Organic Chemistry

Neoprene is a synthetic rubber made by polymerizing 2-chloro-1,3-butadiene in the presence of a Ziegler–Natta catalyst that caus ...

088 CHAPTER 28 Synthetic Polymers Table 28.6 Some Examples of Copolymers and Their Uses Monomer Copolymer name Uses Saran film f ...

Section 28.6 Step-Growth Polymers 089 0% reaction 50% reaction 75% reaction >Figure 28.3 Progress of a step-growth polymeriza ...

090 CHAPTER 28 Synthetic Polymers The starting material for nylon 6 is The lactam is opened by hydrolysis. Nylon 66 is an exampl ...

Section 28.6 Step-Growth Polymers 091 Polyesters Polyestersare step-growth polymers in which the monomer units are joined togeth ...

092 CHAPTER 28 Synthetic Polymers Epoxy Resins Epoxy resinsare the strongest adhesives known. They can adhere to almost any kind ...

Section 28.7 Physical Properties of Polymers 093 Polyurethanes A urethane—also called a carbamate—is a compound that has an OR g ...

094 CHAPTER 28 Synthetic Polymers Table 28.7 Properties of Polyethylene as a Function of Crystallinity Crystallinity (%) 55 62 7 ...

polymer used to make dental impressions n O N NO O O O O O O DESIGNING A POLYMER A polymer used for making dental impressions mu ...

096 CHAPTER 28 Synthetic Polymers Plasticizers A plasticizer can be added to a polymer to make it more flexible. A plasticizeris ...

Key Terms 097 scientists, and biopolymers, which are synthesized by or- ganisms. Synthetic polymers can be divided into two clas ...

098 CHAPTER 28 Synthetic Polymers Problems Draw short segments of the polymers obtained from the following monomers: a. d. b. ...

Problems 099 Draw short segments of the polymers obtained from the following compounds under the given reaction conditions: a. ...

100 CHAPTER 28 Synthetic Polymers Draw a short section of the polymer obtained from anionic polymerization of Which monomer wou ...

29 Pericyclic Reactions 101 Vitamin D R eactions of organic compounds can be divided into three classes—polar reactions, radical ...

102 CHAPTER 29 Pericyclic Reactions Electrocyclic reactions are reversible. In the reverse direction, an electrocyclic reaction ...

Section 29.1 Three Kinds of Pericyclic Reactions 103 Roald Hoffmannand Kenichi Fukuishared the 1981 Nobel Prize in chemistry for ...

104 CHAPTER 29 Pericyclic Reactions According to the conservation of orbital symmetry theory, whether a compound will undergo a ...

Section 29.2 Molecular Orbitals and Orbital Symmetry 105 energy of the p atomic orbitals out-of-phase in-phase molecular orbital ...

106 CHAPTER 29 Pericyclic Reactions molecular orbitals energy levels ground state excited state energy of the p atomic orbitals ...