Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 111, Issue 35, Pages 13205-13211Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp0728959
Keywords
-
Ask authors/readers for more resources
We employ fluorescence correlation spectroscopy to study length dependent dynamics in transient and grafted cross-linked poly(N-isopropylacrylamide) (PNIPAAm) networks at different concentrations and cross-link densities, respectively. For nondilute PNIPAAm solutions, the molecular diffusants appear to sense local dynamic; on the length scale of the mesh size obtained from photon correlation spectroscopy, whereas a polymer probe, comparable to the PNIPAAm size, reveals global chain motions. The relation of the tracer Brownian diffusion to the mesh size can be utilized to characterize permanently cross-linked and grafted PNIPAAm networks.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available