By: Annelise Dayana Brandee.  A polymer is a substance that has a molecular structure built up from a large number of similar molecules bonded together!!

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Presentation transcript:

By: Annelise Dayana Brandee

 A polymer is a substance that has a molecular structure built up from a large number of similar molecules bonded together!!  Examples of Polymers are:

 In the 1500’s, British Explorers found that the Mayan’s used first polymers to make rubber balls for children to play with.  Then, in 1839, Charles Goodyear discovered vulcanization. He combined rubber and sulfur to 270°F; this made rubber which is used in tires today.

tle=A_Brief_History_of_Rubber&video_id=

 So in 1907, Leo Baekeland fabricated the first recorded synthetic plastic and it was used as an electrical insulator.  In 1917, x-ray crystallography was invented. Eight years later, M. Polanyi used it to discover the chemical structure of cellulose. This proved that polymer unit cells contain sections of long chain molecules.

 Then, in 1920, Staudinger published a paper called “Uber Polymerization,” which led to the development of the modern polymer theory.  In 1927, the polymer compound vinyl-cholride is made into products such as PVC pipes.  Polystyrene is invented in 1930 and is used for videocassettes. Expanded polystyrene is used in styrofoam cups.

pipe.jpg&imgrefurl= a/&usg=__LvhhXjLsPYnOOtdwKpaeW80oxlQ=&h=240&w=240&sz=18&hl=en&start=0&zoom=1&tbnid=jjFs8qXNsw_1AM:&tbnh=151&tbnw=155&ei=AbnCTZnCG Ym3twe74rTIBQ&prev=/search%3Fq%3DPVC%2Bpipe%26um%3D1%26hl%3Den%26safe%3Dactive%26biw%3D1259%26bih%3D615%26tbm%3Disch&um=1&it bs=1&iact=hc&vpx=1041&vpy=98&dur=4854&hovh=192&hovw=192&tx=94&ty=49&page=1&ndsp=18&ved=1t:429,r:5,s:0

 In 1938, Nylon is invented by Wallace Carothers.  Then, in 1941, Polyethylene is invented and used for packaging film, piping, and toys.  In 1970, the high temperature polymer Ekonol is invented by James Economy and is used in electronic devices and aircrafts.

 In 1971, S.Kwolek invented kevlar, which is a high strength marterial that can withstand high temperatures. It is used in bullet proof vests and fire proof garments.  Then, during 1976, it was determined that the world uses more plastic than steel, aluminum and copper combined.

 The New York Times Company, comp. "What Are Some Examples of Polymers?" about.com. The New York Times Company, Web. 8 May  MASTE, comp. "History of Polymers." maste1.com. N.p., Spring Web. 8 May  TeacherTube. "A Brief History of Rubber." TeacherTube.com. Web. 9 May