Abstract: Disclosed embodiments include an open cell, molded polyurethane foam comprising the reaction product of a reaction mixture comprising: an isocyanate mixture; and a polyol formulation, comprising a glycerin-initiated, alkylene-oxide capped natural oil polyol having a molecular weight of between 3,000 and 8,000 and a polydispersity index (PDI) of between approximately 1.5 and 2.5, wherein the PDI is defined as the ratio of the weight-average molecular weight, Mw, to the number-average molecular weight, Mn.

Abstract: A method for preparing a comb-like polyurethane, including: 1) adding a diol to a reaction vessel, stirring, heating, vacuum dehydrating, and cooling the diol; adding a diisocyanate to the diol, and pre-polymerizing the diisocyanate and the diol under vacuum to yield a polyurethane prepolymer; 2) dissolving lysine in a mixture of water and an organic solvent to yield a first solution, adding the first solution to the polyurethane prepolymer to yield a first reaction mixture; stopping stirring and allowing the first reaction mixture to stand for between 10 and 12 hrs, pouring the first reaction mixture into water, and drying a precipitate to yield a polyurethane elastomer containing carboxyl groups; 3) dissolving the polyurethane elastomer in an organic solvent to yield a second solution; adding an epoxy-terminated polyethylene glycol to the second solution, and stirring a resulting mixture at between 110 and 130° C.

Abstract: The synthesis of semi-crystalline thermoplastic polyester urethanes is disclosed. The synthesis describes parameters such as controlled concentration, distribution, and types of crystalline hard segment blocks to correlate the effect of hard segment crystallinity to that of the soft segment blocks.

Abstract: This invention discloses the use of sulfite salts as catalysts to make polyurethane polymers. In particular, this invention discloses the use of metal salts such as alkali metal salts as well as alkyl ammonium salts such as tetralkyl ammonium salts as catalysts to make polyurethane polymers. The sulfite salts are useful to make a wide variety of polyurethane polymers and polyurethane foam polymer products such as flexible polyurethane foam polymers, rigid foam polyurethane polymers, semi-rigid polyurethane polymer, microcellular polyurethane polymer, and spray foam polyurethane polymer as well as any polymeric material that requires the assistance of catalysts to promote the formation of urethane and urea bonds such as those found in polyurethane emusions for paints, coatings, protective coatings, lacquer, etc as well as other polyurethane or polyurethane containing materials such as thermoplastic polymers, thermoplastic polyurethane polymers, elastomers, adhesives, sealants, etc.

Abstract: A method of forming a lignin-based biomass epoxy resin is provided, which includes: (a) mixing a lignin, an acid anhydride compound, and a solvent to react for forming a first intermediate product, (b) reacting the first intermediate compound with a first polyol to form a second intermediate compound, and (c) reacting the second intermediate compound with an epoxy compound to form a lignin-based biomass epoxy resin.

Abstract: A method for modifying a rate of temperature change of an epoxy resin composition in a resin container during a resin casting process is proposed. The resin composition has at least one epoxy monomer component and a curing agent. A passivation agent for the curing agent is added to the epoxy resin composition. A resin container arrangement for use in such a resin transfer moulding process, a composite product having an epoxy resin composition, and a use of an organic acid in an epoxy resin casting process as a passivation agent for modifying the rate of temperature change in a resin container containing an epoxy resin composition are proposed.

Abstract: A polyester having a saturated backbone, a method of preparing said polyester, an intermediate unsaturated polyester product, and a method for preparing said intermediate unsaturated polyester product, where the number of carbon backbone atoms between two neighbouring ester groups in the backbone is randomly distributed over the polyester, and the polyester has an M/E ratio of 14 or more, wherein M is the number of backbone carbon atoms in the polyester not including the ester carbons and E is the number of ester groups in the polyester.

Abstract: A method for forming a polyaryletherketone is described. More particularly, a reaction mixture is initially supplied to the reactor vessel that contains one or more precursor monomers. A heteroaryl compound is also added to the reaction mixture. The reaction can be carried out according to, e.g., an electrophilic aromatic substitution reaction or a nucleophilic aromatic substitution reaction. The heteroaryl compound can serve as a dispersant to the polymer as it is formed. This minimizes the likelihood of gelling of the product polymer within the reactor vessel and limits the impact of process disruptions on the production of the polyaryletherketone.

