Acrylic nails are made by combining polymer particulates with a monomeric solution that reacts in a chain-growth polymerization reaction. When initiated, the monomers link together in a network that surrounds the polymer particles. The ratio of monomer to existing polymer particles will affect the properties of the final material. The poly- mer particulate component of acrylic nails is poly(methyl methacrylate). One of sev- eral different chemicals is used in the current nail industry as the monomer solution: isobutyl methacrylate, hydroxyethyl methacrylate, or ethyl methacrylate. (a) Draw the polymer chain that results for each of these monomers. (b) Azoisobutyronitrile (AIBN) is added into the reaction and is activated by ap- plied heat. Draw a mechanism for the reaction of hydroxyethyl methacrylate using AIBN. Show the steps of initiation, two propagation steps, and a ter- mination step where two radical polymeric chains combine. What role does AIRN serve?

Acrylic nails are made by combining polymer particulates with a monomeric solution that reacts in a chain-growth polymerization reaction. When initiated, the monomers link together in a network that surrounds the polymer particles. The ratio of monomer to existing polymer particles will affect the properties of the final material. The poly- mer particulate component of acrylic nails is poly(methyl methacrylate). One of sev- eral different chemicals is used in the current nail industry as the monomer solution: isobutyl methacrylate, hydroxyethyl methacrylate, or ethyl methacrylate. (a) Draw the polymer chain that results for each of these monomers. (b) Azoisobutyronitrile (AIBN) is added into the reaction and is activated by ap- plied heat. Draw a mechanism for the reaction of hydroxyethyl methacrylate using AIBN. Show the steps of initiation, two propagation steps, and a ter- mination step where two radical polymeric chains combine. What role does AIRN serve?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

26.33 Acrylic nails are made by combining polymer particulates with a monomeric solution
that reacts in a chain-growth polymerization reaction. When initiated, the monomers
link together in a network that surrounds the polymer particles. The ratio of monomer
to existing polymer particles will affect the properties of the final material. The poly-
mer particulate component of acrylic nails is poly(methyl methacrylate). One of sev-
eral different chemicals is used in the current nail industry as the monomer solution:
isobutyl methacrylate, hydroxyethyl methacrylate, or ethyl methacrylate.
(a) Draw the polymer chain that results for each of these monomers.
(b) Azoisobutyronitrile (AIBN) is added into the reaction and is activated by ap-
plied heat. Draw a mechanism for the reaction of hydroxyethyl methacrylate
using AIBN. Show the steps of initiation, two propagation steps, and a ter-
mination step where two radical polymeric chains combine. What role does
AIBN serve?

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