Abstract: The present disclosure relates to a novel cross-linking compound and a polymer using the same. More particularly, the present disclosure relates to a novel cross-linking compound that does not cause thermal decomposition at one end and thus prevents in advance the generation of volatile substances and decomposition products, and a polymer prepared using the same.

Abstract: A polymer thin film having stretchability and dielectric properties and a method of forming the same are provided. The method includes forming the polymer thin film having stretchability and dielectric properties depending on a composition of a copolymer using an acrylate-based monomer and a vinyl group monomer.

Abstract: An adhesion method including: a step (1), disposing a stickable-curable adhesive layer on a first adherend; a step (2), disposing a curing agent layer on a second adherend, the curing agent layer being able to cure the stickable-curable adhesive layer by contacting and reacting with the stickable-curable adhesive layer; and a step (3), bringing the stickable-curable adhesive layer into contact with the curing agent layer so that they are sandwiched by the first adherend and the second adherend.

Abstract: A workpiece grinding method including a first surface protection step of covering a front surface of a workpiece with a workpiece protective member, a second surface protection step of covering front surface of a support substrate with a support substrate protective member, a workpiece unit formation step of causing an adhesive to spread over a side surface of an outer peripheral portion of the workpiece to fix the side surface to the support substrate, and forming a workpiece unit, a grinding step of thinning the workpiece, a first peeling step of peeling off the workpiece after thinning, the workpiece protective member, the adhesive, and the support substrate protective member from the support substrate as one unit in such a manner to turn them over, and a second peeling step of peeling off the workpiece protective member, the adhesive, and the support substrate protective member as one unit from the workpiece.

Abstract: Crosslinkable polymeric materials, crosslinked polymeric materials, articles containing the crosslinkable polymeric materials or crosslinked polymeric materials, and methods of making the articles and various compositions are provided. More particularly, the crosslinkable composition contains a) a first polymeric material, which has terminal dithiocarbamate or dithiocarbonate groups, b) a crosslinking composition containing a chlorinated triazine crosslinking agent and/or a crosslinking monomer having two or more ethylenically unsaturated groups, and c) a thixotropic agent containing metal oxide particles. The crosslinkable composition may be printable or dispensed. In some embodiments, the crosslinked composition is a pressure-sensitive adhesive.

Abstract: Described herein is a backing comprising a sorbent material entrapped in a non-woven fiber matrix, wherein the backing comprises a first and a second major surface; and a first adhesive layer contacting the first major surface of the backing, wherein the first adhesive layer comprises a pressure sensitive adhesive.

Abstract: A multilayer release liner for use in a roofing system. that includes a roofing membrane and an asphalt or bitumen adhesive. The multilayer release liner contains a core layer including PET, surrounded by several outer layers including at least two tie layers adhered to the core layer, and at least two polyolefin layers adhered to the tie layers. The multilayer release liner of the present invention is highly compatible with silicone and does not contain any ingredients that may interfere with the adhesion or cure of a silicone coating. The liner of the present invention also provides an effective oil barrier and minimizes oil migration and discoloration of the multilayer release liner from the adhesives used in roofing systems.

Abstract: The double-sided tape for fixing an electrode constituent body is used in an electrochemical device that houses in a pouch-type outer casing an electrode constituent body wherein a positive electrode member, a separator member and a negative electrode member are layered or wound. The double-sided tape comprises a surface having a pressure-sensitive adhesive for adhering to the electrode constituent body, and a surface having a heat-sensitive adhesive for adhering to the pouch-type outer casing.

Abstract: A multilayer release film has a first outer layer comprising a first base polymer and having a first adhesion affinity, and a second outer layer comprising a second base polymer and an adhesion adjusting additive. The second outer layer has a second adhesion affinity that is different from the first adhesion affinity of the first outer layer. The difference in adhesion affinity between the first and second outer layers of the release film enable the film to exhibit full release characteristics from a molding tool (e.g., a metallic or composite surface material), but tight or controlled release from the surface of the part being cured or molded.

Abstract: A pressure-sensitive adhesive sheet for covering according to an embodiment of the present invention includes a non-crosslinked rubber component having a maximum peak of the molecular weight distribution in the range of 50,000 to 3,000,000, an oil component having a maximum peak of the molecular weight distribution in the range of 1,000 to 20,000, and carbon black. The content of the non-crosslinked rubber component is 25% to 65% by mass, the content of the oil component is 35% to 75% by mass, and the content of the carbon black relative to 100 parts by mass of the total of the non-crosslinked rubber component and the oil component is 1 to 40 parts by mass.

