Plastics
are generally engineered to last, but with society’s ever-increasing immersion
into sustainability and their focus on protecting the environment, emphasis is
now being laid on designing plastics that will degrade faster. Environmentally
friendly plastics fall into three categories:
1.Bioplastics: They
are made from natural materials like corn and molasses.
2.Biodegradable
plastics: They are made from our main petrochemicals, engineered to
break down much faster.
3.Eco/Recycled
plastics: These are normal plastics made from recycled plastic materials
rather than using new petrochemicals.
Recycling is a feasible solution to the plastic
disposal problem – old materials like used bottles recycled into new ones like
clothing. Ecoplastic is a new product made from high-molecular polyethylene, it
is a replacement for wood, is used in making outdoor benches. Its manufacturers
boast of the product’s attractiveness, long life, and cheapness.
Two major limitations could be observed with
recycled plastic:
First, recycled plastic is generally not used
in making the same items the next tie round; for example old recycled plastic
bottles don’t produce new plastic bottles, but rather produce lower-grade items
like plastic benches.
Second,
unless recycled plastics are produced with a net saving of energy and water, a
decrease in GHG (greenhouse gas emissions), or some overall environmental
benefit, they can’t be assumed better for the environment. Keeping waste out of
landfills and transforming them into useful articles is superb, but what if
huge amounts of energies are needed for the collection and recycling of the
plastic, or worse, more costly than making brand new plastic products?
Works Cited
History
of Plastics. (2015). Retrieved May
21, 2015, from SPI - The Plastics Industry Trade Association:
www.plasticsindustry.org
Knight, L. (2014, May
17). A Brief History of plastics, natural and synthetic. Retrieved May
16, 2015, from British Broadcasting Corporation - BBC:
http://www.bbc.com/news/magazine-27442625
Lytle, C. L. (2015). When
The Mermaids Cry: The Great Plastic Tide. Retrieved April 15, 2015, from
Plastic Pollution: http://plastic-pollution.org/
North, E., & Rolf,
H. (2014). Plastics and Environmental Health: The Road Ahead. Reviews on
Environmental Health, 28(1), 1-8. doi:10.1515/reveh-2012-0030
PlasticsEurope. (2015).
What is plastic? Retrieved May 13, 2015, from PlasticsEurope:
http://www.plasticseurope.org/what-is-plastic.aspx
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