Abstract: The disclosed technology provides thermoplastic polyurethane compositions having non-leaching antimicrobial properties while still maintaining good physical properties, methods of making the same, and articles, including medical devices, made from such compositions. The disclosed technology includes a process of making an antimicrobial polymer composition, where the process includes mixing an antimicrobial additive into a polymeric material; wherein said polymeric material comprises a polymeric backbone made up of urethane linkages derived from a polyisocyanate and a polyol; and wherein said mixing occurs under conditions that result in the breaking of a minority of said urethane bonds resulting in reactive isocyanate groups; and wherein two or more of said reactive isocyanate groups react with said antimicrobial additive to covalently bond said antimicrobial additive into the polymeric backbone of said polymeric material; resulting in an antimicrobial polymer composition.

Abstract: The present invention relates to a dispersant derived from an alcohol terminated polymer and via an anhydride intermediate. The anhydride functionalized polyester is then reacted with a multi-amine species forming amide and salt bonds.

Abstract: The present invention relates to a dispersant derived from an alcohol terminated polymer and via an anhydride intermediate. The anhydride functionalized polyester is then reacted with a multi-amine species forming amide and salt bonds.

Abstract: The disclosed technology provides improved adhesive composition of use with dentures. These improved compositions include (a) a cross linked poly(acrylic) acid polymer, in combination with (b) a carbomethylcellulose (CMC) component and/or (c) an adherence promoting component. The compositions balance the many competing goals for effective denture adhesives, including adhesive strength and dispensing viscosity, without the need for zinc.

Abstract: The present invention relates to a dispersant derived from anhydride functionalized polyester derived from carboxylic acid functionalized polyester. The anhydride functionalized polyester is then reacted with a multi-amine species forming amide and salt bonds. The technology allows lower reaction temperatures when the multi-amine species is present. The lower reaction temperature allows the use of a broader selection of polyester repeat units.

Abstract: A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization.

Abstract: The disclosed technology provides thermoplastic polyurethane compositions having non-leaching antimicrobial properties while still maintaining good physical properties, methods of making the same, and articles, including medical devices, made from such compositions. The disclosed technology includes a process of making an antimicrobial polymer composition, where the process includes mixing an antimicrobial additive into a polymeric material; wherein said polymeric material comprises a polymeric backbone made up of urethane linkages derived from a polyisocyanate and a polyol; and wherein said mixing occurs under conditions that result in the breaking of a minority of said urethane bonds resulting in reactive isocyanate groups; and wherein two or more of said reactive isocyanate groups react with said antimicrobial additive to covalently bond said antimicrobial additive into the polymeric backbone of said polymeric material; resulting in an antimicrobial polymer composition.

Abstract: A crosslinked, nonionic, amphiphilic polymer is prepared by polymerizing a monomer mixture comprising an amphiphilic additive. The obtained polymer is useful for forming a clearer yield stress fluid in combination with a surfactant. The yield stress fluid is capable of suspending insoluble materials in the presence of electrolytes, perfumes, fragrances and/or organic acid preservatives.

Abstract: The disclosed technology provides improved drug compositions that provide increased stability, higher drug loading potential, and suitable drug dissolution properties, and methods of making the same. The composition include: (a) a drug component comprising a therapeutically effective amount of a drug; (b) an extended release component comprising a cross-linked polyacrylic acid polymer that is a carbomer homopolymer, carbomer copolymer, carbomer interpolymer, polycarbophil or a mixture thereof; and (c) a buffering component comprising a magnesium containing buffering agent; wherein the drug component makes up at least 50% by weight of the composition.

Abstract: The present invention provides a thermoplastic polyurethane comprising the reaction product of a polyisocyanate, a chain extender comprising hydroquinone bis (2-hydroxyethyl) ether, and a spiroglycol initiated polycaprolactone polyester polyol which exhibits reduced compression set %.

Abstract: The disclosed technology relates to esterified and/or ether containing polymers derived from itaconic acid that are free of the less reactive tri-substituted vinyl monomers (e.g., citraconic acid or mesaconic acid) that may be used, for example, as builders in detergent applications, such as in the personal and home care market.

Abstract: The disclosed technology relates to an article, such as a hose, tube, sheet, film, or filament made from a crystalline thermoplastic polyurethane composition, wherein the crystalline thermoplastic polyurethane composition comprises the reaction product of a polyisocyanate component, a polyester polyol component, optionally a chain extender component, and optionally a catalyst. The article is produced by melt or extrusion processes.

Abstract: The disclosed technology relates to pure polyitaconic acid homo- and co-polymers free of the less reactive tri-substituted vinyl monomers (e.g., citraconic acid or mesaconic acid) that may be used, for example, as builders in detergent applications, such as in the personal and home care market.

Abstract: The present invention relates to a dispersant polymer and a dispersion containing the dispersant polymer. The dispersant polymer is derived from a polyamine species reacted with two different polyester chains, one of which includes a monomeric repeat unit derived from the polyesterification reaction of lactide, glycolide, lactic acid, or glycolic acid monomers. The technology includes preparing the dispersant polymer at lower temperature to allow the use of a broader selection of polyester repeat units.

Abstract: The disclosed technology relates to an article, such as a hose, tube, sheet, film, or filament made from a crystalline thermoplastic polyurethane composition, wherein the crystalline thermoplastic polyurethane composition comprises the reaction product of a polyisocyanate component, a polyester polyol component, optionally a chain extender component, and optionally a catalyst. The article is produced by melt or extrusion processes.

Abstract: Copolymer dispersions containing polyamide segments in aqueous media form binders for coatings for various industrial and construction materials. The copolymers have a high percentage of amide linkages. The copolymers are linked into higher molecular weight species by reactions with polyisocyanates (which forms urea linkages if the other reactant is an amine or a urethane linkage if the other reactant is a hydroxyl group).

Abstract: The present invention relates to systems and methods for solid freeform fabrication, especially fused deposition modeling, as well as various articles made using the same, where the systems and methods utilize certain thermoplastic polyurethanes which are particularly suited for such processing. The useful thermoplastic polyurethanes are derived from (a) a polyisocyanate component, (b) a polyol component, and (c) an optional chain extender component where the resulting thermoplastic polyurethane has a crystallization temperature above 80° C. and retains more than 20% of its shear storage modulus at 100° C. relative to its shear storage modulus at 20° C.

Abstract: The invention provides dispersed inorganic mixed metal oxide pigment compositions in a hydrocarbon media utilizing a dispersant having polyisobutylene succinic anhydride structure reacted with a non-polymeric amino ether/alcohol to disperse a mixed metal oxide pigment in the media. The metal oxide pigment is of the type used to color ceramic or glass articles. A milling process using beads is also described to reduce the mixed metal oxide particle size to the desired range. A method of using the mixed metal oxide dispersion to digitally print an image on a ceramic or glass article using the dispersion jetted through a nozzle and subsequently firing the colored article is also described.

Abstract: The present invention relates to a melt processable thermoplastic polyurethane-urea composition formed by a continuous bulk process without the presence of solvent using a polyol component, an isocyanate component, and chain extender component comprising a hindered aromatic diamine.