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Methacrylate-Based Polymers for Industrial Uses

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Anionic Polymerization

Abstract

Controlling anionic polymerization is one of the key technologies in the synthesis of well-defined polymers such as block copolymers. KURARAY Co. Ltd., has developed a new living polymerization system of (meth)acrylates using compounds consisting of a Lewis base and bulky aluminum (LA system). Observations supported by kinetics studies point to a mechanism consisting of stabilization of enolate anion and aluminum-based coordination of monomers. This LA system can be leveraged not only for (meth)acrylate block copolymers, but also for block copolymers of (meth)acrylate and other anionic polymerization monomers. “KURARITY™”—an acrylic triblock copolymer (ABCP) produced by using this LA system—has unique properties suitable for employment in various applications, such as thermoplastic elastomers, flexible and transparent films, modifiers, and adhesives.

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Acknowledgment

The authors are grateful to Profs. T. Kitayama, K. Hori, and A. H. E. Müller for supporting this research and development, and to Prof. A. Hirao for providing us the opportunity to publish this work.

Author information

Authors and Affiliations

  1. Elastomer Division, KURARAY CO., LTD. Isoprene Company, Ote Center Building,1-1-3, Otemachi, Chiyoda-ku, Tokyo, 100-8115, Japan

    Kenichi Hamada, Yoshihiro Morishita, Toyoaki Kurihara & Kazushige Ishiura

Authors
  1. Kenichi Hamada
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  2. Yoshihiro Morishita
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  3. Toyoaki Kurihara
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  4. Kazushige Ishiura
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Corresponding author

Correspondence to Kenichi Hamada .

Editor information

Editors and Affiliations

  1. King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia

    Nikos Hadjichristidis

  2. Tokyo Institute of Technology, Tokyo, Japan

    Akira Hirao

Abbreviations

Abbreviations

2EHA:

2-Ethylhexyl acrylate

ABCP:

Acrylic triblock copolymer

BR:

Polybutadiene rubbers

DME:

1,2-Dimethoxyethane

EB:

Hydrogenated polybutadiene

iBu(BHT) 2Al:

Isobutylbis(2,6-di-tert-butyl-4-methylphenoxy)aluminum

IR:

Polyisoprene rubbers

LA system:

Living polymerization system of (meth)acrylates using compounds consisting of a Lewis base and bulky aluminum

LAP:

Living anionic polymerization

MMA:

Methyl methacrylate

MnBM:

PMMA-b-PnBA-b-PMMA triblock

nBA:

n-Butyl acrylate

P2EHA:

Poly(2-ethylhexyl acrylate)

PBD:

Polybutadiene

PBT:

Polybutylene terephthalate

PE:

Polyethylene

PLA:

Polylactic acid

PMMA:

Polymethyl methacrylate

PnBA:

Poly(n-butyl acrylate)

PP:

Polypropylenes

PPE:

Polyphenylene ether

PS:

Polystyrene

PVC:

Polyvinyl chloride

SAN:

Poly(styrene-co-acrylonitrile)

SBM:

Triblock copolymer of polystyrene (PS), PBD, and PMMA

SBR:

Styrene/butadiene rubbers

SBS and SIS:

Thermoplastic elastomers of block copolymers

SEBS:

PS-b-EB-b-PS

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Hamada, K., Morishita, Y., Kurihara, T., Ishiura, K. (2015). Methacrylate-Based Polymers for Industrial Uses. In: Hadjichristidis, N., Hirao, A. (eds) Anionic Polymerization. Springer, Tokyo. https://doi.org/10.1007/978-4-431-54186-8_23

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