nylons are a range of polyamides produced by a casting process involving
the anionic polymerisation of caprolactam.
family of nylons consists of several different types. Nylon 6/6, nylon
6, nylon 6/10, nylon 6/12, nylon 11, nylon 12, and nylon 6-6/6 copolymer
are the most common.
Polyamides or nylons were first obtained by hydrolytic condensation or
condensation polymerisation. These nylons formed the basis of the
Natural cast nylon (available also in black) is the basic cast nylon 6
grade and the one from which all other grades of cast nylon stem.
polyamide is manufactured from the raw material caprolactam through the
process of anionic polymerization to produce a partially crystalline
casting differs from injection moulding or extrusion in that it produces
a product by polymerisation right in the mould. The extrusion and
moulding processes, by comparison, simply reshape a pre-polymerised
nylons are used in a wide range of applications, from a simple equipment
support pad, to a sophisticated drum in a machine that sorts thousands
of coins a minute, to a sheave on a crane that can lift 1,000 tons, to a
component used to eviscerate chickens! There is perhaps no other process
that can produce parts weighing from one pound to over eight hundred
pounds in tooling that, relatively speaking, costs peanuts.
6 resins are increasingly being used as engineering plastics due to a
combination of high stiffness and strength at elevated temperatures,
with toughness at low temperatures.
66 fibers for use in textiles, carpet, and tire cord are produced by
extruding molten polymer through spinnerets and stretching to their
final thickness and weight.
Nylons, also known as polyamides, are the most common polymers used in
fiber. More specifically, approximately 24% of nylon 6 is consumed in
engineering resins, while the rest is used in nylon fibers.
major nylon 6 producer says it is seeing a slight increase in demand for
products as a result of the slowing of the economic crisis and of its
customers having utilized their inventories.
China’s demand for nylon 6 driving it, caprolactam pricing in Asia moved
upward dramatically during Q1 and the attractive pricing is pulling in
material from the world.
nylon 6 and 6,6 markets inched upward in March. The spot nylon 6 price
for Chinese and Taiwanese brands stabilized, while US$ imported nylon 6
price were strong.
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