Synthetic Polymers
Polyurethanes & Their Applications
Polyurethanes (PURs) are the most demanding type of polymers in the
present era, because of the versatility in properties and in the
synthesis. The one shot method of mixing and prepolymer method are used
in the production of PUR. As a large number of ingredients are available
for the synthesis of PUR, a good variety with tunable properties can be
obtained.
Importance of PUR materials:
- PURs have been the unsubstituted components in the furniture industry 🛌.
- PURs have been used as the implants and biodegradable membranes in the medical field 👩⚕️.
- PURs are available as soft foams and hard tooling materials 🧱.
- Thermoplastic elastomers of PURs are the most wanted materials in the industry 🧰.
The generation from natural sources and recyclability are the attractive
advantages of PURs. Synthesized PURs can be characterized via
spectroscopy, calorimetry, and scattering techniques. They maintain the
versatility in the results. Phase separated structure of TPURs and the
induced crystallinity are interesting to study. Phase separation and
crystallinity are temperature dependent features of PURs
(Arunima Reghunadhan, Sabu Thomas, in Polyurethane Polymers, 2017).
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