通用状态方程描述了凝胶化过程中的渗透压
Universal equation of state describes osmotic pressure throughout gelation process
摘要：
线性高分子溶液在良溶剂中的渗透压状态方程普遍可用标度函数描述。我们通过渗透去溶胀实验测量凝胶化过程的渗透压。我们发现，同样的线性聚合物溶液的标度函数也描述了渗透压在整个凝胶化过程中涉及溶胶和凝胶状态。此外，我们揭示了聚合物凝胶的渗透压普遍由线性聚合物溶液的半稀释标度律。
英文摘要：
The equation of state of the osmotic pressure for linear-polymer solutions in good solvents is universally described by a scaling function. We experimentally measure the osmotic pressure of the gelation process via osmotic deswelling. We find that the same scaling function for linear-polymer solutions also describes the osmotic pressure throughout the gelation process involving both the sol and gel states. Furthermore, we reveal that the osmotic pressure of polymer gels is universally governed by the semidilute scaling law of linear-polymer solutions.
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