Abstract: A polymer suitable for use in a thin film hinge (living hinge) comprising from about 0.1 to about 5 weight % of a C4-8 comonomer and the balance ethylene, said composition having a density as determined according to ASTM D 792 from about 0.945 to about 0.965 g/cm3; a melt index as determined according to ASTM D1238 (2.16 kg/190° C.) from about 10 to about 20 g/10 min; a weight average molecular weight (Mw) from about 45,000 to about 55,000 g/mol; a polydispersity from about 2.5 to about 3.1 and when molded into a strip having a length of about 13 cm and gross thickness from about 50 to about 70 mil (about 1 to about 2 mm) and completely bent over end to end four times to create a thinned region or crease having a thickness from about 15 to about 30 mil (about 0.3 to about 0.7 mm) tested by bending and releasing the deformed thinned region of the strip through a radius of curvature from about 180 to about 190° about a rounded plate goes through not less than 500 cycles without breaking.

Abstract: A polymer suitable for use in a thin film hinge (living hinge) comprising from about 0.1 to about 5 weight % of a C4-8 comonomer and the balance ethylene, said composition having a density as determined according to ASTM D 792 from about 0.945 to about 0.965 g/cm3; a melt index as determined according to ASTM D1238 (2.16 kg/190° C.) from about 10 to about 20 g/10 min; a weight average molecular weight (Mw) from about 45,000 to about 55,000 g/mol; a polydispersity from about 2.5 to about 3.1 and when molded into a strip having a length of about 13 cm and gross thickness from about 50 to about 70 mil (about 1 to about 2 mm) and completely bent over end to end four times to create a thinned region or crease having a thickness from about 15 to about 30 mil (about 0.3 to about 0.7 mm) tested by bending and releasing the deformed thinned region of the strip through a radius of curvature from about 180 to about 190° about a rounded plate goes through not less than 500 cycles without breaking.

Abstract: A polymer suitable for use in a thin film hinge (living hinge) comprising from about 0.1 to about 5 weight % of a C4-8 comonomer and the balance ethylene, said composition having a density as determined according to ASTM D 792 from about 0.945 to about 0.965 g/cm3; a melt index as determined according to ASTM D1238 (2.16 kg/190° C.) from about 10 to about 20 g/10 min; a weight average molecular weight (Mw) from about 45,000 to about 55,000 g/mol; a polydispersity from about 2.5 to about 3.1 and when molded into a strip having a length of about 13 cm and gross thickness from about 50 to about 70 mil (about 1 to about 2 mm) and completely bent over end to end four times to create a thinned region or crease having a thickness from about 15 to about 30 mil (about 0.3 to about 0.7 mm) tested by bending and releasing the deformed thinned region of the strip through a radius of curvature from about 180 to about 190° about a rounded plate goes through not less than 500 cycles without breaking.

Abstract: A thermoplastic composition comprises: a compatibilized blend of a poly(arylene ether), an aliphatic-aromatic polyamide and a polymeric compatibilizer; and an impact modifier; wherein the aliphatic-aromatic polyamide is composed of units derived from a dicarboxylic acid and units derived from a diamine and the units derived from a dicarboxylic acid comprise 60 to 100 mol % of units derived from terephthalic acid and the units derived from a diamine comprise 60 to 100 mol % of units derived from 1,9-nonanediamine, 2-methyl-1,8-octanediamine, or a combination of 1,9-nonanediamine and 2-methyl-1,8-octanediamine.

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: The invention relates to cover (insulation or jacket) compositions for wires or cables having a base polymer and a bismuth compound. The composition contains no significant amount of lead and no added fire retardant.

Abstract: Systems and compositions have a three component antioxidant blend for extending color and clarity of a thermoplastic polymer. The antioxidant blend includes a zinc dithiocarbamate, a phenolic and a thioether with a weight ratio range of about 1-2:1-2:1-2. A loading level of the antioxidant blend is from about 0.01 wt. % to about 1 wt. % of the systems and compositions.

Abstract: A colorimetric composition is disclosed comprising a polycarbonate resin, a dye, and a thiopropionate. The composition undergoes an irreversible color shift to a darker color upon exposure to sunlight or UV radiation. Processes for producing and/or using such a colorimetric composition are also disclosed.

Abstract: Provided is an electronic device comprising a thermally conductive sheet including a methacrylic polymer, a thermally conductive filler containing aluminum hydroxide in an amount of at least 10% by volume of the thermally conductive sheet, a combination of a phenolic antioxidant and a sulfur based antioxidant in an amount sufficient to impart thermal stability to the thermally conductive sheet, and a heat radiator.

