C08G18/00

UREA RESIN COMPOSITION AND POLYUREA FOAM
20230323012 · 2023-10-12 ·

A urea resin composition capable of providing a polyurea foam exhibiting excellent flame retardancy and shape retention during combustion, capable of suppressing deterioration over time in a wet-heat environment, exhibiting excellent adhesion to an adherend during coating, being hardly cracked even if flame contact occurs, and hardly allowing carbonization to proceed to a deep portion of the foam. A urea resin composition comprising a polyisocyanate compound (A), a polyamine compound (B), a trimerization catalyst, a foaming agent, a foam stabilizer, and a flame retardant.

Method for producing particle foams based on thermoplastic elastomers, by thermal bonding using microwaves
11161956 · 2021-11-02 · ·

A method for producing bead foams from foam beads based on thermoplastic elastomers, especially thermoplastic polyurethane, comprises foam beads being wetted with a polar liquid and joined together thermally in a mold via high-frequency electromagnetic radiation, especially microwave radiation, and also the bead foams obtainable therefrom.

Method for producing particle foams based on thermoplastic elastomers, by thermal bonding using microwaves
11161956 · 2021-11-02 · ·

A method for producing bead foams from foam beads based on thermoplastic elastomers, especially thermoplastic polyurethane, comprises foam beads being wetted with a polar liquid and joined together thermally in a mold via high-frequency electromagnetic radiation, especially microwave radiation, and also the bead foams obtainable therefrom.

EPOXY BASED REINFORCING PATCHES HAVING IMPROVED DAMPING LOSS FACTOR

A reinforcing sheet including one or more layers of a reinforcing material, and a thermosetting adhesive associated with the reinforcing material, wherein the thermosetting adhesive includes a curing agent, and an epoxy-modified dimerized fatty acid combined with an epoxy terminated polyurethane interpenetrating network.

Softening composition
11753496 · 2023-09-12 · ·

The invention relates to the field involving the softening or lubricating of natural, synthetic or mixed textile fibres, as well as keratin fibres. The invention provides a softening composition, the rheology of which is controlled by means of a particular thickening agent. The invention also relates to the thickening agent, which is made from multiple isocyanate compounds.

METHOD FOR THE PRODUCTION OF A THERMOPLASTIC POLYOXAZOLIDINONE

A process for producing a thermoplastic polyoxazolidinone comprising copolymerization of a diisocyanate compound (A) with a bisepoxide compound (B) in the presence of a specific a quaternary ammonium, quaternary phoshonium and/or quaternary stibonium-based catalyst (C), a compound (D), a compound (F) wherein compound (D) and compound (F) is one or more compounds selected from the group consisting of a monofunctional isocyanate, a monofunctional epoxide, a cyclic carbonate, a monofunctional alcohol, a monofunctional amine optionally in a solvent (E), and wherein bisepoxide compound (B) comprises an epoxy-terminated oxazolidone-based prepolymer. The invention is also related to the resulting thermoplastic polyoxazolidinone.

Polymeric material including a uretdione-containing material and an epoxy component, two-part compositions, and methods

The present disclosure provides a polymeric material including a polymerized reaction product of a polymerizable composition including components and has a solids content of 90% or greater. The components include a uretdione-containing material including a reaction product of a diisocyanate reacted with itself; a first hydroxyl-containing compound; an optional second hydroxyl-containing compound having a single OH group, wherein; and an epoxy component. The first hydroxyl-containing compound has more than one OH group and the optional second hydroxyl-containing compound is a primary alcohol or a secondary alcohol. The present disclosure also provides a two-part composition, in which the polymeric material is included in the first part and the second part includes at least one amine. Further, a method of adhering two substrates is provided, including obtaining a two-part composition; combining at least a portion of the first part with at least a portion of the second part to form a mixture; disposing at least a portion of the mixture on a first substrate; and contacting a second substrate with the mixture disposed on the first substrate. The disclosure also provides a polymeric material and a method of making a two-part composition. Advantageously, two-part compositions according to the present disclosure can be used as coatings and adhesive systems with handling and performance similar to existing two-part urethane systems, but with less sensitivity to water.

EPOXY BASED REINFORCING PATCHES HAVING IMPROVED DAMPING LOSS FACTOR

A reinforcing sheet including one or more layers of a reinforcing material, and a thermosetting adhesive associated with the reinforcing material, wherein the thermosetting adhesive includes a curing agent, and an epoxy-modified dimerized fatty acid combined with an epoxy terminated polyurethane interpenetrating network.

Omniphobic polyurethane compositions, related articles, and related methods

The disclosure relates to a thermoset omniphobic composition, which includes a thermoset polymer with first, second, and third backbone segments, urethane groups linking the first and third backbone segments, and urea groups linking the first and second backbone segments. The first, second, and third backbone segments generally correspond to urethane or urea reaction products of polyisocyanate(s), amine-functional hydrophobic polymer(s), and polyol(s), respectively. The thermoset omniphobic composition has favorable omniphobic properties, for example as characterized by water and/or oil contact and/or sliding angles. The thermoset omniphobic composition can be used as a coating on any of a variety of substrates to provide omniphobic properties to a surface of the substrate. Such omniphobic coatings can be scratch resistant, ink/paint resistant, dirt-repellent, and optically clear. The thermoset omniphobic composition can be applied by different coating methods including cast, spin, roll, spray and dip coating methods.

COATING SYSTEMS AND METHODS FOR COATING LARGE COMPONENTS

A coating system includes at least one putty layer and at least one clear coat layer. The at least one putty layer includes a putty having a binder component which has at least one polyaspartic acid ester and a hardener component which has at least one polyisocyanate. The at least one clear coat layer includes a clear coat coating material based on an RMA binder or a polyaspartic acid ester binder.