Abstract: A thermoplastic resin composition includes a thermoplastic resin and a first metal particle, wherein the first metal particle has a ratio of a short diameter relative to a long diameter of about 1/50 to about ?. Also a thermoplastic resin composition includes a thermoplastic resin, a plate-shaped second metal particle, and plate-shaped mica, wherein the plate-shaped mica is included in an amount of about 0.01 parts by weight to about 4.9 parts by weight based on about 100 parts by weight of the thermoplastic resin. In addition a thermoplastic resin composition includes a thermoplastic resin, a plate-shaped third metal particle or a spherical fourth metal particle, and thermally expandable particulate, wherein the thermally expandable particulate includes a polymer particle including a hydrocarbon foamable compound therein.

Abstract: An aqueous coating composition including an aqueous polymeric dispersion and from 0.1% to 40% by weight, based on the weight of the aqueous polymeric dispersion solids, Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogs thereof, and mixtures thereof is provided. Also provided are a method for forming a coating therefrom, a method for improving the freeze-thaw stability of an aqueous coating including a polymeric dispersion and alternative uses for Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogs thereof, and mixtures thereof.

Abstract: The invention relates to flame retarded extruded polystyrene foams with a very low halogen content in the final product, i.e. containing a very low content of hexabromocyclododecane or preferably hexabromocyclododecane free, and a process for their preparation. The invention also relates to their use in construction, as building thermal insulating materials, or in transportation.

Abstract: Custom-tinted paints and stains are made using an array of low VOC concentrated liquid colorants including at least at least white colorant; black colorant; and green-hued, blue-hued and red-hued primary colorants at least one of which primary colorants comprises polyalkylene glycol humectant, ethoxylated surfactant and extender pigment. For colorants in the array containing polyalkylene glycol humectant, the humectant and ethoxylated surfactant amounts are sufficiently high and extender pigment amount is sufficiently low so that the colorants will not problematically plug colorant dispenser orifices if left in the dispenser without an orifice cap for a full day. The polyalkylene glycol humectant is also present in an amount sufficiently low so that dried paint films made by mixing the colorants with a clear waterborne base paint will resist blocking.

Abstract: A coating composition which is an aqueous dispersion of a fluororesin particle (A) including a fluororesin, a resin particle (B) the decomposition and vaporization of which begin at a temperature not higher than a decomposition temperature of the fluororesin, and a nonionic surfactant (C) in an aqueous medium. The aqueous dispersion contains the resin particle (B) in an amount of 5 to 25 parts by mass based on 100 parts by mass of the fluororesin particle (A) and a fluorine-containing surfactant in an amount smaller than 500 ppm relative to the fluororesin particle (A).

Abstract: A rubber composition for a tire containing 100 parts by weight of a rubber, 1 to 30 parts by weight of a polyether (E1) having the formula (I): R1—{(OCH2CH2CH2CH2)m(OA)n—OH}q??(I) wherein R1 is a residue of a C1 to C24 compound having 1-6 hydroxyl groups, from which at least one hydroxyl group is removed, A Ls a C2 to C24 alkylene group other than a 1,4-butylene group, q is an integer of 1 to 6, and m and n are independently integers of 1 to 600, and/or the derivative thereof (E2) and 10 to 180 parts by weight of a filler, which is excellent in processability, silica dispersability abrasion resistance and wet braking performance, etc.

Abstract: A polylactide hydrosol polymer formulations suitable for thin film articles and methods of making the thin film articles are provided. The formulations and methods can be use to make articles such as gloves, condoms, catheters and the like using dip forming, and various casting processes.

Abstract: An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by

Abstract: An aqueous coating composition including an aqueous polymeric dispersion and from 0.1% to 40% by weight, based on the weight of the aqueous polymeric dispersion solids, Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogues thereof, and mixtures thereof is provided. Also provided are a method for forming a coating therefrom, a method for improving the freeze-thaw stability of an aqueous coating including a polymeric dispersion and alternative uses for Phenylphenol-(CH2CH2O)2-50H, isomers thereof, aromatic ring substituted analogues thereof, and mixtures thereof.

