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

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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
Transcribed Image Text: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
Transcribed Image Text: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
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