Chem Ch 9 Word Scramble
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Question | Answer |
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 |
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