NYLON

NYLON

Nylon is a generic designation for a family of synthetic polymers known generically as polyamides, first produced on February 28, 1935, by Wallace Carothers at DuPont's research facility at the DuPont Experimental Station. Nylon is one of the most commonly used polymers. Nylon is difficult to get the proportions exactly correct, and deviations can lead to chain termination at molecular weights less than a desirable 10,000 daltons (u). To overcome this problem, a crystalline, solid "nylon salt" can be formed at room temperature, using an exact 1:1 ratio of the acid and the base to neutralize each other. Heated to 285 °C (545 °F), the salt reacts to form nylon polymer. Above 20,000 daltons, it is impossible to spin the chains into yarn, so to combat this, some acetic acid is added to react with a free amine end group during polymer elongation to limit the molecular weight. In practice, and especially for 6,6, the monomers are often combined in a water solution. The water used to make the solution is evaporated under controlled conditions, and the increasing concentration of "salt" is polymerized to the final molecular weight.

	Nylon Rod   A Nylon Rod is an excellent engineering plastic that is probably one of the most famous and popular materials that since its invention has proven its credential....

	Nylon Sheet   Nylon Sheet has good tenacity, strong bearing to whet the dint, bear the oil, anti- earthquake etc. characteristics. Nylon Sheet is applicable to manufacture the spare parts of bearing whetting the dint, the construction piece of spreading to move, the spare parts of home appliances,

	Nylon Tube   nylon Tube uses widely in the project plastic at now, particularly in the machine aspect for reducing bearing whetting aterial to replace alloy and copper material . 400 kg’s nylon product’s actual volume equal to 2.7 ton of steel material’s weight or 3 ton of bronze’s weight.