Abstract: A method of making a sacrificial coating composition is disclosed. The method comprises emulsifying an oil with surfactant and water to form an oil-in-water emulsion; and combining ingredients comprising (i) at least one polymer, (ii) at least one hygroscopic material, (iii) the oil-in water emulsion and (iv) water to produce the sacrificial coating composition. The at least one polymer is selected from the group consisting of a hydrophilic polymer, a latex comprising polymer particles dispersed in a continuous liquid phase, or mixtures thereof.

Abstract: Disclosed are protective coating compositions having enhanced gloss retention properties formed by steps comprising: (i) providing one or more fluorocopolymers by copolymerization of (1) one or more hydrofluoroolefin monomer(s) selected from the group consisting of hydrofluoroethylenes, hydrofluoropropenes, hydrofluorobutenes, hydrofluoropentenes and combinations of these, (2) one or more vinyl ester monomer(s), and (3) one or more vinyl ether monomer(s), wherein at least a portion of said vinyl ether monomer is a hydroxyl group-containing vinyl ether monomer, wherein the copolymer preferably has a number average molecular weight of greater than about 10,000; (ii) providing a VOC containing carrier for said one or more fluorocopolymers; and (iii) providing a stabilizing agent comprising: a) a radical scavenger and b) an absorber of UV light; and (iv) combining said one or more fluorocopolymers with said carrier and said stabilizing agent to produce a polymeric coating composition.

Abstract: The invention pertains to a fluoropolymer composition comprising: —at least one fluoropolymer [polymer (A)]; —at least one benzoxazine compound [compound (B)] of formula (I), wherein each of Ra, equal to or different at each occurrence, is H or a C1-C12 alkyl group; Rb is a C1-C36 hydrocarbon group, possibly comprising heteroatoms, optionally comprising at least one benzoxazine group; j is zero or an integer of 1 to 4; each of Rc, equal or different at each occurrence, is a halogen or a C1-C36 hydrocarbon group, possibly comprising heteroatoms, optionally comprising at least one benzoxazine group; —at least one aromatic polyimide polymer [polymer (PI)]; —at least one organic solvent [solvent (S)], and to a method for coating a surface, specifically a metal surface, with a fluoropolymer, using said fluoropolymer composition.

Abstract: A method of manufacturing a hydrophobic material is provided, which includes: (a) mixing a sol-gel precursor, water, and catalyst to perform a sol-gel reaction for forming a solution having particles therein, (b) modifying the particles with a hydrophobic agent to form surface-modified particles, (c) adding a small-molecular surfactant to the solution containing the surface-modified particles to form a first dispersion, (d) mixing a resin, a water soluble polymer, and water to form a second dispersion, and (e) mixing the first dispersion and the second dispersion to obtain a hydrophobic material.

Abstract: An aqueous dispersion capable of providing a coating composition with balanced properties of early block resistance and good chemical resistance including water resistance, 48% alcohol resistance, and paraffin oil resistance; a process of preparing the same; and a coating composition comprising the same.

Abstract: The present invention provides an economical route to environmentally friendly polymeric coatings with a high content of raw materials from renewable resources. These polymeric coatings offer performance characteristics that are competitive with conventional coating systems. The unique polymers on which this invention is based are copolymers of triglyceride oils, such as soybean oil, linseed oil, or another natural oil, with a vinyl compound, such as an acrylate or methacrylate, or a vinyl aromatic monomer. The present invention more specifically discloses a water dispersible, self-crosslinkable prepolymer composition which is comprised of a triglyceride oil having appended thereto (1) hydroxyl groups, (2) epoxy groups, (3) moieties which contain at least one aldehyde group or at least one ketone group, and (4) moieties which contain at least one vinyl and/or substituted vinyl group. In one embodiment of this invention the moiety which contains at least one vinyl group is derived from maleic anhydride.

Abstract: Disclosed is a polycarbonate article coated with a coating composition for glazing, and in particular, the polycarbonate article coated with the coating composition may have an adhesion property with a material made of polycarbonate, thereby protecting the material made of polycarbonate from ultraviolet rays and the like. In addition, among the coating composition, a primer layer from the coating composition may be applied on the material made of polycarbonate may provide and a hard coating layer painted on the primer layer, thereby providing abrasion resistance. The polycarbonate article of the present invention comprises a polycarbonate panel; a primer layer applied on the panel; and a hard coating layer applied on the primer layer.

