{"id":1172,"date":"2025-04-27T09:47:29","date_gmt":"2025-04-27T09:47:29","guid":{"rendered":"https:\/\/ws-b9o6hg.wpkz.site\/?p=1172"},"modified":"2025-05-27T07:03:52","modified_gmt":"2025-05-27T07:03:52","slug":"environmentally-friendly-mmp-as-a-replacement-for-pma-part-1-evaporation-rate-comparison","status":"publish","type":"post","link":"https:\/\/www.prechems.com\/fr\/lab-reports\/environmentally-friendly-mmp-as-a-replacement-for-pma-part-1-evaporation-rate-comparison\/","title":{"rendered":"Un MMP respectueux de l'environnement pour remplacer le PMA (Partie 1) : Comparaison du taux d'\u00e9vaporation"},"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 class=\"wp-block-paragraph\">Cette \u00e9tude a \u00e9valu\u00e9 les taux d'\u00e9vaporation du MMP et du PMA dans trois sc\u00e9narios : solvants purs, solvants m\u00e9lang\u00e9s et solvants m\u00e9lang\u00e9s avec de la nitrocellulose. Les exp\u00e9riences ont valid\u00e9 les performances sup\u00e9rieures du MMP dans les applications de rev\u00eatement. Les principales propri\u00e9t\u00e9s physicochimiques sont compar\u00e9es ci-dessous :<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Propri\u00e9t\u00e9s physico-chimiques<\/strong><\/td><td><strong>MMP<\/strong><\/td><td><strong>PMA<\/strong><\/td><td><strong>BA<\/strong><\/td><\/tr><tr><td>Formule mol\u00e9culaire<\/td><td>C\u2085H\u2081\u2080O\u2083<\/td><td>C\u2086H\u2081\u2082O\u2083<\/td><td>C<sub>6<\/sub>H<sub>12<\/sub>O\u2082<\/td><\/tr><tr><td>Poids mol\u00e9culaire<\/td><td>118.13<\/td><td>132.16<\/td><td>116.16<\/td><\/tr><tr><td>No CAS<\/td><td>3852-09-3<\/td><td>108-65-6<\/td><td>123-86-4<\/td><\/tr><tr><td>Densit\u00e9 (g\/cm\u00b3)<\/td><td>1.010<\/td><td>0.96<\/td><td>0.88<\/td><\/tr><tr><td>Apparence<\/td><td>Liquide transparent incolore<\/td><td>Liquide transparent incolore<\/td><td>Liquide transparent incolore<\/td><\/tr><tr><td>Puret\u00e9 (%)<\/td><td>\u226599<\/td><td>\u226599<\/td><td>\u226599<\/td><\/tr><tr><td>Point d'\u00e9clair<br>(\u00b0C, gobelet ferm\u00e9)<\/td><td>47<\/td><td>47.9<\/td><td>22.2<\/td><\/tr><tr><td>Point d'\u00e9bullition (\u00b0C)<\/td><td>140-148<\/td><td>154.8<\/td><td>126.1<\/td><\/tr><tr><td>Indice de r\u00e9fraction<\/td><td>1.4005-1.4040<\/td><td>1.401-1.403<\/td><td>1.398<\/td><\/tr><\/tbody><\/table><\/figure>\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=\"728\" height=\"443\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-1.jpg\" alt=\"tech 1\" class=\"wp-image-1174\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-1.jpg 728w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-1-300x183.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 728px) 100vw, 728px\" \/><figcaption class=\"wp-element-caption\">Figure 1<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>1. Test du solvant pur<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trois flacons de verre contenant des masses \u00e9gales de MMP, de PMA et de BA ont \u00e9t\u00e9 plac\u00e9s \u00e0 l'ext\u00e9rieur sous la lumi\u00e8re du soleil.<\/li>\n\n\n\n<li>Des mesures de poids p\u00e9riodiques ont \u00e9t\u00e9 effectu\u00e9es pour calculer les taux de volatilit\u00e9.<\/li>\n\n\n\n<li>Comme le montre la figure 1, les courbes de volatilit\u00e9 de la MMP et de la PMA sont pratiquement identiques.<\/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=\"774\" height=\"442\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-2.jpg\" alt=\"tech 2\" class=\"wp-image-1175\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-2.jpg 774w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-2-300x171.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-2-18x10.jpg 18w\" sizes=\"auto, (max-width: 774px) 100vw, 774px\" \/><figcaption class=\"wp-element-caption\">Figure 2<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Essai de m\u00e9lange de solvants<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trois flacons ont \u00e9t\u00e9 pr\u00e9par\u00e9s avec la composition suivante : Ac\u00e9tate d'\u00e9thyle (15%), alcool isopropylique (10%), ac\u00e9tate de butyle (15%), cyclohexanone (10%), tolu\u00e8ne (35%) et MMP\/PMA\/BA (15%).<\/li>\n\n\n\n<li>Les \u00e9chantillons ont \u00e9t\u00e9 expos\u00e9s \u00e0 la lumi\u00e8re du soleil et la perte de poids a \u00e9t\u00e9 contr\u00f4l\u00e9e.<\/li>\n\n\n\n<li>La figure 2 confirme que la MMP et la PMA pr\u00e9sentent des taux de volatilit\u00e9 comparables dans les syst\u00e8mes de solvants m\u00e9lang\u00e9s.