Membranes Prepared from a Blend of Poly(acrylic Acid) and Natural Rubber-Graft-Poly(vinyl Alcohol) (PAA/NR-g-PVA)

Wilairat Wongthep; Chaiwat Ruksakulpiwat; Sittipong Amnuaypanich

doi:10.4028/www.scientific.net/AMR.93-94.268

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 93-94Membranes Prepared from a Blend of Poly(acrylic...

Membranes Prepared from a Blend of Poly(acrylic Acid) and Natural Rubber-Graft-Poly(vinyl Alcohol) (PAA/NR-g-PVA)

Abstract:

The blend membranes from PAA and NR-graft-PVA were prepared. By introducing potassium persulfate (KPS) initiator, PVA can be chemically attached to the NR latex particles which was confirmed by FT-IR spectroscopy. Most of added-PVA was grafted on the NR latex particles as indicated by the almost-linear increasing of grafting percentage. The swelling of the PAA/NR-g-PVA blend membranes was performed in different concentrations of water-ethanol solutions. For the water concentration lesser than 30 vol.%, all membranes showed almost no-swelling but beyond 30 vol.% water, the degree of swelling revealed the substantial swelling with the degree of swelling increased as PAA content in the membrane increased.

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Periodical:

Advanced Materials Research (Volumes 93-94)

Pages:

268-271

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.93-94.268

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Online since:

January 2010

Authors:

Wilairat Wongthep, Chaiwat Ruksakulpiwat, Sittipong Amnuaypanich

Keywords:

Grafting, Membrane, Natural Rubber (NR), Poly(Acrylic Acid), Poly(vinyl alcohol)

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