In the late 1920s and the early 1930s, chemists at the DuPont Company first produced nylon by combining chemicals they extracted from coal, water, air, petroleum, natural gas, and agricultural...
Silk cocoons are soaked in hot water to soften the silk gum so that the silk filaments may be safely unwound to prevent breakage of the filaments. Fibres from several cocoons are unwound and twisted...
There are many different kinds of fabric that are made every day. Fleece is made mostly of polyester, but fleece can also be made of a mixture of things such as cotton and polyester.
First of all the fibres must be brushed so that they line up.m They are then twisted so that they all join together and stay together for a long period of time. This method is called spinning. They...