Abstract: Antibacterial cosmetic brush hairs include synthetic fibers treated with quaternary ammonium salt, phenolic compound, and acid. The antibacterial cosmetic brush hairs inhibit the loss of the antibacterial effect through washing or the like.

Abstract: A coating having an adhesive hydrophilic polymer and an amphiphilic additive. The amphiphilic additive has a hydrophilic chain, a biocidal functional group bonded to the hydrophilic chain, and a hydrophobic moiety bonded to the hydrophilic chain or to the biocidal functional group. A method of forming a biocidal surface by providing an article, and coating the article with the above coating. A compound having the formula: Y—(O—CH2—CH2)n—R—(CH2)m—CH3. Y is CH3 or H. R is X is a halogen, and m and n are independently selected positive integers.

Abstract: An effective hydrogen sulfide scavenger that produces little corrosion may be prepared by reacting glyoxal with a compound having at least two primary or secondary amine groups. The subject hydrogen sulfide scavengers may be used with both the production of crude oil and natural gas, and the refining of same.

Abstract: Crosslinked ultra-high molecular weight polyethylene (UHMW-PE) is disclosed, as well as molded bodies made from the UHMW-PE and a process for making such UHMWE-PE.

Abstract: Flame retardant aqueous dispersions or suspensions comprising tris(tribromophenoxy)-s-triazine (TTBT) or tetrabromobisphenol A bis(2,3-dibromopropyl ether) (TBBPE) or a mixture thereof and one or more nonionic or anionic surface active agent(s) and/or wetting agent(s) used in textile are described. The flame retardants exhibit high compatibility with textile materials and are stable in aqueous solutions.

Abstract: An organohydrosiloxane composition comprising: a) one or more organohydrosiloxane compounds, each having at least one [—HSiR—O—] unit, wherein R?C1-C18 linear, branched, or cyclic alkyl, C1-C18 linear, branched, or cyclic alkoxy, or substituted or unsubstituted aryl, and b) an antioxidant compound shown in Formula (1) wherein the antioxidant compound is a phenolic compound and is present in a concentration from about 1 ppm to about 5,000 ppm and wherein R1 through R5 can each independently be H, OH, C1-C18 linear, branched, or cyclic alkyl, C1-C18 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl. The compositions of present invention exhibit stability and significantly extend the shelf life of organohydrosiloxane products and allow greater flexibility in handling these products in chemical processes or semiconductor manufacturing. The resulting stabilization of siloxanes prevents the possibility of complete polymerization (i.e.

Abstract: Described are antimicrobial strands comprising a) thermoplastic elastomer, b) polymer having a melting point of at least 10°C. below the melting point of the thermoplastic elastomer and c) halogenated phenol. These strands are notable for an excellent antimicrobial effect, which survives repeated washing.

Abstract: A recording medium with an ink image thereon, wherein a varnish at least partially covers the ink image, and wherein the varnish composition prior to application comprises at least one latex emulsion, water, at least one base and at least one surfactant.

Abstract: An aqueous suspension of cross-linked silicone particles comprising (A) cross-linked silicone particles having an average diameter of 0.1 to 500 ?m, (B) polyoxyethylene sorbitan monolaurate, and (C) water. And, in a second embodiment, an aqueous emulsion of cross-linked silicone particles comprising (A) cross-linked silicone particles having an average diameter of 0.1 to 500 ?m, (B) polyoxyethylene sorbitan monolaurate, (C) water, and (D) oil.

Abstract: A plastic lens which absorbs ultraviolet light having wavelength of about 400 nm and suppresses coloring and a process for producing the lens. A plastic lens may be made from a composition which comprises (A) a lens material monomer comprising diethylene glycol bisallylcarbonate, (B) an organic peroxide-based polymerization initiator, (C) a cobalt compound represented by at least one of CoO.Al2O3 and Co.Al2O4, and (D) at least one ultraviolet light absorbent selected from 2-hydroxy-4-octyloxy-benzophenone, 2,2?,4,4?-tetrahydroxy-4-octyloxybenzophenone and 2,2?,4?-trihydroxy-4-octyloxybenzophenone. A process for producing a plastic lens comprises mixing component (A), component (B), a cobalt fluid comprising component (C) in a dispersant and component (D) and a step of casting the mixed fluid into a mold and polymerizing the fluid to obtain a plastic lens.

