Abstract: A curable resin composition includes: an oxetane compound (A) having one oxetanyl group as a cationic polymerizable reactive group and at least one hydroxyl group; a cationic polymerizable compound (B) which is a cationic polymerizable compound other than the oxetane compound (A) and has two or more cationic polymerization reactive groups; a rubber particle (C); and a curing agent (D), wherein the oxetane compound (A) is contained at 30 parts by mass or more and 60 parts by mass or less, based on 100 parts by mass of total mass of the oxetane compound (A) and the cationic polymerizable compound (B), and the rubber particle (C) has a group capable of reacting with the oxetane compound (A) or the cationic polymerizable compound (B) on a surface of the rubber particle (C).

Abstract: Certain phosphonic acid salts heated at temperatures over 200° C. generate thermally stable, highly efficient flame retardant materials well suited for use as flame retardant additives in polymers. Various methods for preparing flame retardant materials from more than one phosphonic acid salts are provided, wherein each method can generate different flame retardant materials from the same mixture of starting phosphonic acids. The flame retardants of the invention can be used as the sole flame retardant in a composition or in combination with other flame retardants, synergists or adjuvants.

Abstract: An ink for aqueous inkjet recording contains: water; a hydrosoluble organic solvent; a pigment; and polycarbonate-based urethane resin particles, wherein the pigment contains a geminalbis phosphonic acid group and/or a geminalbis phosphonate group.

Abstract: Provided are a water-treating agent which includes a specific nonionic polymer and a phosphorus compound and can exhibit the ability to inhibit the deposition of silica-based scale under wide ranges of water quality conditions and temperature conditions; and a method of treating water. The inhibitor for silica-based scale includes a nonionic polymer and a phosphorus compound, the nonionic polymer being: a polymer formed by the reaction of an unsaturated double bond and including units derived from at least one monomer selected from the group consisting of (meth)acrylamide, N-substituted (meth)acrylamide and N-vinyl lactam; and/or one or more polymers having an ether group and selected from the group consisting of alkyl alcohol/polyalkylene oxide adducts, aliphatic monocarboxylic acid/polyalkylene oxide adducts, and polyvinyl alcohol/polyalkylene oxide adducts.

Abstract: Thermoplastic articles may be manufactured having a high degree of visual appeal to consumers. Clarifying agents may be employed as additives in such thermoplastic articles to produce high clarity articles. A coloring agent may be mixed with clarifying agents to form a first blend, and then such a first blend may be applied in very low loadings to form a clarified polymeric article. It is possible to achieve an observable visual benefit while using very low loadings of coloring agent in a polyolefin, such as polypropylene. Carbon black is a pigment that may provide such observable benefits in polypropylene.

Abstract: A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer.

Abstract: A polylactic acid-based resin composition includes (A) a polylactic acid-based resin; (B) a flame retardant compound; and (C) an ammonium compound of organic acid.

Abstract: Thermoplastic articles may be manufactured having a high degree of visual appeal to consumers. Clarifying agents may be employed as additives in such thermoplastic articles to produce high clarity articles. A coloring agent may be mixed with clarifying agents to form a first blend, and then such a first blend may be applied in very low loadings to form a clarified polymeric article. It is possible to achieve an observable visual benefit while using very low loadings of coloring agent in a polyolefin, such as polypropylene. Carbon black is a pigment that may provide such observable benefits in polypropylene.

Abstract: Use of copolymers comprising alkylene oxide units, which copolymers comprise incorporated randomly or blockwise by polymerization (a) 50 to 93 mol % of acrylic acid and/or a water-soluble salt of acrylic acid, (b) 5 to 30 mol % of methacrylic acid and/or a water-soluble salt of methacrylic acid and (c) 2 to 20 mol % of at least one nonionic monomer of the formula I where the variables have the following meaning: R1 hydrogen or methyl; R2 a chemical bond or unbranched or branched C1-C6-alkylene; R3 identical or different unbranched or branched C2-C4-alkylene radicals; R4 unbranched or branched C1-C6-alkyl; n 3 to 50, as additive to phosphate- and/or phosphonate-comprising aqueous systems in industrial technical plants.

