The invention relates to admixtures of thermoplastic polyurethane base polymers that resist surface dulling and fluorinated additives and their use in the manufacture of articles, such as medical devices. For example, the admixtures of the invention are useful in the manufacture of blood dwelling medical devices, such as catheters.

A polylactic acid resin composition, which comprises: a hard segment containing a polylactic acid repeat unit; and a soft segment containing a polyurethane polyol repeat unit in which polyether-based polyol repeat units are linearly connected to each other via a urethane linkage, can be processed at low temperatures and at high rates, has a high solidification rate, and is eco-friendly, due to a low melting point thereof, and thus is useful for 3D printing.

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks, hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

The present invention provides an aircraft window including a polyurethane including a reaction product of components including (a) about 1 equivalent of at least one polyisocyanate; and (b) about 1 equivalent of 1,4-cyclohexane dimethanol based upon the about 1 equivalent of the at least one polyisocyanate, and other aircraft window compositions.

A high-recoverability resin particles having a mean particle size of 1 to 100 μm containing a crossdinked (meth)acrylic acid ester-based resin, wherein the high-recoverability resin particles have a recovery rate of 22% or greater, and a 30% compression strength of 1.5 to 5.0 kgf/mm.sup.2.

A thermoplastic poly urethane can be obtained by a process involving a reaction of a thermoplastic polyester (PE-1) with a diamine (D1), to obtain a composition (Z1) containing an amide (PA-1), and a reaction of the obtained composition (Z1) with an isocyanate composition (I1), containing at least one polyisocyanate, and a polyol composition (P1). The diamine (D1) has a molecular weight in the range from 50 g/mol to 700 g/mol. A process can produce such a thermoplastic polyurethane, and shaped articles can be made containing the thermoplastic polyurethane.

A plasticization-resistant polyurethane membrane for gas separation and producing method are disclosed. The plasticization-resistant polyurethane membrane may include a soft segment, a hard segment and a chain extender. The soft segment may include a polyol compound and the hard segment may include a diisocyanate. The plasticization-resistant polyurethane membrane may be a cross-linked polyurethane membrane.

Disclosed herein are curable compositions comprising an epoxide-functional polymer and a curing agent that reacts with the epoxide-functional polymer that is activatable by an external energy source. The epoxide-functional polymer may be a solid a solid epoxide-functional polyurethane comprising a di-isocyanate. Also disclosed are articles comprising one of the compositions in an at least partially cured state positioned between first and second substrates. Also disclosed are methods of forming an adhesive on a substrate.

A thermosetting resin composition comprises a component (A) that is a compound having an imide group and a carboxy group in one molecule, and a component (B) that is a polymer having a repeating unit represented by the following general formula (1). R.sup.1 and R.sup.2 in formula (1) are each independently a hydrogen atom or a methyl group. R.sup.3 in formula (1) is a hydrogen atom or any substituent, and a plurality of R.sup.3s may be bonded to form a ring structure. R.sup.4 in formula (1) is a hydrogen atom or an alkyl group. m and n in formula (1) are each independently an integer of 1 or more, and m/n may be 1 to 50.

##STR00001##

Provided is a carbodiimide-based, waterborne resin crosslinking agent that can improve the storage stability of a waterborne resin composition including a waterborne resin together with the crosslinking agent and further also improve the water resistance and the solvent resistance of a cured product of the waterborne resin. A waterborne resin crosslinking agent-containing liquid and a waterborne resin composition are prepared using a waterborne resin crosslinking agent comprising a hydrophobic polycarbodiimide compound and a water-soluble organic compound as blending components, wherein the water-soluble organic compound is one or more selected from the group consisting of an alkylene glycol-based compound, a water-soluble polymer other than the alkylene glycol-based compound, and a surfactant other than the alkylene glycol-based compound or the water-soluble polymer.