about
kind
Nylon series
molecule
willpower
about
Repetitive structural unit
Among them, one contains amide group (-CONH-)
Thermoplastic resin
, including
fatty group
polyamide
, fat-
aromatic polyamide
And aramid. Aliphatic polyamide
diversification
A lot,
yield
Large quantity, wide use, not only for
fibre
, you can also use.
plastic
. Aliphatic-aromatic polyamides have few varieties and small output; Aromatic polyamides are often referred to simply as
polyamide aromatic
, mainly used as fiber (
aramid fiber
)。
Aliphatic nylon moiety
Nylon 6
、
Nylon 66
、
Nylon 10 10
Wait a minute.
In fact, nylon 6 and nylon 66,
differentiate
Not big. The two are only produced because.
du pont
After I invented nylon 6,6, I applied for it.
patent
So other companies invented nylon 6 in order to produce nylon. Nylon is the most common
artificial fiber
. 1940 nylon weaving
pass unimpeded
Stockings/socks
It was very popular as soon as it came out, and nylon became famous from then on. Later, during World War II, nylon was widely used for knitting.
Ballout
and
rope
. But nylon is the most primitive
use
This is manufacturing.
toothbrush
about
Galloping
Nylon belongs to polyamide, which has
Amino
. Amino group
polar
Will be attributed to
hydrogen bond
Attract each other. So nylon is easy to crystallize and can be made into
intensity
Very tall fibers. Polyamide is
toughness
trumpet
Translucent or opalescent crystallinity
resin
, usually by
column
shape
granulum
The molecular weight of polyamide for plastics is generally1.5,000 ~ 20,000.
* * * All kinds of polyamides are the same.
trait
It is fire-resistant,
Extension strength
High (up to 104MPa), wear resistance,
electrical insulation
Good heat resistance (455kPa)
deformation temperature
150) above,
melting point
150~250℃,
molten state
The resin has high fluidity,
relative density
1.05~ 1. 15 (new
infilling
Can be increased to 1.6), and most of them are non-toxic.