Abstract: Polymer composite materials having improved gas barrier properties are generally disclosed, along with process of making the same. The polymer composite materials can include phosphonate particles, oxide particles, and combinations thereof. For example, the particles can be metal phosphonate particles, synthetic oxide particles, or combinations thereof.

Abstract: Provided are a method of preparing a transparent copolymer resin by continuous bulk polymerization of a polymerization mixture obtained by adding a phenol-based antioxidant and/or a phosphate-based antioxidant, a chain transfer agent, and an organic peroxide initiator to a monomer mixture including a styrene monomer, an acrylate monomer, and an acrylonitrile monomer, and a transparent copolymer resin prepared by the method, having good chemical resistance, fluidity, and discoloration resistance.

Abstract: Polymer composite materials having improved gas barrier properties are generally disclosed, along with process of making the same. The polymer composite materials can include phosphonate particles, oxide particles, and combinations thereof. For example, the particles can be metal phosphonate particles, synthetic oxide particles, or combinations thereof.

Abstract: This invention relates to a polymer composition comprising (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound, such as a hindered amine light stabilizer; (C) at least one ultraviolet light absorbing compound and optionally at least one phenolic antioxidant. A second embodiment of the present invention pertains to a blend of (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid/or dialkyl ester thereof in the presence of a metallic catalyst; (B) a salt comprising at least one suitable phosphorus-containing acid and at least one suitable basic organic compound; (C) at least one ultraviolet light absorbing compound and, optionally, at least one phenolic antioxidant; and (D) at least one polycarbonate.

Abstract: Disclosed are polymer compositions comprising: (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid or dialkyl ester thereof in the presence of a metallic catalyst; and (B) at least one salt prepared from the reaction of one or more acidic phosphorus-containing compounds and one or more basic organic compounds which contain nitrogen. The polyester compositions exhibit improved color, especially when used as a component of a polyester/polycarbonate blend. Also disclosed are polymer compositions comprising a polycarbonate in combination with components (A) and (B).

Abstract: The invention relates to membranes made from polybenzimidazole, doped with low-molecular-weight phosphonic acids and optionally with phosphoric acids. Membranes, doped with phosphoric acid and an aminophosphonic acid have an increased proton conductivity with relation to doping with only one of the components.

Abstract: Use of polyaminomethylenephosphonates as dispersing and/or wetting and/or stabilizing agents in formulations for cements, detergents, ceramic materials, dyes, synthetic resins, and rubbers, drilling fluids, reverse osmosis, as a substitution of or in combination with commercial products suitable for the purpose, characterized in that said polyaminomethylenephosphonates have the formula. (I) wherein n is integer higher than 2, M is hydrogen or a cation selected from those of alkaline metals and the ammonium ion, and the residues R, the same or different, are independently selected from 1. —CH2PO3M2, 2. —CH2R1 with R1 selected from —CH2OH, —CHOHCH3, —CHOHCH2CL, —CHOHCH2OH, 3. —(CH2)Mso3M, m being equal to 3 or 4, 4. —CH2CH2R2 with R2 equal to —CONH2, CONH2, —CHO, —COOR3, —COOX, CN, R3 being either —CH3 or —C2H5 and X a cation selected from the meanings of M and from the fact that said polyaminomethylenephosphonates are present in the formulation of interest in a weight quantity of over 0.

Abstract: The invention is a pigment comprising titanium dioxide and an amino phosphoryl compound. The pigment of the invention imparts improved physical qualities, such as improved lacing resistance and dispersion, when incorporated into polymers.

Abstract: A flame resistant anti-electrostatic polycarbonate composition that is chlorine- and bromine-free is disclosed. Good melt flowability and low tendency to juicing, coupled with its good mechanical and thermal properties make the composition especially suitable for injection molding. The composition finds use in the production of a variety of molded articles.

Abstract: A thermoplastic molding composition suitable for producing article having excellent flame proofing and improved stress cracking resistance is disclosed. The composition contains an aromatic polycarbonate and/or polyester carbonate, a toughening agent, an optional thermoplastic (co)polymer and a combination of phosphorus compounds.

Abstract: The present invention provides thermoplastic polycarbonate blends which contain phosphonate amines and special graft polymers, which are prepared using redox initiator systems, and which are characterised by improved mechanical properties such as notched impact resistance, weld line strength and stress crack resistance.

