Through the addition of agents to the lipid membrane ... use covalent chemistry for direct drug conjugation (e.g., linear polymers). The second group includes hydrophobic interactions between ...

Poly(ethene) is an addition polymer. The table shows the structure of ethene and its polymer. Poly(chloroethene) is commonly known by the initials of its old name, PVC (poly vinyl chloride).

Alloys and polymers Alloys are mixtures of metals that have useful properties. Addition polymers are made from molecules containing C=C bonds. DNA, starch and proteins are biological polymers.