Abstract: A crosslinked resin compound includes a resin compound including 0.1 to 20 parts by mass of one material selected from the group consisting of monomer having an epoxy group, acid anhydride and silane coupling agent with respect to 100 parts by mass of ethylene-based copolymer, and the resin compound is crosslinked.

Abstract: A halogen-free crosslinked resin composition includes a base polymer including as a main component (a) an ethylene vinyl acetate copolymer and (b) an acid modified polyolefin resin having a differential scanning calorimetry glass transition temperature Tg of not higher than ?55 degrees Celsius in a mass ratio (a):(b) of 70:30 to 100:0, the base polymer including 50 to 70% by mass of vinyl acetate, 0.5 to 10 parts by mass of a silicone rubber with respect to 100 parts by mass of the base polymer, and 100 to 250 parts by mass of a metal hydroxide with respect to 100 parts by mass of the base polymer.

Abstract: The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the end use thereof.

Abstract: A microcapsule comprising a core containing a hydrophobic liquid or wax and a polymeric shell formed from: i) 1 to 20% by weight of polymerizable silane compound, ii) 1 to 94% by weight of hydrophobic mono functional ethylenically unsaturated monomer, iii) 5 to 98% by weight of polyfunctional ethylenically unsaturated monomer, and iv) 0 to 60% by weight of other mono functional monomer(s), wherein components (i), (ii), (iii) and (iv) total 100%, and in which the microcapsule also includes a hydrophilic polymer which is covalently bonded to the microcapsule. The invention includes a process for the manufacture of particles and the use of particles in articles, such as fabrics, and coating compositions, especially for textiles.

Abstract: Plastisol compositions are provided including a polymeric resin in the form of particulates dispersed within a plasticizer and one or more hydrolyzable organosilicon compounds. A suitable solvent system can be utilized in the plastisol compositions. Also provided are inorganic fibers, and particularly reinforcing scrims, that are at least partially coated with a plastisol composition including one or more hydrolyzable organosilicon compounds. Cementitious boards reinforced with plastisol coated inorganic fibers, such as mesh scrims, are also provided.

Abstract: A high temperature, high voltage cable having at least one multi-strand conductor whose resistance is controlled by tightness or looseness of pitch. Also, a high temperature, high voltage cable having at least one layer of ceramifiable polymer, and at least one layer of mica/glass. Also, a high temperature, high voltage cable including at least one layer of non-conductive inorganic material, and at least one layer of mica/glass tape. Also, a high temperature, high voltage sleeve having at least one layer of ceramifiable polymer and at least one layer of mica/glass. Also, a high temperature, high voltage sleeve including at least one layer of non-conductive inorganic material and at least one layer of mica/glass. Also a heating cable having at least one layer of mica/glass and at least one layer of thermally conductive and electrically insulating inorganic materials.

Abstract: The present invention provides a metal-clad white laminate including: a white resin layer which is composed of a resin composition obtained by mixing a polyimide having a repeating unit as represented by a particular chemical structural formula with a white pigment; and at least one metal layer, the white resin layer being an adhesive layer for the metal layer. The metal-clad white laminate of the present invention uses a white resin composition which has high reflectance and whiteness and excellent light resistance, and is easy to be reduced in thickness and weight.

Abstract: An agglomerated particle cloud network coated fiber bundle containing a bundle of fibers and an agglomerated particle cloud network. The bundle of fibers contains a plurality of fibers and void space between the fibers. The agglomerated particle cloud network contains a plurality of agglomerated nanoparticles located in at least a portion of the void space in the bundle of fibers. The agglomerated nanoparticles form bridges between adjacent fibers. Between 10 and 100% by number of fibers contain bridges to one or more adjacent fibers within the agglomerated particle cloud network coated fiber bundle. The agglomerated nanoparticles form between about 1 and 60% of the effective cross-sectional area of the agglomerated particle cloud network coated fiber bundle.

Abstract: A glass fiber product comprises glass fibers treated with a coating composition comprising a synthetic resin and a mixture of an acetylene glycol or an ethylene oxide-propylene oxide block or random adduct thereof and a polyoxyalkylene alkyl ether having an HLB of 8 to 18 or a sulfur-containing surfactant.

