<p class="MsoBodyText"><span lang="EN-GB">This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state <sup>13</sup>C-NMR spectrometry (nuclear magnetic resonance spectrometry):</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">Method A: inverse gated decoupling method;</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">Method B: insensitive nuclei enhanced by polarization transfer method.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.</span></p>
Registration number (WIID)
88256
Scope
<p class="MsoBodyText"><span lang="EN-GB">This document specifies two methods for the determination of co-monomer contents of polyethylene products by solution state <sup>13</sup>C-NMR spectrometry (nuclear magnetic resonance spectrometry):</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">Method A: inverse gated decoupling method;</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">Method B: insensitive nuclei enhanced by polarization transfer method.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to copolymers of ethylene having a content of other 1-olefinic monomers of less than a mass fraction of 50 %.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is not applicable to ethylene homopolymers or copolymers in which ethylene is polymerized with two or more type 1-olefin comonomers.</span></p>
