Introduction

Glycols are a class of organic compounds. which is used in antifreeze and the production of polyester fibers.Glycols are used as antifreeze and heat transfer fluids, in the production of polyester fibers and resins like PET plastic, and as solvents and additives in consumer products there are two types of glycol, such as ethylene glycol and propylene glycol Glycols, most commonly ethylene glycol, are prepared industrially through the hydrolysis of an epoxide intermediate which is itself made from ethylene.