Abstract: Methods for treating wastewater comprising adding to wastewater a defoaming and/or surfactant-effective quantity of at least one base-catalyzed branched reaction product comprising the following reactants: A) at least one compound of formula I R1(X)3??(I) wherein each X group is a halogen atom or one X group is a halogen atom and two X groups represent an epoxy oxygen atom, which is attached to two adjacent carbon atoms in the R1 group to form an epoxy group, and R1 is an alkanetriyl group containing from 3 to 10 carbon atoms; and B) at least one compound having the formula II R2X(AO)nY??(II) wherein R2 is a substituted or unsubstituted, saturated or unsaturated, organic group having from 1 to 36 carbon atoms; X is —O—, —S—, or —NR3— where R3 is hydrogen or a C1–C18 alkyl group; each AO group is independently an ethyleneoxy, 1,2-propyleneoxy, or 1,2-butyleneoxy group, n is a number of from 0 to 200; and Y is hydrogen, or Y can be a mercapto group or an amino group or a C1–C6 alkylamino group in place o

Abstract: There is a provided a polyurethane composition, which exhibits an excellent property of preventing discoloring or coloring not only by oxidized nitrogen gases but also by heat, characterized in that (A) a hindered phenol antioxidant, and (B) an amide represented by the following general formula (I): R1—CONH2??(I) wherein R1 represents an alkyl group having 12 to 21 carbon atoms is compounded in the polyurethane.

Abstract: A pressure-sensitive adhesive tape having a cured layer of a silicone pressure-sensitive adhesive composition containing a phenolic antioxidant is attached to an adherend of metal, typically copper for bonding or masking purposes. Even after exposure to elevated temperatures of 150-250° C., the tape can be smoothly peeled from the adherend without leaving any adhesive residue.

Abstract: A via and contact hole fill composition and method for using the composition in the dual damascene production of circuits is provided. Broadly, the fill compositions include a quantity of solid components including a polymer binder and a solvent system for the solid components. The boiling point of the solvent system is less than the cross-linking temperature of the composition. Preferred solvents for use in the solvent system include those selected from the group consisting of alcohols, ethers, glycol ethers, amides, ketones, and mixtures thereof. Preferred polymer binders are those having an aliphatic backbone and a molecular weight of less than about 80,000, with polyesters being particularly preferred.

Abstract: A process for preparing a container for handling a household waste material which involves molding a household waste container from a plastic batch material containing 0.1 to 10% by weight of at least one phenol biocide selected from the group consisting of 5,5′-dichloro-2,2′-dihydroxydiphenyl methane, 3,5,3′,5′-tetrachloro-4,4′-dihydroxydiphenyl methane, 3,5,6,3′,5′,6′-hexachloro-2,2′-dihydroxydiphenyl methane, 5,5′-dichloro-2,2′-dihydroxydiphenyl sulfide, 2,4,5,2′,4′,5′-hexachloro-dihydroxydiphenyl sulfide, 3,5,3′,5′-tetrachloro-2,2′-dihydroxydiphenyl sulfide, and 2,4,4′-trichloro-2′-hydroxydiphenyl ether to form the container with an inner and an outer co-extruded layer wherein the phenol is applied on a co-extruded layer forming the surface of the inner co-extruded layer.

Abstract: A microbe-inhibiting (MI) compound is incorporated into a biodegradable polymer composition, most preferably, a starch-based polymer, to inhibit microbial growth and to attenuate the biodegradation of the polymer composition. Such a composition is used to manufacture any of a number of articles, particularly those that come in contact with foods such as foam containers and fruit shock absorber nets as well as packing materials such as loose fill pellets.

