{"id":6155,"date":"2025-02-12T15:18:51","date_gmt":"2025-02-12T15:18:51","guid":{"rendered":"https:\/\/ikv-aachen.de\/?page_id=6155"},"modified":"2025-02-17T12:38:08","modified_gmt":"2025-02-17T12:38:08","slug":"successful-technology-consulting-for-a-start-up-2","status":"publish","type":"page","link":"https:\/\/ikv-aachen.de\/en\/consulting-and-technology-transfer\/successful-technology-consulting-for-a-start-up-2\/","title":{"rendered":"Development of a recyclable, paper-like film"},"content":{"rendered":"<style type=\"text\/css\">\n    #page-headers-block_49a85531a61cd5a29b37516feffd9bf2  {\n        --gradientbackground: #00af69;\n        --gradientbackground: #00af69;\n        --gradientBackgroundLight: hsl(from #00af69 h calc(s * 0.8) calc(l * 1.3));\n        --gradientBackgroundLight2: hsl(from #00af69 h s calc(l * 1.5));\n            }\n<\/style>\n<section id=\"page-headers-block_49a85531a61cd5a29b37516feffd9bf2\" class=\" hyphens-auto  mb-base  md:mb-xl \">\n                <header class=\"theGrid14 grid-rows-auto-s-s overflow-hidden relative bg-white\">\n            <figure class=\"absolute col-span-all row-span-all w-full  opacity-40 blur-md scale-110 overflow-hidden pointer-events-none \"><img decoding=\"async\"  class=\"order-1 w-full h-full object-cover\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie.jpg 1800w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-748x499.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-1536x1024.jpg 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-768x512.jpg 768w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" width=\"1800\" height=\"1200\" alt=\"Paperlike Folie\" loading=\"lazy\" \/><\/figure>            <h1 data-left class=\"py-base  col-span-12 col-start-2 row-start-1 self-end md:col-span-6 md:col-start-2 z-10\">\n                <span class=\"text-blue pt-xs ikv-condensed block hyphens-none text-balance text-3xl font-bold pb-xs leading-none md:text-rigth\">\n                    Best practice: Development of a recyclable, paper-like film                <\/span>\n                                    <span class=\"text-blue block hyphens-none text-balance font-serif text-base font-semibold md:text-rigth\">\n                        Combination of blown film and foam extrusion                    <\/span>\n                            <\/h1>\n            <figure class=\" contents \"><img decoding=\"async\"  class=\"col-span-full md:col-span-6 md:row-span-3 w-full h-full object-cover z-10\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie.jpg 1800w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-748x499.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-1536x1024.jpg 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-768x512.jpg 768w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" width=\"1800\" height=\"1200\" alt=\"Paperlike Folie\" loading=\"lazy\" \/><span class=\"text-blue md:pb-xs text-copyright col-start-2  col-span-3 row-span-1 row-start-3 pb-4 md:col-span-5 md:col-start-3 md:row-start-3 md:text-right xl:col-span-4 xl:col-start-4 xl:row-start-3 z-10\">&copy; IKV<\/span><figcaption class=\"text-blue  text-figcaption col-span-9 row-span-1 row-start-3 text-right sm:col-span-8 sm:col-start-6 md:col-span-5 md:col-start-3 md:row-start-2 xl:col-span-4 xl:col-start-4 xl:row-start-2 mt-0 pb-xs md:pb-0 z-10\">Entwicklung einer Folie mit einer Dichte unter 1 g\/cm\u00b3, um die Recyclingf\u00e4higkeit zu verbessern, ohne die mechanischen Eigenschaften wesentlich zu beeintr\u00e4chtigen<\/figcaption><\/figure>        <\/header>\n    \n                <\/section><section id=\"two-columns-block_91b10b84c59bc76f40511c22cc17d9ac\" class=\"block-two-columns blocksection \">\n    <div class=\"theGridWrapper\">\n        <div class=\"theGrid12\">\n            <div class=\"wysiwyg\n            relative\n\n            col-start-1\n            col-span-12\n\n            md:col-start-3\n            md:col-span-9\n            md:gap-8\n\n            lg:col-start-3\n            lg:col-span-8\n\n            2xl:col-start-2\n            2xl:col-span-9\n\n            2xl:gap-[7rem]\n\n            sm:columns-2\n            hyphens-auto add-versal\n            sm:after:content-['\\00A0']\n            sm:after:block\n            sm:after:h-3xl\n            \">\n                <p data-pm-slice=\"1 1 []\">Flexible plastic packaging is often made of polyolefins. These materials are increasingly being filled with high proportions of calcium carbonate to produce so-called &#8220;paper-like films&#8221;. These films offer ecological and functional advantages, as they save fossil raw materials, have a natural look and improved printability and are similar in feel to paper. They are mainly used in the packaging of fresh produce, butter and margarine as well as for labels and carrier bags.