Degradable crosslinkers, compositions therefrom, and methods of their preparation and use

The present invention is directed toward compositions that are chemically different after application to a substrate as compared to the composition prior to its application. A method of the invention comprises a method of transitioning a crosslinked polymer composition from a first chemical state to a second chemical state. Advantageously, compositions of the invention are relatively stable after transformation to their altered, or second, chemical state.

Light emitting diode (LED) device and method of making same

A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically.

POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Soluble polymers as amine capture agents and methods

Soluble polymers and methods for the preparation thereof, wherein the polymers of the present invention have pendant acylsulfonamide amine-reactive groups that can be used for the capture of amine containing materials.

Adhesive compositions

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

STABLE, LOW CURE-TEMPERATURE SEMI-STRUCTURAL PRESSURE SENSITIVE ADHESIVE

A curable pressure sensitive adhesive having long shelf stability comprising: (1) at least one free radically polymerized polymer; (2) at least one cationically-polymerizable monomer; (3) a photo-activatable catalyst system for the cationically-polymerizable monomer comprising either at least one organometallic complex salt or at least one onium salt; and (4) optionally, a monohydric or polyhydric alcohol, wherein there is essentially no conversion of the cationically-polymerizable monomer of the curable pressure sensitive adhesive when stored in a manner to exclude actinic radiation, and methods of making the same. © KIPO & WIPO 2007 ...

MICRO-STRUCTURED OPTICALLY CLEAR ADHESIVES

A micro-structured optically clear adhesive, including a first major surface and a second major surface, wherein at least one of the first and second major surfaces comprises a micro-structured surface of interconnected micro-structures in at least one of the planar dimensions (x-y), is disclosed. The micro-structured optically clear adhesive has a tan delta value of at least about 0.3 at a lamination temperature and is non-crosslinked or lightly crosslinked. The micro-structured surface may include indentations having a depth of between about 5 and about 80 microns. A method of laminating a first substrate and a second substrate without the use of a vacuum is provided. The method includes providing a micro-structured optically clear adhesive, removing a release liner from a first side of the micro-structured optically clear adhesive, contacting the first side of the micro-structured optically clear adhesive with a surface of the first substrate, removing a micro-structured release liner ...

STRETCH RELEASABLE ADHESIVE TAPE

An adhesive tape that is stretch releasable, articles that contain the adhesive tape, and uses of the adhesive tape are disclosed. The adhesive tapes include a backing layer that is adjacent to at least one pressure-sensitive adhesive layer. The backing layer typically is optically clear and includes a poly(alkylene) copolymer. The pressure-sensitive adhesive layer is a silicone-based adhesive composition. In many embodiments, the adhesive tape is optically clear. 115-. (canceled)17. The adhesive tape of claim 16 , wherein the polydiorganosiloxane polyoxamide block copolymer is crosslinked.18. The adhesive tape of claim 16 , wherein the first pressure-sensitive adhesive layer further comprises a tackifying resin.19. The adhesive tape of claim 18 , wherein the first pressure-sensitive adhesive layer comprises (a) 30 to 90 weight percent polydiorganosiloxane polyoxamide block copolymer and (b) 10 to 70 weight percent tackifying resin.20. The adhesive tape of claim 19 , wherein the tackifying resin comprises a silicone tackifying resin.21. The adhesive tape of claim 16 , further comprising a second pressure-sensitive adhesive layer adjacent to a second major surface of the backing layer.22. The adhesive tape of claim 21 , wherein the second pressure-sensitive adhesive layer comprises a polydiorganosiloxane polyoxamide block copolymer.23. The adhesive tape of claim 16 , wherein the first pressure-sensitive adhesive layer is adhered to a first substrate.24. The adhesive tape of claim 21 , wherein the first pressure-sensitive adhesive layer is adhered to a first substrate and the second pressure-sensitive adhesive layer is adhered to a second substrate.25. The adhesive tape of claim 23 , wherein the first pressure-sensitive adhesive layer comprises (a) 30 to 90 weight percent polydiorganosiloxane polyoxamide block copolymer and (b) 10 to 70 weight percent tackifying resin.26. The adhesive tape of claim 24 , wherein each of the first pressure-sensitive adhesive layer and ...

Concurrently curable hybrid adhesive composition

A curable adhesive composition comprises (a) at least one polymer comprising polymerized units derived (or derivable) from at least one (meth)acryloyl-functional monomer or oligomer; (b) at least one (meth)acryloyl-multifunctional monomer or oligomer; (c) at least one multifunctional epoxide; (d) at least one free radical initiator; and (e) at least one cationic initiator; wherein the composition is optically clear and remains optically clear during and after curing.

POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)type. 2. The article of claim 1 , wherein the cast article comprises a film cast from solvent.3. The article of claim 2 , wherein the film cast from solvent comprises a film with a microreplicated surface structure.4. The article of claim 1 , wherein the molded article comprises a shaped claim 1 , molded article.5. The article of claim 4 , wherein the shaped claim 4 , molded article comprises a continuous or a discrete shape.6. The article of claim 1 , wherein the embossed article comprises a shaped claim 1 , embossed article.7. The article of claim 4 , wherein the shaped claim 4 , embossed article comprises a continuous or a discrete shape.8. The article of claim 1 , wherein the extruded film comprises an extruded film with a microreplicated surface.9. The article of claim 1 , wherein the copolymer comprises a copolymer wherein each Ris methyl.10. The article of claim 1 , wherein the copolymer comprises a copolymer wherein at least 50 percent of the Rgroups is methyl.11. The article of claim 1 , wherein the copolymer comprises a copolymer wherein each Y is an alkylene having 1 to 10 carbon atoms claim 1 , phenylene bonded to an alkylene having 1 to 10 carbon atoms claim 1 , or phenylene bonded to a first alkylene having 1 to 10 carbon atoms and to a second alkylene having 1 to 10 carbon atoms.12. The article of claim 1 , wherein the copolymer comprises a copolymer wherein Y is an alkylene having 1 to 4 carbon atoms.13. The article of claim 1 , wherein the copolymer comprises a copolymer having a first repeat unit where p is equal to 1 and a second repeat unit where p is at least 2.14. The article of claim 1 , wherein the ...

Polydiorganosiloxane polyoxamide copolymers

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Protective film adhesive

A protective floor film adhesive composition includes an acrylic pressure sensitive adhesive having an inherent viscosity in a range of 0.3 dl/g or greater, a cross-linker, and a plasticizer compatible with the acrylic pressure sensitive adhesive. The adhesive composition has a glass transition temperature of 10 degrees Celsius or less, and the adhesive composition has an initial 180 degree peel adhesion test value of 5 oz/in or greater and builds to a final 180 degree peel adhesion test value of 40 oz/in or less, and a haze test value of 10% or less. Protective floor film articles and methods of protecting flooring are also described.

INTERFERENCE FILMS HAVING ACRYLAMIDE LAYER AND METHOD OF MAKING SAME

A method for forming a color shifting film on a support, the film comprising a reflective stack disposed adjacent to the support and an image is disclosed. The reflective stack comprises an at least partially transparent spacer layer comprising a substituted acrylamide polymer disposed between a partially reflective first layer and a reflective second layer. The acrylamide layer has a thickness sufficient to produce an interference color.

A METHOD OF REPAIRING SCRATCHED AND/OR ABRADED TRANSPARENT SUBSTRATES AND THE REPAIRED SUBSTRATES

The present invention relates to scratches and/or abraded first substrates such as windows that have been repaired using a bonding material and a second undamaged substrate. Repaired articles and method of repair are provided. © KIPO & WIPO 2007 ...

Polydiorganosiloxane polyoxamide copolymers

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

Repaired scratched and/or abraded transparent substrates having protective removable sheets thereon and a method of making

This invention relates to a method of repairing one or both sides of an optically damaged substrate such as rigid glass or plastic window, signage or displays. The invention also relates to the repaired substrates. This invention also relates to an article comprising a transparent stack of sheets that may be applied, for example, to protect said repaired substrates such as glass or plastic windows, signage or displays. A topmost sheet can be peeled away after it is damaged to reveal an undamaged sheet below. The invention also relates to the protected substrates and a method of protecting substrates such as glass or plastic windows, signage and displays from vandalism or other surface damage by adhering the stack of sheets to the substrate to be protected and subsequently pulling a topmost sheet away from the stack after it becomes damaged.

NANOSTRUCTURED MATERIAL AND METHOD OF MAKING THE SAME

Nanostructured material exhibiting a random anisotropic nanostructured surface, and exhibiting an average reflection at 60 degrees off angle less than 1 percent. The nanostructured materials are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing.

Tackified polydiorganosiloxane oligourea segmented copolymers and a process for making same

Tackified compositions comprise a curable polydiorganosiloxane oligourea segmented copolymer which has alternating soft polydiorganosiloxane units and hard diisocyanate residues, the diisocyanate residue being the diisocyanate minus the —NCO groups. The units are connected together by urea linkages and the copolymer has end groups that are reactive under free radical or moisture cure conditions, and silicate resin. Also provided are pressure-sensitive adhesives, hot melt adhesives, and vibration damping composites, vibration damping constrained layer constructions, a bi-directional vibration damping constrained layer constructions, vibration damping shaped articles as well as a method of vibrationally damping an article and processes for producing curable vibration damping material.

Nanostructured material and method of making the same

Nanostructured material exhibiting a random anisotropic nanostructured surface, and exhibiting an average reflection at 60 degrees off angle less than 1 percent. The nanostructured materials are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing.

REPAIRED SCRATCHED AND/OR ABRADED TRANSPARENT SUBSTRATES HAVING PROTECTIVE REMOVABLE SHEETS THEREON AND A METHOD OF MAKING

This invention relates to a method of repairing one or both sides of an optically damaged substrate such as rigid glass or plastic window, signage or displays. The invention also relates to the repaired substrates. This invention also relates to an article comprising a transparent stack of sheets that may be applied, for example, to protect said repaired substrates such as glass or plastic windows, signage or displays. A topmost sheet can be peeled away after it is damaged to reveal an undamaged sheet below. The invention also relates to the protected substrates and a method of protecting substrates such as glass or plastic windows, signage and displays from vandalism or other surface damage by adhering the stack of sheets to the substrate to be protected and subsequently pulling a topmost sheet away from the stack after it becomes damaged. © KIPO & WIPO 2007 ...

ANTISTATIC OPTICALLY CLEAR PRESSURE SENSITIVE ADHESIVE

Provided is an optically clear display-grade adhesive comprising (a) a crosslinked acrylic pressure sensitive adhesive, (b) an organic-soluble and dissociable salt, and optionally (c) a non-hydrophilic plasticizer, wherein the adhesive is electrostatically dissipative transmissive to visible light with low haze. Also provided are with methods of making and using the same.

POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)type. 2. The copolymer of claim 1 , wherein each Ris methyl.3. The copolymer of claim 1 , wherein at least 50 percent of the Rgroups are methyl.4. The copolymer of claim 1 , wherein each Y is an alkylene having 1 to 10 carbon atoms claim 1 , phenylene bonded to an alkylene having 1 to 10 carbon atoms claim 1 , or phenylene bonded to a first alkylene having 1 to 10 carbon atoms and to a second alkylene having 1 to 10 carbon atoms.5. The copolymer of claim 1 , wherein Y is an alkylene having 1 to 4 carbon atoms.6. The copolymer of claim 1 , wherein the copolymer has a first repeat unit where p is equal to 1 and a second repeat unit where p is at least 2.7. The copolymer of claim 1 , wherein G is an alkylene claim 1 , heteroalkylene claim 1 , arylene claim 1 , aralkylene claim 1 , polydiorganosiloxane claim 1 , or a combination thereof.8. The copolymer of claim 1 , wherein n is at least 409. The copolymer of claim 1 , wherein Ris hydrogen.10. The copolymer of claim 1 , wherein the nonreactive additive is a filler claim 1 , pigment claim 1 , stabilizer claim 1 , antioxidant claim 1 , flame retardant claim 1 , or a compatibilizer.13. The method of claim 12 , wherein forming the reaction mixture comprises pouring claim 12 , coating claim 12 , injection molding claim 12 , spraying claim 12 , sputtering claim 12 , atomizing claim 12 , stranding claim 12 , or sheeting.14. The method of claim 12 , further comprising converting the partially or completely polymerized reaction mixture to a particle claim 12 , a droplet claim 12 , a pellet claim 12 , a sphere claim 12 , a strand claim 12 , a ribbon claim 12 , a rod claim 12 , a tube claim ...

GRAFFITI AND/OR ENVIRONMENTAL PROTECTIVE ARTICLE HAVING REMOVABLE SHEETS, SUBSTRATES PROTECTED THEREWITH, AND A METHOD OF USE

This invention relates to an article comprising a transparent stack of sheets that may be applied, for example, to protect substrates such as glass or plastic windows, signage or displays. A topmost sheet can be peeled away after it is damaged to reveal an undamaged sheet below. The invention also relates to the protected substrates and a method of protecting substrates such as glass or plastic windows, signage and displays from vandalism or other surface damage by adhering the stack of sheets to the substrate to be protected and subsequently pulling a topmost sheet away from the stack after it becomes damaged. © KIPO & WIPO 2007 ...

Heat activated optically clear adhesive for bonding display panels

A method of making a display assembly includes the steps of (a) attaching a first substrate and a second substrate with an optically clear heat activated adhesive to form a laminate. Each of the first and second substrate has opposing major surfaces. At least one of the first and second substrate has a three dimensional surface topography covering at least a portion of one of its major surfaces or is distortion sensitive. At a heat activation temperature, the adhesive is pressure sensitive. The method also includes heating the laminate to the heat activation temperature of the adhesive causing the adhesive to flow. The activation temperature is greater than 40° C. and less than 120° C.

Acoustic sensors and methods

Acoustic sensors, preferably surface acoustic wave sensors, and more preferably shear horizontal surface acoustic wave sensors that include soluble polymers, monomers (optionally mixed with oligomers and/or polymers formed from such monomers), or multifunctional compounds, for example, that can function as either waveguide materials, immobilization materials for secondary capture agents (e.g., antibodies), or both.

Cloud point-resistant adhesives and laminates

Optically clear adhesives and laminates that include the adhesives are provided. The adhesives and laminates remain haze-free and are cloud point-resistant when placed in environments of high humidity and elevated temperature. The adhesives and laminates are useful in optical electronic display applications.

PROTECTIVE FILMS AND RELATED METHODS

The invention features protective film constructions that may be used, for example, as a protective floor finish. © KIPO & WIPO 2008 ...

PROJECTION SCREENS

A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically. © KIPO & WIPO 2007 ...

STRETCH REMOVABLE ADHESIVE ARTICLES AND METHODS

Pressure sensitive adhesive articles and methods, particularly stretch removable adhesive articles that are preferably for use in adhering to skin or like delicate surfaces. Preferably, stretch removability of the article occurs as a result of the selection of a stretch removable pressure sensitive adhesive. In one embodiment of the articles and methods, the adhesive and backing delaminate upon removal. In another embodiment of the articles and methods, the backing includes a predefined tab located in a central location of the backing. © KIPO & WIPO 2007 ...

(METH)ACRYLATE BLOCK COPOLYMER PRESSURE SENSITIVE ADHESIVES

Articles are provided that include an optical film and an optically clear pressure sensitive adhesive layer on at least one outer surface of the optical film. Additionally, articles are provided that include a pressure sensitive adhesive layer that resists bubble formation when adhered to an outgassing substrate. The pressure sensitive adhesive layer in the various articles contain a (meth)acrylate block copolymer. © KIPO & WIPO 2007 ...

Conformable abrasive articles and methods of making and using the same

Conformable abrasive article comprising: a backing having a first major surface; a deformable material contacting a central portion of the first major surface; an elastic member affixed to the first major surface of the backing and together with the backing enclosing the deformable material; and an abrasive member affixed to the elastic member, wherein the abrasive member comprises abrasive particles and a binder; and methods of making and using the same.

INTERFERENCE FILMS HAVING ACRYLAMIDE LAYER AND METHOD OF MAKING SAME

A method for forming a color shifting film on a supportand a color shifting film are disclosed, the film comprising a reflective stack disposed adjacent to the support and an image formed in the film such that it may be viewed or illuminated through the reflective stack. The reflective stack comprises an at least partially transparent spacer layer comprising a substituted acrylamide polymer disposed between a partially reflective first layer and a reflective second layer. The acrylamide layer has a thickness sufficient to produce an interference color. COPYRIGHT KIPO & WIPO 2010 ...

CONCURRENTLY CURABLE HYBRID ADHESIVE COMPOSITION

A curable adhesive composition comprises (a) at least one polymer comprising polymerized units derived (or derivable) from at least one (meth)acryloyl-functional monomer or oligomer; (b) at least one (meth)acryloyl-multifunctional monomer or oligomer; (c) at least one multifunctional epoxide; (d) at least one free radical initiator; and (e) at least one cationic initiator; wherein the composition is optically clear and remains optically clear during and after curing. © KIPO & WIPO 2008 ...

POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type. © KIPO & WIPO 2008 ...

