Chemical Recommp; amp; Materials Engineering
Calculating Chemical Resistance of Polymers: Methods andApplication Examples
Table of Contents
Zrozumiałe, że chemical resistance of polimers is essential for selecting approvate materials for various industrial applications. This article explores contact methods used to to evaluate chemical resistance and provides practial examples of their application.
Methods for Assessing Chemical Resistance
Several standaryzed tests are used to determinate how polimers with stand exposure to o chemicals. These methods help previd the durability and d longevity of materials in specific environments.
Techniki Common Testing
Key techniques include inmersion testing, where samples are submerged in chemicals for a set period, and surface analyses, which chich examinas changes in appearance or structure. Other methods involvne measuruing weight loss or dimensional changes to quantify fy y resistance.
Wnioskodawca
In thee chemical industry, polimers like polypropylene andd PTFE are tested for resistance to acids andsolvents. For instance, PTFE exhibits high resistance to most chemicals, making it approbable for lining tanks andd pipes. Conversely, certain polimers may degrade or swell whell exposed to to aggressive chemicals, indicating their unacparability for specific uses.
- Immersion testing
- Analizatory powierzchniowe
- Waga zmierzenie zmiany
- Ocena stabilizacyjna wymiaru