Abstract: Biodegradable polymeric therapeutic substantially nonporous implant materials incorporating bioactive ceramics such as Bioglass® ceramic are provided. These implants provide increased mechanical properties and pH control, enabling the use of these materials to design porous and nonporous therapeutic implants used as cell scaffolds for healing of tissue defects or fixation devices, having desired degradation times, mechanical properties, elasticity and biocompatibility.

Abstract: A flame-retardant polyacetal resin composition comprising 60 to 90% by weight of a polyacetal resin, 1 to 30% by weight of red phosphorus, 1 to 40% by weight of at least one resin selected from phenol resins and polycarbonate resins, and 0.1 to 5% by weight of a metal salt of a fatty acid. The polyacetal resin composition of the present invention is provided with flame retardancy while maintaining the excellent innate properties of polyacetal resins, so that it can be applied to the fields where the use of polyacetal resins has been restricted.

Abstract: The invention relates to a flame-retardant thermoplastic resin composition having incorporated therein a trace of stabilized red phosphorus, which achieves both improvement of heat resistance and flame retardation without using chlorine nor bromine and also possesses long-term heat stability and smells little. The composition comprises (A) 50 to 95 parts by weight of a polycarbonate resin and (B) 5 to 50 parts by weight of a thermoplastic polyester resin, contains (C) 0.1 to 5 parts by weight, per 100 parts by weight of the total amount of (A) and (B), of coated stabilized red phosphorus and preferably contains (D) 0.1 to 100 parts by weight, per 100 parts by weight of the total amount of (A) and (B), of a silicate compound.

Abstract: Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.

Abstract: A coagulant which is the reaction product of a trivalent metal salt (eg., FeCl3), excluding chromium salts, an acid phosphorous compound and an aluminum hydroxy chloride, and a process for preparing such coagulant. This coagulant may be effectively used to remove suspended solids and various impurities in most water treatment applications.

Abstract: A semiconductor encapsulating epoxy resin composition is provided comprising (A) an epoxy resin, (B) a phenolic resin curing agent, (C) a microencapsulated flame retardant comprising a red phosphorus-base core coated with a thermoplastic resin and/or thermosetting resin, (D) a molybdenum compound, and (E) an inorganic filler. The composition and its cured product have moisture-proof reliability and high flame retardance despite the absence of halogenated epoxy resins and antimony oxide.

Abstract: There are provided a flame retardant comprising hydrotalcite compound particles which exhibits excellent heat deterioration resistance when it is used as a flame retardant for resins, a resin composition comprising the same and a molded article thereof. There are also provided a heat deterioration resistant flame retardant comprising hydrotalcite compound particles which (i) have an average secondary particle diameter, measured by a laser diffraction scattering method, of 2 &mgr;m or less and (ii) contain an iron compound and a manganese compound in a total amount of 0.02 wt % or less in terms of metals, a synthetic resin composition comprising the same and a molded article thereof.

Abstract: A dispersion adhesive includes a co- or terpolymer having vinyl acrylate or vinyl acetate units or a copolymer dispersion of an acrylic acid ester and styrene and a high content of flameproofing agent based on compounds of aluminum and/or boron. Additives such as processing and thickening agents, suspending agents and wetting agents are added to the dispersion adhesives, and the dispersion adhesives furthermore can include preservatives, foam suppressants, dispersing agents, film formation agents and a drying retardant. The dispersion adhesives are particularly suitable for gluing rigid polystyrene foams in the form of films or sheets, but are likewise used for gluing gypsum plasterboards, wood and cork to a suitable substrate, and for gluing tiles and cement sheets.

Abstract: Composition comprising at least one water soluble polymer, such as polyamidoamine-epichlorohydrin resin, polyamine-epichlorohydrin resin, polyvinyl alcohol, etc. and at least one stabilizer, such as hypophosphorous acid, phosphorous acid, hypodiphosphoric acid, etc. and salts thereof, suitable as creping adhesive for paper.