Abstract: A packaging composition and packaging structure employing the same are disclosed. The packaging composition includes: (a) 30-70 parts by weight of free radical polymerizable monomer, and (b) 30-70 parts by weight of prepolymer. In particular, the oligomer is a reaction product of polythiol compound and polyester oligomer having acrylate functional group.

Abstract: Conformable coating composition are described comprising a (meth)acrylate copolymer comprising interpolymerized monomer units of fluorinated monomer and a volatile solvent having a solubility parameter from 4.9-12.5 (cal/cm3)1/2. In some embodiments, the fluorinated monomer has a Tg <30° C. In some embodiments, the dried coating exhibits no blocking and no greater than 75% failure at an elongation of 100%. Also described is a conformable film comprising a dried coating composition of the coating compositions described herein, articles comprising a layer of the conformable film on a substrate, and a copolymer comprising interpolymerized units of fluorinated monomer(s), silane monomer(s); and one or more monomers having a Tg ?50° C.

Abstract: An organic film forming composition having improved hygroscopic properties (e.g., moisture-adsorbing abilities) and an electronic apparatus including a cured product of the organic film forming composition.

Abstract: The invention relates to a block copolymer film nanostructured into nanodomains, obtained from a base block copolymer having a molecular weight of greater than 50 kg/mol, and preferably greater than 100 kg/mol and less than 250 kg/mol, and at least one block of which comprises styrene, and at least one other block of which comprises methyl methacrylate. This film is characterized in that the styrene-based block is formed by a copolymer of styrene and diphenylethylene (DPE).

Abstract: This liquid sealing material has low thermal expansion and has injection properties for injection into gaps between a semiconductor element and a substrate; this electronic component is formed by sealing a sealing site using the liquid sealing material. This liquid sealing material is characterized by containing (A) a liquid epoxy resin, (B) a curing agent, (C) a silica filler with an average particle diameter of 7-50 nm, surface treated with 2-(3,4-epoxy cyclohexyl) ethyl trimethoxysilane, and (D) a silica filler with an average particle diameter of 0.2-5 ?m, wherein relative to a total of 100 parts by mass of all components of the liquid sealing material, the total of the silica filler of component (C) and the silica filler of the component (D) is 45-77 parts by mass, and the mixing ratio (weight ratio) of the silica filler of component (C) and the silica filler of component (D) is 1:10.2-1:559.

Abstract: The present invention relates to a pigmented aqueous basecoat material comprising a reaction product which is preparable by reaction of (a) at least one compound of the formula (I) X1—Y—X2??(I) in which X1, X2 independently of one another, are each a functional group which is reactive toward epoxide groups, or hydrogen, with, however, at least one of the two groups X1 and X2 being a functional group which is reactive toward epoxide groups, and Y is a divalent aliphatic, aromatic or araliphatic hydrocarbon radical having a number-average molecular weight of 100 to 2500 g/mol, with (b) at least one compound of the general structural formula (II) in which R is a C3 to C6 alkylene radical and n is selected accordingly such that the compound (b) possesses an epoxide equivalent weight of 100 to 2000 g/mol, where components (a) and (b) are used in the reaction in a molar ratio of 2.3/0.7 to 1.7/1.

Abstract: The present application relates to a hard-coating resin composition including a siloxane resin, a preparing method of a siloxane cured hard-coating article using same and an optical film including the siloxane cured hard-coating article.

Abstract: A polymer useful in coating compositions is described. The polymer is preferably an unsaturated polyurethane polymer, which preferably has an iodine value of at least 10. The polymer may be combined with one or more liquid carriers to form a liquid coating composition useful in coating a variety of substrates, including planar metal substrates.

Abstract: Methods of forming and using a polymer dispersion are described herein. The polymer dispersion includes a plurality of polythioaminal microparticles in a fluid medium that does not dissolve the plurality of polythioaminal microparticles. The fluid medium may be aqueous, for example water. The polymer dispersion may be applied to a substrate, and the fluid medium removed, to form an article substantially made of a polymerized polythioaminal mass. The dispersion, and any article made from the dispersion, may include pigments and active ingredients, such as biocides.

