Warning: Use of undefined constant referer - assumed 'referer' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 102

Warning: Use of undefined constant host - assumed 'host' (this will throw an Error in a future version of PHP) in /usr/home/essaywo/public_html/essays on line 105

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 106

Warning: Cannot modify header information - headers already sent by (output started at /usr/home/essaywo/public_html/essays:102) in /usr/home/essaywo/public_html/essays on line 109
Polymers - Papers

Polymers

are large molecules composed of smaller molecules called monomers. Monomers are produced and either grow together or are assembled to produce a single polymer. There are synthetic and natural . Some examples of natural would be wood, starches, fingernails, and hair. Synthetic are usually referred to as plastics. Petroleum is the primary monomer used to produce . An English chemist named Alexander Parkes was the first scientist to produce the first synthetic polymer in 1862. John Wesley Hyatt, an American, was the first person to produce a useable polymer two years later. He named the product celluloid.
The prime virtue of is a high strength-to-weight ratio. ...

Want to read the rest of this paper?
Join Essayworld today to view this entire essay
and over 50,000 other term papers

with more strength and flexibility by combing two chemically different and producing a block copolymer. Combinations of block co and composites and intended for use in booster rockets and in materials of Earth-orbiting installations.
Most common are usually solid, but a new class of is being introduced in a liquid crystal state. Although these still have the physical characteristics of liquid, they are structured more like solids. Many liquid crystals are transparent at one temperature and colored at another temperature. This makes them suitable for use in liquid crystal displays, such as in digital watches, hand-held calculators, and lap-top computers. A new liquid polymer, consisting of a mixture of iron and nickel, is being used to make metal links that can be used in paper, glass, and on electronic circuit boards.
Despite the development and widespread use of , scientific understanding is still sketchy. Polymer development has occurred through trial and error. ...

Get instant access to over 50,000 essays.
Write better papers. Get better grades.

Already a member? Login

CITE THIS PAGE:

APA
MLA
Chicago
Turabian

Polymers. (2007, September 24). Retrieved December 23, 2024, from http://www.essayworld.com/essays/Polymers/71658

"Polymers." Essayworld.com. Essayworld.com, 24 Sep. 2007. Web. 23 Dec. 2024. <http://www.essayworld.com/essays/Polymers/71658>

"Polymers." Essayworld.com. September 24, 2007. Accessed December 23, 2024. http://www.essayworld.com/essays/Polymers/71658.

JOIN NOW

Join today and get instant access to this and 50,000+ other essays

PAPER DETAILS

Added: 9/24/2007 09:16:10 AM
Category: Science & Nature
Type: Free Paper
Words: 397
Pages: 2

Save |

Report

SHARE THIS PAPER

SAVED ESSAYS

Save and find your favorite essays easier