Loctite (r&d) Limited

Henkel Ag & Company, Kgaa

Henkel IP Holding Gmbh

Loctite (Ireland) Limited

Henkel Corporation

Henkel Ireland Limited

Loctite Corporation

Nolan, Darren

Brendan J Kneafsey

Darren Nolan

Nigel Fay

Nigel Sweeney

James Houlihan

John Guthrie

Eimear Fleming

Michael Doherty

Gerry Coughlan

Deirdre Ledwith

David P Birkett

David P Melody

Mark Loane

Rainer Wefringhaus

Brian Deegan

Edward P Scott

Susan Warren

John M Rooney

Eerik Maandi

Rory B Barnes

David Mullen

Patrick F McDonnell

David Condron

Ruairi O'Kane

Stephen Fearon

Laura Vaissaud

Niamh Bergin

John Gregory Woods

Ralph Nemitz

Mark M Konarski

Stephen J Harris

Andreas Taden

David P Dworak

Horst Beck

Rachel Hersee

Hanns Misiak

Susanne D Morrill

Adrian Brandt

Bernhard Schoettmer

Alexander Kux

Robert J Lambert

Lawrence N Crane

Peter Wrobel

Bernd Beuer

Martin J Fitzpatrick

Afranio Torres-Filho

Ruth A Kelly

Harry J Woolfson

Aimee Hynes

Hanns R Misiak

Gavin Haberlin

Jianzhao Wang

Wolfgang Weimar

Fergal W Tierney

Rory R Barnes

Frances Murphy

David Birkett

Conor F MacAogain

Marc Hamm

Thomas B Harty

Jim Houlihan

Eimear Finnigan

Z Andrew Szczepaniak

Gerard Coughlan

Kieran Mulcahy

John Walsh

Lynne Sheerin

Patrick O'Dwyer

Vincent O'BRIEN

Bernhard SCHÖTTMER

Eimear M Fleming

Rainer K Wefringhaus

Patrick F Mcdonnell

The present invention relates to anaerobically curable compositions made from renewable materials. In particular, an alpha-methylene-lactone is used with a (meth)acrylate component and a cure system to form an anaerobically curable composition.

Anaerobically curable compositions containing alpha-methylene-lactones

A curative free sealant composition for sealing joints between male and female parts, the sealant composition comprising a solid resin component, a solid (meth)acrylate polyurethane component, and an ethoxylated bisphenol-A (meth)acrylate component.

Curative free joint sealant

A sealant material for sealing joints between male and female mating parts comprising:

Sealant material

Disclosed herein are anaerobically curable compositions comprising one or more polymerizable (meth)acrylate ester monomers, a redox-active metal catalyst, saccharin or a saccharin derivative, a peroxide, and a benzoyl functionalized compound, wherein the composition does not gel after about 24 hours of storage at room temperature and methods of adhering two substrates using the anaerobically curable compositions.

One-part anaerobically curable compositions

An anaerobically curable composition comprising (i) a curing system for curing an anaerobically curable component, comprising a combination of a metallocene such as n-butyl ferrocene and acetyl phenyl hydrazine, (ii) the anaerobically curable component comprising: a) a solid resin component and b) a solid anaerobically curable monomer; and wherein the composition is in solid form and has a melting point in the range from 30° C. to 100° C. The metallocene may be present in the amount from about 0.05% to about 2.5% by weight based on the total weight of the composition and the acetyl phenyl hydrazine is present in the amount from about 0.05% to about 1.75% by weight based on the total weight of the composition. Compositions show greater bond strengths.

Anaerobically curable compositions comprising a metallacene and acetyl phenyl hydrazine curing system

A method of activating a surface of a plastics substrate formed from: for subsequent bonding, the method comprising the step of exposing the surface to actinic radiation wherein the actinic radiation: includes radiation with wavelength in the range from about 10 nm to about 1000 nm; the energy of the actinic radiation to which the surface is exposed is in the range from about 0.5 J/cmto about 300 J/cm. Hard to bond substrates are then more easily subsequently bonded for example using acrylic, epoxy or anaerobic adhesive.

Activating surfaces for subsequent bonding

A redox curable composition, methods for manufacturing same and uses thereof are disclosed. The redox curable composition is useful as a pre-applied adhesive. The redox curable composition is solid at room temperature, may be heated for application to a substrate, and cools to form a dry-to-touch adhesive layer on said substrate, which may be activated when required by mating with another substrate and exposure to an anaerobic environment. The composition is particularly suited to manufacturing complex products, such as mobile phones, computers and circuits.

Redox curable compositions and methods of manufacture thereof

A curable primer composition comprising:(a) a curable component such as methacrylate; (b) a cure initiating component; and (c) a polymer material selected from the group consisting of: (i) block polymers represented by S-A-S where S is polystyrene and A stands for a polymer or copolymer formed from one or more of ethylene, propylene, butylene, and styrene, which are optionally substituted with carboxylic acid or maleic anhydride; provided that when A comprises styrene then A is a copolymer of styrene with at least one of ethylene, propylene and butylene, and is optionally substituted with carboxylic acid or maleic anhydride; and (ii) polystyrene-poly(ethylene-propylene) ('SEP'); and (iii) any combination of said polymer materials. The composition is applied to a part then photocured. It is dry to touch. Thereafter a thermoplastic material such as a polyolefin is overmolded (e.g. injection molded) over the applied composition. It enhances bond strength of the polyolefin to the part.

Primer compositions for injection molding

Anaerobically curable (meth)acrylate compositions, methods for their preparation, and uses thereof. The anaerobically curable compositions proved effective at bonding a wide variety of substrates, and the tensile strength performance of said compositions is excellent.

Anaerobically curable (meth)acrylate compositions

An anaerobically curable composition comprising an anaerobically curable component that is a combination of a solid resin component and a solid anaerobically curable monomer. A curing component for curing the anaerobically curable component is included. The composition is solid and has a melting point in the range from 30&#xb0; C. to 100&#xb0; C. The composition is dry to touch and can be used to form articles of manufacture such as a tape, an elongate filament, a gasket, a patch.

Anaerobically curable compositions

A bonding system for bonding a plastic substrate to another substrate, the bonding system comprising a plastic substrate wherein the plastic substrate is impregnated with a transition metal; and an anaerobically curable composition. Cure of the anaerobically curable composition is initiatable by the transition metal when the anaerobically curable composition is contacted with the plastic substrate under anaerobic conditions.

Cure of anaerobic compositions

The present invention relates to novolac vinyl esters useful as thermal resistance conferring components for anaerobic curable compositions, and anaerobic curable compositions having such novolac vinyl esters. The compositions are particularly useful as adhesives and sealants.

Anaerobic curable compositions having novolac vinyl esters

There is provided a curable composition comprising one or more reactive components that cure upon exposure to suitable conditions, the curable composition comprising:

Bonding compositions

A process for the adhesive bonding of plastic pipes with and without a fitting by use of a (meth)acrylate adhesive and also corresponding pipe connections, are described.

Process for the adhesive bonding of plastics pipes by means of (meth)acrylate adhesive

Growing community of inventors

Lucan, Ireland

Brendan J Kneafsey