Abstract: A chain-extended silicone represented by the formula Each R1 independently represents H or a C1-C15 hydrocarbyl group. Each R2 independently represents H or a C1-C6 alkyl group. Each A independently represents a C1-C18 hydrocarbylene group, optionally substituted with up to 5 heteroatoms selected from the group consisting of O, N and S. Each Z independently represents a leaving group displaceable by a primary or secondary alkylamine. Each m independently represents an integer from 5 to 1000, inclusive. n represents an integer greater than or equal to two. The chain-extended silicone can be functionalized with aziridine groups. Methods of making the foregoing are also disclosed. Curable compositions, including a thermal gap filler, including the chain-extended silicone are also disclosed.

Abstract: According to one aspect, the present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a) a thermally curable resin; b) a thermal curing initiator for the thermally curable resin; c) a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and d) a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound; wherein the free-radical polymerization initiator is activated by visible light.

Abstract: The present disclosure relates to a curable precursor of a structural adhesive composition, comprising: a thermally curable resin; a thermal curing initiator for the thermally curable resin; a radiation self-polymerizable multi-functional compound comprising a polyether oligomeric backbone and at least one free-radical (co)polymerizable reactive group at each terminal position of the oligomer backbone; and a free-radical polymerization initiator for the radiation self-polymerizable multi-functional compound.

Abstract: The present disclosure relates to a curable composition comprising: a) a base component comprising a cationically self-curable silicone-based oligomeric compound; b) a curing system for the cationically self-curable silicone-based oligomeric compound; and c) a thermally-conductive filler. According to another aspect, the present disclosure is directed to method of manufacturing a curable composition. In yet another aspect, the disclosure relates to the use of a thermally-conductive curable composition for industrial applications, in particular for thermal management applications in the automotive industry.

Abstract: The invention relates to a process of taking a dental impression, the process comprising the steps of providing a radiation-curable dental impression composition, placing the radiation-curable dental impression composition in contact with dental tissue, applying radiation to the radiation-curable dental impression composition, letting the radiation-curable dental impression composition cure, removing the cured dental impression composition from the dental tissue, the radiation-curable dental impression composition comprising mercapto-functional polyorganosiloxane(s), VQM resin(s), photo-initiator(s) for initiating a curing reaction between, and optionally filler(s). The invention also relates to a cured dental impression obtained by radiation curing the radiation-curable dental impression composition, a kit of parts containing the radiation-curable dental impression composition and a dental impression tray filled with the radiation-curable dental impression composition.

Abstract: The present disclosure relates to an acid-curable composition, comprising: a) abase component comprising a cationically self-curable oligomeric compound; and b) a curing system for the cationically self-curable oligomeric compound, which comprises an ionogenic compound comprising an anion and an aminium ion as a cation. According to another aspect, the present disclosure is directed to a curing system suitable for an acid-curable composition comprising a cationically self-curable oligomeric compound. According to still another aspect, the present disclosure relates to a method of manufacturing an acid-curable composition. In yet another aspect, the disclosure relates to the use of an acid-curable composition for industrial applications, in particular for thermal management applications in the automotive industry.

Abstract: The present disclosure relates to an acid-curable composition, comprising: a) a base component comprising a cationically self-curable oligomeric compound; b) a curing system for the cationically self-curable oligomeric compound, which comprises: i. an ionogenic compound comprising an anion and ammonium as a cation; and ii. water. According to another aspect, the present disclosure is directed to a curing system suitable for an acid-curable composition comprising a cationically self-curable oligomeric compound. According to still another aspect, the present disclosure relates to a method of manufacturing an acid-curable composition. In yet another aspect, the disclosure relates to the use of an acid-curable composition for industrial applications, in particular for thermal management applications in the automotive industry.

Abstract: A method of making a dental article, has steps of (i) providing a layer of sinter powder, (ii) providing a solidifiable binder to form a circumferential fixation zone (114) which encloses a portion of the powder layer. The method further has the step of repeating steps (i) and (ii) with each fixation zone (114) of one layer being in contact with a fixation zone (114) of an adjacent layer such that a plurality of the fixation zones (114) together form a coherent hollow sleeve (116) extending across the layers. The corresponding plurality of powder portions in combination form a contiguous batch (118) of powder captured in the sleeve. The method facilitates the manufacturing of sintered dental articles.

Abstract: Thermally-conductive gap fillers are described. The gap fillers comprise an aziridino-functional polyether polymer and thermally conductive particles. Initiators suitable for such systems ae also described. Such gap fillers may be used in various applications including the manufacture of battery modules and subunits.

