Polyacrylic acid/poly

Polyacrylic Acid/Poly-L-lysine/ (No Coating) ST A/S Irregular Shape... 

Polystyrene Poly(methyl methacrylate) Polyacrylic acid Poly(iV-vinylpyrrolidone)... 

Mixture of polyacrylic acid-poly[pyrene methanol] and polyurethane DMF 26 wt.% Optical sensor... 

Poly (acrylic acid). See Polyacrylic acid Poly (acrylic acid-acrylamide). See Acrylic acid/acrylamide copolymer Poly (acrylic acid), ammonium salt. See Ammonium polyacrylate Polyacrylic acid-co-hypophosphite, sodium salt CAS 71050-62-9... 

PL aquagel - OH 50, 10 pM 200 -100,000 Water soluble polymers Pol)winyl alcohol, polyacrylic acid, poly 2-vinyl pyridine... 

Fig. 10.1. The dependence of degree of conversion, 0, in polyion addition reactions on pH for the following systems 1 polyacrylic acid/poly(dimethyl-aminoethyl methacrylate hydrochloride) 2 poly (dimethylaminoethyl methacrylate) /poly (sodium...

The GBR resin works well for nonionic and certain ionic polymers such as various native and derivatized starches, including sodium carboxymethylcel-lulose, methylcellulose, dextrans, carrageenans, hydroxypropyl methylcellu-lose, cellulose sulfate, and pullulans. GBR columns can be used in virtually any solvent or mixture of solvents from hexane to 1 M NaOH as long as they are miscible. Using sulfonated PDVB gels, mixtures of methanol and 0.1 M Na acetate will run many polar ionic-type polymers such as poly-2-acrylamido-2-methyl-l-propanesulfonic acid, polystyrene sulfonic acids, and poly aniline/ polystyrene sulfonic acid. Sulfonated columns can also be used with water glacial acetic acid mixtures, typically 90/10 (v/v). Polyacrylic acids run well on sulfonated gels in 0.2 M NaAc, pH 7.75. 

The soapless seeded emulsion copolymerization method was used for producing uniform microspheres prepared by the copolymerization of styrene with polar, functional monomers [115-117]. In this series, polysty-rene-polymethacrylic acid (PS/PMAAc), poly sty rene-polymethylmethacrylate-polymethacrylic acid (PS/ PMMA/PMAAc), polystyrene-polyhydroxyethylmeth-acrylate (PS/PHEMA), and polystyrene-polyacrylic acid (PS/PAAc) uniform copolymer microspheres were synthesized by applying a multistage soapless emulsion polymerization process. The composition and the average size of the uniform copolymer latices prepared by multistage soapless emulsion copolymerization are given in Table 11. 

Hydrophobic side chain polyamides from N,N-didodecylamine and sodium poly aery late or polyacrylic acid [1240]... 

Figure 11. Serum assays of diabetic rats after 14 days of treatment with 18 IU of bovine insulin, b.i.d., in polyacrylic and poly acrylic acid resins.

Fig. 1.5 SEM micrographs of (A) donut-shaped poly(aspartate) and MgCl2 by alternate spin CaC03 crystals grown on polyacrylic acid grafted coating and crystallization. (A) and (B) adapted chitosan, (B) CaC03 hollow helix, fractured by from [84] and [85]with permission from Elsevier, micro-manipulation, formed on poly(a-L-aspar- and (C) from [88] (reproduced by permission of tate),and (C) double layered aragonitethin films The Royal Society of Chemistry), grown on a chitosan matrix in the presence of...

Recently, Kong et al. [159] functionalized MWNT with polyacrylic acid (PAA) and poly(sodium 4-styrenesulfonate) (PSS) by surface-initiating ATRP (atom transfer radical polymerization) following the Schemes 1 and 2 ... 

A comparison of Tables 9-12 indicates that naturally occurring species tend to produce stable membranes more abundantly. We believe this is due to the cyclic nature and rigidity of the backbone, as will be discussed in the following section of the paper. Several trends are immediately obvious. For example, the hydrophobicity of the polymer appears to be a critical parameter. While polyacrylic acid can form a stable membrane with virtually all polycations, poly-methacrylic acid is much less effective. Similarly, propylene glycol modified alginate is less effective than sodium alginate. Furthermore, when the poly-... 