Abstract: Low molecular weight polyphenylene ether (PPE) is made from higher molecular weight PPE without using solvents by extruding the higher molecular weight PPE with a phenolic modifier and a redistribution catalyst. The low molecular weight PPE has a Mw/Mn polydispersity greater than about 2 and a Mn ranging from about 10,000 to about 20,000.

Abstract: The present invention relates to a rapid and innovative mechanism for initiating anionic ring-opening polymerization of laurolactam by means of latent initiators on the basis of thermally activatable N-heterocyclic carbene compounds, such as, more particularly, N-heterocyclic carbene-CO2 compounds and carbene-metal compounds (NHCs). With the new initiation mechanism it is possible accordingly to realize molecular weights (Mw) of from 2000 up to more than 30,000 g/mol, and narrow polydispersities. The polymerizations may be carried out both in bulk and in solution in a suitable solvent. Compounds of this type are thermally latent and on heating initiate a polymerization to polylaurolactam in high yields, up to a quantitative conversion, whereas at room temperature there is no reaction. Polydispersity and molecular weight of the polylaurolactam can be adjusted through the choice of the initiator and of the reaction conditions.

Abstract: The present invention relates to a fiber comprising a biodegradable polymer which undergoes dimensional change upon injection in the human or animal body wherein the dimensional change is a reduction of the surface area to volume ratio of a factor 2 to 10. The fiber is sized for injection via a pharmaceutical syringe needle having a bore of at least 25 Gauge. The biodegradable polymer is an amorphous biodegradable polymer selected from the group of poly-hex am ethylene carbonates or polyesteramides. The amorphous biodegradable polymer is a preferably a polyesteramide comprising alpha-amino acids, diols and dicarboxylic acids as building blocks. The invention further relates to the use of the fiber for the manufacturing of a medicament for the treatment of ophthalmic diseases. The invention also relates to a process for the manufacturing of the fiber comprising the following process steps; a. extruding a biodegradable polymer into a fiber fitting in a needle of at least 25 Gauge b.

Abstract: A triptycene-based monomer, a method of making a triptycene-based monomer, a triptycene-based aromatic polyimide, a method of making a triptycene-based aromatic polyimide, methods of using triptycene-based aromatic polyimides, structures incorporating triptycene-based aromatic polyimides, and methods of gas separation are provided. Embodiments of the triptycene-based monomers and triptycene-based aromatic polyimides have high permeabilities and excellent selectivities. Embodiments of the triptycene-based aromatic polyimides have one or more of the following characteristics: intrinsic microporosity, good thermal stability, and enhanced solubility. In an exemplary embodiment, the triptycene-based aromatic polyimides are microporous and have a high BET surface area. In an exemplary embodiment, the triptycene-based aromatic polyimides can be used to form a gas separation membrane.

Abstract: A process and composition for the hydrosilylation of an unsaturated compound comprising reacting (a) a silyl hydride with (b) an unsaturated compound in the presence of (c) a platinum compound and (d) a cyclodiene, with the proviso that when the unsaturated compound is a terminal alkyne, the silyl hydride is other than a halosilane. The process and composition optionally comprise an inhibitor (e). The process and composition may be employed to form a variety of hydrosilylation products.

Abstract: There is provided herein an organofunctional polysiloxanes comprising hydroxyl polyester groups made by reaction of epoxy functional polyorganosiloxanes and oligmeric polyesters based on polyhydroxy carboxylic acids. There is also provided methods for making the organofunctional polysiloxanes and agricultural, coating, personal care and home care applications containing the organofunctional polysiloxanes.

Abstract: A functionalized carbon fiber having covalently bound on its surface a sizing agent containing epoxy groups, at least some of which are engaged in covalent bonds with crosslinking molecules, wherein each of said crosslinking molecules possesses at least two epoxy-reactive groups and at least one free functional group reactive with functional groups of a polymer matrix in which the carbon fiber is to be incorporated, wherein at least a portion of said crosslinking molecules are engaged, via at least two of their epoxy-reactive groups, in crosslinking bonds between at least two epoxy groups of the sizing agent. Composites comprised of these functionalized carbon fibers embedded in a polymeric matrix are also described. Methods for producing the functionalized carbon fibers and composites thereof are also described.

Abstract: An interlayer comprised of a blend of thermoplastic resins and at least one high refractive index having improved acoustic and optical quality is disclosed. The use of a blend thermoplastic resins and a high refractive index plasticizer improves transparency and acoustic properties without sacrificing other characteristics of the interlayer.