<\/p>\n<p>A key problem with these highly filled films is their increased density of over 1 g\/cm\u00b3, which means that they cannot be recognized as polyolefins in the sink-float process and therefore cannot be returned to the plastics cycle. As this sorting process is based on density separation, highly filled films sink and are not identified as recyclable plastics.<\/p>\n<p>A process combination of blown film and foam extrusion could be a solution to reduce the density of the film without compromising its desired mechanical properties too much.<\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/section><section id=\"toc-block_282840d5de82cfee505befdfd2e23f9c\" class=\"   py-xl  \">\n    <div class=\"theGridWrapper \">\n        <nav class=\"theGrid12 \">\n            <div class=\"relative\n            col-start-1 col-span-12\n            md:col-start-2 md:col-span-10\n            sm:before:block sm:before:bg-blue before:h-[1px] before:w-full before:absolute before:translate-y-[1.3em] before:-z-10\">\n                <h3 class=\"font-serif text-blue text-xl font-semibold sm:text-center\">\n                    <span class=\"inline-block bg-white sm:px-base\">\n                        Projektdetails                    <\/span>\n                <\/h3>\n            <\/div>\n            <ul class=\"\n            col-start-1 col-span-12\n            sm:columns-2\n            md:col-start-2 md:col-span-10\n            md:columns-3\n            lg:col-start-3 lg:col-span-8\n            gap-x-xs gap-y-0\n            \">\n                                                        <li class=\"flex gap-x-[.2em]  text-blue font-thin text-base overflow-hidden  \">\n                        <div class=\"flex-[0_0_1.2em]\">\n                            <span class=\"material-symbols-outlined \"> fiber_manual_record <\/span>\n                        <\/div>\n                        <a href='#L%C3%B6sungsansatz' class='text-blue no-underline border-b-dashed translate-y-[.125em] block '>L\u00f6sungsansatz<\/a>\n                    <\/li>\n                                                        <li class=\"flex gap-x-[.2em]  text-blue font-thin text-base overflow-hidden  \">\n                        <div class=\"flex-[0_0_1.2em]\">\n                            <span class=\"material-symbols-outlined \"> fiber_manual_record <\/span>\n                        <\/div>\n                        <a href='#Optimierung+der+Schaumstruktur' class='text-blue no-underline border-b-dashed translate-y-[.125em] block '>Optimierung der Schaumstruktur<\/a>\n                    <\/li>\n                                                        <li class=\"flex gap-x-[.2em]  text-blue font-thin text-base overflow-hidden  \">\n                        <div class=\"flex-[0_0_1.2em]\">\n                            <span class=\"material-symbols-outlined \"> fiber_manual_record <\/span>\n                        <\/div>\n                        <a href='#Folienherstellung' class='text-blue no-underline border-b-dashed translate-y-[.125em] block '>Folienherstellung<\/a>\n                    <\/li>\n                                                        <li class=\"flex gap-x-[.2em]  text-blue font-thin text-base overflow-hidden  \">\n                        <div class=\"flex-[0_0_1.2em]\">\n                            <span class=\"material-symbols-outlined \"> fiber_manual_record <\/span>\n                        <\/div>\n                        <a href='#Ergebnisse' class='text-blue no-underline border-b-dashed translate-y-[.125em] block '>Ergebnisse<\/a>\n                    <\/li>\n                                                        <li class=\"flex gap-x-[.2em]  text-blue font-thin text-base overflow-hidden  \">\n                        <div class=\"flex-[0_0_1.2em]\">\n                            <span class=\"material-symbols-outlined \"> fiber_manual_record <\/span>\n                        <\/div>\n                        <a href='#Ansprechpartner' class='text-blue no-underline border-b-dashed translate-y-[.125em] block '>Ansprechpartner<\/a>\n                    <\/li>\n                            <\/ul>\n        <\/nav>\n    <\/div>\n<\/section>\n<ul id=\"toc-menu\" class=\"flex flex-col\">\n    <!-- <li>\n        <a href=\"#toc-block_282840d5de82cfee505befdfd2e23f9c\" class=\"no-underline\">\n            <span class=\"material-symbols-outlined\"> toc <\/span>\n        <\/a>\n    <\/li> -->\n            <li class=\"group\/toc relative  align-middle \"><a href='#L%C3%B6sungsansatz' class='no-underline  block relative'><span class=\"material-symbols-outlined\"> fiber_manual_record <\/span><span class='none group-hover\/toc:grad-xl pointer-events-none absolute right-0 top-0 flex h-full w-[30ch] translate-x-base items-center justify-end text-balance pr-xl text-right text-base tracking-wide no-underline opacity-0 transition-all delay-0 duration-500 ease-in-out group-hover\/sidebar:pointer-events-auto group-hover\/toc:pointer-events-auto group-hover\/sidebar:-translate-x-0 group-hover\/toc:-translate-x-base group-hover\/sidebar:opacity-100 group-hover\/sidebar:delay-300 group-hover\/toc:delay-0\n    '>L\u00f6sungsansatz<\/span><\/a><\/li>            <li class=\"group\/toc relative  align-middle \"><a href='#Optimierung+der+Schaumstruktur' class='no-underline  block relative'><span class=\"material-symbols-outlined\"> fiber_manual_record <\/span><span class='none group-hover\/toc:grad-xl pointer-events-none absolute right-0 top-0 flex h-full w-[30ch] translate-x-base items-center justify-end text-balance pr-xl text-right text-base tracking-wide no-underline opacity-0 transition-all delay-0 duration-500 ease-in-out group-hover\/sidebar:pointer-events-auto group-hover\/toc:pointer-events-auto group-hover\/sidebar:-translate-x-0 group-hover\/toc:-translate-x-base group-hover\/sidebar:opacity-100 group-hover\/sidebar:delay-300 group-hover\/toc:delay-0\n    '>Optimierung der Schaumstruktur<\/span><\/a><\/li>            <li class=\"group\/toc relative  align-middle \"><a href='#Folienherstellung' class='no-underline  block relative'><span class=\"material-symbols-outlined\"> fiber_manual_record <\/span><span class='none 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'>Ansprechpartner<\/span><\/a><\/li>    <\/ul>\n<a href=\"#toc-block_282840d5de82cfee505befdfd2e23f9c\" class=\"\n    z-20\n    lg:hidden\n    fixed\n    flex\n    items-center\n    justify-center\n    w-[2em]\n    h-[2em]\n\n    rounded-full\n    bottom-m\n    right-m\n    bg-white\n    text-blue\n\n    no-underline\n    scale-125\n    shadow-md\n    \">\n    <span class=\"material-symbols-outlined !translate-y-[0] scale-125 \"> list <\/span>\n<\/a>\n\n<script>\n    var elementToMove = document.querySelector('#toc-menu');\n    var newParent = document.querySelector('#toc-wrapper');\n    newParent.appendChild(elementToMove);\n<\/script>\n<a id=\"toc-marker-block_1dc0633600ed19608cdd1ef2da486407\" class=\"toc-marker -top-[--toc-height] \" name=\"L%C3%B6sungsansatz\" data-tocmarker=\"L%C3%B6sungsansatz\"><\/a>\n\n    <section id=\"paragraph-and-image-block_cc87781bcd809564708c4ea1686262a4\" class=\"block-paragraph-and-image blocksection imgRightTextLeft whiteBack imgRightTextLeft  bg-white  relative  \">\n                <div class=\"theGridWrapper \">\n            <div class=\"theGrid12\">\n                                    <h2 class=\" col-span-12  md:col-span-3 font-semibold font-serif text-xl md:text-right   text-balance \">\n                        <div class=\"md:origin-bottom-right largeToNormal\">\n                            Schaumbildung zur Dichteverringerung                        <\/div>\n                    <\/h2>\n                                <div class=\" col-span-12  sm:col-span-7 md:col-span-4  lg:col-span-4 wysiwyg hyphens-auto \">\n                    <p data-pm-slice=\"1 1 []\">To improve recyclability, a combination of blown film and foam extrusion processes is used. A chemical blowing agent is added to the melt in order to reduce the density of the middle layer and thus lower the overall film density to below 1 g\/cm\u00b3. The challenge is to maintain the mechanical properties of the film, in particular tensile strength and dead-fold behavior.