Abstract: The invention provides block copolymers comprising at least one block A comprising repeating units derived from monomers comprising lactam and acryloyl moieties and at least one block B comprising repeating units derived from hydrophobic monomers. The invention further provides compositions comprising the block copolymers and applications thereof in various industrial areas including personal care. The invention furthermore provides compositions comprising colloidal particles of the block copolymers. The variables x, y, R8 and R9 are described herein.

Abstract: Provided are novel 4- and 5-substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers, wherein the substituted 1,2,3-triazoles are modified by reaction with a modifying polymer (maleic anhydride based polymer). Depending upon the ratio of the substituted 1,2,3-triazole to the maleic anhydride based polymer employed, the resulting modified polymers can provide maleic anhydride based polymers that are partially or fully reacted with the substituted 1,2,3-triazoles. The resulting modified polymers may be partially or fully opened to provide amic acids, carboxylic acids, carboxylic acidic salts, imides, or esters. The novel 4- or 5-substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers can be converted to a wide variety of useful polymers and may be employed in a wide variety of compositions. An example of a modified polymer may be represented by the structure: formula: (1) wherein m, n, and q are defined herein.

Abstract: A prepolymerized resin and a preparation method thereof are provided, the method comprising a step of pre-reacting bis(vinylphenyl)ethane and polybutadiene. Bis(vinylphenyl)ethane may include 1,2-bis(4-vinylphenyl)ethane, 1,2-(3-vinylphenyl-4-vinylphenyl)ethane, 1,2-bis(3-vinylphenyl) ethane or a combination thereof. Polybutadiene has a 1,2-vinyl content of 85% or above and a number average molecular weight of less than 3000. A resin composition comprising the prepolymerized resin and an article made from the resin composition are also provided.

Abstract: Methods of improving Mooney stability of a brominated elastomer comprising: neutralizing a brominated elastomer effluent with a neutralizing agent and water to form a neutralized effluent comprising a hydrocarbon solvent; removing the solvent from the neutralized effluent to form a brominated elastomer slurry; and separating a brominated elastomer from the brominated elastomer slurry, wherein a Mooney stabilizer package comprising an amine-functional hindered amine stabilizer (HAS) and an acid scavenger can be added, together or separately, before the removing step are provided herein. The acid scavenger can comprise a protonatable atom with a pKa greater than the pKa of the HAS nitrogen atom. The separated brominated elastomer can have a delta Mooney of not more than about 10 Mooney units after ˜7 days at ˜80° C. Stabilized brominated elastomer compositions can be made using this method, and articles can be made from those compositions.

Abstract: A polymer resin comprising: (a) quantum dots, (b) a compound of formula (I) (I) wherein R1 is hydrogen or methyl and R2 is a C6-C20 aliphatic polycyclic substituent, and (c) a block or graft copolymer having Mn from 50,000 to 400,000 and comprising from 10 to 100 wt % polymerized units of styrene and from 0 to 90 wt % of a non-styrene block; wherein the non-styrene block has a van Krevelen solubility parameter from 15.0 to 17.5 (J/cm3)1/2.

Abstract: Disclosed is a linear low-density polyethylene grafted with maleic anhydride (MAH-g-LLDPE). The MAH-g-LLDPE has a unique combination of properties including a low density and a high melt index.

Abstract: The present invention provides a thermoplastic resin composition comprising 10 to 60 mass % of a graft copolymer (A), 1 to 20 mass % of a copolymer (B), 10 to 88 mass % of a copolymer (C), and 1 to 10 mass % of a copolymer (D). The contents of (A) to (D) are each relative to the total amount thereof. Copolymers (A), (B), (C), and (D) are as described in the specification.

Abstract: Stretch laminate hot melt adhesives and stretch laminates are described. The stretch laminate hot melt adhesives are suitable for adhering elastic materials with inelastic substrates, and allow permanent deformation of the inelastic substrate and extensions and retractions of the elastic materials. The stretch laminate hot melt adhesive is particularly suitable for back ear lamination for disposable absorbent articles.

Abstract: Disclosed is a graft copolymer comprising an arylene-ether oligomer group having at least one polyolefin moiety bound thereto, wherein the arylene-ether oligomer has a number average molecular weight of less than 5,000 g/mole and the polyolefin has Mw of less than 10,000 g/mole. Also disclosed is a method to prepare a graft copolymer comprising reacting a neat or diluted arylene-ether oligomer with a vinyl or vinylidene-terminated polyolefin at a temperature of at least 80 or 100 or 120° C. to form heated reaction components; further reacting a Br?nsted acid or Lewis acid with the heated reaction components to form a polyolefin-arylene-ether oligomer.

