p>Terceiro, a forma\u00e7\u00e3o de uma camada de cobertura densa na superf\u00edcie do material, isolando o material do contato com o oxig\u00eanio. Por exemplo, os retardadores de chama \u00e0 base de f\u00f3sforo em condi\u00e7\u00f5es de alta temperatura se tornar\u00e3o uma estrutura mais est\u00e1vel de material s\u00f3lido reticulado ou uma camada carbonizada envolvida em torno do material para evitar a combust\u00e3o cont\u00ednua.<\/p>\n<p>Quarto, capturar os radicais livres envolvidos na rea\u00e7\u00e3o de combust\u00e3o e inibir a rea\u00e7\u00e3o em cadeia dos radicais livres. Por exemplo, retardadores de chama de bromo em condi\u00e7\u00f5es de alta temperatura, materiais polim\u00e9ricos por decomposi\u00e7\u00e3o t\u00e9rmica, retardadores de chama de bromo e produtos de decomposi\u00e7\u00e3o t\u00e9rmica ao mesmo tempo na \u00e1rea de combust\u00e3o da fase gasosa, capturam os radicais livres na \u00e1rea de combust\u00e3o da fase gasosa, inibem a rea\u00e7\u00e3o em cadeia dos radicais livres e, assim, impedem a propaga\u00e7\u00e3o da chama.<\/p>\n<p>De acordo com as categorias gerais, os retardantes de chama podem ser divididos em retardantes de chama que cont\u00eam halog\u00eanio e retardantes de chama n\u00e3o hal\u00f3genos. A maior diferen\u00e7a entre os dois \u00e9 que o primeiro cont\u00e9m halog\u00eanios, enquanto o segundo n\u00e3o cont\u00e9m halog\u00eanios. Entretanto, livre de halog\u00eanio n\u00e3o \u00e9 absolutamente livre de halog\u00eanio, mas \u00e9 definido de acordo com a quantidade de seu conte\u00fado. Livre de halog\u00eanio \u00e9 definido como menos de 900 ppm de bromo e cloro e menos de 1.500 ppm de bromo e cloro totais. Os retardantes de chama halogenados referem-se principalmente aos retardantes de chama bromados e aos retardantes de chama clorados, dos quais os retardantes de chama bromados s\u00e3o os retardantes de chama mais usados e amplamente utilizados. A maioria dos materiais retardadores de chama cont\u00e9m halog\u00eanios. Os retardadores de chama halogenados t\u00eam as caracter\u00edsticas de baixa adi\u00e7\u00e3o, efeito retardador de chama significativo e baixo pre\u00e7o. Na adi\u00e7\u00e3o de retardantes de chama, os elementos hal\u00f3genos t\u00eam boa compatibilidade com materiais polim\u00e9ricos e n\u00e3o afetam as propriedades f\u00edsicas e qu\u00edmicas dos pr\u00f3prios materiais. Mas, ao mesmo tempo, n\u00e3o podemos ignorar os retardantes de chama bromados individuais. Por exemplo, o hexabromociclododecano, no processo de combust\u00e3o, libera muita fuma\u00e7a e gases t\u00f3xicos, o que dificulta os esfor\u00e7os de fuga e recupera\u00e7\u00e3o.<\/p>\n<p>Os retardadores de chama halogenados enfrentam muita controv\u00e9rsia, por isso precisamos entender os seguintes fatos.<\/p>\n<p>Em primeiro lugar, os retardantes de chama bromados ainda s\u00e3o amplamente utilizados em todo o mundo, e atualmente existem at\u00e9 70 tipos de retardantes de chama bromados. A lista autorizada e a lista de candidatos da UE e de muitos pa\u00edses cont\u00eam apenas hexabromociclododecano, incluindo de 2 a 3 tipos de retardantes de chama halogenados. A grande maioria dos retardantes de chama bromados foi rigorosamente avaliada para provar que \u00e9 inofensiva para os seres humanos e o meio ambiente, e alguns retardantes de chama bromados, como o tetrabromobisfenol A, s\u00e3o menos t\u00f3xicos do que o sal de cozinha.<\/p>\n<p>Em segundo lugar, sob as condi\u00e7\u00f5es operacionais corretas, o processo de uso e reciclagem de retardantes de chama bromados n\u00e3o produzir\u00e1 novos gases perigosos para o mundo exterior, e a reciclabilidade \u00e9 melhor do que a de outros sistemas retardantes de chama. Os retardantes de chama bromados t\u00eam uma ampla gama de aplicabilidade, quase todos os materiais precisam ser retardantes de chama.<\/p>\n<p>Os retardantes de chama sem halog\u00eanio incluem retardantes de chama \u00e0 base de f\u00f3sforo, retardantes de chama intumescentes, retardantes de chama inorg\u00e2nicos, retardantes de chama contendo sil\u00edcio e retardantes de chama de base biol\u00f3gica. H\u00e1 muitos tipos de retardantes de chama sem halog\u00eanio, mas eles enfrentam um problema comum, ou seja, \u00e9 dif\u00edcil obter um bom efeito retardante de chama e h\u00e1 um impacto na mec\u00e2nica do material e nas propriedades de processamento. Portanto, os retardantes de chama halogenados e os retardantes de chama n\u00e3o halogenados t\u00eam suas pr\u00f3prias vantagens e desvantagens, e as pessoas devem levar em conta a estrutura do substrato que est\u00e1 sendo retardado, o uso do meio ambiente e a reciclagem etc. ao escolher os retardantes de chama. A maioria dos retardantes de chama sem halog\u00eanio cont\u00e9m os elementos f\u00f3sforo e nitrog\u00eanio.