A coated abrasive article comprises a backing, a first binder on the backing, and a plurality of abrasive particles in the first binder. The first binder precursor is an energy-curable preferably, melt-processable resin containing an epoxy resin, an ethylene-vinyl acetate copolymer, and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The above binder precursors of the invention are preferably free of homopolymers and copolymers of olefinic monomers. In another aspect, the invention also describes an energy curable first binder precursor containing an epoxy resin, an ethylene-vinyl acetate copolymer, a polyfunctional acrylate component and a curing agent for crosslinking the epoxy resin that is cured to provide a crosslinked make coating. The invention also relates to a method of producing such coated abrasive articles and a surface-treated backing material.

Coated abrasive article

The invention provides a method for imparting topographical or protective features to a substrate by contacting a sheet material comprising a thermosettable layer with a substrate and heating the sheet material to an elevated temperature.

Melt-flowable materials and method of sealing surfaces

An activatable material and articles incorporating the same is disclosed. The activatable material includes at least three of an epoxy resin; a thermoplastic polyether; a blowing agent; a curing agent; and a filler. The activatable material is preferably used for sealing, baffling or reinforcing an article of manufacture such as an automotive vehicle (26).

Activatable material for sealing, baffling or reinforcing and method of forming same

An automotive vehicle sound absorption system. An expandable material, such as an polymer-based foam, is disposed on a surface of a wall. Upon activation, the foam transforms, preferably during an automobile assembly operation, and remains bonded to surface for sound absorption.

Sound absorption system for automotive vehicles

A method for sealing a discontinuity in the surface of a substrate comprises the steps of: (a) placing over said discontinuity an article comprising (i) a melt-flowable composition characterized by a first width, and (ii) a shaped, polymeric cap having a pre-selected, cross-sectional profile characterized by a second width and a shape in which the thickness of the cap across its width, the width of the cap or both the width and thickness of the cap vary; (b) heating said article to cause said melt-flowable composition to flow and seal said discontinuity; said cap controlling the melt-flow behavior of said melt-flowable composition to substantially confine said melt-flowable composition to the area underneath said cap; and (c) allowing said article to cool while substantially retaining said pre-selected cross-sectional profile of said cap. Various articles for use in the method are also disclosed. The article and the method are particularly useful for sealing the joint in a motor vehicle roof ditch.

Sealing method and article

A curable composition formed by mixing components comprising 10 to 70 weight percent of a curable epoxy resin; an effective amount of a curative for the epoxy resin; 10 to 85 weight percent of a thermoplastic ethylene-vinyl acetate copolymer; and 5 to 60 weight percent of a thermoplastic polyester resin, the parts by weight being based on the total weight of the resin in the composition.

Energy cured sealant composition

A sheet material comprising (i) a pressure-sensitive adhesive film comprising an acrylic pressure-sensitive adhesive polymer, and (ii) a release film comprising a polyolefin polymer having a density of no greater than 0.90 g/cc, the pressure-sensitive adhesive film being in contact with the polyolefin polymer.

Novel sheet material

A latent, thermosettable, melt-flowable sheet material comprising at least two layers, one of which is expandable and flowable, and the other of which flows to encapsulate the expandable layer between it and a substrate to which the sheet material has been adhered. A latent, thermosettable, melt-flowable sheet material which can be cured to provide a weatherable layer is also disclosed. Still further, a method for imparting topographical or protective features to a substrate such as a metal joint of an automobile body is disclosed.

Expandable multilayer material

A latent, thermosettable, melt-flowable sheet material comprising at least two layers, one of which is expandable and flowable, and the other of which flows to encapsulate the expandable layer between it and a substrate to which the sheet material has been adhered. A latent, thermosettable, melt-flowable sheet material which can be cured to provide a weatherable layer is also disclosed. Still further, a method for imparting topographical or protective features to a substrate such a metal joint of an automobile body is disclosed.

Topographical sheet material and method

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