Abstract: The present invention relates to a glass strand provided with a coating based on a polymer chosen from vinyl acetate/vinyl chloride copolymers, polyvinyl chloride and polyvinylidene chloride and which comprises a silane of formula Si(R1)(R2)(R3)(R4) in which: R1, R2 and R3, which are identical or different, represent a C1-C6 alkyl group, a C2-C6 alkenyl group, a C2-C6 alkynyl group, a C6-C10 aryl group, a hydroxyl group, a C1-C6 alkoxy group, a C6-C10 aryloxy group, a C1-C6 acyloxy group or a C2-C7 alkylcarbonyl group, at least two of the R1, R2 and R3 groups representing a hydroxyl group or an alkoxy group, and R4 represents a group including at least one epoxy functional group, an optionally substituted aryl group, a halogen atom or a group carrying at least one halogen atom, in particular a fluorine atom, a group including at least one aldehyde functional group, a group carrying at least one functional group including a sulfur or phosphorus atom, or an acryloyloxy or methacryloyloxy group, said group carry

Abstract: The present invention relates to a composition for reinforcing strands, characterized in that it includes at least one additive capable of acting at the strands/matrix interface so as to improve the fire resistance of the strands/matrix composite, and it also relates to the strands and composites obtained.

Abstract: An aqueous binder for an inorganic fiber heat-insulating sound-absorbing member is cured by heating at low temperatures and is capable of providing a strong binder cured product. The inorganic fiber heat-insulating sound-absorbing member is produced by applying an aqueous binder to inorganic fibers and heating the resulting inorganic fibers at 180-220° C. The aqueous binder contains 5.5-10 parts by mass of an ammonium salt of an inorganic acid per 100 parts by mass of the total of an acrylic resin that has an acid value of 350-850 mgKOH/g and a crosslinking agent that contains at least one alkanol amine. The ratio of the total mole number of hydroxy groups, amino groups and imino groups in the crosslinking agent relative to the mole number of carboxyl groups in the acrylic resin is 0.8-1.5. The pH of the aqueous binder is adjusted to 5.0-8.0 by a basic compound.

Abstract: Disclosed herein are polysiloxane/polyimide block copolymer blends and the application of these blends in conductive wires.

Abstract: The present invention relates to coated, absorbent, freestanding assemblies comprising inorganic nanowires, articles of manufacture comprising the same, processes of producing the same and methods of use thereof. The assemblies of this invention are useful in various applications, including removal of organics or hydrophobic materials, and waterproofing applications.

Abstract: An article is provided that includes a polymeric fiber that has an excess number of surface active reactive moieties relative to the number of surface reactive moieties found on the fiber in a native state. A particle is bonded covalently to the fiber through an intermediate coupling agent. Multiple particles can be covalently bonded to the fiber, the multiple particles can be bonded uniformly or asymmetrically around the fiber diameter. A process for modifying a fiber includes creating surface activated reactive moieties thereon. The activated fiber is then exposed to a liquid solution containing a coupling agent to form a covalent bond. The coupling agent is also reacted with a particle in a liquid solution to form a covalent bond between the coupling agent and the particle. The coupling agent is covalently bonded to either a particle and then bonded to the fiber, or vice versa.

Abstract: Glass fiber-treating agent which includes: (A) 5-95% by weight of an acetylene glycol or an ethylene oxide and/or a propylene oxide adduct of an acetylene glycol; and (B) 5-95% by weight of a silicone surfactant which may be polyoxyalkylene-modified. The glass fiber-treating agent reduces dynamic and static surface tension and contact angle. The glass fiber-treating agent provides excellent wetting, penetration, and antifoaming properties when glass fibers are treated therewith.

Abstract: Provided are inorganic fibers containing calcium and alumina as the major fiber components. According to certain embodiments, the inorganic fibers containing calcia and alumina are provided with a coating of a phosphorous containing compound on at least a portion of the fiber surfaces. Also provided are methods of preparing the coated and non-coated inorganic fibers and of thermally insulating articles using thermal insulation comprising the inorganic fibers.

