Why does a solid form at the interface of the two solutions? PROCEDURE Synthesis of Nylon In a small beaker dissolve ~ 0.5 mL of sebacoyl chloride in 12 mL of ether. In a small test tube get ~ 6 mL (~1/4 of a 6 “ test tube) of 1,6-diaminohexane solution in water. In order to form the good polymer fibers, it is best to not mix the solutions. You should try to layer one solution on top of the other. First pour the 1,6-diaminohexane solution into a 100 mL beaker. Then slowly pour the sebacoyl chloride down the side of the tilted beaker with minimal mixing. At this point you should see two distinct layers with a white film at the interface. Hook the nylon which forms at the interface with a straightened paper clip and pull slowly straight up as high as possible. Then wrap it around your large beaker and then continue to wind the polymer around till the reaction is complete. Rinse your polymer in DI water to remove any salts or acid that may be present. Weigh your product and characterize it by IR. CLEANUP Dispose of residual liquid from beaker into the aqueous waste container. Dispose of other organic solvents in organic waste.
Why does a solid form at the interface of the two solutions?
PROCEDURE
Synthesis of Nylon
In a small beaker dissolve ~ 0.5 mL of sebacoyl chloride in 12 mL of ether. In a small
test tube get ~ 6 mL (~1/4 of a 6 “ test tube) of 1,6-diaminohexane solution in water.
In order to form the good
should try to layer one solution on top of the other. First pour the 1,6-diaminohexane
solution into a 100 mL beaker. Then slowly pour the sebacoyl chloride down the side
of the tilted beaker with minimal mixing. At this point you should see two distinct
layers with a white film at the interface. Hook the nylon which forms at the interface
with a straightened paper clip and pull slowly straight up as high as possible. Then
wrap it around your large beaker and then continue to wind the polymer around till
the reaction is complete. Rinse your polymer in DI water to remove any salts or acid
that may be present.
Weigh your product and characterize it by IR.
CLEANUP
Dispose of residual liquid from beaker into the aqueous waste container. Dispose of
other organic solvents in organic waste.
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