Polymers and composites

Composites are materials made from two or more different __________.

Composites are materials made from two or more different __________.

substances.

One advantage of composites is that they can be lighter than __________ materials.

traditional.

The __________ is a polymer that is commonly used to make plastic bags.

polyethylene.

Polymers are large molecules made up of repeating __________.

units.

The process of creating a polymer from smaller molecules is called __________.

polymerization.

The combination of resin and fiber is essential in creating a __________ material.

composite.

A common example of a composite material is __________.

fiberglass.

Thermosetting plastics set permanently when __________.

heated.

The __________ of a composite material depends on its matrix and reinforcement.

strength.

__________ are natural or synthetic materials that consist of long chains of molecules.

Polymers.

A characteristic feature of thermoplastics is that they can be __________ multiple times.

molded.

Reinforcement fibers in composites can be made from __________ or glass.

carbon.

In composites, the matrix surrounds and binds the __________ together.

reinforcements.

The specific arrangement of molecules in a polymer influences its __________ properties.

physical.

The environmental impact of polymer disposal is an important __________ today.

concern.