Abstract: A via and contact hole fill composition and method for using the composition in the dual damascene production of circuits is provided. Broadly, the fill compositions include a quantity of solid components including a polymer binder and a solvent system for the solid components. The boiling point of the solvent system is less than the cross-linking temperature of the composition. Preferred solvents for use in the solvent system include those selected from the group consisting of alcohols, ethers, glycol ethers, amides, ketones, and mixtures thereof. Preferred polymer binders are those having an aliphatic backbone and a molecular weight of less than about 80,000, with polyesters being particularly preferred.

Abstract: A water-sensitive hot melt adhesive composition based on sulfonated branched copolyester polymers for use with articles such as paper products, disposable nonwoven products, tapes, labels and packaging materials. The adhesive composition includes about 10% to about 90%, by weight, of a sulfonated polyester copolymer or a blend of one or more sulfonated polyester polymers; about 0% to about 80%, by weight, of a tackifying resin; about 0% to about 40%, by weight, of a compatible plasticizer; about 5% to about 50% by weight of a polyethylene glycol having a molecular weight greater than 2000 and a melting point greater than 50° C; and about 0% to about 3% by weight of one or more antioxidant. The adhesive maintains the article in an assembled condition by providing adequate adhesive bond strength during normal use, but dissolves in the presence of water thereby permitting the article to be recycled or otherwise disposed of in an environmentally friendly manner.

Abstract: Resin compositions having a low viscosity, a low hygroscopicity, high adhesive properties and a high heat resistance as well as being light in weight and excellent in mechanical properties are provided. The resin compositions include polyhydric phenol compounds represented by the formula (1) and epoxy resins represented by the formula (3).

Abstract: An adhesive composition comprising (A) a copolymer of (meth)acrylic esters, (B) a crosslinking agent and (C) a phenol derivative; an adhesive composition comprising (D) a copolymer of (meth)acrylic esters having a weight-average molecular weight (Mw) of 500,000 to 2,500,000 or (D′) a mixture of the copolymer (D) and an oligomer of (meth)acrylic esters having Mw of 1,000 to 10,000 (100:5 to 100:100 by weight), (E) a crosslinking agent and (F) a radical scavenger; and an adhesive optical component comprising a layer of the adhesive composition disposed at least on one face of an optical component.

Abstract: Branched polymer defoamers for pigment dispersants.

Abstract: A silicon rubber composition for insert molding or two-cavity molding comprising from 0.01 wt % to 10 wt % of a phenolic compound having at least one alkoxy group and at least one alkenyl group per molecule.

Abstract: A thermoplastic composition that comprises a unreacted mixture of an aliphatic polyester polymer selected from the group consisting of a polybutylene succinate polymer, a polybutylene succinate-co-adipate polymer, a polycaprolactone polymer, a mixture of such polymers, or a copolymer of such polymers; a multicarboxylic acid; and a wetting agent. The thermoplastic composition is capable of being extruded into fibers that may be formed into nonwoven structures that may be used in a disposable absorbent product intended for the absorption of fluids such as body fluids.

Abstract: A biodisintegratable nonwoven material having improved fluid management properties. The nonwoven material may be produced using a thermoplastic composition that comprises a unreacted mixture of an aliphatic polyester polymer selected from the group consisting of a polybutylene succinate polymer, a polybutylene succinate-co-adipate polymer, a polycaprolactone polymer, a mixture of such polymers, or a copolymer of such polymers; a multicarboxylic acid; and a wetting agent. The thermoplastic composition exhibits substantial biodegradable properties yet is easily processed. The biodisintegratable nonwoven materials may be used in a disposable absorbent product intended for the absorption of fluids such as body fluids.

Abstract: Novel dibenzoylresorcinol-based compounds are disclosed wherein the dibenzoylresorcinol is bonded to the residue of either an alcohol or a carboxylic acid group, via a methylene carboxylate linking group; and wherein the dibenzoylresorcinol is bonded directly to a substituted or unsubstituted aryl group which does not include a pendent hydroxyl group. The groups attached to the dibenzoylresorcinol may contain a wide variety of functional sites which permit further reaction, e.g., copolymerization. The described compounds are very useful as UV light absorbers and may be used to form improved coating compositions which usually include a transparent, polymeric matrix material. The coating compositions may be applied to various substrates, e.g., thermoplastics, to afford a selection of enhanced properties, such as UV light resistance and abrasion resistance.

