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properties of polymers essay
essay on polymers
importance of polymers in daily life
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Polymers are always been around everywhere we go and have been increasing as time goes on. From its inception until today, polymers have enhanced our quality of life. The common questions asked here are usually what they are, where can I find them, where did they come from, how they are made, and what are some future possibilities? The first thing you might want to know about polymers is what they are.
Polymers can be very complicated and you can do into great depth to what they are. “Polymers are molecules which consist of a long, repeating chain of smaller units called monomers.” The next question would be what monomers are. Monomers are atoms about 4-10 atoms in size. When monomers are combined together they create polymers. (Anissimov) Polymers are simply a very long chain of atom chemically bonded together. When polymers form together they can form three different type of configurations or they patterns in which the atoms or bonded together. The three configurations are Homopolymer, Copolymer, and Graft polymer.(Teegarden)
Polymers are everywhere even if you might not know it. Polymers have always been always been everywhere but now there are even more and still growing. We are made out of many polymers are DNA, muscles, and bones are polymers. Today we make synthetic polymers. Today there is a lot of thing s that is made of synthetic polymers. A couple examples of these are clothes, plastics, and packaging. As polymers get more advances we will see them even more often. Polymers has already in almost every food item. They add polymers to protect them physically against microorganisms, water, and etc.(Teegarden)(Plastics and Polymers )
Polymers have a rich history to go along with I uses today. Humans using polymers ...
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...a purpose. Polymer has increased our quality of life. Polymers will always be getting but with the research that keeps going on and on.
Works Cited
Anissimov, Micheal. What are Polymers? 11 October 2009. 31 October 2009 .
Future of Plastics: Designing Tomorrow's Sustainable Polymer. 12 December 2008. 5 November 2009 .
History of Polymers. 31 October 2009 .
Plastics and Polymers . 2009. 4 November 2009 .
Teegarden, David. Polymer Chemistry Introduction to an Indispensable Science. New York: NSTA Press National Science Teachers Associat, 2004.
Walton, David and Phillip Lorimer. Polymers. New York: Oxford University Press, 2005.
The purpose of this experiment was to create a polymer by reacting a mixture of decanedioyl dichloride and dichloromethane with a mixture of water, 1,6-hexadiamine and sodium carbonate. Specifically, we created the polymer Nylon-6,10. Nylon-6,10 polymers are used in a vast majority of things we use in everyday life such as zippers, the bristles in brushes, and even car parts. This experiment was different from the industrial method of making nylon because that takes place at a much higher temperature. A polymer is a substance that has a structure made of similar or identical units bonded together. All polymerizations fall into two categories: step-growth and chain-growth (both of which we used to form our polymer). Step growth polymerization
rapid development of polymer chemistry after World War II a host of new synthetic fibers
Service life The effect of fillers on polymers is that they are very beneficial because they don’t get ruined for a long time. Glass fillers are the most commonly used fillers in polymers. This is because they last longer and their service life is longer.
Polymer creatures are very fascinating, because they can grow when put in liquids, and experiments are going to be conducted relating to this growing. A polymer is a very long chain of molecules strung together (What). Polymers are very versatile, and can have almost limitless colors and characteristics (Definition). One of these qualities is absorbency, and some can absorb as much as five hundred times their weight in water (Growing). It is hypothesized that if the polymer creatures are submerged in water for a day it will at least double in size, while it will not grow as much when put in Sprite.
The synthesis of polymers starts with ethylene, (or ethene). Ethylene is obtained as a by-product of petrol refining from crude oil or by dehydration of ethanol. Ethylene molecules compose of two methylene units (CH2) linked together by a double carbon
The production of polyolefin was started in the research laboratories. Polyethylene was the first created polyolefin in 1933 at Imperial Chemical Company by E.W. Fawcett and R.O. Gibson. The production of polyolefin is expected to achieve 100 million of metric
Polymer-Polyethylene is partially crystalline as well as amorphous because it has crystalline and amorphous regions. Also it has linear chains so this is the simplest structure compared to a branched or network chain. This can be of an advantage to it over other types of materials as its good toughness and elongation makes it very significant in the engineering industry as it can be moulded or extruded into shape...
Polyethylene is a polymer that is made of a long chain of CH2 monomers bonded together. It is one of the most commonly used polymers in everyday items. Grocery bags, soap bottles, children’s toys, and even bullet proof vests are all made from polyethylene.2 This polymer is very versatile and can be used in many materials but this all depends on the way that the polymer is chemically made or enhanced. There are many different types of polyethylene classified by density and branching. 2
Polypropylene is one of those most versatile polymers available with applications, both as a plastic and as a fiber, in virtually all of the plastics end-use markets.[3]
Naturally occurring polymers will be proteins like silk. It will definitely depend on the type of polyamide being made because they will take many different forms such as, Nylons can help to make the inner structure of tires but can also take the shape of solids and used for machine parts and Kevlar is used in bulletproof vests. When describing the properties of polyamides it will need to be done based on the type of polyamide so I will be describing the chemical and physical properties of Nylon 6 a polyamide fiber. Nylon 6 has a density of 1.14 g/c.c, a melting point of 215℃, it also has a very good elasticity, its natural color is going to be white but it can be dyed, and has the ability to protect heat up to 150℃. The main chemical property of Nylon 6 is it is an organic solvent which means it becomes soluble in any dense acid or phenol. You have almost definitely used polyamides there are polyamides in tents, toothbrush bristles, rope, they don't have to be fibers they are sometimes used for gears, lots of times polyamides are used in packaging. Polyamides are used because they are so strong
Polymers and plastics, particularly polyethylene, polypropylene, polyvinyl chloride, polyethylene, terephthalate, polystyrene & polycarbonate involve about 80% of the business' yield around the world. Chemicals are utilized to make a wide mixture of buyer products, and additionally a huge number of inputs to agribusiness, assembling, development, and administration commercial ventures. The substance business itself devours 26 percent of its own yield. Chemicals are almost a $3 trillion worldwide endeavor, and the EU and U.S. substance organizations are the world's biggest makers.
Polymers popularly coined as “plastics” have proved their importance in different areas like FMCG, pharma, automobiles, etc. Plastics are versatile materials with unique properties like high strength to weight ratio, good aesthetics; good Processability, balanced engineering properties and optimum cost led its entry into medical
"polyethylene (PE)." Encyclopaedia Britannica. Encyclopaedia Britannica Online Academic Edition. Encyclopædia Britannica Inc., 2014. Web. 10 Apr. 2014. .
Polymers are some of the core factors that enable the continuation of life, which is both the natural and the synthetic ones. Over time since the beginning of life, natural polymers were the main supports to living things. Eventually, in line with human development, synthetic polymers has become a valuable addition to the available and usable polymers.
First, understanding the basics of polymers. Polymers are very large molecules formed by combining many smaller molecules together chemically. The starting molecules of polymers is called monomer which on combination forms random co-polymers. Co-polymers like SBR are widely used as a modifier in asphalt mix. They are very widely used for preventive pavement maintenance technique in cold weather like in chip seals, slurry seal, cold recycled mix and micro-cracking.