Abstract: The present invention relates to polycarbonate blends containing phosphonate amine and inorganic nanoparticles, which have improved flame proofing and improved mechanical properties such as low-temperature impact strength, elongation at break, weld line strength and stress cracking resistance as well as an improved yellowness index.

Abstract: The present invention relates to polycarbonate moulding compositions provided with phosphonate amines and phosphorus compounds, which moulding compositions exhibit excellent flame protection and very good mechanical properties, such as joint line strength or modulus of elasticity, and a good crude shade.

Abstract: Flame retardant organic phosphorus-phosphorus oxyacid compounds are produced by mixing and reacting a phosphorus halide, phosphorus oxyacid and an organic compound. This organic phosphorus-phosphorus oxyacid compound may be reacted with a basic compound to produce a flame retardant salt of organic phosphorus-phosphorus oxyacid. The organic phosphorus-phosphorus oxyacid and/or it's salt may be mixed with or applied on a flammable organic material to make it less flammable. A flame retardant composition may be produced by mixing or reacting the organic phosphorus-phosphorus oxyacid or it's salt with carbonization auxiliaries, carbonization accelerators, comb-like polymer and a filler. This composition may be mixed in or applied on a flammable organic material to make it less flammable.

Abstract: The use of zwitterionic compounds as mold release agents in thermoplastics is disclosed. Molding compositions having good release properties, preferably compositions containing polycarbonate resins are thus disclosed.

Abstract: A flame-retarded resin composition contains: (A) an ABS resin; (B) an aromatic phosphate having a melting point of 80° C. or more and being represented by the following general formula (I): wherein R1 to R4 are, the same or different, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, excluding the case where R1 to R4 are all hydrogen atoms; X is a bond, —CH2—, —C(CH3)2—, —S—, —SO2—, —O—, —CO— or —N═N—; n is an integer of 0 or 1; and m is an integer of 0 to 5; and (C) a novolak-type phenolic resin.

Abstract: Polyamide mixtures (blends) or alloys having improved transparency, chemical resistance and slight natural color, as well as a process improving the melting capacity and homogeneity of blends of polyamide according to formula (I) and partly crystalline polymers according to formula (II). Transparent polyamide blends are obtained which exhibit improved properties with respect to transparency, color, and chemical resistance, in particular stress cracking resistance against isopropanol, without resulting losses in the mechanical properties. At the same time it was possible to distinctly raise the throughput during extrusion while maintaining optimum transparency.

Abstract: An aqueous composition containing a hardenable binder of a melamine compound, such as an acid-hardenable melamine-formaldehyde resin, and an acidic phosphorus compound, such as a nitrogen-containing phosphorus compound made from either phosphoric acid or phosphorus acid, and expandable graphite flake, which composition is curable to an intumescent composition.

Abstract: A water-borne road marking paint composition which includes a chelating agent capable of chelating iron ions to form a substantially colorless complex is provided. A road marking produced from the traffic paint of the present invention substantially reduces or prevents yellowing of white road marking from iron and iron compound debris strewn on the road surfaces. A method of reducing or preventing yellowing of a newly-applied road marking on a road surface of a water-borne road marking paint is also disclosed. The method comprises incorporating in the water-borne road marking paint a chelating agent capable of chelating iron ions to form a substantially colorless complex. Further reduction of yellowing of the road marking is observed when a pigment dispersant is incorporated in the water-borne road marking paint.

Abstract: Compositions and methods for reducing the decomposition rate of polymeric bioadhesives and viscosity enhancers, such as poly(acrylic acids). The compositions include at least one strong, stable chelating agent, preferably an organophosphorous compound such as diethylene triamine penta(methylene phosphonic acid). These biocompatible compositions are especially useful in the ophthalmic field.

Abstract: Compositions and methods for reducing the decomposition rate of polymeric bioadhesives and viscosity enhancers, such as poly(acrylic acids). The compositions include at least one strong, stable chelating agent, preferably an organophosphorous compound such as diethylene triamine penta(methylene phosphonic acid). These biocompatible compositions are especially useful in the ophthalmic field.