Abstract: Methods of making a prepreg are described. The methods include the steps of forming a fiber-containing substrate, and contacting the fiber-containing substrate with a resin mixture. The resin mixture may include particles of monomers or oligomers mixed in a liquid medium, and the particles may be coated on the fiber-containing substrate to form a coated substrate. The liquid medium may be removed from the coated substrate to form the prepreg. The prepregs may be used to make fiber-reinforced articles.

Abstract: A pre-formed covering for moisture-proofing and insulating a wall box (also called a vent box and exhaust box) and method of moisture-proofing and insulating a wall box using the pre-formed covering. The pre-formed covering is made of an air impermeable and insulating material, and is configured, shaped and dimensioned to fit over at least a portion of the wall box and be sealable to the wall box to minimize leakage of air and/or moisture from the wall box.

Abstract: Disclosed is a net-shaped polyimide sponge. The polyimide sponge has a stack structure of nets. Also disclosed is a method for producing a polyimide sponge. The method enables the production of a polyimide sponge in a simple manner compared to conventional methods based on wet or dry phase inversion techniques using porogens.

Abstract: A polymeric material having a multimodal pore size distribution is provided. The material is formed by applying a stress to a thermoplastic composition that contains first and second inclusion additives dispersed within a continuous phase that includes a matrix polymer. Through the use of particular types of inclusion additives and careful control over the manner in which such additives are dispersed within the polymer matrix, the present inventors have discovered that a unique, multimodal porous structure can be achieved.

Abstract: A method of making a foam composition includes blending a composition including (i) about 15 to about 75 parts by weight of an olefin block copolymer with a controlled block sequence having a melt flow index of about 0.1 to about 15 grams per 10 minutes at 190° C. and a melting temperature of at least about 115° C., (ii) about 25 to about 85 parts by weight of at least one polypropylene based polymer having a melt flow index from about 0.1 to about 25 grams per 10 minutes at 230° C., (iii) a crosslinking monomer and (iv) a chemical blowing agent to produce a blended composition; crosslinking the blended composition to obtain a crosslinked composition having a crosslinking degree of about 20 to about 75%; and foaming the crosslinked composition at an elevated temperature to obtain a foam composition having a density of about 20 to about 250 kg/m3.

Abstract: The present disclosure provides a series of new and improved porous polyamide aerogels derived from multifunctional aromatics that combine the high mechanical strength of aramids with the pore structure of aerogels. The polyamide aerogels have a hyperbranched structure, relatively low density, high porosity and may be derived from functionalized monomers having more aromatic groups than functional groups. The present disclosure also provides a new method for producing the porous polyamide aerogels by polymerizing an aromatic multifunctional carboxylic acid or a ferrocene multifunctional carboxylic acid with a polyfunctional aromatic isocyanate at moderate reaction conditions followed by drying with liquid CO2. Also disclosed are various methods of use of these polyamide aerogels in a variety of applications, particularly in the generation of various precious metal catalysts.

Abstract: A method for producing a composition comprising at least one filler and a nanodiamond material, and a composition comprising a nanodiamond material and at least one filler is disclosed. Further, a method for producing a nanodiamond containing thermal composite, and a nanodiamond containing thermal composite comprising nanodiamond material, at least one filler and at least one polymer is disclosed.

Abstract: The present invention generally relates to a method for reducing polymer agglomeration or fouling, and its use in processes for the preparation of an acrylate, methacrylic acid, or a methacrylate. According to the present invention, the reagent comprises an alkyl phthalate, an alkaryl phthalate, an aryl phthalate, or a phthalic acid, and applying the reagent to processes for the preparation of an acrylate, methacrylic acid, or a methacrylate to prevent polymeric foulant precursors from agglomerating or to dissolve existing polymeric agglomerates or foulants so as to reduce polymer agglomeration or fouling in the process or storage equipment.

