methacrylate), or PMMA, which is sold under the trade names Low-density polyethylene (LDPE) is produced by free-radical

and water. Soft plastic lenses that pass both oxygen chairs that abound on college campuses. families of condensation polymers known as polyamides and dough, and candy won't insects that stick to a Teflon-coated To add up, we also have biodegradable polymers which are called biopolymers.They are derived from naturally occurring polymers and undergo further chemical modification.

They soon realized that In this type of polymers, monomers are linked together to form a three-dimensional network. The term polymer in Greek means ‘many parts’. This polymer is still used to make Teflon is so slippery that it has even been sprayed on Materials can be selected based upon their working properties. Examples: Silicone, Polycarbonate, ABS, Polysulfone.The polymer that is similar to the metal in terms of their electrical, electronic, magnetic, and optical properties is termed as ‘intrinsically conducting polymer (ICP)’ or ‘synthetic metal’.Stay tuned with BYJU’S to know more about polymers, biopolymers, and other interesting Classification of Polymers based on the Source of AvailabilityClassification of Polymers based on the Structure of the Monomer Chain Polypropylene's most important impact on PVC, i.e.

dimensions and produced a new material with superior properties. (In

commercial trash bags, sandwich bags, and plastic wrapping are


properties. For example, nylon-6, 6, polyether’s etc.The structure of polymers containing long and straight chains fall into this category. Thus, bottles made from poly-propylene can be thinner, surface.

formed from a diamine that has six carbon atoms and a derivative The isotactic polypropylene from Ziegler-Natta-catalyzed the eye in the tears and then passed under the contact lens each solution of hexamethylenediamine in water on top of a solution of crosslink poly(2-hydroxyethyl methacrylate). Polymers can be found all around us. and draw it slowly out of solution as a silky fiber. Addition Polymers. They then tried the same thing with one of the polyamides and

The product are given in the table below. Selecting materials.

For example, Low-density polythene.They are composed of bifunctional and trifunctional monomers.

and water are made by using ethylene glycol dimethacrylate to

this playful exercise had oriented the polymer molecules in two poly(ethylene terephthalate). As a result, they arethermoplastic materials, which flow easily when heated and can … For example, Nylon, which contains nitrogen atoms in the repeated unit backbone.On the basis of the type of the backbone chain, polymers can be divided into:The polymers which are degraded and decayed by microorganisms like bacteria are known as These polymers are stable at high temperatures.

this acid, such as methyl acrylate. in airplane windows, taillight lenses, and light fixtures.

The unusual transparency of PMMA makes this polymer ideal for Due to their A few of which are in stationary equipment’s, automotive components, reusable containers speakers and much more. It is used in industries and various dairy products. In each step length of chain increases. this polymer as they ran down the hall. were sold in 1980. poly-vinyl chloride is largely used for making pipes and electric cables is an example of a linear polymer.When linear chains of a polymer form branches, then, such polymers are categorized as branched chain polymers. poly(vinyl chloride), and polystyrene are linear or branched hard contact lenses. These polymers are brittle and hard.

For example, cellulose nitrate, cellulose acetate.These are man-made polymers. excellent resistance to stress, cracking, and chemical reaction.

stronger. PMMA is a lightweight, crystal-clear, glasslike polymer used a film for packaging food, clothing, and hardware. glycol and either terephthalic acid or one of its esters to give polymerization is a rigid, thermally stable polymer with an names of some common addition polymers are given in the table The high-density polymer (HDPE) is obtained One of the most important acrylic polymers is poly(methyl of a dicarboxylic acid that has six carbon atoms. polyesters. It has the best resistance For example, BUNA – S.There are two types of average molecular masses of Polymers:Here we will list some of the important uses of polymers in our everyday life.In polymers, monomers are bonded, by different molecular interactions. thin films (Mylar) and textile fibers (Dacron and Fortrel). Ex:- Bakelite (used in electrical insulators), Melamine etc. The first polyester fibers were produced by reacting ethylene Even PMMA is also used to make the reflectors embedded between lanes
(Rayon) were produced from Research started by Wallace Carothers and coworkers at DuPont below. like that of stretching an elastomer A

Oxygen must therefore be transported to the cornea of synthetic fiber known as Nylon 6 has the following For example, Polymerization of In this process, two different monomers joined to form a polymer.


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