Abstract: The artificial hair of the present invention comprising a flame-retardant polyester-based fiber that is formed of a composition obtained by melt-kneading, the composition comprising: 100 parts by weight of polyester (A); 5 parts by weight to 30 parts by weight of a bromine-containing flame retardancy agent (B); and 0.5 parts by weight to 10 parts by weight of an antimony compound (C) having an average particle diameter ranging from 1.5 ?m to 15 ?m, wherein the polyester (A) is made of at least one polymer selected from the group consisting of polyalkylene terephthalate and copolyester, where the copolyester contains polyalkylene terephthalate as a main component, and 0.01% omf to 1% omf of a polyorganosiloxane-based fiber treating agent (E) is deposited on the flame-retardant polyester-based fiber. The artificial fiber has excellent combing smoothness, and the excellent flame retardancy.

Abstract: Composition comprising (A) 50-99.5 wt %, based on the total weight, of A, B and C of a reaction resin or reaction resin mixture that is processed into thermosetting materials, said resin or resin mixture being liquid at temperatures in the range of 15 to 100° C. and having an average molecular weight of 200 to 500,000 and with a sufficient number of suitable reactive groups for a curing process and (B) 0.5-50 wt %, relative to the total weight of A, B and C of one or more dispersed polyorganosiloxanes that are contained in the reaction resin or reaction resin mixture homogeneously in finely distributed form as polyorganosiloxane droplets with a diameter of 0.001 to 4 ?m, wherein the organopolysiloxane particle is a polymer of the general formula (R3SiO1/2)W(R2SiO2/2)X—(RSiO3/2)Y—(SiO4/2)Z, where w=0 to 20 Mol %, x=80 to 99.9 Mol %, y=0.5 to 10 Mol %, z=0 to 10 Mol %, (C) 0.

Abstract: A method of coating at least a portion of the exposed surface of a metal comprises: a) applying to said surface a curable coating composition comprising an aqueous solution of at least one partially or substantially completely hydrolyzed, and optionally partially condensed, silane possessing one or more hydroxyl groups and, optionally, one or more organonitrogen groups, said hydroxyl group(s) and optional organonitrogen group(s) being bonded to different carbon atoms of a bridging group linking such group(s) to the silicon atom of the partially or substantially completely hydrolyzed and optionally partially condensed silane; and, b) curing the curable coating composition on the surface of the metal to provide an anti-corrosion and/or adhesion promoting coating thereon.

Abstract: Disclosed herein are polysiloxane/polyimide block copolymer blends and the application of these blends in conductive wires.

Abstract: To provide a composition for a wire coating material, which requires no electron irradiation crosslinking, and requires a filler defining a flame retardant agent as less as possible, and from which an insulated wire having a high heat resistance and a high gel fraction can be produced, and to provide an insulated wire and a wiring harness containing the composition. The composition contains (A) silane-grafted polyolefin, which is polyolefin to which a silane coupling agent is grafted, (B) undenatured polyolefin, (C) functional-group modified polyolefin modified by one or more functional groups selected from a carboxylic acid group, an acid anhydride group, an amino group, and an epoxy group, (D) a bromine flame retardant having a phthalimide structure, or a bromine flame retardant having a phthalimide structure and an antimony trioxide, (E) a crosslinking catalyst, and (F) a zinc sulfide, or a zinc oxide and an imidazole compound.

Abstract: A device for treatment of wounds using reduced pressure is provided. The device includes a pump, a reservoir connected to said pump for collecting exudate from a wound, an inlet to the reservoir for connecting the reservoir with the wound so as to allow the pump to expose the wound to the reduced pressure, a wound pad to be arranged in the wound cavity, and a sealing covering the wound and the wound pad. The wound pad consists of an open-cell polyurethane foam which is fully impregnated with a soft hydrophobic silicone gel, and the foam has a hardness of 1.0-6.0 kPa measured according to ISO 3386-1 at at 40% compression The wound pad can be used with an absorbent member. A method is also provided for manufacturing the wound pad.

Abstract: In a plated steel sheet having an aluminum-plating layer comprising at least Al formed on one side or both sides of the steel sheet, there is provided a plated steel sheet which, owing to the presence of a surface coating layer containing a compound having wurtzite crystal structure on the aluminum-plating layer, has excellent lubricity, prevents the plating thickness from becoming uneven during heating, and can improve formability and productivity in hot stamping, and a method of hot-stamping the plated steel sheet.