Abstract: Provided is a method for producing an oxymethylene copolymer having excellent extrusion moldability and reduced voids in a molded article without lowering the inherent performance of an oxymethylene copolymer. Provided is a method for producing an oxymethylene copolymer, including: a step for copolymerizing a monomer raw material containing trioxane and 5-7 mass % of 1,3-dioxolane relative to the trioxane, in the presence of 0.025-0.07 mmol of boron trifluoride per mol of trioxane and 0.006-2.0 mass % of sterically hindered phenol relative to the trioxane; a step for adding a polymerization terminator to the reaction system when the polymerization yield of this copolymer has reached 92% or higher, and terminating polymerization; and a thermal stabilization step for heating and melting the crude oxymethylene copolymer in the presence of 0.05-5 mass % of an antioxidant and 0.005-5 mass % of a nitrogen-containing compound relative to the crude oxymethylene copolymer.

Abstract: Disclosed are a silicone rubber composition and a preparation method thereof. The silicone rubber composition comprises a polydimethylvinylsiloxane, a silica filler, a polymethylvinylsiloxane oil, a hydrogen-modified polyorganosiloxane, a platinum-based catalyst, and a polymethylhydrogensiloxane vulcanizing agent.

Abstract: A reinforced polymer composite, and more particularly, a wool reinforced polymer composite is provided. The composition includes wool fibers combined with a polymer to form a reinforced polymeric matrix having at least one of improved Izod Impact Strength (ASTM D-256) or improved Tensile Strength (ASTM D-1708) as compared to the polymer without the fibers.

Abstract: The present invention aims to provide rubber compositions for tires that contain a natural rubber achieving a balanced improvement in abrasion resistance, breaking performance, and processability to achieve a balanced improvement in abrasion resistance, breaking performance, and processability, and also provide pneumatic tires containing such rubber compositions for tires. Included is a rubber composition for tires comprising a modified natural rubber prepared by treating natural rubber latex with a proteolytic enzyme, and then treating the treated natural rubber latex with a lipolytic enzyme and/or a phospholipid degrading enzyme. Also included is a rubber composition for tires, comprising a modified natural rubber prepared by centrifuging natural rubber latex to recover a latex fraction comprising latex particles having an average particle size of 0.25 ?m or less.

Abstract: A rubber composition comprising a diene rubber, a tackifier comprising a resin having a weight average molecular weight of from 1,500 to 2,500, and a wax is disclosed. The wax contains from 20.0 to 40.0 mass % of a linear saturated hydrocarbon having from 25 to 30 carbon atoms, from 8.0 to 18.0 mass % of a linear saturated hydrocarbon having from 35 to 40 carbon atoms, and from 1.0 to 6.0 mass % of a linear saturated hydrocarbon having 45 or more carbon atoms. The amount of the tackifier added is larger than the amount of the wax added.

Abstract: Methods of producing hybrid polymer emulsions by incorporating a vinyl acetate-ethylene copolymer dispersion as the seed for subsequent polymerization of an acrylic and/or methacrylic monomer mixture are described. In certain embodiments, new particle formation is observed. Also described are the resulting polymeric products. And hybrid polymer emulsions formed from the methods with pressure sensitive adhesion performance are also described.

Abstract: A corrugated plastic sheet is provided having two outer sheets and internal ribs. The ratio of the thicknesses between each outer sheet and a rib is approximately 2:1. This ratio can be adjusted so that the upper and lower sheets are thicker than the thickness of the ribs. The die itself does not need to be changed. Rather, the die settings are merely adjusted.

Abstract: The invention relates to thermoplastic molding compounds which contain impact-modified styrene/nitrile monomer copolymers, to molded products and films produced therefrom and to the use thereof. The impact modifiers used are linear A-B-A tri-block copolymers from hard polymer blocks A and a soft polymer block B, preferably polymethylmethacrylate-block-polybutylacrylate-block-polymethylmethacrylate.

Abstract: The present invention relates to novel polymer dispersants in the form of comb polymers P and to a liquid composition containing solid fine particles, such as organic or inorganic pigments and fillers, and the polymer dispersants. The comb polymer P having at least 0.5 mol-%, e.g. 0.

Abstract: The invention pertains to a fluoropolymer composition comprising: —at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE) [ECTFE polymer]; —at least one water-soluble polyelectrolyte [polyelectrolyte (E)]; and—at least one antioxidant compound [compound (P)], said composition having improved thermal resistance.