Abstract: A silicone release coating composition comprises: (A) 100 weight parts of an organopolysiloxane fluid having a viscosity at 25° C. of 50 to 10,000 mPa·s and an alkenyl content of 0.10 to 3.0 wt %; (B) 0.5-40 weight parts of a diorganopolysiloxane represented by the average structural formula (1): Rc3SiO(RbRcSiO2/2)n1(Rc2SiO2/2)n2SiRc3 ??(1) wherein Rb is an alkenyl group; Rc is an alkyl group or a phenyl group; n1 provides an alkenyl content of 0.05 to 0.80 wt. %; n2 is at least 1; and n1+n2 provides this component with a viscosity at 25° C. of 5,000 to 150,000 mPa·s; (C) an organohydrogenpolysiloxane that has a viscosity at 25° C. of 1 to 1,000 mPa·s, at least two silicon-bonded hydrogen atoms in each molecule, and an alkyl group or a phenyl group for its silicon-bonded organic groups; (D) a hydrosilylation reaction catalyst in a catalytic amount; (E) a surfactant; (F) water; and (G) an inhibitor.

Abstract: A coloring composition for decoration includes a compound having at least a structure represented by Formula 1 in a molecule, a compound having at least a structure represented by Formula 2 in a molecule, and a pigment. In the formulae, Ra represents a hydrogen atom, a halogen atom, an alkoxy group, an alkyl group, an alkenyl group other than a vinyl group, an aryl group, or an aralkyl group, and Rb represents a halogen atom, an alkoxy group, an alkyl group, an alkenyl group, an aryl group, or an aralkyl group.

Abstract: The present disclosure provides methods of making organosiloxane polymer compositions from hydrosilylation curable compositions comprising at least the components (a) and (b) and at least one of components (c) and (d): (a) an organosiloxane resin material comprising aliphatic unsaturation; and (b) an organosiloxane crosslinker comprising multiple silicon atom-bonded hydrogen atoms (e.g., an “SiH siloxane”); in combination with at least one of (c) at least one organosiloxane comprising at least two silicon atom-bonded hydrogen atoms; and (d) at least one organosiloxane comprising at least two silicon atom-bonded hydrocarbyl groups comprising aliphatic unsaturation (e.g., a “di-vinyl functional siloxane”). Such hydrosilylation curable compositions have, in some instances, significantly faster cure speed, relative to their condensation curable counterparts.

Abstract: A polishing slurry for silicon, a method of polishing polysilicon, and a method of manufacturing a thin film transistor substrate, the slurry including a polishing particle; a dispersing agent including an anionic polymer, a hydroxyl acid, or an amino acid; a stabilizing agent including an organic acid, the organic acid including a carboxyl group; a hydrophilic agent including a hydrophilic group and a hydrophobic group, and water, wherein the polishing particle is included in the polishing slurry in an amount of about 0.1% by weight to about 10% by weight, based on a total weight of the slurry, a weight ratio of the polishing particle and the dispersing agent is about 1:0.01 to about 1:0.2, a weight ratio of the polishing particle and the stabilizing agent is about 1:0.001 to about 1:0.1, and a weight ratio of the polishing particle and the hydrophilic agent is about 1:0.01 to about 1:3.

Abstract: A method comprising bonding an element to one or more bonding substrates by inductive heating using a magnetic field whose frequency is situated in a frequency range from 100 Hz to 200 kHz. The element comprises at least one electrically conducting layer having an electrical conductivity of more than 40 MS/m for 300K and at least one heat-activatable adhesive layer coated onto at least one side of the electrically conducting layer, and the heat-activatable adhesive layer comprises at least one thermally conductive filler. The material of the thermally conductive filler has a thermal conductivity of at least 0.5 W/(m*K) and is electrically nonconducting such that the element provides, in a direction perpendicular to the areal extent of the element, an electrical breakdown resistance, as determined in accordance with VDE 0100.

Abstract: A plastic binding strip jointing/fusing structure includes a plastic binding strip having a plastic binding strip body. The plastic binding strip includes first and second ends connected to each other. The plastic binding strip further includes two longitudinal sides parallel to each other. Two mutually facing faces of the first and second ends form two overlapped contact faces. The first and second ends of the plastic binding strip body are heated between the two overlapped contact faces. Each overlapped contact face includes at least one hot melt engaging section and at least one non-melt section. The at least one non-melt section of each overlapped contact face is disposed on and blocks a lateral side of the at least one hot-melt engaging section. The at least one hot melt engaging sections of the two overlapped contact faces of the first and second ends engage with each other after hot melting.

