Abstract: A pipe whose at least interior wall structural component is comprised of: I. from 40 to 80 parts by weight of a polyamide, and II. from 60 to 20 parts by weight of a flexible polymer whose main chains consist of carbon atoms, where the amounts of I and II in parts by weight total 100, the pipe being useful for the piping of aqueous, aqueous-alcoholic or purely alcoholic liquids.

Abstract: An optical cable, which is flame-retardant, and has excellent adhesion of the protective covering to the fiber cladding and uniform thickness of the fiber cladding, contains a polymer optical conductor containing a fiber core; a single-layer or multi-layer fiber cladding; an inner external layer which adheres to the fiber cladding with a peel force of at least 50 N; and an outer external layer which adheres to the inner external layer with a peel force of not more than 30 N. The inner external layer contains a molding composition having a first polyamide selected from a) PA 11, b) PA 12, c) PA 1012, d) PA 1212, e) a copolyamide of at least two of PA 11, PA 12, PA 1012 and PA 1212, said copolyamide containing not more than 30 mol % of a comonomer, and f) mixtures thereof. The first polyamide contains at least 50 &mgr;eq/g of amino end groups. The first molding composition has a zero-shear viscosity of from 400 to 6000 Pas.

Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters:

Abstract: A multilayer composite comprises a layer configuration A/C/B or A/C/B/C/A, wherein I. each layer A comprises a molding composition that comprises at least 50% by weight of a polymer A containing amino groups; II. layer B comprises a molding composition that consists of at least 50% by weight of a thermoplastic polyester or fluoropolymer B; III. each layer C comprises a molding composition that consists essentially of the following components a)-c): a) from 5 to 95 parts by weight of the polymer A, b) from 95 to 5 parts by weight of the polymer B, and c) from 1 to 90 parts by weight of a compatibilizer comprising an alkyl acrylate polymer.

Abstract: An optical cable, which is flame-retardant, and has excellent adhesion of the protective covering to the fiber cladding and uniform thickness of the fiber cladding, contains a polymer optical conductor containing a fiber core; a single-layer or multi-layer fiber cladding; an inner external layer which adheres to the fiber cladding with a peel force of at least 50 N; and an outer external layer which adheres to the inner external layer with a peel force of not more than 30 N. The inner external layer contains a molding composition having a first polyamide selected from a) PA 11, b) PA 12, c) PA 1012, d) PA 1212, e) a copolyamide of at least two of PA 11, PA 12, PA 1012 and PA 1212, said copolyamide containing not more than 30 mol % of a comonomer, and f) mixtures thereof. The first polyamide contains at least 50 &mgr;eq/g of amino end groups. The first molding composition has a zero-shear viscosity of from 400 to 6000 Pas.

Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters: a) DBP absorption of from 100 to 300 ml/100 g; b) a specific surface area of from 30 to 180 m2/g; c) an ash content of less than 0.1% by weight and d) a grit content of not more than 25 ppm, has improved heat-ageing resistance, and also improved resistance to peroxide-containing motor fuels.

Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters:

Abstract: A pipe whose at least interior wall structural component is comprised of:

Abstract: A product made from plastic and composed, at least in part, of a thermoplastic molding composition which comprises polyamide and comprises from 3 to 30% by weight of a conductivity black, where the conductivity black is defined by the following parameters: a) DBP absorption of from 100 to 300 ml/100 g; b) a specific surface area of from 30 to 180 m2/g; c) an ash content of less than 0.1% by weight and d) a grit content of not more than 25 ppm, has improved heat-ageing resistance, and also improved resistance to peroxide-containing motor fuels.

Abstract: Thermoplastic molding compositions that contain(A) 10 to 90 parts by weight of polyamide 12, and 90 to 10 parts by weight of polyamide 10,12 and/or polyamide 12,12; and(B) 0 to 25 wt. % of a plasticizer, exhibit improved low temperature impact strength. The molding compositions may be used for the production of molded objects, especially tubes.

Abstract: A thermoplastic molding composition having good cold impact strength properties, consisting essentially of (I) a polyamide 1212 having a relative viscosity in the range of from 1.5 to 3.0, and (II) 2 to 25% by weight, based on the polyamide, of a plasticizer.

Abstract: A method of functionalizing a thermoplastically processible olefinic polymer, comprising the step of:reacting in a melt, an olefinic polymer with a functionalizing agent having the formula ##STR1## wherein X.sub.1 and X.sub.2 are, independently, a OH group, a C.sub.1-10 alkoxy group, the group NR.sub.1 R.sub.2, or X.sub.1 and X.sub.2, taken together, are oxygen or the group --NR.sub.1 --; whereinR.sub.1 and R.sub.2 are, independently, hydrogen, a C.sub.1-10 (cyclo)alkyl group, a C.sub.1-10 hydroxyalkyl group, an aryl group with up to 10 carbon atoms, a C.sub.1-10 acyl group, or R.sub.1 and R.sub.2, taken together, are a C.sub.2-9 unsubstituted or hydroxyl substituted alkylene group.