Minnesota Mining and Manufacturing Company

3m Innovative Properties Company

Ashland Oil, Inc.

Janis Robins

Kent S Tarbutton

Michael A Kropp

Peggy S Willett

John C Tangen

Charles D Wright

Chung I Young

Harold E Rude

Roger W Leinen

Wayne A Pletcher

J Lamar Zollinger

Virginia C Markevka

James E Kropp

Gerald E Korbel

Jerome A Pieterick

John M Baldwin

A method of assembling a structure comprises applying an epoxy composition to at least one of a first member and a second member, sandwiching the epoxy composition between the first and second members, and bonding the two members wherein the adhesive bond is a thermally cured mass. The epoxy composition contains an epoxy resin, a phenolic or amine compound as a chain extender, a basic catalyst and a polymeric toughener. The composition can be formulated in two parts wherein part A contains the catalyst and part B has the epoxy resin.

Bonding members with epoxy composition containing chain extender, toughener and catalyst

A two-part composition useful as an adhesive comprises an epoxy resin, a chain extender selected from an amine or a phenolic compound, a base catalyst and a polymeric toughener wherein Part A contains the catalyst and Part B with the epoxy resin.

Composition of epoxy resin, chain extender and polymeric toughener with separate base catalyst

A curable, structural epoxy adhesive composition comprising two parts is provided. The first part comprises an amine curing agent and a catalyst; the second part comprises an epoxy resin having an average epoxide functionality of greater than one.

Epoxy adhesive composition comprising a calcium salt and mannich base

Polymerizable compositions having at least one cationically polymerizable monomer; an optional free radically polymerizable monomer; an energy-polymerizable catalyst system wherein the catalyst system comprises an organometallic complex salt; a thermally decomposable ester reaction product of a tertiary alkyl alcohol and an acid that forms a chelation complex with the metal ion of the organometallic complex salt; optionally, a peroxide. The polymerized compositions are useful as cured adhesive films, pressure sensitive adhesives, protective coatings, liquid adhesives, structural and semi-structural adhesives, and free standing films.

Energy-polymerizable adhesive, coating, and film

Energy-polymerizable adhesive, coating and film

A two-part, thermally curable epoxy composition comprising an epoxy resin; a curing agent prepared from a substituted pentafluoroantimonic acid and a substituted benzene having an amino substituent and an electron-withdrawing substituent on the benzene ring; a polyol; and a toughening agent. The compositions exhibit desirable green strength and pot life.

Substituted pentafluoroantmonic acid-substituted aniline epoxy curing

Energy-polymerization adhesive, coating, film and process for making the

Storage-stable, thermally-curable, one-part epoxy resin compositions comprising a curable epoxide resin; a curative amount of an aliphatic or non-aromatic cyclic polyol having about 2 to 18 carbon atoms, at least two hydroxy groups of said polyol being primary or secondary, and said polyol being free of strong acid groups, and free of electron-withdrawing substituents and large groups which cause steric hindrance in the .alpha.-position in relation to the carbon atoms attached to the methylol groups of the polyol; and a catalytic amount of an imidazole compound.

Epoxy resin composition

Disclosed is a thermally-curable, one-part epoxy adhesive composition comprising: (1) a glycidyl ether epoxide having a048477475 n epoxy functionality grater than one and a molecular weight between about 150 and 10,000; (2) a catalyst comprising (i) an acid of the formula H.sup.+ SbF.sub.5 X.sup.- wherein X is halogen, hydroxy, or --OR where --OR is the residue of an aliphatic or aromatic alcohol having a molecular weight less than about 10,000 and (ii) N,N-diethyl-o-toluidine; (3) an aliphatic or non-aromatic cyclic polyol having about 2 to 18 carbon atoms, at least two hydroxy groups of which are primary or secondary, and being free of electron-withdrawing substituents, amine substituents, or large substituents that cause steric hindrance in the .alpha.-position in relation to the carbon attached to the methylol group of the polyol; and (4) a toughening agent that does not react with the epoxide during curing and has an epoxide compatible component and an epoxide incompatible component.

Acid catalyzed, toughened epoxy adhesives

Storage-stable, thermally-curable, one-part epoxy resin compositions comprising a curable opoxide resin; a curative amount of an aliphatic or non-aromatic cyclic polyol having about 2 to 18 carbon atoms, at least two hydroxy groups of said polyol being primary or secondary, and said polyol being free of strong acid groups, and free of electron-withdrawing substituents and large groups which cause steric hindrance in the .alpha.-position in relation to the carbon atoms attached to the methylol groups of the polyol; and a catalytic amount of an imidazole compound.

A method for adhering surfaces together using fast curing epoxy resin compositions is provided. The method includes the steps of mixing together (a) a curable glycidyl ether epoxide group-containing compound, (b) an amino-terminated aliphatic polyether curing agent, (c) a polymeric toughening agent having both a rubbery phase and a thermoplastic phase or being capable of forming, with the epoxide group-containing material, both a rubbery phase and a thermoset phase on curing, and (d) a metal salt catalyst capble of providing an exotherm of at least 20.degree. C.; applying the resulting mixture to a portion of at least one surface; contacting the surface having the mixture applied thereto to a second surface in bonding relationship with the mixture disposed between the surfaces; and curing the mixture.

Method for adhering surfaces using fast curing epoxy resin compositions

An epoxy resin composition is provided. This composition contains (a) a curable glycidyl ether epoxide group-containing material, (b) an amino- terminated aliphatic polyether curing agent, (c) a polymeric toughening agent having both a rubbery phase and a thermoplastic phase or being capable of forming, with the epoxide group-containing material, both a rubbery phase and a thermoset phase on curing, and (d) a metal salt catalyst capable of providing an exotherm of at least 20.degree. C.

Fast curing epoxy resin compositions

The use of an aromatic amine salt of a substituted pentafluoroantimonic acid as a curing agent for epoxy resins, and the use of the epoxy resin compositions as binders for abrasives in abrasive sheet products, are disclosed. The aromatic amines are selected from aniline and hindered aromatic amines.

Coated abrasive containing epoxy binder and method of producing the same

An epoxy resin latently curable composition including a novel curing agent comprising the liquid salt of a substituted pentafluoroantimonic acid and an aromatic amine selected from the group consisting of aniline and a hindered amine has a desirably long pot life yet cures rapidly with heating to a cured composition.

Epoxy resin curing agent, process and composition

An adhesive composition comprising an adhesive base and accelerator portion, the adhesive base comprising (a) a polymerizable monomer selected from the group consisting of unsubstituted alpha-cyanoacrylates and substituted alpha-cyanoacrylates; and (b) an effective amount of stabilizer; and the accelerator portion comprising a weakly acidic or weakly basic ionic accelerator compound comprising a cation M and an anion A, the pKa relating to cation M in the equilibrium defined by

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Saint Paul, MN, United States of America

Janis Robins