Abstract: An adhesive film for polarizing plates, a polarizing plate including the same, and an optical display including the same are provided. An adhesive film for polarizing plates is formed of an adhesive composition including a (meth)acrylic copolymer and a cellulose ester binder. The (meth)acrylic copolymer contains an alkyl group, a hydroxyl group, an alicyclic group, and a hetero-alicyclic group. The adhesive film has a modulus at 30° C. of about 100,000 Pa or more.

Abstract: An adhesive tape is provided comprising a duct tape having an adhesive surface and a non-adhesive surface, a white ink printed on the non-adhesive surface of the duct tape, and a colored ink printed on top of the printed white ink. The white ink and the colored ink are digitally printed and UV curable. A self-wound roll of adhesive duct tape having digitally printed ink on the non-adhesive surface of the duct tape is also provided.

Abstract: An assembly comprising a first article, a second article adjacent the first article, and an electrically conductive adhesive in electrical communication with the first article and the second article. The electrically conductive adhesive comprises nickel nanostrands dispersed in a matrix comprising a reaction product of bisphenol-F epoxy resin, resorcinol diglycidyl ether epoxy monomer, and at least one amine-containing curing agent. The electrically conductive adhesive exhibits a tensile adhesion strength greater than about 5,000 psi and a volume resistivity less than about 0.01 ?·cm. Electrically conductive adhesives including nickel nanostrands, precursor packages of the electrically conductive adhesive, related methods of forming the electrically conductive adhesive and an assembly including the electrically conductive adhesive are also disclosed.

Abstract: An aqueous adhesive composition including a certain emulsion polymer and an epoxysilane wherein the adhesive composition is substantially free from crosslinking agent is provided. A method for providing a substrate bearing a paper label, the adhered label having ice water resistance, and a method for removing the paper label from the substrate are also provided.

Abstract: A composition for a bond ply, and a circuit subassembly that comprises such bond ply, are disclosed. The circuit subassembly can have a UL-94 rating of V-0. The composition of the bond ply layer comprises 25 to 45 volume percent of liquid resin; 10 to 40 weight percent of a bromine-containing or phosphorus-containing aromatic compound having a peak melting point of at least about 260° C.

Abstract: Hot melt adhesives with pressure sensitive adhesive properties for electronic devices are described. The hot melt adhesive comprises a styrenic block copolymer with fully hydrogenated and saturated soft blocks, a liquid diluent or a tackifier, a (meth)acrylate monomer or an oligomer having at least two (meth)acrylic functionalities per oligomer chain, and an initiator. The hot melt adhesive is also a reworkable UV curable optically clear adhesive film. The adhesive and film are suitable as a laminating PSA film or encapsulant for LCD display, LED display, touch screen, and flexible thin film photovoltaic module.

Abstract: Provided is a photocurable adhesive with which curing by direct irradiation of laser light is possible with almost no occurrence of surface carbonization and which is capable of satisfactory curing even when the coating thickness is increased. A photocurable adhesive, which is cured by irradiation of laser light, is provided. The curable adhesive contains an epoxy adhesive component, a light-absorbing component for thermal curing of the epoxy adhesive component by absorption of laser light, and an inorganic filler. The content of the light-absorbing component is 0.1 mass % or less. The pre-curing thermal conductivity of the photocurable adhesive is at least 0.2 W/m·K and the post-curing thermal conductivity is at least 0.5 W/m·K.

Abstract: A solvent-free adhesive composition is provided. The solvent-free adhesive composition includes 80 wt. % to 95 wt. % of polyol prepolymer and 5 wt. % to 20 wt. % of diol prepolymer, wherein the diol prepolymer contains at least 20 wt. % of diol prepolymer having alkyl group in side chain.

Abstract: Thermoplastic Polyimide (TPI) polymer adhesive coated laminating films in which the TPI coating is under cured or B-staged as well as the process for preparing the films and the use thereof is disclosed.

Abstract: A sealant composition for roofing shingles that includes a base asphalt, a linear and/or a radial copolymer, oil, and a wax is provided. The linear copolymer has an A-B di-block or an A-B-A tri-block structure. The radial copolymer may have an (A-B)n radial structure, where n is at least 4, or a tri-block (A-B-A) radial structure having from 4 to 8 arms. Blocks A and B may individually represent (1) styrene and butadiene or (2) styrene and isoprene. The oil is a petroleum-based oil that both “softens” the asphalt and reduces the viscosity of the sealant composition. The wax may be a bis-stearamide wax. Additionally, the sealant composition may be reacted with elemental sulfur to crosslink the copolymer blend. The sealant composition seals at temperatures lower than conventional sealants and promotes the easy release of the shingle from a shingle bundle.