Abstract: A flame retardant composition comprising an effective synergistic flame retardant combination of a melamine phosphate and tris(neopentyl) nitrilotris(methylphosphonate) suitable for use as an additive to a normally flammable polymer composition, especially wire insulation and cable jackets.

Abstract: Thermoplastic elastomeric ablative insulation having good mechanical properties at extremely low temperatures are disclosed. The insulation is based upon a polyamide-ether resin and includes carefully selected fillers to possess good low temperature mechanical properties and still provide suitable charring and ablative insulation performance at low temperatures (-65.degree. F.). A typical insulation within the scope of the present invention includes a polyamide-ether thermoplastic elastomeric polymer resin, an inorganic phosphorus containing compound, such as ammonium polyphosphate, present in the insulation from about 5 to about 60 phr, and a polyhydric alcohol present, such as pentaerythritol, in the insulation from about 1 to about 30 phr. The insulation compositions within the scope of the present invention optionally include silicone resin present in the insulation in range from about 0 to 15 phr. Chopped fiber filler may also be present in the insulation in range from about 0 to 100 phr.

Abstract: A process for increasing the molecular weight of a polyamide in the presence of alumina-containing titanium dioxide, said process comprising heating a polyamide containing terminal carboxy and amino groups, and alumina-containing titanium dioxide, in the presence of a catalytically effective quantity of at least one phosphonic acid catalyst and/or ester thereof selected from:R(CH.sub.2).sub.n PO.sub.3 R.sup.1.sub.2 (I)wherein:R is 2-pyridyl or 2-methoxyphenyl;each R.sup.1 is independently selected from H or C.sub.1-10 alkyl; andn is 0 or an integer of from 2-5 with the proviso that n is 0 when R is 2-methoxyphenyl.

Abstract: The disclosure is directed to a compound which is a reaction product of at least one phosphonic acid group of an alpha-aminomethylene phosphonic acid containing at least one group corresponding to the formula, ##STR1## with an epoxy group of a compound containing at least one epoxy group. The disclosure is also directed to waterborne coating compositions, organic solvent-borne coating compositions, and powder coating compositions containing the aforesaid reaction product.

Abstract: A glass ionomer cement composition comprises poly(vinyl phosphonic acid) dissolved in its own mass of water; and (in treble the total mass of the solution) a powder, being glass or MgO or a cermet. The powder has to be deactivated so that the setting reaction with the acid is not too fast, and this is achieved either by a raised Si:Al ratio or by heat-treating.

Abstract: Hydroxyaminomethylphosphonates of formula I ##STR1## where R.sub.1 to R.sub.5 are independently hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl, R.sub.6 has the same meanings except for hydrogen, and R.sub.1 can also be trialkylsilyl, are useful stabilizers for organic materials subject to oxidative, thermal or actinic induced degradation.

Abstract: The present invention relates to diphenol monoesters of carboxylic acids, a process for their preparation, their use for the preparation of polyester-carbonates, the polyester-carbonates obtainable according to the invention and flame-repellent moulding compositions containing these polyester-carbonates.

Abstract: A coating composition comprising about 50 to 30% by weight of a blocked isocyanate-functional urethane prepolymer, 2 to 25% by weight of at least one organic solvent-soluble phenolic resin, 0.5 to 18% by weight of a halogenated resin selected from the group consisting of halogenated rubber, halogenated polyolefins and halogenated vinyl halide polymers and an inert solvent in an amount sufficient to provide an adhesive primer having a solid content of 10 to 70% by weight.

Abstract: There are disclosed normally tacky, pressure-sensitive adhesive compositions comprising one or more normally tacky polymers having a T.sub.g of about 0.degree. C. or less and containing pendant functional groups attached to the backbone and having the formula: ##STR1## in which R.sub.1 is a divalent organic radical at least 3 atoms in length, and X is organoacyl or cyano, the polymers preferably also being normally tacky when cured. Such polymers have markedly improved cohesive strength (shear holding value) with little or no detriment to adhesive tack or adhesion (peel resistance), and these improvements are realized without the necessity of incorporating cross-linking monomers such as N-methylolamides or other cross-linking agents. Pressure-sensitive adhesive, water-based emulsions containing such polymers and pressure-sensitive adhesive articles comprising a substrate having at least a portion of one surface thereof coated with the adhesive compositions are also disclosed.

