PharmacokineticsIn all studied species (horse, dog, cattle and sheep) the pharmacokinetics of xylazine is best described by a 2-compartment model with a rapid distribution phase. The half-life of distribution is Â½-6 minutes and the half-life of elimination is 23-50 minutes, depending on species.
Polyester is a synthetic fiber derived from coal, air, water, and petroleum. Developed in a 20th-century laboratory, polyester fibers are formed from a chemical reaction between an acid and alcohol. In this reaction, two or more molecules combine to make a large molecule whose structure repeats throughout its length.
Jupiterimages/Photos.com/Getty Images. Polyester is a durable, easy-care synthetic fabric made from petroleum byproducts. It can be manufactured in a variety of weights and textures. Polyester is used for a wide range of applications, including clothing, home furnishings and industrial fabrics.