Abstract: A single direction gas permeable protective covering material for protecting solid stone surface countertop materials is provided. The protective covering material includes a core layer which is formed as an elongate thin sheet of material having uniform thickness. The protective covering material also includes an outer protective layer attached to a first side of the core layer and a dual layer adhesive system attached to a second side of the core layer. The protective covering material includes cone shaped pores therethrough that are gas permeable to allow for out-gassing of stone countertop materials. The protective covering material is designed to be permanently attached to a porous stone countertop material with the dual layer adhesive system to protect the countertop material from damage during daily use.

Abstract: A device includes a rolled tubular section and at least two strips rolled together with the tubular section. The strips extend from a rim of the tubular section and are spaced a distance apart from each other, with at least a portion of an inside area of the tubular section provided with an adhesive. When rolled, the adhesive on the inside area of the tubular section contacts at least a part of one of the two strips and the two strips form a path along the tubular section. Each of the two strips has a release layer that is configured to provide each of the two strips with a release value away from the adhesive on the inside of the tubular section of between 15-50 dynes.

Abstract: There is provided a method of attaching an elongate strip to a door frame of the body of a vehicle comprising application of the elongate strip by means of a device comprising: i. a drive means; ii. an application head; iii. a stress control unit positioned between the drive means and application head and comprising one of more sensor units; iv. and a control unit for controlling the drive means, the elongate strip comprises an adhesive tape comprising a foam layer having first and second major sides and a pressure sensitive adhesive layer associated with one of the major sides of the foam layer, the pressure sensitive adhesive comprising a cross-linked rubber and the foam layer comprises an acrylic polymer of one or more alkyl acrylates having an average of 3 to 14 carbon atoms in the alkyl group, the foam layer having a density of at least 540 kg/m3.

Abstract: A method of protecting a smooth surfaced substrate by a surface protection film that has improved high temperature peel force properties and low residue upon removal of the surface protection film from the smooth surfaced substrate.

Abstract: The present invention relates to an adhesive composition comprising: an alkyl acrylic acid ester monomer having an alkyl carbon number of 2 to 14; an acrylic acid ester monomer containing a hydroxyl group; and a copolymer obtained by copolymerizing an acrylic acid ester monomer. The present invention also provides the adhesive composition and an adhesive film using the same, a touch panel, and an electronic device. The adhesive composition of the present invention has characteristics of high flexibility and good cutting properties, durability, transparency, etc.

Abstract: The invention relates to a thermoformable paint film laminate comprising, in the following order, a) a backing sheet layer of thermoplastic resin, b) optionally, an adhesive layer, c) at least one intermediate layer, d) a low-gloss soft-feel layer having a surface having a gloss at 60° of at most 20 gloss units, e) a pressure-sensitive adhesive layer having a higher adhesion to the removable protective layer f) than to the low-gloss soft-feel layer d), and f) a removable protective layer, wherein the low-gloss soft-feel layer d) is obtained by applying a liquid coating composition on the at least one intermediate layer c) and drying and curing the liquid coating composition, and wherein the liquid coating composition comprises a polycarbonate diol and a hydroxyl-reactive crosslinker.

Abstract: An adhesive strip, with improved barrier effect, encapsulates electronic arrangements against permeates, whereby the composite system comprises at least (a) an adhesive strip containing at least one pressure-sensitive adhesive substance for direct application on a substrate; and (b) at least one release liner which lies directly upon the pressure-sensitive adhesive substance, wherein the surface of the release liner, that faces the pressure-sensitive adhesive substance, has a surface roughness of less that 100 nm, measured as an arithmetic mean Sa as per ISO/FDIS 25178-2:2011 of the amounts of at least 10,000 height values of the profile of a partial surface of at least 200 ?m×200 ?m. A method produces a release liner with a smooth surface for equipping barrier adhesive strips by removing the liner in order to encapsulate electronic arrangements with the adhesive strip.