Abstract: An electrically conductive resin composition comprising:(i) a resin;(ii) a metallic powder;(iii) a diphosphonic acid derivative; and(iv) a hydroxyl-containing compound; wherein the weight ratio of the compound (i)/the component (ii) is 30/70 to 85/15 and the amounts of the components (iii) and (iv) are 0.5 parts by weight or more and 0.08 parts by weight, respectively, based on 100 parts by weight of the components (i) and (ii).

Abstract: This invention discloses a modified rosin soap which is an ammonia-neutralized esterification product of a Diels-Alder adduct of a monomeric rosin and an alpha, beta-unsaturated carboxylic compound. The use of the modified rosin as an emulsifier and/or a stabilizer in the preparation of an acrylic latex and the use of the acrylic latex in ink formulations are also disclosed.

Abstract: A hardenable composition which comprises (i) a poly(carboxylic acid) or precursor thereof (as herein defined); (ii) a particulate ion-leachable silicate, aluminosilicate or metal oxide reactable with (i) in the presence of water to set to a hardened composition; and (iii) a compound comprising at least one phosphorus-carbon or phosphorus-boron covalent bond, in an amount effective in service to extend the working time of the composition.

Abstract: An electrically conductive thermoplastic resin and coating composition comprising a diphosphonic acid derivative having the formula: ##STR1## wherein R represents an alkyl or aryl group and M.sup.1 to M.sup.4 independently represent hydrogen or a cation.The electrically conductive thermoplastic resin composition has excellent electrical conductivity and retains the electrical conductivity for extended periods without using expensive noble metals. Furthermore, the electrically conductive coating composition provides an excellent electrical conductivity and shielding property retention without using expensive noble metals.

Abstract: The silicone rubber composition comprises, in addition to the conventional ingredients of a high-polymeric diorganopolysiloxane and a reinforcing silica filler, a specific phosphorus-containing organic compound, such as phosphinates, phosphonates and phosphates, in a limited amount. By virtue of this unique ingredient, the composition can give a cured silicone rubber product having greatly improved resistance against dynamic fatigue.

Abstract: Dilute aqueous solutions of high molecular weight polymers of acrylamide or methacrylamide or of homopolymers or copolymers of salts of ethylenically unsaturated C.sub.3 -C.sub.5 -carboxylic acids are stabilized to thermal degradation by adding (a) at least 20 ppm of an inorganic sulfur compound, in which the sulfur has an oxidation number of +2 to +5, and (b) at least 20 ppm of a complexing agent for metal ions.

Abstract: The present invention comprises an acrylic adhesive composition having improved stability comprising polymerizable acrylic monomers in combination with polymerization initiators therefor; the improvement further comprises incorporating in the homogenous mixture of acrylic monomers and an initiator, including other substances to augment its performance as an adhesive,an effective amount of an inhibitor, being hydroquinone, and an effective amount of accelerator, being alpha amino phosphonic acid, or an alkali metal salt thereof.

Abstract: There are obtained from N-(hydroxypolyoxaalkylene)imidyl compounds and (meth)acrylic acid esters thereof homopolymers or copolymers with olefinically unsaturated comonomers. These polymers are photosensitive and are suitable as photographic recording material, as adhesives and as agents for surface coating.

Abstract: The invention provides a process for rendering textiles or barrier fabric material flame retardant and smolder resistant with a flame retardant and smolder resistant composition comprised of an aminophosponate ester in combination with a thermosetting, nitrogen-containing resin and preferably a reactive elastomeric latex.

Abstract: A polyphenylene ether resin composition having improved heat stability, said composition comprising a polyphenylene ether resin matrix, and dispersed therein, a phosphonic acid or its derivative of the formula ##STR1## wherein R.sub.1 represents an unsubstituted or substituted phenyl or naphthyl group, or a linear or branched alkyl group with 1 to 18 carbon atoms, or a group of the following formula (a) ##STR2## R.sub.2 and R.sub.3 are identical or different and each represents hydrogen atom, a metal, an unsubstituted or substituted phenyl group, or an alkyl group with 1 to 10 carbon atoms; and R.sub.4 is a divalent hydrocarbon group with 2 to 10 carbon atoms.