Abstract: Provided is a thermoplastic resin composition in which filler such as glass fiber is incorporated to enhance rigidity, and which is further improved in hand touch feeling and occurrence of squeaking noise. The thermoplastic resin composition comprises a rubber-reinforced aromatic vinyl resin (A, B), a crystalline thermoplastic resin (C), and a fibrous or layered filler (D), wherein the thermoplastic resin composition has melting points, as measured according to JIS K7121-1987, between 0 and 100° C. and between 170 and 280° C., and a bending elastic modulus of 3,000 MPa or higher. The component (A) preferably comprises an ethylene/?-olefin rubbery polymer (a1) having a melting point of 0 to 100° C. as measured according to JIS K7121-1987. The component (C) preferably has a melting point of 170 to 280° C. as measured according to JIS K7121-1987, and is preferably at least one selected from the group consisting of a polyester resin and a polyamide resin.

Abstract: Disclosed are processes for making polymeric composite materials and composite materials made from those processes the process comprising: providing a mixture, comprising: a liquid, a polymer precursor, and a dispersed-phase precursor; and subjecting the mixture to reaction conditions sufficient: to effect polymerization of the polymer precursor to produce a polymer and a reaction product; and to remove substantially all the liquid and reaction product from the mixture; wherein said reaction conditions comprise: pressure between about 10 millitorr and about 300 torr; and temperature: greater than or equal to the highest boiling point of the liquid and reaction product; less than the decomposition temperature of the polymer; and less than the decomposition temperature of the dispersed-phase precursor.

Abstract: Polyamide moulding composition consisting of the following components: (A) 29-89 wt % of at least one partly crystalline thermoplastic homo- or copolyamide selected from the following group: aliphatic polyamide, cycloaliphatic polyamide, partly aromatic polyamide, or a mixture thereof, having a melting temperature (Tm) of at least 270° C. and a melting enthalpy in the range of 30-70 J/g, in particular in the range of 40-65 J/g, each measured to ISO standard 11357-3 on the granulate at a heating rate of 20° C./min; (B) 1-15 wt % of ethylene-vinyl acetate copolymer; (C) 10-70 wt % of filling and reinforcing materials selected from the following group: fibrous reinforcing materials, particulate fillers and mixtures thereof; (D) 0-20 wt % of impact modifier other than (B) and/or polymers other than (A); (E) 0-20 wt % of flame retardant; and (F) 0-5 wt % of additives, wherein the sum total of components (A)-(F) is 100 weight percent.

Abstract: A reinforced polyamide moulding composition is described, particularly for use as starting material for the production of housings for devices in the field of mobile radio technology, composed of the following components: (A) from 20-45% by weight of aliphatic polyamide selected from the group consisting of: PA 610, PA 612 and mixtures thereof; (B) from 5-15% by weight of semiaromatic polyamide selected from the group consisting of: 6I, DI, 6I/6T, 6I/6T, DI/DT, DI/6T, MXD6 and mixtures thereof; (C) from 45-75% by weight of flat glass fibres with non-circular cross section, where the dimensional ratio of the major cross-sectional axis to the minor cross-sectional axis of the said cross section is in the range from 2-5; (D) from 0-10% by weight of additives; where components (A)-(D) give a total of 100% by weight.

Abstract: High temperature nylon compounds that are flame retardant using non-halogenated ingredients are disclosed. Poly phenylene ether, or alternatively the combination of polyphenylene ether and bismaleimides, act as synergists with polyphosphonate to achieve a V-0 rating in a UL 94 test at thicknesses of about 3.18 mm or, preferably, about 1.59 mm.

Abstract: According to the present invention, a resin composition preferable for molding a sealing member superior in abrasion resistance at a high temperature, mountability on an axis and seal groove with deformation, and sealability can be provided. The resin composition of the present invention contains (b) 1 part by weight-7 parts by weight of a powder of a compound having a layer crystal structure, and (c) 8 parts by weight-27 parts by weight of a resin powder, per (a) 100 parts by weight of polyether sulfone.

Abstract: A renewable composite used a structural component in furniture is provided along with a method of making the same. The renewable composite comprises a biodegradable composition capable of receiving and retaining staples and other fasteners. The biodegradable composition includes a mixture of a resilient material and a base resin, wherein the base resin comprises a protein or starch-based resin and one or more strengthening agents. The method comprises providing the base resin, providing the resilient material; mixing the resilient material with the base resin to form a homogeneous mixture of a biodegradable composition; drying or pre-curing the biodegradable composition; and forming a renewable composite in the shape of a structural component. Optionally, the biodegradable composition may be subjected to pre-form molding.

