Temperature dependent rheology of surfactant-hydroxypropyl cellulose solutions.
作者： C. Todd Snively
DOI:
关键词: Pulmonary surfactant 、 Hydroxypropyl cellulose 、 Rheometry 、 Chemistry 、 Relative viscosity 、 Rheology 、 Degree Celsius 、 Polymer chemistry 、 Chemical engineering 、 Viscosity 、 Critical micelle concentration
摘要: The rheology of 1-8% hydroxypropyl cellulose (HPC) solutions has been studied in the temperature range 20-45 degrees Celsius. results showed that relative viscosity at each HPC concentration decreases with increasing temperature. drastically about 43 Celsius due to a phase transition. influence anionic surfactant, sodium dodecylsulfate (SDS), induced gelation 2% solution. gelled surfactant SDS concentrations ranging from 0.4 1.0 critical micelle (CMC). HPC/SDS hydrogel is explained SDD - bridged linear polymer chains. complex profile was determined below CMC water pair. peak itself function frequency indicating presence two relaxation times within network.
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