what's the polymer of the century and why?
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Teflon without a doubt. Used in everything from frying pans to aircraft and space shuttles. It is everywhere, from your bathroom to the clothing you wear.
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You can find the general structures through simple web searches.  Remember some of these are polymers and can have different versions based on chain lengths and copolymers.
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The first synthetic polymer produced was Bakelite in 1909
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polymere's and resins
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Thermoset polymers are called resins. When something is glass filled the glass is in fiberous form. So, in fact, Zytel glass filled thermoset polymer is just a type of glass fibre impregnated resin.\n\nDuPony's website will have the properties of there material.\n\nMy guess is that DuPont have a propriorty bonding agent on their glass to get improved adhesion and the obvious benefits to creep resistence and fracture dynamics that that would impart.
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how about the use of plastics in society.
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Dupont is a global leader in polymers.  They are a good place to start, and their website can refer you to their distributors.
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Macromolecules are generally consider to polymers, like plastics, proteins and nucleic acids.\n\nIn the environment, macromolecules include of of the least biodegradable substances of all--plastics.\n\nIn industry, plasics can do more jobs and are more vesatile than metals, they are generally cheaper and lighter as well.  There is also the use of enzymes in industry for things like decontamination of waste streams (which is also a matter for environmental concern).\n\nIn medicine, many biopharmaceuticals are actually protein products, like insulin for diabetics and Factor VIII for hemophyliacs.
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polymethacrylate resin is the synthetic polymer of methyl methacrylate. This thermoplastic and transparent plastic is sold by the tradenames Plexiglas, Perspex, Acrylite, Acrylplast, and Lucite and is commonly called acrylic glass or simply acrylic.
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Types of Polymers:\n1. Addition Polymers:eg. Polyetethne, Polyvinyl Cholride,Teflon, Neoprene, Natural Rubber etc.\n2. Condensation Polymers:eg. Nylon66, Polysterene etc.
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In 35 plus years of experience of materials sales , I can say without a doubt , that the materials used today are :\n1. Friendlier to the environment  2. More affordable \n3. Are safer to use  4. When used according to Manufacturer's recomendations, will provide superior performance.   \nIn summary : Developments in materials through research has made the above possible!
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Before the introduction of plastics in the building industry, cast iron, pressed steel and zinc were in common use for gutters and rainwater pipes.  When plastics were developed, PVC became the preferred plastic due to its lightness, ease of installation and resistance to deterioration. In my experience the time taken to fit plastic materials is approximately half to one third that of traditional materials.  Plastics are also smooth on the surface reducing resistance and allowing  water to flow more freely.
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Titanium..It's not just for breakfast anymore!!!!!!!!!!
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I would guess around 1920 or something...or atleast thats probably when they stopped using leather helmets...im not sure about the plastics though.
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Here is a link to a "Polymer Physical Property Comparison Chart."\nhttp://www.lauren.com/Technical_Info/physical_properties.asp
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British chemists, John Rex Whinfield and James Tennant Dickson, employees of the Calico Printer's Association of Manchester, patented "polyethylene terephthalate" (also called PET or PETE) in 1941, after advancing the early research of Wallace Carothers. The saw that Carothers's research had not investigated the polyester formed from ethylene glycol and terephthalic acid. Polyethylene terephthalate is the basis of synthetic fibers such as polyester, dacron, and terylene. Whinfield and Dickson along with inventors W.K. Birtwhistle and C.G. Ritchiethey also created the first polyester fiber called Terylene in 1941 (first manufactured by Imperial Chemical Industries or ICI). The second polyester fiber was Dupont's Dacron. \n\nAccording to Dupont, "In the late 1920s, DuPont was in direct competition with Britain’s recently formed Imperial Chemical Industries. DuPont and ICI agreed in October 1929 to share information about patents and research developments. In 1952, the companies’ alliance was dissolved... The polymer that became polyester has roots in the 1929 writings of Wallace Carothers. However, DuPont chose to concentrate on the more promising nylon research. When DuPont resumed its polyester research, ICI had patented Terylene polyester, to which DuPont purchased the U.S. rights in 1945 for further development. In 1950, a pilot plant at the Seaford, Delaware, facility produced Dacron [polyester] fiber with modified nylon technology." \n\nDupont's polyester research lead to a whole range of trademarked products, one example is Mylar (1952), an extraordinarily strong polyester (PET) film that grew out of the development of Dacron in the early 1950s. \n\nPolyesters are made from chemical substances found mainly in petroluem and are manufactured in fibers, films, and plastics. \n\nAccording to Dupont Teijin Films, "Plain polyethylene terephthalate (PET) or polyester is most commonly associated with a material from which cloth and high-performance clothing are produced (e.g., DuPont Dacron® polyester fiber). Increasingly over the last ten years PET has gained acceptance as a material of choice for beverage bottles... PETG, also known as glycolised polyester, is used in the production of cards... Polyester film (PETF) is a semi-crystalline film used in many applications such as videotape, high quality packaging, professional photographic printing, X-ray film, floppy disks, etc. " source Comparison of PETF, PETG and PET \n\nDuPont Teijin Films (founded January 1, 2000) is a leading supplier of PET and PEN polyester films whose brand names incude: Mylar ®, Melinex ®, and Teijin ® Tetoron ® PET polyester film, Teonex ® PEN polyester film, and Cronar ® polyester photographic base film. \n\nNaming an invention actually involves developing at least two names. One name is the generic name. The other name is the brand name or trademark. For example, Mylar ® and Teijin ® are brand names; polyester film or polyethylene terephthalate are the generic or product names
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reproduction is cheaper.\nIn todays business everyone is lookin for the short cut. Steel was dependable but ah lil more expensive to reproduce than plastic.