Abstract: A spun-dyed polyester monofilament is provided having a linear density of at least 40 dtex containing at least one pigment selected from the group of phthalocyanine, metallophthalocyanine, pyrazolone, anthraquinone, dioxazine, sulfur, azo, dibenzanthrone and/or perylene pigments, wherein the sum total of free hot-air shrinkage after 30 minutes' treatment at 180° C. and extension at a specified load of 27 cN/tex from the stress-strain diagram of the polyester monofilament is less than 15%.

Abstract: Described are melt-spun strands having a modulus of elasticity of from 8 to 14 GPa and an elastic extension of up to 1.5%, comprising a) a thermoplastic polyester, b) a thermoplastic elastomeric block copolymer, and c) carbon black and/or graphite particles in the form of aggregates aligned along the longitudinal axis of the strand which form electrically conductive paths along the longitudinal axis of the strand. The strands exhibit very high electrical conductivity and are useful for forming screens, wires, sieves or other technical/industrial wovens.

Abstract: Described are antimicrobial strands comprising a) thermoplastic elastomer, b) polymer having a melting point of at least 10° C. below the melting point of the thermoplastic elastomer and c) halogenated phenol. These strands are notable for an excellent antimicrobial effect, which survives repeated washing.

Abstract: Strands comprise a) a selected thermoplastic elastomeric polymer and b) a perylene pigment. These strands are very useful for interior trim equipment of vehicles, in office chair covers or in functional apparel. They combine low abrasion with low thermal absorption.

Abstract: Described are polyester monofilaments having a surficially applied glycidyloxyalkylenetrialkoxysilane-containing finish. They are notable for particularly good adhesion in elastomers.

Abstract: Described are antimicrobial strands comprising a) thermoplastic elastomer, b) polymer having a melting point of at least 10°C. below the melting point of the thermoplastic elastomer and c) halogenated phenol. These strands are notable for an excellent antimicrobial effect, which survives repeated washing.

Abstract: Described are melt-spun strands having a modulus of elasticity of from 8 to 14 GPa and an elastic extension of up to 1.5%, comprising a) a thermoplastic polyester, b) a thermoplastic elastomeric block copolymer, and c) carbon black and/or graphite particles in the form of aggregates aligned along the longitudinal axis of the strand which form electrically conductive paths along the longitudinal axis of the strand. The strands exhibit very high electrical conductivity and are useful for forming screens, wires, sieves or other technical/industrial wovens.

Abstract: Described are melt-spun strands having a modulus of elasticity of less than 6 GPa and an elastic extension of greater than 1.5%, comprising a) a thermoplastic polymer, b) a thermoplastic elastomeric block copolymer, and c) carbon black and/or graphite particles in the form of aggregates aligned along the longitudinal axis of the strand which form electrically conductive paths along the longitudinal axis of the strand. The strands exhibit very high electrical conductivity and are useful for forming screens, wires, sieves or other technical/industrial wovens.

Abstract: Described are melt-spun strands having a modulus of elasticity of at least 14 GPa and an elastic extension of less than or equal to 0.5%, comprising a) a thermoplastic polyester, b) a thermoplastic elastomeric block copolymer, and c) carbon black and/or graphite particles in the form of aggregates aligned along the longitudinal axis of the strand which form electrically conductive paths along the longitudinal axis of the strand. The strands exhibit very high electrical conductivity and are useful for forming screens, wires, sieves or other technical/industrial wovens.

Abstract: Described are fibers comprising aliphatic-aromatic polyester and non-layered platelet-shaped particles selected from the group of inorganic oxides, hydroxides, carbonates, bicarbonates, nitrides and carbides, having a thickness in the range from 20 nm to not more than 100 nm and an aspect ratio of not more than 20:1. The polyester fibers possess excellent bending fatigue resistance, give distinctly reduced abrasion and are useful for producing screens or other industrial fabrics.

Abstract: Described are fibers comprising aliphatic-aromatic polyester, hydrolysis stabilizer and spherical particles of oxides of silicon, of aluminum and/or of titanium having an average diameter of not more than 100 nm. The polyester fibers possess excellent bending fatigue resistance, give distinctly reduced abrasion and are useful for producing screens or other industrial fabrics.

Abstract: The invention is directed to a sheath core monofilament which displays enhance abrasion resistance. The core is a liquid crystalline polyester and the sheath is a blend of 1-5 percent by weight polycarbonate and a polyester.

Abstract: Monofils based on polyethylene-2,6-naphthalate are described containing 60 to 99.9 wt-percent polyethylene-2,6-naphthalate, 0.1 to 10 wt-percent of one or more liquid crystalline polymers, 0 to 15 wt-percent polybutylene terephthalate and 0 to 3 wt-percent of an inhibitor, as well as optionally additional additives, as is a melt-spinning process for producing the same. The filaments are characterized by good mechanical properties, in particular improved knot strength and resistance to hydrolysis. They are suited primarily for making screens, filters and reinforcing inlays.

Abstract: Papermaking machine fabrics, filters and reinforcing layers for elastomers, comprise monofilaments of copolymers containing 85 to 99 mol % of the structural repeat unit of the formula I ##STR1## 1 to 15 mol % of the structural repeat unit of the formula II--OC--R.sup.2 --CO--O--R.sup.3 --O-- (II),whereR.sup.1 is a radical of a dihydric aliphatic or cycloaliphatic alcohol or is derived from mixtures of such alcohols,R.sup.2 is a radical of an aliphatic, cycloaliphatic or monocyclic aromatic dicarboxylic acid or is derived from mixtures of such dicarboxylic acids,R.sup.3 assumes one of the definitions for R.sup.1, and the quantitative data are based on the total amount of the polymer.

Abstract: Described are monofilaments with a core-sheath structure comprising a core of a thermoplastic polyester or copolyester and a sheath comprising a thermoplastic polyester, wherein the polyester or copolyester of the core has a melting point of 165.degree. to 290.degree. C., preferably of 220.degree. to 240.degree. C., and includes at least 70 mol %, based on the totality of all polyester structural units, of structural units derived from aromatic dicarboxylic acids and from aliphatic diols, and not more than 30 mol %, based on the totality of all polyester structural units, of dicarboxylic acid units which differ from the aromatic dicarboxylic acid units which form the predominant portion of the dicarboxylic acid units, and diol units derived from aliphatic diols and which differ from the diol units which form the predominant portion of the diol units, and the sheath comprises a polyester mixture comprising a thermoplastic polyester whose melting point is between 165.degree. and 240.degree. C., preferably 220.

Abstract: Described are monofilaments with a core-sheath structure comprising a core of a thermoplastic polyester or copolyester and a sheath comprising a thermoplastic polyester, wherein the polyester or copolyester of the core has a melting point of 200.degree. to 300.degree. C., preferably of 220.degree. to 285.degree. C., and includes at least 70 mol %, based on the totality of all polyester structural units, of structural units derived from aromatic dicarboxylic acids and from aliphatic diols, and not more than 30 mol %, based on the totality of all polyester structural units, of dicarboxylic acid units which differ from the aromatic dicarboxylic acid units which form the predominant portion of the dicarboxylic acid units, and diol units derived from aliphatic diols and which differ from the diol units which form the predominant portion of the diol units, and the sheath comprises a polyester mixture comprising a thermoplastic polyester whose melting point is between 200.degree. and 300.degree. C., preferably 220.