Abstract: A process is disclosed for using two polymeric bonding material layers to bond a device wafer and carrier wafer in a way that allows debonding to occur between the two layers under low-force conditions at room temperature. Optionally, a third layer is included at the interface between the two layers of polymeric bonding material to facilitate the debonding at this interface. This process can potentially improve bond line stability during backside processing of temporarily bonded wafers, simplify the preparation of bonded wafers by eliminating the need for specialized release layers, and reduce wafer cleaning time and chemical consumption after debonding.

Abstract: Described herein are pressure sensitive adhesive type of wavelength conversion tapes that are easy-to-apply to a solar harvesting device using an adhesive layer. The pressure sensitive adhesive type of wavelength conversion tape comprises a pressure sensitive adhesive layer, wherein the pressure sensitive adhesive layer comprises one, or multiple, luminescent dyes that convert photons of a particular wavelength to a different more desirable wavelength. The adhesive layer is designed to adhere to the light incident surface of a solar harvesting device such as a solar cell, solar panel, or photovoltaic device, to improve the efficiency of the device.

Abstract: A laminate body, method, and materials for temporary substrate support are provided. The laminate body can hold N and protect thin, brittle substrates such as flexible glass or thin semiconductor wafers during further processing such as vapor deposition or thinning by grinding. The provided laminate body, in one embodiment, includes a support, a release layer disposed upon the support, a joining layer disposed upon and in contact with the release layer, and a substrate disposed upon and in contact with the joining layer. The release layer can include an acrylic adhesive and an adhesion modifying agent.

Abstract: There is provided an article having a release liner and a pressure sensitive adhesive composition disposed along a major surface of the release liner, where the pressure sensitive adhesive composition has at least 50 wt-% of polymerized units derived from alkyl meth(acrylate) monomer(s); and 0.2 to 15 wt-% of at least one crosslinking monomers comprising a (meth)acrylate group and a C6-C20 olefin group, the olefin group being optionally substituted. In another embodiment, an adhesive composition is described comprising a syrup comprising i) a free-radically polymerizable solvent monomer; and ii) a solute (meth)acrylic polymer comprising polymerized units derived from one or more alkyl(meth)acrylate monomers; wherein the syrup comprises at least one crosslinking monomer or the (meth)acrylic solute polymer comprises polymerized units derived from at least one crosslinking monomer, the crosslinking monomer comprising a (meth)acrylate group and a C6-C20 olefin group, the olefin group being optionally substituted.

Abstract: A pressure-sensitive adhesive tape includes: a pressure-sensitive adhesive layer that contains at least a fine particle and/or a bubble and both the surfaces of which are pressure-sensitive adhesive surfaces; and a release liner having both a first release layer that is provided on one surface of the pressure-sensitive adhesive layer so as to contact the one surface and a second release layer located opposite to the first release layer. The thickness of the pressure-sensitive adhesive layer is 0.2 to 2.0 mm. The second release layer of the release liner is structured such that a holding time measured by a predetermined method is 2500 minutes or longer.

Abstract: An adhesive tape includes a base tape layer, an adhesive layer, and a release liner. The adhesive layer is applied to the base tape layer and includes a tacky surface. The release liner is arranged on the tacky surface, and is also configured for removal from the base tape layer to thereby uncover the tacky surface. The release liner is constructed from a film that is characterized by a microstructure having polymer chains with a multi-axial orientation such that the release liner has substantially equivalent strength in multiple non-parallel directions. A method of affixing a component to a panel via the adhesive tape is also disclosed.

Abstract: A breathable multilayer spun bonded polypropylene membrane having a coated pressure sensitive adhesive capable of allowing air and moisture vapor to pass through it. The adhesive is formed of a copolymer comprising a backbone of n-butyl acrylate, 2-ethylhexyl acrylate, and vinyl acetate which is mixed with a surfactant and emulsified to produce bubbles which form pores when the copolymer is set with about 80% to about 90% of the pore sizes ranging from about 200 microns to about 300 microns and a pore density in the cured pressure sensitive adhesive ranging from about 4200 per inch2 to about 4600 per inch 2, said pores being uniformly distributed to form a flow path through the adhesive.

Abstract: Described herein are methods and apparatuses for manufacturing a pre-cut plastic card structure via laser cutting, having a plastic card, plastic card prelaminate and sticker separable from the plastic card structure. The plastic card prelaminate includes a first plastic sheet, a first adhesive layer arranged below the first plastic sheet, a release layer arranged below the first adhesive layer, a laser barrier layer arranged below the release layer, and a second plastic sheet arranged below of the laser barrier layer.

