organic chem

write a Report about the experiment.

on the files attached the procedure and observation

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CHM 2012 Experiment 3A: Making Polymers1
Polystyrene Synthesis:
1) Dispense approximately 5mLmL of styrene into a test tube and subsequently add
0.13 g of benzoyl peroxide. Mix the solid until dissolved.
2) Heat the styrene reaction mixture in a boiling water bath until the reaction mixture
has solidified (approximately one hour). Confirm the consistency of the
polystyrene with a glass stir rod before cooling it to room temperature.
3) Once cool, attempt to obtain a small sample of your polystyrene with tweezers. If
you have trouble collecting a small sample of polystyrene for solubility
evaluations consult with your GSA.
4) Add small quantities of your polystyrene samples into test tubes. Determine the
solubility of your polystyrene samples in acetone, toluene, and ethanol. Use
approximately 5 mL of solvent in each trial.
Nylon Synthesis:
1) Dispense 20 mL of 20% NaOH solution and 10 mL of 5% hexamethylene
diamine solution into a 50 mL beaker.
2) Carefully pour 10mL of 5% sebacoyl chloride solution down the sidewalls of the
reaction mixture containing beaker to preserve the sebacoyl chloride solution at
the top of the reaction mixture.
3) Leave the prepared reaction mixture to rest with no agitation. Note that the
intended reaction will occur at the interface between the two layers.
4) Use the provided wooden stick to slowly remove the nylon film from the interface
of the two layers. Lift slowly to prevent the developing strand from breaking. Use
a test tube as a reel to wind the nylon rope with. Perform these tasks slowly to
maximize the length of the nylon rope.
5) Insert the test tube wound with the nylon rope into a beaker of DI water.
6) Remove the collapsed nylon from the beaker of water and dry the strands with
filter paper.
7) Maximize total yield by returning to the reaction beaker and stirring the remaining
unreacted monomers with a glass stir rod.
8) Pour the reaction mixture into 200 mL of ice-cold DI water and subsequently filter
the reaction mixture.
9) Wash the nylon obtained on the top of the filter paper with DI water.
10) Compare the consistency/physical properties of your nylon products. Assess the
solubility of the nylon in acetone, toluene, and ethanol. Use approximately 5 mL
of solvent in each trial.
PVA “Slime” Synthesis:
1) Dispense 50 mL of the provided poly(vinyl alcohol) solution into a 250 mL
beaker. Subsequently add 5 mL of the provided borax solution to the beaker and
stir the reaction mixture with a glass stir rod.
2) Characterize the properties of the gel.
1) Davidson, T. Making Polymers. In CHM2211L/2200L Organic Chemistry Lab
Manual, 2022-2023 ed.; Hayden-McNeil, 2022; pp 99-108.
We put nylon in ethanol and nothing is change
We put nylon with acetone and nothing is change
We put nylon with toluene and nothing is change
Slime observation
‘Clear color . Sticky like glue
We put ethanol and nothing is change
We put acetone and nothing is change
We put toluene and nothing is change
include this on the report :

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