Abstract: Disclosed are aqueous size compositions for inorganic fibers which is based on a specific polymeric film former composition comprising A) at least one low molecular weight polyvinylacetate and/or at least one middle molecular weight polyvinylacetate, and B) at least one low viscosity partially hydrolysed polyvinyl alcohol C) the weight ratio of A) to B) is between 0.5 and 3.0. Also disclosed are fiber strands and fibers having such a sizing thereon, and their use for making hydraulic set board comprising a hydraulic set cement or gypsum core and reinforcing inorganic fibers coated with the dried sizing composition of the invention.

Abstract: An insulation product comprising fibers consolidated with a binder is disclosed to which a non-aqueous moisturizer has been included. The binder is disposed upon the fibers and the non-aqueous moisturizer is in contact with fibers and/or binder. The insulation product may be an uncured fiber insulation product in which the binder is an uncured binder. The insulation product may be packaged in a suitable material. Accordingly, disclosed is a packaged uncured fiber insulation product.

Abstract: The invention concerns a polymer dispersion free of water and volatile organic solvent for preparing a lubricating composition for glass yarns and for finishing glass yarns and assembling glass yarns, in particular for grids and fabrics. The dispersion comprises the product of polymerization of a vinyl monomer in the presence of a free radical initiator in a reactive organic dispersion medium.

Abstract: A roof covering includes a roofing mat formed from fibers of a fiber material. The fibers are coated with a sizing. The roof covering also includes a coating material that coats the mat. The coating material is based on an organic material. The sizing includes a sulfur-containing material that bonds to the fiber material. The sulfur-containing material has sulfur groups that form cross-links with the organic material. In another embodiment, the coating material contains sulfur added to the organic material. The sizing includes a bonding material that bonds to the fiber material and that bonds to the sulfur. The sulfur forms cross-links with the organic material.

Abstract: A method of treating carbon fibers includes introducing a functional group to a carbon fiber surface, and reacting the functional group with a silane to incorporate a silanol moiety to the carbon fiber surface. The functional group is chosen from amine groups, carboxyl groups, hydroxyl groups, and/or carbonyl groups. Also disclosed herein are a fiber-reinforced resin and a method of making the same.

Abstract: The invention relates to a high strength fibers comprising a coating of cross-linked silicone polymer, and ropes made thereof. The fibers are preferably high performance polyethylene (HPPE) fibers. The coating comprising a cross-linked silicone polymer is made from a coating composition comprising a cross-linkable silicone polymer. The rope shows markedly improved service life performance in bending applications such as cyclic bend-over-sheave applications. The invention also relates to the use of a cross-linked silicone polymer in a rope for an improvement of bend fatigue resistance.

Abstract: Glass fiber-treating agent which includes: (A) 5-95% by weight of an acetylene glycol or an ethylene oxide and/or a propylene oxide adduct of an acetylene glycol; and (B) 5-95% by weight of a silicone surfactant which may be polyoxyalkylene-modified. The glass fiber-treating agent reduces dynamic and static surface tension and contact angle. The glass fiber-treating agent provides excellent wetting, penetration, and antifoaming properties when glass fibers are treated therewith.

Abstract: Artificial hair is made of flame-retardant polyester-based fiber formed of a composition obtained by melt-kneading 5 parts by weight to 30 parts by weight of a bromine-containing flame retardancy agent (B), 0.5 parts by weight to 10 parts by weight of an antimony compound (C) having an average particle diameter ranging from 1.5 ?m to 15 ?m, and 0.05 parts by weight to 10 parts by weight of at least one kind of a compound (D) selected from the group consisting of: biscarbodiimide compounds; polycarbodiimide compounds; bisoxazoline compounds; and isocyanate compounds, with respect to 100 parts by weight of polyester (A) made of at least one kind of polyalkylene terephthalate and copolyester that contains polyalkylene terephthalate as a main component. Also provided is a fiber for artificial hairs obtained by adhering to that fiber either a polyorganosiloxane-based fiber treating agent or a fiber treating agent containing a flame-retardant organosilicon compound.

