PROPERTIES AND USES OF NYLON 66
PROPERTIES AND USES OF NYLON 66
Nylon comes from a family of synthetic polymers known as polyamide . It was first introduced by Wallace Carothers on 28th February 1935.Nylon 6,6 is a polyamide made by polycondensation of adipic acid methylenediamine , and contains a total of 12 carbon atoms in each repeating unit . The properties which make Polyamides suitable for plastic applications are resistance to toughness , thermal stability , good appearance , resistance to chemicals etc .The advantages of Nylon 66 are- 1.Nylon 6,6 persues excellent abrasion resistance and a high melting point .
2.Nylon 6,6 has high tensile strength and exhibits only half of shrinkage in steam .
3. It also provides a very good resistance to photo degradation .
4.Nylon 6,6 also has good advantage over industrial products because it reduces moisture sensitivity in raw products and has a high dimensional stability and melting point .
The fact that makes Nylon 6,6 resistant towards heat and fraction and enables it to withstand the heat for retention is that it has a melting point of 268 degree C for a high synthetic fibre . The physical properties of nylon 6,6 is that :
1. Nylon 6,6 has a repeat unit with molecular weight of is 226.32 g/mol and crystalline density of 1.24 g/(cm)^3 .
2.Nylon 6,6 has long molecular chains resulting in more hydrogen bonds , creating chemical springs and making it very resilient .
3. Nylon 6,6 is an amorphous solid so it has a large elastic property and is slightly soluble in boiling water .
4.Nylon 6,6 is very stable in nature.
5. Nylon 6,6 is very difficult to dye but once it is dyed it has a high colorfastness and is less susceptible to fading .
6. Its chemical properties does not allow it to be affected by solvents such as water , alcohol etc .
The applications of Nylon 6,6 is : > Because Nylon is a light material , it is used in parachutes .
> Nylon 6,6 is waterproof in nature so it is also used to make swimwear.
> Nylon 6,6 having a high melting point make it more resistant to heat and friction so it is suitable to be used in in airports , offices and other places which are more liable to wear and tear . > Nylon 6,6 being waterproof in nature is used to make machine parts. It is also used in the following like airbags , carpets , ropes . hoses etc . Hence Nylon 66 is a very useful creation by mankind .
QUESTIONS AND ANSWERS :
QUE > What are the properties of Nylon 6,6 ?
ANS > The physical properties of nylon 6,6 includes:
1. Nylon 6,6 has a repeat unit with molecular weight of is 226.32 g/mol and crystalline density of 1.24 g/(cm)^3 .
2.Nylon 6,6 has long molecular chains resulting in more hydrogen bonds , creating chemical springs and making it very resilient .
3. Nylon 6,6 is an amorphous solid so it has a large elastic property and is slightly soluble in boiling water .
4.Nylon 6,6 is very stable in nature.
5. Nylon 6,6 is very difficult to dye but once it is dyed it has a high colorfastness and is less susceptible to fading .
6. Its chemical properties does not allow it to be affected by solvents such as water , alcohol etc .
QUE> point out some advantages of Nylon 6,6 ?
ANS> The advantages of Nylon 66 is THAT :
1. Nylon 6,6 persues excellent abrasion resistance and a high melting point .
2.Nylon 6,6 has high tensile strength and exhibits only half of shrinkage in steam .
3. It also provides a very good resistance to photo degradation .
4.Nylon 6,6 also has good advantage over industrial products because it reduces moisture sensitivity in raw products and has a high dimensional stability and melting point .
QUE > How is Nylon 6,6 chemically formed?
ANS> Nylon 6,6 is a polyamide made by polycondensation of adipic acid methylenediamine , and contains a total of 12 carbon atoms in each repeating unit .Nylon 6,6 has a repeat unit with molecular weight of is 226.32 g/mol and crystalline density of 1.24 g/(cm)^3 . Nylon 6,6 has long molecular chains resulting in more hydrogen bonds , creating chemical springs and making it very resilient .
QUE> What are the applications of Nylon 6,6 ?
ANS>The applications of Nylon 6,6 is : Because Nylon is a light material , it is used in parachutes . Nylon 6,6 is waterproof in nature so it is also used to make swimwear.Nylon 6,6 having a high melting point make it more resistant to heat and friction so it is suitable to be used in in airports , offices and other places which are more liable to wear and tear. Nylon 6,6 being waterproof in nature is used to make machine parts. It is also used in the following like airbags , carpets , ropes . hoses etc .
Chemistry related
Chemistry related
We want to use Nylon 66 on of the product parts.Thread is there.So can we make it Nylon 66.Please inform.
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Nothing
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Polymer technology
12th pass
12th pass
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