{"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\/fr\/lab-reports\/prec-investigates-acrylic-resin-solubility-in-different-solvents\/","title":{"rendered":"Le PREC \u00e9tudie la solubilit\u00e9 de la r\u00e9sine acrylique dans diff\u00e9rents solvants"},"content":{"rendered":"<h2 id=\"gspb_heading-id-gsbp-58cd720\" class=\"gspb_heading gspb_heading-id-gsbp-58cd720\"><strong>Conception exp\u00e9rimentale<\/strong><\/h2>\n\n\n\n<p>La viscosit\u00e9 rotationnelle \u00e0 25\u00b0C a \u00e9t\u00e9 utilis\u00e9e pour comparer le pouvoir dissolvant de cinq solvants pour la r\u00e9sine acrylique en fonction de la teneur en solides et de la temp\u00e9rature.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Plage de temp\u00e9rature : 15-65\u00b0C par incr\u00e9ments de 10\u00b0C<\/li>\n\n\n\n<li>Contenu solide : 10-70% par incr\u00e9ments de 10%<\/li>\n\n\n\n<li>Temps de dissolution (2h) et masse (104g) constants<\/li>\n<\/ul>\n\n\n\n<p>Par souci de clart\u00e9, les solvants mentionn\u00e9s dans cette \u00e9tude sont abr\u00e9g\u00e9s comme suit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EEP : Propionate de 3 \u00e9thoxy\u00e9thyle<\/li>\n\n\n\n<li>MMP : Propionate de 3-m\u00e9thoxypropyle<\/li>\n\n\n\n<li>MAK : 2-Heptanone (M\u00e9thyl Amyl C\u00e9tone)<\/li>\n\n\n\n<li>BA : Ac\u00e9tate de butyle<\/li>\n\n\n\n<li>PMA : ac\u00e9tate d'\u00e9ther m\u00e9thylique de propyl\u00e8ne glycol<\/li>\n<\/ul>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-e112bf9\" class=\"gspb_heading gspb_heading-id-gsbp-e112bf9\"><strong><strong>Analyse des donn\u00e9es<\/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 fr 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\">A 10% de contenu solide :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BA a montr\u00e9 des performances inf\u00e9rieures<\/li>\n\n\n\n<li>En dessous de 35\u00b0C : Dissolution compl\u00e8te uniquement dans MMP\/EEP<\/li>\n\n\n\n<li>35-65\u00b0C : Performance similaire pour 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 contenu solide :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La BA est rest\u00e9e la plus faible<\/li>\n\n\n\n<li>La MMP a montr\u00e9 une viscosit\u00e9 l\u00e9g\u00e8rement plus \u00e9lev\u00e9e \u00e0 55\u00b0C<\/li>\n\n\n\n<li>D'autres solvants ont pr\u00e9sent\u00e9 des performances presque identiques<\/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\">A 30% contenu solide :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Au-dessus de 45\u00b0C : MAK a montr\u00e9 la plus forte capacit\u00e9 de dissolution<\/li>\n\n\n\n<li>En dessous de 60\u00b0C : MMP &gt; EEP &gt; PMA<\/li>\n\n\n\n<li>A 65\u00b0C : EEP\u2248MMP (l\u00e9g\u00e8rement inf\u00e9rieur \u00e0 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\">A 40% de contenu solide :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Classement de la capacit\u00e9 de dissolution : MAK &gt; EEP &gt; MMP &gt; PMA &gt; BA<\/li>\n\n\n\n<li>Dissolution compl\u00e8te \u00e0 partir de 45\u00b0C (MAK\/EEP\/MMP) et 55\u00b0C (PMA\/BA)<\/li>\n<\/ul>\n<\/div>\n <\/div><\/div>\n\n\n\n<p>\u00c0 des teneurs en solides de 50% et plus, la r\u00e9sine acrylique n'a pu \u00eatre enti\u00e8rement dissoute dans aucun des cinq solvants.<\/p>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-17e3c96\" class=\"gspb_heading gspb_heading-id-gsbp-17e3c96\"><strong>Conclusions exp\u00e9rimentales<\/strong><\/h2>\n\n\n\n<p>Cinq solvants ont \u00e9t\u00e9 test\u00e9s pour leur capacit\u00e9 \u00e0 dissoudre la r\u00e9sine acrylique. Les principaux r\u00e9sultats sont les suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c0 une teneur en solides de r\u00e9sine &gt;10%, le MAK a d\u00e9montr\u00e9 le plus fort pouvoir de dissolution, tandis que le BA \u00e9tait le plus faible.<\/li>\n\n\n\n<li>Pour une teneur en mati\u00e8re solide de 10-20% : MMP, EEP et PMA ont montr\u00e9 des capacit\u00e9s de dissolution similaires.<\/li>\n\n\n\n<li>A 30-50% de teneur en mati\u00e8re solide, EEP et MMP sont plus performants que PMA : EEP et MMP plus performants que PMA<\/li>\n<\/ul>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-b2e31e1\" class=\"gspb_heading gspb_heading-id-gsbp-b2e31e1\">Aper\u00e7u technique<\/h2>\n\n\n\n<p>La capacit\u00e9 du solvant \u00e0 dissoudre la r\u00e9sine peut \u00eatre exprim\u00e9e intuitivement par la viscosit\u00e9 du syst\u00e8me.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Solubilit\u00e9 plus faible \u2192 agr\u00e9gation mol\u00e9culaire plus forte \u2192 viscosit\u00e9 plus \u00e9lev\u00e9e<\/li>\n\n\n\n<li>Solubilit\u00e9 plus \u00e9lev\u00e9e \u2192 viscosit\u00e9 plus faible<\/li>\n<\/ul>\n\n\n\n<p>Pour plus d'informations sur les solvants fonctionnels, veuillez consulter le site : <a href=\"https:\/\/www.prechems.com\/fr\/products\/functional-solvents\/eep-solvent\/\" data-type=\"wpkj_product\" data-id=\"14\">Solvant PREC EEP<\/a> et <a href=\"https:\/\/www.prechems.com\/fr\/products\/functional-solvents\/mmp-solvent\/\" data-type=\"wpkj_product\" data-id=\"453\">PREC MMP Solvant<\/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\/fr\/wp-json\/wp\/v2\/posts\/1139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/comments?post=1139"}],"version-history":[{"count":0,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/posts\/1139\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/media\/1212"}],"wp:attachment":[{"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/media?parent=1139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/categories?post=1139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/tags?post=1139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}