Abstract: A premix composition for bitumens, including: from 35% to 65%, by weight of the composition, of bitumen, from 5% to 65%, by weight of the composition, of a first copolymer of an alpha-olefin and of an unsaturated carboxylic acid ester, characterized in that it additionally includes from 5% to 65% by weight of a second copolymer of an alpha-olefin, an unsaturated epoxide and an unsaturated carboxylic acid ester and in that the aforesaid first copolymer and the aforesaid second copolymer represent between 35% and 65% by weight of said composition. Also, a bituminous mix including this composition and also the use of this composition for the preparation of such a mix.

Abstract: A water-soluble azo compound represented by formula (1) or a salt thereof. The water-soluble yellow dye (compound) has high solubility in water, and excellent fastness properties including water resistance, moisture resistance, ozone gas resistance, scratch resistance and light resistance, and has superior color-developing properties (printing density) and color saturation. A yellow ink composition which contains the yellow dye is used for various recording purposes, particularly inkjet recording purposes. In formula (1), Q represents a halogen atom; x represents an integer of 2 to 4; and Y represents a group represented by formula (A) or (B). In formula (B), n represents an integer of 1 to 4; and R represents a hydrogen atom, a sulfo group or a carboxy group.

Abstract: This invention relates to galvanic aluminum alloy powder-pigments coated with semi-conducting corrosion-inhibiting compositions and particularly to the process for preparing said coated powder-pigments for coating substrates to inhibit corrosion. The coated aluminum alloy powder-pigments are electrically active and prevent corrosion of metals which are more cathodic (electropositive) than the coated-aluminum alloy pigments.

Abstract: A roofing and/or siding material that reduces the incidence of undesired micro-organisms from entering into the air intake of air conditioner and/or heating systems of a building structure to thereby improve the quality of the air in the building structure.

Abstract: The invention includes a microbe-mitigating architectural barrier that includes a barrier forming material, and at least one biocide. The barrier forming material may be a bitumen product, an elastomeric polymer and combinations thereof. The microbe-mitigating architectural barrier may be formed by applying an emulsion composition directly to an architectural surface, or may be pre-formed and adhered or otherwise secured to the architectural surface in the form of a sheet or film. The invention also includes architectural assemblies and/or building envelopes that include the microbe-mitigating barrier.

Abstract: A coating, a coating system, and a coating method are provided. The coating includes between about 0.25-35% filler particles embedded in a chrome phosphate binder matrix comprising a balance of the coating by volume. The filler particles have a size in the range from nanosize to six microns with an aspect ratio of from 1:1 to 3:1, and include up to 100% by weight lubricious particles with a balance hard particles. The lubricious particles are selected from the group consisting of boron nitride (BN), titanium nitride (TiN), titanium oxide (TiO2), zinc (Zn), tin (Sn), oxides of zinc and tin, and combinations thereof. The hard particles are selected from the group consisting of chromium carbide (CrC), tungsten carbide (WC), silicon (Si), aluminum (Al), oxides or nitrides of silicon and aluminum, and combinations thereof. A green slurry coating includes an evaporable solvent mixed with the filler particles and chrome phosphate binder matrix.

Abstract: A surface treatment method for treating a surface formed of an inorganic material by using a polymer is provided. The polymer contains a repeating unit (A) having a cationic group with a particular structure in a side chain thereof and a repeating unit (B) having a group of a particular structure in a side chain thereof. Also provided are a tool and a device having a modified surface, and a method for producing the tool and the device.

Abstract: The invention generally relates to an Au comprising composition, in particular for use as a paint. In particular, the invention relates to a composition, a process for providing a coloured surface, and items comprising a coloured surface. The invention relates to a composition comprising the following components a. At least about 30 wt. % organic vehicle; b. About 0.5 to about 35 wt. % of Au as such present in the composition in the form of a Au organic compound; c. About 0.1 to about 10 wt. % of a tetravalent metal as such present in the composition in form of a tetravalent metal organic compound; d. About 0 to about 6 wt. % of Bi as such present in the composition in the form of a Bi organic compound; wherein the wt. % are based on the total weight of the composition.

Abstract: Methods for authenticating an article with a cyanoacrylate solution comprising a water soluble security marker compound are described. The methods for producing a nucleophilic security marker/cyanoacrylate solution as well as methods for labeling an item and detecting the nucleophilic security marker/cyanoacrylate from an item being authenticated are also described. A method for using a nucleophilic cyanoacrylate security marker for antitheft purposes is also described.