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polypropylene
[ pol-ee-proh-puh-leen ]
noun
, Chemistry.
- a plastic polymer of propylene, (C 3 H 5 ) n , used chiefly for molded parts, electrical insulation, packaging, and fibers for wearing apparel.
polypropylene
/ ˌpɒlɪˈprəʊpɪˌliːn /
noun
- 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 Systematic namepolypropene
polypropylene
/ pŏl′ē-prō′pə-lēn′ /
- 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.
- A fabric of fibers made from any of these resins.
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Word History and Origins
Origin of polypropylene1
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