Preparation and characteristics of a waterborne preventive stain coating material with organic-inorganic composites

Abstract

With the goal of developing a waterborne coating material that prevents staining, organic-inorganic composites prepared from colloidal silica and two types of acrylic resin emulsions were investigated as exterior coatings. Conventional acrylic resin emulsion and organic silane hybridized acrylic resin emulsion prepared by emulsion polymerization were mixed with colloidal silica to form organic-inorganic composite films. The addition of colloidal silica to emulsions yielded films with higher hydrophilicities, as indicated by lower water contact angles for these films in comparison to films without colloidal silica. The water contact angles of organic silane hybridized acrylic resin emulsion/colloidal silica films were lower than those of acrylic resin emulsion/colloidal silica films. Composite films containing colloidal silica particles smaller than 100 nm in diameter showed high hydrophilicities. Observations of the dispersed state of colloidal silica particles in organic-inorganic composite films by scanning electron microscopy (SEM) and transmission electron microscopy (TEM) demonstrated that colloidal silica particles were densely aggregated on the film surface. Outdoor exposure tests of the coating materials prepared from organic silane hybridized acrylic resin and colloidal silica particles with diameters of 7.5 nm showed excellent stain resistance.

Polymer@SiO2 Core–Shell Composite Particles: Preparation and Application

“…It is believed that coating it with the shell can greatly improve the surface properties and stability of the core material, and affording comprehensive properties not possessed by any single component [5]. Due to their unique performance advantages, core-shell nanocomposites have become a research hotspot in the areas of coatings [6,7], adhesives [8,9], optics [10][11][12], electronics [13,14], biomedicines [15][16][17][18], and lubrication [19,20], and also present great potential in the future field of new materials.…”

Polymer@SiO2 Core–Shell Composite Particles: Preparation and Application

“…It is believed that coating it with the shell can greatly improve the surface properties and stability of the core material, and affording comprehensive properties not possessed by any single component [5]. Due to their unique performance advantages, core-shell nanocomposites have become a research hotspot in the areas of coatings [6,7], adhesives [8,9], optics [10][11][12], electronics [13,14], biomedicines [15][16][17][18], and lubrication [19,20], and also present great potential in the future field of new materials.…”

Polymer-Inorganic Coatings Containing Nanosized Sorbents Selective to Radionuclides. 1. Latex/Cobalt Hexacyanoferrate(II) Composites for Cesium Fixation

“…Presently, latex organic–inorganic composites keep gaining academic and industrial interest due to a wide range of possible applications and a beneficial combination of polymer properties with inorganic materials functionality. − Inorganic nanoparticles can be incorporated into latexes during polymerization process, attached to the latex surface via electrostatic, hydrogen, or covalent bonding, or “in situ” deposited on the latex surface . Such latex-inorganic composites have been already used for fabrication of coatings with high refractive index, improved hardness, water and stain resistance, , self-sterilizing, and many others useful properties. To the best of our knowledge, latex coatings containing sorbents selective to radionuclides have not been previously reported, although hybrid polymer-inorganic thin films for selective adsorption and subsequent determination of radionuclides are known to the researchers .…”

Film‐forming behavior and mechanical properties of colloidal silica/polymer latex blends with high silica load

“…Winnik and coworker studied the polymer interdiffusion in poly(butyl methacrylate)/silica composite films with colloidal silica 11. Wada et al prepared waterborne organic–inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica 12, 13. Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group‐bearing polyacrylate latex with colloidal silica 14.…”

“…11 Wada et al prepared waterborne organic-inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica. 12,13 Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group-bearing polyacrylate latex with colloidal silica. 14 We have prepared nanocomposite latex by blending P (styrene-co-butyl acrylate-co-acrylic acid) latex with an acidic silica sol with silica content up to 34 wt % in the dried film.…”

Polymer@SiO2 Core–Shell Composite Particles: Preparation and Application

“…It is believed that coating it with the shell can greatly improve the surface properties and stability of the core material, and affording comprehensive properties not possessed by any single component [5]. Due to their unique performance advantages, core-shell nanocomposites have become a research hotspot in the areas of coatings [6,7], adhesives [8,9], optics [10][11][12], electronics [13,14], biomedicines [15][16][17][18], and lubrication [19,20], and also present great potential in the future field of new materials.…”

