BASF patents transparent coatings.Patent No. U.S. 7,416,781 B2 BASF BASF Bar Association of San Francisco (since 1872; San Francisco, California) BASF Badische Anilin und Soda Fabrik (German chemical products company) BASF Builders Association of South Florida Coatings has received a patent for an article comprised of a transparent coating, wherein the coating has a thickness of at least 30 pm, a relative elastic resilience to DIN 55676 of at least 70%, and a scratch resistance corresponding to a score of not more than two in a steel wool scratch test according to DIN 1041 after 10 double strokes; and wherein the coating is prepared from a coating material comprised of an aqueous dispersion with a pH of from 2 to 7 comprised of at least one swellable polymer and/or oligomer oligomer /ol·i·go·mer/ (ol´i-go-mer) a polymer formed by the combination of relatively few monomers. oligomer ( containing at least one functional group that is at least one of an anionic an·i·on n. A negatively charged ion, especially the ion that migrates to an anode in electrolysis. [From Greek, neuter present participle of anienai, to go up : ana-, ana- functional group, a potentially anionic functional group, and/or a nonionic hydrophilic hydrophilic /hy·dro·phil·ic/ (-fil´ik) readily absorbing moisture; hygroscopic; having strongly polar groups that readily interact with water. hy·dro·phil·ic adj. functional group, surface-modified, cationically stabilized inorganic nanoparticles of at least one kind, and at least one amphiphile. |
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