Abstract: The present invention relates to polymer blends comprising: (a) from 5 wt % to 95 wt % of a HDPE having a density from 0.941 g/cm3 to 0.980 g/cm3 and an I22 of 10 dg/min or more; and (b) from 95 wt % to 5 wt % of a grafted mPE, which is a reaction product of (i) a mPE having a density from 0.860 g/cm3 to 0.935 g/cm3 and an I2 from 0.7 dg/min to 5.0 dg/min, and (ii) a silicon-containing grafting component, wherein the blend exhibits a high-temperature creep after extrusion that is at least 20% lower than a blend of the HDPE and the mPE that has not been grafted with a silicon-containing grafting component. These blends can advantageously comprise at least one layer of a film, e.g., made via extrusion.

Abstract: The present invention pertains to a method for encapsulating a liquid or pasty substance in a cross-linked encapsulation material, characterized in that the liquid or pasty substance and an inorganic at least partially condensed and organic polymerizable inorganic-organic hybrid material are co-extruded as a cross-linkable precursor material of the encapsulation material through a nozzle, such that the cross-linkable precursor material surrounds the liquid or pasty substance, whereupon the co-extruded material is passed through a zone, in which a cross-linking of the precursor material is brought about.

Abstract: The present invention relates to polymer compositions comprising a grafted and at least partially crosslinked mLLDPE that is the reaction product of: (i) a mLLDPE having a density from 0.910 g/cm3 to less than 0.940 g/cm3 and an I2 from 0.7 dg/min to 5.0 dg/min; (ii) a silicon-containing grafting component; and (iii) a crosslinking agent, wherein the composition exhibits a die shrinkage upon extrusion that is at least 10% lower than the composition, prior to grafting and crosslinking of the mLLDPE. These compositions can optionally be blended with HDPE. The compositions can also comprise at least one layer of a film, e.g., made via extrusion.

Abstract: A paste composition for use in coating film, fiber, or fabric includes a dry grease having a discontinuous aqueous phase having a non-ionic alkoxylate surfactant portion and a polyorganosiloxane oil phase. The past further includes a dry-grease suspended powder. The surfactant portion is effective to suspend the powder forming a self-supporting form.

Abstract: Water repellents based on reactive siloxanes with polyfunctional silylalkoxy modification of the siloxane backbone and processes for hydrophobizing mineral fiber components.

Abstract: A method for making a higher silane from a lower silane comprises heating a lower silane containing stream without exposing it to temperatures more than 20° C. more than the maximum temperature of a first reaction temperature range. The heated lower silane containing stream is introduced into a first reaction zone and allowed to react. The method further comprises mixing a first gaseous mixture from the first reaction zone with a higher silane containing stream and introducing the mixed streams into a second reaction zone operating within a second reaction temperature range. A second gaseous mixture exiting the second reaction zone is separated into various streams. One stream containing unreacted lower silanes is recycled to an earlier heating step and first reaction zone. The higher silane containing stream is mixed with the first gaseous mixture. Average residence time is low to prevent decomposition and formation of undesired silane byproducts.

Abstract: The present invention relates to a reinforced composite material and a method for its production. The composite material comprises at least one cured resin having a reinforcing material. Preferably the reinforcing material is a plurality of glass fibres which are treated such that the properties of the interphase substantially surrounding each fibre are substantially equivalent to those of the bulk cured resin. The fibre treatment may be selected from the group consisting of a polymeric coating, a hydrophilic surface coating, a surface coating of a free radical inhibitor, or a reduction in the total surface area of the fibres. The reinforced composite material of the invention provides improved long-term mechanical properties compared to traditional glass fibre reinforced materials.

Abstract: A sizing composition for insulating products based on mineral wool, in particular on glass or on rock, includes: at least one saccharide, at least one organic polycarboxylic acid having a molar mass of less than or equal to 1000, and at least one reactive silicone. Furthermore, insulating products based on mineral fibres thus obtained and the process for the manufacture thereof are presented.

Abstract: A sizing composition containing an epoxy film former, a urethane film former, a silane package that includes an aminosilane coupling agent and an epoxy silane coupling agent, a cationic lubricant, a non-ionic lubricant, an antistatic agent, and at least one acid is provided. The epoxy resin emulsion includes a low molecular weight liquid epoxy resin and one or more surfactants. The epoxy resin preferably has an epoxy equivalent weight from 185-192. The sizing composition may optionally contain a methacryloxy silane. The sizing composition may be used to size glass fibers used in filament winding applications to form reinforced composite articles with improved mechanical properties, wet tensile properties, improved resistance to cracking, and improved processing characteristics.

