{"id":1139,"date":"2025-03-25T09:28:03","date_gmt":"2025-03-25T09:28:03","guid":{"rendered":"https:\/\/ws-b9o6hg.wpkz.site\/?p=1139"},"modified":"2025-05-27T07:04:26","modified_gmt":"2025-05-27T07:04:26","slug":"prec-investigates-acrylic-resin-solubility-in-different-solvents","status":"publish","type":"post","link":"https:\/\/www.prechems.com\/pt\/lab-reports\/prec-investigates-acrylic-resin-solubility-in-different-solvents\/","title":{"rendered":"PREC investiga a solubilidade da resina acr\u00edlica em diferentes solventes"},"content":{"rendered":"<h2 id=\"gspb_heading-id-gsbp-58cd720\" class=\"gspb_heading gspb_heading-id-gsbp-58cd720\"><strong>Conce\u00e7\u00e3o experimental<\/strong><\/h2>\n\n\n\n<p>A viscosidade rotacional a 25\u00b0C foi utilizada para comparar o poder de dissolu\u00e7\u00e3o de cinco solventes para a resina acr\u00edlica sob diferentes teores de s\u00f3lidos e temperaturas.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gama de temperaturas: 15-65\u00b0C em incrementos de 10\u00b0C<\/li>\n\n\n\n<li>Conte\u00fado s\u00f3lido: 10-70% em incrementos de 10%<\/li>\n\n\n\n<li>Tempo de dissolu\u00e7\u00e3o constante (2h) e massa (104g)<\/li>\n<\/ul>\n\n\n\n<p>Para maior clareza, os solventes referidos neste estudo s\u00e3o abreviados da seguinte forma:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EEP: Propionato de 3-etoxietilo<\/li>\n\n\n\n<li>MMP: Propionato de 3-metoxipropilo<\/li>\n\n\n\n<li>MAK: 2-Heptanona (Metil Amil Cetona)<\/li>\n\n\n\n<li>BA: Acetato de butilo<\/li>\n\n\n\n<li>PMA: Acetato de \u00e9ter met\u00edlico de propilenoglicol<\/li>\n<\/ul>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-e112bf9\" class=\"gspb_heading gspb_heading-id-gsbp-e112bf9\"><strong><strong>An\u00e1lise de dados<\/strong><\/strong><\/h2>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-699f96c\" id=\"gspb_row-id-gsbp-699f96c\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-aa8dd06\" id=\"gspb_col-id-gsbp-aa8dd06\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"766\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-1.jpg\" alt=\"tech en 1\" class=\"wp-image-1142\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-1.jpg 1000w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-1-300x230.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-1-16x12.jpg 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Com um teor de s\u00f3lidos de 10%:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BA apresentou um desempenho inferior<\/li>\n\n\n\n<li>Abaixo de 35\u00b0C: Dissolu\u00e7\u00e3o completa apenas em MMP\/EEP<\/li>\n\n\n\n<li>35-65\u00b0C: Desempenho semelhante para PMA\/MAK\/MMP\/EEP<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-b17bace\" id=\"gspb_col-id-gsbp-b17bace\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"766\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-2.jpg\" alt=\"tech en 2\" class=\"wp-image-1143\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-2.jpg 1000w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-2-300x230.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-2-16x12.jpg 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">A 20% de teor de s\u00f3lidos:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BA continua a ser o mais fraco<\/li>\n\n\n\n<li>O MMP apresentou uma viscosidade ligeiramente superior a 55\u00b0C<\/li>\n\n\n\n<li>Outros solventes apresentaram um desempenho quase id\u00eantico<\/li>\n<\/ul>\n<\/div>\n <\/div><\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row gspb_row gspb_row-id-gsbp-aaf8994\" id=\"gspb_row-id-gsbp-aaf8994\"><div class=\"gspb_row__content\"> \n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-a6d7c85\" id=\"gspb_col-id-gsbp-a6d7c85\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"766\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-3.jpg\" alt=\"tech en 3\" class=\"wp-image-1144\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-3.jpg 1000w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-3-300x230.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-3-16x12.jpg 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">No conte\u00fado s\u00f3lido 30%:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acima de 45\u00b0C: MAK mostrou a capacidade de dissolu\u00e7\u00e3o mais forte<\/li>\n\n\n\n<li>Abaixo de 60\u00b0C: MMP &gt; EEP &gt; PMA<\/li>\n\n\n\n<li>A 65\u00b0C: EEP\u2248MMP (ligeiramente inferior a PMA)<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-greenshift-blocks-row-column gspb_row__col--6 gspb_col-id-gsbp-b2350c1\" id=\"gspb_col-id-gsbp-b2350c1\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"766\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-4.jpg\" alt=\"tech en 4\" class=\"wp-image-1145\" style=\"width:578px;height:auto\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-4.jpg 1000w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-4-300x230.