2011
DOI: 10.1155/2011/151607
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Investigation of Complexation of Linear Poly(N‐vinyl‐2‐pyrrolidone) with Poly(methacrylic acid‐co‐methyl methacrylate) Gel

Abstract: The contraction of poly(methacrylic acid-co-methyl methacrylate) (P(MAA-co-MMA)) gel induced by complexation with linear poly(N-vinyl-2-pyrrolidone) (PVP) is quite different from that of poly(acrylic acid) (PAA) or poly(methacrylic acid) (PMAA) gel. It was found that the concentration of PVP has a strong effect on the complexation with P(MAA-co-MMA) gel. When PVP was introduced into the P(MAA-co-MMA) network, its dynamic mechanic properties vary greatly between complexed and uncomplexed networks. It had the fo… Show more

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Cited by 3 publications
(2 citation statements)
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“…This result suggests that the interactions occurring between PVP and C:H:N/SiO x (the PVP C_O band at 1690-1645 cm −1 ) are possibly bound with C\H bonds of a-C:H:N/SiO x . The PVP C_O band at 1674 cm −1 , which corresponds to the valence vibrations in the free carbonyl groups of PVP [23] combined with a-C:H:N/SiO x . For a-C: H/SiO x /PVP20% composite films, the carbonyl stretching frequency is split into two bands at 1672 cm −1 and 1644 cm Table 3 Other peak assignments of the undoped DLC-PVP and nitrogen-doped DLC-PVP composite films.…”
Section: Resultsmentioning
confidence: 99%
“…This result suggests that the interactions occurring between PVP and C:H:N/SiO x (the PVP C_O band at 1690-1645 cm −1 ) are possibly bound with C\H bonds of a-C:H:N/SiO x . The PVP C_O band at 1674 cm −1 , which corresponds to the valence vibrations in the free carbonyl groups of PVP [23] combined with a-C:H:N/SiO x . For a-C: H/SiO x /PVP20% composite films, the carbonyl stretching frequency is split into two bands at 1672 cm −1 and 1644 cm Table 3 Other peak assignments of the undoped DLC-PVP and nitrogen-doped DLC-PVP composite films.…”
Section: Resultsmentioning
confidence: 99%
“…These publication numbers show that the research and development of VP hydrogels are still in their infancy compared to the continued and significantly increased efforts to develop hydrogels [12]. However, although methacrylic acid is mentioned in about 30 of these publications (such as crosslinking with gamma rays [13][14][15][16][17][18], photopolymerization [19], polymerization by ATR method [9], grafting polymerization [20], and IPN formation [21]), there are no studies on the preparation of copolymeric hydrogels by free radical polymerization using azobisisobutyronitrile (AIBN) initiator.…”
Section: Introductionmentioning
confidence: 99%