Abstract: The disclosure is directed to methods, systems, and apparatus for obtaining flame-perforated films which reduce or eliminate skewing of perforations in such films caused by thermal creep, whereby the film has perforations arranged to provide controlled tear characteristics, especially in both the lengthwise or machine direction (MD), and the crosswise or transverse direction (TD).

Abstract: The disclosure relates to layers comprising a body having a thickness, T, comprising a curable composition comprising a polymerizable epoxy-acrylate resin composition and abrasive particles at least partially embedded in the polymerizable epoxy-acrylate resin composition, wherein the body includes a plurality of void spaces free of the curable composition extending into the body from the first major surface and the depth of the plurality of void spaces is at least 10 percent of thickness T. The disclosure also relates to cured compositions formed from such curable compositions and, in turn, abrasive articles made from such cured compositions as well as methods for making abrasive articles.

Abstract: A porous coated abrasive article comprises a porous backing having opposed first and second major surfaces, and a porous abrasive layer disposed on the first major surface. The porous backing comprises a porous oriented thermoplastic film. The porous backing has a land portion and openings extending between the first and second major surfaces. Each opening has a respective area at the first surface, wherein the openings have a number density of 5 to 4600 openings per square inch, and wherein the total area of the openings is from 1 to 90 area percent, based on the combined total areas of the land portion and the openings. The porous abrasive layer is disposed on the first major surface of the porous backing. The porous abrasive layer comprises abrasive particles retained in a binder and has an abrading surface opposite the porous backing, and the second major surface of the porous backing and the abrading surface are in fluid communication through at least some of the openings.

Abstract: A heat-treated non-oriented principal film including a cast (co)polymeric component that is not capable of thermally-induced self-forming. The heat-treated principal film has first and second opposed major faces and at least one modification zone on the first major face, each modification zone including a central portion and a rim portion surrounding the central portion. Each rim portion is surrounded by a land portion. An average thickness of each rim portion is greater than an average thickness of the land portion surrounding each modification zone, and an average thickness of each central portion is less than the average thickness of the land portion, or zero. The first major face of the heat-treated principal film may be positioned in contact with an oriented carrier film including a molecularly-oriented (co)polymer that exhibits a relaxation temperature (Tr). Methods of making such films and hand-tearable adhesive articles including such films are also disclosed.

Abstract: The disclosure relates to layers comprising a body having a thickness, T, comprising a curable composition comprising a polymerizable epoxy-acrylate resin composition and abrasive particles at least partially embedded in the polymerizable epoxy-acrylate resin composition, wherein the body includes a plurality of void spaces free of the curable composition extending into the body from the first major surface and the depth of the plurality of void spaces is at least 10 percent of thickness T. The disclosure also relates to cured compositions formed from such curable compositions and, in turn, abrasive articles made from such cured compositions as well as methods for making abrasive articles.

Abstract: Articles comprising: (1) a sheet having a first surface and a second surface and (2) an separation layer on at least a portion of the first surface, wherein the separation layer comprising (a) a binder layer with particles entrained therein and (b) an overcoat. Also methods for making such articles and methods for using such articles.

Abstract: Dry erase articles are described comprising a writable surface layer comprising a cured hardcoat composition comprising the reaction product of certain low surface energy compound(s). In one embodiment, the compound(s) comprise a C18-C36 hydrocarbon group and an ethylenically unsaturated group. In another embodiment, a mixture of compounds is utilized, the mixture comprising first compounds comprising a C18-C36 hydrocarbon group and an ethylenically unsaturated group and second compounds comprising a C8-C17 hydrocarbon group and an ethylenically unsaturated group, wherein the first and second compound are present at a weight ratio of 3:2 to 4:1.

Abstract: At least some aspects of the present disclosure feature a computing device configured to display visual representations of digital notes and one or more group images representing one or more groups on a user interface, where each group may include one or more digital notes. The computing device is further configured to receive one or more user inputs via the user interface and change the compositions of the groups based on the received user inputs.

Abstract: Articles are described comprising a surface layer comprising at least one long hydrocarbon chain silane compound (C8-C36) bonded to a siliceous layer such as diamond-like glass. In an embodiment, the siliceous layer has a porosity of no greater than 10% and a thickness no greater than 1 micron. In another embodiment, the siliceous layer comprises 10-50 atomic percent carbon and the article further comprises an organic polymeric base member or a hardcoat layer. Also described are coating compositions comprising at least one C8-C17 hydrocarbon silane compound and at least one C18-C36 hydrosilane compound.

