Abstract: A Chelating agent comprising a polymer backbone. The polymer backbone has a plurality of carbon atoms. There are two carboxylate groups or carboxylic acid groups per repeating unit being coupled to separate carbon atoms of the backbone.

Abstract: The present invention relates to a polysilsesquioxane spherical particle containing a ultraviolet light (UV) absorbing group, and manufacturing method thereof, characterized in that a preferred embodiment of the present invention comprises (i) preparing a silsesquioxane precursor containing the UV-absorbing group; and (ii) reacting the silsesquioxane precursor prepared in the step (i) with aminoalkylalkoxy silane compound or its oligomer under a solvent by means of a catalyst or a catalyst and co-polymerization precursor to prepare a polysilsesquioxane spherical particle containing a UV-absorbing group. The present invention provides the polysilsesquioxane spherical particle having a good physical property and a good UV-absorbing efficiency as cosmetic additive, and a simple and economical method of manufacturing the spherical particle.

Abstract: This invention relates to a process for producing an oligomeric product by the oligomerization of at least one olefinic compound by contacting the at least one olefinic compound with an oligomerization catalyst in an aliphatic liquid medium at a reaction temperature of at least 50° C. The catalyst comprises the combination of a source of a transition metal; and a ligating compound of the formula (R1)m X1 (Y) X2 (R2)m.

Abstract: A flame resistant thermoplastic resin composition having improved impact resistance and chemical resistance is provided. The flame resistant thermoplastic resin composition includes about 100 parts by weight of a base resin; about 3 to about 20 parts by weight of a halogen-containing flame retardant (C); and about 0.1 to about 6 parts by weight of an antimony-containing flame retarding aid (D). The base resin includes about 20 to about 99% by weight of an epoxy group-containing rubber modified aromatic vinyl based resin (A) comprising about 1 to about 99% by weight of an epoxy-containing rubber modified aromatic vinyl based copolymer (Al), about 1 to about 99% by weight of an epoxy-containing vinyl copolymer (A2), and about 0 to about 98% by weight of an aromatic vinyl based copolymer (A3), and about 1 to about 80% by weight of a polyester resin (B).

Abstract: This invention provides chain extender compositions. These compositions comprise (i) an aromatic primary diamine, and (ii) a component selected from the group consisting of: (a) an aliphatic secondary diamine; (b) an aliphatic primary diamine; (c) an aliphatic secondary diamine and an aliphatic primary diamine; (d) a diimine; and (e) a combination of any two or more of (a) through (d). When (ii) is (a), (a) has amino hydrocarbyl groups which are secondary or tertiary hydrocarbyl groups; when (ii) is (d), and (d) is an aromatic diimine, each imino hydrocarbylidene group has at least two carbon atoms. Processes for producing polyurethanes, polyureas, and polyurea-urethanes are also provided.

Abstract: The catalyst for olefin polymerization contains three components A, B and C. The component A is a solid catalyst containing titanium, magnesium, chlorine element and an internal electron donor, the internal electron donor consists of 1,4-diether [2,2?-dialkoxy-1,1?-biphenyl, 2,2?-dialkoxy-1,1?-binaphthalene, 10,10?-dialkoxy-9,9-biphenanthrene]and organic acid ester or 1,3-diether [9,9-bis(methoxymethyl)fluorine, 2,2-dialky 1-1,3-dimethoxypropane]; the component B is an organoaluminum compound; the component C is external electron donor-organic silicon compound or the 1,4 aromatic diether. The catalyst has high catalytic activity, and can be adjusted in the range from 40,000 to 150,000 gPP/gCat when used in propylene polymerization. The polymer made therefrom has isotactivity of 80 to 99 percent and the molecular weight distribution can be adjusted in a wide range. The invention provides a novel method for preparing the 1,4 aromatic diether.

Abstract: A copolymer containing units represented by the defined formula (1) and olefin units; and a process for producing the copolymer, which comprises the step of copolymerizing a compound represented by the defined formula (3) with an olefin, the units represented by the formula (1) being polymerized units of the compound represented by the formula (3) such as 5,5-diallyl-2,2-dimethyl-1,3-dioxane.

Abstract: Halogen-free, flame-retardant, crack-resistant, cable coatings are prepared from a composition comprising: A) 3 to 10 percent by weight of a low-melting temperature and medium to high grafted level maleic anhydride grafted polyethylene using a VLDPE base resin having density ranging from 0.86 to 0.91 g/cm3 and made with a single-site catalyst; B) 15 to 25% by weight of at least one EEA or EVA; C) 5 to 20% by weight of an ?-olefin polymer; and D) 40 to 65% by weight of a flame retardant inorganic filler.

Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.

Abstract: A fabrication method for a metal-base/polymer-resin bonded structured body according to the present invention includes the steps of: (1) applying, to a surface of the metal base, a solution containing an organometallic compound decomposable at 350° C. or lower; (2) baking the applied solution in an oxidizing atmosphere to form, on the surface of the metal base, a coating containing an oxide of the metal of the organometallic compound; (3) providing the polymer resin on the coating; and (4) hardening the polymer resin to provide the metal-base/polymer-resin bonded structured body.

Abstract: A proton conducting polymer includes a polymer backbone and a heterocyclic compound attached to the polymer backbone. The heterocyclic compound includes a sulfonyl functionality bonded to heterocyclic compound.

Abstract: The compound represented by general formula (I) below: wherein R10 represents hydrogen atom or methyl group; X represents —O(C?O)— or the like; and R represents hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or the like, and a polymer obtained by polymerizing a polymeric compound comprising the compound, which are useful for manufacturing hydrophilic polymer materials of high biocompatibility.

Abstract: The invention is an article of manufacture, comprising a blend of: (A) from 1 to 50 weight percent of at least one block copolymer, wherein the block copolymer has at least one polystyrene block and at least one unsaturated rubber segment; and (B) from 99 to 50 weight percent of a natural oil. The natural oil of this invention is of natural animal, plant or vegetable oils or mixtures thereof, and the block copolymers have a polystyrene block and a rubber block where the rubber blocks are unsaturated rubbers such as polyisoprene, polybutadiene, or mixtures thereof. The block copolymers useful for the present invention are triblock polymers, radial (star) polymers, multiblock polymers, diblock polymers, or mixtures thereof.

Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.

Abstract: Aluminoxane compositions derived from aluminoxane source, halogen source, and Lewis base are provided. Such compositions are useful for activating catalysts for olefin polymerization.

Abstract: Polymerization processes in a bulk loop reactor are described herein. In particular, a method of contacting a flow of metallocene with a flow of propylene is provided. This method includes directing the flow of metallocene towards a junction, directing the flow of propylene towards the junction and maintaining a portion of the flow of metallocene separate from a portion of the flow propylene within a portion of the junction downstream of the flow of propylene into the junction. In another embodiment, a method of introducing a quantity of antifouling agent into a catalyst mixing system is provided. In this embodiment a portion of the antifouling agent is introduced at or downstream of a point of contact of a stream of propylene with a stream of catalyst. The antifouling agent may be a member, alone or in combination with other members, selected from Stadis 450 Conductivity Improver, Synperonic antifouling agent, and Pluronic antifouling agent.

Abstract: The interlayer insulating film of this invention is composed of a polymer in which a first monomer having four substituted acetylenyl groups and polymerizable in the three-dimensional direction and a second monomer having two substituted cyclopentanonyl groups and polymerizable in the two-dimensional direction are three-dimensionally polymerized.

Abstract: The present invention is an optical waveguide-forming paste composition including (A) barium sulfate particles with a mean particle diameter of 1 nm or more to 50 nm or less, (B) a compound having a polymerizable group and a carboxyl group, or a phosphoric ester compound having a polymerizable group, and (C) an organic solvent.

Abstract: The photostabilizing electronic excited state energy—particularly singlet state energy from a UV-absorbing molecule has been found to be readily transferred to (accepted by) ?-cyanodiphenylacrylate compounds of formulas (I) and (V) having an alkoxy radical preferably in the four (para) position (hereinafter methoxycrylenes) on one or both of the phenyl rings: wherein at least one of R1 and R2 is a straight or branched chain C1-C12 alkoxy radical, preferably C1-C8, more preferably C1-C4, and most preferably methoxy, and any non-alkoxy radical R1 or R2 is hydrogen; and R3 is a straight or branched chain C1-C24 alkyl radical, preferably C12-C24, more preferably C20; wherein A and B are the same or different and are selected from the group consisting of oxygen, amino and sulfur; R1 and R3 are the same or different and are selected from the group consisting of C1-C30 alkyl, C2-C30 alkylene, C2-C30 alkyne, C3-C8 cycloalkyl, C1-C30 substituted alkylene, C2-C30 substituted alkyne, aryl, substituted aryl, het

Abstract: A modified butyl rubber composition containing a modified butyl rubber obtained by a modification reaction of a compound (a) having a nitroxide-free radical, stable in the presence of oxygen at an ordinary temperature, in the molecule thereof and a radical initiator (b) and at least two kinds of bi- or more-functional radical polymerizable monomers (c).