<\/p>\n<p>I. Retardadores de chama de f\u00f3sforo. Os retardantes de chama \u00e0 base de f\u00f3sforo s\u00e3o divididos em retardantes de chama \u00e0 base de f\u00f3sforo inorg\u00e2nico e retardantes de chama \u00e0 base de f\u00f3sforo org\u00e2nico; a modifica\u00e7\u00e3o do retardante de chama \u00e0 base de f\u00f3sforo e o retardante de chama composto s\u00e3o o foco de seu trabalho. Os retardadores de chama de f\u00f3sforo atuam principalmente no est\u00e1gio inicial de decomposi\u00e7\u00e3o do material no fogo, formando uma pel\u00edcula protetora, isolada do calor e do ar externos.<\/p>\n<p>Em segundo lugar, a expans\u00e3o dos retardadores de chama. Os retardadores de chama intumescentes podem proteger com efic\u00e1cia o material exposto \u00e0 chama por um longo per\u00edodo.<\/p>\n<p>Terceiro, retardadores de chama inorg\u00e2nicos. Os retardantes de chama inorg\u00e2nicos t\u00eam boa estabilidade t\u00e9rmica, retardante de chama, n\u00e3o vol\u00e1til, g\u00e1s n\u00e3o corrosivo, pequena gera\u00e7\u00e3o de fuma\u00e7a, etc., e s\u00e3o as principais mat\u00e9rias-primas do sistema retardante de chama sem halog\u00eanio de baixo halog\u00eanio.<\/p>\n<p>Quarto, retardadores de chama contendo sil\u00edcio. Os retardantes de chama que cont\u00eam sil\u00edcio, a estrutura Si-O-Si \u00e9 est\u00e1vel e tem as caracter\u00edsticas de baixa toxicidade, antigotejamento, promove a forma\u00e7\u00e3o de carbono e a supress\u00e3o de fuma\u00e7a durante a combust\u00e3o.<\/p>\n<p>V. Retardantes de chama de base biol\u00f3gica. Embora os retardantes de chama de base biol\u00f3gica estejam apenas no est\u00e1gio inicial da pesquisa, eles se tornaram gradualmente um foco de aten\u00e7\u00e3o e pesquisa com base em suas vantagens de baixo pre\u00e7o, n\u00e3o toxicidade e ampla gama de recursos.<\/p>\n<p>Compreens\u00e3o cient\u00edfica da prote\u00e7\u00e3o ambiental dos retardantes de chama. Nos \u00faltimos anos, os retardantes de chama sem halog\u00eanio s\u00e3o cada vez mais procurados. Por muito tempo e at\u00e9 hoje, \"os retardantes de chama hal\u00f3genos s\u00e3o t\u00f3xicos e prejudiciais, os retardantes de chama sem halog\u00eanio s\u00e3o ecologicamente corretos e s\u00e3o a dire\u00e7\u00e3o futura dos retardantes de chama\", a vis\u00e3o errada est\u00e1 profundamente enraizada. O ponto de vista dos retardantes de chama sem halog\u00eanio \"sem halog\u00eanio = prote\u00e7\u00e3o ambiental\" se tornou popular. Na verdade, de acordo com o sistema internacional comum de classifica\u00e7\u00e3o e rotulagem de produtos qu\u00edmicos, entre todos os mais de 70 tipos de retardantes de chama bromados comerciais, apenas dois produtos TBBA (tetrabromobisfenol A) e HBCD (hexabromociclododecano) s\u00e3o claramente definidos como t\u00f3xicos e prejudiciais. E alguns retardantes de chama n\u00e3o hal\u00f3genos, como a grande maioria dos \u00e9steres de fosfato e alguns fosfatos e hipofosfatos, possuem o r\u00f3tulo de subst\u00e2ncias perigosas para o meio ambiente. Portanto, n\u00e3o h\u00e1 base cient\u00edfica para julgar se o produto \u00e9 ecologicamente correto por conter determinados elementos qu\u00edmicos.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Plastificantes retardantes de chama da mesma s\u00e9rie<\/strong><\/h2>\n<table style=\"border-collapse: collapse; width: 374.27pt;\" border=\"0\" width=\"499\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><a title=\"https:\/\/longchangchemical.com\/product\/cas-91082-17-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-91082-17-6\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae T-50<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">T-50; ASE<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 91082-17-6<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><a title=\"https:\/\/longchangchemical.com\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/acetyl-tributyl-citrate-cas-77-90-7\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae ATBC<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Citrato de acetil tributil<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 77-90-7<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><a title=\"https:\/\/longchangchemical.com\/product\/tributyl-citrate-tbc-cas-77-94-1\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tributyl-citrate-tbc-cas-77-94-1\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae TBC<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Citrato de tributil<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 77-94-1<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tcpp-cas-13674-84-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tcpp-cas-13674-84-5\/\">Lcflex\u00ae TCPP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">TCPP retardante de chamas<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 13674-84-5<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><a title=\"https:\/\/longchangchemical.com\/product\/dotp-cas-6422-86-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/dotp-cas-6422-86-2\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae DOTP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Tereftalato de dioctila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 6422-86-2<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/diethyl-phthalate-dep-cas-84-66-2\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/diethyl-phthalate-dep-cas-84-66-2\/\">Lcflex\u00ae DEP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Ftalato de dietila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 84-66-2<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/triethyl-citrate-cas-77-93-0\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/triethyl-citrate-cas-77-93-0\/\">Lcflex\u00ae TEC<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">citrato de trietila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 77-93-0<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/Lcflare-doa-cas-123-79-5\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflare-doa-cas-123-79-5\/\">Lcflex\u00ae DOA<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Adipato de dioctila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 123-79-5<\/td>\n<\/tr>\n<tr style=\"height: 30.00pt;\">\n<td class=\"et2\" style=\"height: 30.00pt; width: 96.00pt;\" width=\"128\" height=\"40\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/Lcflare-dos-cas-2432-87-3\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflare-dos-cas-2432-87-3\/\">Lcflex\u00ae DOS<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">\u00c9STER DI-N-OCTIL DO \u00c1CIDO SEB\u00c1CICO<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 2432-87-3<\/td>\n<\/tr>\n<tr style=\"height: 27.00pt;\">\n<td class=\"et2\" style=\"height: 27.00pt; width: 96.00pt;\" width=\"128\" height=\"36\"><a title=\"https:\/\/longchangchemical.com\/product\/cas-28553-12-0-685-15-48-0\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/cas-28553-12-0-685-15-48-0\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae DINP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Ftalato de diisononila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 28553-12-0\/685 15-48-0<\/td>\n<\/tr>\n<tr style=\"height: 21.00pt;\">\n<td class=\"et2\" style=\"height: 21.00pt; width: 96.00pt;\" width=\"128\" height=\"28\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/tmp-cas-77-99-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/tmp-cas-77-99-6\/\">Lcflex\u00ae TMP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Trimetilolpropano<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 77-99-6<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 96.00pt;\" width=\"128\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/triethyl-phosphate-tep-cas-78-40-0\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/triethyl-phosphate-tep-cas-78-40-0\/\">Lcflex\u00ae TEP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Fosfato de trietila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 78-40-0<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et4\" style=\"height: 13.50pt; width: 96.00pt;\" width=\"128\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflex-totm-cas-3319-31-1\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae TOTM<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Trioctil trimelato<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 3319-31-1<\/td>\n<\/tr>\n<tr