{"id":787,"date":"2025-07-08T09:37:35","date_gmt":"2025-07-08T09:37:35","guid":{"rendered":"https:\/\/4medchem.cn\/?post_type=product&#038;p=787"},"modified":"2025-09-13T00:43:27","modified_gmt":"2025-09-13T00:43:27","slug":"carbonyl-bis-caprolactam-cas-19494-73-6","status":"publish","type":"product","link":"https:\/\/4medchem.cn\/en\/product\/carbonyl-bis-caprolactam-cas-19494-73-6\/","title":{"rendered":"\u7fb0\u57fa\u53cc\u5df1\u5185\u9170\u80fa | Cas 19494-73-6"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"787\" class=\"elementor elementor-787\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1609f00 e-con-full e-flex e-con e-parent\" data-id=\"1609f00\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-306c653 e-con-full elementor-hidden-mobile e-flex e-con e-child\" data-id=\"306c653\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ac3aefa elementor-widget elementor-widget-html\" data-id=\"ac3aefa\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<!-- Sidebar REAL (with submenus added) -->\r\n<div class=\"mc-container\">\r\n  <div class=\"mc-sidebar\" id=\"mc-sidebar\">\r\n    <ul class=\"mc-menu\">\r\n      <li><a href=\"\/en\/shop\/\" class=\"mc-link\">All Products<\/a><\/li>\r\n\r\n      <li><a href=\"\/en\/product-category\/biodegradable-biocompatible-polymers\/\" class=\"mc-link\">\r\n        Polymers - Biodegradable &amp; Biocompatible\r\n      <\/a><\/li>\r\n\r\n      <!-- Monomers (collapsible) -->\r\n      <li class=\"mc-item-with-sub\">\r\n        <button type=\"button\"\r\n                class=\"mc-link mc-toggle-btn\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"mc-submenu-monomers\">\r\n          Monomers - Biodegradable\r\n        <\/button>\r\n        <ul class=\"mc-submenu\" id=\"mc-submenu-monomers\">\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/monomers-biodegradable\/\">All monomers<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/monomers-biodegradable\/isocyanates\/\">Isocyanates<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/monomers-biodegradable\/lactides-glycolide\/\">Lactides &amp; Glycolide<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/monomers-biodegradable\/carbonyl-bis-caprolactam\/\">Carbonyl bis caprolactam<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/monomers-biodegradable\/oxazolines\/\">Oxazolines<\/a><\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <!-- Sodium Hyaluronate (collapsible) -->\r\n      <li class=\"mc-item-with-sub\">\r\n        <button type=\"button\"\r\n                class=\"mc-link mc-toggle-btn\"\r\n                aria-expanded=\"false\"\r\n                aria-controls=\"mc-submenu-hyal\">\r\n          Sodium Hyaluronate\r\n        <\/button>\r\n        <ul class=\"mc-submenu\" id=\"mc-submenu-hyal\">\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/sodium-hyaluronate\/\">All sodium hyaluronate<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/sodium-hyaluronate\/sterile\/\">Sterile<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/sodium-hyaluronate\/pharma\/\">Pharma<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/sodium-hyaluronate\/medical\/\">Medical<\/a><\/li>\r\n          <li><a class=\"mc-sublink\" href=\"\/en\/product-category\/sodium-hyaluronate\/eye\/\">Eye<\/a><\/li>\r\n        <\/ul>\r\n      <\/li>\r\n\r\n      <li><a href=\"\/en\/product-category\/cyclodextrins\/\" class=\"mc-link\">Cyclodextrins<\/a><\/li>\r\n      <li><a href=\"\/en\/product-category\/chitosan\/\" class=\"mc-link\" style=\"border-radius:0 0 42px 0;\">Chitosan<\/a><\/li>\r\n    <\/ul>\r\n\r\n    <div class=\"mc-welcome-small\">\r\n      <img