Degussa Aktiengesellschaft

Evonik Degussa Gmbh

Huels Aktiengesellschaft

Other

Guido Schmitz

Harald Haeger

Hans Ries

Georg Oenbrink

Wilfried Bartz

Franz-Erich Baumann

Ralf Richter

Rainer Goering

Giselher Franzmann

Juergen Franosch

Harald Häger

Ralf Schueler

Michael Schlobohm

Martin Himmelmann

Heinz Peirick

Hans-Peter Hauck

Harald H&auml;ger

Michael B&ouml;er

Frank Lorenz

Guenther Brudny

A multilayer composite which has improved adhesion between the layers, with the following layers:

Multilayer composite having a polyester layer and a protective layer

A multilayer composite which comprises the following layers: I. an interior layer I selected from among a fluoropolymer molding composition and a polyolefin molding composition; II. a bonding agent layer II which has the following composition: a) from 0 to 80 parts by weight of a polyamine-polyamide graft copolymer, b) from 0 to 85 parts by weight of polyamide, c) from 0 to 85 parts by weight of a polymer selected from among fluoropolymers and polyolefins; with the sum of the parts by weight of a), b) and c) being 100; and, in addition, the sum of the components a) and b) comprising at least 20 parts by weight of monomer units derived from caprolactam and/or the combination hexamethylenediamine/adipic acid, hexamethylenediamine/suberic acid, hexamethylenediamine/sebacic acid, hexamethylenediamine/dodecanedioic acid, hexamethylenediamine/isophthalic acid or hexamethylenediamine/terephthalic acid and d) not more than 50 parts by weight of additives selected from among impact-modifying rubber and customary auxiliaries and additives; III. a layer III comprising an EVOH molding composition, has improved adhesion of the layers.

Multi-layer composite comprising an EVOH layer and a protective layer

A layered composite which includes the following layers (I) and (II), wherein layer (I) includes (a) from 0 to 80 part by weight of at least one particular polyamide; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer; and (c) from 0 to 80 parts by weight of at least one particular polyamide which is different from (a), wherein various monomer units are present in at least 20 parts by weight of the entirety of (a) and (b) and various other monomer units are present in at least 20 parts by weight of the entirety of (b) and (c); and layer (II) includes at least one ethylene-vinyl alcohol copolymer.

Composite having two or more layers, including an EVOH layer

A layered composite contains the following layers: (I) a layer I composition containing (a) from 0 to 80 parts by weight of at least one polyamide; (b) from 0 to 100 parts by weight of at least one polyamine-polyamide copolymer; and (c) from 0 to 80 parts by weight of at least one polyamide; and (II) a layer II composition containing at least one ethylene-vinyl alcohol copolymer.

Multilayer composite based on polyamide/polyolefin

Plastic molding having two or more layers and antistatic properties

Polyamide composite having two or more layers

Multilayer composites

A molding composition of at least 50% by weight of a polyamine-polyamide copolymer obtained from 0.05 to 2.5% by weight of a polyamine having at least 4 nitrogen atoms and having a viscosity of at least 5 000 Pa&bull;s at 250&deg; C. and at a shear rate of 0.1 l/s, and having a viscosity ratio of at least 7 at 250&deg; C., when the melt viscosities at shear rates of 0.1 l/s and 100 l/s are compared with one another, has high melt stiffness and is easy to cut, and performs well in blow molding.

Molding composition with good capability for blow molding

The present invention relates to a molding composition containing thermoplastic polyesters, impact-modifying component which contains anhydride groups, a copolymer of &agr;-olefin, acrylic compound, olefinically unsaturated epoxide, carboxylic anhydride, carboximide, oxazoline and/or oxazinone, which has improved low-temperature impact strength; methods of making molding with the molding composition and molding containing the composition.

Polyester molding composition

Polymer blend having good low-temperature impact strength

A multilayer plastic pipe comprising at least three layers, which in turn comprise at least two different polymers, which are a polymer A (barrier layer polymer), which is a particularly good barrier against permeation of the medium to be carried through the pipes embedded in a polymer B (sheathing polymer) in the form of at least one layer which is interrupted at least once by a fillet of polymer B.

Multilayer plastic pipe having a segmented barrier layer

Multilayer composite having a barrier action

A thermoplastic multilayer composite, and articles made therefrom, which has at least one layer I of a thermoplastic molding composition, at least one layer II of a further thermoplastic molding composition, bonded together with at least one layer of an adhesion promoter disposed between at least one layer I and at least one layer II. The adhesion promoter is at least 5% by weight of a graft copolymer prepared from 0.5 to 25% by weight, based on the total amount of graft copolymer, of a polyamine having at least 4 nitrogen atoms and having a number average molecular weight M of at least 146 g/mol, and polyamide-forming monomers selected from lactams, &ohgr;-aminocarboxylic acids, equimolar mixtures of diamines and dicarboxylic acids, and their mixtures.

Multilayer composite

Composite having more than one layer

Growing community of inventors

Duelmen, Germany

Guido Schmitz