Abstract: A printable laminate label and a printed self-adhesive laminate label woundable to a roll. An apparatus for providing a linerless label and a method for providing a linerless label. A label according to an embodiment includes a face stock, an adhesive layer and a release liner. The release liner is releasably attached to a surface of the adhesive layer and an opposing surface of the adhesive layer is attached to a release layer. The release layer is attached to a surface of the face stock, and an opposing surface of the face stock comprises a printable surface. The adhesive layer is detachable from the release layer attached to the surface of the face stock and attachable on a printed surface of the face stock.

Abstract: Aspects disclosed herein relate to providing improved selection of a near field communication (NFC) radio frequency (RF) discovery loop based on one or more measurements obtained from one or more sensors associated with a NFC device. In the disclosed aspects, a NFC device may be equipped to obtain an informational value for a device based on a measurement obtained from one or more device sensors. The NFC device may be further equipped to select a RF discovery loop based on the obtained informational value. The NFC device may be further operable to perform RF discovery using the selected RF discovery loop.

Abstract: A polymer sheet includes a polyurethane core. The polyurethane core has a first major surface and a second major surface opposite the first major surface. The polymer sheet can have at least one functional layer overlying a major surface. The polymer sheet has a thickness tPS. The polyurethane core has a thickness tPC. In embodiments tPC can be at least 0.3 tPS. The polyurethane core can have at least one of the following property: (i) a Scratch Resistance Rating, as further described herein, of not greater than about 10 wt %, (ii) an elongation at break of at least 200%, (iii) a tensile strength at break of at least 0.3 MPa, (iv) a loss of tensile strength of not greater than about 30% when exposed to UV light according to standard SAE J1960 (Rev. August 2003). The polymer sheet can be used for gaskets or bonding tapes.

Abstract: Liner for protecting adhesives with respect to permeates originating from the surroundings or included during winding, stacking or other process steps, having at least one non-stick release layer and at least one getter material that is able to absorb at least one substance capable of permeation, the getter material being contained as a dispersed phase in at least one layer of the liner.

Abstract: A photographic paper and advertizing film poster convenient for re-adhering relates to a photographic paper and an advertizing film. The photographic paper and advertizing film poster comprises a main body and an adhesive coating. The main body is a photographic paper or an advertizing film. The adhesive coating is disposed on the back of the main body. The adhesive coating is a high-molecular polymer coating having features of elastic flexible adhesive. The adhesive coating is also adhered with a separable material layer. The photographic paper is a piece of RC photographic paper, cast coated photographic paper laminated with a film on the back or swellable photographic paper. The advertizing film is a PP film, PVC film, PET film or compound film with a blotting coating. The problem that convenient, long-term and repeated adhesion photographic paper and advertizing film poster cannot be realized at the same time on the wall with emulsion paint, glass, stainless steel and wood plate is solved.

Abstract: The technical problem to be solved by this invention is to give the transfer film a laminar structure that gives no damage to the decorative layer and is resistant to impact, a long period of use, and extensive deformation caused by repeated squeezes. The objects of this invention are to provide the transfer film in which the decorativeness is never damaged by the cracking, abrasion, or peeling during the period of use and also to provide synthetic resin molded products decorated with this transfer film. The solution to the above-described technical problem is a transfer film comprising a base film of a synthetic resin, a protective film of another synthetic resin peelably laminated to the base film, an adhering layer to be adhered to an article to be decorated, and a printed or vapor-deposited decorative layer sandwiched between the protective film and the adhering layer.

Abstract: Embodiments disclosed herein provide for multi-layered assemblies comprising a carrier having opposed sides; a heat sealable layer disposed on at least a portion of one of said sides of the carrier, said heat sealable layer comprising a partially salt neutralized ionomer; and a polymeric film comprising polyurethane and having opposed sides, wherein one of said sides of the polymeric film in at least in partial contact with said heat sealable layer, methods of making the same as well as other variations.

Abstract: The present invention provides an adhesive film comprising a colored polyvinyl chloride film having opposite first and second major sides, the first major side having an adhesive layer protected by a release liner and a primer layer arranged between the colored polyvinyl chloride film and the adhesive layer, the primer layer comprising an aminoplast and a polyester and/or a curing product thereof and having a thickness of more than 10 microns, the second major side having a clear transparent top layer. Further provided is a use of the adhesive film in producing graphics on a substrate.