The third approach has been to graft the redox couple by means of a covalent bond to the polyelectrolyte backbond as described early in 1965 in the book of Cassidy and Run [20]. Several of these systems are charged polymers in at least one oxidation state, like poly(viologen), poly(vinylferrocene), and so on. Examples of polyelectrolytes like polyacrylic acid with covalently bound viologen were reported by Fernandez, Katz and coworkers [21], hydroquinone [22] and Anson et al. with bound ferrocene [23]. 

Properties of composites obtained by template poly condensation of urea and formaldehyde in the presence of poly(acrylic acid) were described by Papisov et al. Products of template polycondensation obtained for 1 1 ratio of template to monomers are typical glasses, but elastic deformation up to 50% at 90°C is quite remarkable. This behavior is quite different from composites polyacrylic acid-urea-formaldehyde polymer obtained by conventional methods. Introduction of polyacrylic acid to the reacting system of urea-formaldehyde, even in a very small quantity (2-5%) leads to fibrilization of the product structure. Materials obtained have a high compressive strength (30-100 kg/cm ). Further polycondensation of the excess of urea and formaldehyde results in fibrillar structure composites. Structure and properties of such composites can be widely varied by changes in initial composition and reaction conditions. 

Other hydrogels are prepared from poly(a-hydroxylic) acids, e.g., lactic acid, polyacrylic acid, acrylamides and acrylated polyvinyl alcohol, and polyethylene glycol. 

The second group already contains donor groups (usually oxygen or nitrogen) and, thus, requires no further chemical modification. These include polyacrylic acid (82, 83), polyvinyl alcohol (60), polymeric Schiff s bases (65), poly-L-methylethylenimine (52), poly-2-vinylpyridine (78, 79, 98), poly-4-vinylpyridine (24), and polyvinylamine (54, 59). 

Strong evidence of ionic association was found by Stilbs and Lindman 69) in their PGSE study of aqueous polyelectrolyte solutions, polyacrylic acid and poly-methacrylic acid, neutralized by tetramethylammonium hydroxide, with or without sodium counterions. While polymer diffusion could not be detected since its T2 was too short, TMAOH and water diffusion was measured as function of degree of neutralization a, or Na+ content. A pronounced minimum of D(TMAOH) near a = 1 was interpreted in terms of a two-site model, leading to the determination that at a = 1, approximately half of the counterions are bound in both systems. Fourier transform techniques permitted the simultaneous measurement of diffusion of water and TMAOH. 

Polymethylmethacrylate (PMMA) Polyisodecylmethacrylate Polyacrylic acid (PAA) Polyacrylamide (PAAm) Hydrolyzed polyacrylamide Glyoxylyzed polyacrylamide Polyisobutylene (PIB) Polyethyleneoxide (PEO) Polystyrene Polystyrenesulfonate Polyethylenimine (PEI) Polyvinylalcohol (PVA) Polyvinylpyrrolidone (PVP) Poly-cw-isoprene (PCIP)... 

Fig. 5.2 (a) Polyacrylic acid (b) poly-methacrylic acid. Note that in both PA A and PMAA, the acid s hydrogen component can be replaced by Na, other monovalent cation, or ammonium radical... 

Similar results were obtained in the pervaporation separation of acetic acid-water mixtures using blended polyacrylic acid-nylon 6 membranes [22], poly(4-vinylpyridine-co-aciylonitrile) membranes [11] and in the permeation and separation of aqueous alcohol solutions through PVA-AN-HEMA latex membranes [5],... 

Figure 7.8 Effect of various stationary phases on the separation of FITC-labeled peptides. VSA, poly(vinylsulfonic acid) PAA, polyacrylic acid and PS-SA, poly(styrenesulfonic acid) [24].

Collagen, poly-L-lysine/serum proteins from cell culture medium Crosslinked polyacrylic acid/polyacrylamide multilayer films, PEG Coculture of rat adrenal medulla cells and mouse fibroblasts L929 Photopatteming of polyelectrolyte multilayer film 2009 [110]... 

Ion exchange resins (methacrylic acid, sulfonated polystyrene/divinylbenzene) Polyacrylic acid (Carbopol) Poly(MMA/MAA)... 

Hydroxypropyl cellulose (HPC) Hydroxyethylcellulose (HEC) Methylcellulose (MC) Polvinyl alcohol (PVA) Polyacrylic acid (PAA) Poly (meth) acrylic acid ester (PMAA) Polyvinyl pyrrolidone (PVP) Polyethylene glycols (PEG) White wax... 

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