decoding=\"async\" src=\"http:\/\/4medchem.cn\/wp-content\/uploads\/2025\/04\/welcome4-small.7e81d253.png\" alt=\"Welcome\">\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n<style>\r\n  .mc-container {\r\n    display: flex;\r\n    gap: 3%;\r\n        margin-left: 10px;\r\n  }\r\n\r\n  .mc-sidebar {\r\n    width: 270px;\r\n    background: #252161;\r\n    border-radius: 0 0 150px 0;\r\n    padding: 2vw 2vw 0;\r\n    position: relative;\r\n    min-height: 600px;\r\n    color: #fff;\r\n    font-family: gotham, system-ui, sans-serif;\r\n    transition: min-height .28s ease; \/* smooth grow\/shrink *\/\r\n  }\r\n\r\n  .mc-menu { list-style: none; margin: 0; padding: 0; }\r\n  .mc-menu > li { margin-bottom: .7em; }\r\n\r\n  .mc-link,\r\n  .mc-toggle-btn {\r\n    display: block;\r\n    width: 100%;\r\n    text-align: left;\r\n    padding: 9px 2.2em 10px 16px;\r\n    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text-decoration: none;\r\n  }\r\n  .mc-sublink:hover { color: orange; text-decoration: none !important; }\r\n\r\n  .mc-item-with-sub.open > .mc-toggle-btn {\r\n    outline: 1px solid rgba(255,255,255,.25);\r\n  }\r\n\r\n  .mc-welcome-small {\r\n    position: absolute;\r\n    bottom: -140px;\r\n    left: -30px;\r\n    z-index: 3;\r\n  }\r\n  .mc-welcome-small img { width: 22vw; max-width: 190px; }\r\n\r\n  @media (max-width: 768px) {\r\n    .mc-sidebar { min-height: 650px; }\r\n  }\r\n<\/style>\r\n\r\n<script>\r\ndocument.addEventListener(\"DOMContentLoaded\", function () {\r\n  const sidebar = document.getElementById(\"mc-sidebar\");\r\n\r\n  \/\/ --- Base min-height snapshot (never accumulates) ---\r\n  let baseMin = getCssMinHeight();\r\n\r\n  function getCssMinHeight() {\r\n    \/\/ Read the CSS min-height, ignoring any inline min-height we set\r\n    const prev = sidebar.style.minHeight;\r\n    sidebar.style.minHeight = \"\";                  \/\/ clear inline\r\n    const px = parseFloat(getComputedStyle(sidebar).minHeight) || 0;\r\n    sidebar.style.minHeight = prev;                \/\/ restore inline\r\n    return px;\r\n  }\r\n\r\n  function applySidebarMin(extraPx) {\r\n    if (extraPx > 0) {\r\n      sidebar.style.minHeight = (baseMin + extraPx) + \"px\";\r\n    } else {\r\n      sidebar.style.minHeight = \"\";                \/\/ hand control back to CSS\r\n    }\r\n  }\r\n\r\n  function expand(item) {\r\n    const submenu = item.querySelector(\".mc-submenu\");\r\n    const btn = item.querySelector(\".mc-toggle-btn\");\r\n\r\n    submenu.style.height = submenu.offsetHeight + \"px\";\r\n    submenu.style.overflow = \"hidden\";\r\n    item.classList.add(\"open\");\r\n    btn.setAttribute(\"aria-expanded\", \"true\");\r\n\r\n    const endHeight = submenu.scrollHeight;\r\n    submenu.getBoundingClientRect();               \/\/ force reflow\r\n    submenu.style.height = endHeight + \"px\";\r\n\r\n    applySidebarMin(endHeight);\r\n\r\n    submenu.addEventListener(\"transitionend\", function onEnd(e) {\r\n      if (e.propertyName !== \"height\") return;\r\n      submenu.style.height = \"auto\";\r\n      submenu.removeEventListener(\"transitionend\", onEnd);\r\n    });\r\n  }\r\n\r\n  function collapse(item) {\r\n    const submenu = item.querySelector(\".mc-submenu\");\r\n    const btn = item.querySelector(\".mc-toggle-btn\");\r\n    const startHeight = submenu.scrollHeight;\r\n\r\n    submenu.style.height = startHeight + \"px\";\r\n    submenu.style.overflow = \"hidden\";\r\n    submenu.getBoundingClientRect();\r\n    submenu.style.height = \"0px\";\r\n    item.classList.remove(\"open\");\r\n    btn.setAttribute(\"aria-expanded\", \"false\");\r\n\r\n    \/\/ If no submenu remains open, reset to CSS-controlled