CLOSURE SYSTEMS WITH SELF-ADHERING ADHESIVES, AND ARTICLES

Closure systems containing self-adhering adhesives that include: at least two opposing closure elements at (e.g., separate locations on an article such as a disposable diaper) that are capable of overlapping to form an adhesive closure; and a self-adhering adhesive composition on each of the closure elements; wherein the self- adhering adhesive composition includes: 50 wt-% to 90 wt-% of an adhesive elastomeric material comprising a nonpolar elastomer; 10 wt-% to 40 wt-% of a wax; 0 to less than 5 wt-% of a plasticizer; wherein the percentages are based on the total weight of the adhesive elastomeric material plus wax plus optional plasticizer, and wherein at least one of the following statements is true: the self-adhering adhesive composition has a T-peel of at least 100 grams per cm; or the wax has a molecular weight of less than 1500. © KIPO & WIPO 2007 ...

POLYMERIC COMPOSITIONS AND ARTICLES WITH ANISOTROPIC LIGHT SCATTERING AND METHODS OF MAKING AND USING

A polymeric composition includes a first polymeric material, for example, an adhesive material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically. The polymeric composition is optionally disposed on a substrate and can be used, for example, to extract light from a light guide or to asymmetrically alter the viewing angle of a display. © KIPO & WIPO 2007 ...

Pressure sensitive adhesive fibers with a reinforcing material

This invention is directed to a reinforced adhesive fiber that includes a pressure sensitive adhesive component and a reinforcing material within the pressure sensitive adhesive component.

Transparent adhesive sheet and image display device including the same

An object of the present disclosure is to provide a transparent adhesive sheet in which the occurrence of display unevenness, bubbles and peeling is prevented. The transparent adhesive sheet contains a copolymer of a monomer comprising (A) an alkyl (meth)acrylate having an alkyl group of 4 to 18 carbon atoms, a polar monomer whose homopolymer has a glass transition temperature (Tg) of 50 C or higher (B), and (C) a (meth)acrylate ester, wherein the copolymer exhibits tan of 0.13 or more at 140 C and 1.0 Hz, and also exhibits a storage elastic modulus of 8.9 104 Pa or less at 25 C and 1.0 Hz.

Adhesives for use on fluorine-containing or polycarbonate surfaces

Adhesives useful in applying articles, such as tapes, labels, signs, decals, emblems, car moldings, protective or optical films, etc., to surfaces to which articles normally do not adhere well, such as surfaces containing fluorine and polycarbonate, for example. The adhesives include a copolymer of one or more monoethylenically unsaturated alkyl (meth)acrylate monomers, one or more monoethylenically unsaturated secondary or tertiary amide-functional monomers, and optionally one or more acidic monomers.

Projection screen having elongated structures

A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically.

Pressure sensitive adhesives with a fibrous reinforcing material

This invention is directed to a fiber reinforced adhesive composition comprising a pressure sensitive adhesive matrix and a fibrous reinforcing material within the pressure sensitive adhesive matrix. The adhesive composition has a yield strength and a tensile strength. The tensile strength is at least about 150% of the yield strength. Generally, the adhesive composition exhibits these properties at least 50% elongation when measured according to ASTM D 882-97 at a crosshead speed of 12 inches/minute (30 centimeters/minute).

HEAT ACTIVATED OPTICALLY CLEAR ADHESIVE FOR BONDING DISPLAY PANELS

A method of making a display assembly includes the steps of (a) attaching a first substrate and a second substrate with an optically clear heat activated adhesive to form a laminate. Each of the first and second substrate has opposing major surfaces. At least one of the first and second substrate has a three dimensional surface topography covering at least a portion of one of its major surfaces or is distortion sensitive. At a heat activation temperature, the adhesive is pressure sensitive. The method also includes heating the laminate to the heat activation temperature of the adhesive causing the adhesive to flow. The activation temperature is greater than 40° C. and less than 120° C.

Adhesive compositions

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)_n type.

PROTECTIVE FILM ADHESIVE

A protective floor film adhesive composition includes an acrylic pressure sensitive adhesive having an inherent viscosity in a range of 0.3 dl/g or greater, a cross-linker, and a plasticizer compatible with the acrylic pressure sensitive adhesive. The adhesive composition has a glass transition temperature of-10 degrees Celsius or less, and the adhesive composition has an initial 180 degree peel adhesion test value of 5 oz/in or greater and builds to a final 180 degree peel adhesion test value of 40 oz/in or less, and a haze test value of 10% or less. Protective floor film articles and methods of protecting flooring are also described. © KIPO & WIPO 2007 ...

ADHESIVE COMPOSITIONS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)_n type.

Wet surface adhesives

A wet stick pressure sensitive adhesive comprising the solventless polymerization product of: a) about 30 to about 70 parts by weight of an (meth)acrylate ester monomer wherein the (meth)acrylate ester monomer, when homopolymerized, has a Tg of less than about 10° C.; b) about 70 to about 30 parts by weight of a hydrophilic acidic comonomer; and c) about 10 to 100 parts based on 100 parts of the sum of components (a+b) of a non-reactive plasticizing agent, wherein the pressure sensitive adhesive adheres to wet substrate surfaces and a method of making.

Heat-activatable adhesive

Heat-activatable adhesives comprise a semi-crystalline polymer. The semi-crystalline polymer comprises alkyl (meth)acrylate monomer units having an alkyl group that contains at least about 20 carbon atoms, alkyl (meth)acrylate monomer units having an alkyl group that contains from about 4 to about 12 carbon atoms, and optionally ethylenically-unsaturated non-acidic polar monomer units. Methods for making heat-activatable adhesives and articles therefrom are also included.

Hot-melt adhesive compositions comprising acidic polymer and basic polymer blends

A hot-melt adhesive composition comprises a blend of at least one acidic polymer and at least one basic polymer. At least one of the polymers is a hot-melt adhesive. Thermally reversible crosslinks are formed between each of the two polymers. These crosslinks impart cohesive strength to the applied adhesive, without sacrificing ease of processing.

Antistatic block copolymer pressure sensitive adhesives and articles

An antistatic pressure sensitive adhesive composition, useful in electronic and optical display applications, comprising an antistatic agent and a first block copolymer comprising at least two hard A block polymeric units each independently having a Tg of at least 50 DEG C, and at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20 DEG C. The composition can comprise a second block copolymer. Articles comprising an antistatic pressure sensitive adhesive composition adjacent a first surface of a substrate are disclosed.

ACRYLIC-BASED COPOLYMER COMPOSITIONS FOR COSMETIC AND PERSONAL CARE

A composition for nails, skin and hair in the form of an aqueous emulsion or dispersion is provided. The composition comprises: (a) at least one copolymer comprising (i) about 10 to 85 weight percent of (meth) acrylate ester of C4 to C18 straight and/or branched chain alkyl alcohol, (ii) about 10 to 70 weight percent of (meth)acrylate ester of a saturated or unsaturated cyclic alcohol containing 6 to 20 carbon atoms; and (b) an aqueous carrier, solvent, or vehicle component. When used in hair applications, the inventive composition is not a reshapable composition. © KIPO & WIPO 2007 ...

CONFORMABLE ABRASIVE ARTICLES AND METHODS OF MAKING AND USING THE SAME

Conformable abrasive article comprising: a backing having a first major surface; a deformable material contacting a central portion of the first major surface; an elastic member affixed to the first major surface of the backing and together with the backing enclosing the deformable material; and an abrasive member affixed to the elastic member, wherein the abrasive member comprises abrasive particles and a binder; and methods of making and using the same. © KIPO & WIPO 2008 ...

ADHESIVE COMPOSITIONS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)n type. © KIPO & WIPO 2008 ...

ADHESIVE ARTICLE

The present invention comprises adhesive articles, adhesive compositions, and release liners. The release liners include silicone-based release formulations that can provide average and static release forces desirable for converting and handling soft adhesives, particularly adhesives of the type used in the electronics industry. In one embodiment, the silicone-based formulations include addition-cure silicone-based release formulations.

Polymeric compositions and articles with anisotropic light scattering and methods of making and using

A polymeric composition includes a first polymeric material, for example, an adhesive material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically. The polymeric composition is optionally disposed on a substrate and can be used, for example, to extract light from a light guide or to asymmetrically alter the viewing angle of a display.

Fluid-activatable adhesive articles and methods

Adhesive articles and methods of applying and activating adhesive articles to bond to substrates using a fluid application aid. Preferably, the substrates are traffic devices such as traffic cones and the adhesive articles are retroreflective cone collars or sleeves.

Methods and compositions for ink jet printing of pressure sensitive adhesive patterns or films on a wide range of substrates

Methods, systems, and compositions that make it possible to form high resolution, pressure sensitive adhesive patterns or films on a wide range of substrates. The compositions generally incorporate a curable, fluid composition (i.e., pressure sensitive adhesive precursor). When cured, a pressure sensitive adhesive is formed. Ink jet printing and subsequent curing allows pressure sensitive adhesive features to be formed with high resolution and tremendous flexibility in the patterns by which adhesive features may be formed. Preferred embodiments of the invention incorporate rheology modifying agents that can be used to promote favorable dot gain and other printing characteristics, the ability to build print thickness, and mechanical properties of resultant cured adhesives.

DENTAL COMPOSITIONS INCLUDING THERMALLY RESPONSIVE ADDITIVES, AND THE USE THEREOF

Hardenable and hardened dental compositions that include thermally responsive additives, and articles including such hardenable and hardened compositions, are provided. Upon heating, the hardened compositions are useful for reducing the bond strengths of orthodontic appliances adhered to tooth structures with the hardened compositions.

Cure-on-demand, moisture-curable compositions having reactive silane functionality

Cure-on-demand, moisture-curable compositions of one or more compounds comprising molecules having reactive silane functional groups and an acid generating material are taught herein. The acid generating material releases an acid upon exposure to heat, ultraviolet light, visible light, electron beam irradiation or microwave irradiation to initiate and accelerate the crosslinking reaction. Articles prepared using the moisture curable materials are also disclosed, as are methods of curing those materials.

ANTISTATIC BLOCK COPOLYMER PRESSURE SENSITIVE ADHESIVES AND ARTICLES

An antistatic pressure sensitive adhesive composition, useful in electronic and optical display applications, comprising an antistatic agent and a first block copolymer comprising at least two hard A block polymeric units each independently having a Tg of at least 50° C., and at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20° C. The composition can comprise a second block copolymer. Articles comprising an antistatic pressure sensitive adhesive composition adjacent a first surface of a substrate.

Soluble polymers as amine capture agents and methods

Soluble polymers and methods for the preparation thereof, wherein the polymers of the present invention have pendant acylsulfonamide amine-reactive groups that can be used for the capture of amine containing materials.

ANTISTATIC OPTICAL CONSTRUCTIONS HAVING OPTICALLY-TRANSMISSIVE ADHESIVES

Antistatic optical constructions have optical films that include antistatic layers and optically-transmissive adhesives. A liquid crystal display assembly including the antistatic construction is also disclosed.

CLOUD POINT-RESISTANT ADHESIVES AND LAMINATES

Optically clear adhesives and laminates that include the adhesives are provided. The adhesives and laminates remain haze-free and are cloud point-resistant when placed in environments of high humidity and elevated temperature. The adhesives and laminates are useful in optical electronic display applications.

PRESSURE SENSITIVE ADHESIVE FIBERS WITH A REINFORCING MATERIAL

This invention is directed to a reinforced adhesive fiber that includes a pressure sensitive adhesive component and a reinforcing material within the pressure sensitive adhesive component. © KIPO & WIPO 2007 ...

Pressure sensitive conductive adhesive having hot-melt properties and biomedical electrodes using same

A skin-compatible, hot-melt processible, pressure sensitive adhesive is disclosed. A thermo-reversible cross-linking is achieved, permitting advantages in processibility and the reduction of waste.

Stretch removable adhesive articles and methods

Pressure sensitive adhesive articles and methods, particularly stretch removable adhesive articles that are preferably for use in adhering to skin or like delicate surfaces. Preferably, stretch removability of the article occurs as a result of the selection of a stretch removable pressure sensitive adhesive. In one embodiment of the articles and methods, the adhesive and backing delaminate upon removal. In another embodiment of the articles and methods, the backing includes a predefined tab located in a central location of the backing.

Interference films having acrylamide layer and method of making same

A method for forming a color shifting film on a support, the film comprising a reflective stack disposed adjacent to the support and an image is disclosed. The reflective stack comprises an at least partially transparent spacer layer comprising a substituted acrylamide polymer disposed between a partially reflective first layer and a reflective second layer. The acrylamide layer has a thickness sufficient to produce an interference color.

Radiation-crosslinkable elastomers and photocrosslinkers therefor

Radiation-crosslinkable elastomeric compositions containing:(a) an elastomeric polymer containing abstractable hydrogen atoms in an amount sufficient to enable the elastomeric polymer to undergo crosslinking in the presence of a suitable radiation-activatable crosslinking agent; and(b) a radiation-activatable crosslinking agent of the formula:wherein:X represents CH3-; phenyl; or substituted-phenyl; or substituted-phenyl with the proviso that any substituents on the substituted-phenyl do not interfere with the light-absorbing capacity of the radiation-activatable crosslinking agent and do not promote intramolecular hydrogen abstraction of the radiation activatable crosslinking agent;W represents -O-, -NH-, or -S-;Z represents an organic spacer selected from the group consisting of aliphatic, aromatic, aralkyl, heteroaromatic, and cycloaliphatic groups free of esters, amides, ketones, urethanes, and also free of ethers, thiols, allylic groups; and benzylic groups with hydrogen atoms intramolecularly ...

STRETCH RELEASABLE ADHESIVE

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area-as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process-that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%.

Antistatic optically clear pressure sensitive adhesive

Provided is an optically clear display-grade adhesive comprising (a) a crosslinked acrylic pressure sensitive adhesive, (b) an organic-soluble and dissociable salt, and optionally (c) a non-hydrophilic plasticizer, wherein the adhesive is electrostatically dissipative transmissive to visible light with low haze. Also provided are with methods of making and using the same.

Light emitting diode (LED) device and method of making same

A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and a second polymeric material disposed as a plurality of elongated structures within the first polymeric material. Each elongated structure has a major axis and the major axes are substantially aligned. The first polymeric material has an index of refraction that differs by at least 0.01 from an index of refraction of the second polymeric material. In some instances, a pressure sensitive adhesive material is selected as the first polymeric material. The orientation of the elongated structures and the difference in indices of refraction results in the polymeric composition scattering light asymmetrically.

METHOD OF COATING LIQUID OPTICALLY CLEAR ADHESIVES ONTO RIGID SUBSTRATES

A method for making an optical assembly is disclosed. The method involves disposing a liquid optically clear composition with a coating head. The liquid optically clear composition is disposed onto a target substrate to form an optically clear adhesive layer for adhering elements in an optical assembly. The optical assembly includes a display panel bonded to another optical component and may be used in a display device.

Linerless printable adhesive tape

Stretch releasable adhesive tape

An adhesive tape that is stretch releasable, articles that contain the adhesive tape, and uses of the adhesive tape are disclosed. The adhesive tapes include a backing layer that is adjacent to at least one pressure-sensitive adhesive layer. The backing layer typically is optically clear and includes a poly(alkylene) copolymer. The pressure-sensitive adhesive layer is a silicone-based adhesive composition. In many embodiments, the adhesive tape is optically clear.

(Meth)acrylate block copolymer pressure sensitive adhesives

Articles are provided that include an optical film and an optically clear pressure sensitive adhesive layer on at least one outer surface of the optical film. Additionally, articles are provided that include a pressure sensitive adhesive layer that resists bubble formation when adhered to an outgassing substrate. The pressure sensitive adhesive layer in the various articles contain a (meth)acrylate block copolymer.

High refractive index pressure-sensitive adhesives

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group.

Hot-melt adhesive composition comprising acidic polymer and basic polymer blends

A hot-melt adhesive composition comprises a blend of at least one acidic polymer and at least one basic polymer. At least one of the polymers is a hot-melt adhesive. Thermally reversible crosslinks are formed between each of the two polymers. These crosslinks impart cohesive strength to the applied adhesive, without sacrificing ease of processing.

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

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.

Pressure sensitive adhesives for use on low energy surfaces

A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.

Stretch Releasable Adhesive Tape

Adhesive tapes, articles containing the adhesive tapes, methods of making the adhesive tapes, and uses of the adhesive tapes are described. The adhesive tape is stretch releasable and can be used to couple two substrates together. The adhesive tape can be removed easily to separate the two substrates for any reason. The adhesive tape includes a backing layer and at least one pressure-sensitive adhesive layer adjacent to the backing layer. The backing layer contains a first acrylic copolymer. Each pressure-sensitive adhesive layer contains a second acrylic copolymer plus inorganic particles that are dispersed or suspended in the second acrylic copolymer.

High refractive index adhesives

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted carbazole group.

Protective film adhesive

A protective floor film adhesive composition includes an acrylic pressure sensitive adhesive having an inherent viscosity in a range of 0.3 dl/g or greater, a cross-linker, and a plasticizer compatible with the acrylic pressure sensitive adhesive. The adhesive composition has a glass transition temperature of -10 degrees Celsius or less, and the adhesive composition has an initial 180 degree peel adhesion test value of 5 oz/in or greater and builds to a final 180 degree peel adhesion test value of 40 oz/in or less, and a haze test value of 10% or less. Protective floor film articles and methods of protecting flooring are also described.