Abstract: The present invention relates to a composition comprising polyolefin, polyphenylene oxide (PPO) and a compatibiliser, articles made therefrom and the use of a graft or block copolymer as a compatibiliser.

Abstract: A method for increasing the melt strength and/or low shear viscosity of a polyethylene resin, the method comprising: a) providing a first polyethylene resin having a density ranging from 0.900 g/cm3 to 0.970 g/cm3, a melt index ranging from 0.01 g/10 min to 30 g/10 min, and at least 0.20 vinyl groups per 1,000 total carbons; b) providing a masterbatch composition comprising a free radical generator and a second polyethylene resin, wherein the free radical generator has a half-life at 220° C. of less than 200 seconds, and a decomposition energy higher than ?250 kJ/mol, and wherein the second polyethylene resin has a density ranging from 0.900 g/cm3 to 0.970 g/cm3, melt index ranging from 0.01 g/10 min to 100 g/10 min; and c) reacting the first polyethylene resin with the masterbatch composition to form a modified polyethylene resin.

Abstract: A tire tread composition includes a quantity of an elastomer including guayule natural rubber, and a quantity of a hydrocarbon resin substantially evenly distributed throughout the elastomer. The elastomer of the tire tread composition may consist entirely of guayule natural rubber. The hydrocarbon resin may be selected to have a predetermined miscibility in the guayule natural rubber. The predetermined miscibility is measured by a deviation of actual Tg from predicted Tg for either the tire tread composition or an elastomer-resin mixture consistent with the elastomer and resin used in the tire tread composition. In particular, the predetermined miscibility in the guayule natural rubber is less than about six percent (6%) deviation in the actual Tg from the predicted Tg at a 20 phr loading.

Abstract: The hydrogenated block copolymer according to the present invention is a hydrogenated block copolymer containing, in the molecule, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component.

Abstract: An elastomeric article comprising an olefin-block copolymer comprising within a range from 4 to 40 mol % of C4 to C12 ?-olefin derived units, the remainder being ethylene-derived units, wherein the melting point temperature (Tm2) is within a range from 92° C. to 120° C., and having an Mw/Mn value of less than 2.5. The olefin-block copolymer is desirably generated by combining ethylene, C4 to C12 ?-olefins, a single site catalyst, preferably a fluxional catalyst, and an activator. The elastomeric article may be an elastic hygiene garment, especially a garment comprising a waistband, stretch ear panels and/or belly bands.

Abstract: A process for producing an allylic alcohol functionalized butyl rubber involves contacting an epoxidized butyl rubber with benzoic acid, an analogue of benzoic acid or a C1-C7 alkanoic acid. The process and a polymer compound comprising the epoxidized butyl rubber and the benzoic acid, analogue of benzoic acid or a C1-C7 alkanoic acid provide a cost effective route to a polar functionalized butyl rubber, particularly to butyl rubber comprising allylic alcohol functional groups.

Abstract: The invention relates to penflufen-containing polymer particles, to penflufen-containing compositions comprising them, to processes for preparing them, and to the use thereof for protecting technical materials, more particularly wood, wood products, and wood-plastic composites.

Abstract: The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold.

Abstract: Disclosed is a hot melt adhesive comprising: (A) a thermoplastic block copolymer which is a block copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound; and (B) an amorphous wax modified with a carboxylic acid and/or a carboxylic anhydride. The hot melt adhesive is excellent in applicability at a low temperature near from about 140° C. to about 150° C. and excellent in creep resistance in a wet state, can reduce odor, is excellent in initial adhesive force, and is excellent in adhesive property (peel strength) to an olefin substrate. This hot melt adhesive can be used suitably so as to produce a disposable product.

Abstract: A method of forming a microphase separated block copolymer includes exposing a block copolymer to acid vapor under conditions effective to provide the microphase separated block copolymer. The block copolymer includes a first hydrophobic block and a second hydrophobic block that is acid-sensitive. The microphase separated block copolymer includes the first hydrophobic block and a hydrophilic block derived from the second hydrophobic block. Exposing the block copolymer to the acid vapor is conducted in the solid state.

Abstract: A fluororubber composition comprising 10 to 50 parts by weight of wollastonite and 0.5 to 10 parts by weight of organic peroxide based on 100 parts by weight of peroxide-crosslinkable fluororubber, the wollastonite being needle-like or fibrous wollastonite having an average fiber diameter of 5 ?m or less and an average fiber length of 40 to 80 ?m, and the wollastonite being surface-treated with an amino silane coupling agent or an epoxy silane coupling agent. The fluororubber composition that can be suitably used as, for example, a molding material for normal/reverse rotation oil seals that allow continuous excellent sealing of fluid in the operation of normal and reverse rotation.