3m Innovative Properties Company

Ashish Kumar Khandpur

Mark David Gehlsen

John James Stradinger

Eugene G Joseph

Bradley S Momchilovich

Greggory S Bennett

Jingjing Ma

JingJing Ma

Audrey A Sherman

Albert I Everaerts

Mieczyslaw H Mazurek

Allen Raymond Siedle

Naimul Karim

Jianhui Xia

Walter R Romanko

Kenneth Jason Hanley

Dmitriy Salnikov

Lang N Nguyen

Francois C D'Haese

Steven C Stickels

Randy A Hoff

Patrick J Fischer

Anthony R Clanton

Kenneth C Williams

Kenneth J Hanley

Francois C D'HAESE

A novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive, tape and adhesive backed article made therefrom, such as a polymer foam article having a substantially smooth surface prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.

Adhesive for bonding to low surface energy surfaces

Described are melt-processable block copolymers and compositions, embodiments of which may be useful in applications such as pressure sensitive adhesive (PSA) or heat-activatable adhesive, comprising polymeric end block and polymeric B block, wherein end block comprises copolymer and the B block comprises homopolymer or copolymer.

Block copolymer melt-processable compositions, methods of their preparation, and articles therefrom

Pressure sensitive adhesive compositions and pressure sensitive adhesive articles containing the adhesive compositions are disclosed. The adhesive compositions of the invention generally demonstrate favorable cohesive strength at elevated temperatures. The adhesive compositions contain an acrylic acid ester copolymer having pendant styrenic polymeric moieties mixed with a polyarylene oxide polymer. The adhesive composition may be a foam.

Pressure sensitive adhesive composition

Thermosettable PSA compositions of the invention comprise a major proportion of the adhesive component of at least one acidic polymer and at least one amine-containing compound capable of reacting with acidic functional groups on the acidic polymer to cure the thermosettable PSA composition into a thermoset adhesive. The thermosettable PSA compositions are particularly useful for forming semi-structural or structural bonds. Thermoset adhesives therefrom and methods of forming the thermoset adhesives are also disclosed.

Acidic polymer-based thermosettable PSAs, methods of their use, and thermoset adhesives therefrom

The present invention relates to a blend of at least one amorphous ethylene/propylene-derived copolymer, at least one non-stereoregular propylene-derived polymer having a melt viscosity of greater than about 500 Poise, and an optional tackifier that provide pressure-sensitive adhesive compositions in which a good balance of adequate adhesion to both low and relatively high surface energy substrates can be achieved.

Pressure-sensitive adhesive blends comprising ethylene/propylene-derived polymers and propylene-derived polymers and articles therefrom

The present invention relates to a blend of at least one (meth)acrylate polymer and at least one amorphous propylene-derived polymer, and an optional tackifier that provide pressure sensitive adhesive compositions in which improved peel adhesion to at least one of low and relatively high surface energy substrates can be achieved.

Pressure sensitive adhesive blends comprising (meth)acrylate polymers and articles therefrom

The present invention provides fibers and products produced therefrom, including nonwoven webs and adhesive articles. The fibers, which can be multilayer fibers, include a pressure-sensitive adhesive composition comprising an acrylate copolymer comprising copolymerized monomers comprising at least one monofunctional alkyl (meth)acrylate monomer and at least one monofunctional free-radically copolymerizable reinforcing monomer having a homopolymer glass transition temperature higher than that of the alkyl (meth)acrylate monomer.

Acrylate copolymeric fibers

The present invention provides fibers and products produced therefrom, including nonwoven webs and adhesive articles. The fibers, which can be multilayer fibers, include a polydiorganosiloxane polyurea copolymer.

Fibers of polydiorganosiloxane polyurea copolymers

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Lake Elmo, MN, United States of America

Ashish Kumar Khandpur