{"id":2126,"date":"2026-03-09T14:53:34","date_gmt":"2026-03-09T06:53:34","guid":{"rendered":"https:\/\/asparticresin.com\/?p=2126"},"modified":"2026-03-09T14:53:56","modified_gmt":"2026-03-09T06:53:56","slug":"technical-research-on-polyaspartic-for-low-voc-solvent-free-eco-friendly-systems","status":"publish","type":"post","link":"https:\/\/asparticresin.com\/de\/technical-research-on-polyaspartic-for-low-voc-solvent-free-eco-friendly-systems\/","title":{"rendered":"Technische Forschung zu Polyaspartic f\u00fcr VOC-arme \/ l\u00f6sungsmittelfreie umweltfreundliche Systeme"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Low-VOC and solvent-free polyaspartic systems are a major R&amp;D focus. Completely eliminating solvents addresses VOC emissions at the source, while maintaining ultra-fast curing and high weather resistance. Recent breakthroughs\u2014and the move toward industrial-scale production\u2014set solvent-free polyaspartics apart from conventional epoxies, polyurethanes, and acrylics.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Technical Comparison: Solvent-Based vs. Solvent-Free Polyaspartic<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Item<\/strong><strong><\/strong><\/td><td><strong>Conventional solvent-based system<\/strong><strong><\/strong><\/td><td><strong>Solvent-free polyaspartic (2025 technology)<\/strong><\/td><\/tr><tr><td>System characteristics<\/td><td>Solvent-based traditional solution<\/td><td>Solvent-free polyaspartic (2025 technology)<\/td><\/tr><tr><td>VOC content<\/td><td>300\u2013500 g\/L<\/td><td>&lt; 5 g\/L (near-zero)<\/td><\/tr><tr><td>Solids content<\/td><td>40\u201360%<\/td><td>99\u2013100%<\/td><\/tr><tr><td>Curing mechanism<\/td><td>Solvent evaporation + chemical crosslinking<\/td><td>Pure chemical crosslinking (\u2013NCO\/\u2013NH reaction)<\/td><\/tr><tr><td>Application method<\/td><td>Conventional spraying<\/td><td>High-temperature, high-pressure spraying (HPP\/HVLP)<\/td><\/tr><tr><td>Waste disposal<\/td><td>Hazardous waste (contains organic solvents)<\/td><td>Non-hazardous waste (physically recyclable)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"ProductGroup\",\n  \"name\": \"System Comparison: Conventional Solvent-Based vs Solvent-Free Polyaspartic Polyurea (2025)\",\n  \"description\": \"Benchmark comparison table of VOC, solids, curing mechanism, application method, and waste disposal.\",\n  \"hasVariant\": [\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Conventional solvent-based system\",\n      \"additionalProperty\": [\n        { \"@type\": \"PropertyValue\", \"name\": \"System characteristics\", \"value\": \"Solvent-based traditional solution\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"VOC content\", \"value\": \"300\u2013500\", \"unitText\": \"g\/L\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Solids content\", \"value\": \"40\u201360\", \"unitText\": \"%\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Curing mechanism\", \"value\": \"Solvent evaporation + chemical crosslinking\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Application method\", \"value\": \"Conventional spraying\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Waste disposal\", \"value\": \"Hazardous waste (contains organic solvents)\" }\n      ]\n    },\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Solvent-free polyaspartic polyurea (2025 technology)\",\n      \"additionalProperty\": [\n        { \"@type\": \"PropertyValue\", \"name\": \"System characteristics\", \"value\": \"Solvent-free polyaspartic polyurea (2025 technology)\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"VOC content\", \"value\": \"< 5\", \"unitText\": \"g\/L\", \"description\": \"near-zero\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Solids content\", \"value\": \"99\u2013100\", \"unitText\": \"%\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Curing mechanism\", \"value\": \"Pure chemical crosslinking (\u2013NCO\/\u2013NH reaction)\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Application method\", \"value\": \"High-temperature, high-pressure spraying (HPP\/HVLP)\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Waste disposal\", \"value\": \"Non-hazardous waste (physically recyclable)\" }\n      ]\n    }\n  ]\n}\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">Key Breakthroughs in Low-VOC\/Solvent-Free Polyaspartic Technology<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Ultra-Low Viscosity Resin Design<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Molecular structure innovation: Introducing long-chain aliphatic diamines (e.g., BASF\u2019s DEDA\u00ae) reduces molecular entanglement.