style=\"height: 40.50pt;\">\n<td class=\"et4\" style=\"height: 40.50pt; width: 96.00pt;\" width=\"128\" height=\"54\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflex-bbp\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae BBP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Plastificantes de base biol\u00f3gica, Plastificante de alta efici\u00eancia<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\"><\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et4\" style=\"height: 13.50pt; width: 96.00pt;\" width=\"128\" height=\"18\"><a href=\"https:\/\/longchangchemical.com\/pt\/product\/tmp-cas-77-99-6\/\"><span style=\"color: #00ccff;\">Lcflex\u00ae TMP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Trimetilol propano<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 77-99-6<\/td>\n<\/tr>\n<tr style=\"height: 30.00pt;\">\n<td class=\"et2\" style=\"height: 30.00pt; width: 96.00pt;\" width=\"128\" height=\"40\"><a title=\"https:\/\/longchangchemical.com\/product\/sinopszr-tcep-cas-115-96-8\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/sinopszr-tcep-cas-115-96-8\/\"><span style=\"color: #00ccff;\">Lcflare\u00ae TCEP<\/span><\/a><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Fosfato de tris(2-cloroetil)<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 115-96-8<\/td>\n<\/tr>\n<tr style=\"height: 30.00pt;\">\n<td class=\"et2\" style=\"height: 30.00pt; width: 96.00pt;\" width=\"128\" height=\"40\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/Lcflare-bdp\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflare-bdp\/\">Lcflare\u00ae BDP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Bisfenol-A bis(difenil fosfato)<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 5945-33-5<\/td>\n<\/tr>\n<tr style=\"height: 13.50pt;\">\n<td class=\"et2\" style=\"height: 13.50pt; width: 96.00pt;\" width=\"128\" height=\"18\"><span style=\"color: #00ccff;\"><a style=\"color: #00ccff;\" title=\"https:\/\/longchangchemical.com\/product\/Lcflare-tpp-cas-115-86-6\/\" href=\"https:\/\/longchangchemical.com\/pt\/product\/Lcflare-tpp-cas-115-86-6\/\">Lcflare\u00ae TPP<\/a><\/span><\/td>\n<td class=\"et3\" style=\"width: 159.75pt;\" width=\"213\">Fosfato de trifenila<\/td>\n<td class=\"et3\" style=\"width: 118.50pt;\" width=\"158\">CAS 115-86-6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><\/h2>\n<h2><strong><b>Entre em contato conosco agora!<\/b><\/strong><\/h2>\n<h4><strong><b>Se precisar de COA, MSDS ou TDS, preencha suas informa\u00e7\u00f5es de contato no formul\u00e1rio abaixo. Normalmente, entraremos em contato em at\u00e9 24 horas.<\/b><\/strong> Voc\u00ea tamb\u00e9m pode me enviar um e-mail <a href=\"mailto:info@longchangchemical.com\"><span style=\"color: #0000ff;\">info@longchangchemical.com<\/span><\/a> durante o hor\u00e1rio comercial (das 8h30 \u00e0s 18h UTC+8 de segunda a s\u00e1bado) ou use o bate-papo ao vivo do site para obter uma resposta imediata.<\/h4>","protected":false},"excerpt":{"rendered":"<p>Princ\u00edpio do retardante de chamas, os principais tipos de retardante de chamas Os retardantes de chamas s\u00e3o usados para melhorar a resist\u00eancia \u00e0 chama dos materiais moleculares, aumentando o ponto de igni\u00e7\u00e3o dos materiais moleculares ou reduzindo a velocidade de queima dos materiais, aumentando assim o tempo de resgate, salvando vidas e reduzindo perdas. De acordo com a estrutura, os retardantes de chama podem ser divididos em [...]<\/p>","protected":false},"author":1,"featured_media":5513,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-5512","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-catalysts-chemical-auxiliary-agents"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flame retardant principle, the main types of flame retardant - Longchang Chemical<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/pt\/flame-retardant-principle\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flame retardant principle, the main types of flame retardant - Longchang Chemical\" \/>\n<meta property=\"og:description\" content=\"Flame retardant principle, the main types of flame retardant Flame retardants are used to improve the flame-resistance of molecular materials by increasing the ignition point of molecular materials or reducing the burning speed of materials, thus increasing the rescue time, saving lives and reducing losses. 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