<\/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=\"729\" height=\"442\" src=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-3.jpg\" alt=\"tech 3\" class=\"wp-image-1176\" srcset=\"https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-3.jpg 729w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-3-300x182.jpg 300w, https:\/\/www.prechems.com\/wp-content\/uploads\/2025\/04\/tech-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 729px) 100vw, 729px\" \/><figcaption class=\"wp-element-caption\">Figure 3<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Essai de m\u00e9lange de solvants et de nitrocellulose<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les solvants m\u00e9lang\u00e9s ci-dessus ont \u00e9t\u00e9 m\u00e9lang\u00e9s \u00e0 la nitrocellulose dans une proportion de 1:1, dissous sous agitation et expos\u00e9s \u00e0 la lumi\u00e8re du soleil.<\/li>\n\n\n\n<li>Les mesures de poids ont r\u00e9v\u00e9l\u00e9 des taux de volatilit\u00e9 similaires pour la MMP et la PMA dans cette matrice, comme l'illustre la figure 3.<\/li>\n<\/ul>\n<\/div>\n <\/div><\/div>\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 class=\"wp-block-paragraph\">Les taux d'\u00e9vaporation du 3-m\u00e9thoxypropionate de m\u00e9thyle (MMP) et de l'ac\u00e9tate d'\u00e9ther m\u00e9thylique de propyl\u00e8ne glycol (PMA) ont \u00e9t\u00e9 test\u00e9s en utilisant l'ac\u00e9tate de butyle (BA) comme r\u00e9f\u00e9rence. Les donn\u00e9es exp\u00e9rimentales d\u00e9montrent que le MMP et le PMA pr\u00e9sentent des taux d'\u00e9vaporation comparables \u00e0 la fois sous forme de solvant pur et dans des syst\u00e8mes de dilution m\u00e9lang\u00e9s. Cela indique que le MMP poss\u00e8de des caract\u00e9ristiques d'\u00e9vaporation similaires \u00e0 celles du PMA dans les applications de peinture et de rev\u00eatement, ce qui confirme son potentiel en tant que substitut durable du PMA dans ces industries.<\/p>\n\n\n\n<h2 id=\"gspb_heading-id-gsbp-b2e31e1\" class=\"gspb_heading gspb_heading-id-gsbp-b2e31e1\"><strong>Contexte<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les solvants jouent un r\u00f4le essentiel dans les rev\u00eatements et les encres en dissolvant les r\u00e9sines, les pigments et les ingr\u00e9dients actifs, facilitant ainsi l'application et le transport. Cependant, l'\u00e9vaporation des solvants pendant la formation du film lib\u00e8re des compos\u00e9s organiques volatils (COV), ce qui contribue \u00e0 la pollution de l'environnement. Les r\u00e9glementations mondiales limitent de plus en plus les \u00e9missions de COV, ce qui stimule la demande de solvants ayant une meilleure efficacit\u00e9 de dissolution, une plus faible toxicit\u00e9 et un impact r\u00e9duit sur l'environnement.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les solvants oxyg\u00e9n\u00e9s tels que les \u00e9thers et esters de glycol combinent les propri\u00e9t\u00e9s de dissolution des \u00e9thers et des alcools\/esters, offrant ainsi une plus grande applicabilit\u00e9. Le PMA, un solvant \u00e9ther-ester largement utilis\u00e9, est un exemple de cette cat\u00e9gorie. Des progr\u00e8s r\u00e9cents ont permis d'identifier le 3-m\u00e9thoxypropionate de m\u00e9thyle (MMP) comme une alternative sup\u00e9rieure et durable au PMA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour plus d'informations sur les solvants fonctionnels, veuillez consulter le site :&nbsp;<a href=\"https:\/\/www.prechems.com\/fr\/products\/functional-solvents\/mmp-solvent\/\">PREC MMP Solvant<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>This study evaluated the evaporation rates of MMP and PMA under three scenarios: pure solvents, blended solvents, and blended solvents with nitrocellulose. The experiments validated MMP\u2019s superior performance in coating applications. Key physicochemical properties are compared below: Physicochemical Properties MMP PMA BA Molecular Formula C\u2085H\u2081\u2080O\u2083 C\u2086H\u2081\u2082O\u2083 C6H12O\u2082 Molecular Weight 118.13 132.16 116.16 CAS No. 3852-09-3 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1173,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Environmentally Friendly MMP as a Replacement for PMA (Part 1): Evaporation Rate Comparison\u200b","_seopress_titles_desc":"This study evaluated the evaporation rates of MMP and PMA under three scenarios: pure solvents, blended solvents, and blended solvents with nitrocellulose.","_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%}}","footnotes":""},"categories":[14],"tags":[],"class_list":["post-1172","post","type-post","status-publish","format-standard","has-post-thumbnail","category-lab-reports"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/posts\/1172","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=1172"}],"version-history":[{"count":0,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/posts\/1172\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/media\/1173"}],"wp:attachment":[{"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/media?parent=1172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/categories?post=1172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prechems.com\/fr\/wp-json\/wp\/v2\/tags?post=1172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}