ADHESIVE COMPOSITIONS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)_n type.

ADHESIVE COMPOSITIONS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

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

Hot-melt processable adhesive, such as pressure-sensitive-adhesive (PSA) or heat-activatable adhesive, compositions of the present invention possess a broad formulation latitude and adequate cohesive strength after application for use in high performance applications. Hot-melt processable adhesives of the invention comprise at least one block copolymer comprising at least two A blocks and at least one B block. The A and B blocks are derived from monoethylenically unsaturated monomers, which monomers result in saturated polymer backbones without the need for subsequent hydrogenation upon their polymerization. Preferably, the block copolymer is a (meth)acrylate block copolymer.

ADHESIVES COMPATIBLE WITH CORROSION SENSITIVE LAYERS

An article comprising an adhesive having an acid number of less than about 5 is provided. The adhesive is selected from the group consisting of polyurea, polyamide, polyurethane, polyester, addition cure silicone and combinations thereof. The adhesive is in contact with a corrosion sensitive layer selected from the group of metal and metal alloys. When the article is conditioned for about 21 days at about 60° C and 90% relative humidity, the corrosion sensitive layer exhibits a change from its initial electrical resistance value of 20% or less.

CLOUD POINT-RESISTANT ADHESIVES AND LAMINATES

Optically clear adhesives and laminates that include the adhesives are provided. The adhesives and laminates remain haze-free and are cloud point-resistant when placed in environments of high humidity and elevated temperature. The adhesives and laminates are useful in optical electronic display applications.

Antistatic optically clear pressure sensitive adhesive

Antistatic optical constructions having optically-transmissive adhesives

Antistatic optical constructions have optical films that include antistatic layers and optically-transmissive adhesives. A liquid crystal display assembly including the antistatic construction is also disclosed.

Stretch releasable adhesive

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area - as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process - that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%.

Polydiorganosiloxane polyoxamide copolymers

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)n type.

ARTICLE AND METHOD OF MAKING THE SAME

Article comprising an interpenetrating phase. Embodiments of the articles are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing.

Flexible abrasive article and methods of making and using the same

Flexible abrasive article comprising a compressible backing having first and second opposed major surfaces; an elastic polyurethane film affixed to at least a portion of the first major surface of the compressible backing; an optional extensible tie layer affixed to at least a portion of the elastic polyurethane film; and an abrasive layer affixed to at least a portion of the optional extensible tie layer or elastic polyurethane film, the abrasive layer comprising abrasive particles and a binder. Methods of making and using the flexible abrasive article are also disclosed.

High refractive index adhesives

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted carbazole group.

Polydiorganosiloxane oligourea segmented copolymers and a process for making same

The present invention provides polydiorganosiloxane oligourea segmented copolymers. The copolymers contain soft polydiorganosiloxane units, hard segments that are diisocyanate residues, the polydiorganosiloxane units and diisocyanate residues being connected by urea linkages, and terminal groups that are non-reactive, reactive under free radical or moisture cure conditions, or amines. The invention also provides methods of preparing the copolymers.

Polymer mixtures containing polydiorganosiloxane urea-containing components

A mixture is provided comprising (a) at least one of an elastomeric thermoplastic, a non-elastomeric thermoplastic, an elastomeric thermoset and mixtures thereof, excluding polydiorganosiloxane fluids and (b) a polymer having soft polydiorganosiloxane units, hard polyisocyanate residue units, optionally, soft and/or hard organic polyamine residue units and terminal groups. The hard polyisocyanate residue and the hard polyamine residue comprise less than 50% by weight of the polydiorganosiloxane urea containing component. The polyisocyanate residue is the polyisocyanate minus the -NCO groups and the polyamine residue is the polyamine minus the -NH2 groups. The polyisocyanate residue is connected to the polyamine residue by urea linkages. The terminal groups are non-functional groups or functional groups. The polydiorganosiloxane urea containing component may be reactive under free-radical or moisture curing conditions. The mixture may also optionally contain tackifying materials, free radical ...

Method of coating liquid optically clear adhesives onto rigid substrates

A method for making an optical assembly is disclosed. The method involves disposing a liquid optically clear composition with a coating head. The liquid optically clear composition is disposed onto a target substrate to form an optically clear adhesive layer for adhering elements in an optical assembly. The optical assembly includes a display panel bonded to another optical component and may be used in a display device.

Conformable abrasive articles and methods of making and using the same

Conformable abrasive article comprising: a backing having a first major surface; a deformable material contacting a central portion of the first major surface; an elastic member affixed to the first major surface of the backing and together with the backing enclosing the deformable material; and an abrasive member affixed to the elastic member, wherein the abrasive member comprises abrasive particles and a binder; and methods of making and using the same.

Pressure sensitive adhesives for use on low energy surfaces

A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.

(METH)ACRYLATE BLOCK COPOLYMER PRESSURE SENSITIVE ADHESIVES

Articles are provided that include an optical film and an optically clear pressure sensitive adhesive layer on at least one outer surface of the optical film. Additionally, articles are provided that include a pressure sensitive adhesive layer that resists bubble formation when adhered to an outgassing substrate. The pressure sensitive adhesive layer in the various articles contain a (meth)acrylate block copolymer.

Protective Film Adhesive

A protective floor film adhesive composition includes an acrylic pressure sensitive adhesive having an inherent viscosity in a range of 0.3 dl/g or greater, a cross-linker, and a plasticizer compatible with the acrylic pressure sensitive adhesive. The adhesive composition has a glass transition temperature of -10 degrees Celsius or less, and the adhesive composition has an initial 180 degree peel adhesion test value of 5 oz/in or greater and builds to a final 180 degree peel adhesion test value of 40 oz/in or less, and a haze test value of 10% or less. Protective floor film articles and methods of protecting flooring are also described.

OPTICAL ASSEMBLIES INCLUDING STRESS-RELIEVING OPTICAL ADHESIVES AND METHODS OF MAKING SAME

An optical assembly is provided that includes a display panel, a substantially transparent substrate and an adhesive composition. The adhesive composition includes the reaction product of a miscible blend that includes one or more (meth)acrylate monomer, one or more multifunctional (meth)acrylate oligomer and one or more free-radical generating photoinitiator. The one or more multifunctional (meth)acrylic oligomer includes an acrylic oligomer derived from (meth)acrylate monomers that is not substantially bonded to the adhesive composition after it has been cured by exposure to actinic radiation. Also provide is a method of making the optical assembly and a tape that includes a backing and the provided adhesive composition that has been cured. 2. An optical display assembly according to claim 1 , wherein the reaction product of the miscible blend comprises a photo-reaction product.3. (canceled)4. An optical display assembly according to claim 1 , wherein the miscible blend comprises:a) from about 60 parts to about 5 parts of a mixture of one or more acrylic oligomers;b) from about 40 parts to about 95 parts of a mixture of one or more monofunctional (meth)acrylate monomers; andc) from about 0.01 parts to about 1.0 part of one or more free-radical generating initiators based upon 100 parts of components a) and b).5. The optical assembly according to further comprising a multifunctional acrylate or vinyl crosslinker.67-. (canceled)8. The optical assembly according to claim 4 , wherein the mixture of one or more acrylic oligomers comprises an acrylic polyol.9. An optical assembly according to claim 4 , wherein the mixture of one or more (meth)acrylate monomers comprises at least one alkyl(meth)acrylate ester.10. (canceled)11. An optical assembly according to claim 1 , wherein the display panel is selected from a liquid crystal display claim 1 , a plasma display claim 1 , a light-emitting diode (LED) display claim 1 , an electrophoretic display claim 1 , and a cathode ...

HIGH REFRACTIVE INDEX PRESSURE-SENSITIVE ADHESIVES

The present invention provides pressure-sensitive adhesives having a refractive index of at least 1.50. The pressure-sensitive adhesives comprise at least one monomer containing a substituted or an unsubstituted biphenyl group. 2. The adhesive article of claim 1 , wherein the substrate comprises a flexible substrate comprising a plastic film.3. The adhesive article of claim 2 , wherein the plastic film comprises a polypropylene film claim 2 , a polyethylene film claim 2 , a polyvinyl chloride film claim 2 , a polyester film claim 2 , a polycarbonate film claim 2 , a polymethyl(meth)acrylate film claim 2 , a cellulose acetate film claim 2 , a cellulose triacetate film claim 2 , or an ethyl cellulose film.4. The adhesive article of claim 1 , wherein the substrate comprises an inflexible substrate comprising metal claim 1 , metallized polymeric film claim 1 , tin oxide coated glass claim 1 , tin oxide coated polyester claim 1 , polymethyl(meth)acrylate plate claim 1 , polycarbonate plate claim 1 , glass claim 1 , or a ceramic sheet.5. The adhesive article of claim 1 , wherein the coated pressure sensitive adhesive has a thickness of from 2-500 micrometers dry thickness.6. The adhesive article of claim 1 , wherein the coated pressure sensitive adhesive has a thickness of from 25-250 micrometers dry thickness.7. The adhesive article of claim 1 , wherein the pressure sensitive adhesive further comprises at least one additive.8. The adhesive article of claim 7 , wherein the additive comprises a UV absorber claim 7 , a hindered amine light stabilizer claim 7 , or a combination thereof.9. The adhesive article of claim 7 , wherein the additive comprises a UV absorber claim 7 , wherein the UV absorber is present in an amount of 1 to 5 weight % based on the total weight of the pressure sensitive adhesive composition.11. The pressure sensitive adhesive of claim 10 , wherein the additive comprises a UV absorber claim 10 , a hindered amine light stabilizer claim 10 , or a ...

ARTICLES HAVING OPTICAL ADHESIVES AND METHOD OF MAKING SAME

The present invention is an optical bonding layer including an optical film and a liquid optically clear adhesive positioned adjacent the optical film. The optical film is one of an optically clear film adhesive, a stretch releasable optically clear contrast enhancement film and a stretch releasable carrier film. The optical bonding layer has a transmittance of at least about 75%. 1. An optical bonding layer comprising:an optical film; anda first liquid optically clear adhesive (LOCA) positioned adjacent the first optical film;wherein the optical bonding layer has a transmittance of at least about 75%.2. The optical bonding layer of claim 1 , wherein the optical film is one of an optically clear film adhesive claim 1 , a stretch releasable optically clear adhesive and a stretch releasable carrier film.3. The optical bonding layer of claim 1 , wherein the optical film has at least one of the following properties: diffusivity claim 1 , color compensation claim 1 , UV absorption and IR absorption.4. The optical bonding layer of claim 1 , wherein the optical film comprises a first stretch releasable optically clear adhesive and a stretch releasable carrier film.5. The optical bonding layer of claim 4 , wherein the optical film further comprises a second stretch releasable optically clear adhesive claim 4 , wherein the stretch releasable carrier film is positioned between the first and the second stretch releasable optically clear adhesives.6. The optical bonding layer of claim 1 , further comprising a second LOCA positioned adjacent the optical film.7. A display assembly comprising:a first substrate;a second substrate; and an optical film; and', 'a first liquid optically clear adhesive (LOCA) positioned adjacent the optical film., 'an optical bonding layer positioned between the first substrate and the second substrate, the optical bonding layer comprising8. The display assembly of claim 7 , wherein the optical bonding layer further comprises a second LOCA claim 7 , ...

ADHESIVE COMPOSITIONS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a polydiorganosiloxane precursor having oxalylamino groups. The polydioroganosiloxane polyoxamide block copolymers are of the (AB)type. 2. The adhesive composition of claim 1 , wherein the additive comprises a hydrocarbon plasticizer.3. The adhesive composition of claim 1 , wherein the additive comprises a filler comprising fumed silica claim 1 , carbon fibers claim 1 , carbon black claim 1 , glass beads claim 1 , glass bubbles claim 1 , ceramic bubbles claim 1 , glass fibers claim 1 , mineral fibers claim 1 , clay particles claim 1 , organic fibers claim 1 , metal particles claim 1 , unexpanded polymeric microspheres claim 1 , or a combination thereof.4. The adhesive composition of claim 1 , wherein the adhesive composition is a pressure sensitive adhesive.5. The adhesive composition of claim 1 , wherein each Ris methyl and Ris hydrogen.6. The adhesive composition of claim 1 , wherein the copolymer has a first repeat unit where p is equal to 1 and a second repeat unit where p is at least 2.7. The adhesive composition of claim 1 , wherein G is an alkylene claim 1 , heteroalkylene claim 1 , arylene claim 1 , aralkylene claim 1 , polydiorganosiloxane claim 1 , or a combination thereof.8. The adhesive composition of claim 1 , wherein n is an integer of 40 to 500.9. The adhesive composition of claim 1 , wherein the tackifier comprises an MQ silicate tackifying resin.10. The adhesive composition of claim 1 , wherein the tackifier is present in an amount of 20 to 80 weight percent based on the weight of the adhesive composition.12. The article of claim 11 , wherein the additive comprises a hydrocarbon plasticizer.13. The article of claim 11 , wherein the additive comprises a filler comprising fumed silica claim 11 , carbon fibers claim 11 , carbon black claim 11 , glass beads claim 11 , glass ...

OPTICALLY CLEAR ADHESIVE, METHOD OF USE AND ARTICLES THEREFROM

An adhesive composition includes an alkyl (meth)acrylate ester, wherein the alkyl group has 4 to 18 carbon atoms, a hydrophilic copolymerizable monomer and a free-radical generating initiator. The adhesive composition has a tan delta value of between about 0.5 and about 1.0 at a temperature of between about 25 C and about 100 C. 1. An adhesive composition comprising:an alkyl (meth)acrylate ester, wherein the alkyl group has 4 to 18 carbon atoms;a hydrophilic copolymerizable monomer; anda free-radical generating initiator;wherein the adhesive composition maintains a tan delta value of between about 0.5 and about 1.0 at a temperature of between about 25° C. and about 100° C.2. The adhesive composition of claim 1 , wherein the adhesive composition maintains a tan delta value of between about 0.6 and about 0.8 at a temperature of between about 25° C. and about 100° C.3. The adhesive composition of claim 1 , wherein the alkyl(meth)acrylate ester is selected from the group consisting of: 2-ethylhexyl acrylate (2-EHA) claim 1 , isobornyl acrylate (IBA) claim 1 , iso-octylacrylate (IOA) and butyl acrylate (BA).4. The adhesive composition of claim 1 , wherein the hydrophilic copolymerizable monomer is selected from the group consisting of: acrylic acid (AA) claim 1 , 2-hydroxyethyl acrylate (HEA) claim 1 , and hydroxypropyl acrylate (HPA) claim 1 , ethoxyethoxyethyl acrylate (V-190) claim 1 , acrylic amide (Acm) claim 1 , diacetone acrylamide claim 1 , N claim 1 ,N-dimethylacrylamide claim 1 , and N-morpholino acrylate (MoA).5. The adhesive composition of claim 1 , wherein the alkyl (meth)acrylate ester comprises a low Tg yielding alkyl (meth)acrylate ester claim 1 , wherein the low Tg alkyl (meth)acrylate ester as a homopolymer has a Tg of between about −70° C. and about 20° C.6. (canceled)7. The adhesive composition of claim 5 , wherein the alkyl (meth)acrylate ester further comprises a high Tg yielding alkyl (meth)acrylate ester claim 5 , wherein the high Tg alkyl (meth) ...

STRETCH RELEASABLE ADHESIVE

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area—as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process—that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%. 1. A stretch releasable adhesive article , comprising:an extensible backing having opposed first and second major surfaces; the extensible backing including a poly(alkylene) copolymer;a pressure sensitive adhesive on at least a portion of at least one of the first or second major surfaces; the pressure sensitive adhesive including at least one of a silicone or an styrene-butadiene-styrene or blends thereof;a pull tab;wherein the stretch releasable adhesive article has a visible light transmission of at least about 80%; andwherein the stretch releasable adhesive article has a width to thickness ratio of at least 25:1.2. The stretch releasable adhesive article of claim 1 , wherein the stretch releasable adhesive article has a haze of no greater than 10%.3. The stretch releasable adhesive article of claim 1 , wherein the stretch releasable adhesive article has a haze of no greater than 8%.4. The stretch releasable adhesive article of claim 1 , wherein the pressure sensitive adhesive is on at least a portion of the first and second major surfaces.5. The stretch releasable adhesive article of claim 1 , wherein the backing includes multiple layers.6. The stretch releasable adhesive article of claim 1 , wherein the backing includes at least one of a foam or a polymeric film.7. The stretch releasable adhesive article of claim 6 , wherein the foam has a density of at least 2 pounds per cubic foot and less than about 30 pounds per cubic foot.8. The ...

Optically clear adhesives for durable plastic bonding

The present invention is a copolymer of a monomer mixture including about 25 to about 80 parts by mass of an alkyl (meth)acrylate, approximately 15 to approximately 50 parts by mass of a hydroxyl group-containing monomer, and approximately 5 to approximately 25 parts by mass of a macromer having a glass transition temperature (Tg) of approximately 50° C. or higher. The copolymer contains substantially no acidic groups.

