ASTM D Standard Test Method for Determining Inherent Viscosity of Poly( Ethylene Terephthalate) (PET) by Glass Capillary Viscometer. This standard is issued under the fixed designation D ; the number specified in this ASTM test method is one of the options in the ISO method. ISO also. Find the most up-to-date version of ASTM D at Engineering

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The ratio of the natural logarithm of the relative viscosity to the mass concentration of the polymer.

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. The ratio of the difference between the viscosities of solution and solvent to the viscosity of the solvent. C using the same 1B size of suspended-level Ubbelohde type viscometer for both measurements.

The method requires that three successive flow times are obtained within 0. Solvent and solution flow times are measured at 30 deg.

ISO also uses Type 1C Ubbelohde viscometer, rather than the 1B, and reports viscosity number, rather than inherent viscosity.

ASTM D4603 – 18

Contact us If you have any questions about this privacy policy, please d403 us. Personally identifiable information may include, but is not limited to your name. The ratio of the viscosity of the solution to the viscosity of the solvent.

Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. The polymer is first weighed and then dissolved in an appropriate solvent. Highly crystalline forms of PET that are not soluble in this solvent mixture will require a asttm procedure.

It is used for polymers that dissolve completely without chemical reaction or degradation and can provide an excellent determination of lot-to-lot consistency or be used to compare molded parts to original resin for determinations of degradation from molding. You must have JavaScript enabled in your browser to utilize the functionality of this website. The solution and viscometer are placed in a constant temperature water bath.


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PET – Intrinsic Viscosity – ASTM D4603

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The ratio of the relative viscosity increment to the mass concentration of the polymer. By using the site, you agree to the collection and use of information in accordance with this policy. Cookies are sent to your browser from a web site and stored on the hard drive of ast, computer. Log data Like many other site operators, we collect information that your browser sends whenever you visit our site. The RPV-2 software automatically calculates the Intrinsic Viscosity from each single determination using the Billmeyer equation.

The test method requires a 0. Historical Version s – view previous versions of standard. To request a quote for this test or others Click Here. If you do not agree you should not continue to use this website. Dilute Solution Viscosity is used as an indication of the molecular weight of polymers. My Account Log In. The limiting value of the reduced viscosity or the inherent viscosity at infinite dilution of the polymer.

Dilute Solution Viscosity of Polymers.

Inherent / Intrinsic / Relative Viscosity ASTM D D D

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The property of resistance of flow exhibited within the body of a material. These cookies allow us to distinguish you from other users of our website, which helps us to provide you with a good experience when you browse our website and also allows us to improve our site.

Commonly a sample size of mg. The values given in parentheses are for information only. If the material is filled, it v4603 important to specify percent filler. d403

PET – Intrinsic Viscosity – ASTM D – RPV-2 Polymer Viscometer – Automated Viscometers

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Thermal equilibrium is obtained within the solution. Dissolution is carried out using a reaction block with stirring and heating at deg.