Anionic Polymerization Mechanism
Learn about the mechanism of anionic polymerization, including the initiators and conditions required for the reaction to occur. Understand the roles of nucleophiles and electron-withdrawing substituents.
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Anionic Polymerization Mechanism
Quiz • 24 Questions
Study Notes
3 min • Summary
Anionic Polymerization Mechanism - Podcast
Podcast
Materials
List of Questions24 questions
- Question 1
- Because the initiator is not a good nucleophile
- Because the alkene must contain electron-donating substituents
- Because alkenes are electron poor
- Because alkenes are electron rich
- Question 2
- To increase the electron density of the double bond
- To terminate the polymer chain
- To react with the monomer to form an anion propagating site
- To decrease the electron density of the double bond
- Question 3
- Because the chains cannot be terminated by proton loss from the polymer
- Because the chains can be terminated by chain combination or disproportionation
- Because the chains can be terminated by proton loss from the polymer
- Because the chains can be terminated by radical reaction
- Question 4
- A moderately good nucleophile
- A very good nucleophile
- A poor nucleophile
- Any type of nucleophile
- Question 5
- Two fingers can become firmly glued together
- The reaction stops
- The polymer chain is broken
- The monomer is terminated
- Question 6
- To terminate the polymer chain
- To decrease the electron density of the double bond
- To initiate the reaction
- To increase the electron density of the double bond
- Question 7
- Butyl α-cyanoacrylate
- Ethyl α-cyanoacrylate
- Propyl α-cyanoacrylate
- Methyl α-cyanoacrylate
- Question 8
- Because water is a very good nucleophile
- Because water is not a nucleophile
- Because water is a poor nucleophile
- Because water is a moderately good nucleophile
- Question 9
- To terminate the polymerization reaction
- To attack the more sterically hindered carbon of the epoxide
- To initiate the polymerization reaction by attacking the less sterically hindered carbon of the epoxide
- To act as a catalyst to increase the reaction rate
- Question 10
- Cationic polymerization
- Anionic polymerization
- Step-growth polymerization
- Radical polymerization
- Question 11
- To decrease the hardness of rubber
- To increase the flexibility of rubber
- To improve the thermal stability of rubber
- To create cross-linking of polymer chains through disulfide bonds
- Question 12
- Random copolymer
- Block copolymer
- Alternating copolymer
- Graft copolymer
- Question 13
- Radical polymerization
- Chain-growth polymerization
- Ring-opening polymerization
- Step-growth polymerization
- Question 14
- The formation of a new polymer chain
- The degradation of the rubber material
- The breaking of disulfide bonds
- The cross-linking of polymer chains through disulfide bonds
- Question 15
- The type of initiator used
- The type of monomer used
- The molecular weight of the polymer
- The rate of polymerization
- Question 16
- To initiate a cationic mechanism
- To decrease the reaction rate
- To increase the molecular weight of the polymer
- To initiate an anionic mechanism
- Question 17
- They are formed by the reaction of a single compound with two different functional groups.
- They are formed by the reaction of a compound with no functional groups.
- They are formed by the reaction of two compounds with identical functional groups.
- They are formed by the reaction of a single compound with a single functional group.
- Question 18
- Epoxy Resin
- Polyester
- Nylon 6
- Nylon 66
- Question 19
- ε-caprolactam
- Dimethyl terephthalate
- Adipoyl chloride
- 1,6-hexanediamine
- Question 20
- Nylon 6
- Epoxy Resin
- Polyester
- Nylon 66
- Question 21
- Transesterification
- Radical polymerization
- Anionic polymerization
- Condensation reaction
- Question 22
- Epoxy Resin
- Dacron
- Nylon
- Kodel
- Question 23
- They are resistant to solvents and high temperature.
- They are formed by the reaction of a single compound with a single functional group.
- They are extensively linear systems.
- They are weak adhesives.
- Question 24
- Radical polymers
- Step-growth polymers
- Chain-growth polymers
- Anionic polymers