Polymer-Inorganic Coatings Containing Nanosized Sorbents Selective to Radionuclides. 1. Latex/Cobalt Hexacyanoferrate(II) Composites for Cesium Fixation

“…Presently, latex organic–inorganic composites keep gaining academic and industrial interest due to a wide range of possible applications and a beneficial combination of polymer properties with inorganic materials functionality. − Inorganic nanoparticles can be incorporated into latexes during polymerization process, attached to the latex surface via electrostatic, hydrogen, or covalent bonding, or “in situ” deposited on the latex surface . Such latex-inorganic composites have been already used for fabrication of coatings with high refractive index, improved hardness, water and stain resistance, , self-sterilizing, and many others useful properties. To the best of our knowledge, latex coatings containing sorbents selective to radionuclides have not been previously reported, although hybrid polymer-inorganic thin films for selective adsorption and subsequent determination of radionuclides are known to the researchers .…”

Film‐forming behavior and mechanical properties of colloidal silica/polymer latex blends with high silica load

“…Winnik and coworker studied the polymer interdiffusion in poly(butyl methacrylate)/silica composite films with colloidal silica 11. Wada et al prepared waterborne organic–inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica 12, 13. Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group‐bearing polyacrylate latex with colloidal silica 14.…”

“…11 Wada et al prepared waterborne organic-inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica. 12,13 Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group-bearing polyacrylate latex with colloidal silica. 14 We have prepared nanocomposite latex by blending P (styrene-co-butyl acrylate-co-acrylic acid) latex with an acidic silica sol with silica content up to 34 wt % in the dried film.…”

Polymer@SiO2 Core–Shell Composite Particles: Preparation and Application

“…It is believed that coating it with the shell can greatly improve the surface properties and stability of the core material, and affording comprehensive properties not possessed by any single component [5]. Due to their unique performance advantages, core-shell nanocomposites have become a research hotspot in the areas of coatings [6,7], adhesives [8,9], optics [10][11][12], electronics [13,14], biomedicines [15][16][17][18], and lubrication [19,20], and also present great potential in the future field of new materials.…”

Polymer-Inorganic Coatings Containing Nanosized Sorbents Selective to Radionuclides. 1. Latex/Cobalt Hexacyanoferrate(II) Composites for Cesium Fixation

“…Presently, latex organic–inorganic composites keep gaining academic and industrial interest due to a wide range of possible applications and a beneficial combination of polymer properties with inorganic materials functionality. − Inorganic nanoparticles can be incorporated into latexes during polymerization process, attached to the latex surface via electrostatic, hydrogen, or covalent bonding, or “in situ” deposited on the latex surface . Such latex-inorganic composites have been already used for fabrication of coatings with high refractive index, improved hardness, water and stain resistance, , self-sterilizing, and many others useful properties. To the best of our knowledge, latex coatings containing sorbents selective to radionuclides have not been previously reported, although hybrid polymer-inorganic thin films for selective adsorption and subsequent determination of radionuclides are known to the researchers .…”

Film‐forming behavior and mechanical properties of colloidal silica/polymer latex blends with high silica load

“…Winnik and coworker studied the polymer interdiffusion in poly(butyl methacrylate)/silica composite films with colloidal silica 11. Wada et al prepared waterborne organic–inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica 12, 13. Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group‐bearing polyacrylate latex with colloidal silica 14.…”

“…11 Wada et al prepared waterborne organic-inorganic composite films with high stain resistance from blends of silane hybridized acrylic latex with colloidal silica. 12,13 Liao et al prepared nanocomposite latex by directly mixing the triethoxysilyl group-bearing polyacrylate latex with colloidal silica. 14 We have prepared nanocomposite latex by blending P (styrene-co-butyl acrylate-co-acrylic acid) latex with an acidic silica sol with silica content up to 34 wt % in the dried film.…”