POLYDIORGANOSILOXANE POLYOXAMIDE COPOLYMERS

Polydiorganosiloxane polyoxamide, linear, block copolymers and methods of making the copolymers are provided. The method of making the copolymers involves reacting a diamine with a precursor having at least one polydiorganosiloxane segment and at least two oxalyamino groups. The polydiorganosiloxane polyoxamide block copolymers are of the (AB)type. 2. The compound of claim 1 , wherein Ris methyl.3. The compound of claim 1 , wherein at least 50 percent of the Rgroups are methyl.4. The compound of claim 1 , wherein each Ris an alkyl having 1 to 4 carbon atoms or a haloalkyl having 1 to 4 carbon atoms claim 1 , the alkyl or haloalkyl having a primary carbon atom or secondary carbon atom bonded to the adjacent oxy group.5. The compound of claim 1 , wherein each Ris a phenyl or a phenyl substituted with an alkyl having 1 to 4 carbon atoms claim 1 , with an alkoxy having 1 to 4 carbon atoms claim 1 , with a halo claim 1 , or with an alkoxycarbonyl having 2 to 5 carbon atoms.6. The compound of claim 1 , wherein each Y is an alkylene having 1 to 10 carbon atoms claim 1 , phenylene bonded to an alkylene having 1 to 10 carbon atoms claim 1 , or phenylene bonded to a first alkylene having 1 to 10 carbon atoms and to a second alkylene having 1 to 10 carbon atoms.7. The compound of claim 1 , wherein n is an integer of 0 to 500.8. The compound of claim 1 , wherein p is an integer of 1 to 4.10. The composition of claim 9 , wherein Ris methyl.11. The composition of claim 9 , wherein each Ris an alkyl having 1 to 4 carbon atoms or a haloalkyl having 1 to 4 carbon atoms claim 9 , the alkyl or haloalkyl having a primary carbon atom or secondary carbon atom bonded to the adjacent oxy group.12. The composition of claim 9 , wherein each Ris a phenyl or a phenyl substituted with an alkyl having 1 to 4 carbon atoms claim 9 , with an alkoxy having 1 to 4 carbon atoms claim 9 , with a halo claim 9 , or with an alkoxycarbonyl having 2 to 5 carbon atoms.13. The composition of claim 9 , wherein ...

POLYISOBUTYLENE BASED PASSIVATION ADHESIVE

The present invention is an adhesive composition for use in passivating metallic conductors in an electronic device including at least one low molecular weight polyisobutylene polymer having a weight average molecular weight of about 75,000 or lower, at least one high molecular weight polyisobutylene polymer having a weight average molecular weight of about 120,000 or higher, and optionally, at least one tackifier. Each of the polyisobutylenes and the optional tackifier has a halogen ion content of no more than 1 ppm. 1. An adhesive composition for use in passivating metallic conductors in an electronic device comprising:at least one low molecular weight polyisobutylene polymer having a weight average molecular weight of about 75,000 or lower;at least one high molecular weight polyisobutylene polymer having a weight average molecular weight of about 120,000 or higher; andoptionally, at least one tackifier,wherein each of the polyisobutylenes and the optional tackifier has a halogen ion content of no more than 1 ppm.2. An adhesive composition for use in passivating metallic conductors in an electronic device composition comprising:at least one low molecular weight polyisobutylene polymer having a weight average molecular weight of about 75,000 or lower;at least one high molecular weight polyisobutylene polymer having a weight average molecular weight of about 120,000 or higher;a passivating agent; andoptionally, at least one tackifier.3. The adhesive composition of for use in passivating an electronic device claim 1 , wherein the composition has a 60° C./5 minute creep compliance greater than 1.5×10−4.4. The adhesive composition of claim 2 , wherein the passivating agent is present in an amount of about 0.1% to about 3% based on total solids.5. The adhesive composition of claim 1 , wherein the tackifier is present and is a non-hydrogenated or hydrogenated aliphatic hydrocarbon tackifier.6. The adhesive composition for use in passivating an electronic device of claim ...

ARTICLE AND METHOD OF MAKING THE SAME

Article comprising an interpenetrating phase. Embodiments of the articles are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing. 1. An article comprising a material having a thickness , first and second generally opposed major surfaces , and first and second regions across the thickness , wherein the first region is adjacent the first major surface , a layer comprising a polymeric material on the first major surface , and the polymeric material also present within the first region as a single phase with the substrate , wherein the thickness of the first region is at least 0.01 micrometer , wherein the layer exhibits a random anisotropic nanostructured surface , and wherein the nanostructured anisotropic surface comprises nanoscale features having a height to width ratio of at least 2:1.2. The article of claim 1 , wherein the layer comprises a nanoscale phase dispersed in the polymeric material.3. The article of claim 2 , wherein the nanoscale phase is present in a range from 60 nm to 90 nm in size claim 2 , in a range from 30 nm to 50 in size claim 2 , and less than 25 nm in size claim 2 , and wherein the nanoscale phase is present in the range from 0.25 wt. % to 50 wt. % for sizes in the range from 60 nm to 90 nm claim 2 , 1 wt. % to 50 wt. % for sizes in a range from 30 nm to 50 nm claim 2 , and 0.25 wt. % to 25 wt. % for sizes less than 25 nm claim 2 , based on the total weight of the matrix and nanoscale phase.4. The article of claim 2 , wherein the nanoscale phase is present in a range from 60 nm to 90 nm in size claim 2 , in a range from 30 nm to 50 in size claim 2 , and less than 25 nm in size claim 2 , and wherein the nanoscale phase is present in the range from 0.1 vol. % to 35 vol. % for sizes in the range from 60 nm to 90 nm claim 2 , 0.1 vol. % to 25 vol. % for sizes in a range from 30 nm to 50 nm claim 2 , and 0.1 vol. % to 10 vol. % for sizes less than 25 nm claim 2 , based ...

PROTECTION OF NEW ELECTRO-CONDUCTORS BASED ON NANO-SIZED METALS USING DIRECT BONDING WITH OPTICALLY CLEAR ADHESIVES

The present invention is an adhesive composition for stabilizing an electrical conductor. The adhesive composition includes a base polymer and an additive to interfere with photo-oxidation of metals. When the adhesive composition is in contact with the electrical conductor, the electrical conductor has less than about a 20% change in electrical resistance over a period of about 500 hours of light exposure. 1. An adhesive composition for stabilizing an electrical conductor comprising:a base polymer; andan additive to interfere with photo-oxidation of metals;wherein when the adhesive composition is in contact with the electrical conductor, the electrical conductor has less than about a 20% change in electrical resistance over a period of about 500 hours of light exposure.2. The adhesive composition of claim 1 , wherein the additive is selected from the group consisting of: metal complexing materials claim 1 , anti-oxidants claim 1 , reducing agents claim 1 , metal complexing and reducing materials and combinations thereof.3. The adhesive composition of claim 1 , wherein the additive comprises up to about 5% by weight of the adhesive composition.4. The adhesive composition of claim 1 , wherein the additive comprises at least at about 0.1% by weight of the adhesive composition.5. The adhesive composition of claim 1 , wherein the additive comprises between about 0.5 and about 3% by weight of the adhesive composition.6. The adhesive composition of claim 1 , wherein the base polymer comprises one of a polyester claim 1 , polyurethane claim 1 , polyurea claim 1 , polyamide claim 1 , silicone claim 1 , polyolefin claim 1 , acrylic block copolymer claim 1 , rubber block copolymer or random (meth)acrylic copolymer.7. The adhesive composition of claim 6 , wherein the base polymer is a random (meth)acrylic copolymer.8. The adhesive composition of claim 1 , wherein the electrical conductors are based on metallic conductors.9. The adhesive composition of claim 8 , wherein the ...

PARTICLES HAVING VARYING REFRACTIVE INDEX

Particles having a first region and a second region surrounding the first region where the second region includes a copolymer extending across a thickness of the second region are described. The volume of the second region is at least 75 percent of the volume of the particle. The particles have a composition and a refractive index that each vary across the thickness of the second region. 1. A particle having a first region and a second region surrounding the first region , wherein a volume of the second region is at least 75 percent of a total volume of the particle , wherein the second region comprises a copolymer extending across a thickness of the second region , and wherein the particle has a composition and a refractive index that each varies across the thickness of the second region.2. The particle of claim 1 , wherein a difference between a maximum refractive index in the second region and a minimum refractive index in the second region is at least 0.05.3. The particle of claim 1 , wherein the composition and the refractive index each varies continuously across the thickness of the second region4. The particle of claim 3 , wherein an absolute value of a derivative of the refractive index with respect to a radial coordinate monotonically increases with increasing radial coordinate across at least 80 percent of the thickness of the second region.5. The particle of claim 1 , wherein the second region comprises a plurality of mutually concentric layers claim 1 , each layer having a substantially constant refractive index claim 1 , wherein adjacent layers have different refractive indices.6. The particle of claim 5 , further comprising transition regions between adjacent layers claim 5 ,wherein each of the transition regions have a continuously varying refractive index and a thickness less than about ⅓ of a minimum thickness of the immediately adjacent layers.7. A composition comprising:a substantially transparent matrix having a first refractive index; and{'claim ...

CONDUCTIVE TRACE HIDING MATERIALS, ARTICLES, AND METHODS

An article includes a patterned substrate including a substrate surface with an inorganic electro-conductive trace adjacent thereto (wherein the substrate and the inorganic material of the trace each has an index of refraction), and a layer including a polymerized acrylate matrix adjacent to at least a portion of the surface of the substrate and the inorganic electro-conductive trace, wherein the layer has an index of refraction that is within ±10% of the average of the indices of refraction of the substrate and the inorganic material of the trace. 1. An article comprising:a patterned substrate comprising a substrate surface with an inorganic electro-conductive trace adjacent thereto, wherein the substrate and the inorganic material of the trace each has an index of refraction; anda layer comprising a polymerized acrylate matrix adjacent to at least a portion of the surface of the substrate and the inorganic electro-conductive trace, wherein the polymerized acrylate matrix has an index of refraction that is within ±10% of the average of the indices of refraction of the substrate and the inorganic material of the trace.2. The article of wherein the polymerized acrylate matrix comprises inorganic nanoparticles dispersed therein.3. The article of wherein the inorganic nanoparticles are present in the polymerized acrylate matrix in an amount of no greater than 60 volume percent.4. The article of wherein the inorganic nanoparticles comprise zirconia claim 2 , titania claim 2 , ZnS claim 2 , ZnO claim 2 , tin oxides claim 2 , antimony oxides claim 2 , or combinations thereof.5. The article of wherein the inorganic nanoparticles are surface-modified inorganic nanoparticles.6. The article of wherein a surface-modified inorganic nanoparticle comprises a surface modifier comprising silane functionality claim 5 , hydroxyurea functionality claim 5 , acid functionality claim 5 , or combinations thereof.7. The article of wherein the polymerized acrylate matrix has an index of ...

ACRYLIC BLOCK COPOLYMER-BASED ASSEMBLY LAYER FOR FLEXIBLE DISPLAYS

The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors including an acrylic block copolymer including (a) at least two A block polymeric units that are the reaction product of a first monomer composition comprising an alkyl methacrylate, an aralkyl methacrylate, an aryl methacrylate, or a combination thereof, wherein each A block has a Tg of at least about 50° C., and wherein the acrylic block copolymer comprises about 5 to about 50 weight percent A block, and (b) at least one B block polymeric unit that is the reaction product of a second monomer composition comprising an alkyl (meth)acrylate, a heteroalkyl (meth)acrylate, a vinyl ester, or a combination thereof, wherein the B block has a Tg no greater than about 10° C., and wherein the acrylic block copolymer comprises about 50 to about 95 weight percent B block. Within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 rad/sec that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×10 1. An assembly layer for a flexible device , wherein the assembly layer is derived from precursors comprising: at least two A block polymeric units that are the reaction product of a first monomer composition comprising an alkyl methacrylate, an aralkyl methacrylate, an aryl methacrylate, or a combination thereof, wherein each A block has a Tg of at least about 50° C., and wherein the acrylic block copolymer comprises about 5 to about 50 weight percent A block; and', 'at least one B block polymeric unit that is the reaction product of a second monomer composition comprising an alkyl (meth)acrylate, a heteroalkyl (meth)acrylate, a vinyl ester, or a combination thereof, wherein the B block has a Tg no greater than about 10° C., and wherein the acrylic block copolymer comprises about 50 to about 95 weight percent B block;, 'an acrylic block copolymer comprising{'sup': '−6', ' ...

Polyisobutylene adhesive comprising polyolefin copolymer additive

An adhesive composition are articles are described. The adhesive composition comprises a polyisobutylene polymer component; up to 20 wt.-% of a polyolefin copolymer comprising polymerized units of an acidic monomer; and optionally, at least one tackifier. The polyolefin copolymer typically comprises C 2 -C 4 alkylene units. The polyolefin copolymer comprises polymerized units of a carboxylic acid, or unsaturated derivative thereof. In some embodiments, the polyolefin copolymer has a melting temperature ranging from 50 to 150° C. In some embodiments, the polyolefin copolymer has an acid number of less than 40, 35, 30, or 25 mgKOH/g.

DISPLAY DEVICES CONTAINING POLYMERIC FILMS

Display devices that include: an organic light emitting diode panel having a multilayer construction including one or more adhesive films; and a polymeric film incorporated within the multilayer construction of the organic light emitting diode panel. The polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes: a first polymer region including a first material having a refractive index of n; a second region including a network of interconnected pores and channels within the first polymer region; wherein the pores and channels comprise a second material having a refractive index of n; wherein nis different than n; wherein the first material includes a first elastic polymeric material and optional particles; and wherein the second material includes: a second polymeric material and optional particles; and/or air; and wherein the polymeric film has: a clarity of at least 90%; a visible light transmission of at least 80%; and a bulk haze of 25% to 80%. 1. A display device comprising:an organic light emitting diode panel having a multilayer construction comprising one or more adhesive films; anda polymeric film incorporated within the multilayer construction of the organic light emitting diode panel; [{'sub': '1', 'a first polymer region comprising a first material having a refractive index of n;'}, 'a second region comprising a network of interconnected pores and channels within the first polymer region;', {'sub': '2', 'wherein the channels comprise a second material having a refractive index of n; and'}, 'wherein the first material comprises a first elastic polymeric material and optional particles; and', 'a second polymeric material and optional particles; and/or air; and', 'wherein the second material comprises], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises, 'wherein the polymeric film comprises a clarity of at least 90%;', 'a visible light transmission of ...

NANOSTRUCTURED MATERIAL AND METHOD OF MAKING THE SAME

Nanostructured material exhibiting a random anisotropic nanostructured surface, and exhibiting an average reflection at 60 degrees off angle less than 1 percent. The nanostructured materials are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing. 1. A nanostructured material comprising a polymeric matrix and a nanoscale dispersed phase , exhibiting a random anisotropic nanostructured surface , and exhibiting an average reflection at 60 degrees off angle less than 1 percent.2. (canceled)3. The nanostructured material of claim 1 , wherein the nanoscale phase is present in a range from 60 nm to 90 nm in size claim 1 , in a range from 30 nm to 50 in size claim 1 , and less than 25 nm in size claim 1 , and wherein the nanoscale phase is present in a range from 0.25 wt. % to 50 wt. % for sizes in the range from 60 nm to 90 nm claim 1 , 1 wt. % to 50 wt. % for sizes in a range from for sizes in the range from 30 nm to 50 nm claim 1 , and 0.25 wt. % to 25 wt. % for sizes less than 25 nm claim 1 , based on the total weight of the polymeric matrix and nanoscale phase.4. The nanostructured material of claim 12 , wherein the nanoscale phase is present in a range from 60 nm to 90 nm in size claim 12 , in a range from 30 nm to 50 in size claim 12 , and less than 25 nm in size claim 12 , and wherein the nanoscale phase is present in the range from 0.1 vol.% to 35 vol.% for sizes in the range from 60 nm to 90 nm claim 12 , 0.1 vol.% to 25 vol.% for sizes in a range from 30 nm to 50 nm claim 12 , and 0.1 vol.% to 10 vol.% for sizes less than 25 nm claim 12 , based on the total volume of the polymeric matrix and nanoscale phase.5. The nanostructured material of claim 1 , wherein the nanoscale phase comprises submicrometer particles.6. The nanostructured material of claim 1 , wherein the submicrometer particles are covalently bonded to the polymeric matrix.7. The nanostructured material of that is a layer.8. ...

