Abstract: This invention relates to a method for forming hollow silica-based particles suitable for containing one or more active ingredients or for containing other smaller particles which may include one or more active ingredients. In the method, an emulsion is prepared including a continuous phase that is polar or non-polar, and a dispersed phase comprising droplets including (i) a polar active ingredient when the continuous phase is non-polar or (ii) a non-polar active ingredient when the continuous phase is polar; and a prehydrolyzed silica precursor is added to the emulsion such that the silica precursor can be emulsion templated on the droplets to form hollow silica-based particles.

Abstract: Method for the preparation of a sticky random propylene copolymer (R-PP) in a reactor facility comprising in series (i) a first reaction system, (ii) a first conveying line connecting the first reactor system with a second reactor system comprising an outlet, (iii) a second conveying line connecting the outlet with a purge bin comprising a feeder, and (iv) a conveying system being connected with the feeder, and the preparation of said random propylene copolymer (R-PP) comprises the steps in the order of (a) producing in said first reactor system a propylene homopolymer (H-PP) or a random propylene copolymer (R-PP1), (b) transferring at least a part of said polypropylene to said second reactor system via the first conveying line, (c) producing in said second reactor system a random propylene copolymer (R-PP2) obtaining the random propylene copolymer (R-PP), (d) discharging said random propylene copolymer (R-PP) from said second reactor system via the outlet, (e) transferring said discharged random propylene co

Abstract: Nanocomposites comprising a sulfonated telechelic polycarbonate and an organically modified clay are disclosed. The polycarbonate nanocomposites have improved physical and mechanical properties.

Abstract: A thermoplastic elastomer (TPE) is disclosed which is markable by a laser operating at an ultra-violet wavelength because of the presence of between about 0.05 and about 0.1 weight percent of titanium dioxide or between about 0.1 and 0.3 weight percent of zinc oxide.

Abstract: A microfluidic device to produce polymersomes having three coaxial passageways of increasing size with fluid flowing in one direction. The first and smallest passageway contains the content of the polymersome, the middle passageway contains a block copolymer, and the largest and outer passageway contains an aqueous medium or water. The device can produce polymersomes with control of size and membrane thickness. The device will allow quantitative loading of the polymersomes in high quantities. The device is robust and easily assembled and has the ability to independently control the three streams involved in making the polymersomes.

Abstract: Disclosed are low-tack, hydrophobic, high refractive index, acrylic materials. These materials, especially useful as intraocular lens materials, contain one or more aryl acrylic hydrophobic monomers as principal device-forming monomers, a tack-reducing block copolymer additive and a glistening-reducing additive. In addition to their use as intraocular lens materials, the present materials are also suitable for use in other implantable ophthalmic devices.

Abstract: An adhesive adapted for stabilizing ceramic restorations for dental use, that includes a reaction product of an admixture of: a di(organo)polysiloxane that includes at least two vinylic groups and has a viscosity of at least 100 cP at 25° C.; a silicone resin; an (organo)(hydrogen)polysiloxane; a silanated fumed silica; and a filler. Preferably, the admixture includes a di(organo)polysiloxane that includes at least two vinylic groups and has a viscosity of at least 100 cP at 25° C.; a silicone resin; an (organo)(hydrogen)polysiloxane; an organoplatinum polymerization catalyst; a silanated fumed silica; a polymerization retardant; an inorganic pigment; and a filler.

Abstract: Microcapsules comprising an agglomeration of primary microcapsules, each individual primary microcapsule having a primary shell and the agglomeration being encapsulated by an outer shell, may be prepared by providing an aqueous mixture of a loading substance and a shell material, adjusting pH, temperature, concentration and/or mixing speed to form primary shells of shell material around the loading substance and cooling the aqueous mixture until the primary shells agglomerate and an outer shell of shell material forms around the agglomeration. Such microcapsules are useful for storing a substance and for delivering the substance to a desired environment.

