Chapter 32: Problem 3

Write shor note on (a) Silicon resins (b) Glass transition temperature (c) Polythiazyls

Short Answer

Expert verified

Silicon resins are silicone materials with wide applications due to their stability and resistance properties. Glass transition temperature is the temperature range where a polymer goes from a brittle state to a flexible state. Polythiazyls are polymers with metallic properties, including superconductivity.

Step by step solution

Understand Silicon Resins

Silicon resins are a type of silicone material that cures to a hardened state upon application. These resins are known for their excellent thermal stability, electrical insulating properties, and resistance to weather, moisture, and UV radiation. They have broad applications, including electronics, paints, and coatings, due to these unique properties.

Explore Glass Transition Temperature

The glass transition temperature (Tg) represents a range of temperatures at which an amorphous material (like a polymer) changes from a brittle, glassy state to a solid, rubbery state. Above the Tg, the material becomes more flexible and responsive to deformation. It's a critical parameter in understanding a polymer's properties.

Define Polythiazyls

Polythiazyls, also known as Poly sulfur nitride (SN)x, are a type of polymer that exhibits metallic properties. Interestingly, they were the first polymer discovered to show superconductivity, where they can conduct electricity with zero resistance below a certain temperature. They're of interest in the development of new materials with unique electrical properties.

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Write shor note on (a) Silicon resins (b) Glass transition temperature (c) Polythiazyls

Short Answer

Step by step solution

Understand Silicon Resins

Explore Glass Transition Temperature

Define Polythiazyls

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