Abstract: Composition blends are prepared that are hot melt processable pressure sensitive adhesives. The composition blends include at least one olefinic block copolymer, at least one elastomeric polymer, and at least one tackifying resin. The composition blends may also include additional components, such as for example, at least one plasticizer.

Abstract: A method for manufacturing a label laminate. The method includes unwinding a first material layer, unwinding a second material layer, coating the unwound first material layer with at least one water based adhesive layer, supporting the coated first material layer by a belt while heating said at least one water based adhesive layer by at least one heating device in order to dry said at least one water based adhesive layer, and laminating the first material layer including the at least one water based adhesive layer together with the second material layer in order to form the label laminate. The invention further relates to a label laminate and to a system for manufacturing a label laminate.

Abstract: A tack-free, tamper-evident label comprising: (A) A transparent, polymeric facesheet; (B) A release ink in partial contact with the facesheet; (C) A primecoat ink in partial contact with both the release ink and the facesheet; (D) A polymeric film in contact with the primecoat ink; (E) An adhesive in contact with the polymeric film; and (F) An optional release liner in contact with the adhesive.

Abstract: An adhesive composition for bonding a wafer and a support for the wafer. The adhesive composition contains an elastomer in which a styrene unit is contained as a constituent unit of a main chain, a content of the styrene unit is 14% by weight to 50% by weight, and a weight average molecular weight of the styrene unit is 10,000 to 200,000.

Abstract: An environmentally friendly laminate structure that provides improved print properties, wherein the laminate structure comprises a print film and an overlaminate film. The print film includes a print layer and a support layer. In one embodiment the print film further comprises an adhesive layer. In another embodiment the print film even further comprises a release liner. The print layer comprises a polymeric material and a silicone additive. The overlaminate material comprises a polymeric material. The overlaminate material may further comprise a functional material.

Abstract: The present invention is directed to a multilayer pressure sensitive adhesive (PSA) film, having a first pressure sensitive adhesive layer and at least one opposing layer, characterized in that the first pressure sensitive adhesive layer comprises a pressure-sensitive adhesive composition comprising (co)polymers of: a) (meth)acrylate ester of 2-alkyl alkanols wherein the molar carbon number average of said 2-alkyl alkanols is 12 to 32; and optionally b) (meth)acrylate esters of C1-12 alkanols; wherein the molar carbon number average of the alkanols of the a) and b) (meth)acrylic acid esters is 12 to 32; wherein the at least one opposing layer comprises at least one filler material selected from the group of filler particles, wherein the filler particles are expanded perlite. The invention is also directed to a method for the manufacturing of such a multilayer PSA film and its use.

Abstract: A pressure-sensitive adhesive label comprising: recording paper including a recording surface; a pressure-sensitive adhesive layer placed on a rear surface of the recording paper on an opposite side of the recording surface; and a function layer placed on the pressure-sensitive adhesive layer, wherein a surface of the pressure-sensitive adhesive layer on the function layer side has a smoother surface than the rear surface of the recording paper, and the function layer is configured to be opened by heating to expose the pressure-sensitive adhesive layer.

Abstract: A pressure-sensitive adhesive label comprising: recording paper including a recording surface; a barrier layer placed on the recording paper on an opposite side of the recording surface; a pressure-sensitive adhesive layer placed on the barrier layer; and a function layer placed on the pressure-sensitive adhesive layer, in which the function layer is configured to be opened by heating to expose the pressure-sensitive adhesive layer.

Abstract: A method for manufacturing a label laminate is disclosed. The method includes unwinding a first material layer, unwinding a second material layer, coating the first material layer with at least one water based adhesive layer, supporting the coated first material layer by a metal belt while heating said at least one water based adhesive layer by said metal belt in order to dry said at least one water based adhesive layer, and laminating the first material layer having at least one water based adhesive layer together with the second material layer in order to form the label laminate. The invention further relates to a label laminate and a system for manufacturing a label laminate.

Abstract: A cushioning device including a layer of styrenic based gel material having top and bottom surfaces, a first layer including: i. layer of maleic anhydride and ii. layer of thermoplastic polyurethane, wherein the first layer has a surface bonded to the top surface of the layer of styrenic based gel material, the second layer has a surface bonded to the bottom of the layer of styrenic based gel material and wherein a pressure sensitive adhesive coating is disposed on at least one of the first and second layers opposite to the layer of styrenic based gel material.

