What is ISO/IEC 14882:2014 ?

EN ISO 14978:2014 is a widely recognized standard that provides guidelines for measuring the viscosity of polymers dissolved in a dilute solvent. This standard is critical in various industries, such as the plastic and chemical industries, as it helps manufacturers optimize production processes, ensure product consistency, and determine the appropriate applications for specific types of polymers.

The purpose of EN ISO 14978:2014 is to establish consistent procedures for measuring the viscosity of polymers in dilute solutions using capillary viscometers. This measurement is important in assessing the quality and behavior of polymer materials, as the viscosity plays a crucial role in determining the uniformity and quality of the polymer dispersion.

The key components of EN ISO 14978:2014 include the following:

Dilution: The standard outlines the procedures for preparing a dilute solution of a polymer in a solvent. The solvent used should be appropriate for the polymer and should be chosen based on its solubility in the solvent and its ability to dissolve in the product.

Capillary Viscometry: The standard outlines the procedures for using capillary viscometry to measure the viscosity of the polymer solution. This involves using a capillary tube to measure the resistance to flow through the solution.

Test Method: The standard defines the test method for measuring the viscosity of a polymer solution using capillary viscometry. This method involves the following steps:

* Sample preparation: The polymer solution should be prepared in a clean glass beaker using the appropriate method for the polymer.

* Test setup: The capillary viscometer should be set up with the appropriate flow rate and temperature.

* Measurement: The resistance to flow through the capillary tube should be measured as the sample is poured into the capillary tube.

* Recordation: The resistance to flow through the capillary tube should be recorded and reported in accordance with the standard.

In conclusion, EN ISO 14978:2014 is an important standard that provides guidelines for measuring the viscosity of polymers dissolved in a dilute solvent. By following this standard, manufacturers can optimize production processes, ensure product consistency, and determine the appropriate applications for specific types of polymers.