Evonik Roehm Gmbh

Rohm Gmbh

Roehm Gmbh

Evonik Degussa Gmbh

Röhm Gmbh & Co. Kg

Roehm America LLC

Evonik Rohm Gmbh

Polyvantis Gmbh

Ghirmay Seyoum

Thomas Hasskerl

Rolf Neeb

Klaus Schultes

Klaus Koralewski

Thorsten Goldacker

Detlef Birth

Girolamo Musci

Erwin Felger

Claude Guénanten

Elevtherios Gross

Gunther Dickhaut

Werner Hoess

Stipan Katusic

Markus Parusel

Herbert Groothues

Michael Enders

Manfred Dannehl

Claude Guenanten

Eric Reinheimer

Guenther Dickhaut

Dieter Forster

Wangelis Karampougioukis

Wolffgang Wiebel

Dieter Foerster

Kim Struwe

Werner Höss

Helmut Haering

Patrick Becker

Werner Krebs

Werner Höβ

Anderson Costa

Helmut Häring

Haroldo Rodrigues

Juergen Pachmann

Helmut Háring

Max Conrad

Günther Dickhaut

Waldemar Kanzler

Patrick Kliem

Dieter FÖRSTER

Jürgen Pachmann

Werner Hoss

Helmut Haring

Jurgen Pachmann

An acrylic multilayer foil includes a layer A in which silica particles are uniformly distributed in an acrylic polymer matrix and a coating layer D. Due to adhesive promoting properties of the layer A containing silica particles, the coating layer D can be advantageously applied onto the layer A. The foil has a high weathering resistance and excellent mechanical properties. Therefore, the foil is highly suitable for surface-protection of materials such as polyvinyl chloride (PVC) and for use in high-pressure laminates (HPLs).

Acrylic multilayer foil with improved mechanical properties and a high weathering resistance

Heat resistant brittle films can be made from impact-modified poly(meth)acrylimide, and forgery prevention labels can contain the heat resistant brittle films. The films can be advantageously prepared by extrusion and, depending on the desired purpose, can be designed to be transparent, translucent, or entirely non-transparent, e.g., white. Ideally, the brittle films and the forgery prevention labels containing the brittle films have no intended break points such as slits, perforation, etc.

Forgery prevention labels for high-temperature applications

The present invention relates to peelproof security films made from a poly(meth)acrylate, more particularly from a polymethyl methacrylate, which comprises at most 10 wt % of or no impact modifiers. These films are highly transparent, have good printability qualities, and can be applied without intended break points. The peelproof security films can therefore find use in particular in documents, such as passports, for example, in security labels, such as road tax badges, for example, or for product theft prevention, or as price tags. These security labels are further distinguished by good weathering stability and in particular by especially good UV stability. The present invention relates more particularly to the use of these security labels, which have a thickness of not more than 2 mm, comprise at least 80 wt % of polymethyl methacrylate and contain no impact modification particles.

Permanent security film with high transparency and without predetermined breaking points

An extruded matt foil has at least one layer in which glass beads are uniformly distributed in a polymer matrix with at least one fluoropolymer and at least one further layer. The matt foil has a particularly high UV-resistance, a high weathering resistance and excellent mechanical properties. Therefore, the foil is highly suitable for surface-protection of materials such as polyvinyl chloride (PVC) and for use in high-pressure laminates (HPLs).

Extruded matt foil with improved mechanical properties and a high weathering resistance

The present invention relates to a method for the continuous inline production of coated polymeric substrates or laminates and also to an apparatus for implementing this method.

Process for continuous inline production of coated polymeric substrates or laminates

A reactive mixture for coating mouldings by means of reaction injection moulding, containing at least 40% by weight of (meth)acrylates having at least two double bonds. The reactive mixture contains at least one photoinitiator and at least one thermal initiator. The present invention furthermore describes a coated moulding including a moulding which is obtainable by injection moulding processes and includes at least one polymer selected from polymethyl methacrylate, polymethylmethacrylimide, styrene-acrylonitrile copolymer, styrene-maleic acid copolymer and polymethyl methacrylate copolymers, and a coating which is obtainable by polymerization of (meth)acrylates having at least two double bonds. The coating has an adhesive strength rating of not more than 1 according to the cross hatch test and a decrease in gloss at 20&#xb0; after a scratch resistance test according to ASTM 1044 (12/05) (applied weight 500 g, number of cycles=100) of not more than 10%.

Reactive mixture for coating molded objects by means of reaction injection molding and coated molded object

A reactive mixture for coating moldings by reaction injection molding includes at least 40% by weight of (meth)acrylates having at least two double bonds. The reactive mixture also includes at least one photoinitiator and at least one thermal initiator. Furthermore, a coated molding includes a molding obtainable by injection molding processes. The molding includes polymethyl methacrylate, polymethylmethacrylimide, styrene-acrylonitrile copolymer, styrene-maleic acid copolymer, polymethyl methacrylate copolymer, or a combination thereof. A coating is obtainable by polymerization of (meth)acrylates having at least two double bonds, the coating having an adhesive strength rating of not more than 1 according to the cross hatch test and a decrease in gloss at 20&#xb0; after a scratch resistance test according to ASTM 1044 (12/05) (applied weight 500 g, number of cycles=100) of not more than 10%.

The invention relates to polymerisable compositions obtained as follows: a) reaction of A) between 0.5 and 5 parts by weight of at least one silicon compound of formula (I): SimR1nR2oOrXs with B) between 0.01 and 2.0 parts by weight of water C) between 0 and 4.0 parts by weight of at least one acid; and b) subsequent addition of D) between 0.5 and 5 parts by weight of at least one (meth)acrylate of formula (II), E) between 98.99 and 55 parts by weight of at least one polymerisable, ethylenically unsaturated monomer, different from D) and F) between 0 and 30 parts by weight of at least one polymer and/or copolymer, which is obtained by the polymerisation or copolymerisation of at least one ethylenically unsaturated monomer E). The invention also relates to polymers and laminate glass obtained from the composition and to a method for producing laminate glass.

Hail-resistant acrylic laminated glass and method for producing the same

A process is described for producing mouldings from plastics by coating a moulding on one or more sides with a lacquer system, the lacquer system being composed of a binder or a binder mixture, optionally a solvent or solvent mixture, optionally other additives usual in lacquer systems and optionally a thickener, and use can be made here of polymeric thickeners at from 0 to 20% content and oligomeric thickeners at from 0 to 40% content, in each case based on dry film (components a, c, d, e), from 5 to 500 parts by weight, based on a), of an electrically conductive metal oxide powder with a median primary particle size of from 1 to 80 nm and a percentage degree of aggregation of from 0.01 to 99%, from 5 to 500 parts by weight, based on a), of inert nanoparticles coated [sic] in a manner known per se and the lacquer cured.

Method for the production of anti-statically coated moulded body

The invention relates to self-cleaning synthetic bodies, obtained as follows: a) a siloxane coating (a) is applied to a synthetic substrate and cured, b) the polar fraction of the surface energy of the cured siloxane coating on the substrate is increased to a value of at least 10 mN/m and c) a coating (b) containing photocatalytically active TiO2 particles is applied to the synthetic substrate and cured.

Self-cleaning synthetic body and method for producing the same

Growing community of inventors

Egelsbach, Germany

Ghirmay Seyoum