Abstract: The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.

Abstract: A compound (A) is represented by the formula (1): wherein R1 is a hydrogen atom or an alkali metal atom, R2 is a hydrogen atom or an alkali metal atom, R3 is a hydrogen atom or a methyl group, Z is a divalent or trivalent organic group, and the lines consisting of a solid line and a broken line bonded to Z represent a single bond or a double bond.

Abstract: The present disclosure pertains to crosslinkable compositions and systems as well as methods for forming crosslinked compositions in situ, including the use of the same for embolizing vasculature including the neurovasculature within a patient, among many other uses.

Abstract: Base material arrangements having at least two layers can accommodate the addition of antifungal material (nanofiller), such as in denture base resin without significantly compromising the mechanical properties and/or translucency of the base material arrangements. Antifungal agents such as nanosilver and nanozirconia can be used to modify a surface layer of the material arrangements, such as the denture base, to overcome certain known shortcomings of the modified materials, e.g., typical acrylic resins containing nanosilver and nanozirconia.

Abstract: In one aspect, the present disclosure relates to a contact lens comprising a disclosed lubricious surface layer. In a further aspect, the lubricious surface layer comprises a polyacrylamide, e.g., a poly(N,N-dimethylacrylamide. In various aspects, the lubricious surface layer is formed at the surface of a contact lens. In a further aspect, the lens can be a hydrogel lens. In a further aspect, the lens can be a silicone hydrogel lens. The present disclosure also pertains to methods of forming the disclosed lubricious surface layers on a surface of a contact lens. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present disclosure.

Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.

Abstract: Provided are polymer compositions made by a process comprising: (a) providing a first reactive composition containing: (i) a polymerization initiator that is capable, upon a first activation, of forming two or more free radical groups, at least one of which is further activatable by subsequent activation; (ii) one or more ethylenically unsaturated compounds; and (iii) a crosslinker; (b) subjecting the first reactive composition to a first activation step such that the first reactive composition polymerizes therein to form a crosslinked substrate network containing a covalently bound activatable free radical initiator, (c) combining the crosslinked substrate network with a second reactive composition containing one or more ethylenically unsaturated compounds; and (d) activating the covalently bound activatable free radical initiator of the crosslinked substrate network such that the second reactive composition polymerizes therein with the crosslinked substrate network to form a grafted polymeric network and a

Abstract: Disclosed is an aqueous coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with a rhamnolipid and/or sophorolipid biosurfactant, which in one embodiment is a mono-rhamnolipid. Also provided is an aqueous architectural coating composition including at least one latex polymer derived from at least one monomer copolymerized or blended with a biosurfactant, at least one pigment, and water.

Abstract: A composition for a food product storage container includes a polypropylene co-polymer, a tie additive, a color concentrate, and Ethylene vinyl alcohol. The ethylene vinyl alcohol may be between 3 and 10% by weight of the food product storage container. The composition further comprises small particle talc. The composition may be configured to be co-injection molded to form the food product storage container which may reduce an ingress of moisture and/or oxygen.

Abstract: The present invention generally relates to inherently wettable silicone hydrogel contact lenses having relatively high oxygen permeability, relatively high equilibrium water content and relatively low elastic modulus. The present invention is also related to a method for making such inherently wettable silicone hydrogel contact lenses.

Abstract: A bioanalogic implantable ophthalmic lens (“BIOL”) capable of replacing the natural crystalline lens (NCL) in its various essential functions after the NCL having been removed and BIOL implanted into the posterior eye chamber and placed into the capsular bag vacated from the NCL. At least the posterior surface of the lens has a convex shape and is made from a transparent flexible hydrogel material. At least the anterior and posterior optical surfaces are defined by rotation of one or more conic sections along the main optical axis and the surfaces defined by the rotation will include a plane perpendicular to the axis and conical surface symmetrical by the axis. A hydrogel implantable ophthalmic lens whose optical parameters can be optimized and/or customized by a controlled absorption of electromagnetic radiation resulting in a change of the refractive index of the irradiated hydrogel.

Abstract: Dental material which comprises at least one compound of formula I, in which R1 is a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more urethane groups, ester groups, oxygen atoms and/or sulfur atoms; X, Y, Z independently of each other in each case are —COOR2, —CON(R3R4)—, an aromatic C6-C10 hydrocarbon radical or CN, wherein R2, R3, R4 in each case independently of each other is hydrogen, a linear, branched or cyclic aliphatic C1-C30 hydrocarbon radical or an aromatic C6-C30 hydrocarbon radical, wherein the aliphatic or aromatic hydrocarbon radical can be substituted or unsubstituted and wherein aliphatic hydrocarbon radicals can be interrupted by one or more oxygen atoms, and m is 2 or 3.

