Biomaterials - Synthetic polymers

6 important questions on Biomaterials - Synthetic polymers

What kind of atoms are in polypropylene?

PP (polypropylene) is based of carbon and hydrogen atoms.

What is the difference between an aramide and an amide?

An aramide is a high performance material and an amide is more a versatile material.

Kevlar consists of aromatic rings, what is the purpose of these rings?

The aromatic rings take care of ordering the fibers in very dense structures.
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What is the difference between an ester bond and an amide bond?

Ester bonds are hydrolytically more unstable than amide bonds.

Why gives the aromatic rings PET a stable structure?

The aromatic rings prevents water from attacking the ester bonds, which makes the polymer stable.

What is the characteristic of a hydroxy group?

The material is very hydrophilic, which means water can bind.

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