Radical polymerization of styrene gives a linear polymer. Radical polymerization of a mixture of styrene and 1,4-divinylbenzene gives a cross-linked network polymer of the type shown in Figure 29.1. Show by drawing structural formulas how incorporation of a few percent of 1,4-divinylbenzene in the polymerization mixture gives a cross-linked polymer. a copolymer of styrene and divinylbenzene Styrene 1,4-Divinylbenzene Table 29.1 Polymers Derived from Ethylene and Substituted Ethylenes Polymer Name(s) and Common Uses Monomer Formula Common Name CH,-CH, Polyethylene, Polythene: break- resistant containers and Ethylene packaging materials CH, СHCH, Propylene Polypropylene, Herculon: textile and carpet fibers Poly(vinyl chloride), PVC: construction tubing CH,=CHCI Vinyl chloride CH,=CCI, 1,1-Dichloroethylene Poly(1,1-dichloroethylene), Saran Wrap: food packaging CH,=CHCN Acrylonitrile Polyacrylonitrile, Orlon: acrylic and acrylate plastics CF,=CF, Tetrafluoroethylene Poly(tetrafluoroethylene), PTFE, Teflon: nonstick coatings CH,=CHC,H, Styrene Polystyrene, Styrofoam: insulating materials CH, CHCOOCH,CH, CH,=CCOOCH3 Ethyl acrylate Poly(ethyl acrylate): latex paints Poly(methyl methacrylate), Lucite, Plexiglass: glass substitutes Methyl methacrylate CH3
Radical polymerization of styrene gives a linear polymer. Radical polymerization of a mixture of styrene and 1,4-divinylbenzene gives a cross-linked network polymer of the type shown in Figure 29.1. Show by drawing structural formulas how incorporation of a few percent of 1,4-divinylbenzene in the polymerization mixture gives a cross-linked polymer. a copolymer of styrene and divinylbenzene Styrene 1,4-Divinylbenzene Table 29.1 Polymers Derived from Ethylene and Substituted Ethylenes Polymer Name(s) and Common Uses Monomer Formula Common Name CH,-CH, Polyethylene, Polythene: break- resistant containers and Ethylene packaging materials CH, СHCH, Propylene Polypropylene, Herculon: textile and carpet fibers Poly(vinyl chloride), PVC: construction tubing CH,=CHCI Vinyl chloride CH,=CCI, 1,1-Dichloroethylene Poly(1,1-dichloroethylene), Saran Wrap: food packaging CH,=CHCN Acrylonitrile Polyacrylonitrile, Orlon: acrylic and acrylate plastics CF,=CF, Tetrafluoroethylene Poly(tetrafluoroethylene), PTFE, Teflon: nonstick coatings CH,=CHC,H, Styrene Polystyrene, Styrofoam: insulating materials CH, CHCOOCH,CH, CH,=CCOOCH3 Ethyl acrylate Poly(ethyl acrylate): latex paints Poly(methyl methacrylate), Lucite, Plexiglass: glass substitutes Methyl methacrylate CH3
Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter29: Organic Polymer Chemistry
Section: Chapter Questions
Problem 29.34P: Radical polymerization of styrene gives a linear polymer. Radical polymerization of a mixture of...
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