Patent application number | Description | Published |
20090208740 | ACRYLIC PRESSURE-SENSITIVE ADHESIVES WITH AZIRIDINE CROSSLINKING AGENTS - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles. | 08-20-2009 |
20090324955 | MULTILAYERED CHROMONIC STRUCTURES - A method of making a multilayered chromonic structure comprises (a) preparing a first aqueous mixture comprising (i) a first continuous water-soluble polymer phase and (ii) a first discontinuous chromonic phase comprising a chromonic material, to form chromonic nanoparticles; (b) non-covalently crosslinking the resulting chromonic nanoparticles with a multivalent cation salt; (c) dispersing the resulting crosslinked chromonic nanoparticles in a composition comprising a chromonic material to form a chromonic nanoparticle dispersion; and (d) preparing a second aqueous mixture comprising (i) a second discontinuous chromonic phase comprising the chromonic nanoparticle dispersion and (ii) a second continuous water-soluble polymer phase, to encapsulate the chromonic nanoparticles; wherein at least one of the first discontinuous chromonic phase and the second discontinuous chromonic phase further comprises a guest compound. | 12-31-2009 |
20100081759 | ACRYLIC PRESSURE-SENSITIVE ADHESIVES WITH AZIRIDINE CROSSLINKING AGENTS - A pre-adhesive composition is described comprising an acid-functional (meth)acrylate copolymer and an aziridine crosslinking agent, which when crosslinked provides a pressure-sensitive adhesive and pressure-sensitive adhesive articles. | 04-01-2010 |
20110000741 | Process for Audible Acoustic Frequency Management in Gas Flow Systems - A sound insulation process comprises (a) providing at least one sound barrier comprising at least one composite resonator element; and (b) placing the at least one sound barrier in at least one gas stream that is at least partially enclosed. | 01-06-2011 |
20110005859 | Process for Audible Acoustic Frequency Management in Gas Flow Systems - A sound insulation process comprises (a) providing at least one sound barrier comprising a substantially periodic array of structures disposed in a first medium having a first density, the array comprising at least one row of at least two of the structures, the structures being made of a second medium having a second density that is greater than the first density, the second medium being a viscoelastic medium, an elastic medium, or a combination thereof, and the first medium being a gaseous medium; and (b) placing the at least one sound barrier in at least one at least partially enclosed gas stream in a manner such that the row of structures extends in a direction that is perpendicular to the direction of flow of the gas stream. | 01-13-2011 |
20110020540 | ENCAPSULATED CHROMONIC PARTICLES - A method of making encapsulated chromonic nanoparticles includes exposing crosslinked chromonic nanoparticles to an acid selected from the group consisting of carbonic acid, phosphoric acid, lactic acid, citric acid, boric acid, sulfuric acid, and mixtures thereof in the presence of water to encapsulate the crosslinked nanoparticles in a shell comprising a complex comprising the chromonic material, the multivalent cations, and the acid anions. | 01-27-2011 |
20110100746 | VISCOELASTIC PHONONIC CRYSTAL - A sound barrier and method of sound insulation are disclosed. In one aspect of the disclosure, a sound barrier comprises a first, solid medium, such as a viscoelastic solid and a second medium, such as air. At least one of the two media forms a periodic array disposed in the other medium. The solid medium has a speed of propagation of longitudinal sound wave and a speed of propagation of transverse sound wave, the speed of propagation of longitudinal sound wave being at least about 30 times the speed of propagation of transverse sound wave. | 05-05-2011 |
20120077022 | HIERARCHICAL CHROMONIC STRUCTURES - A method of making a chromonic structure comprises (a) preparing a first aqueous mixture comprising (i) a continuous water-soluble polymer phase and (ii) a discontinuous chromonic phase comprising a chromonic material, to form chromonic nanoparticles; (b) non-covalently crosslinking the resulting chromonic nanoparticles with a multivalent cation salt; (c) dispersing the resulting crosslinked chromonic nanoparticles in a water-soluble polymer phase to form a chromonic nanoparticle dispersion; and (d) preparing a second aqueous mixture comprising (i) the chromonic nanoparticle dispersion and (ii) a continuous chromonic phase comprising a chromonic material. | 03-29-2012 |