Abstract: Modified alkoxylation products of the formula (I), their use and processes for preparing them

Abstract: The present invention provides a glass fiber product having particles adhered to at least one fiber of the product, where the size and amount of particles is effective to reduce the tackiness of the glass fiber product and optionally effective to reduce interfilament bonding, and composition, and method for forming the same.

Abstract: Provided is an electroconductive member that can demonstrate stable performance for a long period of time with an electric resistance value being hardly changed even by electrical conduction for a long period of time. An electroconductive member has a conductive mandrel, and a conductive layer provided on the outer periphery of the conductive mandrel. The conductive layer includes an organic polymeric compound as a binder, and a conductive particle dispersed in the organic polymeric compound, and the particle includes an organic-inorganic hybrid polymer having a specific structure.

Abstract: A sizing composition that permits in-line chopping and drying of reinforcement fibers for reinforcing thermoset resins is provided. The size composition includes at least one coupling agent and one or more blocked polyurethane film forming agents. The blocking agent preferably de-blocks at a temperature that permits simultaneous or nearly simultaneous de-blocking and curing of the polyurethane film former. The sized fiber strands may be chopped to form chopped strand segments and dried in a fluidized bed oven, such as a Cratec® drying oven, in-line. The chopped fiber strands may then be used in a bulk molding compound and molded into a reinforced composite article. Chopping the glass fibers in-line lowers the manufacturing costs for products produced from the sized fiber bundles. Further, because the reinforcement fibers can be chopped and dried at a much faster rate with the inventive size composition compared to conventional off-line chopping processes, productivity is increased.

Abstract: The present invention provides a coating system for an article including a first component having a surface in frictional engagement with a surface of a second component, wherein at least a portion of at least one surface of the component(s) is coated with a coating prepared from a composition including a first, curable organopolysiloxane comprising at least two alkenyl groups; and a second, curable organopolysiloxane comprising at least two polar groups, the second organopolysiloxane being different from the first organopolysiloxane, which can provide low breakloose force when used in syringe assemblies.

Abstract: A fiber strand comprising at least one fiber at least partially coated with a composition formed from at least one rosin, at least one cationic lubricant, at least one film forming material, at least one organosilane coupling agent, and at least one dispersion of polymeric particles. A fiber strand comprising at least one fiber at least partially coated with a composition formed from components comprising at least one rosin, at least one polymeric lubricant, at least one film forming material, at least one organosilane coupling agent, and at least one dispersion of polymeric particles. A fiber strand comprising at least one fiber at least partially coated with a starch-free composition comprising at least one rosin, at least one cationic lubricant, at least one film forming material, and at least one organosilane coupling agent.

Abstract: Described herein are compositions and methods for imparting liquid repellency and dry soil resistance to fibers. The compositions are composed of (a) a silsesquioxane, (b) a wax, (c) a surfactant, and (b) water. Also disclosed are kits comprising (a) a first aqueous composition comprising a silsesquioxane and a first surfactant and (b) a second aqueous composition comprising a wax and a second surfactant. Finally, fibers and articles treated with the compositions and methods described herein are provided.

Abstract: Provided is an aqueous binder for inorganic fibers, which is formaldehyde-free, has excellent strength, and is suitable for use under conditions of weakly acidic to weakly basic, and by which a cured product composed of the binder having excellent strength is obtained, and an thermal and/or acoustical insulation material made of inorganic fiber using the same. The thermal and/or acoustical insulation material is molded by using an aqueous binder for inorganic fibers including: an acrylic resin with an acid value of 350 to 850 mgKOH/g; a crosslinking agent containing at least one dialkanolamine; and a curing accelerator, in which a molar ratio of the total number of the hydroxyl groups and imino groups in the crosslinking agent to the total number of carboxyl groups in the acrylic resin is 0.8:1 to 1.5:1, and in which pH of the binder is adjusted to 6.0 to 8.0 with a volatile basic compound.

Abstract: The present invention provides aqueous sizing compositions for application to glass fibers as well as fiber glass strands and polymeric resins reinforced with glass fibers at least partially coated with the aqueous sizing compositions. In some embodiments, sizing compositions of the present invention demonstrate advantageous properties resulting from the presence of an acid-amine component therein.