min-height\r\n    const anyOpen = document.querySelector(\".mc-item-with-sub.open\");\r\n    if (!anyOpen) applySidebarMin(0);\r\n  }\r\n\r\n  \/\/ Toggle logic (close others first)\r\n  document.querySelectorAll(\".mc-toggle-btn\").forEach((btn) => {\r\n    btn.addEventListener(\"click\", (e) => {\r\n      e.preventDefault();\r\n      const item = btn.closest(\".mc-item-with-sub\");\r\n      const isOpen = item.classList.contains(\"open\");\r\n\r\n      document.querySelectorAll(\".mc-item-with-sub.open\").forEach((openItem) => {\r\n        if (openItem !== item) collapse(openItem);\r\n      });\r\n\r\n      if (isOpen) collapse(item);\r\n      else expand(item);\r\n    });\r\n\r\n    btn.addEventListener(\"keydown\", (e) => {\r\n      if (e.key === \"Enter\" || e.key === \" \") {\r\n        e.preventDefault();\r\n        btn.click();\r\n      }\r\n    });\r\n  });\r\n\r\n  \/\/ Recompute baseMin on resize (e.g., when media queries change it)\r\n  let resizeTimer;\r\n  window.addEventListener(\"resize\", () => {\r\n    clearTimeout(resizeTimer);\r\n    resizeTimer = setTimeout(() => {\r\n      const hadInline = sidebar.style.minHeight !== \"\";\r\n      const currentOpen = document.querySelector(\".mc-item-with-sub.open .mc-submenu\");\r\n\r\n      \/\/ Temporarily clear inline to read fresh CSS min-height for this breakpoint\r\n      const prevInline = sidebar.style.minHeight;\r\n      sidebar.style.minHeight = \"\";\r\n      baseMin = getCssMinHeight();                 \/\/ snapshot fresh base for this viewport\r\n      sidebar.style.minHeight = prevInline;        \/\/ restore\r\n\r\n      if (currentOpen) {\r\n        applySidebarMin(currentOpen.scrollHeight); \/\/ baseMin + open height (no accumulation)\r\n      } else if (!hadInline) {\r\n        applySidebarMin(0);\r\n      }\r\n    }, 120);\r\n  });\r\n});\r\n<\/script>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3172c2f e-con-full e-flex e-con e-child\" data-id=\"3172c2f\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-65c5b0f elementor-widget__width-initial elementor-widget-mobile__width-inherit elementor-widget elementor-widget-html\" data-id=\"65c5b0f\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n.maininfo h2,p{font-family:gotham;}\r\n\r\n    .shoptimizer-archive .archive-header{display:none }\r\n    \r\n    \r\n    .fontik {\r\n        font-family: gotham \r\n    }\r\n   .fontik h2{\r\n       font-family:gotham;\r\n   }\r\n    \r\n<\/style>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n    \r\n     <ul class=\"breadcrumbs fw\">\r\n                        <li><a href=\"\/en\/\">Homepage<\/a><\/li>\r\n                        <li><a href=\"\/en\/shop\/\">All Products<\/a><\/li>\r\n                                                    <li><a href=\"\/en\/biodegradable-biocompatible-polymers\/\">Polymers - Biodegradable &amp; Biocompatible<\/a><\/li>\r\n                                                <li>Carbonyl bis caprolactam | Cas 19494-73-6<\/li>\r\n                    <\/ul>\r\n    \r\n\r\n\r\n\r\n\r\n<style>\r\n    .breadcrumbs.fw {\r\n    max-width: none;\r\n    font-family: gotham\r\n \r\n\r\n}\r\n.breadcrumbs {\r\n    font-size: 14px;\r\n    margin: 0 auto 30px;\r\n \r\n}\r\n\r\n.breadcrumbs li {\r\n    display: inline-block;\r\n}\r\n\r\n.breadcrumbs a {\r\n    color: #252161;\r\n}\r\n\r\n.breadcrumbs li+li:before {\r\n    color: #b9b9b9;\r\n    content: \">\";\r\n    padding-right: 3px;\r\n}\r\n<\/style>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f340e3e e-con-full fontik e-flex e-con e-child\" data-id=\"f340e3e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-39f69ff e-con-full e-flex e-con