The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures including one or more layers formed from such blends. In one aspect, a polymer blend includes a copolymer including ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I.sub.2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer includes 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm.sup.3 or more and having a melt index (I.sub.2) of 20 g/10 minutes or less, wherein the polyolefin includes 1 to 55 weight percent of the blend based on the total weight of the blend.

The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures including one or more layers formed from such blends. In one aspect, a polymer blend includes a copolymer including ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I.sub.2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer includes 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm.sup.3 or more and having a melt index (I.sub.2) of 20 g/10 minutes or less, wherein the polyolefin includes 1 to 55 weight percent of the blend based on the total weight of the blend.

The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction of a dicarboxylic acid or an ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a water-insoluble or hardly water-soluble phosphate having on the surfaces a coating layer of titanic acid in an amount, of 0.1 to 100 parts by weight in terms of TiO.sub.2 per 100 parts by weight of the phosphate.

The invention provides a polycondensation catalyst for producing polyester by an esterification reaction or a transesterification reaction of a dicarboxylic acid or an ester-forming derivative thereof and a glycol, wherein the polycondensation catalyst comprises particles of a water-insoluble or hardly water-soluble phosphate having on the surfaces a coating layer of titanic acid in an amount, of 0.1 to 100 parts by weight in terms of TiO.sub.2 per 100 parts by weight of the phosphate.

A liquid crystal polyester resin composition containing 100 parts by mass of a liquid crystal polyester resin; and at least 5 parts by mass and at most 100 parts by mass of glass components; wherein the glass components contain glass fibers having a length of more than 50 μm and glass fine powders having a length of at least 4 μm and at most 50 μm; the number-average fiber length of the glass fibers is at least 200 μm and at most 400 μm; and the content of the fine powders is at least 20% and at most 95% relative to a total number of the glass components.

A liquid crystal polyester resin composition containing 100 parts by mass of a liquid crystal polyester resin; and at least 5 parts by mass and at most 100 parts by mass of glass components; wherein the glass components contain glass fibers having a length of more than 50 μm and glass fine powders having a length of at least 4 μm and at most 50 μm; the number-average fiber length of the glass fibers is at least 200 μm and at most 400 μm; and the content of the fine powders is at least 20% and at most 95% relative to a total number of the glass components.

The present invention relates to high-voltage components, especially for electromobility, containing polymer compositions based on at least one polyester and at least one sulfide containing cerium, and to the use thereof for production of polyester-based high-voltage components or for marking of polyester-based products as high-voltage components by laser.

The present invention relates to high-voltage components, especially for electromobility, containing polymer compositions based on at least one polyester and at least one sulfide containing cerium, and to the use thereof for production of polyester-based high-voltage components or for marking of polyester-based products as high-voltage components by laser.

The invention relates to an adhesive tape, in particular wrapping tape, for sheathing automotive cables, having a textile support and at least one adhesive coating layer applied to one side or both sides of the textile support, and the textile support being manufactured entirely or partially from bio-based polymer fibers and/or polymer yarns, characterized in that the textile support is constituted of multi-weft yarns and/or multi-warp yarns.

The invention relates to a compression bandage comprising a nonwoven-based bandage layer that has been stitched over with elastic textile threads by stitch bonding methods, the textile threads being heat-shrinkable and not elastomeric and the compression bandage having an elasticity after heat shrinking of the textile threads by 50-200%, particularly 50% to 90% and especially 50% to 70%. The invention also relates to a compression bandage combination.