Abstract: A resin composition which contains polycarbonate resin, does not transmit a wavelength of 385 nm substantially and has a high total light transmittance and excellent heat resistance. The resin composition comprises (1) polycarbonate resin, (2) an ultraviolet absorber (A) such as 2-(2H-benzotriazol-2-yl)-p-cresol, (3) an ultraviolet absorber (B) such as 2,2?-methylenebis[4-(1,1,3,3-tetramethylbutyl)-6-(2H-benzotriazol-2-yl)phenol] and (4) at least one compound (C) represented by the following formula (I) or (II) and is used for spectacle lenses. (R1—S—CH2—CH2—C(O)O—CH2—)4C??(I) (R2—O—C(O)—CH2—CH2—)2S??(II) (wherein R1 is an alkyl group having 4 to 20 carbon atoms, and R2 is an alkyl group having 6 to 22 carbon atoms.

Abstract: Organic thiol compounds based on pentaerythritol and dipentaerythritol are described herein. More specifically, the compounds of the present invention are mixed esters of pentaerythritol and dipentaerythritol having at least one sulfhydryl group and preferably a plurality of sulfhydryl groups as well as at least one non-thiol-containing group. The organic thiol compounds are utilized to plasticize and/or heat stabilize halogen-containing polymer compositions especially poly(vinyl chloride) compositions. The compositions are substantially free or free of metal-based stabilizers, Lewis acids and terpenes. The compounds of the present invention are ideally utilized in polymers normally susceptible to deterioration and color change which can occur during processing of the polymer or exposure of the polymer to certain environments and surprisingly also serve as excellent plasticizers.

Abstract: Disclosed herein is a process of manufacturing a filled rubber comprising the steps of: mixing a rubber, an inorganic filler, and a blocked mercaptosilane of a structure defined herein, to produce a rubber mixture; mixing into the rubber mixture; (i) a deblocking agent to deblock the blocked mercaptosilane, and (ii) a curing agent; and allowing the rubber mixture to cure.

Abstract: An elastomeric composition including a natural or synthetic rubber, and a cyclic dimerate ester and/or a cyclic trimerate ester plasticizer.

Abstract: The present invention relates to a synergistic additives mixture for producing calendered polyolefin articles, comprising A) at least one component from the group of peroxide-destroying phosphorus or sulfur compounds, B) at least one component from the group of phenolic antioxidants, C) at least one component from the group of sterically hindered amines, and D) if desired, further additives. Using this additive mixture prevents sticking to the hot roll surfaces and reduces the degradation of the polymer.

Abstract: Organic thiol compounds including mercaptophenylcarboxylates are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.

Abstract: The heat and light stability imparted to vinyl halide polymers by metal compounds conventionally employed for this purpose is considerably improved by the presence of a mercapto ester such as 2-mercaptoethyl stearate. The esters can replace a substantial portion of the metal compound with no significant reduction in stability.

Abstract: A blocked mercaptosilane of the structure: G-C(═O)—S—CH2CH2CH2SiX3 is disclosed wherein each X is an independently selected RO— group or R— group wherein each R is independently selected from the group consisting of hydrogen, alkyl that may or may not contain unsaturation, alkenyl groups, aryl groups, and aralkyl groups, such moieties other than hydrogen having from 1 to 18 carbon atoms, at least one X is RO—, and G is a monovalent alkyl group.

Abstract: The present invention relates to a polyacetal ABA type block copolymer having a liquid hydrogenated polybutadiene block hydroxyalkylated at both end having a specific monomer structure in the main chain and a polyacetal resin composition comprising the block copolymer and a specific polymer compound or an inorganic filler. The block copolymer and the resin composition can satisfy 4 characteristics necessary for materials for large-diameter gears, i.e. (1) high cycle capability (high productivity), (2) high roundness, (3) distinguished dimensional stability and (4) distinguished durability at the same time and provide useful materials for large-diameter gears having a pitch circle diameter of 60 mm or more.

Abstract: Heterocyclic tin compounds, useful as flame retardants and/or as smoke suppressants for halogen-containing polymers, e.g., polyvinyl chloride resins having application as wire and cable coatings, are obtained by reacting a trisubstituted triazine such as melamine with a tin-containing compound such as tin tetrachloride.

Abstract: Organic thiol compounds including aromatic, aliphatic, and diester ether compounds containing sulfhydryl groups are disclosed which can be utilized to plasticize and/or stabilize halogen-containing polymer compositions, especially poly(vinyl chloride) compositions. Compounds of the present invention are utilized in polymers normally susceptible to deterioration and color change, which typically occurs during processing of the polymer or exposure to certain environments.

