SUPER-ALCOGELS BASED ON 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND POLY(ETHYLENE GLYCOL) MACROMER

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KABIRI KOUROSH; AZIZI AZADEH; ZOHURIAAN MEHR MOHAMMAD J; BAGHERI MARANDI GHOLAM; BOUHENDI HOSSEIN; JAMSHIDI AHMAD

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Journal: Iranian Polymer Journal Year:2011 | Volume:20 | Issue:3 (129) Page(s): 175-183

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Title

SUPER-ALCOGELS BASED ON 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND POLY(ETHYLENE GLYCOL) MACROMER

Author(s)

Keywords

ORGANOGEL

SUPER-ALCOGELS

POLYETHYLENE GLYCOL METHYLETHER METHACRYLATE

2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID

MACROMER

Abstract

Polymeric ORGANOGELs, macromolecular networks with ability to imbibe polar or non-polar organic solvents, have recently been attracted by both academy and industry. These materials (called also polymer ORGANOGELator) can convert an organic liquid to a solid gel. Alcohol specific super-swelling ORGANOGELs (i. e. , superalcogels) can be used for various applications such as fuel gels or pharmaceutical formulations. In this paper, SUPER-ALCOGELS were synthesized using a macromonomer (macromer), POLYETHYLENE GLYCOL METHYLETHER METHACRYLATE (PEGMA), and an ionic monomer, 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID (AMPS), through solution polymerization using a persulphate initiator and a MACROMERic cross-linker (polyethylene glycol diacrylate). The copolymers exhibited very high absorbency of various monohydric and polyhydric alcohols including methanol, ethanol, n-propanol, isopropanol, ethylene glycol, propylene glycol, 1, 3-propane diol and glycerol. For example, a typical sample imbibed ethanol and methanol as high as 33 and 36 g/g, respectively. It was found that several parameters had influence on swelling of an ORGANOGEL such as: dielectric constant of the solvent, the alcohol OH/C (as a simple measure of the hydrophyl/organophyl ratio) and the isomeric position of hydroxyl group in the alcohol chemical structure. The dissociating ability of the ionic groups (i. e. , SO3H groups) was recognized to be mainly affected by dielectric constant of the solvent. Higher AMPS content in the alcogel structure improved alcohol absorbency because of increased sulphonic acid mobile ions in the gel phase. Thermal and mechanical properties of these copolymers were also studied. Glass transition temperature of the copolymer was decreased with increase of the MACROMER and the samples with high MACROMERic content showed elastomeric behaviour at room temperature in dry state. Thermal stability was improved with lowering of AMPS content due to susceptibility of sulphonic acid group at lower temperatures.

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APA: Copy

KABIRI, KOUROSH, AZIZI, AZADEH, ZOHURIAAN MEHR, MOHAMMAD J, BAGHERI MARANDI, GHOLAM, BOUHENDI, HOSSEIN, & JAMSHIDI, AHMAD. (2011). SUPER-ALCOGELS BASED ON 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND POLY(ETHYLENE GLYCOL) MACROMER. IRANIAN POLYMER JOURNAL (ENGLISH), 20(3 (129)), 175-183. SID. https://sid.ir/paper/571565/en

Vancouver: Copy

KABIRI KOUROSH, AZIZI AZADEH, ZOHURIAAN MEHR MOHAMMAD J, BAGHERI MARANDI GHOLAM, BOUHENDI HOSSEIN, JAMSHIDI AHMAD. SUPER-ALCOGELS BASED ON 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND POLY(ETHYLENE GLYCOL) MACROMER. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2011;20(3 (129)):175-183. Available from: https://sid.ir/paper/571565/en

IEEE: Copy

KOUROSH KABIRI, AZADEH AZIZI, MOHAMMAD J ZOHURIAAN MEHR, GHOLAM BAGHERI MARANDI, HOSSEIN BOUHENDI, and AHMAD JAMSHIDI, “SUPER-ALCOGELS BASED ON 2-ACRYLAMIDO-2-METHYLPROPANE SULPHONIC ACID AND POLY(ETHYLENE GLYCOL) MACROMER,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 20, no. 3 (129), pp. 175–183, 2011, [Online]. Available: https://sid.ir/paper/571565/en

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