Abstract: A polymeric composition comprising a filler melt-dispersed in a matrix comprising, a destructurized starch component; a synthetic thermoplastic polymeric component selected from the group consisting of polyvinylalcohol, polyvinyl acetate, thermoplastic polyesters and graft copolymers of polysaccharides; and a fluidizing agent selected from the group consisting of C12-C22 fatty acids, C12-C22 fatty alcohols, esters and amides of said fatty acids, polyolefin waxes, polyglycol ethers of alditols, polyglycerols esterified with C12-C22 fatty acids, and mixtures thereof, wherein said filler is a mixture of an inorganic filler and a filler of organic nature, wherein the organic filler is present in an amount from 5% to 70% by weight.

Abstract: Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.

Abstract: The invention relates to a flame-retardant thermoplastic resin composition having incorporated therein a trace of stabilized red phosphorus, which achieves both improvement of heat resistance and flame retardation without using chlorine nor bromine and also possesses long-term heat stability and smells little. The composition comprises (A) 50 to 95 parts by weight of a polycarbonate resin and (B) 5 to 50 parts by weight of a thermoplastic polyester resin, contains (C) 0.1 to 5 parts by weight, per 100 parts by weight of the total amount of (A) and (B), of coated stabilized red phosphorus and preferably contains (D) 0.1 to 100 parts by weight, per 100 parts by weight of the total amount of (A) and (B), of a silicate compound.

Abstract: The present invention provides a method for making a polycarbonate composition. The polycarbonate is prepared by melt synthesis using a sulfur-containing acid compound to at least partially quench the melt catalyst. The polycarbonate composition comprises said polycarbonate, phosphorous acid, further sulfur-containing acid compound and an ester derived from a mono-fatty acid and a polyhydric alcohol.

Abstract: An adhesive composition containing a polyvinyl alcohol-stabilized butadiene polymer latex and a methylene donor compound. The butadiene polymer latex is prepared by an emulsion polymerization in the presence of polyvinyl alcohol. The adhesive composition may also contain other optional ingredients such as a supplemental polymeric film-forming component, a nitroso compound crosslinker, a maleimide compound crosslinker, a vulcanizing agent, and an acid-scavenging compound. The polyvinyl alcohol-stabilized butadiene polymer latex and methylene donor compound combine to provide a tightly crosslinked, robust film which provides for excellent adhesion and environmental resistance.

Abstract: An acrylic SMC or BMC, in which when a polymer powder (C) having a bulk density in the range from 0.1 to 0.7 g/ml, an oil absorption of lin-seed oil in the range from 60 to 200 mi/100 g, a degree of swelling by methyl methacrylate is 16-fold or more and a specific surface area in the range from 1 to 100 m2/g is added as a thickening agent, hot water resistance is improved by using a polymer powder (C1) containing no surfactant, a polymer powder (C2) containing as a constituent component a reactive surfactant, or thickening speed is controlled by using a non-cross linked polymer powder (C3) having a Mw from 100,000 to 2,500,000, a non-crosslinked polymer powder (C4) having a Ma from 2,500,000 to 5,000,000, a crosslinked polymer powder (C5) and a polymer powder (D) having a specific surface area from 0.01 m2/g to 1 m2/g; a production method thereof; a method for producing acrylic artificial marble in which components are extruded by a kneading extruder (9) into given shape; and a thickening agent.

Abstract: The present invention provides a flame retardant resin composition excellent in impact resistance, heat resistance, dimensional stability, and flame retardance.

Abstract: A flame retardant for flameproof mesh sheets which does not experience an increase in viscosity while it is kept and does not generate harmful halogen gas at the time of combustion and a flameproof mesh sheet comprising the same. The flame retardant for mesh sheets preferably comprises red phosphorus in an amount of 1.5 to 15 parts by weight and an ammonium polyphosphate compound in an amount of 10 to 70 parts by weight based on 100 parts by weight of an aqueous dispersion of an ethylene-vinyl acetate copolymer having a vinyl acetate content of 10 to 95 wt % and a resin solid content of 25 to 75 wt %.

Abstract: A resin composition having laser marking properties from a NdYAG radiation laser wherein said composition comprises a polyester thermoplastic resin, a sufficient amount of light pigment for forming a light background coloration, and an effective amount of marking agent wherein said polyester thermoplastic resin decomposes in laser struck areas to form dark colored markings in laser struck areas on the light background coloration wherein the marking agent is selected from the group consisting of boron phosphate, zinc oxide, zinc stannate, zinc hydroxy stannate, tin (II) oxalate and mixtures thereof.

