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Huls Aktiengesellschaft

Chemische Werke Huls Aktiengesellschaft

Chemische Werke Huels Aktiengesellschaft

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Degussa-huels Aktiengesellschaft

Huels Aktiengesellschaft - Pb 15

Hans Jadamus

Roland Feinauer

Stefan Rober

Hans Ries

Klaus-Peter Richter

Wilfried Ribbing

Joachim Mugge

Hans-Dieter Herrmann

Thomas Grosse-Puppendahl

Martin Bartmann

Klaus Burzin

Horst Heuer

Michael Boer

Rainer Feldmann

Salih Mumcu

Friedrich Georg Schmidt

Gernot Horlbeck

Hanns-Jorg Bax

Christian Gerth

Michael Droescher

Stefan Roeber

Wolfgang Schafer

Roland Streck

Wilfried Bartz

Wolfgang Neugebauer

Horst Beyer

Michael Droscher

Friedrich-Georg Schmidt

Klaus Diebel

Antoine Baciu

Christian Baron

Josef Bittscheidt

Hans-Eberhard Von Portatius

Wolfgang Schaefer

Guenter Beckmann

A multilayer plastic composition having (I) an outer layer of a thermoplastic molding composition and (II) an inner layer of an electrically conductive thermoplastic molding composition containing graphite fibrils, which are useful for the transport of (petro) chemical materials and also in the motor vehicle sector for conveying brake, cooling and hydraulic fluid and also fuel.

Multilayer plastic composition having an electrically conductive inner layer

A multilayer plastic composition having (I) an outer layer of a thermoplastic molding composition and (II) an inner layer of an electrically conductive thermoplastic molding composition containing graphite fibrils, which are useful for the transport of (petro)chemical materials and also in the motor vehicle sector for conveying brake, cooling and hydraulic fluid and also fuel.

Multilayer plastic composition having an electrically conductive inner

Multilayer plastic pipe

A plastic pipe having improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties, comprising at least:

The present invention relates to a thermoplastic multilayer composite of polyamide and polyvinylidene fluoride having adhesive bonding layers and improved resistance to chemical agents such as, for example, methanol-containing fuels. The multilayer composite comprises:

Thermoplastic multilayer composites

The present invention relates to a plastic pipe having improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties, comprising.

The invention describes a process for the production of a composite article of at least two component pieces, firmly bonded to one another, of a vulcanized rubber compound on the one hand and a polyamide composition on the other hand, the vulcanized rubber compound being prepared under customary vulcanization conditions in contact with the polyamide composition by vulcanization of a rubber compound which comprises the following components: I. 100 parts by weight of a rubber, II. 0 to 300 parts by weight of fillers, III. 0 to 150 parts by weight of plasticizer, IV. 1 to 10 parts by weight of peroxide vulcanization agent, V. 0 to 4 parts by weight of vulcanization activators and VI. 1 to 10 parts by weight of a silane containing double bonds.

Process for the production of a composite article of a polyamide and an

A plastic pipe having improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties comprising:

The present invention relates to a composite material having improved thermal and mechanical properties which comprises at least:

Multilayer plastic pipe comprising at least one outer layer based on polyamide and at least one layer of a linear, crystalline polyester modified by means of an isocyanate mixture exhibits improved resistance, inter alia, to methanol-containing fuels and improved mechanical properties.

A multilayer composite having improved chemical resistance and improved intimate holding between layers is provided comprising (A) a layer of a polyamide-based molding composition having a specified level of amino end groups, and (B) a molding composition comprising a blend of a linear crystalline polyester and a polymer having a specified level of reactive end groups other than epoxide groups.

Thermoplastic multilayer composites of polyamide and linear crystalline

Laminates having improved resistance to chemicals and improved frictional bonding between the layers are to be provided. This is achieved by

Thermoplastic laminates

The present invention relates to a multilayer composite having improved chemical resistance and improved intimate bonding between layers comprising (A) a layer of a polyamide molding composition, and (B) a molding composition comprising a linear crystalline polyester and an epoxide containing compound.

A plastic pipe having improved resistance to methanol-containing fuels and improved mechanical properties is provided. This is achieved by a multilayer plastic pipe consisting of at least one outer layer based on polyamide and at least one layer of a linear, crystalline polyester modified with isocyanates. With the aid of the invention it is possible to obtain plastic pipes having improved barrier properties against methanol-containing fuels and dimensional stability and mechanical load-bearing capacity.

Multilayer plastic pipe comprising an outer polyamide layer and a layer

A method of effecting chemical bonding between a thermoplastic polymer having the recurring unit: ##STR1## and a synthetic rubber, comprising, covulcanizing a polyphenylene ether containing, thermoplastic molding compound and said synthetic rubber by heating the mixture in the presence of a vulcanizing system, said polyphenylene ether containing, thermoplastic molding compound having the composition, a) 100 parts by weight of polymers of ortho-substituted phenols having the formula: ##STR2## where R.sub.1 and R.sub.2 independently represent a methyl group or hydrogen, and R.sub.3 and R.sub.4 represent an alkyl group with up to 6 carbon atoms, or R.sub.3 represents hydrogen and R.sub.4 represents a tertiary alkyl group with up to 6 carbon atoms, b) 0-20 parts by weight polyalkenylenes, and, c) 0-100 parts by weight styrene polymers; and said synthetic rubber containing double bonds, being combined with fillers and plasticizers and being a member selected from the group consisting of (1) SBR rubbers, (2) BR rubbers, (3) IR rubbers, (4) IIR rubbers, (5) mixtures of at least two rubbers (1)-(4), and (6) mixtures of any one or more rubbers (1)-(5) with up to 80 wt. % of the rubber mixture being substituted by CIIR rubbers, up to 95 wt. % of the rubber mixture being substituted by NR rubber, up to 60 wt. % of the rubber mixture being substituted by CR rubber or up to 25 wt. % of the rubber mixture being substituted by NBR rubber.

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Marl, Germany

Hans Jadamus