C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
6/212
C04B 28/26 (2006.01) C03C 10/10 (2006.01) C03C 10/16 (2006.01) C04B 14/20 (2006.01) C04B 30/00 (2006.01) D21H 13/44 (2006.01)
Patent
CA 1201256
Abstract of the Disclosure This invention is directed to the preparation of neutralized polyelectrolyte complexes exhibiting hydrophobic behavior containing crystals of an organic polycation exchanged lithium and/or sodium water swelling mica. The process for making such products comprises: (1) forming a glass-ceramic body containing crystals selected from the group of fluorhectorite, hydroxyl hectorite, boron fluorphlogopite, hydroxyl boron phlogopite, and solid solutions among those and between those and other structurally- compatible species selected from the group of talc, fluortalc, polylithionite, fluorpolylithionite, phlogopite, and fluor- phlogopite, (2) contacting that body with a polar liquid to cause swelling and disintegration of the body accompanied with the formation of a gel; and (3) contacting said gel with a source of organic poly- cations to cause a reaction between the Li+ and/or Na+ ions from the interlayer of the crystals and to neutralize the charge density of the crystals, thereby forming neutralized polyelectrolyte complex, said organic polycations being selected from the group of (a) a primary amine solubilized with acid, (b) a secondary amine solubilized with acid, (c) a tertiary amine solubilized with acid, (d) a quaternary ammonium acid salt, (e) a quaternary phosphonium acid salt, and (f) a ternary solfonium acid salt.
441611
Corning Glass Works
Gowling Lafleur Henderson Llp
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