;1862 : Alexander Parkes exhibits Parkesine, one of the earliest synthetic polymers, at the International Exhibition in London.
32.
Chemically, it is a synthetic polymer of polyacrylic acid cross-linked with divinyl glycol, with calcium as a counter-ion.
33.
Newly hired chemical engineers were used to research synthetic polymers ( " specifically petroleum based polymers " ).
34.
"' Nylon "'is a generic designation for a family of synthetic polymers, more specifically aliphatic or films or shapes.
35.
Some synthetic polymers such as polyethylene and polypropylene are alkanes with chains containing hundreds of thousands of carbon atoms.
36.
Plastic worms can carry a variety of shapes, colors and sizes, and are made from a variety of synthetic polymers.
37.
The plastic kits and covers are mostly made of synthetic polymers like polythene and tires are manufactured from Buna rubbers.
38.
Label printers use a wide range of label materials, including paper and synthetic polymer ( " plastic " ) materials.
39.
Because their polymerization is stochastically driven, chain lengths in any real population of synthetic polymers will obey a statistical distribution.
40.
In the 1840s, Friedrich Ludersdorf and Nathaniel Hayward independently synthetic polymer, a thermosetting phenol & ndash; formaldehyde resin called Bakelite.
