Structure-property relationships of water-soluble ammonium-ionene copolymers

Mana Tamami; David Salas-De La Cruz; Karen I. Winey; Timothy Edward Long

doi:10.1002/macp.201200047

Structure-property relationships of water-soluble ammonium-ionene copolymers

Mana Tamami, David Salas-De La Cruz, Karen I. Winey, Timothy Edward Long

研究成果: Article › 査読

15 被引用数 (Scopus)

抄録

Water-soluble random copolymer ammonium ionenes with M̄ _w in the range of 17.4 to 20.8 kg mol ^-1 and various charge densities are synthesized from 1,12-dibromododecane, N,N,N′,N′-tetramethyl-1,6- hexanediamine, and 1,12-bis(N,N-dimethylamino)dodecane. Anion exchange of the bromine counterion forms ionenes with TFSI, TFO, and BF ₄ anions. The nature of the counteranion and charge density tailor the thermal and rheological properties of 12,6/12-ionenes, respectively. X-ray scattering reveals microphase separation with a correlation length of ≈7 nm for ionenes with 50 to 90% N,N,N′,N′-tetramethyl-1,6-hexanediamine content. Ionene copolymers display polyelectrolyte behavior in methanol based on a predicted scaling relationship between specific viscosity (ν _sp) and concentration.

本文言語	English
ページ（範囲）	965-972
ページ数	8
ジャーナル	Macromolecular Chemistry and Physics
巻	213
号	9
DOI	https://doi.org/10.1002/macp.201200047
出版ステータス	Published - 2012 5 14
外部発表	はい

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Organic Chemistry
Materials Chemistry

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10.1002/macp.201200047

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引用スタイル

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title = "Structure-property relationships of water-soluble ammonium-ionene copolymers",

abstract = "Water-soluble random copolymer ammonium ionenes with {\=M} w in the range of 17.4 to 20.8 kg mol -1 and various charge densities are synthesized from 1,12-dibromododecane, N,N,N′,N′-tetramethyl-1,6- hexanediamine, and 1,12-bis(N,N-dimethylamino)dodecane. Anion exchange of the bromine counterion forms ionenes with TFSI, TFO, and BF 4 anions. The nature of the counteranion and charge density tailor the thermal and rheological properties of 12,6/12-ionenes, respectively. X-ray scattering reveals microphase separation with a correlation length of ≈7 nm for ionenes with 50 to 90% N,N,N′,N′-tetramethyl-1,6-hexanediamine content. Ionene copolymers display polyelectrolyte behavior in methanol based on a predicted scaling relationship between specific viscosity (ν sp) and concentration.",

keywords = "counterion exchange, ionenes, morphology, polyelectrolytes, solution rheology",

author = "Mana Tamami and {Salas-De La Cruz}, David and Winey, {Karen I.} and Long, {Timothy Edward}",

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AU - Tamami, Mana

AU - Salas-De La Cruz, David

AU - Winey, Karen I.

AU - Long, Timothy Edward

PY - 2012/5/14

Y1 - 2012/5/14

N2 - Water-soluble random copolymer ammonium ionenes with M̄ w in the range of 17.4 to 20.8 kg mol -1 and various charge densities are synthesized from 1,12-dibromododecane, N,N,N′,N′-tetramethyl-1,6- hexanediamine, and 1,12-bis(N,N-dimethylamino)dodecane. Anion exchange of the bromine counterion forms ionenes with TFSI, TFO, and BF 4 anions. The nature of the counteranion and charge density tailor the thermal and rheological properties of 12,6/12-ionenes, respectively. X-ray scattering reveals microphase separation with a correlation length of ≈7 nm for ionenes with 50 to 90% N,N,N′,N′-tetramethyl-1,6-hexanediamine content. Ionene copolymers display polyelectrolyte behavior in methanol based on a predicted scaling relationship between specific viscosity (ν sp) and concentration.

AB - Water-soluble random copolymer ammonium ionenes with M̄ w in the range of 17.4 to 20.8 kg mol -1 and various charge densities are synthesized from 1,12-dibromododecane, N,N,N′,N′-tetramethyl-1,6- hexanediamine, and 1,12-bis(N,N-dimethylamino)dodecane. Anion exchange of the bromine counterion forms ionenes with TFSI, TFO, and BF 4 anions. The nature of the counteranion and charge density tailor the thermal and rheological properties of 12,6/12-ionenes, respectively. X-ray scattering reveals microphase separation with a correlation length of ≈7 nm for ionenes with 50 to 90% N,N,N′,N′-tetramethyl-1,6-hexanediamine content. Ionene copolymers display polyelectrolyte behavior in methanol based on a predicted scaling relationship between specific viscosity (ν sp) and concentration.

KW - counterion exchange

KW - ionenes

KW - morphology

KW - polyelectrolytes

KW - solution rheology

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