Patent classifications
C08G18/345
POLYURETHANE GELS
The present invention relates to gel compositions comprising a polyurethane elastomer. The polyurethane elastomer is formed from the reaction of a polyol, a polyisocyanate, and optionally a polyurethane reaction catalyst, optionally in the presence of a topically acceptable carrier fluid. In some embodiments, the gel composition comprises a personal active ingredient or a healthcare active ingredient, which may be incorporated into the gel composition via a pre-load method or a post-load method. Also provided herein are gel pastes and topical formulations comprising the polyurethane elastomers, and methods of making the same.
Thermosetting resin composition, method for forming protective film for flexible wiring board, and flexible wiring board
A thermosetting resin composition which contains a polyurethane resin and a curing agent, the polyurethane resin including a constitutional unit derived from an alicyclic diol and having an acid value of 10 to 35 mgKOH/g.
Thermosetting resin composition, method for forming protective film for flexible wiring board, and flexible wiring board
A thermosetting resin composition which contains a polyurethane resin and a curing agent, the polyurethane resin including a constitutional unit derived from an alicyclic diol and having an acid value of 10 to 35 mgKOH/g.
Polymer, polymer modified titanium dioxide pigment, and method of forming a pigmented paint formulation
A new polymer that is capable of forming a composite with titanium dioxide particles and latex particles when admixed therewith is provided. The new polymer includes a water soluble polymer backbone, a first functional group attached to the polymer backbone and having an affinity for latex, and a second functional group attached to the polymer backbone and capable of forming a bond with titanium dioxide. A polymer modified titanium dioxide pigment and a method of forming a pigmented paint formulation are also provided.
Low toxicity solvent system for polyamideimide and polyamide amic acid resin coating
A polyamideimide and polyamide amic acid resin polymer that allows for reduced levels of toxicity in manufacturing. In an embodiment, a coating composition comprises at least one polyamideimide resin, at least one aprotic dialkylamide solvent and at least one co-solvent. In another embodiment, the at least one co-solvent is selected from a group consisting of methyl acetate, n-propyl acetate, t-butyl acetate, iso-butyl acetate, ethyl acetate, isopropyl acetate, methyl lactate, ethyl lactate, n-propyl lactate, isopropyl lactate, n-butyl lactate, isobutyl lactate, t-butyl lactate, cyclohexanone, cyclopentanone, n-butyl acetate, methyl alcohol, ethyl alcohol, isopropyl alcohol, n-acetyl morpholine, ε-caprolactone and methylcyclohexane.
Polyamideimide resin and coating material
A polyamideimide resin having isocyanate groups at the terminals, wherein at least a portion of the isocyanate groups are blocked with an ether group-containing cyclic amine.
Polyamide foams which inhibit the spread of fires for filling cavities in mining
Polyamide foams which do not propagate fire are obtained by mixing (i) a liquid isocyanate component which comprises at least one polyisocyanate and in which the molar ratio of aromatic isocyanate groups to the sum of aromatic and aliphatic isocyanate groups is at least 60 mol %, with (ii) at least one liquid isocyanatereactive component which comprises a reactive diluent, and the reactive diluent 10 comprises (a) a chain-extending and/or crosslinking reactive diluent selected from among aliphatic branched C.sub.24-66-polycarboxylic acids, alicyclic C.sub.24-66-polycarboxylic acids and partial esters of polycarboxylic acids having at least two unesterified carboxyl groups and/or (b) a chain-terminating reactive diluent selected from among aliphatic branched C.sub.24-66-monocarboxylic acids, alicyclic C.sub.24-66-monocarboxylic acids and partial esters of polycarboxylic acids having one unesterified carboxyl group, wherein the liquid isocyanate-reactive component comprises an aromatic C.sub.8-18-polycarboxylic acid and/or an anhydride thereof.
SOLVENT FOR RESIN SYNTHESIS AND METHOD FOR PRODUCING SYNTHETIC RESIN USING SAID SOLVENT
To provide: a solvent used for synthesizing a synthetic resin such as a polyimide resin and a polyurethane resin, the solvent capable of synthesizing a polymer having a high molecular weight in a short time, causing no clouding of a reaction solution during and after reaction, and having high transparency and storage stability; and a method for producing the synthetic resin using the solvent. A solvent (C) for resin synthesis, containing: 10 to 99.9999 mass % of an amide-based solvent (A); and 0.0001 to 5 mass % of a reaction accelerator (B), in which the reaction accelerator (B) is an aliphatic or aromatic tertiary amine compound having one or more tertiary amino groups in a molecule of the reaction accelerator (B).
Preparation of poly amidoimides
A liquid composition comprising (a) a solvent or solvent mixture containing at least 50% by weight, based on the total amount of solvents, of a dioxabicycloalkane derivative, (b) an aromatic tricarboxylic acid anhydride, and (c) an aromatic diisocyanate,
can be used as coating composition for metal surfaces.
Viscoelastic element based on a polyurethane foam
The present invention relates to a viscoelastic element comprising a polyurethane foam, wherein the polyurethane foam can be obtained by reacting at least one isocyanate-functional prepolymer (VI) in the presence of a special polyurethane urea dispersion (V2), wherein the reaction of the prepolymer (VI) takes place in the presence of the polyurethane urea (V2) with a medium containing isocyanate-reactive groups. The invention also relates to a method for producing the viscoelastic element and to the use thereof.