A reappraisal of the ‘thermoreversible’ gelation of aqueous poly(vinyl alcohol) solutions through freezing–thawing cycles
作者： Rebeca Hernandez , Daniel Lopez , Carmen Mijangos , Jean-Michel Guenet
DOI: 10.1016/S0032-3861(02)00470-6
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摘要: Abstract We report on a study of the gelation phenomenon poly(vinyl alcohol) in water through freezing–thawing cycles. From self-exclusion chromatography experiments carried out redissolved gels and microcalorimetry measurements performed we come to conclusion that is rather chemical than physical nature.
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