<\/p>\n                <\/div>\n                <div class=\" col-span-12 sm:col-span-5  md:col-span-5   lg:col-span-5 lg:col-start-8 relative flex flex-col items-end \">\n                    <figure class=\" relative flex flex-col items-end origin-top-left bigInMiddle fullOpacityInMiddle \"><img decoding=\"async\"  class=\"order-1\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-1-2.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-1-2.jpg 1080w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-1-2-748x748.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-1-2-335x335.jpg 335w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-1-2-768x768.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1080\" height=\"1080\" alt=\"Step-1\" loading=\"lazy\" \/><figcaption class=\" order-2  text-figcaption\"><\/figcaption><\/figure>                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n\n<a id=\"toc-marker-block_f6e64e84da5ca204211eaeee5bc7607d\" class=\"toc-marker -top-[--toc-height] \" name=\"Optimierung+der+Schaumstruktur\" data-tocmarker=\"Optimierung+der+Schaumstruktur\"><\/a>\n\n    <section id=\"paragraph-and-image-block_bad971f1fb59df70736f820a7d3fdbdc\" class=\"block-paragraph-and-image blocksection imgLTRSmallImage whiteBack imgLTRSmallImage  bg-white  relative  \">\n                <div class=\"theGridWrapper\">\n            <div class=\"theGrid12\">\n                <div class=\" col-span-12 sm:col-span-5 md:col-span-5 md:col-start-3  lg:col-span-5 lg:col-start-3 relative flex flex-col sm:items-end \">\n                                            <div class=\"largeToNormal\">\n                            <h2 class=\"font-semibold font-serif text-xl  sm:text-right pb-base sm:max-w-[28ch] text-balance  \">\n                                Optimierung der Schaumstruktur                            <\/h2>\n                        <\/div>\n                                        <figure class=\" relative flex flex-col items-end origin-top-right bigInMiddle fullOpacityInMiddle\"><img decoding=\"async\"  class=\"order-1\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-2.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-2.jpg 1080w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-2-748x748.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-2-335x335.jpg 335w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-2-768x768.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1080\" height=\"1080\" alt=\"Step-2\" loading=\"lazy\" \/><figcaption class=\" order-2  text-figcaption  \"><\/figcaption><\/figure>                <\/div>\n                <div class=\" col-span-12 sm:col-span-7  md:col-span-5  lg:col-start-8 lg:col-span-4 wysiwyg hyphens-auto \">\n                    <p data-pm-slice=\"1 3 []\">Three key parameters influence the film structure and properties:<\/p>\n<h3>Propellant content<\/h3>\n<p>An optimum quantity must be found to ensure a homogeneous cell structure. Too little blowing agent leads to insufficient foam formation, while too much creates large, unstable bubbles and greatly reduces the viscosity of the material.<\/p>\n<h3><strong>Molecular weight and side chain length<\/strong><\/h3>\n<p>These influence the melt strength and the elongation behavior during extrusion. Long side chains increase stability and lead to finer foam formation.<\/p>\n<h3><strong>Mass flow ratio of the layers<\/strong><\/h3>\n<p>The foam profile can be influenced by varying the throughput of the individual extruder layers. A high addition of mass in the middle layer improves the homogeneity of the cell structure, but can impair the mechanical properties.