Abstract: An aqueous sizing composition for glass fibers used to reinforce polyolefin polymers contains coupling agent, chemically modified polyolefin film forming material, and stabilizer.

Abstract: The present invention provides polyamide compositions comprising a polyamide, nylon 2,2, and a phosphorous-containing whitening agent having Formula I: Formula I: wherein R is hydrogen, an alkyl group with 1 to 6 carbons, a cycloalkyl group with 5 to 6 carbons, or a phenyl or methylphenyl aromatic group, and M is hydrogen or a metal. In a preferred embodiment, the polyamide is nylon 6,6 (polyhexamethylene adipamide) and the phosphorous-containing whitening agent is a hypophosphorous acid or a metal hypophosphite. Sodium hypophosphite is especially preferred. The polyamide compositions of the present invention have improved molding cycle times, and are tough, white and color-stable.

Abstract: Condensation-crosslinking, room-temperature vulcanizing silicone rubber compositions A which contain additives B selected from the group consisting of sterically hindered phenols, sterically hindered bisphenols, sterically hindered thiobisphenols, zinc dialkyl dithiophosphates, zinc diaryl dithiophosphates, aromatic amines, sterically hindered amines or preparations containing the abovementioned substances, these additives optionally being present in the compositions A either individually or in any mixtures and mixing ratios with respect to one another.

Abstract: This invention relates to polyester and polyamide compositions which contain a flame retardant, one or more alkaline earth metal salts, and a reinforcing agent. The flame retardant includes a melamine phosphate compound. Addition of at least one alkaline earth metal salt maintains the physical properties and the electrical properties of the resin composition, which degrade upon addition of melamine or melamine salts, while retaining the desired flame retardancy.

Abstract: A flame retardant including red phosphorus in an amount of 1.5 to 15 parts by weight and an ammonium polyphosphate compound in an amount of 10 to 70 parts by weight, based on 100 parts by weight of the solid content of an aqueous dispersion of an ethylene-vinyl acetate-acrylate copolymer having an ethylene content of 2 to 30 wt %, a vinyl acetate content of 40 to 88 wt %, an acrylate content of 10 to 50 wt % and a resin solid content of 35 to 75 wt %. The flame retardant is useful to flameproof mesh sheets.

Abstract: A flame retardant resin composition including 100 parts by weight of component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. Component (A) may be a thermoplastic resin polyethylene terephthalate and ethylene terephthalate copolymers, and polyethylene terephthalate and/or ethylene terephthalate copolymer, and component (B) may be a thermoplastic resin selected from ##STR1## (O--R.sup.2 --O), (O--CH.sub.2 CH.sub.2 --O) and ##STR2## wherein R.sup.1, R.sup.2, and R.sup.3 are divalent aromatic residues.

Abstract: A non-halogen flame retardant polyester resin composition shows high flame retardancy with a small amount of a flame retardant, provides a molded product not causing dripping at the time of combustion, is excellent in mechanical strength and resin knead-processability, and is free from bleed-out by annealing, wherein the resin composition comprises 100 parts by weight of a polyester such as polytetramethylene terephthalate, 1 to 15 parts by weight of coated red phosphorus powder and 3 to 70 parts by weight of a novolak phenol resin.

Abstract: A flame retardant resin composition comprising (A) 100 parts by weight of a synthetic resin, (B) 20 to 150 parts by weight of magnesium hydroxide particles and (C) 20 to 150 parts by weight of aluminum hydroxide particles, wherein the magnesium hydroxide particles and the aluminum hydroxide particles satisfy the following conditions (i) to (v): (i) the average secondary particle diameter measured by a microtrack method is 0.4 to 4 .mu.m; (ii) the specific surface measured by a BET method is 1 to 15 m.sup.2 /g; (iii) the total content of an iron compound and a manganese compound is 200 ppm or less in terms of metals (Fe+Mn); (iv) the ratio of the specific surface measured by the BET method to the specific surface measured by a Blaine method is 1 to 4; and (v) the content of a water-soluble sodium salt is 500 ppm or less in terms of metal sodium.

