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Reinforcement of organo-modified molybdenum disulfide nanosheets on the mechanical and thermal properties of polyurethane acrylate films.

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Title: Reinforcement of organo-modified molybdenum disulfide nanosheets on the mechanical and thermal properties of polyurethane acrylate films.
Authors: Feng, Xiaming1,2, Xing, Weiyi1 xingwy@ustc.edu.cn, Liu, Jiajia1,2, Qiu, Shuilai1,2, Hu, Yuan1,2 yuanhu@ustc.edu.cn, Liew, Kim Meow2,3
Source: Composites Science & Technology. Dec2016, Vol. 137, p188-195. 8p.
Subjects: Molybdenum disulfide, Thermal properties, Polyurethanes, Acrylates, Electrostatics
Abstract: Molybdenum disulfide (MoS 2 ) nanosheets were non-covalently organo-modified by electrostatically interacting with cetylpyridinium chloride (CPC) and then were used to reinforce the properties of polyurethane acrylate (PUA) resin for the first time. Benefited from the alkyl chain of CPC, the modified MoS 2 nanosheets can be well dispersed in PUA matrix. Notably, inclusion of 0.5 wt% CPC-MoS 2 leads to a 11.7 °C increase in the temperature corresponding to 50 wt % weight loss, indicating the enhanced thermal stability of PUA nanocomposites. Moreover, the improvement in tensile strength, work of fracture and storage modulus (at −75 °C) of PUA/f-MoS 2 nanocomposites can reach up to 37.4%, 41.9% and 102.0% respectively. This substantial nano-reinforcement is mainly attributed to the proper organic modification and inherent feature of MoS 2 nanosheets. The strong interfacial adhesion within PUA/f-MoS 2 nanocomposites can efficiently transfer the load from weak polymer chains to robust MoS 2 nanosheets. [ABSTRACT FROM AUTHOR]
Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 119583528
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Reinforcement of organo-modified molybdenum disulfide nanosheets on the mechanical and thermal properties of polyurethane acrylate films.
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  Data: <searchLink fieldCode="AR" term="%22Feng%2C+Xiaming%22">Feng, Xiaming</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Xing%2C+Weiyi%22">Xing, Weiyi</searchLink><relatesTo>1</relatesTo><i> xingwy@ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Jiajia%22">Liu, Jiajia</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Qiu%2C+Shuilai%22">Qiu, Shuilai</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Hu%2C+Yuan%22">Hu, Yuan</searchLink><relatesTo>1,2</relatesTo><i> yuanhu@ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liew%2C+Kim+Meow%22">Liew, Kim Meow</searchLink><relatesTo>2,3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Composites+Science+%26+Technology%22">Composites Science & Technology</searchLink>. Dec2016, Vol. 137, p188-195. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Molybdenum+disulfide%22">Molybdenum disulfide</searchLink><br /><searchLink fieldCode="DE" term="%22Thermal+properties%22">Thermal properties</searchLink><br /><searchLink fieldCode="DE" term="%22Polyurethanes%22">Polyurethanes</searchLink><br /><searchLink fieldCode="DE" term="%22Acrylates%22">Acrylates</searchLink><br /><searchLink fieldCode="DE" term="%22Electrostatics%22">Electrostatics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Molybdenum disulfide (MoS 2 ) nanosheets were non-covalently organo-modified by electrostatically interacting with cetylpyridinium chloride (CPC) and then were used to reinforce the properties of polyurethane acrylate (PUA) resin for the first time. Benefited from the alkyl chain of CPC, the modified MoS 2 nanosheets can be well dispersed in PUA matrix. Notably, inclusion of 0.5 wt% CPC-MoS 2 leads to a 11.7 °C increase in the temperature corresponding to 50 wt % weight loss, indicating the enhanced thermal stability of PUA nanocomposites. Moreover, the improvement in tensile strength, work of fracture and storage modulus (at −75 °C) of PUA/f-MoS 2 nanocomposites can reach up to 37.4%, 41.9% and 102.0% respectively. This substantial nano-reinforcement is mainly attributed to the proper organic modification and inherent feature of MoS 2 nanosheets. The strong interfacial adhesion within PUA/f-MoS 2 nanocomposites can efficiently transfer the load from weak polymer chains to robust MoS 2 nanosheets. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Composites Science & Technology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.compscitech.2016.11.002
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      – Code: eng
        Text: English
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        PageCount: 8
        StartPage: 188
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      – SubjectFull: Molybdenum disulfide
        Type: general
      – SubjectFull: Thermal properties
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      – SubjectFull: Polyurethanes
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      – SubjectFull: Acrylates
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      – SubjectFull: Electrostatics
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            NameFull: Feng, Xiaming
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              Text: Dec2016
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