<\/p>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n\n<a id=\"toc-marker-block_086d5946e8f38a897baccf187c274e25\" class=\"toc-marker -top-[--toc-height] \" name=\"Folienherstellung\" data-tocmarker=\"Folienherstellung\"><\/a>\n\n    <section id=\"paragraph-and-image-block_b548f586d5c470bbce22c394471192d2\" class=\"block-paragraph-and-image blocksection imgRightTextLeft whiteBack imgRightTextLeft  bg-white  relative  \">\n                <div class=\"theGridWrapper \">\n            <div class=\"theGrid12\">\n                                    <h2 class=\" col-span-12  md:col-span-3 font-semibold font-serif text-xl md:text-right   text-balance \">\n                        <div class=\"md:origin-bottom-right largeToNormal\">\n                            Herstellung der optimierten Folien                        <\/div>\n                    <\/h2>\n                                <div class=\" col-span-12  sm:col-span-7 md:col-span-4  lg:col-span-4 wysiwyg hyphens-auto \">\n                    <p data-pm-slice=\"1 1 []\">In the extrusion pilot plant, a series of tests is being carried out involving the extrusion of three-layer films with a foamed middle layer made of PE-HD and PE-LD.<\/p>\n<p data-pm-slice=\"1 1 []\">Various propellant quantities and material combinations are tested. The aim is to produce a stable film structure that remains mechanically resilient and has a density of less than 1 g\/cm\u00b3.<\/p>\n<figure id=\"attachment_6167\" class=\"wp-caption alignleft\"><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-6167\" src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2025\/02\/Paperlike-Folie-1024x683.jpg\" alt=\"\" width=\"1024\" height=\"683\"><figcaption class=\"wp-caption-text\">Sample production using the blown film extrusion process in the extrusion pilot plant at IKV <i>IKV<\/i><\/figcaption><\/figure>\n                <\/div>\n                <div class=\" col-span-12 sm:col-span-5  md:col-span-5   lg:col-span-5 lg:col-start-8 relative flex flex-col items-end \">\n                    <figure class=\" relative flex flex-col items-end origin-top-left bigInMiddle fullOpacityInMiddle \"><img decoding=\"async\"  class=\"order-1\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-3.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-3.jpg 1080w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-3-748x748.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-3-335x335.jpg 335w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-3-768x768.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1080\" height=\"1080\" alt=\"Step-3\" loading=\"lazy\" \/><figcaption class=\" order-2  text-figcaption\"><\/figcaption><\/figure>                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n\n<a id=\"toc-marker-block_f4c97061a6c843e1ef296f3697de4fea\" class=\"toc-marker -top-[--toc-height] \" name=\"Ergebnisse\" data-tocmarker=\"Ergebnisse\"><\/a>\n\n    <section id=\"paragraph-and-image-block_0f71cd49b4954452fd8446710c59a656\" class=\"block-paragraph-and-image blocksection imgLTRSmallImage whiteBack imgLTRSmallImage  bg-white  relative  \">\n                <div class=\"theGridWrapper\">\n            <div class=\"theGrid12\">\n                <div class=\" col-span-12 sm:col-span-5 md:col-span-5 md:col-start-3  lg:col-span-5 lg:col-start-3 relative flex flex-col sm:items-end \">\n                                            <div class=\"largeToNormal\">\n                            <h2 class=\"font-semibold font-serif text-xl  sm:text-right pb-base sm:max-w-[28ch] text-balance  \">\n                                Analyse und Ergebnisse                            <\/h2>\n                        <\/div>\n                                        <figure class=\" relative flex flex-col items-end origin-top-right bigInMiddle fullOpacityInMiddle\"><img decoding=\"async\"  class=\"order-1\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-4.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-4.jpg 1080w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-4-748x748.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-4-335x335.jpg 335w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/11\/Step-4-768x768.