Abstract: To obtain an injection-molded article of a resin composition blended with a thermoplastic resin and a liquid-crystal polymer, which is excellent in mechanical strengths, etc., by forming the liquid-crystal polymer into fibers during molding. The molded article, wherein the liquid-crystal polymer (B) capable of forming an anisotropic molten phase is present in the form of fiber having an average aspect ratio of 6 or higher in a matrix of the thermoplastic resin (A) not forming an anisotropic molten phase, is produced by injection-molding a thermoplastic resin composition obtained by blending 100 parts by weight of a resin component consisting of 99 to 50 parts by weight of the thermoplastic resin (A) not forming an anisotropic molten phase and 1 to 50 parts by weight of the liquid-crystal polymer (B) capable of forming an anisotropic molten phase with 0.01 to 1.0 part by weight of at least one compound (C) selected from the group consisting of phosphoric acid, phosphorous acid and metal salts thereof.

Abstract: Disclosed is a novel blocked polyisocyanate obtained by blocking the terminal isocyanate groups of a non-blocked polyisocyanate with a thermally dissociative blocking agent, wherein the non-blocked polyisocyanate is obtained by reacting at least one diisocyanate selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate with a polyhydroxy compound having an average number of hydroxyl groups as many as 4.5 to 10, and removing substantially all unreacted diisocyanate monomers. A coating composition comprising the blocked polyisocyanate of the present invention as a curing agent and a polyol as a main agent not only has excellent curability even under low temperature conditions, but is also capable of forming a coating which has excellent impact resistance.

Abstract: A flame-retardant resin composition, which comprises 100 parts by weight of a synthetic resin having 70 to 100% by weight of metallocene LLDPE, 20 to 100 parts by weight of a magnesium hydroxide having a BET specific surface area of 20 m.sup.2 /g or less, an average secondary particle diameter of 5 .mu.m or less, measured according to a laser diffraction scattering method, and a water-soluble sodium salt content of 500 ppm or less as a sodium, 1 to 20 parts by weight of red phosphorus having an average secondary particle diameter of 30 .mu.m or less and 0.1 to 20 parts by weight of a carbon powder, the total of the magnesium hydroxide, the red phosphorus and the carbon powder being 120 parts by weight or less.

Abstract: Thermoplastic molding compositions compriseA) from 5 to 99% by weight of a thermoplastic polymer selected from the group consisting of polyamides, polyesters, polyphenylene ethers and mixtures of these,B) from 1 to 60% by weight of red phosphorus which has been pretreated with from 0.01 to 2% by weight, based on 100% by weight of B), of a phlegmatizer and from 2 to 15% by weight of a mineral filler,C) from 0 to 70% by weight of other additives and processing aids,where the sum of the percentages by weight of components A) to C) is 100%.

Abstract: A description is given of stabilizer combinations comprisingA) at least one compound of the formula I ##STR1## in which R.sub.1 and R.sub.2 independently of one another are C.sub.1 -C.sub.12 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.5 -C.sub.8 -cycloalkyl which is unsubstituted or substituted by 1 to 3 C.sub.1 -C.sub.4 -alkyl-, C.sub.1 -C.sub.4 -alkoxy-, C.sub.5 -C.sub.8 -cycloalkyl or hydroxyl groups or chlorine atoms, or are C.sub.7 -C.sub.9 -phenylalkyl which is unsubstituted or substituted on the phenyl ring by 1 to 3 C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.5 -C.sub.8 -cycloalkyl or hydroxyl groups or chlorine atoms, andR.sub.1 and R.sub.

Abstract: A bioerodible polymeric semi-IPN alloy which comprises a first bioerodible polymer capable of producing acidic products upon hydrolytic degradation; a second bioerodible polymer, which provides a biopolymeric scaffolding or internal reinforcement; and optionally a buffering compound that buffers the acidic products within a desired pH range. In a preferred embodiment, the second bioerodible polymer comprises polypropylene fumarate (PPF), which is cross-linked, desirably by a vinyl monomer such as vinyl pyrrolidone (VP) to form the biopolymeric scaffolding which provides the semi-IPN with dimensional and geometric stability.

Abstract: A process for preparing a styrenic resin is herein disclosed which comprises the step of volatilizing extrudinga styrenic polymer (SPS) powder having a syndiotactic configuration in the presence of water, an alcohol or an antioxidant by the use of an extruder to obtain pellets. According to this process, the operation of volatilization extrusion is done in the presence of water, the alcohol or the antioxidant to stably and efficiently prepare the SPS pellets in which yellowing is inhibited, and the operation of the volatilization extrusion is carried out in the presence of water to stably and efficiently prepare the SPS pellets containing a less amount of a remaining volatile component such as an unreacted monomer.