Abstract: The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising: a) a (co)polymeric material comprising the reaction product of a (co)polymerizable material comprising a (meth)acrylate ester monomer; and optionally, a co-monomer having an ethylenically unsaturated group and which is different from the (meth)acrylate ester monomer; b) a polyfunctional aziridine curing agent; and c) an acid generating agent. The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.

Abstract: The invention relates to a dental composition for use as a dental retraction material comprising filler(s), paste forming liquid(s) and guanidinyl-containing polymer(s). The dental composition is typically stored in a capsule with a thin nozzle enabling the delivery of the material in the sulcus of a tooth.

Abstract: Control cure thermally-conductive gap filler materials are described, as are methods of curing. Also described are curing agents and methods of making curing agents.

Abstract: Thermally-conductive gap fillers are described. The gap fillers comprise an aziridino-functional polyether polymer and thermally conductive particles. Initiators suitable for such systems e also described. Such gap fillers may be used in various applications including the manufacture of battery modules and subunits.

Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.

Abstract: The invention relates to a dental composition for use as a dental retraction material comprising filler(s), paste forming liquid(s) and guanidinyl-containing polymer(s). The dental composition is typically stored in a capsule with a thin nozzle enabling the delivery of the material in the sulcus of a tooth.

Abstract: The present disclosure is directed to a curable precursor of a pressure sensitive adhesive comprising: a) a (co)polymeric material comprising the reaction product of a (co)polymerizable material comprising a (meth)acrylate ester monomer; and optionally, a co-monomer having an ethylenically unsaturated group and which is different from the (meth)acrylate ester monomer; b) a polyfunctional aziridine curing agent; and c) an acid generating agent. The present disclosure is also directed to a method of manufacturing such pressure sensitive adhesives and uses thereof.

Abstract: The present invention relates to a hardenable dental composition comprising (A) a curable component comprising curable moieties (AC), (B) a crosslinker component as component (B) capable of crosslinking said component (A), (C) a catalyst as component (C) capable of catalyzing a crosslinking reaction of component (A) and component (B), (D) polymeric particles as filler component (D), the polymeric particles having a maximum particle size of 150 ?m or below and being composed of organic polymers, silicone elastomers or a combination or mixture thereof and preferably (E1) an inorganic filler component having a BET surface from 50 to 400 m2/g. The invention also relates to the use of a polymeric particulate filler component (D) for producing a hardenable dental composition, the hardenable dental composition being in particular useful as dental impression or dental retraction material or for dental impression or dental retraction purposes.

Abstract: A dental light irradiation device (1) which has a light emitting diode/LED (15) and a heat sink (16) for dissipating heat generated by the LED. The heat sink (16) is formed of a composition which includes a polymer and a filler. The filler provides the composition with increased thermal conductivity relative to the polymer alone. The invention helps maximizing the convenience in handling of dental light devices.

Abstract: Described are methods of making a curable fluoropolymer having repeating units derived from vinylidenfluoride (VDF) and at least one perfluorinated monomer selected from hexafluoropropene (HFP), tetrafluoroethene (TFE), a perfluorovinyl ether (PAVE), a perfluoroallylether (PAAVE) or a combination thereof. The method includes polymerizing the monomers in an aqueous medium in a radical reaction containing one or more reaction initiators, one or more chain transfer agent containing one or more halogens selected from iodine, bromine or a combination thereof and one or more non-fluorinated aliphatic polyhydroxy emulsifiers. The polymerization is carried out without adding a fluorinated emulsifier. Also provided are curable fluoropolymers obtainable by such methods and cured fluoropolymers obtainable by curing the curable fluoropolymers, and their applications.

Abstract: Described herein is multilayer article made by the process comprising: delivering particles comprising a silicon compound from at least one fluid jet to a metal surface to embed the metal surface with the silicon compound to form a silicon compound layer; coating the silicon compound layer with an aqueous fluoropolymer dispersion to form a fluoropolymer layer and thereby forming a multilayered article, wherein the aqueous fluoropolymer dispersion comprises (i) a modifying agent; and (ii) a fluorinated polymer, wherein the fluorinated polymer comprises at least one of (a) a partially fluorinated polymer capable of forming a carbon-carbon double bond, (b) a functionalized fluorinated polymer, and (c) combinations thereof; and sintering the multilayered article to form the release surface coated substrate.