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No, it's an exceedingly unnatural material. For complicated reasons, if you polymerize ethylene, you get polyethylene, but if you polymerize propylene, you get ... polyethylene again. You have to use trickery (usually in the form of a Ziegler-Natta catalyst) to get polypropylene.
Wiki User
∙ 12y ago
Wiki User
∙ 14y agoMost are. There are a few natural polymers, like rubber and cellulose.
Wiki User
∙ 13y agoMany plastics are manmade. However there are a range of plastics like cellulose that are formed by plants and other materials, like spider silk, that are protein plastics.
Wiki User
∙ 11y agoplastics mostly are made man made material.
Wiki User
∙ 11y agoit is man made for sure
Wiki User
∙ 12y agono it is man made
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Is sand man made or natural?
some is natural but some is man made
Is velvet man made or natural?
Velvet is man made
Spandex is natural or man made?
Man made.
Difference between natural process and man-made process?
natural process is a process in whichit is naturally without any plan occured and the man made proceess is a process which is done by man.
Is cashmere man made or natural?
Naturaul :)
What are the raw materials of polypropylene?
Polypropylene is made primarily from oil or natural gas, though it can be made from coal.
What is a natural resource used to make polypropylene?
it is made of crude oil.
What is the difference between polypropylene and cotton?
cotton comes from a plant and polypropylene is man made. i think you already knew that though?
Is fur natural or man made?
It is natural but there are man-made imitations.
What is polypropylene made of?
Polypropylene is a flexible and tough thermoplastic polymer. It is made of propylene monomer that undergoes pressure and heat with a catalyst system.
Is canvas natural or man-made?
It can be made from natural or man made fibres.
Is the great plain man made or natural feature?
natural feature
Is concrete natural or man made?
Is limestone natural or man made
What do topographic map symbols represent?
Man-made and Natural Resources
Is copper man made or natural?
it is all natural
How can you know if some plastics are made of polypropylene?
Polypropylene float on oil.
Is rubber man made?
Rubber is man-made but has natural agents.
