A composition comprising; a) at least one homopolymer or copolymer of vinyl acetate; and b) at least one softener.

A heat-storage composition includes a resin and a heat storage material. The composition has a viscosity of 100 to 1,000 dPa.Math.s, as measured with a cylinder-type rotational viscometer. The composition also has a storage elastic modulus (G) of 3 Pa or more at an angular frequency of 1 rad/s, as measured by a dynamic viscoelasticity measurement method at a temperature of 25 C. and at a strain of 0.1%.

An ultrasonic masking system (1) comprises at least one resin (2) and a plurality of hollow spheres (4) embedded in the resin (2), forming a coating material having a reduced mass capable of hindering an analysis by ultrasonic detection.

The invention is related to a new fiber reinforced polypropylene composition with reduced weight and maintained mechanical properties, as well as articles formed therefrom.

A thermally releasable adhesive member includes a base resin and microcapsules dispersed in the base resin. At least one of the microcapsules includes a shell part which comprises a hydrophobic polymer material, and a hollow part which is defined by the shell part and contains an organic solvent.

A thermally releasable adhesive member includes a base resin and microcapsules dispersed in the base resin. At least one of the microcapsules includes a shell part which comprises a hydrophobic polymer material, and a hollow part which is defined by the shell part and contains an organic solvent.

Polystyrene-phenolic foam composites and processes for their preparation are provided. The composites have very low density yet retain advantageous mechanical properties. The composites have excellent fire resistance properties and find application in the production of insulation panels.

Disclosed is a photochromic composition comprising a naphthopyran-based photochromic compound having a specific structure and an oligomer.

This invention relates to gel compositions for filling cables, such as communication cables, in particular to gel compositions containing microspheres, to cables comprising said gels, and to methods of preparing such gel.

A method for producing an aqueous dispersion of hollow polymer particles including: a core formation step wherein core polymer particles are formed by copolymerizing a monomer mixture; a first shell layer formation step wherein first shell layers that cover the particles are formed by copolymerizing a monomer mixture in the presence of the particles; a core swelling step wherein the particles are swelled by adding a base into an aqueous dispersion containing the particles, which have been provided with the first shell layers, and setting the pH of the aqueous dispersion to 7 or more; a polymerization stopping step wherein the polymerization is stopped after the core swelling step; and a shell swelling step wherein the first shell layers are swelled by adding a monomer mixture into the aqueous dispersion containing the particles, which have been provided with the first shell layers and swelled, after the polymerization stopping step.