The molecules may have low or extremely high molecular weight, and they may be branched or linear in structure, but the essential feature is that of separability and consequent mobility. It should also be noted that these substances also have little cross-linking. Since extrusion, molding or pressing when exposed to heat can shape thermoplastics; it therefore offers versatility and a large range of applications.
This property of plastics allows for easy processing and facilitates
recycling; the majority of polymers are therefore thermoplastics. Examples;
Polyethylene- packaging, electrical insulation, milk and water bottles,
packaging film, house wrap, agricultural film Polypropylene- carpet
fibers, car bumpers, microwave containers Polyvinyl chloride (PVC)-
floor and wall coverings, siding, credit cards, car instrument panels.
Related Articles |
Related Links |
|
|
|
|
| ounces | ||
| drams | ||
| milliliters | ||
| liters | ||
| pints | ||
| quarts | ||
| gallons |
|
|
|
|
| inches | ||
| centimeters | ||
| millimeters |
| You have not viewed any items this visit. |