Polyolefin copolymers containing p-methylstyrene units: Preparation by metallocene catalysts and application in the functionalization of polyolefins

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Abstract

This paper discusses a new functionalization approach, involving p-methylstyrene (p-MS) "reactive" comonomer. Comparing with other relative styrenic comonomers, i.e. styrene, o-methylstyrene and m-methylstyrene, p-MS shows significantly higher reactivity in metallocene catalysis. The resulting co-and ter-polymers, covering from semicrystalline thermoplastics (PE) to amorphous elastomers (EP and EO), exibit narrow composition and molecular weight distributions. In turn, the incorporated p-MS units in polyolefins, are very versatile, which not only can be interconverted to various functional groups, such as -OH, -NH2, -COOH, anhydride, silane and halides, but also can be conviniently transformed to "stable" aniomc initiators for "living" anionic graft-from polymerization reactions. Many new functional polyolefin graft copolymers have been prepared, containing polyolefin backbone (PE, EP, EO, etc.) and functional polymer side chains, such as PMMA, PAN, PS, etc..

Original languageEnglish (US)
Pages (from-to)104-127
Number of pages24
JournalACS Symposium Series
Volume749
StatePublished - 2000

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Polyolefins
Copolymers
Catalysts
Functional polymers
Graft copolymers
Molecular weight distribution
Silanes
Elastomers
Grafts
Functional groups
Thermoplastics
Catalysis
Styrene
Polymerization
Anhydrides
Polymethyl Methacrylate
Polymers
Chemical analysis
PL 732
metallocene

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

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title = "Polyolefin copolymers containing p-methylstyrene units: Preparation by metallocene catalysts and application in the functionalization of polyolefins",
abstract = "This paper discusses a new functionalization approach, involving p-methylstyrene (p-MS) {"}reactive{"} comonomer. Comparing with other relative styrenic comonomers, i.e. styrene, o-methylstyrene and m-methylstyrene, p-MS shows significantly higher reactivity in metallocene catalysis. The resulting co-and ter-polymers, covering from semicrystalline thermoplastics (PE) to amorphous elastomers (EP and EO), exibit narrow composition and molecular weight distributions. In turn, the incorporated p-MS units in polyolefins, are very versatile, which not only can be interconverted to various functional groups, such as -OH, -NH2, -COOH, anhydride, silane and halides, but also can be conviniently transformed to {"}stable{"} aniomc initiators for {"}living{"} anionic graft-from polymerization reactions. Many new functional polyolefin graft copolymers have been prepared, containing polyolefin backbone (PE, EP, EO, etc.) and functional polymer side chains, such as PMMA, PAN, PS, etc..",
author = "Tze-chiang Chung",
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volume = "749",
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journal = "ACS Symposium Series",
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publisher = "American Chemical Society",

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TY - JOUR

T1 - Polyolefin copolymers containing p-methylstyrene units

T2 - Preparation by metallocene catalysts and application in the functionalization of polyolefins

AU - Chung, Tze-chiang

PY - 2000

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N2 - This paper discusses a new functionalization approach, involving p-methylstyrene (p-MS) "reactive" comonomer. Comparing with other relative styrenic comonomers, i.e. styrene, o-methylstyrene and m-methylstyrene, p-MS shows significantly higher reactivity in metallocene catalysis. The resulting co-and ter-polymers, covering from semicrystalline thermoplastics (PE) to amorphous elastomers (EP and EO), exibit narrow composition and molecular weight distributions. In turn, the incorporated p-MS units in polyolefins, are very versatile, which not only can be interconverted to various functional groups, such as -OH, -NH2, -COOH, anhydride, silane and halides, but also can be conviniently transformed to "stable" aniomc initiators for "living" anionic graft-from polymerization reactions. Many new functional polyolefin graft copolymers have been prepared, containing polyolefin backbone (PE, EP, EO, etc.) and functional polymer side chains, such as PMMA, PAN, PS, etc..

AB - This paper discusses a new functionalization approach, involving p-methylstyrene (p-MS) "reactive" comonomer. Comparing with other relative styrenic comonomers, i.e. styrene, o-methylstyrene and m-methylstyrene, p-MS shows significantly higher reactivity in metallocene catalysis. The resulting co-and ter-polymers, covering from semicrystalline thermoplastics (PE) to amorphous elastomers (EP and EO), exibit narrow composition and molecular weight distributions. In turn, the incorporated p-MS units in polyolefins, are very versatile, which not only can be interconverted to various functional groups, such as -OH, -NH2, -COOH, anhydride, silane and halides, but also can be conviniently transformed to "stable" aniomc initiators for "living" anionic graft-from polymerization reactions. Many new functional polyolefin graft copolymers have been prepared, containing polyolefin backbone (PE, EP, EO, etc.) and functional polymer side chains, such as PMMA, PAN, PS, etc..

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