Abstract: A method for making a hydrogel, photochromic contact lens including supplying a first lens composition comprising a contact lens monomer and a photochromic material to a front contact lens mold and supplying a second lens composition to said contact lens mold wherein the viscosity of said first composition is at least about 1000 cp greater than the viscosity of said second contact lens composition, and the makeup of said second composition matches the of said first composition to reduce strain between said compositions of the resulting lens.

Abstract: The present invention provides a photopolymerization initiator capable of exhibiting excellent sensitivity to photopolymerization and ensuring a sufficient pot life under ambient light, and a dental photocurable composition comprising the photopolymerization initiator. More specifically, the present invention provides a photopolymerization initiator (c) used in a dental photocurable composition, comprising: (c-1) a photosensitizer, (c-2) a polymerization accelerator, and (c-3) an aryliodonium salt represented by the formula (1): [Chemical Formula 1] [(R1)2I]+[(R2)bPF6-b]???(1) wherein, R1 represents an organic group bonded to I, R2 represents an alkyl group in which a part of hydrogen atoms is substituted with a flourine atom, and b represents the number thereof which is an integer of from 1 to 5, and a dental photocurable composition comprising the photopolymerization initiator.

Abstract: Provided is a lactic acid-based block copolymer which is biodegradable while having excellent mechanical properties.

Abstract: Provided herein is a process for treating dregs for the application thereof as vulcanization activator of rubbers, putting an end to this residue generated in the cellulose industry and providing vulcanized rubbers with similar or enhanced properties in relation to those already known. The process for treating dregs includes the steps of: (a) drying the dregs; and (b) micronization of the dry dregs to an average particle size (d50) from 2 to 45 micrometers. Further provided herein are treated dregs, a use of treated dregs as vulcanization activator, and a process for vulcanizing rubber and the vulcanized rubber.

Abstract: A method for producing a stabilizer composition for a polymer and a stabilizer composition produced by the method. At least one carboxylic acid is reacted with at least one metal compound, such as at least one metal hydroxide and/or at least one metal oxide and/or at least one metal carbonate, thereby forming a metal carboxylate of the carboxylic acid. The reaction of the carboxylic acid with the metal compound is carried out in a continuous manner in an extruder while reaction water being formed is discharged out of the extruder.

Abstract: It is an object of the present disclosure to provide a biochemical tool capable of satisfactorily reducing absorption of a biochemical substance to a surface contacting a sample of the biochemical substance. A biochemical tool configured to contact a sample of a biochemical substance includes a part configured to contact the sample of the biochemical substance, the part being made of a resin composition containing at least one cycloolefin polymer selected from the group consisting of a copolymer of a cycloolefin and a chain olefin, a ring-opened polymer of a cycloolefin, and a hydrogenated product of a ring-opened polymer of a cycloolefin, and an antioxidant, the resin composition including 0.01 parts by mass or more and 0.7 parts by mass or less of the antioxidant relative to 100 parts by mass of the cycloolefin polymer.

Abstract: Base material arrangements having at least two layers can accommodate the addition of antifungal material (nanofiller), such as in denture base resin without significantly compromising the mechanical properties and/or translucency of the base material arrangements. Antifungal agents such as nanosilver and nanozirconia can be used to modify a surface layer of the material arrangements, such as the denture base, to overcome certain known shortcomings of the modified materials, e.g., typical acrylic resins containing nanosilver and nanozirconia.

Abstract: A dental pulp capping composition can comprise a particulate base material which is non-toxic, and capable of forming a structural capping matrix; and a particulate setting material which is non-toxic, water-soluble, biocompatible, and capable of setting the composition. Optional growth factors can also be introduced into the composition to facilitate dental tissue repair. A complimentary method of restoring damaged tooth features can comprise removing diseased and/or damaged portions of the tooth to expose a prepared tooth region. Water can be added to the dental pulp capping composition to form a workable coherent paste. The workable coherent paste can be introduced into the prepared tooth region. The workable coherent paste can then be shaped within the prepared tooth region and then set to form a rigid biomimetic structure within the prepared tooth region.