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thermocol is the common name for air bubbled polystyrene.

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Is styrofoam the same as polystyrene?

They are made from the same polymer, polystyrene. Usually polystyrene is clear, hard and rigid, for example in CD cases. However, styrofoam is created by blowing air through liquid polystyrene. The bubbles are locked in the polystyrene as it solidifies, giving the syrofoam used in packaging and cups. The reason it is compressible is because the air is compressed, rather than the hard, rigid polystyrene itself.


How does polystyrene help insulate?

Polystyrene helps insulate by trapping air within its structure, which reduces heat transfer through conduction. The air pockets in polystyrene limit the movement of heat energy, making it an effective insulating material. Additionally, polystyrene's low thermal conductivity further helps in maintaining internal temperatures.


Why is polystyrene brittle?

Unfilled polystyrene is also known as crystal polystyrene (PS) or general purpose polystyrene (GPPS). However, since crystal polystyrene is brittle, other polymers are added to polystyrene to improve its strength, and copolymers are formed as a result. One such copolymer is high impact polystyrene (HIPS), which is produced by adding polybutadiene rubber to polystyrene during the polymerization process. HIPS is tougher and has a greater impact strength than unfilled polystyrene. There are different types of polystyrene. Extruded polystyrene (XPS) is one form of the polymer that has high tensile strength, with good elasticity. It is commonly known as Styrofoam™. The other common form of polystyrene is expanded polystyrene (EPS). Both EPS and XPS are made from similar materials but there are difference between the two. XPS has a higher density as compared to EPS, due to the absence of air passages between its cells. The higher density makes XPS more rigid and strong. Also, XPS is waterproof and is an effective thermal insulator. Read more in the related link.


Why is polystyrene good for ear defenders?

Polystyrene is lightweight and provides good insulation properties, making it effective at reducing noise penetration in ear defenders. Additionally, it is durable and can be molded into shape easily to provide a comfortable fit for the user.


What makes Styrofoam fluffy?

It is expanded polystyrene. The solid plastic contains millions of tiny bubbles of gas or air. It is the bubbles that make it fluffy- and a great insulator and shock absorbing material.

Related Questions

Is styrofoam the same as polystyrene?

They are made from the same polymer, polystyrene. Usually polystyrene is clear, hard and rigid, for example in CD cases. However, styrofoam is created by blowing air through liquid polystyrene. The bubbles are locked in the polystyrene as it solidifies, giving the syrofoam used in packaging and cups. The reason it is compressible is because the air is compressed, rather than the hard, rigid polystyrene itself.


Is Polystyrene a good thermal conductor?

No, polystyrene is a poor thermal conductor. Its structure with trapped air pockets makes it a good insulator, which means it does not conduct heat well. This makes polystyrene commonly used in thermal insulation applications.


Why would a polystyrene cup be a good insulator of heat?

Polystyrene is a substance that when in a solid state has a lot of holes. These holes trap air inside them and since air is a good insulator, the polystyrene cup is a good insulator. *Air is only a good insulator when not moving, hence why a breeze feels cold.


What is the phase of a dispersed material in styrofoam?

The dispersed material in styrofoam is air. The air is trapped within the polymer matrix of polystyrene beads, giving styrofoam its lightweight and insulating properties.


Is polystyrene a conductor?

polystyrene along with other porous (objects which have a lot of air in them) such as Styrofoam water, wood and other materials are insulators, not conductors.


Is polystyrene a good thermal insulator?

yes it is because of all the air bubbles in it


How does polystyrene help insulate?

Polystyrene helps insulate by trapping air within its structure, which reduces heat transfer through conduction. The air pockets in polystyrene limit the movement of heat energy, making it an effective insulating material. Additionally, polystyrene's low thermal conductivity further helps in maintaining internal temperatures.


Why are cool boxes lined with expanded polystyrene with air bubbles in it?

Air is a poor conductor of heat. Likewise, the thin walls of the bubbles of polystyrene are poor conductors. Bubbles of air, rigidly fixed in a polystyrene matrix, cannot transfer heat by convection. That leaves reducing radiation as the only unaddressed mechanism for controlling heat loss. Its low cost and ability to be molded makes expanded polystyrene an economical choice for an effective insulator.


What gas is used in refrigerator and air conditioner?

Common name is Freon.Common name is Freon.


Why is polystyrene brittle?

Unfilled polystyrene is also known as crystal polystyrene (PS) or general purpose polystyrene (GPPS). However, since crystal polystyrene is brittle, other polymers are added to polystyrene to improve its strength, and copolymers are formed as a result. One such copolymer is high impact polystyrene (HIPS), which is produced by adding polybutadiene rubber to polystyrene during the polymerization process. HIPS is tougher and has a greater impact strength than unfilled polystyrene. There are different types of polystyrene. Extruded polystyrene (XPS) is one form of the polymer that has high tensile strength, with good elasticity. It is commonly known as Styrofoam™. The other common form of polystyrene is expanded polystyrene (EPS). Both EPS and XPS are made from similar materials but there are difference between the two. XPS has a higher density as compared to EPS, due to the absence of air passages between its cells. The higher density makes XPS more rigid and strong. Also, XPS is waterproof and is an effective thermal insulator. Read more in the related link.


What is the most common name for the alveoli?

air sac


How does polystyrene keep the water warm?

Polystyrene is an effective insulator due to its low thermal conductivity, which minimizes heat transfer. When used to cover or contain water, it reduces heat loss by preventing the escape of warmth from the water into the cooler surrounding air. Additionally, polystyrene traps air in its structure, which further enhances its insulating properties. As a result, water remains warm for a longer period.