NMR and fluorescence studies of the self-association behavior of an amphiphilic polyanion bearing hydrocarbon and fluorocarbon hydrophobes
摘要:
The association behavior of the terpolymers of sodium 2-acrylamido-2-methylpropanesulfonate (NaAMPS), N-dodecylmethacrylamide (DodMAm), and N-(2-(perfluorooctyl)ethyl)methacrylamide (PFOEMAm) (A/H(x)/F(y)) and their reference copolymers of NaAMPS and PFOEMAm (A/F(y)) was characterized using F-19 and H-1 NMR, steady state fluorescence, and dynamic light scattering techniques in water (or D2O) containing 0.1 M NaCl. The terpolymers formed micelle-like aggregates where hydrophobic microdomains are formed by hydrophobic associations among the perfluorooctylerhyl (PFOE) and dodecyl (Dod) groups, the PFOE group exhibiting a stronger tendency for interpolymer association than the Dod groups. A careful analysis of the characterization data led to a conclusion that the hydrophobic microdomain formed from the terpolymer is microscopically phase separated into the fluorocarbon phase and hydrocarbon phase. (C) 2011 Elsevier Ltd. All rights reserved.
INK COMPOSITION, INKJET RECORDING METHOD AND PROCESS FOR PRODUCING MOLDED PRINTED MATERIAL
申请人:MOCHIZUKI Kyohei
公开号:US20110242191A1
公开(公告)日:2011-10-06
An ink composition is provided that includes (Component a) an open-chain and/or cyclic ether bond-containing monofunctional (meth)acrylate, (Component b) one or more monofunctional ethylenically unsaturated compounds selected from the group consisting of a polycyclic aliphatic group-containing monofunctional (meth)acrylate and N-vinyl-2-caprolactam, (Component c) a polymerization initiator, (Component e) a polyfunctional (meth)acrylate at no greater than 10 wt % relative to the ink composition, and (Component f) a fluorine-substituted hydrocarbon group- or siloxane structure-containing polymer, the ratio by weight of (Component a)/(Component b) being 0.7 to 1.9. There are also provided an inkjet recording method that includes (a
1
) an image formation step of forming an image above a recording medium by discharging the ink composition by an inkjet method and (b
1
) a curing step of curing the ink composition by irradiating the obtained image with actinic radiation to thus obtain a cured image above the recording medium, and a process for producing a molded printed material that includes (a
2
) an image formation step of forming an image above a recording medium by discharging the ink composition by an inkjet method, (b
2
) a curing step of curing the ink composition by irradiating the obtained image with actinic radiation to thus obtain a printed material having a cured image above the recording medium, and (c
2
) a molding step of molding the printed material.
Described herein are multifunctional polymers comprising a first repeating unit having at least one pseudo-cationic moiety, a second repeating unit having at least a hydrophobic moiety, and a third repeating unit, where the weight-average molecular weight is less than about 10,000 Da. In one embodiment the polymers exhibit antimicrobial activity. Also provided are compositions formulated with the multifunctional polymers, and a method of providing antimicrobial activity.
Described herein are multifunctional polymers comprising a first repeating unit having at least one pseudo-cationic moiety, a second repeating unit having at least a hydrophobic moiety, and a third repeating unit, where the weight-average molecular weight is less than about 10,000 Da. In one embodiment the polymers exhibit antimicrobial activity. Also provided are compositions formulated with the multifunctional polymers, and a method of providing antimicrobial activity.
NMR and fluorescence studies of the self-association behavior of an amphiphilic polyanion bearing hydrocarbon and fluorocarbon hydrophobes
The association behavior of the terpolymers of sodium 2-acrylamido-2-methylpropanesulfonate (NaAMPS), N-dodecylmethacrylamide (DodMAm), and N-(2-(perfluorooctyl)ethyl)methacrylamide (PFOEMAm) (A/H(x)/F(y)) and their reference copolymers of NaAMPS and PFOEMAm (A/F(y)) was characterized using F-19 and H-1 NMR, steady state fluorescence, and dynamic light scattering techniques in water (or D2O) containing 0.1 M NaCl. The terpolymers formed micelle-like aggregates where hydrophobic microdomains are formed by hydrophobic associations among the perfluorooctylerhyl (PFOE) and dodecyl (Dod) groups, the PFOE group exhibiting a stronger tendency for interpolymer association than the Dod groups. A careful analysis of the characterization data led to a conclusion that the hydrophobic microdomain formed from the terpolymer is microscopically phase separated into the fluorocarbon phase and hydrocarbon phase. (C) 2011 Elsevier Ltd. All rights reserved.