Thermo/hydration responsive shape memory polymers with enhanced hydrophilicity for biomedical applications Page: 7
10 p.View a full description of this article.
Extracted Text
The following text was automatically extracted from the image on this page using optical character recognition software:
Smart Mater. Struct. 32 (2023) 015006
(a)
100
95
a,
90
) 8580
0 10 20 30 40
(b)
32
Cs
cc
C
v)
x
C-100
95
90
85
80Figure 4. Shape fixity (Rf) and shape recovery (Rr) ratio of SMPs under dry condition of (a) DAc-modified and (b) PAc-modified polymers.
Mean values and standard deviations are shown for n = 3 measurements each.Omol%
DAc 10mol%
DAc 20mol%
DAc 30mol%
DAc 40mol%
-
10 20 30 40 50 60 70
Temperature (C)
PAc 10mol%
PAc 20mol%
PAc 30mol%
PAc 40mol%
--i~ r 3(b)
80
(d)
20 30 40 50 60 70 80
Temperature (C)1.8 Omo-%
1.6 DAcl10mol%
1.4 DAc 20mol%
1.2 DAc 30mol%
DAc 40mol%
1.0
0.8
0.6
0.4
0.2
0.0 - -
-0.2
10 20 30 40 50 60 70 8
Temperature (C)1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-0.2
100
20 30 40 50 60 70 80
Temperature (C)Figure 5. Thermomechanical properties of modified SMPs under wet conditions (a) E'; (b) tan delta for DAc; (c) E'; (d) tan delta for PAc.
which can be calculated from the measured contact angles DAc-modified polymers, both -yd and yp increased as the DAc
for two probe liquids with different -yd and yp values. In this molar ratio increased, while modification by PAc increased -yd
work, water and diiodomethane were used, which are a widely but decreased 'yp (figure S10). DAc modification increased -yd
used combination for this method (table S1) [38]. For the and -yp mainly owing to the benzene ring and two hydroxyl.*.
Rr
RfRr
* Rf
0 10 20 30 40(a)
1000
100
10
10(C) 1000
100
101I
10Omol%
PAc 1Omol%
- PAc 20mol%
PAc 30mol%
PAc 40mol%. . . . . . . . . . . . .
.
Y Suzuki et al
Upcoming Pages
Here’s what’s next.
Search Inside
This article can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Article.
Suzuki, Yuta; Hu, Qichan; Batchelor, Benjamin; Voit, Walter & Ecker, Melanie. Thermo/hydration responsive shape memory polymers with enhanced hydrophilicity for biomedical applications, article, December 5, 2022; (https://digital.library.unt.edu/ark:/67531/metadc2179416/m1/7/: accessed July 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT College of Engineering.