Adhesives Research, Inc.

Rohm and Haas Company

Adhesive Research, Inc.

Michael John Zajaczkowski

Barbara A Stutzman

Thomas F Kauffman

Ronald Scott Beckley

Donald J Therriault

David William Whitman

Joseph James Zupancic

Mai Chen

David Elmer Vietti

Robert M Wigdorski

Kevin McKinney

Bernard Gordon, Iii

David A Krupa

Thomas Frederick Kauffman

A curable mixture is provided that is substantially free of volatile nonreactive compounds. Also provided is a method for making such curable mixtures, and a method of bonding substrates with such curable mixtures.

Michael addition compositions

Functional mixtures and polymer compositions are provided, each comprising at least one multi-functional Michael acceptor, at least one multi-functional Michael donor, in which at least 20% of either the donor or acceptor or a combination of the donor and acceptor is derived from bio-based materials and at least one catalyst.

Biomass based Michael addition compositions

A functional composition is provided that comprises at least one multi-functional Michael acceptor, at least one multi-functional Michael donor, and at least one weakly basic catalyst.

A functional mixture is provided that comprises at least one multi-functional Michael acceptor, at least one multi-functional Michael donor, and at least one weakly basic catalyst.

A method for the production of glass or plastic laminates is provided comprising applying between opposing faces of glass or plastic substrates a pressure sensitive adhesive comprised of a curable blend of an epoxy resin and a polymer comprised of the polymerization reaction product of an alkyl (meth)acrylate monomer whose homopolymer has a Tg>20&deg; C., optionally a C (meth)acrylate monomer, a nitrogen-containing polar monomer, and a polymerizable epoxy-containing monomer, with the monomers being present in an amount such that the copolymer has a Tg>50&deg; C., and curing the adhesive.

Method for the production of glass or plastic laminates by use of a curable blend of an epoxy resin and a high Tg polymer

Method for production of acrylate polymer with liquid diluent

A graft copolymer pressure sensitive adhesive is provided comprised of a backbone polymer having a polymeric moiety grafted thereto. The copolymer comprises at least one A monomer consisting of a monomeric (meth)acrylic acid ester of a non-tertiary alcohol, optionally at least one B monomer, optionally at least one polymeric graft moiety C having a T,greater than 20&deg; C., and a macromeric graft moiety D containing repeat hydrophilic units.

Pressure sensitive adhesive containing macromer having repeat hydrophilic moieties

A transdermal drug delivery system is provided which includes an optionally crosslinked macromer-reinforced (meth)acrylic ester base copolymer pressure sensitive adhesive wherein the macromer includes repeat hydrophilic units.

Transdermal pressure sensitive adhesive drug delivery system

A novel high performance pressure sensitive adhesive composition is provided comprised of a phase separated graft copolymer comprised of a polymerized acrylic or methacrylic acid ester backbone having grafted thereon pendant polymeric moieties such as polystyrene or poly-alpha-methylstyrene in an amount of from 1.5 to 2.5 grafts per polymer chain on average.

Method for the production of a high performance pressure sensitive

A pressure sensitive adhesive transdermal hormone delivery system is provided comprised of (1) a macromer reinforced (meth)acrylic ester base copolymer, and (2) a pharmacologically active agent in homogeneous admixture with said macromer-reinforced base copolymer, wherein the macromer contains hydrophilic repeat units

A conductive graft copolymer is provided comprised of a polymerized acrylic or methacrylic acid ester backbone having grafted thereon pendant polymeric sulfur, nitrogen or oxygen-containing heterocyclic moieties. The conductive graft copolymer is particularly useful as a pressure sensitive adhesive.

Conductive heterocyclic graft copolymer

Novel sulfur, oxygen and nitrogen-containing heterocyclic monomers are provided which may be used to produce conductive graft copolymers.

Heterocyclic macromers

An ionically-crosslinked absorbent graft copolymer which exhibits pressure sensitive adhesive properties is provided comprised of a hydrophilic and/or hydrophobic base monomer and a water-soluble or water-dispersible macromer. The ionically-crosslinked absorbent graft copolymer exhibits desirable water absorbency and water vapor transmission rates and may be used in a variety of medical applications such as a wound dressing, medical adhesive, or biomedical electrode.

Ionically-crosslinked water-absorbent graft copolymer

A covalently crosslinked absorbent graft copolymer is provided comprised of a water-soluble base monomer and a water-soluble or water-dispersible macromer. In a preferred embodiment, the water-soluble base monomer comprises a carboxylic hydroxyalkyl ester monomer and the water-soluble macromer comprises an ethoxylated or propoxylated hydroxyalkyl (meth)acrylate. The covalently crosslinked absorbent graft copolymer exhibits desirable water absorbency and water vapor transmission rates and may be used in a variety of medical applications such as a wound dressing, medical adhesive or biomedical electrode.

Covalently crosslinked water-absorbent graft copolymer

A novel high performance pressure sensitive adhesive composition is provided comprised of a phase separated graft copolymer comprised of a polymerized acrylic or methacrylic acid ester backbone having grafted thereon pendant polymeric moieties such as polystyrene or poly-alpha-methylstyrene. The composition is non-corrosive and has a low volatile content.

Growing community of inventors

York, PA, United States of America

Michael John Zajaczkowski