HEAT DETACHABLE ADHESIVE CONSTRUCTIONS, ARTICLES MADE THEREFROM AND METHOD OF USE THEREOF

An adhesive article includes a first substrate, a first adhesive layer positioned adjacent the first substrate, a second substrate, and a first meltable layer positioned adjacent to the first adhesive layer and the second substrate. The meltable layer has a ring and ball (R&B) softening point of between about 60° C. and about 180° C. 1. An adhesive article comprising:a first substrate;a first adhesive layer positioned adjacent the first substrate;a second substrate; anda first meltable layer positioned adjacent to the first adhesive layer and the second substrate, wherein the meltable layer has a ring and ball (R&B) softening point of between about 60° C. and about 180° C.2. The adhesive article of claim 1 , further comprising a second adhesive layer claim 1 , wherein the first meltable layer is positioned between the first adhesive layer and the second adhesive layer.3. The adhesive article of claim 2 , further comprising a second meltable layer claim 2 , wherein the second meltable layer is positioned between the first adhesive layer and the second adhesive layer.4. The adhesive article of claim 3 , further comprising a film layer.5. The adhesive article of claim 1 , further comprising a second meltable layer claim 1 , wherein the first adhesive layer is positioned between the first meltable layer and the second meltable layer6. The adhesive article of claim 1 , wherein the R&B softening point of the first meltable layer is between about 60° C. and about 120° C.7. The adhesive tape of claim 1 , wherein the R&B softening point of the first meltable layer is between about 80° C. and about 100° C.8. The adhesive article of claim 1 , wherein the meltable layer at melt temperature fails a static shear test in less than 100 minutes measured with a 1.56 cmtape sample attached between two substrates and loaded with 1 kg weight.9. The adhesive article of claim 1 , wherein the first meltable layer is positioned adjacent an ITO trace.10. The adhesive article of claim 1 , ...

POLYMERIC FILMS AND DISPLAY DEVICES CONTAINING SUCH FILMS

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index ni; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein ni is different than n. 1. A polymeric film comprising: [{'sub': '1', 'a first polymeric matrix having a refractive index n; and'}, {'sub': '2', 'particles having a refractive index nuniformly dispersed within the first polymeric matrix;'}, 'wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nm to 3000 nm; and', {'sub': 1', '2, 'wherein nis different than n;'}], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises a clarity of at least 80%;', 'a visible light transmission of at least 85%;', 'a bulk haze of 15% to 80%; and', 'a normalized micro-haze non-uniformity of not more than 12% across the polymeric film., 'wherein the polymeric film has2. The polymeric film of further comprising a second polymeric layer disposed on one major surface of the first polymeric layer; wherein the second polymeric layer comprises a second polymeric matrix having a refractive index n; wherein the first polymeric matrix and the second polymeric matrix are the same or different; and wherein at least one of the first polymeric matrix and the second polymeric matrix is an adhesive matrix.3. The polymeric film of wherein the first polymeric matrix and the second polymeric matrix each comprises an ...

Antistatic block copolymer pressure sensitive adhesives and articles

An antistatic pressure sensitive adhesive composition, useful in electronic and optical display applications, comprising an antistatic agent and a first block copolymer comprising at least two hard A block polymeric units each independently having a Tg of at least 50° C., and at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20° C. The composition can comprise a second block copolymer. Articles comprising an antistatic pressure sensitive adhesive composition adjacent a first surface of a substrate.

LOW MOISTURE ABSORBING OPTICALLY CLEAR ADHESIVE FOR A METALLIC CONDUCTOR

An optically clear adhesive composition is provided that is derived from precursors that include from about 0 to about 50 parts by weight of an alkyl acrylate having 1-11 carbon atoms in the alkyl group, from about 40 to about 95 parts by weight of an alkyl acrylate having 12 or more carbon atoms in the alkyl group, from about 5 to about 20 parts by weight of a copolymerizable polar monomer, and an initiator. The adhesive composition has a moisture content of less than about 1.0% when the adhesive is positioned in between two release films and placed in an environment of 85 C/85% relative humidity for 72 hours and then cooled down to room temperature. Moreover, when the adhesive composition is placed between two transparent substrates and made into a laminate, the laminate has a haze value of less than about 5% after the laminate is placed in an environment of 85 C/85% relative humidity for 72 hours and then cooled down to room temperature. 1. An optically clear adhesive composition that is derived from precursors that comprise:from about 0 to about 50 parts by weight of an alkyl acrylate having 1-11 carbon atoms in the alkyl group;from about 40 to about 95 parts by weight of an alkyl acrylate having 12 or more carbon atoms in the alkyl group;from about 5 to about 20 parts by weight of a copolymerizable polar monomer; andan initiator,wherein the adhesive composition has a moisture content of less than about 1.0%, andwherein when the adhesive composition is placed between two transparent substrates and made into a laminate, the laminate has a haze value of less than about 5% after the laminate is placed in an environment of 85° C./85% relative humidity for 72 hours.2. The optically clear adhesive composition of claim 1 , wherein when the adhesive composition is placed between two transparent substrates and made into a laminate and wherein at least one of the transparent substrates and the adhesive composition is coated with a metallic conductor claim 1 , the laminate ...

ORGANIC LIGHT EMITTING DIODE DISPLAY WITH COLOR-CORRECTION COMPONENT AND METHOD OF MAKING SAME

An OLED display including a display panel and a color-correction component is described. A plurality of comparative display panels otherwise equivalent to the display panel but having one or more different optical thicknesses of OLED layers have a maximum white-point color shift from 0 to 45 degrees of WPCSand a white-point axial efficiency of WPAE. The plurality of comparative display panels defines a performance curve along a boundary of performance points. The OLED display and the display panel have respective maximum white-point color shifts from 0 to 45 degrees of WPCSand WPCSand respective white-point axial efficiencies of WPAE and WPAE. WPCSand WPAEdefines a performance point of the display panel to the right of the performance curve and WPCSand WPAE defines a performance point of the OLED display above or to the left of the performance curve. Methods of making the OLED display are described. 120-. (canceled)21. An organic light emitting diode (OLED) display comprising:{'sup': 0', '0, 'sub': '45', 'a pixelated OLED display panel having a maximum white-point color shift as a view angle varies from 0 to 45 degrees of WPCSand a white-point axial efficiency of WPAE, the pixelated OLED display panel comprising a plurality of pixels, each pixel comprising a plurality of subpixels, each subpixel comprising a plurality of OLED layers; and'}{'sub': '45', 'a color-correction component disposed on the pixelated OLED display panel, the color-correction component configured such that the display has a maximum white-point color shift as a view angle varies from 0 to 45 degrees of WPCSand a white-point axial efficiency of WPAE,'}{'sup': C', 'C', 'C, 'sub': 45', '45, 'wherein each comparative display panel in a plurality of comparative display panels otherwise equivalent to the pixelated OLED display panel but having one or more different optical thicknesses of the OLED layers has a maximum white-point color shift as a view angle varies from 0 to 45 degrees of WPCSand a ...

ADHESIVE ARTICLE

The present invention comprises adhesive articles, adhesive compositions, and release liners. The release liners include silicone-based release formulations that can provide average and static release forces desirable for converting and handling soft adhesives, particularly adhesives of the type used in the electronics industry. In one embodiment, the silicone-based formulations include addition-cure silicone-based release formulations. 1. An adhesive article comprising a release liner having a release layer and at least one adhesive layer adjacent to the release layer;wherein the release layer comprises a crosslinked silicone polymer and has a coefficient of friction of at least about 0.4; andwherein the adhesive layer comprises an adhesive composition that maintains a tan delta value of at least about 0.5 at a temperature of between about 25° C. and about 100° C.2. The adhesive article of claim 1 , wherein the release layer has a coefficient of friction of at least about 0.6.3. (canceled)4. The adhesive article of claim 1 , wherein the crosslinked silicone polymer is derived from at least one reactive silicone precursor claim 1 , wherein the silicone precursor comprises two or more reactive groups.5. The adhesive article of claim 4 , wherein the reactive groups comprise epoxy claim 4 , acrylate claim 4 , silanol claim 4 , alkoxylsilane claim 4 , acyloxysilane or ethylenically unsaturated groups.6. The adhesive article of claim 1 , wherein the crosslinked silicone polymer is derived from at least one silicone precursor comprising two or more epoxy or acrylate groups.7. The adhesive article of claim 1 , wherein the crosslinked silicone polymer is derived from at least one silicone precursor comprising two or more silanol or ethylenically unsaturated groups and at least one hydride-functional silicone crosslinker.8. The adhesive article of claim 4 , wherein at least one reactive silicone precursor is a reactive silicone gum comprising at least one type of reactive ...

CURABLE AND CURED ADHESIVE COMPOSITIONS

Curable adhesive compositions are provided that can be cured using ultraviolet or visible light radiation. These curable adhesive compositions, which contain a curable (meth)acrylate copolymer, have a creep compliance that is less than 5(10) inverse Pascals at 25° C., a creep compliance that is greater than 1(10) inverse Pascals at 70° C., and a shear storage modulus greater than 40 kiloPascals when measured at 25° C. at a frequency of 1 radian/second. 2. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer further comprises a fifth monomeric unit that is a nitrogen-containing monomeric unit not of Formula (II).3. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer is free or substantially free of monomeric units derived from a vinyl ester monomer or an anhydride-containing monomer.4. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer has a glass transition temperature equal to at least −15° C. when measured using Dynamic Mechanical Analysis at a frequency of 1 radian/second.5. A cured adhesive composition comprising a cured (meth)acrylate copolymer claim 1 , the cured adhesive composition being a reaction product resulting from exposing a curable adhesive composition to ultraviolet or visible light radiation claim 1 , wherein the curable adhesive composition is of .6. The cured adhesive composition of claim 5 , wherein the cured adhesive composition is optically clear.7. An article comprising a first substrate and a layer of the curable adhesive composition of positioned adjacent to the first substrate.8. The article of claim 7 , wherein the layer of the curable adhesive composition is a die-cut film.9. The article of claim 7 , wherein the first substrate is a release liner.10. The article of claim 8 , wherein the article further comprises a second substrate and the die-cut film is positioned between the first substrate that is the release liner and ...

WARM MELT OPTICALLY CLEAR ADHESIVES AND THEIR USE FOR DISPLAY ASSEMBLY

A viscoelastic adhesive composition is provided, wherein at a dispensing temperature of between 35° C. and 120° C., the viscoelastic adhesive composition can be discretely dispensed and has a tan delta of at least 1 as determined by dynamic mechanical analysis at a frequency of 1 Hz and a complex viscosity of less than 5×10Pascal-sec at a complex viscosity of less than 5×10Pascal-sec at a frequency of about 10 radians s. Such adhesives have been found useful in forming optical assemblies for producing display panels used in a variety of electronic devices. 1. A viscoelastic adhesive composition for use in piece part coating , wherein at a dispensing temperature of between about 35° C. and about 120° C. , the viscoelastic adhesive composition can be discretely dispensed and has a tan delta of at least about 1 as determined by dynamic mechanical analysis at a frequency of 1 Hz and a complex viscosity of less than about 5×10Pascal-sec at a frequency of about 10 radians·s2. The viscoelastic adhesive composition of claim 1 , wherein the viscoelastic adhesive composition has a Trouton ratio of between about 3 and about 100 at a dispensing temperature of between about 35° C. and about 120° C.3. The viscoelastic adhesive composition of claim 2 , wherein the viscoelastic adhesive composition has a Trouton ratio of between about 3 and about 50 at a dispensing temperature of between about 35° C. and about 120° C.4. The viscoelastic adhesive composition of claim 3 , wherein the viscoelastic adhesive composition has a Trouton ratio of between about 3 and about 25 a dispensing temperature of between about 35° C. and about 120° C.5. The viscoelastic adhesive composition of claim 1 , wherein the viscoelastic adhesive composition has a complex viscosity of less than about 10Pa·sec at a frequency of about 10 radians·s.6. The viscoelastic adhesive composition of claim 1 , wherein the viscoelastic adhesive composition has a complex viscosity of between about 500 and about 10Pascal-sec ...

SILICONE-BASED ASSEMBLY LAYERS FOR FLEXIBLE DISPLAY APPLICATIONS

The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors in eluding at least one of a physically cross-linked silicone elastomer and a covalently cross-linked silicone elastomer forming reagent mixture, and a MQ resin. Within a temperature range of between about −30 C to about 90 C, the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×101/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress. 1. An assembly layer for a flexible device , wherein the assembly layer is derived from precursors comprising:a physically cross-linked silicone elastomer or a covalently cross-linked silicone elastomer forming reagent mixture; anda MQ resin;{'sup': '−6', 'wherein within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×101/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress.'}2. The assembly layer of claim 1 , wherein the assembly layer is optically clear.3. The assembly layer of claim 2 , wherein when the assembly layer is placed between two transparent substrates and made into a laminate claim 2 , the laminate has a haze value of less than about 5% after the laminate is placed in an environment of 70° C./90% relative humidity for 72 hours and then cooled to room temperature.4. The ...

ABRASIVE ARTICLE AND METHOD OF MAKING THE SAME

An abrasive article comprises abrasive particles adhered to a substrate by a binder material comprising an at least partially cured resole phenolic resin and an aliphatic tack modifier. The amount of resole phenolic resin comprises from 60 to 98 weight percent of the combined weight of the resole phenolic resin and the aliphatic tack modifier. A method of making the abrasive article is also disclosed. 1. A method of making an abrasive article comprising:disposing a curable tacky adhesive composition on a substrate, wherein the tacky curable adhesive composition comprises a resole phenolic resin and an aliphatic tack modifier, and wherein the amount of resole phenolic resin comprises from 60 to 98 weight percent of the combined weight of the resole phenolic resin and the aliphatic tack modifier;adhering abrasive particles to the curable tacky adhesive composition; andat least partially curing the curable tacky adhesive composition.2. The method of claim 1 , wherein the aliphatic tack modifier is selected from the group consisting of aliphatic rosins and derivatives thereof claim 1 , liquid hydrocarbon resins claim 1 , solid hydrocarbon resins claim 1 , liquid natural rubbers claim 1 , hydrogenated polybutadienes claim 1 , polytetramethylene ether glycols claim 1 , copolymers of isooctyl acrylate and acrylic acid claim 1 , and aliphatic zwitterionic amphiphilic acrylic polymers.3. The method of claim 1 , wherein the amount of resole phenolic resin comprises from 90 to 98 weight percent of the combined weight of the resole phenolic resin and the aliphatic tack modifier.4. The method of claim 1 , wherein the abrasive particles comprise shaped abrasive particles.5. The method of claim 4 , wherein the shaped abrasive particles comprise precisely-shaped abrasive particles.6. The method of claim 4 , wherein the shaped abrasive particles comprise precisely-shaped triangular platelets.7. The method of claim 1 , wherein the substrate comprises a planar backing member having ...

FLEXIBLE DISPLAYS WITH INTERLOCKING DEVICES

At least some aspects of the present disclosure feature a flexible display including a first layer and a second layer, a bonding layer disposed between the first layer and the second layer. The bonding layer includes an interlocking device. The interlocking device includes a first interlocking component and a second interlocking component configured to engage with the first interlocking component such that the engagement prevent the separation of the first layer from the second layer. 1. A flexible display , comprising:a first layer and a second layer,a bonding layer disposed between the first layer and the second layer, wherein the bonding layer comprises an interlocking device,wherein the interlocking device comprises a first interlocking component attached to or integrated with the first layer and a second interlocking component attached to or integrated with the second layer configured to engage with the first interlocking component such that the engagement prevent the separation of the first layer from the second layer along a direction generally perpendicular to a surface of the second layer.2. The flexible display of claim 1 , wherein the interlocking device has a height no more than 10 mm.3. The flexible display of claim 1 , wherein the interlocking device further comprises an optical coupler between the first interlocking component and the second interlocking component.4. The flexible display of claim 3 , wherein the optical coupler is liquid claim 3 , adhesive claim 3 , gel claim 3 , or a combination thereof.5. The flexible display of claim 4 , wherein the optical coupler has a refractive index having an absolute different less than or equal to 0.05 from a refractive index of the interlocking device.6. The flexible display of claim 1 , wherein the interlocking device is optically clear.7. The flexible display of claim 1 , wherein the first or the second interlocking component comprises a plurality of engagement elements.8. The flexible display of claim 7 , ...

OPTICAL BODY INCLUDING MULTILAYER OPTICAL FILM AND THIN ADHESIVE LAYER

Optical bodies are described. In particular, optical bodies having a birefringent multilayer optical film and a continuous adhesive layer with a thickness less than 20 micrometers are described. Optical bodies described herein exhibit reduced occurrence and severity of a non-uniformity defect known as “orange peel.” 1. An optical body , comprising:a birefringent multilayer optical film;a continuous adhesive layer disposed on a first major surface of the birefringent multilayer optical film; anda polymeric liner disposed on the continuous adhesive layer;wherein the continuous adhesive layer has a thickness less than 20 micrometers and includes an adhesive derived from a solution having a viscosity between 10 and 50,000 cps.2. The optical body of claim 1 , further comprising a hardcoat layer on the birefringent multilayer optical film on a second major surface opposite the first major surface.3. The optical body of claim 1 , wherein the birefringent multilayer optical film is thicker than 35 micrometers.4. The optical body of claim 1 , wherein the birefringent multilayer optical film includes at least two optical packets claim 1 , wherein the at least two optical packets have thicknesses that overlap by at least 80%.5. The optical body of claim 1 , wherein the adhesive of the continuous adhesive layer includes an acrylate adhesive.6. An optical body claim 1 , comprising:a birefringent multilayer optical film;a continuous adhesive layer disposed on a first major surface of the birefringent multilayer optical film; anda glass or plastic substrate layer attached to the multilayer optical film via the continuous adhesive layer;wherein the continuous adhesive layer has a thickness less than 20 micrometers; andwherein the optical body, measured through the glass or plastic substrate layer with an interferometer, has an Ra surface roughness of less than 40 nm.7. The optical body of claim 6 , further comprising a hardcoat layer on the birefringent multilayer optical film on a ...

