Synthesis of High molecular weight 3-arm star PMMA by ARGET ATRP

Hyun Jeong Jeon; Ji Ho Youk; Kwang Soo Cho; Sung Hee Ahn; Jin Hwan Choi

doi:10.1007/BF03218686

Synthesis of High molecular weight 3-arm star PMMA by ARGET ATRP

Hyun Jeong Jeon, Ji Ho Youk, Kwang Soo Cho, Sung Hee Ahn, Jin Hwan Choi

Research output: Contribution to journal › Article › peer-review

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Abstract

High molecular weight (MW), 3-arm star poly(methyl methacrylate) (PMMA) with a narrow MW distribution (M=570,000 g/mol, PDI=1.36) was successfully synthesized by activators regenerated by electron transfer (ARGET) atom transfer radical polymerization (ATRP). The polymerization was carried out with a trifunctional initiator/CuBr₂/N,N,N′,N″,N″- pentamethyldiethylenetriamine (PMDETA) initiator/catalyst system in the presence of a tin(II) 2-ethylhexanoate [Sn(EH)₂] reducing agent at 90 °C. The concentration of the copper catalyst was as low as 30 ppm, and a high initiation efficiency of the initiating sites was obtained. The chain-end functionality of the high MW, 3-arm star PMMA was confirmed by a chain extension experiment with styrene via ARGET ATRP, using the same catalyst system.

Original language	English
Pages (from-to)	240-244
Number of pages	5
Journal	Macromolecular Research
Volume	17
Issue number	4
DOIs	https://doi.org/10.1007/BF03218686
State	Published - Apr 2009

Keywords

Activators regenerated by electron transfer (ARGET)
Atom transfer radical polymerization (ATRP)
High molecular weight
Poly(methyl methacrylate)
Star polymer

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10.1007/BF03218686

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title = "Synthesis of High molecular weight 3-arm star PMMA by ARGET ATRP",

abstract = "High molecular weight (MW), 3-arm star poly(methyl methacrylate) (PMMA) with a narrow MW distribution (M=570,000 g/mol, PDI=1.36) was successfully synthesized by activators regenerated by electron transfer (ARGET) atom transfer radical polymerization (ATRP). The polymerization was carried out with a trifunctional initiator/CuBr2/N,N,N′,N″,N″- pentamethyldiethylenetriamine (PMDETA) initiator/catalyst system in the presence of a tin(II) 2-ethylhexanoate [Sn(EH)2] reducing agent at 90 °C. The concentration of the copper catalyst was as low as 30 ppm, and a high initiation efficiency of the initiating sites was obtained. The chain-end functionality of the high MW, 3-arm star PMMA was confirmed by a chain extension experiment with styrene via ARGET ATRP, using the same catalyst system.",

keywords = "Activators regenerated by electron transfer (ARGET), Atom transfer radical polymerization (ATRP), High molecular weight, Poly(methyl methacrylate), Star polymer",

author = "Jeon, {Hyun Jeong} and Youk, {Ji Ho} and Cho, {Kwang Soo} and Ahn, {Sung Hee} and Choi, {Jin Hwan}",

year = "2009",

month = apr,

doi = "10.1007/BF03218686",

language = "English",

volume = "17",

pages = "240--244",

journal = "Macromolecular Research",

issn = "1598-5032",

publisher = "Polymer Society of Korea",

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T1 - Synthesis of High molecular weight 3-arm star PMMA by ARGET ATRP

AU - Jeon, Hyun Jeong

AU - Youk, Ji Ho

AU - Cho, Kwang Soo

AU - Ahn, Sung Hee

AU - Choi, Jin Hwan

PY - 2009/4

Y1 - 2009/4

N2 - High molecular weight (MW), 3-arm star poly(methyl methacrylate) (PMMA) with a narrow MW distribution (M=570,000 g/mol, PDI=1.36) was successfully synthesized by activators regenerated by electron transfer (ARGET) atom transfer radical polymerization (ATRP). The polymerization was carried out with a trifunctional initiator/CuBr2/N,N,N′,N″,N″- pentamethyldiethylenetriamine (PMDETA) initiator/catalyst system in the presence of a tin(II) 2-ethylhexanoate [Sn(EH)2] reducing agent at 90 °C. The concentration of the copper catalyst was as low as 30 ppm, and a high initiation efficiency of the initiating sites was obtained. The chain-end functionality of the high MW, 3-arm star PMMA was confirmed by a chain extension experiment with styrene via ARGET ATRP, using the same catalyst system.

AB - High molecular weight (MW), 3-arm star poly(methyl methacrylate) (PMMA) with a narrow MW distribution (M=570,000 g/mol, PDI=1.36) was successfully synthesized by activators regenerated by electron transfer (ARGET) atom transfer radical polymerization (ATRP). The polymerization was carried out with a trifunctional initiator/CuBr2/N,N,N′,N″,N″- pentamethyldiethylenetriamine (PMDETA) initiator/catalyst system in the presence of a tin(II) 2-ethylhexanoate [Sn(EH)2] reducing agent at 90 °C. The concentration of the copper catalyst was as low as 30 ppm, and a high initiation efficiency of the initiating sites was obtained. The chain-end functionality of the high MW, 3-arm star PMMA was confirmed by a chain extension experiment with styrene via ARGET ATRP, using the same catalyst system.

KW - Activators regenerated by electron transfer (ARGET)

KW - Atom transfer radical polymerization (ATRP)

KW - High molecular weight

KW - Poly(methyl methacrylate)

KW - Star polymer

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U2 - 10.1007/BF03218686

DO - 10.1007/BF03218686

M3 - Article

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SN - 1598-5032

VL - 17

SP - 240

EP - 244

JO - Macromolecular Research

JF - Macromolecular Research

IS - 4

ER -

Synthesis of High molecular weight 3-arm star PMMA by ARGET ATRP

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Keywords

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