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| 001 | 860479 | ||
| 005 | 20210130000524.0 | ||
| 024 | 7 | _ | |a 10.1039/C7SM02216F |2 doi |
| 024 | 7 | _ | |a 1744-683X |2 ISSN |
| 024 | 7 | _ | |a 1744-6848 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2019-01233 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Dorogin, L. |0 P:(DE-Juel1)168534 |b 0 |
| 245 | _ | _ | |a Contact mechanics for polydimethylsiloxane: from liquid to solid |
| 260 | _ | _ | |a London |c 2018 |b Royal Soc. of Chemistry |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1549283962_11715 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Adhesion between a glass ball and a polydimethylsiloxane (PDMS) sample is dependent on the PDMS cross-link density, and the transformation of the material from the uncrosslinked liquid state to the fully crosslinked solid state is investigated in this study. The physical picture reflected a gradual transition from capillary forces driven contact mechanics to the classical Johnson–Kendall–Roberts (JKR)-type contact mechanics. PDMS was produced by mixing the base fluid and a cross-linker at a ratio of 10 : 1 and allowed to slowly cross-link at room temperature with simultaneous measurement of the ball–PDMS interaction force. The PDMS sample was in the liquid state during the first ≈16 hours, and in this case the ball–PDMS interaction was purely adhesive, i.e., no repulsive interaction was observed. Later at the PDMS gel-point the cross-linked PDMS clusters percolate, converting the fluid into a soft (fluid-filled) poroelastic solid. In the transition period, PDMS appears similar to pressure-sensitive adhesives. There we observe so-called “stringing” and permanent deformation of the material impacted by the ball. At room temperature, it takes more than ∼100 hours for PDMS to fully cross-link that can be confirmed by the comparison with the earlier-studied reference PDMS produced at elevated temperatures. |
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| 588 | _ | _ | |a Dataset connected to CrossRef |
| 700 | 1 | _ | |a Persson, Bo |0 P:(DE-Juel1)130885 |b 1 |e Corresponding author |u fzj |
| 773 | _ | _ | |a 10.1039/C7SM02216F |g Vol. 14, no. 7, p. 1142 - 1148 |0 PERI:(DE-600)2191476-X |n 7 |p 1142 - 1148 |t Soft matter |v 14 |y 2018 |x 1744-6848 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/860479/files/c7sm02216f.pdf |y Restricted |
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