Aqueous solutions of methyl and hydroxypropyl methylcellulose are known to gel upon heating. These gels are completely reversible in that they are formed upon heating yet w i l l liquefy upon cooling. The precipitation temperature, gelation temperature, and gel strength of these methylcellulose so
Thermal Gelation of Methylcellulose in Water: Scaling and Thermoreversibility
β Scribed by Li, Lin
- Book ID
- 120962657
- Publisher
- American Chemical Society
- Year
- 2002
- Tongue
- English
- Weight
- 111 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0024-9297
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Dynamics of water and methylcellulose (MC) molecules in MC aqueous solution has been studied by means of quasi-elastic neutronscattering (QENS) measurements. The dynamic structure factor S(Q,E) of the MC aqueous solution was fitted well to the sum of Lorentzian and delta functions. The former is att
Reversible gels of two-directional cascade polymers with hydrophilic groups covalently attached by an hydrophobic center chain were studied by light and smallangle X-ray scattering, differential scanning calorimetry, and freeze-fracture transmission electron microscopy. The long, self-assembled fibe