3m Innovative Properties Company

Karan Jindal

Naiyong Jing

Terry Lee Smith

Justin A Riddle

Paul B Armstrong

William R Dudley

Garry W Lachmansingh

William Blake Kolb

Timothy J Hebrink

Jason T Petrin

Scott R Culler

Encai Hao

Samuel J Carpenter

Negus B Adefris

Aaron K Nienaber

Jun-Ying Zhang

Steven J Keipert

John T Boden

Vivian Wynne Jones

Peter T Benson

Bradford B Wright

Richard S Buckanin

Jitendra Singh Rathore

Qingbing Wang

Katherine A Brown

Pratik Pranay

David L Morrison

Ambuj Sharma

David K Sayler

A coated abrasive article maker apparatus is disclosed comprising a first web path comprising a production tool and a second web path configured for a resin coated backing. The second web path is configured to guide the resin coated backing through the coated abrasive article maker apparatus with the resin layer positioned facing the dispensing surface. An abrasive particle feeder is positioned along the first web path and is configured to dispense abrasive particles onto the dispensing surface such that abrasive particles are removably disposed within cavities of the production tool. Abrasive particles are transferred from the plurality of cavities to the resin layer of the resin coated backing when the production tool is positioned adjacent the resin coated backing.

Coated abrasive article maker apparatus

A coated abrasive article maker apparatus including a first web path guiding a production tool such that it wraps a portion of the outer circumference of an abrasive particle transfer roll; a second web path for a resin coated backing guiding the resin coated backing such that it wraps a portion of the outer circumference of the abrasive particle transfer roll with the resin layer positioned facing the dispensing surface of the production tool this is positioned between the resin coated backing and the outer circumference of the abrasive particle transfer roll; and wherein abrasive particles are transferred from cavities in the production tool to the resin coated backing as the resin coated backing and the production tool traverse around the abrasive particle transfer roll.

Articles having poly(vinyl alcohol) (PVA) and silica nanoparticle multilayer coatings are provided. More specifically, the articles include a substrate and a multilayer coating attached to the substrate. The multilayer coating includes a silica layer that is the outermost layer, the silica layer containing acid-sintered interconnected silica nanoparticles arranged to form a continuous three-dimensional porous network. The multilayer coating also includes a PVA layer disposed between a surface of the substrate and the outermost silica layer. The PVA and silica nanoparticle coatings can be used on a large variety of substrates and tend to be resistant to impacts, scratches, wet abrasions, soil and fog.

Poly(vinyl alcohol) and silica nanoparticle multilayer coatings and methods

Articles having crosslinked poly(vinyl alcohol) (PVA) and silica nanoparticle multilayer coatings are provided. More specifically, articles including a substrate, and a multilayer coating attached to the substrate are provided. The multilayer coating includes a first crosslinked poly(vinyl alcohol) (PVA) layer and a first silica layer. The first crosslinked PVA layer is an outermost layer of the multilayer coating. The first silica layer comprises a plurality of acid-sintered interconnected silica nanoparticles arranged to form a continuous three-dimensional porous network. The PVA and silica nanoparticle multilayer coatings can be used on a large variety of substrates and tend to be resistant to wet and dry abrasions, scratches, and impacts.

Crosslinked poly(vinyl alcohol) and silica nanoparticle multilayer coatings and methods

Articles having poly(vinyl alcohol)-containing (PVA-containing) and silica nanoparticle multilayer coatings are provided. More specifically, articles include a substrate and a multilayer coating attached to the substrate. The multilayer coating includes a first silica layer and a first PVA-containing layer. The first silica layer is a primer layer of the multilayer coating, and the silica layer comprises a plurality of acid-sintered interconnected silica nanoparticles arranged to form a continuous three-dimensional porous network. The PVA-containing and silica nanoparticle multilayer coatings can be used on a large variety of substrates and tend to be resistant to wet and dry abrasions, scratches, and impacts.

Poly(vinyl alcohol)-containing and silica nanoparticle multilayer coatings and methods

Described herein is a method of making silsesquioxane-like particles using polyhydrosiloxanes and a water soluble base. The silsesquioxane-like particles have an average particle diameter of less than 100 micrometers and are substantially free of &#x2014;OH bonds. In one embodiment, the silsesquioxane-like particles may be used in films.

Silsesquioxane-like particles

An adhesive article including a pressure sensitive adhesive layer and a release layer in contact with the pressure sensitive adhesive layer. The release layer includes a polymer matrix that includes polymerized (meth)acrylated silicone and a plurality of nanovoids.

Adhesive article with release layer including polymerized (meth)acrylated silicone

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Woodbury, MN, United States of America

Karan Jindal