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BioMed Research International
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2015
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Article
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Tab 1
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Research Article
Synthesis and Properties of pH-, Thermo-, and Salt-Sensitive Modified Poly(aspartic acid)/Poly(vinyl alcohol) IPN Hydrogel and Its Drug Controlled Release
Table 1
Relationship between the ionic strength and swelling ratio.
Solution
Ionic strength (mmol/kg)
Swelling ratio (g⋅g
−1
)
IPN
Semi-IPN
KPAsp/PVA
10 mmol/L NaCl solution
10
152.66
116.73
10 mmol/L CaCl
2
solution
30
99.35
80.03
10 mmol/L FeCl
3
solution
60
68.94
52.14