POLYMERIC FILMS AND DISPLAY DEVICES CONTAINING SUCH FILMS

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first a polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein nis different than n. 1. A polymeric film comprising: [{'sub': '1', 'a first polyolefin-based low WVTR adhesive polymeric matrix having a refractive index n; and'}, {'sub': '2', 'particles having a refractive index nuniformly dispersed within the first polymeric matrix;'}, 'wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nm to 3000 nm; and', {'sub': 1', '2, 'wherein nis different than n;'}], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises a clarity of at least 80%;', 'a visible light transmission of at least 85%; and', 'a bulk haze of 15% to 80%., 'wherein the polymeric film has2. The polymeric film of further comprising a second polymeric layer disposed on one major surface of the first polymeric layer; wherein the second polymeric layer comprises a second polymeric matrix having a refractive index n; wherein the first polymeric matrix and the second polymeric matrix are the same or different.3. The polymeric film of wherein the second polymeric matrix comprises an adhesive matrix.4. The polymeric film of wherein the first adhesive matrix is different than the second adhesive matrix.5. The polymeric film of wherein nis within 0.2 unit ...

MICRO-STRUCTURED OPTICALLY CLEAR ADHESIVES

A micro-structured optically clear adhesive, including a first major surface and a second major surface, wherein at least one of the first and second major surfaces comprises a micro-structured surface of interconnected micro-structures in at least one of the planar dimensions (x-y), is disclosed. The micro-structured optically clear adhesive has a tan delta value of at least about 0.3 at a lamination temperature and is non-crosslinked or lightly crosslinked. The micro-structured surface may include indentations having a depth of between about 5 and about 80 microns. A method of laminating a first substrate and a second substrate without the use of a vacuum is provided. The method includes providing a micro-structured optically clear adhesive, removing a release liner from a first side of the micro-structured optically clear adhesive, contacting the first side of the micro-structured optically clear adhesive with a surface of the first substrate, removing a micro-structured release liner from a second side of the micro-structured optically clear adhesive to expose a micro-structured surface, and contacting the micro-structured surface with a surface of the second substrate. 1. An optically clear adhesive comprising:a first major surface and a second major surface;wherein at least one of the first and second major surfaces comprises a micro-structured surface of interconnected micro-structures in at least one planar (x-y) dimension;wherein the optically clear adhesive has a tan delta value of at least about 0.3 at a lamination temperature; andwherein the optically clear adhesive is non-crosslinked or lightly crosslinked.2. The optically clear adhesive of claim 1 , wherein the micro-structured surface comprises interconnected features in at least two planar dimensions.3. The optically clear adhesive of claim 1 , wherein the micro-structured surface comprises indentations having a depth of between about 5 and about 80 microns.4. The optically clear adhesive of claim 1 ...

FLEXIBLE DISPLAYS HAVING STIFF LAYERS FOR NEUTRAL PLANE ADJUSTMENT

At least some aspects of the present disclosure feature a flexible display including a plurality of functional layers, a plurality of bonding layers, and a stiff layer. Each of the plurality of bonding layers is disposed between two adjacent functional layers. The stiff layer having an elastic modulus greater than elastic modulus of the plurality of functional layers to adjust a position of a neutral plane of the flexible display within the display layer. 1. A flexible display , comprising:a plurality of functional layers comprising a display layer having a display component,a plurality of bonding layers comprising a bonding component, each of the plurality of bonding layers is disposed between two adjacent functional layers, anda stiff layer having an elastic modulus greater than elastic modulus of the plurality of functional layers to adjust a position of a neutral plane of the flexible display within the display layer.2. The flexible display of claim 1 , wherein the stiff layer is disposed below a first layer of the plurality of functional layers claim 1 , the first layer above the display layer.3. The flexible display of or claim 1 , wherein the stiff layer is disposed above a second layer of the plurality of functional layers claim 1 , the second layer below the display layer.4. The flexible display of any one of - claim 1 , wherein the stiff layer is disposed below a second layer of the plurality of functional layers claim 1 , the second layer below the display layer.5. The flexible display of any one of - claim 1 , wherein a thickness of the stiff layer is selected at least in part based on at least one of the plurality of functional layers' elastic modulus.6. The flexible display of any one of - claim 1 , wherein a thickness of the stiff layer is selected at least in part based on at least one of the plurality of functional layers' thickness.7. The flexible display of any one of - claim 1 , wherein a thickness of the stiff layer is selected at least in part ...

FLEXIBLE DISPLAYS WITH INTERLOCKING DEVICES

Flexible displays that include an interlocking device. 1. A flexible display , comprising:a first layer and a second layer,wherein the first layer comprises a viewing area for viewing an image from the flexible display,a bonding layer comprising an optically clear material, which bonding layer is disposed between the first layer and the second layer, wherein the bonding layer comprises an interlocking device,wherein the interlocking device comprises a first interlocking component attached to or integrated with the first layer and a second interlocking component attached to or integrated with the second layer configured to engage with the first interlocking component such that the engagement prevent the separation of the first layer from the second layer along a direction generally perpendicular to a surface of the second layer,wherein the bonding layer comprises an optically clear material, andwherein at least part of the interlocking device is disposed within the viewing area.2. The flexible display of claim 1 , wherein at least part of the interlocking device disposed within the viewing area comprises the optically clear material.3. The flexible display of claim 2 , wherein the interlocking device has a height of less than or equal to 0.05.4. The flexible display of claim 1 , wherein the first or the second interlocking component comprises a plurality of engagement elements.5. The flexible display of claim 4 , wherein at least some of the engagement elements form a sliding channel6. The flexible display of claim 4 , wherein at least some of the engagement elements has a cross-sectional shape having a stem and a cap wider than the stem.7. The flexible display of claim 1 , wherein the first or the second interlocking component comprises a plurality of engagement rails.8. The flexible display of claim 7 , wherein at least some of the engagement rails extends from the first or second layer along an axis slanted from the corresponding layer.9. The flexible display of ...

TRANSPARENT CONDUCTORS INCLUDING METAL TRACES AND METHODS OF MAKING SAME

A transparent conductor is provided, including a visible light transparent substrate and metal traces disposed on the substrate, and a layer of a second metal deposited on at least a portion of the metal traces. The transparent conductor further includes a layer of a second metal, which conforms to the surface structure of the metal traces on which it is deposited. Optionally, the transparent conductor also includes a coating layer disposed on a portion of the metal traces and the substrate surface. The coating layer includes a polymer prepared from a polymerizable composition containing at least one ionic liquid monomer. A method of forming a transparent conductor is also provided, including obtaining a visible light transparent substrate having metal traces disposed on the substrate and applying a coating composition on a portion of the metal traces and substrate. The coating composition contains at least one noble metal salt and at least one polymerizable ionic liquid monomer. 1. A transparent conductor comprising:a visible light transparent substrate;a plurality of metal traces disposed on a major surface of the substrate, the plurality of metal traces comprising a metal mesh, the metal traces comprising a first metal and having a structured surface; anda layer of a second metal deposited on a portion of the structured surface of the plurality of metal traces, wherein the layer conforms to the portion of the structured surface on which it is deposited.2. The transparent conductor of claim 1 , wherein the second metal comprises gold claim 1 , platinum claim 1 , or palladium.3. A transparent conductor comprising:a visible light transparent substrate;a plurality of metal traces disposed on a major surface of the substrate, the metal traces comprising a first metal;a layer of a second metal deposited on a portion of the plurality of metal traces; anda coating layer disposed on the layer of the second metal and at least a portion of the visible light transparent ...

NANOSTRUCTURED MATERIAL AND METHOD OF MAKING THE SAME

Nanostructured material exhibiting a random anisotropic nanostructured surface, and exhibiting an average reflection at 60 degrees off angle less than 1 percent. The nanostructured materials are useful, for example, for optical and optoelectronic devices, displays, solar, light sensors, eye wear, camera lens, and glazing. 111.-. (canceled)12. A method of making a nanostructured layer comprising a polymeric matrix and a nanoscale dispersed phase , the layer having a random anisotropic nanostructured surface , the random anisotropic nanostructured surface having an average reflection at 60 degrees off angle less than 1 percent , the layer having a thickness of at least 500 nm , and the layer having a visible light transmission through the thickness of the layer at 90 degrees to the random anisotropic nanostructured surface of at least 94 percent , the method comprising:providing a polymeric matrix comprising a nanodispersed phase; andanisotropically etching the polymeric matrix using plasma to form the random nanostructured surface.13. The method of claim 12 , wherein the polymeric matrix is etched to a depth of at least in a range from 200 nm to 500 nm.14. A method of making a nanostructured layer comprising a polymeric matrix and a nanoscale dispersed phase claim 12 , the layer having a random anisotropic nanostructured surface claim 12 , the random anisotropic nanostructured surface having an average reflection at 60 degrees off angle less than 1 percent claim 12 , the layer having a thickness of at least 500 nm claim 12 , and the layer having a visible light transmission through the thickness of the layer at 90 degrees to the random anisotropic nanostructured surface of at least 94 percent claim 12 , the method comprising:providing a polymeric matrix comprising a nanodispersed phase; andetching at least a portion of the polymeric matrix using plasma to form the random nanostructured surface.15. The method of claim 12 , wherein the nanoscale phase is present in a ...

MULTI-LAYER, OPTICALLY CLEAR ADHESIVES WITH SLIP LAYER

The present invention is a multi-layer optically clear adhesive construction having at least one adhesive slip layer. Exemplary constructions comprise an adhesive core layer and at least one slip layer. The slip layer provides enhanced reworkability of the final assembly and also alleviates bonding process induced stress. The slip layer is represented by a curable adhesive layer having a tan delta of at least 0.8 at a temperature of 100° C. at 1 Hz. The adhesives described herein may be used in display assemblies to provide optical and mechanical coupling of substrates in the device. 1. An article comprising:a core film layer having a first surface and a second surface, wherein the core film layer is optically clear or optically active; and wherein the first curable adhesive layer is optically clear, and', 'wherein the first curable adhesive layer has a tan delta of at least 0.8 at a temperature of 100° C. at 1 Hz., 'a first curable adhesive layer positioned adjacent the first surface of the core layer,'}2. The article of claim 1 , further comprising a substrate positioned adjacent the first curable adhesive layer.3. The article of claim 1 , wherein the core film layer is adhesive.4. The article of claim 1 , wherein the core film layer is a plastic film used for displays claim 1 , including a touch sensor claim 1 , a polarizer claim 1 , a protective film.5. The article of claim 1 , wherein the curable adhesive layer is not crosslinked.6. The article of claim 1 , wherein the curable adhesive layer in its uncured state has a creep of 2 cm or more when tested at 60 degrees C. on a stainless steel back panel using a 1.5 cm×2 cm overlap and a load of 500 g.7. The article of claim 1 , wherein the first curable adhesive layer comprises one of a pressure-sensitive optically clear adhesive and a heat activated optically clear adhesive.8. The article of claim 6 , wherein the first curable adhesive layer has a creep of 2 cm or more at a temperature of less than about 85° C.9. ...

PROTECTION OF NEW ELECTRO-CONDUCTORS BASED ON NANO-SIZED METALS USING DIRECT BONDING WITH OPTICALLY CLEAR ADHESIVES

The present invention is an adhesive composition for stabilizing an electrical conductor. The adhesive composition includes a base polymer and an additive for absorbing UV light, such as a benzotriazole or a benzophenone. When the adhesive composition is in contact with the electrical conductor, the electrical conductor has less than about a 20% change in electrical resistance over a period of about 500 hours. 1. An adhesive composition for stabilizing an electrical conductor comprising:a base polymer; andone of a benzotriazole and a benzophenone;wherein when the adhesive composition is in contact with the electrical conductor, the electrical conductor has less than about a 20% change in electrical resistance over a period of about 500 hours of light exposure.2. The adhesive composition of claim 1 , further comprising at least one of a hindered amine light stabilizer and an anti-oxidant.3. The adhesive composition of claim 1 , wherein the benzotriazole is hydroxyphenylbenzotriazole.4. The adhesive composition of claim 1 , wherein the benzophenone is 2 claim 1 ,2′-dihydroxybenzophenone.5. The adhesive composition of claim 1 , wherein the one of a benzotriazole and a benzophenone comprises between about 0.1 and about 5% by weight of the adhesive composition.6. The adhesive composition of claim 1 , wherein the base polymer comprises one of a polyester claim 1 , polyurethane claim 1 , polyurea claim 1 , polyamide claim 1 , silicone claim 1 , polyolefin claim 1 , acrylic block copolymer claim 1 , rubber block copolymer or random (meth)acrylic copolymer.7. The adhesive composition of claim 1 , wherein the electrical conductors are based on metallic conductors.8. The adhesive composition of claim 7 , wherein the metallic conductors comprise silver or copper.9. The adhesive composition of claim 7 , wherein the metallic conductors are metallic nanoparticles claim 7 , nanorods and nanowires.10. The adhesive composition of claim 1 , further comprising a crosslinker.11. The ...

TAPES AND METHODS OF USE FOR MASKING ALUMINUM SURFACES IN ACID ANODIZATION

A tape includes: a flexible backing layer having two major surfaces, wherein the backing layer has a thickness of greater than 25 micrometers; and an acrylic-based pressure sensitive adhesive layer disposed on one major surface of the backing layer, wherein the acrylic-based pressure sensitive adhesive comprises the reaction of one or more (C8-C20)alkyl acrylates with one or more reinforcing monomers having a homopolymer Tg of at least 50° C., wherein the acrylic-based pressure sensitive adhesive has a tan δ of at least 0.5 measured at 80° C. and an oscillating frequency of 1 radian/second, and wherein the acrylic-based pressure sensitive adhesive layer has a thickness of at least 5 micrometers; wherein, when disposed on an aluminum substrate, the tape displays clean removal from the aluminum substrate according to the Clean Removal Test described in the Examples Section, and a leakage distance of less than 762 micrometers according to the Chromic Acid Anodization-Leakage Distance Test described in the Examples Section. A method of anodizing an aluminum surface includes: providing a substrate having an aluminum surface; applying a tape as described herein to mask the aluminum surface and form a masked substrate; and exposing the masked substrate to an electrolyte solution including chromic acid under conditions effective to form aluminum oxide. 1. A tape comprising:a flexible backing layer having two major surfaces, wherein the backing layer has a thickness of greater than 25 micrometers; and the acrylic-based pressure sensitive adhesive comprises the reaction of one or more (C8-C20)alkyl acrylates with one or more reinforcing monomers having a homopolymer Tg of at least 50° C.;', 'the acrylic-based pressure sensitive adhesive has a tan δ of at least 0.5 measured at 80° C. and an oscillating frequency of 1 radian/second; and', 'the acrylic-based pressure sensitive adhesive layer has a thickness of at least 5 micrometers; and, 'an acrylic-based pressure sensitive ...

CURABLE AND CURED ADHESIVE COMPOSITIONS

Curable adhesive compositions are provided that can be cured using ultraviolet or visible light radiation. These curable adhesive compositions, which contain a curable (meth)acrylate copolymer, have a creep compliance that is less than 5(10) inverse Pascals at 25° C., a creep compliance that is greater than 1(10) inverse Pascals at 70° C., and a shear storage modulus greater than 40 kiloPascals when measured at 25° C. at a frequency of 1 radian/second. 2. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer further comprises an optional fifth monomeric unit that is a nitrogen-containing monomeric unit not of Formula (II).3. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer is free or substantially free of monomeric units derived from an acidic monomer claim 1 , a vinyl ester monomer claim 1 , or an anhydride-containing monomer.4. The curable adhesive composition of claim 1 , wherein the curable (meth)acrylate copolymer has a glass transition temperature equal to at least −15° C. when measured using Dynamic Mechanical Analysis at a frequency of 1 radian/second.5. A cured adhesive composition comprising a cured (meth)acrylate copolymer claim 1 , the cured adhesive composition being a reaction product resulting from exposing a curable adhesive composition to ultraviolet or visible light radiation claim 1 , wherein the curable adhesive composition is of .6. The cured adhesive composition of claim 5 , wherein the cured adhesive composition is optically clear.7. An article comprising a first substrate and a layer of the curable adhesive composition of positioned adjacent to the first substrate.8. The article of claim 7 , wherein the layer of the curable adhesive composition is a die-cut film.9. The article of claim 7 , wherein the first substrate is a release liner.10. The article of claim 8 , wherein the article further comprises a second substrate and the die-cut film is positioned between ...