Abstract: Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings.

Abstract: A polymer comprising styrene or substituted-styrene and carboxylated monomer is prepared by a solution polymerization process, comprising first a polymerization step, followed by a neutralization step, and then a distillation step. The polymers have relatively low molecular weights, generally below about 10,000, and can have higher styrene content than has hither been possible. The polymers are found to have good soil release properties and so to be particularly useful in cleaning compositions for fabric or hard surface cleaning.

Abstract: A thermoplastic molding composition comprising polycarbonate and a comples ester are disclosed. The ester which conforms to ##STR1## wherein p is an integer of 2 to 8, q is an integer of 7 to 13 and R and R' independently denote a C.sub.x H.sub.2x+1 -group, where x is an integer of 8 to 24, with the proviso that R is linear, was found to impart to the composition excellent mold filling and release properties.

Abstract: Magnetic paint additives are formulated from ferromagnetic particles having a mixed particle range of from about 0.01.mu. to about 74.mu., preferably from about 0.01.mu. to about 37 to 44.mu.. Iron powder is preferred. Preferred additives are formulated by blending the particles with a surfactant or surfactant mixture, or a surfactant and alcohol mixture, in amounts sufficient to suspend the particles. The additive may be blended with any oil-, latex-, or lacquer-based paint or coating to form a magnetic paint or coating having a viscosity substantially similar to the paint containing no particles and/or additive. Some embodiments employ from about 500 to about 2000 grams of particles per gallon of paint. One preferred additive embodiment comprises 2 to 3 parts 6 to 9 micron iron powder and 1 part surfactant. Surfaces such as wood, wall board, sheet rock, foam, plywood, plastic, fiberboard and the like so coated may be cut with conventional woodworking tools to form magnetic signs.

Abstract: The invention concerns a rubber eraser made of a binder and plasticizer, as well as fillers, pigments and/or other additives, if applicable, which contains polyalkyl methacrylate (PAMA), especially polymethyl methacrylate (PMMA), polyethyl methacrylate (PEMA), polypropyl methacrylate (PPMA), polybutyl methacrylate (PBMA) and/or copolymerizates of these as the binder. Furthermore, the invention concerns processes for manufacturing such rubber erasers, where either first, a plastisol of fine-grain polyalkyl methacrylate and plasticizer is formed, and fillers, internal lubricants, pigments and/or other additives are then mixed into this plastisol, or according to which first, the PAMA powder, the filler as well as any other dry components such as internal lubricants, pigments, etc. are intimately mixed while dry, and the liquid plasticizer is then added to this mixture and mixed or kneaded in.

Abstract: Compositions of ethylene alkyl acrylate grafted onto a polyolefin such as isotactic polypropylene are provided. The composition is highly wettable by adding both a polar group material and a hydrophilic modifier to the polypropylene. The process comprises extruding the polyolefin into a fiber which is spinnable and may be used to form woven or nonwoven materials. The composition products are particularly well suited for forming various goods, including diaper coverstock, personal hygiene pads, battery separators, filters, tea bag pouches and filter stock.

Abstract: Powdery mixture of from 1 to 99 weight % of a graft polymer of resin-forming monomers on a rubber and from 99 to 1 weight % of a bisphenol and the use thereof for improving chemical materials.

Abstract: The cycloolefin resin compositions of the present invention comprise a thermoplastic resin containing an olefin polymer having an alicyclic structure, specific stabilizers selected from phenolic stabilizers, organic thioether stabilizers, organic phosphite stabilizers, UV-ray absorbers and hindered amine stabilizers. The cycloolefin resin compositions show excellent thermal aging resistance and weathering resistance by the use of specific stabilizers, and therefore they are favorably used for forming optical instrument parts. Furthermore, the thermoplastic resin may be prepared from an olefin polymer having an alicyclic structure and a flexible polymer or flexible polymers. The incorporation of the flexible polymer especially improves the mechanical strength of the resultant products, and therefore the resin compositions are favorably used for machine parts, electronic parts, automobile parts, etc.