Abstract: Disclosed herein is a rubber composition comprising: a) a blocked mercaptosilane of a defined structure, wherein the blocking group contains an unsaturated heteroatom or carbon chemically bound directly to sulfur via a single bond and, optionally, may be substituted with one or more carboxylate ester or carboxylic acid functional groups; b) an organic polymer; c) a filler; and d) a deblocking agent.

Abstract: The present invention relates to a process for improving the shelf life of a hindered phenol antioxidant comprising the step of intimately mixing the hindered phenol antioxidant with a sulfur-containing peroxide decomposer. The inventors have discovered that mixing the peroxide decomposer with the hindered phenol antioxidant reduces the tendency of hindered phenols to yellow with age. This increases the desirability of the hindered phenol because it will not impart color to polymer systems. The present invention also relates to a composition produced from the process described above, and stabilized compositions and additive packages containing the composition produced from the above-described process.

Abstract: The invention concerns the use, for increasing the durability of moulds made of silicone elastomer crosslinkable by a poly addition or polycondensation reaction, of additive capable of stabilizing the silicone elastomer constituting the mold with respect to materials to be molded, of an additive selected among: (a) antioxidant additives comprising, in their structure additives containing at least one R—Sq—R′ group in which R and R′ are monovalent hydrocarbon groups with at least 3 carbon atoms or a monovalent hydrocarbon group with an ester bond or R and R′ together form a cycle, q being a whole number between 1 and 3 inclusively, (b) additives inhibitors of free radicals capable, in moulding conditions of generating radicals ═N—O; the invention concerns the synergistic combination of (a)+(b), the synergistic combination of (a) and/or (b) with phosphites (c), except for the use of bis(1-octyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate as only additive in a silic

Abstract: Flame retardant compositions useful as insulation for 150° C.-rated wire and cable applications are provided. The compositions of the invention utilize an ethylene-alkyl acrylate copolymer base resin with a two-component stabilizer package consisting of a zinc salt of a mercaptobenzimidazole and an aromatic secondary amine compound. Also, included to achieve the requisite flame retardance, crosslinkability and physical properties are a brominated flame retardant, antimony trioxide, a hydrated inorganic filler and a chemical crosslinking agent.

Abstract: This invention relates to polyurethane compositions, and relates in particular to elastic polyurethane fibres resulting therefrom, which contain a dialkyl sulphosuccinate as an additive and/or which are finished with a polydialkylsiloxane, with a dialkyl sulphosuccinate and optionally with a mineral oil. As a result of this addition or of the preparation of the polyurethane composition or of the elastic polyurethane fibres with dialkyl sulphosuccinate, electrostatic charging of the polymer, such as that which occurs during the processing of warp-knitted fabric made of polyurethane fibres for example, is suppressed.

Abstract: The present invention relates to rubber compositions containing a disodium salt of 3,3′-dithiodipropionic acid.

Abstract: This invention describes the use of blocked mercaptosilanes wherein the hydrogen atom of the mercaptan functionality has been substituted to manufacture coating, adhesive, sealant and elastomeric compositions. The blocked mercaptosilanes described are unique in that they allow the application of elastomers to substrates to proceed while remaining inert toward coupling to the catalyst. The coupling reactions of these blocked mercaptosilicon compounds are triggered by exposure to an appropriate deblocking agent.

Abstract: A plastic lens is formed using a plastic lens composition which contains, as its main components, a resin material having a urethane-based resin, and at least one kind of UV absorbent selected from the group comprising 2-(5-methyl-2-hydroxyphenyl) benzotriazole, 2-(5-t-butyl-2-hydroxyphenyl) benzotriazole, 2-(5-t-octyl-2-hydroxyphenyl) benzotriazole, 2-(3, 5-di-t-butyl-2-hydroxyphenyl)-5-chlorobenzotriazole, 2-(3-t-butyl-5-methyl-2-hydroxyphenyl)-5-chlorobenzotriazole, 2-(3, 5-di-t-amyl-2-hydroxyphenyl) benzotriazole, and 2-(3, 5-di-t-butyl-2-hydroxyphenyl) benzotriazole. The total amount of addition of the UV absorbants is preferably in the range of 0.02 to 2.0 wt % relative to 100 wt % of the resin material.

Abstract: The invention relates to the films obtained by applying and drying a latex based on special acrylic monomers. These coatings are both flexible and have low surface tack and surface tension. The low tack and hydrophobic nature are provided by the special acrylic monomers. The field of application of the invention is that of the surface coatings industry.

Abstract: Foamed in place polymer compositions are made from monomer-in-polymer solutions containing free radical polymerization catalysts and foaming agents.

