Amplifying (im)perfection: the impact of crystallinity in discrete and disperse block co-oligomers

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Uittreksel

Crystallinity is seldomly utilized as part of the microphase segregation process in ultralow-molecular-weight block copolymers. Here, we show the preparation of two types of discrete, semicrystalline block co-oligomers, comprising an amorphous oligodimethylsiloxane block and a crystalline oligo-l-lactic acid or oligomethylene block. The self-assembly of these discrete materials results in lamellar structures with unforeseen uniformity in the domain spacing. A systematic introduction of dispersity reveals the extreme sensitivity of the microphase segregation process toward chain length dispersity in the crystalline block.

TaalEngels
Pagina's14869-14872
Aantal pagina's4
TijdschriftJournal of the American Chemical Society
Volume139
Nummer van het tijdschrift42
DOI's
StatusGepubliceerd - 25 okt 2017

Vingerafdruk

Oligomers
Lactic Acid
Molecular Weight
Crystalline materials
Lamellar structures
Lactic acid
Chain length
Self assembly
Block copolymers
Molecular weight

Citeer dit

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title = "Amplifying (im)perfection: the impact of crystallinity in discrete and disperse block co-oligomers",
abstract = "Crystallinity is seldomly utilized as part of the microphase segregation process in ultralow-molecular-weight block copolymers. Here, we show the preparation of two types of discrete, semicrystalline block co-oligomers, comprising an amorphous oligodimethylsiloxane block and a crystalline oligo-l-lactic acid or oligomethylene block. The self-assembly of these discrete materials results in lamellar structures with unforeseen uniformity in the domain spacing. A systematic introduction of dispersity reveals the extreme sensitivity of the microphase segregation process toward chain length dispersity in the crystalline block.",
author = "{van Genabeek}, B and B.A.G. Lamers and {de Waal}, B.F.M. and {van Son}, M.H.C. and A.R.A. Palmans and E.W. Meijer",
year = "2017",
month = "10",
day = "25",
doi = "10.1021/jacs.7b08627",
language = "English",
volume = "139",
pages = "14869--14872",
journal = "Journal of the American Chemical Society",
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publisher = "American Chemical Society",
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T1 - Amplifying (im)perfection

T2 - Journal of the American Chemical Society

AU - van Genabeek,B

AU - Lamers,B.A.G.

AU - de Waal,B.F.M.

AU - van Son,M.H.C.

AU - Palmans,A.R.A.

AU - Meijer,E.W.

PY - 2017/10/25

Y1 - 2017/10/25

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AB - Crystallinity is seldomly utilized as part of the microphase segregation process in ultralow-molecular-weight block copolymers. Here, we show the preparation of two types of discrete, semicrystalline block co-oligomers, comprising an amorphous oligodimethylsiloxane block and a crystalline oligo-l-lactic acid or oligomethylene block. The self-assembly of these discrete materials results in lamellar structures with unforeseen uniformity in the domain spacing. A systematic introduction of dispersity reveals the extreme sensitivity of the microphase segregation process toward chain length dispersity in the crystalline block.

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U2 - 10.1021/jacs.7b08627

DO - 10.1021/jacs.7b08627

M3 - Article

VL - 139

SP - 14869

EP - 14872

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

SN - 0002-7863

IS - 42

ER -