Abstract: A seal member includes silicone rubber mixed with a polyrotaxane. The seal member includes the polyrotaxane in an amount of 3 to 10 parts by mass per 100 parts by mass of the silicone rubber. This configuration can allow molecules in the silicone rubber to slide on one another, so that the rubber material is easily deformed according to stress applied, such as insertion and removal of terminal metal pieces. Accordingly, scratch damage of the seal member can be reduced.

Abstract: A sodium silicate solution and fiber composition for repairing leaks in plumbing, and methods of making and using the same.

Abstract: An abrasive grain is disclosed and may include a body. The body may define a length (l), a height (h), and a width (w). In a particular aspect, the length is greater than or equal to the height and the height is greater than or equal to the width. Further, in a particular aspect, the body may include a primary aspect ratio defined by the ratio of length:height of at least about 2:1. The body may also include an upright orientation probability of at least about 50%.

Abstract: Provided are compositions, preferably azeotrope or azeotrope-like compositions including 1,1,1,4,4,4-hexafluoro-2-butene and chlorotrifluoropropene, particularly 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), and uses thereof of the compositions. The composition may be a heat transfer composition. The composition may be a blowing agent composition. The composition may be a solvent composition. The composition may be a sprayable composition.

Abstract: Compositions which are based on tetrafluoropropene and more particularly relates to compositions inclduing 60% to 90% by weight of 2,3,3,3-tetrafluoropropene and 10% to 40% by weight of at least one compound selected from difluoroethane and difluoromethane, which can be used as a heat transfer fluid. The compositions may include 60% to 79% by weight of 2,3,3,3-tetrafluoropropene and 21% to 40% by weight of a compound selected from difluoroethane and difluoromethane.

Abstract: Provided are a latent heat storage material that functions as a high-capacity heat storage material at a medium-to-low temperature region using a latent heat storage material composition including at least one kind of n-paraffin having 14 to 18 carbon atoms in a total amount of 100 parts by mass (hereinafter referred to as “n-paraffin-based latent heat storage material composition”) that contains, as a supercooling preventing agent, an n-alkyl alcohol and/or an n-alkyl amine having 20 to 24 carbon atoms (hereinafter referred to as “n-paraffin derivative”), and is obtained by the following a) step and b) step, a microcapsule heat storage material containing the latent heat storage material as a core material, and a method for producing the same. a) A step of melting and homogenizing the n-paraffin derivative and the n-paraffin-based latent heat storage material composition at a temperature range of 50 to 100° C.

Abstract: In some embodiments, a resin has a first domain having a first polymer. The resin has a second domain within the first domain having a second polymer and coupled to the first domain at a plurality of interfaces. The resin also has a thermally conductive filler material distributed along the plurality of interfaces. The thermally conductive filler material is present at a concentration between about 0.1 vol % and about 15 vol % of the resin.

Abstract: In some embodiments, a resin has a first domain having a first polymer. The resin has a second domain within the first domain having a second polymer and coupled to the first domain at a plurality of interfaces. The resin also has a thermally conductive filler material distributed along the plurality of interfaces. The thermally conductive filler material is present at a concentration between about 0.1 vol % and about 15 vol % of the resin.

Abstract: Provided are a diamond composite material which is excellent in thermal conductivity, suitable as a material for a heat radiating member, and dense, the heat radiating member, and a method for producing a diamond composite material that can productively produce a diamond composite material which is excellent in wettability between diamond and metal and dense. The diamond composite material includes: a coated diamond particle including a diamond particle and a carbide layer covering a surface of the diamond particle and including an element of group 4 of the periodic table; and silver or a silver alloy binding such coated diamond particles together, with an oxygen content of 0.1 mass % or less.

Abstract: A thinner that is a poly fatty amide reacted with maleic acid to form a product, and diluting the product with a compound selected from the group consisting of oleyl alcohol, fatty acid, and poly condensed fatty acid is able to reduce the viscosity of oil-based drilling fluid, thus allowing for reuse of the oil-based drilling fluid.