<br>Side-chain pendants: Grafting glycidyl methacrylate (GMA) can reduce viscosity to &lt;800 mPa\u00b7s (25\u00b0C).<br>Industrial application: Viscosity of 450 mPa\u00b7s enables pump-free self-leveling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Precision Control of Reactivity<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Delayed catalysis technology: Encapsulated catalysts (e.g., microencapsulated DBTL) release at 60\u00b0C.<br>Initial \u2192 Amine catalyst \u2192 Tack-free in 5 min \u2192 Latent activation of metal catalyst \u2192 Full cure in 30 min<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. High-Performance Solvent Replacement Strategies<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type<\/strong><strong><\/strong><\/td><td><strong>Representative Material<\/strong><strong><\/strong><\/td><td><strong>Environmental Performance<\/strong><strong><\/strong><\/td><td><strong>Functional Limitation<\/strong><strong><\/strong><\/td><\/tr><tr><td>Reactive diluent<\/td><td>Propylene carbonate (PC)<\/td><td>Can participate in reaction (100% solids)<\/td><td>Lowers hardness (requires nano-reinforcement)<\/td><\/tr><tr><td>Bio-based plasticizer<\/td><td>Acetyl tributyl citrate<\/td><td>Non-toxic, biodegradable<\/td><td>Heat resistance &lt; 80 \u00b0C<\/td><\/tr><tr><td>Hyperbranched polymer<\/td><td>Boltorn\u2122 H2004<\/td><td>Reduces viscosity while improving adhesion<\/td><td>Cost increases by 40%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": 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Protection<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Performance Index<\/strong><strong><\/strong><\/td><td><strong>Solvent-Based Polyaspartic<\/strong><strong><\/strong><\/td><td><strong>Solvent-Free Polyaspartic<\/strong><strong><\/strong><\/td><\/tr><tr><td>Tensile strength (MPa)<\/td><td>18\u201322<\/td><td><strong>20\u201325<\/strong><\/td><\/tr><tr><td>Elongation at break (%)<\/td><td>250\u2013350<\/td><td><strong>280\u2013400<\/strong><\/td><\/tr><tr><td>Chemical resistance<\/td><td>Resistant to 10% H\u2082SO\u2084 (30 days)<\/td><td><strong>Resistant to 30% H\u2082SO\u2084 (60 days)<\/strong><\/td><\/tr><tr><td>Adhesion (to concrete)<\/td><td>3.5 MPa<\/td><td><strong>5.0 MPa (enhanced penetration)<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"ProductGroup\",\n  \"name\": \"Performance Benchmark: Solvent-Based vs Solvent-Free Polyaspartic Polyurea\",\n  \"hasVariant\": [\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Solvent-Based Polyaspartic Polyurea\",\n      \"additionalProperty\": [\n        { \"@type\": \"PropertyValue\", \"name\": \"Tensile strength\", \"value\": \"18\u201322\", \"unitText\": \"MPa\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Elongation at break\", \"value\": \"250\u2013350\", \"unitText\": \"%\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Chemical resistance\", \"value\": \"Resistant to 10% H2SO4 (30 days)\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Adhesion (to concrete)\", \"value\": \"3.5\", \"unitText\": \"MPa\" }\n      ]\n    },\n    {\n      \"@type\": \"Product\",\n      \"name\": \"Solvent-Free Polyaspartic Polyurea\",\n      \"additionalProperty\": [\n        { \"@type\": \"PropertyValue\", \"name\": \"Tensile strength\", \"value\": \"20\u201325\", \"unitText\": \"MPa\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Elongation at break\", \"value\": \"280\u2013400\", \"unitText\": \"%\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Chemical resistance\", \"value\": \"Resistant to 30% H2SO4 (60 days)\" },\n        { \"@type\": \"PropertyValue\", \"name\": \"Adhesion (to concrete)\", \"value\": \"5.0\", \"unitText\": \"MPa\", \"description\": \"enhanced penetration\" }\n      ]\n    }\n  ]\n}\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\">Note: Adding 0.5% nano-silica (Aerosil\u00ae R812) can reduce Taber abrasion loss to 16 mg, outperforming solvent-based polyaspartic (25 mg).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Industrial Application Scenarios<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Underground Pipeline Corrosion Protection<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Solution: Solvent-free polyaspartic (primer + topcoat; total film thickness 1.2 mm).<br>Benefits: 98% VOC reduction (meets GB 30981-2020 strict grade); maintenance cycle extended from 5 to 15 years.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Battery Enclosure Encapsulation (EV \/ Energy Storage)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Innovative formulation:<br>Resin: Bio-based PAE<br>Curing agent: Solvent-free HDI trimer<br>Additives: Boron nitride thermally conductive filler (12 W\/m\u00b7K)<br>Advantages: UL 94 V-0 flame retardancy; electrolyte-resistant (LiPF\u2086).