e-child\" data-id=\"39f69ff\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-25db04f e-con-full e-flex e-con e-child\" data-id=\"25db04f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1761b0e elementor-widget elementor-widget-image\" data-id=\"1761b0e\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"240\" height=\"240\" src=\"https:\/\/4medchem.cn\/wp-content\/uploads\/2025\/04\/Carbonyl-bis-caprolactam-Cas-19494-73-6.webp\" class=\"attachment-large size-large wp-image-204\" alt=\"\" srcset=\"https:\/\/4medchem.cn\/wp-content\/uploads\/2025\/04\/Carbonyl-bis-caprolactam-Cas-19494-73-6.webp 240w, https:\/\/4medchem.cn\/wp-content\/uploads\/2025\/04\/Carbonyl-bis-caprolactam-Cas-19494-73-6-150x150.webp 150w, https:\/\/4medchem.cn\/wp-content\/uploads\/2025\/04\/Carbonyl-bis-caprolactam-Cas-19494-73-6-100x100.webp 100w\" sizes=\"(max-width: 360px) 147px, (max-width: 240px) 100vw, 240px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-afea5b5 e-con-full e-flex e-con e-child\" data-id=\"afea5b5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c7b0642 elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"c7b0642\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"product-buttons\">\r\n   <button class=\"btn primary\">\u6279\u91cf\u8ba2\u5355<\/button>\r\n  <button class=\"btn secondary\">\u83b7\u53d6\u62a5\u4ef7<\/button>\r\n<\/div>\r\n\r\n<style>\r\n  .product-buttons {\r\n    display: flex;\r\n    gap: 14px;\r\n\r\n    justify-content: center;\r\n    flex-wrap: wrap;\r\n    flex-direction: column;\r\n  }\r\n\r\n  .btn {\r\n    padding: 14px 28px;\r\n    font-size: 17px;\r\n    font-weight: 600;\r\n    border: none;\r\n    border-radius: 10px;\r\n    cursor: pointer;\r\n    transition: all 0.3s ease-in-out;\r\n    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);\r\n    text-transform: uppercase;\r\n    letter-spacing: 0.5px;\r\n\r\n  }\r\n\r\n  .btn.primary {\r\n    background: linear-gradient(135deg, #fb8e2b, #ffa94d);\r\n    color: #fff;\r\n    box-shadow: 0 4px 14px rgba(251, 142, 43, 0.5);\r\n  }\r\n\r\n  .btn.primary:hover {\r\n    background: linear-gradient(135deg, #e77c1f, #ff9933);\r\n    transform: translateY(-2px);\r\n    box-shadow: 0 6px 24px rgba(251, 142, 43, 0.6);\r\n  }\r\n\r\n  .btn.secondary {\r\n    background-color: #ffffff;\r\n    color: #fb8e2b;\r\n    border: 2px solid #fb8e2b;\r\n  }\r\n\r\n  .btn.secondary:hover {\r\n    background-color: #fff6f0;\r\n    transform: translateY(-2px);\r\n    box-shadow: 0 4px 14px rgba(251, 142, 43, 0.2);\r\n  }\r\n<\/style>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9e184a6 e-con-full e-flex e-con e-child\" data-id=\"9e184a6\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-96747f9 elementor-widget elementor-widget-heading\" data-id=\"96747f9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u7fb0\u57fa\u53cc\u5df1\u5185\u9170\u80fa | Cas 19494-73-6<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8050123 elementor-widget elementor-widget-text-editor\" data-id=\"8050123\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Product specifications<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7125ba2 elementor-widget elementor-widget-text-editor\" data-id=\"7125ba2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u540d\u79f0<\/strong>\uff1a\u7fb0\u57fa\u53cc\u5df1\u5185\u9170\u80fa<br \/><strong>Cas<\/strong>:19494-73-6<br \/><strong>HPLC\u7eaf\u5ea6<\/strong>\uff1a99%<br \/><strong>\u5206\u5b50\u91cf<\/strong>\uff1a252.31<br \/><strong>\u7194\u70b9<\/strong>\uff1a112\u00b0C<br \/><strong>\u9884\u6d4b\u6cb8\u70b9<\/strong>\uff1a381.2\u00b125.0 \u00b0C | \u6761\u4ef6\uff1a\u538b\u529b760 