Abstract: A multilayer pressure sensitive adhesive (PSA) film having a first acrylic pressure sensitive adhesive layer and an opposing second acrylic pressure sensitive adhesive layer, wherein the first pressure sensitive adhesive layer has a glass transition temperature Tg?0° C. and a content of a strongly polar acrylate of 7.5 to 15 wt.-% in its precursor, and the second pressure sensitive adhesive layer has a Tg?0° C. and contains 0.5 to 12 wt.-% of a strongly polar acrylate in its precursor, wherein the content of the strongly polar acrylate of the precursor of the first pressure sensitive adhesive layer exceeds the content of the strongly polar acrylate of the precursor of the second pressure sensitive adhesive layer by at least 2 wt.-% and wherein the Tg of the first pressure sensitive adhesive layer exceeds the Tg of the second pressure sensitive adhesive layer by at least 5° C.

Abstract: A finish material installation membrane is described. The membrane includes: a first adhesive layer; a structural layer coupled to the first adhesive layer; a second adhesive layer coupled to the structural layer, and a backing layer coupled to the second adhesive layer. A double-sided adhesive membrane adapted to secure finish material to a sub-surface includes: a structural layer; a first adhesive layer coupled to a first surface of the structural layer; a second adhesive layer coupled to a second surface of the structural layer; a first release liner coupled to the first adhesive layer; and a second release liner coupled to the second adhesive layer.

Abstract: A double-sided reusable adhesive sheet which includes a substrate, a first film layer attached to one surface of the substrate, and a second film layer attached to an opposed surface of the substrate, wherein a glass transition temperature of a high temperature curing process of the first and second film layers is 120˜240° C., wherein surfaces of said first and second film layers are respectively provided with a plurality of micro-bubble structures, so that the first and second film layers can be repeatedly engaged and disgengaged and the adhering force is also enhanced, so that a reusable adhesive double-sided sheet structure is provided.

Abstract: A flying splices tape comprising a tape body which is used in bonding two laminate sheets and further comprises a first viscose layer, a carrier layer, a split layer based on starch, and a second viscose layer sequentially stacked. As such, the present invention of a flying splices tape which depends on water-soluble viscose layers as environment-friendly media features simplified structure and truly stable effect, facilitating manufacture conforming to economic efficiency, making sure of quality, and promoting market competitiveness.

Abstract: A sealing label that includes a first base material, and a second base material which is bonded to one surface of the first base material, and is repeatedly and removably bonded to an opening of a packing container so that the base material seals the opening; the label includes a sealing part which seals the opening; and a support part which is connected with at least one part of the sealing part and bonded to the packing container; wherein the sealing part and the support part has a boundary part, the boundary part has a cut line, wherein the cut line extends in a direction intersecting with a peeling direction to which the sealing part is peeled, the second base material is cut and divided into a proximal area, which is on the proximal side in the peeling direction, and a distal area, which is on the distal side in the peeling direction, by the cut line; and a peeling layer, which releases the first base material from the second base material, is provided between the first base material and the second base

Abstract: Multilayer film with high tear propagation resistance of at least 300 mN for a total layer thickness of 45 ?m, a shrinkage of ?1% at 120° C. and release properties, comprising a layer (a) formed of at least one propylene copolymer and optionally at least one olefin homopolymer, at least one internal layer (b) formed of at least one olefin/alkyl (meth)acrylate copolymer, a layer (c) formed of at least one propylene copolymer and optionally at least one olefin homopolymer with optional adhesion layers (d) and (e) arranged between layers (a) and (b), and between layers (b) and (c) respectively.

Abstract: According to one embodiment, a method of making a roofing membrane is provided. According to the method, an ethylene propylene diene monomer rubber (EPDM) material sheet is provided and a thermoplastic polyolefin (TPO) material sheet is extruded onto the EPDM material sheet. The EPDM material sheet and TPO material sheet are then pressed together via one or more rollers. The EPDM material is uncured and has a thickness of between about 50 mils and 70 mils. The extruded TPO sheet has a temperature of at least 150 degrees Celsius and a thickness of between about 15 mils and 35 mils. The heat of the TPO material sheet causes a top portion of the EPDM material sheet to cure such that crosslinking of the TPO and EPDM material sheets occurs at an interface of the sheets to bond the sheets together.