3m Innovative Properties Company

Other

Siegfried Rainer Goeb

Andreas H Graichen

Anja Christina Rohmann

Kerstin Unverhau

Pierre Reinhard Bieber

Frank Kuester

Silke D Mechernich

Elmar Paul Johannes Klameth

Babu Nana Gaddam

Rudolf J Dams

Hae-Seung Harry Lee

Peter Bissinger

Suresh Iyer

Mark F Ellis

Joon Chatterjee

Christopher J Campbell

Wolf Steiger

Jan D Forster

Bruno Mueller

Robert R Condon

Petra M Stegmaier

Steffen Traser

Dirk Hasenberg

Jan Heimink

Rudy W Van Campenhout

Doreen Eckhardt

Jan U Wieneke

Ruchi Pandey

Mareike Richter

Claudia Torre

Matthias Conradi

Regina Sikora

Niklas M Matzeit

Eike KLÜNKER

Christoph Schuell

Janina Overbeck

Petra Maria Stegmaier

The present disclosure relates to a pressure sensitive adhesive assembly comprising at least a first pressure sensitive adhesive layer comprising a hollow non-porous particulate filler material, wherein the surface of the hollow non-porous particulate filler material is provided with a hydrophobic surface modification. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive assembly.

Pressure sensitive adhesive assembly comprising filler material

The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising: The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.

Post-curable pressure-sensitive adhesive

The present disclosure relates to a process for the manufacturing of a compound comprising a (meth)acryloyl group, wherein the process comprises the steps of: a) providing a multi-screw extruder comprising a reaction chamber; b) providing reactants and reagents comprising: i. an alcohol or a primary or secondary amine; ii. a base; and iii. a (meth)acryloyl halide or a 3-halopropionyl halide; and c) incorporating the reactants and reagents into the reaction chamber of the multi-screw extruder, thereby forming a reaction product stream comprising the compound comprising a (meth)acryloyl group.

Process for the manufacturing of a compound comprising a (meth)acryloyl group

The present disclosure relates to a pressure sensitive adhesive foam comprising a rubber-based elastomeric material, at least one hydrocarbon tackifier and a crosslinking additive selected from the group of multifunctional (meth)acrylate compounds. The present disclosure also relates to a method of manufacturing such a pressure sensitive adhesive foam and uses thereof.

Rubber-based pressure sensitive adhesive foam

Adhesive composition are described comprising the reaction product of at least one halogenated copolymer of isobutylene wherein halogen atoms of the copolymer are replaced by a polyamine having a melting point greater than 25&#xb0; C., thereby crosslinking the copolymer. The isobutylene copolymer comprises halogenated repeat units derived from isoprene, butadiene, para-alkyl styrene, or a combination thereof. The adhesive composition comprises a copolymer of isobutylene repeat units and second repeat units selected from alkene repeat units, para-methyl styrene repeat units, or a combination thereof wherein at least a portion of the second repeat units are directly bonded to one another with a polyamine crosslinker having a melting point greater than 25&#xb0; C. Also described are adhesive articles, such as tapes, comprising such adhesives.

Adhesives comprising reaction product of halogenated poly(isobutylene) copolymers and polyamines

A multilayer pressure sensitive adhesive (PSA) film having a first pressure sensitive adhesive layer for bonding glass substrates and at least a second opposing layer, the first pressure sensitive adhesive layer being a polymerization reaction product of a precursor comprising a monomer or a partially prepolymerized monomer, having a curable ethylenically unsaturated group, whereas the precursor further comprises an oligomeric organofunctional silicone having at least 2 Si atoms, in particular 2 to 10 Si atoms,

Primerless multilayer adhesive film for bonding glass substrates

The invention provides an assembly comprising at least one substrate being bonded to a structural adhesive wherein the structural adhesive is obtained by curing a precursor comprising a cross-linkable polymer, wherein a surface area of the substrate bonded to the structural adhesive comprises at least one metal, said surface area being treated with a liquid activator.

Assembly bonded to a structural adhesive and method and applicator for making it

The present invention relates to a method of preparing a pressure-sensitive adhesive comprising the steps of:

Method for preparing a pressure-sensitive adhesive

The present invention relates to a free-radically radiation-curable, solvent-free and printable precursor of a pressure-sensitive adhesive, the precursor comprising: (i) 30-75 wt. % of one or more mono(meth)acrylate functional oligomer compounds at least one of said oligomer compounds comprising at least one urethane bond, (ii) 0-15 wt % of one or more poly(meth)acrylate functional oligomer compounds, (iii) 5-45 wt. % of one or more monomer compounds comprising one ethylenically unsaturated group, (iv) 0-5 wt. % of one or more monomer compounds comprising two or more ethylenically unsaturated groups, and (v) an effective amount of one or more free radical photoinitiators, wherein the percentages which are percentages by weight with respect to the mass of the precursor, are selected so that the precursor has a dynamic viscosity at 20&#xb0; C. and at a shear rate of 100 sof between 300 to 15,000 mPa&#xb7;s.

Free-radically radiation-curable, solvent-free and printable precursor of a pressure-sensitive adhesive

A pavement marking composition comprises (a) a polyfunctional ethylenically unsaturated polymer selected from the group consisting of polyfunctional ethylenically unsaturated polyurethanes, polyureas, polythiocarbamates, polythiocarbamateurethanes, polythiocarbamateureas, and polyurethaneureas comprising at least one chain extender-derived segment and at least one polycarbonate, polyether, or polyester segment; and (b) at least one ethylenically unsaturated monomer. The composition can be easily applied, cures in a reasonable amount of time at any of a wide range of commonly-encountered temperatures, and provides pavement markings that exhibit both improved cold impact resistance and improved wear resistance.

Pavement marking composition

The present invention is an outdoor advertising or display system including a multi-layer graphic article intended for application to an outdoor surface such as concrete, asphalt and the like. The advertising system includes an imageable base layer and an image-protective surface layer that can be laminated to the base layer following imaging of the base layer. The image-protective surface layer is frictionally modified to provide an anti-skid layer for surface traffic.

Outdoor advertising system

A process for crosslinking a melt-processed polymer composition comprises the steps of (a) forming a polymerizable mixture comprising (i) at least one monoethylenically-unsaturated monomer or prepolymer and (ii) at least one monoethylenically-unsaturated, blocked mono- or polyisocyanate that is thermally stable at a selected melt processing temperature range and that is thermally deblockable at and above a deblocking temperature that is higher than the selected melt processing temperature range; (b) exposing the polymerizable mixture to transmissive energy to polymerize the mixture to form a polymer composition comprising polymerized units derived from the blocked mono- or polyisocyanate; (c) melt processing the polymer composition at the selected melt processing temperature range to form a melt-processed polymer composition; and (d) during melt processing or thereafter, increasing the temperature of the melt-processed polymer composition to the deblocking temperatures in the presence of at least one isocyanate-reactive crosslinking agent, to effect crosslinking of the melt-processed polymer composition.

Crosslinking process

Polyfunctional ethylenically unsaturated polyureas, polythiocarbamateureas, and polyurethaneureas comprise (a) at least one segment derived from an aspartic ester polyamine; and (b) at least one polycarbonate, polyether, or polyester segment. The polyfunctional polymers are useful in preparing curable coatings, films, and articles.

Polyfunctional polymer

Growing community of inventors

Willich, Germany

Siegfried Rainer Goeb