Abstract: A non-chromate, corrosion-inhibiting coating composition for metal surfaces includes at least one inhibitor selected from the group consisting of phosphates, phosphosilicates, silicates, and mixtures thereof, at least one inhibitor selected from the group consisting of titanates, zinc salts, and mixtures thereof, and a carrier for these inhibitors, the carrier capable of placing the inhibitors in proximity with the metal surface. In a preferred embodiment, the coating composition further includes a borate such as boric acid, and a succinate. A preferred phosphate includes calcium dihydrogen phosphate, and sodium titanium oxide is a preferred titanate. The zinc salt can include zinc phosphate or zinc cyanamide.

Abstract: Disclosed herein is a sulfide polymer composition for a sliding member, comprising:3-40 wt % of polyethylene tetrafluoride having a three-dimensional network structure forming-ability,5-40 wt % of granulated polyethylene tetrafluoride having a number average molecular weight of from not less than 2,000 to less than 300,000,0.1-15 wt % of a phosphate(s), andthe balance of a sulfide polymer; anda sliding member obtained therefrom.

Abstract: A polyester composition, comprising a thermoplastic polyester resin and hydroxy apatite particles with an average particle diameter of 0.01 to 10 .mu.m and a specific surface area of 50 to 500 m.sup.2 /g and represented by the following chemical formula, and a film made thereof. A polyester film excellent in such basic properties as slipperiness and abrasion resistance, and also in electric properties, perforability, processability as a laminate with a metallic sheet, flavor properties, etc. can be obtained.Ca(PO.sub.4).sub.l (OH).sub.m (CO.sub.3).sub.n Y.sub.x(where Y stands for any optional anions other than phosphate group, hydroxyl group and carbonate group, l=0.4.about.0.6, m=0.1.about.0.4, n=0.about.0.2, x=0.about.0.2, 3.times.l+m+2.times.n+z.times.

Abstract: The present invention is an endodontic sealer paste and an endodontic core material for root canal filling, retrofilling, and perforation repair. The endodontic sealer paste contains a dry poly(carboxylic acid), zinc oxide, and an aliphatic acid. The endodontic core material contains a pliant polymer, a dry poly(carboxylic acid), and zinc oxide.

Abstract: A thermoplastic molding material comprising a mixture of a polyamide and a stabilizing amount of a copper compound obtained by reacting a copper(I) salt with a phosphine chelate ligand containing at least 2 phosphorous atoms.

Abstract: A stabilized solution of hydrogen silsesquioxane resin is disclosed. The solution comprises 100 parts by weight solvent, 0.1 to 100 parts by weight hydrogen silsesquioxane resin, and 0.002 to 4 parts by weight acid. These solutions are useful for forming coatings on substrates.

Abstract: A high bending strength and high density material for osteosynthesis, which comprises a biodegradable and bioabsorbable crystalline thermoplastic polymer material, and a high strength implant material, comprising a composite material in which a bioceramics powder of from 0.2 to 50 .mu.m in particle size is dispersed in the polymer material, wherein crystals of the polymer material are pressure-oriented not in a uni-axial direction but basically in parallel with a plurality of reference axes; and a production method by pressure orientation, which comprises preparing in advance a biodegradable and bioabsorbable crystalline thermoplastic polymer material or a dispersed mixture of the polymer material and a bioceramics powder and melt-molding it into a pre-molded material which is then press-charged at a cold temperature into a cavity of a closed type forming mold, thereby obtaining an oriented molding.

Abstract: Polyolefin or polyolefin copolymer films for agricultural applications stabilized with a sterically hindered amine and a metal oxide or hydroxide selected from oxides of zinc, aluminum, calcium and magnesium, and hydroxides of zinc, aluminum and calcium, show improved light stability and pesticide resistance.

Abstract: Biodegradable polymeric therapeutic implant materials incorporating bioactive ceramics such as Bioglass.RTM. ceramic are provided. These implants provide increased mechanical properties and pH control, enabling the use of these materials to design porous and nonporous therapeutic implants used as cell scaffolds for healing of tissue defects or fixation devices, having desired degradation times, mechanical properties, elasticity and biocompatibility.