Abstract: A flame retardant resin composition which includes 100 weight parts of a rubber-reinforced styrene-based resin, 2.about.35 weight parts of an epoxy-oligomer of tetrabromobisphenol-A (A1), 2.about.35 weight parts of bis-(tribromophenoxy)ethane (A2), 1.about.15 weight parts of antimony trioxide (B), and 0.1.about.10 weight parts of chlorinated polyethylene (C), wherein the total of the above (A1), (A2), (B) and (C) are 8.about.50 weight parts and the weight ratio of (A1)/(A2) is 10/90.about.75/25. The composition of the present invention has well-balanced flame retardance and impact resistance.

Abstract: A thermoplastic molding composition resistant to the degradation induced by ionizing-radiation is disclosed. The composition contains an aromatic polycondensate and an agent which is a compound conforming structurally to formula (I) ##STR1## or which is a member selected from the group consisting of oligocarbonate, polycarbonate, copolycarbonate, polyestercarbonate and polyesters which contain structural units conforming to formula (Ia) ##STR2## wherein R.sup.1 to R.sup.10 and X are defined. The composition is suitable for the manufacture of shaped articles, especially articles useful in medical applications.

Abstract: A novel polymeric pressure-sensitive adhesive formulation is provided comprised of a balanced hydrophilic/hydrophobic base polymer compounded with at least one water-soluble tackifying component. Upon contact of the pressure-sensitive adhesive with excess amounts of water, the water-soluble tackifying component is caused to separate from the base polymer, thus decreasing the ability of the base polymer to function as a pressure-sensitive adhesive. The adhesive may subsequently be easily removed from any substrate to which it has been applied.

Abstract: A flame retardant resin composition comprising (A) 70 to 10% by weight of a rubber-reinforced styrene base resin, (B) 20 to 85% by weight of a polycarbonate resin, (C) 5 to 35% by weight of a high molecular weight halogen-containing compound of the formula: ##STR1## wherein n is an average polymerization degree and an integer of 4 to 30, R and R' are independently a hydrogen atom, a methyl group, an epoxypropyl group, a phenyl group, a halogenated phenyl group or a group of the formula: wherein m is an integer of 0 to 3, which compound has a bromine content of at least 45% by weight and an epoxy equivalent of at least 10,000 g/mol, and (D) 0 to 10% by weight of an antimony compound, which resin composition is excellent not only in heat stability but also in heat resistance, impact resistance, processability and light resistance.

Abstract: Improved thermal stability and melt stability is demonstrated by stabilized compositions comprising a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon having incorporated therein a stabilizing quantity of a phenolic compound of defined structure.

Abstract: The dissipation of static electricity from film of ethylene/carboxylic acid copolymer is improved by the incorporation of a combination of antistatic compounds therein, viz sorbitan monooleate and certain alkyl phenol poly(ethylene oxides).

Abstract: Aqueous silicone emulsions, especially useful for rendering a wide variety of substrates nonadhesive/water-repellent by polycondensation crosslinking, contain (a) an .alpha.,.omega.-dihydroxydiorganopolysiloxane, (b) an organohydropolysiloxane containing at least 3 hydrogen atoms bonded to silicon atoms per molecule, (c) a polyvinyl alcohol, (d) a nonionic emulsifying agent, and (e) a crosslinking catalytically effective amount of a monochelate of pentacoordinated tin of valency IV.

Abstract: A compound represented by the formula of ##STR1## wherein R.sub.1 represents an alkyl having 1 to 5 carbon atoms;R.sub.2 represents an alkyl having 1 to 18 carbon atoms, an alkenyl having 2 to 5 carbon atoms, an aralkyl having 7 to 9 carbon atoms, phenyl, an aliphatic acyl having 2 to 5 carbon atoms, or benzoyl;R.sub.3 represents hydrogen or an alkyl having 1 to 11 carbon atoms; andR.sub.4 represents hydrogen or methyl.The compound is useful as a stabilizer for synthetic resins such as butadiene polymers. The butadiene polymer containing the compound is stable against thermal deterioration in the absence of oxygen, as well as against thermal oxidative deeterioration and thermal oxidative discoloration.