Abstract: The invention provides a rubber composition for golf balls which includes (A) a base rubber containing a polybutadiene having a cis-1,4 bond content of at least 60 wt %, (B) an unsaturated carboxylic acid and/or a metal salt thereof, and (C) a benzimidazole of general formula (1) or (2) below wherein R is a hydrogen atom or a hydrocarbon group of 1 to 20 carbons, and m is an integer from 1 to 4, with the proviso that if m is 2 or more, each occurrence of R may be the same or different. The golf ball rubber composition of the invention enables a high-quality molded and crosslinked product having a suitable hardness and a high resilience to be obtained.

Abstract: A cellulose resin produced by binding cardanol or a derivative thereof and abietic acid or a derivative thereof to cellulose or a derivative thereof.

Abstract: A liquid adhesive formulation, that includes a blend of at least one all-acrylic emulsion polymer and at least one styrene acrylic copolymer emulsion; as well as at least one organic amine; at least one freeze-thaw stabilizer; at least one, bactericide; at least one mildewcide; at least one surfactant; at least one coalescent; at least one adhesion promoter; at least one solvent; at least one rheology modifier; at least one defoamer; or combinations thereof.

Abstract: The invention provides a material for contact lenses, including a first siloxane macromer with the number average molecular weight of about 1,000 to 10,000, wherein the first siloxane macromer has a crosslinking function and is represented by the following formula (I): a second siloxane macromer is selected from the group consisting of a siloxane macromer represented by the following formula (II) and a siloxane macromer represented by the following formula (III): at least one hydrophilic monomer; and an initiator.

Abstract: A method of making capsules includes forming a mixture including a core liquid, a polyurethane precursor system, a first component of a two-component poly(urea-formaldehyde) precursor system, and a solvent. The method further includes emulsifying the mixture, adding a second component of the two-component poly(urea-formaldehyde) precursor system to the emulsified mixture, and maintaining the emulsified mixture at a temperature and for a time sufficient to form a plurality of capsules that encapsulate at least a portion of the core liquid. The capsules made by the method may include a polymerizer in the capsules, where the capsules have an inner capsule wall including a polyurethane, and an outer capsule wall including a poly(urea-formaldehyde). The capsules may include in the solid polymer matrix of a composite material.

Abstract: The present invention provides a resin composition used for peelable coating and compounding process thereof. The composition includes the following components: (a) 100 parts by weight of film-forming resin containing at least one acrylic resin; (b) 0.1-40 parts by weight of at least one separating agent, which is polypropylene glycol or glycerin fatty acid ester or their mixtures; and (c) 40-60 parts by weight of at least one solvent. The peelable coating formed from the resin composition has excellent water resistance and excellent peeling performance even under the condition of prolonging storage period.

Abstract: The present invention discloses a kit of material for dentin restoration including a combination of a plurality of kinds of curable pastes each having a different hue, wherein each of the curable pastes exhibits L* of 55 to 75 and a fluctuation range of L* of 3 or less in a CIELab color system when the color of a cured body with a thickness of 3.0 mm obtained by curing the pastes is measured against a black background, and a method for producing the kit of material for dentin restoration.

Abstract: The invention relates to aqueous dispersions, characterized in that they comprise (c) at least one aqueous silicon dioxide dispersion with a mean particle diameter of the SiO2-particles of 1 to 400 nm and (d) at least one water-soluble hydroxyl-containing organic compound, to a process for their preparation and to their use in adhesive and coating formulations.

Abstract: Methods of preparing molecularly imprinted polymers are provided. In one embodiment, a method comprises providing a solution comprising a template molecule; and forming a product comprising calcium alginate in the presence of the template molecule so that the template molecule is imprinted in the product.

Abstract: The present invention relates to a silicone polymer comprising a sulfonic acid component formed from reactive components comprising (i) at least one silicone component and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a non-polymerizable, hydrophobic cation and a polymerizable sulfonic acid.

Abstract: The present invention relates to benefit agent containing delivery particles, compositions comprising said particles, and processes for making and using the aforementioned particles and compositions. When employed in compositions, for example, cleaning or fabric care compositions, such particles increase the efficiency of benefit agent delivery, there by allowing reduced amounts of benefit agents to be employed. In addition to allowing the amount of benefit agent to be reduced, such particles allow a broad range of benefit agents to be employed.

Abstract: The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.