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" width=\"1080\" height=\"1080\" alt=\"Step-4\" loading=\"lazy\" \/><figcaption class=\" order-2  text-figcaption  \"><\/figcaption><\/figure>                <\/div>\n                <div class=\" col-span-12 sm:col-span-7  md:col-span-5  lg:col-start-8 lg:col-span-4 wysiwyg hyphens-auto \">\n                    <p data-pm-slice=\"1 3 []\">The tests show that the optimized combination of parameters can successfully reduce the density without significantly impairing the functionality of the film:<\/p>\n<h3>Reduced density:<\/h3>\n<p>The highly filled film achieves a density of less than 1 g\/cm\u00b3 through foaming and can therefore be sorted using the float-sink method.<\/p>\n<h3>Mechanical properties:<\/h3>\n<p>The tensile strength initially decreases due to foaming, but improves with a finer cell structure.<\/p>\n<h3>Dead-fold behavior:<\/h3>\n<p>By specifically modifying the material composition, the dead-fold angle was optimized to 86.5\u00b0 so that the film retains its paper-like properties.<\/p>\n<p>&nbsp;<\/p>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/section>\n<section id=\"narrow-lane-block_14bdb1607556fe149b56b9a6e4ed004e\" class=\"block-narrow-lane blocksection pt-lg flex flex-col-reverse  floatout_headline  \">\n        <div class=\" theGridWrapper \">\n        <div class=\" theGrid12 \">\n            <div class=\" col-span-12 md:col-span-9 col-start-1 md:col-start-4   \">\n                <div class=\" wysiwyg hyphens-auto  bigInMiddle \">\n                    <h3 data-pm-slice=\"1 1 []\"><strong>Conclusion<\/strong><\/h3>\n<p>The combination of blown film and foam extrusion offers an innovative solution to the problem of recycling paper-like films. Through targeted process adjustments, sustainable packaging materials can be created that meet both the needs of the industry and the requirements for recyclability.<\/p>\n    <article itemscope itemtype=\"http:\/\/schema.org\/Person\" class=\" border-t border-green border-dotted pt-base mt-base\">\n        <figure class=\" dn_no_select  rounded-full  w-[10em] h-auto object-cov overflow-hidden mb-base bigInMiddle\"><img decoding=\"async\"  class=\"dn-no-drag w-full h-auto object-cover\"  src=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-scaled.jpg\" srcset=\"https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-scaled.jpg 2560w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-748x748.jpg 748w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-1536x1536.jpg 1536w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-335x335.jpg 335w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-768x768.jpg 768w, https:\/\/ikv-aachen.de\/wp-content\/uploads\/2024\/12\/Lisa-Leuchtenber-Square-2048x2048.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" width=\"2560\" height=\"2560\" alt=\"Lisa-Leuchtenberger-Engel-Square\" loading=\"lazy\" \/><\/figure>        <h2 itemprop='name' class=\"font-bold\">\n            Dr.-Ing. Lisa Leuchtenberger-Engel        <\/h2>\n                    <p itemprop='jobTitle' class=\"\">\n                Head of the Extrusion and Rubber Technology Department            <\/p>\n                            <div>\n                <h3 class=\"mt-2xs\">Kontakt:<\/h3>\n                <p>\n                    <span itemprop=\"telephone\">+49 241 80-28372<\/span><br>\n                <\/p>\n                <a href=\"mailto:lisa.leuchtenberger@ikv.rwth-aachen.de\" itemprop=\"email\">lisa.leuchtenberger@ikv.rwth-aachen.de<\/a>\n            <\/div>\n                <ul class=\"flex gap-xs mt-xs\">\n            <li>\n                    <a data-con-tap href=\"tel:+49 241 80-28372\" class=\"text-[1.5em] w-[1.5em] h-[1.5em] flex justify-center  no-underline relative items-center text-white hover:scale-110 transform transition-all duration-200 ease-in-out bg-green   hover:bg-blue  rounded-full   \"  data-content='+49 241 80-28372'  data-content-type='phone'  data-copy='The number has been copied to your device clipboard.'  