Torr<br \/><strong>\u9884\u6d4b\u5bc6\u5ea6<\/strong>\uff1a1.196\u00b10.06 g\/cm\u00b3 | \u6761\u4ef6\uff1a\u6e29\u5ea620\u00b0C\uff0c\u538b\u529b760 Torr<br \/><strong>pH\u503c<\/strong>\uff1a4.0 \u2013 6.5<br \/><strong>\u603b\u6c2f\u542b\u91cf<\/strong>\uff1a&lt; 75<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-107a43a e-con-full fontik e-flex e-con e-child\" data-id=\"107a43a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-daaae3a elementor-widget elementor-widget-text-editor\" data-id=\"daaae3a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Price &amp; Availability<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bc72e6e elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"bc72e6e\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n    .product-table{\r\n        margin-bottom:0px;\r\n    }\r\n<\/style>\r\n\r\n\r\n<div class=\"product-table-container\">\r\n  <div class=\"table-border-wrapper\">\r\n    <div class=\"table-scroll-wrapper\">\r\n      <table class=\"product-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Cat nr<\/th>\r\n            <th>Stock<\/th>\r\n            <th>Quantity<\/th>\r\n            <th>Price<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>256<\/td>\r\n            <td>In stock<\/td>\r\n            <td>100 g<\/td>\r\n            <td>\u20ac90<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>256<\/td>\r\n            <td>In stock<\/td>\r\n            <td>500 g<\/td>\r\n            <td>\u20ac180<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>256<\/td>\r\n            <td>In stock<\/td>\r\n            <td>1 kg<\/td>\r\n            <td>\u20ac240<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>256<\/td>\r\n            <td>In stock<\/td>\r\n            <td>5 kg<\/td>\r\n            <td>\u20ac510<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n<style>\r\n.product-table-container {\r\n  width: 100%;\r\n  max-width: 100%;\r\n}\r\n\r\n.table-border-wrapper {\r\n  border: 1px solid #e0e0e0;\r\n  border-radius: 16px;\r\n  overflow: hidden;\r\n}\r\n\r\n.table-scroll-wrapper {\r\n  overflow-x: auto;\r\n  -webkit-overflow-scrolling: touch;\r\n}\r\n\r\n.product-table {\r\n  border-collapse: collapse;\r\n  background-color: white;\r\n  font-size: 14px;\r\n  color: #333;\r\n  width: 100%;\r\n  table-layout: auto; \/* allow columns to size automatically *\/\r\n  margin-bottom:0px;\r\n  \r\n}\r\n\r\n.product-table th { white-space: nowrap !important; }\r\n\r\n.product-table th,\r\n.product-table td {\r\n  padding: 14px 20px;\r\n  text-align: left;\r\n  white-space: nowrap; \/* default desktop look *\/\r\n  \r\n}\r\n\r\n.product-table th {\r\n  font-weight: bold;\r\n}\r\n\r\n@media (max-width: 768px) {\r\n  .table-scroll-wrapper {\r\n    overflow-x: hidden; \/* no scroll *\/\r\n  }\r\n\r\n  .product-table {\r\n    min-width: auto; \/* remove forced width *\/\r\n    width: 100%;\r\n  }\r\n\r\n  .product-table th,\r\n  .product-table td {\r\n    white-space: normal; \/* allow wrapping *\/\r\n    word-break: break-word; \/* break long words *\/\r\n    padding: 8px 10px;\r\n  }\r\n}\r\n\r\n@media (max-width: 480px) {\r\n  .product-table th,\r\n  .product-table td {\r\n    padding: 6px 8px;\r\n  }\r\n}\r\n\r\n\r\n\r\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3a7878 elementor-widget__width-inherit elementor-widget elementor-widget-html\" data-id=\"a3a7878\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"product-buttons secondbut\">\r\n  <button class=\"btn primary\">\u6279\u91cf\u8ba2\u5355<\/button>\r\n  <button class=\"btn secondary\">\u83b7\u53d6\u62a5\u4ef7<\/button>\r\n<\/div>\r\n\r\n<style>\r\n    .secondbut {\r\n        