Synthesis of polypropylene graft copolymers by the combination of a polypropylene copolymer containing pendant vinylbenzene groups and atom transfer radical polymerization

Chengang Cao, Junfeng Zou, Jin Yong Donc, H. U. Youliang, Tze-chiang Chung

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37 Citations (Scopus)

Abstract

This article discusses a facile and inexpensive reaction process for preparing polypropylene-based graft copolymers containing an isotactic polypropylene (i-PP) main chain and several functional polymer side chains. The chemistry involves an i-PP polymer precursor containing several pendant vinylbenzene groups, which is prepared through the Ziegler-Natta copolymerization of propylene and 1,4-divinylbenzene mediated by an isospecific MgCl 2$-supported TiCl 4 catalyst. The selective monoenchainment of 1,4-divinylbenzene comonomers results in pendant vinylbenzene groups quantitatively transformed into benzyl halides by hydrochlorination. In the presence of CuCl/pentamethyldiethylenetriamine, the in situ formed, multifunctional, polymeric atom transfer radical polymerization initiators carry out graft-from polymerization through controlled radical polymerization. Some i-PP-based graft copolymers, including poly(propylene-g-methyl methacrylate) and poly(propylene-g-styrene), have been prepared with controlled compositions.

Original languageEnglish (US)
Pages (from-to)429-437
Number of pages9
JournalJournal of Polymer Science, Part A: Polymer Chemistry
Volume43
Issue number2
DOIs
StatePublished - Jan 15 2005

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divinyl benzene
Styrene
Polypropylenes
Atom transfer radical polymerization
Graft copolymers
Copolymers
Functional polymers
Free radical polymerization
Grafts
Copolymerization
Polymers
Polymerization
Catalysts
Propylene
Chemical analysis

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

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title = "Synthesis of polypropylene graft copolymers by the combination of a polypropylene copolymer containing pendant vinylbenzene groups and atom transfer radical polymerization",
abstract = "This article discusses a facile and inexpensive reaction process for preparing polypropylene-based graft copolymers containing an isotactic polypropylene (i-PP) main chain and several functional polymer side chains. The chemistry involves an i-PP polymer precursor containing several pendant vinylbenzene groups, which is prepared through the Ziegler-Natta copolymerization of propylene and 1,4-divinylbenzene mediated by an isospecific MgCl 2$-supported TiCl 4 catalyst. The selective monoenchainment of 1,4-divinylbenzene comonomers results in pendant vinylbenzene groups quantitatively transformed into benzyl halides by hydrochlorination. In the presence of CuCl/pentamethyldiethylenetriamine, the in situ formed, multifunctional, polymeric atom transfer radical polymerization initiators carry out graft-from polymerization through controlled radical polymerization. Some i-PP-based graft copolymers, including poly(propylene-g-methyl methacrylate) and poly(propylene-g-styrene), have been prepared with controlled compositions.",
author = "Chengang Cao and Junfeng Zou and Donc, {Jin Yong} and Youliang, {H. U.} and Tze-chiang Chung",
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T1 - Synthesis of polypropylene graft copolymers by the combination of a polypropylene copolymer containing pendant vinylbenzene groups and atom transfer radical polymerization

AU - Cao, Chengang

AU - Zou, Junfeng

AU - Donc, Jin Yong

AU - Youliang, H. U.

AU - Chung, Tze-chiang

PY - 2005/1/15

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N2 - This article discusses a facile and inexpensive reaction process for preparing polypropylene-based graft copolymers containing an isotactic polypropylene (i-PP) main chain and several functional polymer side chains. The chemistry involves an i-PP polymer precursor containing several pendant vinylbenzene groups, which is prepared through the Ziegler-Natta copolymerization of propylene and 1,4-divinylbenzene mediated by an isospecific MgCl 2$-supported TiCl 4 catalyst. The selective monoenchainment of 1,4-divinylbenzene comonomers results in pendant vinylbenzene groups quantitatively transformed into benzyl halides by hydrochlorination. In the presence of CuCl/pentamethyldiethylenetriamine, the in situ formed, multifunctional, polymeric atom transfer radical polymerization initiators carry out graft-from polymerization through controlled radical polymerization. Some i-PP-based graft copolymers, including poly(propylene-g-methyl methacrylate) and poly(propylene-g-styrene), have been prepared with controlled compositions.

AB - This article discusses a facile and inexpensive reaction process for preparing polypropylene-based graft copolymers containing an isotactic polypropylene (i-PP) main chain and several functional polymer side chains. The chemistry involves an i-PP polymer precursor containing several pendant vinylbenzene groups, which is prepared through the Ziegler-Natta copolymerization of propylene and 1,4-divinylbenzene mediated by an isospecific MgCl 2$-supported TiCl 4 catalyst. The selective monoenchainment of 1,4-divinylbenzene comonomers results in pendant vinylbenzene groups quantitatively transformed into benzyl halides by hydrochlorination. In the presence of CuCl/pentamethyldiethylenetriamine, the in situ formed, multifunctional, polymeric atom transfer radical polymerization initiators carry out graft-from polymerization through controlled radical polymerization. Some i-PP-based graft copolymers, including poly(propylene-g-methyl methacrylate) and poly(propylene-g-styrene), have been prepared with controlled compositions.

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