polypropylene
noun
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Definition of polypropylene
: any of various thermoplastic plastics or fibers that are polymers of propylene
Examples of polypropylene in a Sentence
Recent Examples on the Web
The most common type was polypropylene, the plastic found in bottle caps, followed by polyethylene terephthalate (PET), the plastic found in the bottles themselves. — Cathleen O'grady, Ars Technica, "Plastic found in the poop of eight people from eight different countries," 24 Oct. 2018 Exxon Mobil said its new polypropylene plant would produce advanced materials for use in automobiles, appliances and packaging. — Katherine Blunt, Houston Chronicle, "Exxon Mobil considers building new Gulf Coast plastics plant," 20 Mar. 2018 The fuel for the motor is a hollow cylinder made from polypropylene, a plastic hard and strong enough to form a rocket’s outer casing. — The Economist, "A rocket that devours itself," 31 May 2018 Grow Bag Commercial growing bags are constructed of heavy, dense polypropylene. — Doug Hall, Good Housekeeping, "7 Ways To Grow Potatoes," 28 June 2016 The big contributors were packaging materials like polyethylene and polypropylene, paints, nylon, polyester, and cellulose acetate, primarily used in the manufacture of cigarette filters. — David Grossman, Popular Mechanics, "Researchers Discover Record Levels of Plastic in the Arctic Ocean," 24 Apr. 2018 Today, it’s made largely of polypropylene and is twice as strong. — Kathryn Miles, BostonGlobe.com, "Can anyone save the North Atlantic right whale?," 11 Apr. 2018 But the kinds of plastic typically used in plastic containers, like polypropylene, have a lower surface energy and are called hydrophobic. — C. Claiborne Ray, New York Times, "Why That Sippy Cup Won’t Dry in the Dishwasher," 2 Mar. 2018 It is lined with a thin coating of plastic to ensure its integrity when filled with hot liquid, and topped with a polypropylene plastic lid. — Benjamin Romano, ajc, "As coffee-cup controversy simmers, Starbucks vows to spend $10M to invent new ones," 21 Mar. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polypropylene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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