polypropylene

American  

[pol-ee-proh-puh-leen] / ˌpɒl iˈproʊ pəˌlin /

noun

Chemistry.

1. a plastic polymer of propylene, (C 3 H5 ) n , used chiefly for molded parts, electrical insulation, packaging, and fibers for wearing apparel.

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polypropylene British  

/ ˌpɒlɪˈprəʊpɪˌliːn /

noun

1. Systematic name: polypropene.  any of various tough flexible synthetic thermoplastic materials made by polymerizing propylene and used for making moulded articles, laminates, bottles, pipes, and fibres for ropes, bristles, upholstery, and carpets

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polypropylene Scientific  

/ pŏl′ē-prō′pə-lēn′ /

1. Any of various thermoplastic resins that are polymers consisting of repeated branched units derived from propane and having the formula CH ₂ CH(CH ₃), usually with the methane groups (CH ₃) all on one side of the chain. Polypropylenes are similar to polyethylenes but are harder and tougher and are used to make molded articles and fibers.

2. A fabric of fibers made from any of these resins.

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Etymology

Origin of polypropylene

First recorded in 1930–35; poly- + propylene

Example Sentences

In this case, the team targeted polypropylene, which is used in water bottles and many other plastic products.

From Science Daily

With the refinery closing, the main industry at the plant is now the production of chemicals like ethylene, polyethylene and polypropylene, which are components in the manufacture of plastics.

From BBC

The company's single-use coffee pods — also known as K-cups — are made of polypropylene plastic, a material that experts warn is not as recyclable as consumers have been led to think.

From Salon

This became possible through the use of random copolymers of polyethylene glycol, which adsorbs water well, and polypropylene glycol, which adsorbs water slightly less well.

From Science Daily

To get the mass, the team measured the total surface area of the plastic particles and incorporated a standard measure of thickness and density based on the most common microplastic waste types: polyethylene and polypropylene.

From Science Daily