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2. Polypropylene - Wikipedia

   en.wikipedia.org/wiki/Polypropylene

   Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene . Polypropylene belongs to the group of polyolefins and is partially crystalline and non-polar .

3. Plastic - Wikipedia

   en.wikipedia.org/wiki/Plastic

   Examples include polyethylene (PE), polypropylene (PP), polystyrene (PS), and polyvinyl chloride (PVC). [ 15 ] Thermosets, or thermosetting polymers, can melt and take shape only once: after they have solidified, they stay solid and retain their shape permanently. [ 16 ]

4. Engineering plastic - Wikipedia

   en.wikipedia.org/wiki/Engineering_plastic

   The currently most-consumed engineering plastic is acrylonitrile butadiene styrene (ABS), used for e.g. car bumpers, dashboard trim and Lego bricks. Engineering plastics have gradually replaced traditional engineering materials such as metal, glass or ceramics in many applications. Besides equalling or surpassing them in strength, weight, and ...

5. List of synthetic polymers - Wikipedia

   en.wikipedia.org/wiki/List_of_synthetic_polymers

   The plastic kits and covers are mostly made of synthetic polymers like polythene, and tires are manufactured from polybutadienes. [1] However, due to the environmental issues created by these synthetic polymers which are mostly non-biodegradable and often synthesized from petroleum, alternatives like bioplastics are also being considered.

6. Recycling codes - Wikipedia

   en.wikipedia.org/wiki/Recycling_codes

   Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.

7. Polyolefin - Wikipedia

   en.wikipedia.org/wiki/Polyolefin

   Polypropylene is commonly used in car bumpers, interior trims, and other components [19] where TiO₂ is added to improve the UV stability of the plastic, ensuring that parts do not degrade or lose color when exposed to sunlight over time. [20] Polyethylene films are widely used in agriculture for greenhouses, mulching, and silage wraps. [21]

8. Commodity plastics - Wikipedia

   en.wikipedia.org/wiki/Commodity_plastics

   Demand for plastic resins in Europe during 2017 as a percentage of total plastic demand. [1] A comparison of standard plastics, engineering plastics, and high-performance plastics Commodity plastics or commodity polymers are plastics produced in high volumes for applications such as packaging, food containers, and household products, including ...

9. Biodegradable plastic - Wikipedia

   en.wikipedia.org/wiki/Biodegradable_plastic

   A plastic is considered biodegradable if it can degrade into water, carbon dioxide, and biomass in a given time frame (dependent on different standards). Thus, the terms are not synonymous. Not all bioplastics are biodegradable. [44] An example of a non-biodegradable bioplastic is bio-based PET. PET is a petrochemical plastic, derived from ...