C08G18/1883

1K high hardness, high impact resistance coating

A coating composition can be made by providing an aminoalkoxysilane and, in the substantial absence of water, reacting at least a portion of the aminoalkoxysilane with at least one epoxide-containing compound including an aliphatic group to yield at least one alkoxysilylamine, and then reacting the alkoxysilylamine with at least one isocyanate reagent containing at least two isocyanate groups to yield a monomer having plural alkoxysilane groups and, in many embodiments, at least two branched aliphatic groups having at least six carbon atoms. A coating composition thus formed exhibits high durability and good flexibility. Also disclosed is a method of applying a coating composition to a substrate and allowing the coating composition to cure, and the cured coating resulting from such application.

COLOUR-STABLE CURING COMPOSITIONS CONTAINING POLYISOCYANATES OF (CYCLO)ALIPHATIC DIISOCYANATES

The present invention relates to a novel process for preparing isocyanurate-comprising polyisocyanates of (cyclo)aliphatic diisocyanates that are especially stable to color drift in solvents.

CURABLE COMPOSITION, ESPECIALLY AS CRYSTALLIZING RUBBER TO SUBSTRATE BONDING PRIMER

The subject matter is a new composition comprising at least one hydroxyl-group containing resin, at least one nitroso-containing compound or at least one nitroso precursor compound, at least one blocked isocyanate and at least one crystallization germ suitable as primer or coating for rubber to substrate bonding, which provides a scratch resistant surface, when applied, and excellent adhesion and steam resistance for rubber to substrate bonds. These compositions can especially be used as one coat systems.

POLYURETHANE COATING MATERIAL COMPOSITIONS AND USE THEREOF FOR PRODUCING MULTICOAT PAINT SYSTEMS
20190359851 · 2019-11-28 · ·

Disclosed herein is a coating material compositions containing (A) a polyhydroxyl group-containing component, (B) a component (B) having on average at least one isocyanate group and having on average at least one of: at least one hydrolyzable silane group of the formula (I): NR(XSiRx(OR)3-x), and at least one hydrolyzable silane group of the formula (II): N(XSiRx(OR)3-x)n(XSiRy(OR)3-y)m, (D) a phosphorus and nitrogen-containing catalyst, and a catalyst (Z), wherein: the catalyst (Z) is selected from zinc and bismuth carboxylates, of aluminum, zirconium, titanium and/or boron chelates and/or of inorganic, tin-containing catalysts, and mixtures thereof; and the coating material composition comprises at least one reaction accelerator (R) which is selected from the group of inorganic acids and/or of organic acids and/or of partial esters of the inorganic acids and/or of partial esters of the organic acids. Processes for producing multicoat paint systems, and coatings obtained from the coating material compositions are also disclosed.

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, AND PRODUCING METHOD THEREOF

A polymerizable composition for an optical material of the present invention includes (A) a compound of which pKa value is 1 to 9, (B) a di- or higher functional iso(thio)cyanate compound, and (C) a di- or higher functional active hydrogen compound.

Amino derivatives of perfluoropolyethers

The present invention relates to (per)fluoropolyether (PFPE) amino derivatives, a method for their manufacturing and their uses.

1K HIGH HARDNESS, HIGH IMPACT RESISTANCE COATING

A coating composition can be made by providing an aminoalkoxysilane and, in the substantial absence of water, reacting at least a portion of the aminoalkoxysilane with at least one epoxide-containing compound including an aliphatic group to yield at least one alkoxysilylamine, and then reacting the alkoxysilylamine with at least one isocyanate reagent containing at least two isocyanate groups to yield a monomer having plural alkoxysilane groups and, in many embodiments, at least two branched aliphatic groups having at least six carbon atoms. A coating composition thus formed exhibits high durability and good flexibility. Also disclosed is a method of applying a coating composition to a substrate and allowing the coating composition to cure, and the cured coating resulting from such application.

SILICONE-MODIFIED POLYURETHANE FIBER AND METHOD FOR MANUFACTURING SAME

A fiber formed from a resin including a silicone-modified polyurethane resin comprising the reaction products of a polyol (A), a chain extender (B), an active-hydrogen-group-containing organopolysiloxane (C), and a polyisocyanate (D), wherein the active-hydrogen-group-containing organopolysiloxane (C) contains an active-hydrogen-group-containing organopolysiloxane (C-1) having a carbinol group at only one terminal.

URETHANE ACRYLATE HYBRID STRUCTURE ADHESIVES
20190062612 · 2019-02-28 · ·

A polymerizable adhesive composition comprising a two-part hybrid polymerizable adhesive composition is disclosed. In particular, the polymerizable adhesive composition comprises an organoborane monoamine complex, a free polyol comprising a dimer fatty polyol and a polyether polyol, at least one free radically polymerizable component, an isocyanate-terminated urethane pre-polymer, a free isocyanate and a low molecular weight chain extending compound. Also disclosed is methods of making and using a hybrid adhesive obtained from polymerization of the polymerizable adhesive composition

TWO-PACK TYPE URETHANE MOLDING MATERIAL FOR OPTICAL LENS AND POLYURETHANE RESIN OPTICAL LENS
20240287239 · 2024-08-29 · ·

Provided is a two-pack type urethane molding material for optical lenses including a main agent containing an isocyanate-terminated prepolymer which is an intermediate product of a polyurethane production reaction by an alicyclic diisocyanate and a polyhydroxy compound; and a curing agent containing an aromatic diamine of dimethylthiotoluenediamine (DMTDA), diethyltoluenediamine (DETDA) or a mixture of these. Also, a polyurethane resin optical lens is provided which is constituted by a cast molded body using the two-pack type urethane molding material.