C08K2003/2241

POLYMER COMPOSITIONS AND THEIR USES
20230099234 · 2023-03-30 ·

Provided herein is a polymer composition comprising a polyhydroxyamino ether (e.g., a crosslinked polyhydroxyamino ether) and printed circuit boards comprising the same.

ANTI-CORROSION COATINGS
20230101282 · 2023-03-30 ·

A corrosion resistant coating including a matrix, corrosion resistant particles dispersed throughout the matrix, and a glass-forming additive is disclosed. The glass-forming additive and one or more materials in the matrix form a glassy-phase when cured. Coated gas turbine engine components and methods for coating components are also disclosed.

CURABLE COMPOSITION, CURED PRODUCT, CURED FILM, DISPLAY PANEL, AND METHOD FOR PRODUCING CURED FILM
20230099775 · 2023-03-30 ·

A curable composition capable of forming a cured product having a high transparency, a resistance to loss of transparency when heated, and an excellent organic solvent resistance, a cured product of the curable composition, and a method for producing a cured film using the curable composition. A polymerizable fluorene compound having a radical polymerizable group-containing group or a cationic polymerizable group-containing group and a fluorene skeleton as a polymerizable compound, and thermal initiator as an initiator are used in a curable composition including a polymerizable compound, metal oxide microparticles (B) including titanium oxide microparticles, an initiator, and a solvent.

COATED OILFIELD OPERATIONAL COMPONENTS AND METHODS FOR PROTECTING AND EXTENDING THE SERVICE LIFE OF OILFIELD OPERATIONAL COMPONENTS
20230036632 · 2023-02-02 ·

Coating compositions for coating an oilfield operational component, and related methods, may include in some aspects a coating composition having a trifunctional silane, a silanol, and a filler. The coating composition may be applied to a surface of the oilfield operational component that is configured to be exposed to a fluid. The coating composition may be applied to at least partially cover or coat the surface. The coating composition may be configured to chemically bond with a cured primer composition that includes an epoxy.

Aqueous acrylic polymer latexes and their use as binders

The present invention relates to aqueous acrylic polymer latexes, which are suitable as binders in coating compositions for providing flexible roofing. The present invention also relates to coating compositions containing such binders, which are suitable for providing flexible roofing. The aqueous acrylic polymer latexes have a glass transition temperature T.sub.g of at most from −10° C., in particular at most −20° C., or, in case of a multi-stage polymer latex a weight average glass transition temperature T.sub.g of at most from −10° C., where the polymer of the acrylic polymer latex has a carbon polymer backbone formed by polymerized ethylenically unsaturated monomers M comprising acrylic monomers, and where the carbon polymer backbone bears functional groups of the formula (I) attached to carbon atoms of the polymer backbone *—C(═O)—O-[A-NH].sub.nH (I) where the asterisk indicates the atom attached to a carbon atom of the polymer backbone, n is an integer, the number average of n in all functional groups of the formula (I) being >1, in particular at least 1.1 or at least 1.2 or at least 1.3, and A is selected from the group consisting of 1,2-ethandiyl or 1,2-propandiyl, where the functional groups of the formula (I) contribute to the total weight of the polymer in the acrylic polymer latex by 0.1 to 10% by weight.

Electrical steel sheet adhesive coating composition, electrical steel sheet product, and manufacturing method therefor
11613673 · 2023-03-28 · ·

An electrical steel sheet adhesive coating composition according to an exemplary embodiment of the present invention includes, based on 100 wt % of the total solids: a resin at 20 to 40 wt % and having an average particle diameter of 10 to 300 nm; an inorganic nanoparticle at 10 to 35 wt % bonded with the resin; a metal phosphoric acid salt at 10 to 30 wt %; and phosphoric acid at 10 to 40 wt %. An electrical steel sheet product according to an exemplary embodiment of the present invention includes a plurality of electrical steel sheets; and an adhesive layer disposed between the plurality of electrical steel sheets, wherein the adhesive layer includes a metal of one or more kinds among Al, Mg, Ca, Co, Zn, Zr, and Fe at 0.5 to 30 wt %, N at 0.1 to 10 wt %, C at 0.1 to 5 wt %, P at 1 to 30 wt %, a metal of one or more kinds among Si and Ti at 10 to 30 wt %, and a balance of O.

Polycarbonate composition comprising pearlescent pigment and/or interference pigment

The invention relates to compositions based on aromatic polycarbonate comprising metal oxide-coated micas as effect pigment, which do not have any significant increase in molecular weight of the polycarbonate, as can be seen from the MVR, under thermal stress. This is achieved by the addition of small amounts of an anhydride-modified α-olefin polymer, optionally in combination with phosphorus-containing thermal stabilizer.

Quantum dot-polymer composite pattern, production method thereof, and electronic device including the same

A quantum dot-polymer composite pattern including at least one repeating section configured to emit light of a predetermined wavelength, and a production method and a display device including the quantum dot-polymer composite are disclosed. The quantum dot-polymer composite includes a polymer matrix including linear polymer including a carboxylic acid group-containing repeating unit and a plurality of cadmium-free quantum dots dispersed in the polymer matrix, has an absorption rate of greater than or equal to about 85% for light at wavelength of about 450 nm, and has an area ratio of a hydroxy group peak relative to an acrylate peak of greater than or equal to about 2.6 in Fourier transform infrared spectroscopy.

High temperature structural adhesive films
11485881 · 2022-11-01 · ·

Structural adhesive films are presented which comprise branched or networked polymers which are the reaction product of one or more polyether sulfone polymers, which may include amine-terminated polyether sulfone polymers and/or hydroxy-terminated polyether sulfone polymers, with epoxy-functional chemical species including the reaction product of one or more first polyepoxides with an amine-terminated branched polytetrahydrofuran polymer. The structural adhesive films may possess high strength, holding power and durability in high-temperature applications.

Resin composition for stereolithography
11485813 · 2022-11-01 · ·

The present invention provides a resin composition for stereolithography that, with its low consistency, enables easy fabrication while ensuring good shape accuracy and desirable color masking properties in the cured product. The present invention relates to a resin composition for stereolithography comprising: an 80 to 99 mass % polymerizable monomer (a); a 0.1 to 10 mass % photopolymerization initiator (b); a 0.1 to 5.0 mass % inorganic particle (c) having an average particle diameter of 5 to 200 nm; and a 0.01 to 10 mass % metal oxide particle (d) having an average particle diameter of 0.1 to 10 μm, the inorganic particle (c) being different from the metal oxide particle (d).