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<p class="MsoBodyText"><span lang="EN-GB">This document specifies the general principles of a method for determining the dynamic rheological properties of polymer melts at angular frequencies typically in the range of 0,01 rad s<sup>-1</sup> to 100 rad s<sup>-1</sup> by means of an oscillatory rheometer with a parallel-plate or a cone-and-plate geometry. Angular frequencies outside this range can also be used.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The method is applicable for determining values of the following dynamic rheological properties: complex shear viscosity <em style="mso-bidi-font-style: normal;">η</em>*, dynamic shear viscosity <em style="mso-bidi-font-style: normal;">η</em>', the out-of-phase component of the complex shear viscosity <em style="mso-bidi-font-style: normal;">η</em>”, complex shear modulus <em style="mso-bidi-font-style: normal;">G</em>*, shear loss modulus <em style="mso-bidi-font-style: normal;">G</em>”, shear storage modulus <em style="mso-bidi-font-style: normal;">G</em>', phase angle <em style="mso-bidi-font-style: normal;">δ</em>, and loss factor tan<em style="mso-bidi-font-style: normal;">δ</em>. It is suitable for measuring complex shear viscosity values typically up to ~10 MPa s.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>The shear loss modulus G´´ is sometimes also called viscous shear modulus and the shear storage modulus G´ is sometimes also called elastic shear modulus.</span></p>
Reģistrācijas numurs (WIID)
84510
Darbības sfēra
<p class="MsoBodyText"><span lang="EN-GB">This document specifies the general principles of a method for determining the dynamic rheological properties of polymer melts at angular frequencies typically in the range of 0,01 rad s<sup>-1</sup> to 100 rad s<sup>-1</sup> by means of an oscillatory rheometer with a parallel-plate or a cone-and-plate geometry. Angular frequencies outside this range can also be used.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">The method is applicable for determining values of the following dynamic rheological properties: complex shear viscosity <em style="mso-bidi-font-style: normal;">η</em>*, dynamic shear viscosity <em style="mso-bidi-font-style: normal;">η</em>', the out-of-phase component of the complex shear viscosity <em style="mso-bidi-font-style: normal;">η</em>”, complex shear modulus <em style="mso-bidi-font-style: normal;">G</em>*, shear loss modulus <em style="mso-bidi-font-style: normal;">G</em>”, shear storage modulus <em style="mso-bidi-font-style: normal;">G</em>', phase angle <em style="mso-bidi-font-style: normal;">δ</em>, and loss factor tan<em style="mso-bidi-font-style: normal;">δ</em>. It is suitable for measuring complex shear viscosity values typically up to ~10 MPa s.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>The shear loss modulus G´´ is sometimes also called viscous shear modulus and the shear storage modulus G´ is sometimes also called elastic shear modulus.</span></p>