target=\"_self\">\n                    <span class='material-symbols-outlined -mt-2'> phone <\/span>\n                    <\/a>\n            <\/li>\n            <li>\n                    <a data-con-tap href=\"mailto:lisa.leuchtenberger@ikv.rwth-aachen.de\" class=\"text-[1.5em] w-[1.5em] h-[1.5em] flex justify-center  no-underline relative items-center text-white hover:scale-110 transform transition-all duration-200 ease-in-out bg-green   hover:bg-blue  rounded-full   \"  data-content='lisa.leuchtenberger@ikv.rwth-aachen.de'  data-content-type='mail'  target=\"_self\">\n                    <span class='material-symbols-outlined -mt-2'> mail <\/span>\n                    <\/a>\n            <\/li>\n                            <li>\n                        <a data-con-tap href=\"https:\/\/www.linkedin.com\/in\/lisa-leuchtenberger-a66521195\/\" class=\"text-[1.5em] w-[1.5em] h-[1.5em] flex justify-center  no-underline relative items-center text-white hover:scale-110 transform transition-all duration-200 ease-in-out bg-green   hover:bg-blue  rounded-full   \"  data-content='https:\/\/www.linkedin.com\/in\/lisa-leuchtenberger-a66521195\/'  data-content-type='linkedin'  target=\"_blank\">\n                            \n<svg viewBox=\"0 0 72 72\" width=\"100%\" height=\"100%\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"scale-75\">\n    <g fill=\"none\" fill-rule=\"evenodd\">\n        <path d=\"M62,62 L51.315625,62 L51.315625,43.8021149 C51.315625,38.8127542 49.4197917,36.0245323 45.4707031,36.0245323 C41.1746094,36.0245323 38.9300781,38.9261103 38.9300781,43.8021149 L38.9300781,62 L28.6333333,62 L28.6333333,27.3333333 L38.9300781,27.3333333 L38.9300781,32.0029283 C38.9300781,32.0029283 42.0260417,26.2742151 49.3825521,26.2742151 C56.7356771,26.2742151 62,30.7644705 62,40.051212 L62,62 Z M16.349349,22.7940133 C12.8420573,22.7940133 10,19.9296567 10,16.3970067 C10,12.8643566 12.8420573,10 16.349349,10 C19.8566406,10 22.6970052,12.8643566 22.6970052,16.3970067 C22.6970052,19.9296567 19.8566406,22.7940133 16.349349,22.7940133 Z M11.0325521,62 L21.769401,62 L21.769401,27.3333333 L11.0325521,27.3333333 L11.0325521,62 Z\" fill=\"white\" \/>\n    <\/g>\n<\/svg>\n            <\/a>\n                <\/li>\n                        <li>\n                    <a data-con-tap href=\"\/vcard\/?id=1541\" class=\"text-[1.5em] w-[1.5em] h-[1.5em] flex justify-center  no-underline relative items-center text-white hover:scale-110 transform transition-all duration-200 ease-in-out bg-green   hover:bg-blue  rounded-full   \"  data-content='\/vcard\/?id=1541'  download  target=\"_self\">\n                    <span class='material-symbols-outlined -mt-2'> download <\/span>\n                    <\/a>\n            <\/li>\n        <\/ul>\n    <\/article>\n\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/section>\n<a id=\"toc-marker-block_05e61c824879ef019448576b258590dd\" class=\"toc-marker -top-[--toc-height] \" name=\"Ansprechpartner\" data-tocmarker=\"Ansprechpartner\"><\/a><section id=\"wysiwyg-person-block_c99242e9cb0432d8fbf73c3073221e18\" class=\" block-wysiwyg-person blocksection  bg-bluegrey30 py-2xl\">\n        <div class=\"theGridWrapper\">\n        <div class=\"theGrid12\">\n            <div class=\"col-span-12  xs:col-span-6  sm:col-start-2  sm:col-span-6  md:col-start-2  md:col-span-5 xl:col-start-2 xl:col-span-5 \">\n                <div class=\"wysiwyg hyphens-auto  \">\n                    <h3><strong>Together we will find the best solution for your project<\/strong><\/h3>\n<p>We are at your side with our expertise and will be happy to advise you individually on your questions. 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 <\/div>\n    <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>The aim of the project was to develop and produce a so-called &#8220;paper-like film&#8221; that offers ecological and functional advantages.<\/p>\n","protected":false},"author":3,"featured_media":6168,"parent":5642,"menu_order":97,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-6155","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Development of a recyclable, paper-like film | IKV-Aachen<\/title>\n<meta name=\"description\" content=\"The aim of the project was to develop and produce a so-called &quot;paper-like film&quot; that offers ecological and functional advantages.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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