Abstract: Dry erase articles are described comprising a writable surface layer comprising a cured hardcoat composition comprising the reaction product of certain low surface energy compound(s). In one embodiment, the compound(s) comprise a C18-C36 hydrocarbon group and an ethylenically unsaturated group. In another embodiment, a mixture of compounds is utilized, the mixture comprising first compounds comprising a C18-C36 hydrocarbon group and an ethylenically unsaturated group and second compounds comprising a C8-C17 hydrocarbon group and an ethylenically unsaturated group, wherein the first and second compound are present at a weight ratio of 3:2 to 4:1.

Abstract: Techniques for creating and manipulating software notes representative of physical notes are described. A computing device includes a processor, an image collection module executable by the processor and configured to receive an input image of an environment having a plurality of overlapping physical notes, and an image processing engine executable by the processor and configured to process the input image with the computing device to identify the plurality of overlapping physical notes in the input image. The image processing engine determines a boundary of each note in the plurality of overlapping physical notes in the input image, and generates a plurality of digital notes corresponding to the determined boundary of each of the overlapping physical notes identified in the input image.

Abstract: At least some aspects of the present disclosure feature a computing device configured to display visual representations of digital notes and one or more group images representing one or more groups on a user interface, where each group may include one or more digital notes. The computing device is further configured to receive one or more user inputs via the user interface and change the compositions of the groups based on the received user inputs.

Abstract: At least some aspects of the present disclosure feature a computing device configured to display visual representations of digital notes and one or more group images representing one or more groups on a user interface, where each group may include one or more digital notes. The computing device is further configured to receive one or more user inputs via the user interface and change the compositions of the groups based on the received user inputs.

Abstract: Techniques for creating and manipulating software notes representative of physical notes are described. A note management system comprises a note recognition module configured to receive image data capturing a note having a plurality of color segments, wherein the note recognition module is further configured to generate a plurality of indicators, each indicator indicative of a color class of a pixel or group of pixels within the image data and based on color values of the pixel or group of pixels; and a note extraction module configured to determine general boundaries of the color segments of the note based on the plurality of indicators and extract content using the general boundaries, the content comprising a plurality of content pieces, each of the content pieces corresponding to one of the color segments of the note.

Abstract: Techniques are described for creating and manipulating software notes representative of physical notes. A computing device is described that includes a processor and an image collection module executable on the processor and configured to receive an input image of an environment having a plurality of physical notes. An image processing engine executable on the processor is configured to identify the plurality of physical notes in the input image and generate, for each of the physical notes, a corresponding digital note. The image processing engine is further configured to identify an indication of one or more groups of the plurality of identified notes in the input image and group the plurality of digital notes according to the indication.

Abstract: At least some aspects of the present disclosure feature systems and methods for managing notes. The note management system includes a note source, a note recognition module, a note extraction module, and a note labeling module. The note source is a visual representation of a scene having a note. The note recognition module is configured to receive the visual representation and determine a general boundary of the note from the visual representation. The note extraction module is configured to extract content of the note from the visual representation based on the determined general boundary. The note labeling module is configured to label the note with a category.

Abstract: Cleanable articles having overcoats with hydrophilic front surfaces and which are siloxane-bonded to an underlying body member. Also, methods of making and using such articles.

Abstract: This disclosure describes techniques for creating and manipulating software notes representative of physical notes. For example, techniques are described for recognizing physical notes present within a physical environment, capturing information therefrom and creating corresponding digital representations of the physical notes, referred to herein as digital notes or software-based notes. At least some aspects of the present disclosure feature system and methods for note recognition using color classification. The system receives a visual representation of a scene having one or more notes, where each note has a color. The system generates indicators indicative of color classes of pixels in the visual representation. The system further determines a general boundary of one of the notes based on the indicators.

Abstract: Techniques for creating and manipulating software notes representative of physical notes are described. A note management system comprises a note recognition module configured to receive image data capturing a note having a plurality of color segments, wherein the note recognition module is further configured to generate a plurality of indicators, each indicator indicative of a color class of a pixel or group of pixels within the image data and based on color values of the pixel or group of pixels; and a note extraction module configured to determine general boundaries of the color segments of the note based on the plurality of indicators and extract content using the general boundaries, the content comprising a plurality of content pieces, each of the content pieces corresponding to one of the color segments of the note.

Abstract: Techniques for creating and manipulating software notes representative of physical notes are described. A computing device includes a processor, an image collection module executable by the processor and configured to receive an input image of an environment having a plurality of overlapping physical notes, and an image processing engine executable by the processor and configured to process the input image with the computing device to identify the plurality of overlapping physical notes in the input image. The image processing engine determines a boundary of each note in the plurality of overlapping physical notes in the input image, and generates a plurality of digital notes corresponding to the determined boundary of each of the overlapping physical notes identified in the input image.