Abstract: Anti-bacterial film according to the present invention is suitable for use as food packaging wrap, and is given with the properties required for such film, such as a clinging property, transparency, and an anti-fogging property, as well as a high anti-bacterial property. The anti-bacterial film according to the present invention comprises, for 100 weight parts of PVC resin, 5 to 50 weight parts of a plasticizer, 0.3 to 3.0 weight parts of a stabilizer, 0.02 to 1.0 weight parts of hydrotalcite, 0.5 to 5.0 weight parts of an anti-fogging agent, and 0.02 to 2.0 weight parts of an anti-bacterial compound. The anti-bacterial compound may consist of a compound obtained by ion exchanging metallic ions of inorganic oxo-acid salt in the form of irregular particles having a particle diameter no more than 0.5 .mu.

Abstract: The invention relates to improved polyacetal compositions composed of polyoxymethylene (component A) and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, a sulfide, and a pH buffer system.The shaped articles produced from these mixtures are particularly distinguished by an excellent low-temperature impact strength and a good heat aging performance.

Abstract: An antigel agent composed of four types of antioxidants that allows polyamides to be blended with acrylonitrile/butadiene polymers with minimum generation of gels and yields a blend which can be extruded or sheeted to give a uniformed shaped product, for example, sheets and molded articles and is essentially free of plugging the screens of extruder used to extrude hose tube or sheet.

Abstract: Rubber mixtures vulcanisable with sulphur are proposed which lead to tires with a good rolling resistance and driving behavior on wet roads without the other driving characteristics deteriorating. The rubber mixtures contain a copolymer of conjugated diene and vinyl aromatic compound manufactured by emulsion polymerisation, polyisoprene, polybutadiene, silica, carbon black in a specific range of quantities and also customary additives and a vulcanisation system. A further embodiment additionally contains copolymer manufactured by solution polymerisation in specific quantity ranges, and in this embodiment the polyisoprene is an optional component.

Abstract: The invention relates to divalent immonium salts which are near infrared dyes of the formula (I).(R.sub.2 NAr).sub.2 --N.sup.+ .dbd.Ar'.dbd.N.sup.+ R.sub.2 +2X.sup.-(I)wherein:R.dbd.C.sub.1 to C.sub.6 alkyl; Ar=divalent phenyl which may or may not be ring substituted with one or more alkyl, alkoxy, halogen, nitro, cyano or carboalkoxy groups; Ar'=quinoidal phenyl which may or may not be ring substituted with one or more alkyl, alkoxy, halogen, nitro, cyano or carboalkoxy groups; and X=an anion of a strong acid. A double charged dye cation having an SbF.sub.6 anion associated with the dye can act both a near IR dye and an epoxy curative.

Abstract: The invention relates to improved polyacetal compositions composed of polyoxymethylene (component A) and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, a sulfide, and a pH buffer system.The shaped articles produced from these mixtures are particularly distinguished by an excellent low-temperature impact strength and a good heat aging performance.

Abstract: A stabilizer system for the suppression of yellowing in styrenic polymers, consisting essentially of a benzotriazole such as 2-(2'-hydroxy-3',5'-di-tert-amylphenyl)benzotriazole, a hydroxybenzocyanurate such as tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate and a condensation product of a N,N'-(2,2,6,6-tetramethylpiperidyl)-alkylenediamine and a 6-amino-2,4-dichloro-1,3,5-s-triazine such as the condensation product of N,N'-(2,2,6,6-tetramethylpiperidyl)hexamethylenediamine and 6-morpholino-2,4-dichloro-1,3,5-s-triazine. Additionally a dialkyl thiodipropionate and a zinc dialkyldithiocarbamate may be included in the stabilizer system.

Abstract: Esters and polyesters which contain disulfide linkages were found to be effective stabilizers of polycarbonate resin. Accordingly, a polycarbonate composition containing disulfide esters, alone or as a coadditive with a polyether is rendered more resistant to the deterioration resulting upon exposure to gamma radiation.

Abstract: The invention relates to improved thermoplastic compositions composed of one or more thermoplastics (component A), and a stabilized MBS core shell graft copolymer (component B) formed from a rubber-elastic core based on polybutadiene, and a hard graft shell.The stabilized MBS core shell graft copolymer (component B) contains a special stabilization formulation of at least one hindered phenol, a phosphite, an organic sulfide, and optionally a pH buffer system. The stabilized MBS core shell graft copolymer improves the impact strength and heat aging properties of thermoplastic compositions and polyacetal compositions.The shaped articles produced from the improved thermoplastic compositions are particularly distinguished by an excellent high-temperature impact strength and a good heat aging performance.

