Polymers are those which consists of repeated structural units known as monomers. Polyester, a class of synthetic polymers built up from multiple chemical repeating units linked together by ester (CO-O) groups. Each repeating unit is known as “-mer” or basic unit with “poly-mer” meaning many repeating units. The word ‘polymer’ consists of the words ‘poly’ which means many and ‘mer’ stands for part or unit. Solution: Polyester (Poly+ester) is a category of polymers, made up of the repeating units of a type of chemicals called ester. dna is a polymer , which means that is made up of many repeating single units . In the image below, you can see repeating units of isoprene after isoprene is turned into a natural rubber. A polymer consists of a backbone, made up of repeating units. ... made up of small repeating units. Microfiber is 100 percent polyester. Polyethylene is considered to be as one of the simplest polymer, it has ethene or ethylene as the monomer unit whereas the linear polymer is known as the high density polyethylene-HDPE. A polymer can also be inorganic , in which case there may be atoms such as silicon in the place of carbon atoms. A polymer is made up of repeated subunits. The most common “backbones” for polymers are chains of carbon or silicon, each of which can bond to four other atoms. The simplest definition of a polymer is a useful chemical made of many repeating units. Although polymers of this kind might be considered to be alternating copolymers, the repeating monomeric unit is usually defined as a combined moiety. Polyester is a kind of plastic made from petroleum. Let us see what polyesters are made of. For example, a repeating unit in the chemical structure of natural rubber is isoprene. Polyester fibres are strong, resistant to stretching and shrinking. Polymers are made up of various molecules join together to form long chains or in other words polymer is a useful chemical made up of repeating units. Polymers are used in agriculture, industry, medicine, sports equipments etc. Polyester is made of repeating units of a chemical called ‘ester’. Naturally occurring and synthetic polymers can be formed from a variety of monomers. (Ph = Phenyl) What is the common name for the polymer… What is a polyester composed of? what are the monomers called? Polymers, whether natural or artificial, are big molecules made by linking up smaller repeating chemical units. In an organic polymer , the monomers are joined by the carbon atoms of the polymer backbone or chain . Synthetic polymers are those which are human-made polymers. PET consists of polymerized units of the monomer ethylene terephthalate, with repeating (C 10 H 8 O 4) units. polymer is a large molecule composed of many repeated units. 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