OPTICAL ARTICLES AND SYSTEMS INCLUDING THE SAME

Systems including one or both of a light emitter or a light receiver or a detectable object; and an optical filter adjacent one or both of the light emitter or the light receiver, wherein the optical filter includes at least one wavelength transmission selective layer including an adhesive component and an absorber component, wherein the wavelength transmission selective layer at least partially reduces the transmission of wavelengths from 701 nm to 849 nm incident thereon. 2. The system according to claim 1 , wherein the wavelength transmission selective layer at least partially allows the transmission of wavelengths other than from 701 nm to 849 nm.3. The system according to claim 1 , wherein the wavelength transmission selective layer transmits less than about 50% of wavelengths from 701 nm to 849 there through claim 1 , transmits less than about 40% of wavelengths from 701 nm to 849 there through claim 1 , transmits less than about 30% of wavelengths from 701 nm to 849 there through claim 1 , transmits less than about 20% of wavelengths from 701 nm to 849 there through claim 1 , or transmits less than about 15% of wavelengths from 701 nm to 849 there through.4. The system according to claim 1 , wherein the wavelength transmission selective layer at least partially reduces the transmission of wavelengths from 350 nm to 701 nm.5. The system according to claim 1 , wherein the wavelength transmission selective layer transmits less than about 50% of wavelengths from 350 nm to 701 there through claim 1 , transmits less than about 40% of wavelengths from 350 nm to 701 there through claim 1 , transmits less than about 30% of wavelengths from 350 nm to 701 there through claim 1 , transmits less than about 20% of wavelengths from 350 nm to 701 there through claim 1 , or transmits less than about 15% of wavelengths from 350 nm to 701 there through.6. The system according to claim 1 , wherein the wavelength transmission selective layer transmits greater than about 50% of ...

Adhesive including pendant (meth)acryloyl groups, article, and method

An adhesive including a (meth)acrylate copolymer having pendant (meth)acryloyl groups, wherein the (meth)acrylate copolymer has a weight average molecular weight of 50,000 Daltons to 600,000 Daltons and an average molecular weight between (meth)acryloyl groups equal to at least 6,000 Daltons.

ASSEMBLY LAYER FOR FLEXIBLE DISPLAY

The present invention is an assembly layer for a flexible device. Within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×10/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress. 1. An assembly layer for a flexible device comprising:{'sup': '−6', 'an adhesive composition, wherein within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×10/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress.'}2. The assembly layer of claim 1 , wherein the assembly layer is optically clear.3. The assembly layer of claim 1 , wherein the flexible device is an electronic display device.4. The assembly layer of claim 1 , wherein the assembly layer comprises at least one of: an acrylic claim 1 , an acrylic block copolymer claim 1 , a physically cross-linked silicone elastomer claim 1 , a covalently cross-linked silicone elastomer reagent forming mixture claim 1 , an ionomerically cross-linked silicone elastomer reagent forming mixture claim 1 , a polyurethane claim 1 , a polyisoprene claim 1 , a polybutadiene claim 1 , an olefin block copolymer claim 1 , a polyisobutylene claim 1 , and a high alkyl polyolefin.5. The assembly layer of claim 1 , wherein the assembly layer has a glass ...

ACRYLIC-BASED FLEXIBLE ASSEMBLY LAYER

The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include an alkyl(meth)acrylate ester having 1 to 24 carbon atoms in the alkyl group and a free-radical generating initiator. Within a temperature range of between −30° C. to 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed 2 MPa, a shear creep compliance (J) of at least 6×10″1/Pa measured at 5 seconds with an applied shear stress between 50 kPa and 500 kPa, and a strain recovery of at least 50% at at least one point of applied shear stress within the range of 5 kPa to 500 kPa within 1 minute after removing the applied shear stress. In a preferred embodiment, the flexible device is a flexible electronic display. 1. An assembly layer for a flexible device , wherein the assembly layer is derived from precursors comprising:an alkyl(meth)acrylate ester having 1 to 24 carbon atoms in the alkyl group; anda free-radical generating initiator;{'sup': '−6', 'wherein within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×101/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa, within about 1 minute after removing the applied shear stress.'}2. The assembly layer of claim 1 , wherein the assembly layer is optically clear.3. The assembly layer of claim 1 , wherein the flexible device is a flexible electronic display.4. The assembly layer of claim 1 , wherein the assembly layer comprises between about 60 and about 95 weight % alkyl(meth)acrylate ester having 1 to 24 carbon atoms in the alkyl group.5. The assembly layer of claim 1 , wherein the assembly layer has a glass ...

LOW DIELECTRIC OPTICALLY CLEAR ADHESIVES FOR FLEXIBLE ELECTRONIC DISPLAY

The present invention is an assembly layer for a flexible device. The assembly layer is derived from precursors that include about 0 to about 50 wt % C-Calkyl(meth)acrylate, about 40 to about 99 wt % C-C(meth)acrylate, about 0 to about 30 wt % hydroxyl(meth)acrylate, about 0 to about 10 wt % of a non-hydroxy functional polar monomer, and about 0 to about 5 wt % crosslinker. 1. An assembly layer for a flexible device , wherein the assembly layer is derived from precursors comprising:{'sub': 1', '9, 'about 0 to about 50 wt % C-Calkyl(meth)acrylate;'}{'sub': 10', '24, 'about 40 to about 99 wt % C-C(meth)acrylate;'}about 0 to about 30 wt % hydroxyl (meth)acrylate;about 0 to about 10 wt % of a non-hydroxy functional polar monomer; andabout 0 to about 5 wt % crosslinker.2. The assembly layer of claim 1 , wherein within a temperature range of between about −30° C. to about 90° C. claim 1 , the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa claim 1 , a shear creep compliance (J) of at least about 6×101/Pa measured at 5 seconds with an applied shear stress between about 20 kPa and about 200 kPa claim 1 , and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 20 kPa to about 200 kPa claim 1 , within about 1 minute after removing the applied shear stress.3. The assembly layer of claim 1 , wherein the assembly layer has a dielectric constant (Dk) of less than about 5.0 when measured at a frequency of about 100 kHz.4. The assembly layer of claim 1 , wherein the dielectric constant (Dk) of the assembly layer does not change by more than about 40% of its initial value upon exposure to about 65° C./90% relative humidity conditions for greater than about 400 hours.5. The assembly layer of claim 1 , wherein the flexible device is a flexible electronic display.6. The assembly layer of claim 1 , wherein the assembly layer is optically clear.7. The assembly layer of claim 1 , ...

ASSEMBLY LAYER FOR FLEXIBLE DISPLAY

The present invention is an assembly layer for a flexible device. Within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×101 /Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress. The assembly layer includes at least one of a polyisoprene, a polybutadiene, an olefin block copolymer, a polyisobutylene, and high alkyl polyolefin. 1. An assembly layer for a flexible device comprising:{'sup': '−6', 'an adhesive composition, wherein within a temperature range of between about −30° C. to about 90° C., the assembly layer has a shear storage modulus at a frequency of 1 Hz that does not exceed about 2 MPa, a shear creep compliance (J) of at least about 6×101/Pa measured at 5 seconds with an applied shear stress between about 50 kPa and about 500 kPa, and a strain recovery of at least about 50% at at least one point of applied shear stress within the range of about 5 kPa to about 500 kPa within about 1 minute after removing the applied shear stress,'}wherein the assembly layer comprises at least one of a polyisoprene, a polybutadiene, an olefin block copolymer, a polyisobutylene, and high alkyl polyolefin.2. The assembly layer of claim 1 , wherein the assembly layer is optically clear.3. The assembly layer of claim 1 , wherein the flexible device is an electronic display device.4. The assembly layer of claim 1 , wherein the assembly layer has a glass transition temperature of up to about 10° C.5. A laminate comprising:a first flexible substrate;a second flexible substrate; and{'sup': '−6', 'an assembly layer positioned between and in contact with the first flexible substrate ...

RELEASE LINERS FOR LASER CUT ADHESIVES

Various embodiments described herein relate to a laminate. The laminate includes a release liner comprising at least one polyolefin and an adhesive layer. The adhesive layer contacts a region of a first major surface of the release liner. Upon exposure to laser electromagnetic radiation, the adhesive layer is configured to absorb at least 55% (in some embodiments, at least 60%, 65%, 70%, 75%, 80%, 85%, 90%, 95%, or even 100%) of the laser electromagnetic radiation and the release liner absorbs no greater than 45% (in some embodiments, no greater than 40%, 35%, 30%, 25%, 20%, 15%, 10%, 5%, or even 0%) of the laser electromagnetic radiation. 1. A laminate comprising:a release liner comprising at least one polyolefin; andan adhesive layer, the adhesive layer contacting a region of a first major surface of the release liner,wherein upon exposure to laser electromagnetic radiation, the adhesive layer is configured to absorb at least 55% of the laser electromagnetic radiation and the release liner absorbs no greater than 45% of the laser electromagnetic radiation.2. The laminate of claim 1 , wherein the at least one polyolefin is at least one of polyethylene claim 1 , polypropylene claim 1 , polymethylpentene claim 1 , polybutene-1 claim 1 , polyisobutylene claim 1 , or a copolymer thereof.3. The laminate of claim 1 , wherein the release liner is free of at least one polymeric material or additive that absorb greater than 5 percent of the laser electromagnetic radiation.4. The laminate of claim 1 , wherein the release liner is free of polyethylene terephthalate.5. The laminate of claim 1 , wherein the release liner is a first release liner and the laminate further comprises at least one of an optical film or a second release liner claim 1 , and wherein a portion of the adhesive layer is contacting a region of a major surface of the optical film or second release liner.6. The laminate of claim 1 , wherein the second release liner is free of polyolefins.7. The laminate of ...

BONDING LAYER HAVING DISCRETE ADHESIVE PATCHES

At least some aspects of the present disclosure feature a bonding layer including a support layer and discrete adhesive patches disposed on one or both sides of the support layer. At least some aspects of the present disclosure feature a flexible display using a bonding layer including discrete adhesive patches. 1. A bonding layer having a first surface and a second surface opposing the first surface , comprising:a support layer,a first set of discrete adhesive patches, anda second set of discrete adhesive patches,wherein each of the first and the second set of adhesive patches comprises a plurality of adhesive patches, and wherein the first set of adhesive patches are disposed on the first surface of the bonding layer and the second set of adhesive patches are disposed on the second surface of the bonding layer.2. The bonding layer of claim 1 , wherein at least some of the first set of discrete adhesive patches and at least a portion of the support layer are optically clear.3. The bonding layer of claim 1 , wherein the support layer comprises a soft elastomer.4. The bonding layer of claim 1 , wherein the first set of adhesive patches are disposed on the first surface of the bonding layer in a pattern.5. The bonding layer of claim 1 , wherein the second set of adhesive patches are disposed on the second surface of the bonding layer in a pattern.6. The bonding layer of claim 1 , wherein the second set of adhesive patches are randomly disposed on the second surface of the bonding layer.7. The bonding layer of claim 1 , wherein at least two of the first set of adhesive patches and the second set of adhesive patches are aligned with each other.8. The bonding layer of claim 1 , wherein at least two of the first set of adhesive patches and the second set of adhesive patches are disposed in a staggered pattern.9. The bonding layer of claim 1 , wherein a refractive index of the first set of adhesive patches has an absolute difference less than or equal to 0.05 from a ...

FLEXIBLE ELECTRONIC DEVICE WITH FLUID CAVITY DESIGN

The present invention is a flexible display including a fluid cavity, fluid within the fluid cavity, and a strain/stress-sensitive module positioned within the fluid cavity. The strain/stress-sensitive module includes a flexible substrate, a flexible encapsulation layer, and an OLED layer positioned between the flexible substrate and the flexible encapsulation layer. 1. A flexible display comprising:a fluid cavity;fluid within the fluid cavity; anda strain/stress-sensitive module positioned within the fluid cavity.2. The flexible display of claim 1 , wherein the strain/stress-sensitive module comprises:a flexible substrate;a flexible encapsulation layer; andan OLED layer positioned between the flexible substrate and the flexible encapsulation layer3. The flexible display of claim 2 , wherein the strain/stress-sensitive module comprises one of an organic light emitting diode (OLED) module claim 2 , an electro-phoretic module claim 2 , an electro-wetting module claim 2 , a MEMS display claim 2 , a photo voltaic layer claim 2 , a touch sensor layer claim 2 , or a flexible liquid crystal module (LCD).4. The flexible display of claim 1 , further comprising means for supporting the strain/stress-sensitive module within the fluid cavity.5. The flexible display of claim 4 , wherein the means for supporting the strain/stress-sensitive module comprises spacers.6. (canceled)7. The flexible display of claim 1 , further comprising a soft spring for supporting the strain/stress-sensitive module.8. The flexible display of claim 1 , further comprising a seal at least partially surrounding the fluid cavity.9. The flexible display of claim 1 , wherein the flexible substrate includes extended tails.10. The flexible display of claim 1 , wherein the fluid comprises one of a Newtonian fluid claim 1 , a non-Newtonian fluid claim 1 , a fluid-like material and a soft gel.11. The flexible display of claim 1 , wherein the strain/stress-sensitive module is not bonded to any adjacent display ...

LOW WATER VAPOR TRANSMISSION RATE (WVTR) ADHESIVE

The present invention is an adhesive composition including at least one low molecular weight polyisobutylene polymer having a weight average molecular weight of about 75,000 or lower, at least one high molecular weight polyisobutylene polymer having a weight average molecular weight of about 120,000 or higher, and optionally, at least one tackifier. 1. An adhesive composition comprising:at least one low molecular weight polyisobutylene polymer having a weight average molecular weight of about 75,000 or lower;at least one high molecular weight polyisobutylene polymer having a weight average molecular weight of about 120,000 or higher; andoptionally, at least one tackifier.2. An adhesive composition for use in electronic device comprising:at least one low molecular weight polyisobutylene polymer;at least one high molecular weight polyisobutylene polymer; andoptionally at least one tackifier,wherein the composition has a 60° C./5 minute creep compliance greater than 1.5×10−4.3. The adhesive composition of claim 1 , wherein the weight percent of components is: 1-90% low molecular weight polyisobutylene claim 1 , 1-80% high molecular weight polyisobutylene claim 1 , and 1-60% tackifier.4. The adhesive composition of claim 1 , wherein the adhesive composition is an optically clear adhesive composition.5. An adhesive composition of claim 1 , wherein the tackifier is non-hydrogenated or hydrogenated aliphatic hydrocarbon tackifier.6. The adhesive composition of claim 1 , wherein the composition further contains a UV blocking agent.7. The adhesive composition of claim 1 , wherein the thickness of the adhesive is 0.001-1 mm.8. The adhesive composition of claim 1 , wherein the composition is not crosslinked.9. The adhesive composition of claim 1 , wherein the composition is coated on a substrate.10. The adhesive composition of claim 1 , wherein the composition is positioned between two substrates.11. The adhesive composition of claim 9 , wherein one or more of the substrates ...

ELECTRONIC DEVICES INCORPORATING FLEXIBLE COMPONENT LAYERS WITH INTERLOCKING DEVICES

Electronic Devices Incorporating Flexible Component Layers with Interlocking Devices At least some aspects of the present disclosure directs to an electronic device comprising a rigid member A, B, a flexible component layer and an interlocking device A, HOB disposed between the flexible component layer and the rigid member. The flexible component layer has at least two sections when the flexible component layer is flexed. The interlocking device comprises a first interlocking component attached to or integrated with the flexible component layer, and a second interlocking component attached to or integrated with the rigid member configured to engage with the first interlocking component, such that the engagement prevents the separation of the flexible component layer from the rigid member along a direction generally perpendicular to a surface of the rigid member. 1. An electronic device , comprising:at least one rigid member;a flexible component layer having at least two sections when the flexible component layer is flexed; andan interlocking device disposed between the flexible display and one of the at least one rigid member,wherein the interlocking device comprises a first interlocking component attached to or integrated with the flexible component layer, and a second interlocking component attached to or integrated with one of the at least one rigid member configured to engage with the first interlocking component, such that the engagement prevents the separation of the flexible component layer from the at least one rigid member along a direction generally perpendicular to a surface of the at least one rigid member.2. The electronic device according to claim 1 , wherein the at least one rigid member comprises two rigid components coupled together by a hinge mechanism.3. The electronic device according to claim 1 , wherein the interlocking device further comprises a coupling material.4. The electronic device according to claim 3 , wherein the coupling material has ...

POLYMERIC FILMS AND DISPLAY DEVICES CONTAINING SUCH FILMS

Polymeric films, which may be adhesive films, and display devices including such polymeric films, wherein a polymeric film includes: a first polymeric layer having two major surfaces, wherein the first polymeric layer includes a first polymeric matrix and particles. The first polymeric layer includes: a first polymeric matrix having a refractive index n; and particles having a refractive index nuniformly dispersed within the first polymeric matrix; wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nanometers (nm) to 3000 nm; and wherein nis different than n. 1. A polymeric film comprising: [{'sub': '1', 'a first polymeric matrix having a refractive index n; and'}, {'sub': '2', 'particles having a refractive index nuniformly dispersed within the first polymeric matrix;'}, 'wherein the particles are present in an amount of less than 30 vol-%, based on the volume of the first polymeric layer, and have a particle size range of 400 nm to 3000 nm; and', {'sub': 1', '2, 'wherein nis different than n;'}], 'a first polymeric layer having two major surfaces, wherein the first polymeric layer comprises a clarity of at least 80%;', 'a visible light transmission of at least 85%; and', 'a normalized micro-haze non-uniformity of not more than 12% across the polymeric film., 'wherein the polymeric film has2. The polymeric film of further comprising a second polymeric layer disposed on one major surface of the first polymeric layer; wherein the second polymeric layer comprises a second polymeric matrix having a refractive index n; wherein the first polymeric matrix and the second polymeric matrix are the same or different; and wherein at least one of the first polymeric matrix and the second polymeric matrix is an adhesive matrix.3. The polymeric film of wherein the first polymeric matrix and the second polymeric matrix each comprises an adhesive matrix.4. The polymeric film ...