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Interior Surfaces of Food Processing Tanks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Certifications:<br>FDA 21 CFR 175.300 (direct food contact)<br>NSF\/ANSI 61 drinking water safety certification<br>Application breakthrough: Low-temperature application at 5\u00b0C was achieved using plural-component spray equipment (Graco Reactor E-XP2).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frontier Technologies<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Self-Healing Solvent-Free System<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mechanism: Embedded microencapsulated sebacic acid (healing agent) + tin catalyst<br>Effect: Scratches &lt;200 \u03bcm can self-heal (60\u00b0C \/ 2 h)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. UV-Assisted Dual-Cure (Hybrid Cure) Technology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Structure design: PAE end-grafted with methacrylate groups and the photoinitiator TPO<br>Process:<br>UV pre-curing (10 s) \u2192 Moisture secondary curing (24 h)<br>Application: 3D printing complex components (interlayer bond strength &gt;8 MPa)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Carbon Capture Feedstock Application<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Technology path: Industrial CO\u2082 + epoxidized soybean oil \u2192 cyclic carbonate \u2192 ammonolysis to produce PAE<br>Environmental value: LCA indicates net carbon sequestration of ~0.28 t carbon per t of resin (system boundary dependent).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Risk Mitigation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Avoid application in environments with RH &gt; 85%. Consider desiccants (e.g., molecular sieves) when RH &gt; 85%.<br>Bio-based PAEs require pre-dehydration (moisture content \u2264 0.03%).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Feiyang Protech has been specializing in the production of raw materials for polyaspartic coatings for 30 years and can provide polyaspartic resins, hardeners and coating formulations. Feel free to contact us:\u00a0<strong><a href=\"mailto:marketing@feiyang.com.cn\">marketing@feiyang.com.cn<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Our products list:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><u><a href=\"https:\/\/asparticresin.com\/product\/polyaspartic-resin-feispartic-series\/\" target=\"_blank\" rel=\"noreferrer noopener\">Polyaspartic Resin<\/a><\/u><\/strong><\/li>\n\n\n\n<li><strong><u><a href=\"https:\/\/asparticresin.com\/product\/elastic-hardener-feicure-series\/\" target=\"_blank\" rel=\"noreferrer noopener\">Isocyanate Hardener<\/a><\/u><\/strong><\/li>\n\n\n\n<li><strong><a href=\"https:\/\/asparticresin.com\/product\/epoxy-hardener\/\" target=\"_blank\" rel=\"noreferrer noopener\">Epoxy Hardener<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contact our technical team today to explore how Feiyang Protech\u2019s advanced polyaspartic solutions can transform your coatings strategy. <a href=\"https:\/\/asparticresin.com\/contact\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Contact our Tech Team<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>VOC-arme und l\u00f6sungsmittelfreie Polyaspartic-Systeme sind ein wichtiger F&amp;E-Schwerpunkt. Der vollst\u00e4ndige Verzicht auf L\u00f6sungsmittel betrifft die VOC-Emissionen auf der...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-2126","post","type-post","status-publish","format-standard","hentry","category-knowledge"],"acf":[],"taxonomy_info":{"category":[{"value":12,"label":"Knowledge"}]},"featured_image_src_large":false,"author_info":{"display_name":"yang","author_link":"https:\/\/asparticresin.com\/de\/author\/yang\/"},"comment_info":0,"category_info":[{"term_id":12,"name":"Knowledge","slug":"knowledge","term_group":0,"term_taxonomy_id":12,"taxonomy":"category","description":"","parent":0,"count":62,"filter":"raw","cat_ID":12,"category_count":62,"category_description":"","cat_name":"Knowledge","category_nicename":"knowledge","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/posts\/2126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/comments?post=2126"}],"version-history":[{"count":0,"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/posts\/2126\/revisions"}],"wp:attachment":[{"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/media?parent=2126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/categories?post=2126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asparticresin.com\/de\/wp-json\/wp\/v2\/tags?post=2126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}