Abstract: A flame retardant resin composition including 100 parts by weight of the following component (A) or (B) and 0.01 to 30 parts by weight of red phosphorus (C) shows excellent flame retardancy even if the molding obtained from it is thin, and is excellent in mechanical properties, wet heat resistance and electric properties, being suitable for mechanical parts, electric and electronic parts, automobile parts, and housings and other parts of office automation apparatuses and household electric appliances. Components (A) and (B) are as follows:(A) (a1) 67 to 99.99 wt % (based on the total weight of (a1) and (a2)) of a thermoplastic resin other than polyethylene terephthalate and ethylene terephthalate copolymers and (A2) 33 to 0.

Abstract: Composites suitable for use as prostheses for attachment to soft tissues, such as cartilage, tendons, skin, tympanic membrane and gingiva, as well as to cancellous or trabecular bone, are based on combination of a polyolefinic binder with certain bioactive glass materials. The composites bond actively with soft tissues and are readily formulated achieve mechanical properties comparable to those of the soft tissue of interest.

Abstract: A electrical conductivity modified thermoplastic olefin (TPO) polymer blend with improved electrostatic painting efficiency, the blend comprising a substantially uniform mixture of: I. polymeric material being the reaction product of: (a) polypropylene, (b) maleated polypropylene, (c) elastomer, and (d) amine-terminated polyether being a linear or branched polymer of oxypropyleneamine or oxyethyleneamine repeating units having 40-100 such units, and II. alkali metal salt, the alkali metal salt being included in the thermoplastic polymer blend in an amount which provides the blend with a conductivity of at least 10.sup.-12 S/cm at 25.degree. C.

Abstract: A dental material based on an organic polymerisable binding agent has a content ofA) one or more mixed apatites of the typeA1) A.sub.10 (XO.sub.4).sub.6 Z.sub.2 +/B*.sub.10-u C*.sub.u (Y*).sub.6 Z'.sub.2 and/orA2) A'.sub.10-r (X'O.sub.4).sub.6-s Z".sub.2-t +/B'.sub.r (Y').sub.s Q.sub.t -B".sub.10-u' C'.sub.u' (Y").sub.6 Z'".sub.2 and/orA3) A".sub.10-r' (X"O.sub.4).sub.6-s' Z"".sub.2-t' +/A'".sub.r' (X'"O.sub.4).sub.s' +/B'".sub.10-u" C".sub.u" (Y'").sub.6 Z'"".sub.2in which the formulae assume the significance specified in the description, in a quantity that is effective for the absorption of ions from the biological application environment of the dental material. The polymerisable dental material has variably adjustable transparency, good polishability, high strength and the capacity to release and absorb ions into and from a biological environment. Also described is a process for using the mixed apatites A1), A2) and/or A3) in polymerisable dental materials.

Abstract: A non-chromate, corrosion-inhibiting coating composition for metal surfaces includes at least one inhibitor selected from the group consisting of phosphates, phosphosilicates, silicates, and mixtures thereof, at least one inhibitor selected from the group consisting of titanates, zinc salts, and mixtures thereof, and a carrier for these inhibitors, the carrier capable of placing the inhibitors in proximity with the metal surface. In a preferred embodiment, the coating composition further includes a borate such as boric acid, and a succinate. A preferred phosphate includes calcium dihydrogen phosphate, and sodium titanium oxide is a preferred titanate. The zinc salt can include zinc phosphate or zinc cyanamide.

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 comprising a synthetic organic polymer and, as stabilizer, a combination ofA) a sterically hindered hydroxylamine, or an ether or ester thereof, andB) a compound containing an oxo and/or hydroxyl group bonded to a metal atom,show an excellent stability against the deleterious effects of light, oxygen and/or heat.A combination of components A and B is also effective to stabilize a polyolefin or olefin copolymer film for agricultural applications against deleterious effects of light, oxygen, heat and pesticides.

Abstract: This invention relates to novel nylon compositions that maintain their appearance on weathering in the presence of U.V. light and a process of their manufacture. These composition are useful in a variety of applications including fibers, molded plastic parts, films and coatings.