Water sorption in cross-linked poly(vinyl alcohol) networks

Shafee, E. El; Naguib, Hala F.

doi:10.1016/s0032-3861(02)00865-0

Cited by 86 publications

(49 citation statements)

References 21 publications

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“…[78,92,[132][133][134][135][136][137] The swelling degree is observed to decrease with the crosslink density at an exponent of 0.5. [137] However, at low crosslink density, increasing amounts of hydrophilic crosslinker may increase the swelling degree.…”

Section: Electrolytesmentioning

confidence: 99%

Modeling Investigation of Hydrogel Volume Transition

Chen

et al. 2004

Macro Theory & Simulations

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Summary: This paper provides an overview of the latest development in modeling and simulation of volume transition behaviors of hydrogels with models at both macroscopic and molecular levels. Energy conservation law, mass conservation law and momentum conservation law provide good starting points for developing models for hydrogel volume transition. Thermodynamic models, transport models, multiphasic mixture theory and molecular simulation are discussed. Thermodynamic models provide qualitative description of equilibrium volume transition of hydrogels. Both transport models and multiphasic mixture theory can predict transient and equilibrium volume transition of hydrogels. Molecular simulation provides mechanistic understanding of hydrogel volume transition. Several key parameters are summarized for future model development.

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Section: Electrolytesmentioning

confidence: 99%

Modeling Investigation of Hydrogel Volume Transition

Chen

et al. 2004

Macro Theory & Simulations

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“…Other work [27][28][29] has shown that water molecules exist that are trapped in the polymer film during the drying process. This is particularly true of films allowed to dry in air without spin-coating effects [22].…”

Section: Resultsmentioning

confidence: 99%

Static deflection measurements of cantilever arrays reveal polymer film expansion and contraction

Snow

Weeks

Kim

et al. 2007

Journal of Colloid and Interface Science

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“…: +82-53-850-7605; e-mail: wclee@kiu.ac.kr screen printing 이나 photoresist에도 응용되고 있다 5,6) . 제지 산업(paper industry)에서도 PVA는 안료의 바 인더 7) 뿐만 아니라 접착제로서의 응용이 다양한 것 으로 알려져 있으며, 생명공학분야에서는 외과수술용 섬유(surgical fiber)나 약물전달(drug-delivery)매체로 응용되고 있다 8,9) . PVA의 섬유로서 개발된 것은 1924년 독일 과학 자인 Herrmamm, Baum, 및 Haehnel 박사에 의해 poly(vinyl acetate)를 검화하여 처음으로 섬유화 가 시도되었으며 10,11) …”

Section: 서 론unclassified

Modification of Nonwoven Poly(vinyl alcohol) Fabrics (I) - Reaction of Water Soluble Poly(vinyl alcohol) Nonwoven Fabrics with Phosphoryl Chloride -

이원철¹,

Kim²,

Jang³

et al. 2008

Textile Coloration and Finishing

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Abstract-This paper dealt with the synthesis and characterization of the polymeric product by the reaction of the water-soluble poly (vinyl alcohol)[PVA] nonwoven fabrics and the phosphoryl chloride (POCl3), which has been applied to prepare water-proofing materials or intermediates for increasing water-proofing or fire-proofing ability of commercially available water-soluble PVA support layer. POCl3 was reacted with PVA nonwoven fabrics under non-aqueous condition, and their reactivity, and chemical structure were checked and discussed. PVA was reacted with POCl3 under the reaction condition of 1:1, or 1:2 mole ratios at 70, 80 and 90℃, and the reaction products were further hydrolyzed. The structure of the resulting products from water soluble PVA nonwoven fabrics reacted with POCl3 were identified by FT-IR or X-ray fluorescence spectrophotometer, and they indicated the PVA polymer chains to have phosphorous and chlorine moieties.

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Water sorption in cross-linked poly(vinyl alcohol) networks

Cited by 86 publications

References 21 publications

Modeling Investigation of Hydrogel Volume Transition

Modeling Investigation of Hydrogel Volume Transition

Static deflection measurements of cantilever arrays reveal polymer film expansion and contraction

Modification of Nonwoven Poly(vinyl alcohol) Fabrics (I) - Reaction of Water Soluble Poly(vinyl alcohol) Nonwoven Fabrics with Phosphoryl Chloride -

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