flex-direction: row;\r\n    \r\n    }\r\n    .secondbut button{\r\n        flex:1;\r\n    }\r\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ad045ad e-flex e-con-boxed e-con e-parent\" data-id=\"ad045ad\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-52e2dd6 e-con-full e-flex e-con e-child\" data-id=\"52e2dd6\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e82a5a5 maininfo elementor-widget elementor-widget-heading\" data-id=\"e82a5a5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Chain extension of polycondensates<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac79fba elementor-widget elementor-widget-text-editor\" data-id=\"ac79fba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Abstract<\/strong><\/p><p>In this chapter the preparation high molecular weight polycondensates is described via chain extension of regular polymers during a reactive processing step, as an alternative route for the solid-state post-condensation (SSP) process. It is shown that carbonyl biscaprolactam (CBC) is a very promising chain extender. Various polymers, such as poly(ethylene terephthalate) (PET), poly(butylene terephthalate (PBT), nylon-6 and nylon-6,6 were tested, and in all cases a strong increase of molecular weight was obtained. The viscosity level is controllable by the amount of CBC. The chain extended polymers are strictly linear, according to SEC and rheology measurements. A strict linear chain extension (no chain branching) is important in many applications. Most of the reactive extrusion work is done in the DSM micro-compounder, and some experiments are repeated in a ZSK30 extruder to confirm the results, and to improve the reliability of the translation to commercial equipments. The desired increase in molecular weight is obtained in 1 to 3 minutes, which is an acceptable time span for many applications. The resulting polymers are melt stable, since the chain extension reaction is completed within this residence time.<\/p><p><a href=\"https:\/\/actu-all.com\/wp-content\/uploads\/2017\/03\/Chapter3-1.pdf\">Publication Carbonyl Bis Caprolactam, used in recycling of PET and PEF<\/a>.<\/p><p>Loontjens, J. A. (2005). Performance materials by a modular approach Eindhoven: Technische Universiteit Eindhoven DOI: 10.6100\/IR594709<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>All Products Polymers &#8211; Biodegradable &amp; Bioco [&hellip;]<\/p>\n<a class=\"read-more\" href=\"https:\/\/4medchem.cn\/en\/product\/carbonyl-bis-caprolactam-cas-19494-73-6\/\">Read More \u2192<\/a>","protected":false},"featured_media":204,"comment_status":"open","ping_status":"closed","template":"elementor_header_footer","meta":[],"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":{"0":"post-787","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-all-products","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product\/787","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/comments?post=787"}],"version-history":[{"count":38,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product\/787\/revisions"}],"predecessor-version":[{"id":2475,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product\/787\/revisions\/2475"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/media\/204"}],"wp:attachment":[{"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/media?parent=787"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product_brand?post=787"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product_cat?post=787"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/4medchem.cn\/en\/wp-json\/wp\/v2\/product_tag?post=787"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}