renewable to polymers Flashcards

1
Q

Fossil- based plastics-where they derive from? Give examples.

A

from petroleum, coal or natural gas, like: polyethylene, polypropylene (durable)
polycaprolactone, Polybutylene Adipate. (biodegradable)

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2
Q

Bio-based plastics-where they derive from? Give examples.

A

From biomass, like: bio-polyethylene, bio-polyamides (durable),
polylactic acid, polyhydroxyalkanoates (bio degradable)

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3
Q

Is it true that durable bio based plastics are not degradable?

A

yes

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4
Q

Is it true that Fossil-based biodegradable plastics are less persistent in nature?

A

yes

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5
Q

Name 2 bio-degradable biobased plastics

A

PLA-polylactic acid
PHA (Polyhydroxyalkanoates)

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6
Q

What does PET stand for?

A

polyethylene terephthalate

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7
Q

Which of these are fossil-based?

polyethylene, polypropylene,
polylactic acid, polyhydroxyalkanoates, starch blends, polybutylene Adipate

A

polyethylene, polypropylene, Polybutylene Adipate

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8
Q

Why PET (polyethylene terephthalate) is not a bioplastic?

A

its neither biodegradable (persists in environment) , nor biobased (fuel)

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9
Q

Is it true that Not all bio-based plastics are biodegradable
Not all biodegradable plastics are bio-based?

A

true

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10
Q

Where are bioplastics applied?

A

Packaging, agriculture- fertilizers encapsulated in biodegradable coatings,
kitchenware, shampoos, bottle packaging,
Textile-clothing fibers
Car parts
Components for laptops, phones.

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11
Q

Compare PEF and PET

A

PEF-polyethylenfurfurate VS PET polyethylene terephthalate
* PEF is bio based, while PET is fossil-based,
* Renewable feedstock, non-renewable feedstock
* Both are fully recycable
* PET is persistant in ecosystems, while PEF is not (biodegradable)

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