Ciba Specialty Chemicals Corporation

Ciba-geigy Corporation

Huntsman International LLC

Huntsman Advanced Materials Americas LLC

Other

Vantico Limited

Huntsman Advanced Materials LLC

Huntsman Advanced Materials Licensing Gmbh

Frans Setiabudi

Sameer H Eldin

Robert Peter Peyer

Jean-Pierre Wolf

Urs Gruber

Luitpold Miller

Andreas Muhlebach

Wolfgang Hahn

Ulrich Weidmann

Dean Tallak Behm

Ulrich Massen

Michel Gehrig

Thomas Kainmuller

Thomas Moser

Philippe Michaud

Roland Moser

Yoshiaki Naganuma

A thermosetting composition comprising (a) at least one phosphorous-free dihydrobenzoxazine component; (b) at least a quaternary ammonium salt and (c) optionally a compound comprising at least an epoxy group is disclosed. Cured products made from these compositions have valuable chemical, physical and mechanical properties.

Thermosetting composition

A thermosetting composition comprising (a) 97 to 40 percent by weight of at least one bis(dihydrobenzoxazine) prepared by the reaction of an unsubstituted or substituted bisphenol with at least one unsubstituted position ortho to each hydroxyl group, formaldehyde and a primary amine; and (b) 3 to 60 percent by weight of at least one bisphenol, wherein the percent by weight refer to the total amount of components (a) and (b), with the proviso that (a) and (b) add up to 100 percent by weight; and (c) optionally other components. Cured products made from these compositions have valuable chemical, physical and mechanical properties.

A thermosetting composition comprising (a) 97.9 to 40 percent by weight of at least one bis(dihydrobenzoxazine) prepared by the reaction of an unsubstituted or substituted bisphenol with at least one unsubstituted position ortho to each hydroxyl group, formaldehyde and a primary amine; (b) 2 to 50 percent by weight of at least one organic polyamine; and (c) 0.1 to 10 percent by weight of at least one curing catalyst, selected from the group of carboxylic acids, sulfonic acids and phosphonic acids having at least two acid groups and no other reactive groups; wherein the percent by weight refer to the total amount of components (a), (b) and (c) in the composition, with the proviso that (a), (b) and (c) add up to 100 percent by weight; and (d) and optionally other components. Cured products of these compositions show valuable chemical, physical and mechanical properties.

Impregnating reinforcing material with photopolymerizable epoxy resin composition

A solvent-free epoxy resin matrix composition comprising: (a) a liquid epoxy resin or a liquid mixture of epoxy resins, (b) a benzylidenamine compound, (c) an aliphatic or cycloaliphatic primary monoamine and/or disecondary diamine; and (d) a catalytically curing tertiary amine. The epoxy resin matrix composition is used as an impregnating resin to form impregnated fiber composite materials.

Epoxy resin composition

Compositions containing: (a) a liquid epoxy resin; (b) an aliphatic or cycloaliphatic primary monoamine and/or an aliphatic or cycloaliphatic disecondary diamine; (c) a latent curing agent for the epoxy resin (a) which does not react until temperatures above 70&#xb0; C. (measured by means of DSC at a heating rate of 10&#xb0; C./min); (d) a photopolymerizable compound; and (e) a photoinitiator; the ratio of the number of equivalents of epoxy groups to that of photopolymerizable groups being 1:0.01 to 1:0.7, are suitable as impregnating resins.

Epoxy resin

Production of photoresist coatings

The method of manufacturing a sheet stack for electromagnetic assemblies, consisting of ferromagnetic material, includes forming the sheet stack from raw magnetic steel sheets in a shaping tool without the use of spacers, if necessary with the help of positioning aids, and simultaneously introducing a hardenable mixture into the shaping tool in order to totally surround the sheet stack and to form an anti-corrosion layer and hardening or hardening out this casting compound according to the pressure-gelating method to connect the sheets together and to form the finished sheet stack in one single working step. An electromagnetic assembly including at least one of the sheet stacks and an additional component is made in the same working step by a method including making the finished sheet stack in accordance with the foregoing pressure-gelating method, connecting the finished sheet stack to the additional component to form the assembly and surrounding the assembly with the mixture in order to form the anti-corrosion layer.

Process for the production of laminated cores

Catalyst mixture for the ring-opening metathesis polymerisation

Curable suspensions of an epoxy resin formulation comprising

Core/shell polymer toughener suspended in epoxy resin

Curable composition comprising a diels-alder-adduct of cyclopentadiene

Curable compositions containing cycloolefin and filler

Thixotropic agent for filled cycloolefins

Fiber-reinforced composites are made from introducing a fabric into the lower part of an open two-part mold, closing the mold and injecting into the mold under pressure and curing a reactive resin mixture comprising

Process for the manufacture of fibre-reinforced composites

A storage-stable suspension of an epoxy resin hardener and a toughener useful as a molding composition is prepared via a) the addition of an organic solvent to an aqueous emulsion of the toughener when using a water-sensitive hardener, such as a polycarboxylic anhydride, removing the water as an azeotrope by vacuum distillation, then adding the epoxy resin hardener and removing the residual solvent by vacuum distillation, or b) the addition of an aqueous emulsion of the toughener with or without an organic solvent to the epoxy resin hardener when using a water-insensitive hardener such as a polyamine, and removing the water and any organic solvent by vacuum distillation.

Preparing suspension of epoxy resin hardener and toughener

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Eschbach, Germany

Frans Setiabudi