Methods of enhancing adhesion

Methods for enhancing adhesion between at least two surfaces, preferably of at least two different materials, using a powdered surface preparation composition.

Methods of enhancing adhesion

Free-radically polymerizable compositions capable of being applied by electrostatic assistance

Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more free-radically curable monomer(s), and one or more non-volatile conductivity enhancer(s), having cationic and anionic portions, which are soluble in the monomer(s) and which do not interfere with free-radical polymerization, wherein said anionic portion is a non-coordinating organophilic carbon-containing anion. The compositions may further comprise one or more initiator(s), one or more dissociation enhancing agent(s), cross-linking agent(s), cationically polymerizable monomer(s), cationic initiator(s), leveling agents, oligomer(s) or polymer(s), preferably co-reactive, and other additives or adjuvants to impart specific properties to the cured coating.

Electrosprayable release coating

Free-radically polymerizable release coating compositions containing conductivity enhancers, which are capable of being electrosprayed onto a substrate. The compositions comprise (a) about 100 parts by weight of one or more free-radically polymerizable vinyl monomer(s), (b) from about 0.05 to about 250 parts by weight of one or more polydiorganosiloxane polymer(s) copolymerizable with the vinyl monomer(s), and (c) from about 0.10 to about 10 parts by weight, based on 100 parts by weight of (a) and (b), of one or more non-volatile conductivity enhancer(s), which are soluble in the monomer(s) and which do not interfere with polymerization, wherein the composition may be electrosprayed. The composition may further comprise from about 0.1 to about 5 parts by weight of one or more initiator(s) based on 100 parts by weight of monomer(s) and polydiorganosiloxane polymer(s). Another embodiment of the present invention further comprises at leas 0.1 part by weight, based on 100 parts by weight of monomer(s) and polydiorganosiloxane polymer(s), of one or more dissociation enhancing agent(s) soluble in the monomer(s).

Tackified acrylic adhesives

The invention provides a clear and essentially colorless adhesive comprising (A) the polymerization reaction product of starting materials comprising: (a) 25 to 95 parts by weight of a polymerizable component comprising at least one acrylic or methacrylic ester of a non-tertiary alkyl alcohol in which the alkyl group contains 4 to 20 carbon atoms; (b) at least 5 parts by weight of at least one copolymerizable polar comohomer having a strong hydrogen bonding capability selected from an acid, an amide, an anhydride, or a lactam, the sum of (a) and (b) amounting to 100 parts by weight; and (B) 1 to 75 parts by weight, per 100 parts by weight of the sum of components (a) and (b), of a tackifier; said tackifier comprising a water white, hydrogenated resin produced from a hydrocarbon feedstock containing at least 50 percent vinyl aromatic monomer and from 0 to 40 percent by weight of olefin chain transfer agents, said tackifier having: (i) a retained aromaticity on a weight percent of monomers in the feedstock basis of 80 to 95 percent; (ii) a softening point of 65° to 120° C.; (iii) a Mz of less than 1800; (iv) no molecular weight fractions above 7000; and (v) a polydispersity of less than 2.5, wherein said starting materials (a) and (b) are substantially solvent free.

Stable, low cure-temperature semi-structural pressure sensitive adhesive

A curable pressure sensitive adhesive having long shelf stability comprising (a) at least one free radically polymerized polymer; (2) at least one cationically-polymerizable monomer; (3) a photo-activatable catalyst system for the cationically-polymerizable monomer comprising either at least one organometallic complex salt or at least one onium salt; and (4) optionally, a monohydric or polyhydric alcohol, wherein there is essentially no conversion of the cationically-polymerizable monomer of the curable pressure sensitive adhesive when stored in a manner to exclude actinic radiation, and methods of making the same.

Ionically conductive adhesives prepared from zwitterionic materials and medical devices using such adhesives

Ionically conductive adhesives are disclosed. The adhesives are prepared from zwitterionic polymers, preferably prepared from zwitterionic monomers. Medical devices, such as biomedical electrodes, skin coverings, and transdermal delivery devices using such adhesives so prepared are also disclosed.

Pressure-sensitive adhesives for polyolefin surfaces

The present invention provides a pressure sensitive adhesive comprising the polymerization reaction product of starting materials comprising: (a) 50 to 100 parts by weight of at least one acrylic or methacrylic ester of a non-tertiary alkyl alcohol in which the alkyl group contains 4 to 20 carbon atoms; (b) 0 to 50 parts by weight of at least one reinforcing monomer, copolymerizable with component (a), the sum of (a) and (b) amounting to 100 parts by weight; and (c) 0.1 to 15 parts by weight, per 100 parts by weight of the sum of components (a) and (b), of a substantially soluble chlorinated polyolefin; said starting materials being substantially solvent-free.

Articles incorporating pressure-sensitive adhesives having improved adhesion to plasticized polyvinyl chloride

Articles comprising a substrate, preferably a retroreflective sheeting, having a coating of a pressure-sensitive adhesive composition, and articles wherein the adhesive adheres the substrate to a highly monomericly plasticized PVC component, preferably a PVC coated fabric. The adhesive comprises a crosslinked copolymer of a first monofunctional acrylate ester of a non-tertiary alcohol having as a homopolymer a glass transition temperature of less than -25° C., a nitrogen containing moderately basic monomer copolymerizable therewith selected from the group consisting of N,N-dialkyl substituted amides, an optional copolymerizable acidic monomer, an optional second monofunctional acrylate ester of a non-tertiary alcohol having as a homopolymer a glass transition temperature -25° C. or greater, and a crosslinking agent. A method of bonding a highly monomericly plasticized PVC component to a substrate, preferably a retroreflective sheeting, using the adhesive.

Imagewise printing of adhesives and limited coalescence polymerization method

Methods of imagewise printing of adhesives that includes providing a latent adhesive image and then activating the latent adhesive image to form an adhesive image. Methods of preparing latent adhesive toners that involve limited coalescence.

Hydroxyl groups-terminated macromonomer grafted on polyurethane

A moisture-curable, hot melt composition comprising a graft polyurethane prepolymer made by reacting a macromonomer, polyol, polyisocyanate and optional silane reagent is provided. The composition advantageously provides adhesives having initial creep resistance, short set times, and long open times.

Radiation curable vinyl/silicone release coating

The invention relates to a radiation curable release coating composition comprising: (a) from about 0.05 to about 25 percent by weight of polymer selected from the group consisting of polymers falling within the general formula: <IMAGE> I and mixtures thereof, wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R3 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; R4 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, vinyl, aryl, and substituted aryl; and n is an integer of about 25 to about 750; (b) from about 5 to about 60 percent by weight of one or more free radically polymerizable multifunctional vinyl monomers copolymerizable with said polymer; and (c) from about 25 to about 95 percent by weight of one or more free radically polymerizable monofunctional vinyl monomers copolymerizable with said polymer; wherein said weight percentages are based upon the total weight of the radiation curable release coating composition. The invention also relates to substrates coated with the release coating.

Stretch releasable adhesive tape

An adhesive tape that is stretch releasable, articles that contain the adhesive tape, and uses of the adhesive tape are disclosed. The adhesive tapes include a backing layer that is adjacent to at least one pressure-sensitive adhesive layer. The backing layer typically is optically clear and includes a poly(alkylene)copolymer. The pressure-sensitive adhesive layer is a silicone-based adhesive composition. In many embodiments, the adhesive tape is optically clear.

Moisture-curable, hot melt composition

A moisture-curable, hot melt composition comprising a graft polyurethane prepolymer made by reacting a macromonomer, polyol, polyisocyanate and optional silane reagent is provided. The composition advantageously provides adhesives having initial creep resistance, short set times, and long open times.

USE OF ACRYLIC COPOLYMER COMPOSITIONS IN COSMETICS AND BODY CARE

Cloud point-resistant adhesives and laminates

Optically clear adhesives and laminates that include the adhesives are provided. The adhesives and laminates remain haze-free and are cloud point-resistant when placed in environments of high humidity and elevated temperature. The adhesives and laminates are useful in optical electronic display applications.

Styryl-modified acrylate polymer pressure sensitive adhesive beads

Styryl-modified acrylate polymer pressure sensitive adhesive beads, adhesive films made therefrom and methods of making the same. Surprisingly, the polymerization of styryl-functional monomer into bead formulations provides beads that can be easily extruded and made into adhesive films having high shear strength. The polimerization of styryl-functional monomer into bead formulations comprising methacrylic acid also obviates the need to use a modifier moiety.

Radiation crosslinked elastomers

Disclosed are radiation-crosslinkable elastomeric compositions containing: (a) an elastomeric polymer containing abstractable hydrogen atoms in an amount sufficient to enable the elastomeric polymer to undergo crosslinking in the presence of a suitable radiation-activatable crosslinking agent; and (b) a radiation-activatable crosslinking agent of formula (1), wherein: W represents -O-, -N-, or -S-; X represents CH3- or (2), Y represents a ketone, ester , or amide functionality; Z represents on organic spacer which does not contain hydrogen atoms that are more photoabstractable than hydrogen atoms of the elastomeric polymer; m represents an integer of 0 to 6; a represents 0 or 1; and n represents an integer of 2 or greater. Radiation-crosslinked elastomers are prepared by exposing the radiation-crosslinkable elastomeric compostitions to radiation (e.g., UV light) to abstract hydrogen atoms from the elastomeric polymer by the resulting radiation-activated crosslinking agent.

Polymer compositions with energetically degradable crosslinker

The present invention is directed toward compositions that are chemically different after application to a substrate as compared to the composition prior to its application. Advantageously, compositions of the invention are easily applied to a substrate, but yet they possess adequate cohesive strength after application. A method of the invention comprises a method of transitioning a crosslinked polymer composition from a first chemical state to a second at least partially crosslinked chemical state.

Radiation curable vinyl/silicone release coating

The invention relates to a radiation curable release coating composition comprising: a) from about 0.05 to about 25 percent by weight of polymer selected from the group consisting of polymers falling within general formula (I) and mixtures thereof, wherein: X are monovalent moieties having ethylenic unsaturation which can be the same or different; Y are divalent linking groups which can be the same or different; D are monovalent moieties which can be the same or different selected from the group consisting of hydrogen, an alkyl group of 1 to about 10 carbon atoms, aryl, and substituted aryl; R are divalent hydrocarbon groups which can be the same or different; R1 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl; R2 are monovalent moieties which can be the same or different selected from the group consisting of alkyl, substituted alkyl, aryl, and substituted aryl.

Fluoroalkyl siloxane/vinyl copolymer dispersions and pressure-sensitive adhesives having improved solvent resistance prepared therefrom

Novel pressure-sensitive adhesives are described which show significant resistance to solvents and working fluids such as jet fuel, hydraulic fluid, de-icing fluid and the like. Adhesive compositions comprise nonaqueous dispersions of copolymers of acrylic monomers prepared in the presence of a vinyl-substituted fluoroalkyl siloxane having the general formula I and a macromonomeric stabilizer. The adhesives prepared from the adhesive compositions exhibit excellent adhesion to glass, aluminum, and low surface-energy materials such as fluoroalkyl siloxane elastomers. The fluoroalkyl siloxane has the formula ##STR1##

Pressure-sensitive adhesives having improved adhesion to acid-rain resistant automotive parts

The present invention provides a pressure-sensitive adhesive composition and tape prepared therefrom which has excellent ability to adhere to acidic surfaces such as acid-rain resistant automotive paints. The adhesive comprises a crosslinked copolymer comprising certain (meth)acrylate esters, certain nitrogen containing basic monomers copolymerizable therewith, optional copolymerizable acidic monomer, and crosslinker.

Stretch releasable adhesive tape

Adhesive tapes, articles containing the adhesive tapes, methods of making the adhesive tapes, and uses of the adhesive tapes are described. The adhesive tape is stretch releasable and can be used to couple two substrates together. The adhesive tape can be removed easily to separate the two substrates for any reason. The adhesive tape includes a backing layer and at least one pressure sensitive adhesive layer adjacent to the backing layer. The backing layer contains a poly(alkylene) copolymer. Each pressure sensitive adhesive layer contains an acrylic copolymer that is crosslinked plus inorganic particles that are dispersed or suspended in the acrylic copolymer.

Stretch releasable adhesive tape

Adhesive tapes, articles containing the adhesive tapes, methods of making the adhesive tapes, and uses of the adhesive tapes are described. The adhesive tape is stretch releasable and can be used to couple two substrates together. The adhesive tape can be removed easily to separate the two substrates for any reason. The adhesive tape includes a backing layer and at least one pressure-sensitive adhesive layer adjacent to the backing layer. The backing layer contains a first acrylic copolymer. Each pressure-sensitive adhesive layer contains a second acrylic copolymer plus inorganic particles that are dispersed or suspended in the second acrylic copolymer.

Stretch releasable adhesive

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area - as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process - that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%.

Stretch releasable adhesive article

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area - as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process - that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%.

Stretch releasable adhesive article

A stretch releasable adhesive article includes first and second opposed major surfaces and a pull tab, and at least a portion of at least one of the first and second major surfaces is adhesive. The adhesive article has a cross-sectional area - as measured normal to the axis defined by a stretch release force applied to the pull tab during the stretch release process - that has a defined width to thickness ratio, and the adhesive article may have a visible light transmission of at least about 90%, and a haze of no greater than 5%.

Indium-tin-oxide compatible optically clear adhesive

An optically clear pressure sensitive adhesive composition that is compatible with an electro-conductive trace containing indium-tin oxide is provided. The composition at least two components selected from the group: (a) from about 50 to 95 parts component A, an alkyl (meth)acrylate monomer having a T g of about 25° C. or less, wherein the alkyl has 4 to 18 carbon atoms; (b) from about 30 to 50 parts component B, an ester of (meth)acrylate monomer having a T g greater than about 25° C., wherein the alkyl has 4 to 18 carbon atoms; and (c) from about 1 to 40 parts component C, a monomer selected from the group consisting of hydroxy alkyl (meth)acrylate; unsubstituted (meth)acrylamide; N-alkyl susbstituted (meth)acrylamide; N,N-dialkyl substituted (meth)acrylamide; monomer containing urea functionality, a monomer containing lacatam functionality; tertiary amine, alicyclic amine, aromatic amine, and combinations thereof. All parts are based on 100 parts of the adhesive composition.

Adhesives compatible with corrosion sensitive layers

An article comprising an adhesive having an acid number of less than about 5 is provided. The adhesive is selected from the group consisting of polyurea, polyamide, polyurethane, polyester, addition cure silicone and combinations thereof. The adhesive is in contact with a corrosion sensitive layer selected from the group of metal and metal alloys. When the article is conditioned for about 21 days at about 60°C and 90% relative humidity, the corrosion sensitive layer exhibits a change from its initial electrical resistance value of 20% or less.

Electrosprayable release coating

Free-radically polymerizable release coating compositions containing conductivity enhancers, which are capable of being electrosprayed onto a substrate. The compositions comprise (a) about 100 parts by weight of one or more free-radically polymerizable vinyl monomer(s), (b) from about 0.05 to about 250 parts by weight of one or more polydiorganosiloxane polymer(s) copolymerizable with the vinyl monomer(s), and (c) from about 0.10 to about 10 parts by weight, based on 100 parts by weight of (a) and (b), of one or more non-volatile conductivity enhancer(s), which are soluble in the monomer(s) and which do not interfere with polymerization, wherein the composition may be electrosprayed. The composition may further comprise from about 0.1 to about 5 parts by weight of one or more initiator(s) based on 100 parts by weight of monomer(s) and polydiorganosiloxane polymer(s). Another embodiment of the present invention further comprises at least 0.1 part by weight, based on 100 parts by weight of monomer(s) and polydiorganosiloxane polymer(s), of one or more dissociation enhancing agent(s) soluble in the monomer(s).

Heat-activatable adhesive composition

Stable, low cure-temperature semi-structural pressure sensitive adhesive

A curable pressure sensitive adhesive having long shelf stability comprising: (1) at least one free radically polymerized polymer; (2) at least one cationically-polymerizable monomer; (3) a photo-activatable catalyst system for the cationically-polymerizable monomer comprising either at least one organometallic complex salt or at least one onium salt; and (4) optionally, a monohydric or polyhydric alcohol, wherein there is essentially no conversion of the cationically-polymerizable monomer of the curable pressure sensitive adhesive when stored in a manner to exclude actinic radiation, and methods of making the same.

Pressure sensitive adhesives for use on low energy surfaces

A vinyl graphic marking film or label coated with a pressure sensitive acrylic adhesive designed to achieve high or permanent adhesion to polymeric low energy surfaces is disclosed. In addition to good adhesion to low energy surfaces, the graphic marking film or label may have microperforated or micro-rough edges which initiate tearing when removal is attempted. The article maintains flexibility and film strength for easy fabrication in graphic marking film or label manufacture.

Removable, low melt viscosity acrylic pressure sensitive adhesives

The present invention relates to a permanently removable, low melt viscosity acrylic pressure-sensitive adhesive comprising a lower alkylacrylate, a higher alkylacrylate and a crosslinker.

Acrylic-based copolymer compositions for cosmetic and personal care