Polymers {plastic, chemistry}| can have hydrocarbon subunits. Thermoplastics melt if heated. Thermosetting plastics do not melt if heated. Plastics can have covalent or hydrogen bonds that cross-link polymer chains.
types
Nitrocellulose was first plastic [1879] and comes from cellulose. It was in the first billiard balls and then in dental plates and Celluloid shirt collars. Nitrocellulose is in combs, brushes, eyeglass frames, film negatives, and car lacquer.
Cellulose acetate was second plastic invented, comes from cellulose, coats fabric-covered airplanes, is in model airplane glue, and is in nail polish, mixed with acetone.
Polyethylene comes from ethylene.
Polystyrene comes from styrene.
Polyvinyl chloride or PVC comes from vinyl chloride.
Acrylic comes from acrylonitrile.
Polyester comes from ethylene glycol and propylene glycol.
Nylon comes from amide.
Physical Sciences>Chemistry>Organic>Chemical>Polymer
5-Chemistry-Organic-Chemical-Polymer
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Date Modified: 2022.0224