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240524s2024 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.4c01329
|2 doi
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|a pubmed24n1428.xml
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|a (NLM)38781461
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|a DE-627
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|e rakwb
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|a eng
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|a Luo, Guangzeng
|e verfasserin
|4 aut
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|a Well-Tailored Norbornene-Based Fluorinated Copolymers toward Modulating Icephobicity and Mechanical Robustness
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 04.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Well-tailored construction of icephobic surfaces with mechanical robustness and investigation of the structure-property relationships at the molecular level are highly desirable. Herein, a series of norbornene-based fluorinated polyolefin copolymers (FPOR-x) with varying norbornenyl dodecafluoroheptyl ester (NDFHE) molar fractions (0-100 mol %) were well-designed and fabricated via living ring-opening metathesis polymerization (ROMP) employing NDFHE and norbornenyl pentafluorophenyl ester (NPFPE) as the soft and hard segments, respectively. The mechanical and icephobic properties of the fluorinated copolymers can be regulated by adjusting the soft NDFHE contents. As a result, the well-designed norbornene-based copolymers exhibited a wide range of tunable mechanical properties, including tensile strength ranging from 0.2 to 26.4 MPa, elastic modulus ranging from 0.6 to 593.7 MPa, and breaking elongations ranging from 5718.7% to 3.7%, correlating with the proportion of soft NDFHE content. Furthermore, the synergistic interplay between soft and hard segments, particularly the hardness in the majority and softness in the minority or vice versa, could achieve a significant difference in the local modulus and enhance the propagations of cracks within the three-phase regions (soft regions/hard regions/ice), ultimately leading to a significant reduction in ice shear strength. Notably, FPOR-25% with a tensile strength of 12.0 MPa and an elastic modulus of 227.5 MPa exhibited a remarkably low ice shear strength of 57.7 kPa. This study not only highlights the relationship between the polymer molecular structure and surface icephobic properties but also breaks the limitations of icephobic surfaces with a low modulus
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|a Journal Article
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1 |
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|a Gao, Zhilu
|e verfasserin
|4 aut
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1 |
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|a Zhou, Cuiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Yintan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Shuangshuang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Yifan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zong, Chuanyong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lei, Lan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Hui
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 40(2024), 22 vom: 04. Juni, Seite 11785-11794
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:40
|g year:2024
|g number:22
|g day:04
|g month:06
|g pages:11785-11794
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|u http://dx.doi.org/10.1021/acs.langmuir.4c01329
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