Abstract: Thermoplastic molding compositions containingA) ABS-type resin,B) aromatic polycarbonate resins,C) a compound bearing several carboxyl groups or mixtures thereof and optionallyD) further polymer resins,characterized in that an ABS resin with at least one basically acting additive is used as component A, component C is selected from compounds having a molecular weight of from 150 to 260 having at least two carboxyl groups (--COOH) in the molecule, and the weight ratio of basically acting additive in A: carboxyl groups in C is from 5:1 to 1:1.

Abstract: The present invention relates to flame retardant insulation and jacketing compositions useful for wire and cable products which exhibit improved adhesion to the metal conductor. This is achieved by the use of a specific stabilizer package comprised of three specific antioxidants and by varying their relative proportions. The compositions are based on ethylene-vinyl esters and ethylene-alkyl acrylate copolymers and are formulated with a hydrated inorganic filler, an alkoxy silane, a crosslinking agent and the three-component stabilizer package. Antioxidants utilized for the three-component stabilizer package include tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)]methane, pentaerythritol tetrakis(betalaurylthiopropionate) and thiodiethylene bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate).

Abstract: In accordance with the present invention, there is provided a novel composition for attaching a semiconductor device to a substrate. The invention composition comprises liquid polycyanate ester monomer, electrically conductive filler rendered substantially free of catalytically active metal ions and a curing catalyst. Treatment of filler to render it free of catalytically active metal ions significantly extends the pot life of the composition.

Abstract: A pneumatic tire with a tread comprised of elastomer, silica, optionally carbon black, and a silica coupler comprised of dithiodipropionic acid.

Abstract: A rubber composition comprised of elastomer, silica, optionally carbon black and a silica coupler comprised of dithiodipropionic acid.

Abstract: The present invention relates to improved flame retardant insulation/jacketing compositions for wire and cable products based on ethylene-vinyl ester and ethylene-alkyl acrylate copolymers. The copolymers are formulated with a hydrated inorganic filler, an alkoxysilane, a crosslinking agent, a processing additive and a combination of specific antioxidants, namely, a pentaerythritol betaalkylthiopropionate and a hindered phenol. The formulations stabilized with the pentaerythritol betaalkylthiopropionate/hindered phenol combination have good heat stability and do not tarnish or discolor the surface of the copper conductor upon steam vulcanization.

Abstract: The present invention relates to improved flame retardant insulation/jacketing compositions for wire and cable products based on ethylene-vinyl ester and ethylene-alkyl acrylate copolymers. The copolymers are formulated with a hydrated inorganic filler, an alkoxysilane, a crosslinking agent, a processing additive and a combination of specific antioxidants, namely, a pentaerythritol betaalkylthiopropionate and a hindered phenol. The formulations stabilized with the pentaerythritol betaalkylthiopropionate/ hindered phenol combination have good heat stability and do not tarnish or discolor the surface of the copper conductor upon steam vulcanization.

Abstract: Hindered phenol stabilized, stereoregular polymers of branched, higher alpha-olefins can be modified with unsaturated silanes, carboxylic acids, and/or carboxylic acid anhydrides in the presence of a free radical generator in the polymer melt. These polymers can also contain additional additives, such as glass fibers. An aliphatic thio compound is added after the grafting procedure for maximum beneficial effect.

Abstract: Thiol compounds are combined with an organometallic halide or metallic halide to provide thermal stability to vinyl halide polymers.

Abstract: The invention is directed to stabilizer compositions, to polymers containing three stabilizer compositions for use as additives in polymers, and to polymeric products which contain these additives. The stabilizer compositions comprise a compositon of: a) at least two hindered phenols and b) a sulfide. These compositions are admixed with polymers to provide polymeric additives to improve the physical and mechanical properties of polymers matrices.

Abstract: A compatible alloy of a polyester, such as polyethylene terephthalate (PET), and a polycarbonate containing effective amounts of a polyester compatibilization agent and a polycarbonate compatibilization agent does not show any apparent phase separation according to Transmission Electron Microscopy (TEM) micrographs. The PET compatibilization agent is a multiphase polymer desirably with a flexible polymer core and a functional polymer shell. The polycarbonate compatibilization agent is also a multiphase polymer desirably with a flexible polymer core and a functional polymer shell. Optionally, a polymer can be utilized which is non-compatible with the alloy, such as an immiscible polyester, e.g., polybutylene terephthalate (PBT). In other words, an incompatible polyester can be utilized along with a compatible alloy polyester.The alloy is thermoplastic and can contain various fillers as well as various reinforcing fibers such as fiberglass.