Henkel Ag & Company, Kgaa

Henkel Kommanditgesellschaft Auf Aktien

Loctite (r&d) Limited

Henkel IP Holding Gmbh

Henkel US IP Lcc

Henkel Corporation

Henkel Kommanditgesellschaft Auf Aktien (henkel Kgaa)

Loctite Corporation

Rainer Schoenfeld

Stefan Kreiling

Andreas Taden

Thomas Bachon

Pablo Walter

Emilie Barriau

Barry N Burns

Jonathan P Wigham

Christian Holtgrewe

Martin J Fitzpatrick

Harald Kuester

Mustapha Benomar

Ciaran B McArdle

Olaf Lammerschop

Stanley Leroy Lehmann

Mark Loane

Martin Renkel

Timothy P Walsh

Hubert K Schenkel

Haiping Wu

Jingfen Zhang

Ray P Tully

Angelika Troll

Takeshi Endo

Thomas Huver

Josef Penninger

Thomas Eiting

Rajat K Agarwal

Rainer Kohlstrung

Atsushi Sudo

Nigel Fay

Klaus Rappmann

Paula Barreleiro

Wolfgang Denuell

Jeng-Li Liang

Gregory A Ferguson

Martin Hornung

Lothar Unger

James F Hubert

Matthew James Holloway

Sascha Poeller

Michael Kux

David Sturgill

Claudia Mai

Tim Welters

Frank Dittrich

Gerald Schreiber

Harald Küster

Sven Wucherpfennig

Mary B Ward

Corina Bisog

Baris Kiskan

Yusuf Yagci

Stefan Kreilling

Hiroshi Yamashita

Rajat K Agarawal

Stefen Kreiling

Stefan Keriling

Ursula Tenhaef

Constance Prost-Boucle

Aydogan Binnur

Manfred Doering

Felix Rustemeyer

Kazuhiko Sato

Murteza Erman

Matthew J Holloway

Rajat Agarwal

A thermally expandable composition that comprises at least one organic compound having at least one cyclic carbonate group as a blowing agent, at least one catalyst for the blowing agent, at least one reactive binder and at least one hardener and/or accelerator. Also provided are molded bodies containing the composition, and a method for sealing and filling hollow spaces in components, in order to strengthen or stiffen components, in particular hollow components, and for adhering movable components through use of molded bodies of this type, as well as to the use of corresponding cyclic organic carbonates as a blowing agent in thermally expandable compositions.

Organic carbonate as blowing agent

The present invention relates to a catalyst composition for curing resins containing epoxy groups, in particular epoxy/polyurethane hybrid resins, the catalyst composition containing an imidazolium salt, in addition to a base, as well as a method for curing such resins in the presence of the catalyst composition, to the use of the catalyst composition for curing resins containing epoxy groups, to resin systems comprising a resin containing epoxy groups and the catalyst composition, and to a dosing system that comprises the resin and the catalyst composition.

Catalyst composition for curing resins containing epoxy groups

The present invention relates to adhesive compositions containing a prepolymer which can be obtained by reacting a reaction mixture containing: at least one epoxy resin; at least one polyetherdiamine or polyethertriamine; at least one carboxyl-terminated butadiene-acrylonitrile copolymer (CTBN); and rubber particles having a core/shell structure. The invention also relates to methods for curing said compositions, to the cured adhesive compositions thus obtained, to the use thereof for bonding components and to the components thus obtained.

Epoxy resin composition

The present invention relates to a catalyst composition for curing epoxy group containing compounds comprising a base and a quaternary ammonium salt, of Formula (I): with R, R, R, R, R, Y, A and X being as defined herein. Also encompassed are adhesive compositions containing said catalyst composition and the use of the catalyst composition.

Storage stable heat activated quaternary ammonium catalysts for epoxy cure

The present invention provides a two-part mechano-responsive composition, comprising: Part I: a tetra-glycidyl amine multifunctional epoxy resin represented by the general formula (I); and Part II: a polythiol and an amine. The cured composition has a mechano-responsive property without adding any dyes or luminescence agents, and by subjected to mechanical stimuli, the cured composition changes its color, and the color is in the visible spectrum range, which can be easily checked with naked eyes; and the color change is reversible.