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/03\/tech-en-4-16x12.jpg 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center\">Com um teor de s\u00f3lidos de 40%:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Classifica\u00e7\u00e3o da capacidade de dissolu\u00e7\u00e3o: MAK &gt; EEP &gt; MMP &gt; PMA &gt; BA<\/li>\n\n\n\n<li>Dissolu\u00e7\u00e3o completa alcan\u00e7ada acima de 45\u00b0C (MAK\/EEP\/MMP) e 55\u00b0C (PMA\/BA)<\/li>\n<\/ul>\n<\/div>\n <\/div><\/div>\n\n\n\n<p>Com teores s\u00f3lidos de 50% e superiores, a resina acr\u00edlica n\u00e3o podia ser totalmente dissolvida em nenhum dos cinco solventes.<\/p>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-17e3c96\" class=\"gspb_heading gspb_heading-id-gsbp-17e3c96\"><strong>Conclus\u00f5es experimentais<\/strong><\/h2>\n\n\n\n<p>Cinco solventes foram testados quanto \u00e0 sua capacidade de dissolver a resina acr\u00edlica. Os principais resultados mostraram:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Com um teor de s\u00f3lidos de resina &gt;10%, o MAK demonstrou o poder de dissolu\u00e7\u00e3o mais forte, enquanto o BA foi o mais fraco<\/li>\n\n\n\n<li>Para o teor de s\u00f3lidos 10-20%: MMP, EEP e PMA apresentaram capacidades de dissolu\u00e7\u00e3o semelhantes<\/li>\n\n\n\n<li>Com um teor de s\u00f3lidos de 30-50%: A EEP e a MMP tiveram um desempenho superior \u00e0 PMA<\/li>\n<\/ul>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-b2e31e1\" class=\"gspb_heading gspb_heading-id-gsbp-b2e31e1\">Informa\u00e7\u00f5es t\u00e9cnicas<\/h2>\n\n\n\n<p>A capacidade do solvente para dissolver a resina pode ser intuitivamente expressa pela viscosidade do sistema.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Menor solubilidade \u2192 maior agrega\u00e7\u00e3o molecular \u2192 maior viscosidade<\/li>\n\n\n\n<li>Maior solubilidade \u2192 menor viscosidade<\/li>\n<\/ul>\n\n\n\n<p>Para mais informa\u00e7\u00f5es sobre solventes funcionais, visite: <a href=\"https:\/\/www.prechems.com\/pt\/products\/functional-solvents\/eep-solvent\/\" data-type=\"wpkj_product\" data-id=\"14\">Solvente PREC EEP<\/a> e <a href=\"https:\/\/www.prechems.com\/pt\/products\/functional-solvents\/mmp-solvent\/\" data-type=\"wpkj_product\" data-id=\"453\">Solvente PREC MMP<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Rotational viscosity at 25\u00b0C was used to compare the dissolving power of five solvents for acrylic resin under varying solid contents and temperatures. For clarity, the solvents referenced in this study are abbreviated as follows: At solid contents of 50% and above, acrylic resin could not be fully dissolved in any of the five solvents. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1212,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"This experiment compared the dissolving power of five solvents\u2014PMA, EEP, MMP, BA, and MAK\u2014for acrylic resin.","_seopress_robots_index":"","_gspb_post_css":"#gspb_row-id-gsbp-699f96c,#gspb_row-id-gsbp-aaf8994{justify-content:space-between;margin-top:0;margin-bottom:0;display:flex;flex-wrap:wrap}#gspb_row-id-gsbp-699f96c>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}.gspb_row{position:relative}div[id^=gspb_col-id]{box-sizing:border-box;position:relative;padding:var(--gs-row-column-padding, 15px min(3vw, 20px))}#gspb_col-id-gsbp-aa8dd06.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-aa8dd06.gspb_row__col--6{width:100%}}#gspb_col-id-gsbp-b17bace.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-b17bace.gspb_row__col--6{width:100%}}#gspb_row-id-gsbp-aaf8994>.gspb_row__content{display:flex;justify-content:space-between;margin:0 auto;width:100%;flex-wrap:wrap}body.gspb-bodyfront #gspb_row-id-gsbp-699f96c>.gspb_row__content,body.gspb-bodyfront #gspb_row-id-gsbp-aaf8994>.gspb_row__content{width:var(--theme-container-width, 1200px);max-width:var(--theme-normal-container-max-width, 1200px)}#gspb_col-id-gsbp-a6d7c85.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-a6d7c85.gspb_row__col--6{width:100%}}#gspb_col-id-gsbp-b2350c1.gspb_row__col--6{width:50%}@media (max-width:575.98px){#gspb_col-id-gsbp-b2350c1.gspb_row__col--6{width:100%}}","footnotes":""},"categories":[14],"tags":[],"class_list":{"0":"post-1139","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-lab-reports"},"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/posts\/1139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/comments?post=1139"}],"version-history":[{"count":0,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/posts\/1139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/media\/1212"}],"wp:attachment":[{"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/media?parent=1139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/categories?post=1139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prechems.com\/pt\/wp-json\/wp\/v2\/tags?post=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}