Abstract: Various embodiments disclosed relate to clay stabilizers. In various embodiments, the present invention provides a method of treating a subterranean formation, including obtaining or providing a composition including a clay stabilizer having the structure Y—R1—(O—R2)x—Y. The variable R1 can be a substituted or unsubstituted (C1-C20)hydrocarbylene. At each occurrence, R2 can independently be a substituted or unsubstituted (C1-C20)hydrocarbylene. At each occurrence, Y can be independently selected from a substituted or unsubstituted amino group, a substituted or unsubstituted ammonium group, a nitro group, a substituted or unsubstituted amine oxide group, and a substituted or unsubstituted (C1-C20)hydrocarbyloxy group, wherein at least one terminal group Y is a substituted amino group, a substituted or unsubstituted ammonium group, a substituted or unsubstituted amine oxide group, or a nitro group. The variable x can be an integer between 1 and 200,000.

Abstract: A variety of methods and compositions are disclosed, including, in one embodiment, a method of treating a subterranean formation comprising: providing coated particles, wherein the coated particles comprise solid particles coated with an expandable coating; and introducing the coated particles into a permeable zone of the subterranean formation such that the coated particles form a barrier to fluid flow in the permeable zone. In another embodiment, a method of drilling a well bore may be provided, the method comprising: including coated particles in a drilling fluid, the coated particles comprising solid particles coated with an expandable coating; using a drill bit to enlarge the well bore; and circulating the drilling fluid past the drill bit.

Abstract: High density brine compositions may be formulated including water and at least one rare earth nitrate salt, where the at least one rare earth salt is present in an amount effective for the high density brine composition to have a density in the range of about 8.5 to about 21 pounds per gallon (about 1020 to about 2500 kg/m3). Suitable rare earth nitrate salts include, but are not necessarily limited to, lanthanum nitrate (La(NO3)3), cerium nitrate (Ce(NO3)3), scandium nitrate, and/or yttrium nitrate. Alkaline earth metal salts such as, but not limited to, calcium bromide (CaBr2), and alkali metal salts and metal salts may also be used with the rare earth nitrate salt(s). In one non-limiting embodiment the high density brines have an absence of zinc and cesium salts. These high density brine compositions may be suitably used for completion fluids in hydrocarbon recovery operations.

Abstract: Treatment fluids containing a mixture of cellulose fibers and cellulose nanoparticles and methods for treating a subterranean formation are disclosed. The methods include introducing a treatment fluid into a subterranean formation, the treatment fluid containing a mixture of cellulose fibers and cellulose nanoparticles.

Abstract: A thinner that is a polycondensed fatty acid that is selected from the group consisting of 12-hydroxystearic acid, 12-hydroxyoctadecanoic acid, polyhydroxystearic acid, reaction products with stearic acid, octadecanoate, octadecanoic acid, and homopolymers of stearic acid is able to reduce the viscosity of oil-based drilling fluid, thus allowing for reuse of the oil-based drilling fluid.

Abstract: A non-aqueous wellbore servicing fluid comprising a fluid loss additive wherein the fluid loss additive comprises the reaction product of (i) a functional polymer and (ii) an oligomerized fatty acid. A method of conducting an oil-field operation comprising placing a non-aqueous wellbore servicing fluid downhole wherein the non-aqueous wellbore servicing fluid comprises a fluid loss additive comprising the reaction product of (i) a functional polymer and (ii) an oligomerized fatty acid.

Abstract: An expansive cement composition including a Portland cement having a calcium aluminate cement additive and a lithium compound additive is provided. The lithium compound additive is capable of producing expansion in set cements when the temperature is at or below room temperature and minimizes the amount of calcium aluminate cement additive needed.

Abstract: A barite filter cake removing composition, and single- and multi-stage methods of removing a barite filter cake from a wellbore. The composition comprises at least one polymer removal agent, at least one chelating agent, and at least one converting agent. The single-stage method includes contacting the barite filter cake with the composition to dissolve the barite filter cake from the wellbore. The multi-stage method includes contacting the barite filter cake from the wellbore with at least one polymer removal agent to remove a polymer coat present on the barite filter cake, contacting the barite filter cake with at least one converting agent to convert barium sulfate in the barite filter cake to a barium salt of carbonate, formate, cyanide, nitrate, and/or chloride, and removing the barium salt of carbonate, formate, cyanide, nitrate, and/or chloride with at least one chelating agent.