C08G18/758

Conductive composites

Disclosed are conductive composites comprising a polymer, a conductor selected from metals and metal alloys, a compatibilizing agent, and an optional thickening agent.

Multiphase coatings with separated functional particles, and methods of making and using the same

Some variations provide a multiphase polymer composition comprising a first polymer material and a second polymer material that are chemically distinct, wherein the first polymer material and the second polymer material are microphase-separated on a microphase-separation length scale from about 0.1 microns to about 500 microns, wherein the multiphase polymer composition comprises first solid functional particles selectively dispersed within the first polymer material, and wherein the first solid functional particles are chemically distinct from the first polymer material and the second polymer material. Some embodiments provide an anti-corrosion composition comprising first corrosion-inhibitor particles or precursors selectively dispersed within the first polymer material, wherein the multiphase polymer composition optionally further comprises second corrosion-inhibitor particles or precursors selectively dispersed within the second polymer material. These multiphase polymer compositions may be used for other applications, such as self-cleaning, self-healing, or flame-retardant coatings. Methods of making and using these multiphase polymer compositions are disclosed.

Garment incorporating waterproof or water resilient aqueous polyurethane dispersions and/or having altered stress profile

Articles, such as garments, including films comprising dried aqueous polyurethane dispersions are disclosed, whereby the garment has an altered stress which is exhibited during wear of the garment and/or has one or more sections of waterproof or water-resilient fabric. The film may be bonded to the fabric of the article to provide a fabric or film laminate.

Aqueous Fire-Retardant Composition and Aqueous Coating Composition Comprising Such Fire-Reardant Composition
20220411644 · 2022-12-29 ·

The present disclosure relates to an aqueous fire-retardant composition comprising particles dispersed in an aqueous phase, wherein the particles comprise a fire-retardant brominated epoxy polymer and an organic polymer comprising ionic dispersing groups. The present disclosure further relates to an aqueous fire-retardant coating composition comprising such fire-retardant composition, and to a substrate coated with a coating deposited from such coating composition.

POLISHING PAD AND METHOD FOR PREPARING A SEMICONDUCTOR DEVICE USING THE SAME
20220410337 · 2022-12-29 ·

The present invention relates to a polishing pad for use in a chemical mechanical planarization (CMP) process of semiconductors, to a process for preparing the same, and to a process for preparing a semiconductor device using the same. The polishing pad according to an embodiment can achieve low hardness by comprising a polishing layer formed using a curing agent of specific components. It is possible to enhance the mechanical properties of the polishing pad, as well as to improve the surface defects appearing on the surface of a semiconductor substrate, by controlling the surface roughness reduction rate and the recovery elasticity index of the polishing pad to specific ranges. It is also possible to further enhance the polishing rate.

Composition for forming polyurethane film, polyurethane-film derived therefrom and article comprising the same

Disclosed is a composition for forming a polyurethane film with improved reaction stability, comprising an OH group-containing polymer; an isocyanate-based compound as a curing agent; and an alicyclic urea diol compound having two urea groups and an OH group at two terminals, and a polyurethane film with improved self-healable property from tear, derived from the composition.

Silane-Based Coating Compositions Comprising a Metal Alkoxide Catalyst
20220403208 · 2022-12-22 ·

Described herein are silane-based coating compositions, particularly clearcoat compositions, including a metal alkoxide catalyst. Also described herein are silane-based coating compositions, particularly clearcoat compositions, including a silane-based compound having two different alkoxysilane moieties. Further, described herein are a method of coating substrates with such coating compositions and coated substrates obtained by said method. Finally, described herein are multilayer coatings and substrates coated with said multilayer coatings.

POLYURETHANE COMPOSITIONS SALTED WITH BISBIGUANIDE

The present subject matter relates to a polyurethane composition comprising a polyurethane with at least one free acid group salted with a biguanide free base.

URETHANE RESIN COMPOSITION AND LEATHER SHEET
20220403164 · 2022-12-22 · ·

A water-containing urethane resin composition that is produced using a biomass raw material and excellent in oleic acid resistance, texture, and liquid mixture stability. A urethane resin composition including: a urethane resin (A) having an anionic group and a nonionic group and produced using as a raw material a polycarbonate polyol (a1) produced using biomass-derived decanediol as a raw material; a nonionic emulsifier (B); and water (C). A leather sheet in which a coagulated product of the urethane resin composition is present in a fibrous substrate. Both the urethane resin (A) and the nonionic emulsifier (B) preferably have an oxyethylene group and an oxypropylene group.

FIBERS, FIBER MULTILAYER STRUCTURE, SPINNING SOLUTION FOR ELECTROSPINNING, AND METHOD FOR PRODUCING FIBERS

The present invention provides nanometer-sized fibers that are produced by an electrospinning method with use of a spinning solution for electrospinning, said spinning solution being environmentally friendly and taking the effects of an organic solvent on the human body into consideration. The fibers are formed from a resin that contains a silicone-modified polyurethane resin which is a reaction product of (A) a polyol, (B) a water dispersant, (C) an active hydrogen group-containing organopolysiloxane represented by formula (1)


R.sup.1R.sup.2R.sup.3SiO(SiR.sup.2R.sup.3O).sub.nSiR.sup.1R.sup.2R.sup.3  (1)

(wherein R.sup.1 represents a monovalent hydrocarbon group which may have an oxygen atom in the chain, while having from 1 to 10 carbon atoms and a hydroxyl group or a mercapto group, or a monovalent hydrocarbon group which has a primary amino group or a secondary amino group, while having from 1 to 10 carbon atoms; each of R.sup.2 and R.sup.3 represents a group that is selected from among an alkyl group having from 1 to 10 carbon atoms, an aralkyl group having from 7 to 10 carbon atoms, an aryl group having from 6 to 12 carbon atoms and a vinyl group; and n represents an integer from 1 to 200), and (D) a polyisocyanate.