Rashes Due to HIV Medication. HIV rashes often appear as either a side-effect of, or an allergic reaction to certain antiretroviral medication. NNRTI medication: Causes the majority of skin rashes, with nevirapine rashes being the most severe. Women are at a particular risk of developing nevirapine rashes.
Nylon was the first commercially successful synthetic thermoplastic polymer. Commercially, nylon polymer is made by reacting monomers which are either lactams, acid/amines or stoichiometric mixtures of diamines (-NH2) and diacids (-COOH). Mixtures of these can be polymerized together to make copolymers.
What's the difference between plastics and polymers and elastomers? Polymer is the chemical term for a long chain molecule often made of repeating monomer chemical units. Synthetic plastics, DNA, cellulose from wood and other natural products are all polymers.hat's the difference between plastics and polymers and elastomers? Polymer is the chemical term for a long chain molecule often made of repeating monomer chemical units. Synthetic plastics, DNA, cellulose from wood and other natural products are all polymers.