C09D5/1637

POLYMERIC COATINGS FOR METAL SURFACES
20190211154 · 2019-07-11 · ·

Polymer compositions for coating of metal surfaces including moieties that interact with a metal atom in the metal surface and optionally containing antifoulant moieties. These polymer compositions provide lubricious coatings for medical devices, anticorrosion coatings for metal components, and antifoulant coatings for marine components such as propellers. The polymer composition is synthesized in a safe manner in which the synthesis components are added to a synthesis vat and there is no need for filtration or removal of waste materials in any step including the consumer use. As such this invention provides an environmentally sound approach to composition synthesis, formulation development, and consumer use.

ANTI-BIOFOULING COATING MATERIAL
20190185682 · 2019-06-20 · ·

The present invention has an object to provide an anti-biofouling coating material which is capable of forming a coating film excellent in anti-biofouling properties and adhesiveness. Further, the present invention has another object to provide a ship, etc. and an article to be used in a humid or wetted environment, having, on its surface, a coating film formed by using the above anti-biofouling coating material. Further, the present invention has other objects to provide a method for preventing adhesion of organisms to a ship, etc. and to provide a method for preventing adhesion of fungi or algae to the surface of an article to be used in a humid or wetted environment, by using the above anti-biofouling coating material. The anti-biofouling coating material of the present invention is an anti-biofouling coating material to be applied to the surface of an article in order to prevent adhesion of organisms, which comprises a polymer F being a fluorinated polymer containing units based on a fluoroolefin, and a polymer G being a polymer containing units based on a (meth)acrylate having a polyoxyalkylene chain.

COLLOIDAL ANTIMICROBIAL AND ANTI-BIOFOULING COATINGS FOR SURFACES

Methods and formulations for antimicrobial and anti-biofouling coating comprising: a hollow round colloidal structure, comprising: an active polymer shell; and an active or inert core; wherein the active polymer shell comprises one and more polymers with antimicrobial and anti-biofouling activities selected from the group consisting of polyethylenimine (PEI), functionalized chitosan (CHI), polyquaternium, poly(diallyldimethylammonium chloride) (PDDA) and polyhexamethylene biguanide (PHMD); wherein the active or inert core contains one and more disinfectants, biocides, fragrances or inert solvent; and wherein the hollow round colloidal structure is stable for at least 3 months.

Aqueous composition of organic polymeric microspheres, binder particles, and ion exchange resin

The present invention relates to a composition comprising an aqueous dispersion of a) polymer particles having a z-average particle size in the range of from 50 nm to 500 nm; b) anion exchange resin particles having a D.sub.50 median particle size in the range of from 0.1 ?m to 50 ?m; and c) polymeric organic microspheres having a D.sub.50 median particle size in the range of from 1 ?m to 20 ?m, wherein the weight-to-weight ratio of polymer particles to microspheres is in the range of from 0.5:1 to 20:1. The composition of the present invention is useful for paint compositions that form matte finishes with an excellent balance of stain blocking and stain removal properties.

COATINGS WITH IMPROVED STAIN REMOVAL
20240182745 · 2024-06-06 ·

Disclosed herein are coating compositions with enhanced stain removal properties including easy removal of hydrophobic and hydrophilic stains. In some embodiments, the coating comprises multistage polymers, as well as coating compositions containing multistage polymers for use in a variety of applications providing easy stain removal.

Full scale process for preparing polymer powders

A process for preparing polymer. An embodiment of a method includes generating a resin solution including a first reaction solvent and a polymer resin dissolved therein; deploying the resin solution into a precipitation solvent contained in a chamber of a reaction vessel, wherein deploying the resin solution includes generating droplets of the resin solution; disturbing a resulting mixture of the resin solution and the precipitation solvent, wherein the mixture produces a precipitate; and generating a polymer powder from the mixture, including isolating the precipitate from a remaining portion of the mixture, and drying the isolated precipitate.

BIOFUNCTIONAL MATERIALS

Provided are methods and compositions for self-cleaning that include a digestive protein capable of decomposing stain forming molecules, a substrate applied to a solid surface, and a linker moiety bound to an outer surface of said substrate and an active group of said digestive protein, said linker moiety between said protein and said substrate and covalently linking said protein to a surface of said substrate by an amide bond, the linker moiety between a free amine of said protein and said outer surface of said substrate wherein the digestive protein forms a layer on a surface of said substrate such that the digestive protein is surface exposed for reaction with a stain.

BIOFUNCTIONAL MATERIALS

Provided are methods for providing thermal stability to a protein whereby a digestive protein is covalently bound to a substrate by a linker moiety bound to an outer surface of said substrate and an active group of the protein, the linker moiety covalently linking the protein to a surface of the substrate wherein the digestive protein forms a layer on the surface of said substrate such that the digestive protein is surface exposed.

BIOFUNCTIONAL MATERIALS

The present disclosure relates to compositions and processes in the field of self-cleaning system using digestive proteins. One composition includes a substrate, a digestive protein capable of decomposing a stain molecule, and a linker moiety bound to both said digestive protein and said substrate. The processes include binding a substrate to a surface and forming a linker moiety between a digestive protein and said substrate.

Preparation of polyamide-imide resins using N-formyl morpholine:3-methoxy N,N-dimethylpropanamide

Embodiments generally relate to preparation of polyamide-imide resins using N-Formyl Morpholine:3-Methoxy N,N-Dimethylpropanamide. An embodiment of a method includes generating a polymer solution using a polymerization process, the polymerization process including preparing a solvent including at least N-formylmorpholine (NFM) or a combination of NFM with 3-methoxy N,N-dimethylpropanamide (MDP) as a cosolvent, mixing methylene diphenyl diisocyanate (MDI) and trimellitic anhydride (TMA) with the solvent to generate the polymer solution, and diluting the polymer solution by adding an NFM:MDP solvent mixture or MDP into the generated polymer solution. The method further includes processing the diluted polymer solution to generate polyamideimide polymer or a polyamide-amic acid resin polymer.