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Chem Ch 9

Plastics and Polymers

Whats the difference between plastics and polymers? All plastics are polymers
Polyvinyl Chloride PVC is used in garden hoses, plumbing pipe, charge cords, room keys, shower curtains
Thermoplastic can be melted (heated) then shaped and reshaped
Thermosetting one you heat it and it turns into something you can't reshape it
Low Density Polyethylene (LDPE) is used for bags, film, sheets, bubble wrap, toys, wire insulation
Addition Polymerization monomers add to the growing polymer chain in such a way that the product contains all the atoms of the stating material. No other products are formed.
Crystalline Regions where the long polymer molecules are arranged neatly and tightly in a regular pattern
High Density Polyethylene (HDPE) is used for milk jugs, juice jugs, detergent and shampoo bottles. Buckets, crates, fencing
Polystyrene (PS) is used for food wrap cd cases, transparent cups, foam cups, egg cartons
Polypropylene (PP) is used for bottle caps, yogurt, cream, and butter containers. Carpeting, casual furniture luggage
Polyethylene terephthalate (PETE or PET) is used for soft drink bottles, clear food containers, fleece fabrics, carpet yarns fiber fill insulation
Condensation polymerization usually two different monomers. Monomer units chemically bonded together.
All polymers, some natural, some synthetic proteins, nylon, polypropylene, polyethylene, polyurethane, wool
What are ways to reduce the amount of plastics in landfills? Recycling, biodegradation, incineration
Created by: averyhurst1



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