Hydroxyethyl methacrylate copolymers

Chang, M., Colvin, M., and Rembaum, A. (1986) Acrolein and 2-hydroxyethyl methacrylate copolymer microspheres. /. Polym. Sci. Part C Polym. Lett. 24, 603-606. 

Adsorption of Proteins from Artificial Tear Solutions to Poly(methyl methacrylate—2 -hydroxyethyl methacrylate) Copolymers... 

Antonsen, K.P., et al.. Controlled release of proteins from 2-hydroxyethyl methacrylate copolymer gels. Biomat., Art. Cells Immob. Biotech., 1993, 21(1), 1-22. 

FAR Fares, M.M. and Othman, A.A., Lower critical solution temperatirre determination of smart, thermoserrsitive A/-isopropylacrylamide-a/t-2-hydroxyethyl methacrylate copolymers Kinetics and physical properties, J. Appl. Polym. Sci., 110, 2815, 2008. 

Methyl methacrylate/2-hydroxyethyl methacrylate copolymer carbon dioxide 1997LEP... 

Latex with hydroxyl functionalised cores of a methyl methacrylate/butyl acrylate/2-hydroxyethyl methacrylate copolymer, and carboxyl functionalised shells of a methyl methacrylate/butyl acrylate/methacrylic acid copolymer was prepared by free radical polymerisation. The latex was crosslinked using a cycloaliphatic diepoxide added by three alternative modes with the monomers during synthesis dissolved in the solvent and added after latex preparation and emulsified separately, then added. The latex film properties, including viscoelasticity, hardness, tensile properties, and water adsorption were evaluated as functions of crosslinker addition mode. Latex morphology was studied by transmission electron and atomic force microscopy. Optimum results were achieved by introducing half the epoxide by two-step emulsion polymerisation, the balance being added to the latex either in solution or as an emulsion. 8 refs. 

Aciylonitrile/2-(3-methyl-3-phenylcyclobutyl)-2-hydroxyethyl methacrylate copolymer 45.0 mol% acrylonitrile... 

Styrene/2-(3 -methyl-3 -phenylcyclobutyl)-2-hydroxyethyl methacrylate copolymer 40.0 mol% styrene... 

The preparation of cellulose copolymers with vinyl monomers, which have functional groups that are hydrophilic in nature, has given textile products with improved soil release properties. For example, as shown in Figure 5, crosslinked cellulose-poly (methacrylic acid) copolymer fabrics exhibited both increased oily and aqueous soil release during washing compared with the crosslinked control fabrics. However, for oily soil, when softeners were added to the wash water, this improvement in soil release decreased. Crosslinked cellulose-poly (hydroxyethyl methacrylate) copolymer fabrics exhibited no improvement in oily soil release and only slight improvement in aqueous soil release compared... 

Materials. Styrene-hydroxyethyl methacrylate copolymers were prepared and characterized as described in the Appendix. The copolymers used in this work contained 0.7,2.2,3.8, and 9.5 mole % HEMA. 

Figure 1. Variation in specific viscosity of a toluene solution of a styrene-hydroxyethyl methacrylate copolymer (2.2 mole % HEM A) on reaction with hexamethylene diisocyanate at 80°C. Polymer concentration 0.047%, (gram/dl.) [NCO] 0 [OH] 0 = 9.5...

With the styrene-hydroxyethyl methacrylate copolymers some deposition of polymer on the walls of the reaction vessel was generally observed after 7-8 days of reaction. It was difficult to estimate the amount of gel, but in no case was the amount found as much as 4% of the total polymer. Thus, the effect of polymer loss on intrinsic viscosity was small. 

Figure 4. Comparison of viscosity changes on reaction between styrene-hydroxyethyl methacrylate copolymer (2.2 mole % HEMA) and butyl isocyanate ( ) and hexamethylene diisocyanate (O) in toluene at 80°C.

For the styrene-hydroxyethyl methacrylate copolymers, the situation is more complex. To try to determine the nature of the reaction with... 

Figure 7. Viscosity changes and polymer concentration for the reaction between hexamethylene diisocyanate and sty-rene-hydroxyethyl methacrylate copolymers in toluene at...

Figure 10. Change in viscosity over long times during reaction between styrene-hydroxyethyl methacrylate copolymer and hexamethylene diisocyanate in toluene at 80° C. Curves 1-4 (copolymer 0.7 mole % HEM A, 0.134% (gram/dl.) solution) had [NCO] 0 [O//] 0 = 102, 1.5 X 102, 10s, and 10u, respectively. Curve 5 (copolymer 2.2 mole % HEM A, 0.047% (gram/dl.) solution) had [IVCO]0 [OH]0 = 10. All solutions have approximately the same [OH]0...

Figure 12. Intrinsic viscosity change at 25°C. and specific viscosity change at 80°C. for styrene-hydroxyethyl methacrylate copolymers, 0.7 mole % HEM A (%) and 2.2 mole % HEM A (O)...

Table I. Light Scattering for Styrene—Hydroxyethyl Methacrylate Copolymer (3.8 mole % HEM A) before and after Crosslinking with Hexamethylene Diisocyanate...

Table A. Composition of Styrene—Hydroxyethyl Methacrylate Copolymers Determined by Chemical Analysis...

Table B. Intrinsic Viscosities of Styrene—Hydroxyethyl Methacrylate Copolymers in Polar and Nonpolar Solvents...

We therefore conclude that the styrene-hydroxyethyl methacrylate copolymers used in this work have a relatively. broad molecular weight distribution and that the effect of increasing hydroxyl content on the properties of dilute toluene solution is to contract the polymer molecule and decrease the polymer-solvent interaction without causing appreciable aggregation by intermolecular hydrogen bonding. 

F. Vlacil and I. Vins, Modified hydroxyethyl methacrylate copolymers as sorbents for ion chromatography,./. Chromatogr.,133,1987. 

Structural studies of polymer surfaces. Materials that have been studied include PMMA [239], PMMA-polypyrrole composites [240], polyfchloromethyl styrene) honnd 1,4,8,11-tetrazacyclotetradecane, polyfchloromethyl styrene) honnd thenoyl triflnoroacetone [241], poly(dimethyl siloxane)-polyamide copolymers [242], PS [243], ion-implanted PE [244], monoazido-terminated polyethylene oxide [245], polynrethanes [246], polyaniline [247], flnorinated polymer films [248], poly(o-tolnidine) [249], polyetherimide and poly benzimidazole [250], polyfnllerene palladinm [251], imidazole-containing imidazolylethyl maleamic acid-octadecyl vinyl ether copolymer [252], polyphenylene vinylene ether [253], thiophene oligomers [254], flnorinated styrene-isoprene derivative of a methyl methacrylate-hydroxyethyl methacrylate copolymer [255], polythiophene [256], dibromoalkane-hexaflnorisopropylidene diphenol and bisphenol A [257], and geopolymers [258]. 

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