Nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic self-healing silicone materials with reversible coordination

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Nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic self-healing silicone materials with reversible coordination. / Deriabin, Konstantin V.; Ignatova, Nina A.; Kirichenko, Sergey O.; Novikov, Alexander S.; Islamova, Regina M.

In: Polymer, Vol. 212, 123119, 06.01.2021.

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

BibTeX

@article{ca7991256d0b4156bfda2ad5704c4bcf,

title = "Nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic self-healing silicone materials with reversible coordination",

abstract = "The nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic silicone rubbers were prepared. The structure of the Ni(II) coordination cross-links was fully characterized by X-ray crystallography, high-resolution mass spectrometry, IR and UV–vis spectroscopy of the low-molecular weight model complex. The nickel content in the polymer-metal complexes varied from 2.78 to 0.12 wt%. Mechanical properties of the polymer-metal complexes was controlled by the Ni(II) load variations, metal to ligand molar ratios of 1:(1–8), and by the polydimethylsiloxane unit length, Mn: 850–900, 5000 or 25000 g∙mol−1; an increase of the polysiloxane chain length and a decrease of Ni(II) load led to higher elasticity and lower hysteresis (3%). The elongation at break of the polymer-metal complexes was up to 1800% and the self-healing efficiency was up to 92.5% at room temperature (for the rubber with a polydimethylsiloxane unit Mn = 25000 g∙mol−1). The glass transition temperatures of the nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxanes were from −123 °C to −112 °C, and the electroconductivity was 10−13–10−11 S∙cm−1.",

keywords = "Polysiloxane, Polymer-metal complex, Self-healing, Polysiloxane, Polymer-metal complex, Self-healing",

author = "Deriabin, {Konstantin V.} and Ignatova, {Nina A.} and Kirichenko, {Sergey O.} and Novikov, {Alexander S.} and Islamova, {Regina M.}",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",

year = "2021",

month = jan,

day = "6",

doi = "10.1016/j.polymer.2020.123119",

language = "English",

volume = "212",

journal = "Polymer",

issn = "0032-3861",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic self-healing silicone materials with reversible coordination

AU - Deriabin, Konstantin V.

AU - Ignatova, Nina A.

AU - Kirichenko, Sergey O.

AU - Novikov, Alexander S.

AU - Islamova, Regina M.

PY - 2021/1/6

Y1 - 2021/1/6

N2 - The nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic silicone rubbers were prepared. The structure of the Ni(II) coordination cross-links was fully characterized by X-ray crystallography, high-resolution mass spectrometry, IR and UV–vis spectroscopy of the low-molecular weight model complex. The nickel content in the polymer-metal complexes varied from 2.78 to 0.12 wt%. Mechanical properties of the polymer-metal complexes was controlled by the Ni(II) load variations, metal to ligand molar ratios of 1:(1–8), and by the polydimethylsiloxane unit length, Mn: 850–900, 5000 or 25000 g∙mol−1; an increase of the polysiloxane chain length and a decrease of Ni(II) load led to higher elasticity and lower hysteresis (3%). The elongation at break of the polymer-metal complexes was up to 1800% and the self-healing efficiency was up to 92.5% at room temperature (for the rubber with a polydimethylsiloxane unit Mn = 25000 g∙mol−1). The glass transition temperatures of the nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxanes were from −123 °C to −112 °C, and the electroconductivity was 10−13–10−11 S∙cm−1.

AB - The nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxane complexes as elastic silicone rubbers were prepared. The structure of the Ni(II) coordination cross-links was fully characterized by X-ray crystallography, high-resolution mass spectrometry, IR and UV–vis spectroscopy of the low-molecular weight model complex. The nickel content in the polymer-metal complexes varied from 2.78 to 0.12 wt%. Mechanical properties of the polymer-metal complexes was controlled by the Ni(II) load variations, metal to ligand molar ratios of 1:(1–8), and by the polydimethylsiloxane unit length, Mn: 850–900, 5000 or 25000 g∙mol−1; an increase of the polysiloxane chain length and a decrease of Ni(II) load led to higher elasticity and lower hysteresis (3%). The elongation at break of the polymer-metal complexes was up to 1800% and the self-healing efficiency was up to 92.5% at room temperature (for the rubber with a polydimethylsiloxane unit Mn = 25000 g∙mol−1). The glass transition temperatures of the nickel(II)-pyridinedicarboxamide-co-polydimethylsiloxanes were from −123 °C to −112 °C, and the electroconductivity was 10−13–10−11 S∙cm−1.

KW - Polysiloxane

KW - Polymer-metal complex

KW - Self-healing

KW - Polysiloxane

KW - Polymer-metal complex

KW - Self-healing

UR - http://www.scopus.com/inward/record.url?scp=85095845113&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/56341089-bd70-392a-a8cc-237546a01909/

U2 - 10.1016/j.polymer.2020.123119

DO - 10.1016/j.polymer.2020.123119

M3 - Article

VL - 212

JO - Polymer

JF - Polymer

SN - 0032-3861

M1 - 123119

ER -

ID: 70761798