Mechano-responsive composition

The present application provides agents for producing an impact-modified epoxy adhesive encompassing at least two components A and B packaged separately from each other, wherein (a) component A contains at least one compound having two or more isocyanate groups together with one or more further additives, (b) component B contains at least one compound which has at least two reactive groups selected from hydroxyl groups, thiol groups, primary amino groups and secondary amino groups and is simultaneously free from epoxy groups, together with one or more further additives, (c) at least one of components A and/or B contains at least one epoxide prepolymer as an additive, (d) at least one of components A and/or B contains at least one latent hardener for epoxide prepolymers as an additive, and (e) components A and B contain no blowing agent that is capable of being heat activated.

Impact-modified adhesives

The subject matter of the present application is a thermally expandable preparation that can be pumped at application temperatures below 70&#xb0; C., containing (a) at least one first epoxy resin E1 that has an epoxy equivalent weight of at most 280 g/eq and a viscosity of at most 1250 Pa*s at 25&#xb0; C., (b) at least one second epoxy resin E2 that has an epoxy equivalent weight of at least 300 g/eq and a viscosity of at most 250 Pa*s at 25&#xb0; C., (c) at least one hardener that can be thermally activated, (d) at least one propellant that can be thermally activated, and (e) at least 1 wt. % of organic fibres having a fibre length of 0.2 mm to 10 mm.

Thermally expandable preparations

The present invention relates to flame-retardant polymerizable compositions comprising at least one benzoxazine compound and particular phosphorus-containing polymers. The present invention further provides adhesives, sealants or coating materials comprising the polymerizable composition according to the invention, and polymerization products of said composition.

Flame-retardant benzoxazine-containing composition

The present invention provides a gel time controllable epoxy adhesive, which includes a first part comprising an epoxy resin containing two or more epoxy groups in one molecule, and a second part comprising a thiol curing agent, wherein a peroxide is comprised in part A, part B and/or a third separate part C.

Gel time controllable two part epoxy adhesive

The present invention relates to a polymerizable composition, containing at least one benzoxazine compound and certain oligomeric or polymeric urethane group-free polyether compounds. The present invention further relates to adhesives, sealants or coatings comprising the polymerizable composition according to the invention and the polymerization products of said composition.

Impact resistant modified compositions

The invention relates to a curable composition comprising: at least one benzoxazine and at least one toughening additive which can be bound to the at least one benzoxazine in the curing process, characterized in that the toughening additive is distributed in the cured composition in form of discrete domains, and that at least 50% of the discrete domains related to the total amount of discrete domains have a maximum length in any direction of space in the range of 10 nm to 500 nm as determined by transmission electron microscopy (TEM).

Curable benzoxazine-based compositions, their preparation and cured products thereof

The present invention relates to heat-curable compositions containing a mixture of reactive epoxy resins that contains, based on the mass of all epoxy resins, a) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with polypropylene glycol which has an epoxy equivalent weight of at least 250 g/eq, and b) at least 10 wt % of an epoxy group-containing reaction product of epichlorohydrin with a novolac resin which has an epoxy equivalent weight of at least 175 g/eq, and at least one latent hardener.

One component epoxy resin composition

The present invention relates to a curable composition, comprising at least one benzoxazine compound, and at least one sulfonic acid ester having a cyclic structure. In particular, the invention relates to the use of at least one sulfonic acid having a cyclic structure as a heat-activatable catalyst for curable composition, comprising at least one benzoxazine compound.

Curable compositions

The present invention relates to a polymerizable composition comprising at least one polymerizable benzoxazine compound and core-shell particles, where the core of the core-shell particles comprises at least one (co)polymer of at least one ethylenically unsaturated monomer (A) and the shell of the core-shell particles comprises at least one crosslinked (co)polymer of at least one ethylenically unsaturated monomer (B), where the ethylenically unsaturated monomer (B) encompasses at least one aromatic group. The present invention further relates to adhesives, sealants or coatings, which encompass the polymerizable composition of the invention, and also to the polymerization products of this composition. The present invention further relates to a process for the production of the polymerizable composition of the invention.

Polymerizable composition

This invention relates to compositions useful as adhesives and more particularly to the preparation of epoxy-based adhesive composition with improved impact resistance and good adhesion to oily metal substrates.

Curable epoxy resin-based adhesive compositions

Growing community of inventors

Duesseldorf, Germany

Rainer Schoenfeld