{"id":9298,"date":"2016-11-22T13:00:24","date_gmt":"2016-11-22T13:00:24","guid":{"rendered":"http:\/\/admin.acceleratingscience.com\/materials\/?p=9298"},"modified":"2026-09-16T10:12:55","modified_gmt":"2026-09-16T15:12:55","slug":"ftir-a-valuable-tool-in-plastics-analysis","status":"publish","type":"post","link":"https:\/\/www.thermofisher.com\/blog\/materials\/ftir-a-valuable-tool-in-plastics-analysis\/","title":{"rendered":"FTIR:  A Valuable Tool in Plastics Analysis"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"float: right;border: 1px solid black;margin: 10px\" title=\"FTIR guide\" src=\"http:\/\/www.thermofisher.com\/blog\/materials\/wp-content\/uploads\/sites\/7\/2016\/11\/ftirguide.jpg\" alt=\"FTIR guide\" width=\"350\" height=\"515\" \/>Plastics manufacturers routinely face a variety of product lifecycle challenges, including analyzing <a href=\"http:\/\/tools.thermofisher.com\/content\/sfs\/brochures\/AR52594-Identifying-Failures-Ensuring-Quality-Plastic-Materials.pdf\">failed parts<\/a>\u00a0to determine the root cause and corrective actions. <a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/molecular-spectroscopy\/fourier-transform-infrared-ftir-spectroscopy.html\">FTIR spectroscopy<\/a> is a fundamental analytical tool across all phases of the plastic and polymer product development lifecycle, including quality control, competitive reverse engineering and problem solving. These capabilities arise because FTIR provides quick and definitive identification of compounded plastics, blends, fillers, paints, rubbers, coatings, resins, adhesives and contaminants.<\/p>\n<p><span style=\"font-size: 14pt\">What is FTIR?<\/span><\/p>\n<p>FTIR stands for Fourier transform infrared, the preferred method of infrared spectroscopy. When IR radiation passes through a sample, some radiation is absorbed by the sample and some passes through (is transmitted). The spectrum of absorbed light represents a \u2018fingerprint\u2019 of the molecular structure of the sample. The usefulness of infrared spectroscopy arises because different chemical structures (molecules) produce different spectral fingerprints.<\/p>\n<ul>\n<li><a href=\"http:\/\/thermoscientificwebevent.adobeconnect.com\/whatisftir\">Watch the tutorial<\/a>\u00a0for a quick description of what &#8220;FTIR&#8221; means and how the &#8220;FT&#8221; and the &#8220;IR&#8221; parts work together.<\/li>\n<li>To get some basics about FTIR, download the\u00a0<a href=\"http:\/\/tools.thermofisher.com\/content\/sfs\/brochures\/BR50555_E_0513M_H_1.pdf\">Introduction to Fourier Transform Infrared Spectroscopy<\/a>.<\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt\">How does FTIR work?<\/span><\/p>\n<p>The FTIR uses interferometry to encode information about a material placed in the IR beam. The Fourier transform decodes the signal, resulting in spectra that analysts can use to identify or quantify the material. Patterns in the spectra help identify the sample, since specific structures in molecules exhibit specific IR fingerprints.<\/p>\n<ul>\n<li><a href=\"http:\/\/thermoscientificwebevent.adobeconnect.com\/whyuseftir\/\">Watch the tutorial<\/a>\u00a0for a closer look at the heart of the FTIR and a brief examination of why it is so popular as a tool.<\/li>\n<\/ul>\n<p><span style=\"font-size: 14pt\">What is the best way to use FTIR to analyze plastics?<\/span><\/p>\n<p>Certain techniques of sample handling are more effective than others for specific sample types. Some methods are better for plastics, others for liquid precursors or additives.\u00a0 In order to obtain the best quality spectrum from your sample, it is important to know which handling technique works best for your sample type so you can be confident in your spectral data and results.<\/p>\n<ul>\n<li><a href=\"http:\/\/thermoscientificwebevent.adobeconnect.com\/ftirsampling\/\">Watch the tutorial<\/a>\u00a0for a short look at the four main ways samples are examined in FT-IR,<\/li>\n<li>Download the <a href=\"http:\/\/tools.thermofisher.com\/content\/sfs\/brochures\/BR50557_E_IntroSampHand0613M_H_1.pdf\">Introduction to FTIR Sample Handling<\/a>,<\/li>\n<li>Take a look at this\u00a0<a href=\"http:\/\/tools.thermofisher.com\/content\/sfs\/posters\/FTIRSampleHandling.pdf\">Ratings Chart <\/a>on which FT-IR sampling method is best for your sample,<\/li>\n<\/ul>\n<p>or<\/p>\n<p>Visit the <a href=\"http:\/\/www.thermofisher.com\/us\/en\/home\/industrial\/spectroscopy-elemental-isotope-analysis\/spectroscopy-elemental-isotope-analysis-learning-center\/molecular-spectroscopy-information\/ftir-information.html\">FTIR Spectroscopy Academy<\/a> to learn more about the basics of FTIR and its many applications in plastic and polymer analysis, including:<\/p>\n<ul>\n<li>Material identification and verification<\/li>\n<li>Copolymer and blend assessment<\/li>\n<li>Additive identification and quantification<\/li>\n<li>Contaminant identification\u2014bulk and surface<\/li>\n<li>Deformulation for failure analysis and reverse engineering.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Plastics manufacturers routinely face a variety of product lifecycle challenges, including analyzing failed parts\u00a0to determine the root cause and corrective actions. FTIR spectroscopy is a fundamental analytical tool across all phases of the plastic and polymer product development lifecycle, including quality control, competitive reverse engineering and problem solving. These capabilities arise because FTIR provides quick<\/p>\n","protected":false},"author":169,"featured_media":9390,"comment_status":"open","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":"","_monsterinsights_skip_tracking":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[958,972,961,21,968],"tags":[955],"division":[],"class_list":{"0":"post-9298","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-failure-analysis","8":"category-infrared-spectroscopy","9":"category-process-control","10":"category-quality-control-and-assurance-verification","11":"category-spectroscopy-spectrometry","12":"tag-polymer-plastics","13":"entry"},"_selected_authors":[1058],"_selected_reviewers":[],"acf":[],"yoast_head":"<!-- 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