C09D129/12

Curable coating compositions
11518904 · 2022-12-06 · ·

Described herein are two-component curable compositions for coatings, paints, primers, topcoats, and the like. The systems herein include curable components that permit a wide latitude in additional additives used in the product formulation. In one aspect, the curable components of the compositions include a first component of polymer(s) or oligomer(s) having a beta-dicarbonyl group or dicarbonyl functionality of 1 or greater combined with a separate, second component of polymer(s) or oligomer(s) having an alkylidene malonate functionality of 1 or greater in the presence of a catalyst or initiator and other acidic compositional components.

Curable coating compositions
11518904 · 2022-12-06 · ·

Described herein are two-component curable compositions for coatings, paints, primers, topcoats, and the like. The systems herein include curable components that permit a wide latitude in additional additives used in the product formulation. In one aspect, the curable components of the compositions include a first component of polymer(s) or oligomer(s) having a beta-dicarbonyl group or dicarbonyl functionality of 1 or greater combined with a separate, second component of polymer(s) or oligomer(s) having an alkylidene malonate functionality of 1 or greater in the presence of a catalyst or initiator and other acidic compositional components.

THERMOFORMING LAMINATE AND METHOD FOR MOLDING LAMINATE

Provided is a thermoforming laminate, etc., having good thermoforming properties as well as excellent chemical resistance and abrasion resistance. Examples of solutions to the problem include a thermoformable laminate, including: (a) a substrate layer containing a thermoplastic resin; (b) a post-cure type hard coat layer containing an active-energy-ray-curable resin having a (meth)acryloyl group, the hard coat layer also containing a polymerization inhibitor; and (c) a protective film, wherein: (a) the substrate layer, (b) the hard coat layer, and (c) the protective film are layered in this order; and the polymerization inhibitor includes at least one among a quinone-based compound, a sulfur-containing compound, and a nitrogen-containing compound.

THERMOFORMING LAMINATE AND METHOD FOR MOLDING LAMINATE

Provided is a thermoforming laminate, etc., having good thermoforming properties as well as excellent chemical resistance and abrasion resistance. Examples of solutions to the problem include a thermoformable laminate, including: (a) a substrate layer containing a thermoplastic resin; (b) a post-cure type hard coat layer containing an active-energy-ray-curable resin having a (meth)acryloyl group, the hard coat layer also containing a polymerization inhibitor; and (c) a protective film, wherein: (a) the substrate layer, (b) the hard coat layer, and (c) the protective film are layered in this order; and the polymerization inhibitor includes at least one among a quinone-based compound, a sulfur-containing compound, and a nitrogen-containing compound.

POLYMERS INCLUDING A METHYLENE BETA-KETOESTER AND PRODUCTS FORMED THEREFROM

The present teachings are directed at 1,1-disubstituted alkene monomers (e.g., methylene beta-ketoester monomers), methods for producing the same, polymerizable compositions including a methylene beta-ketoester monomer, and polymers, compositions and products formed therefrom. The monomer preferably is a high purity monomer. In the method for producing the methylene beta-ketoesters of the invention, a beta-ketoester may be reacted with a source of formaldehyde. The methylene beta-ketoester monomers may be used in monomer-based products (e.g., inks, adhesives, coatings, sealants or reactive molding) and polymer-based products (e.g., fibers, films, sheets, medical polymers, composite polymers and surfactants).

POLYMERS INCLUDING A METHYLENE BETA-KETOESTER AND PRODUCTS FORMED THEREFROM

The present teachings are directed at 1,1-disubstituted alkene monomers (e.g., methylene beta-ketoester monomers), methods for producing the same, polymerizable compositions including a methylene beta-ketoester monomer, and polymers, compositions and products formed therefrom. The monomer preferably is a high purity monomer. In the method for producing the methylene beta-ketoesters of the invention, a beta-ketoester may be reacted with a source of formaldehyde. The methylene beta-ketoester monomers may be used in monomer-based products (e.g., inks, adhesives, coatings, sealants or reactive molding) and polymer-based products (e.g., fibers, films, sheets, medical polymers, composite polymers and surfactants).

TUNABLE REFRACTIVE INDEX POLYMERS

Disclosed is a coating comprising a polymeric layer, wherein the polymeric layer comprises a reaction product of a first monomer comprising two or more aromatic acetylene groups and a second monomer comprising two or more cyclopentadienone groups, or a cured product of the reaction product. The coating may or may not additionally contain a crosslinker and/or a thermal acid generator. Optical thin films made from the coatings exhibit refractive indices that make them useful as interlayers for matching refractive indices between adjacent layers of display devices; thereby improving device output efficiency.

HYDROPHILIC COPOLYMER AND MEDICAL DEVICE
20210102019 · 2021-04-08 · ·

Disclosed is a hydrophilic copolymer including more than 50% by mol of a structural unit derived from a polymerizable monomer (A) from which a homopolymer having a lower critical solution temperature (LCST) is formed, a structural unit derived from a polymerizable monomer (B) having at least one group selected from the group consisting of a sulfonic acid group (−SO.sub.3H), a sulfate group (−OSO.sub.3H), a sulfurous acid group (−OSO.sub.2H), and a group of salts thereof, and a structural unit derived from a polymerizable monomer (C) having a photoreactive group. Also disclosed is a medical device including the hydrophilic copolymer. The medical device exhibits high sliding property until it reaches a target lesion, and low sliding property after reaching the target lesion. Methods of making and using the hydrophilic copolymer and medical device are also described.

HYDROPHILIC COPOLYMER AND MEDICAL DEVICE
20210102019 · 2021-04-08 · ·

Disclosed is a hydrophilic copolymer including more than 50% by mol of a structural unit derived from a polymerizable monomer (A) from which a homopolymer having a lower critical solution temperature (LCST) is formed, a structural unit derived from a polymerizable monomer (B) having at least one group selected from the group consisting of a sulfonic acid group (−SO.sub.3H), a sulfate group (−OSO.sub.3H), a sulfurous acid group (−OSO.sub.2H), and a group of salts thereof, and a structural unit derived from a polymerizable monomer (C) having a photoreactive group. Also disclosed is a medical device including the hydrophilic copolymer. The medical device exhibits high sliding property until it reaches a target lesion, and low sliding property after reaching the target lesion. Methods of making and using the hydrophilic copolymer and medical device are also described.

Multifunctional monomers, methods for making multifunctional monomers, polymerizable compositions and products formed thereform

The present invention provides multifunctional monomers, including, but not limited to include multifunctional methylene malonate and methylene beta-ketoester monomers; methods for producing the same; and compositions and products formed therefrom. The multifunctional monomers of the invention may be produced by transesterification or by direct synthesis from monofunctional methylene malonate monomers or methylene beta-ketoester monomers. The present invention further compositions and products formed from methylene beta-ketoester monomers of the invention, including monomer-based products (e.g., inks, adhesives, coatings, sealants or reactive molding) and polymer-based products (e.g., fibers, films, sheets, medical polymers, composite polymers and surfactants).