Abstract:
An insulation system of a building having a plurality of spaced-apart support members has an insulator with a plurality of ribs are formed thereon. A concave portion of each rib receives one of the support members. A panel covers, and is secured to the support members. An exterior covering element is secured to an exterior side of the panel. A radiant heat barrier is bonded between the insulator and the panel. The insulator defines air ventilation channels between the foam insulator and the panel for venting air from building. An insulator assembly for a building has a sheet of foam insulation with a plurality of channels intermittently formed in the sheet of insulation. Each channel has a concave side and a convex side. The concave side is adapted to receive a support member of the building. A radiant heat barrier is bonded to a surface of the foam insulation.
Abstract:
A method for the in-situ preparation of an ionic comonomer, such as zinc dimethacrylate, dissolved in styrene monomer, for use in production of polystyrene is disclosed. The method generally includes adding comonomer chemical precursors to a solution of styrene and nonionic surfactant. The resulting ionic comonomer may be further dissolved in styrene and polymerized to form a product that may have improved properties.
Abstract:
A method for the in-situ preparation of an ionic comonomer, such as zinc dimethacrylate, dissolved in styrene monomer, for use in production of polystyrene is disclosed. The method generally includes adding comonomer chemical precursors to a solution of styrene and nonionic surfactant. The resulting ionic comonomer may be further dissolved in styrene and polymerized to form a product that may have improved properties.
Abstract:
A styrene copolymer composition comprising at least one alkyl acrylate and/or at least one alkyl methacrylate wherein the styrene copolymer composition has a bimodal molecular weight distribution. A method of producing a styrene copolymer comprising reacting styrene and at least one alkyl acrylate and/or at least one alkyl methacrylate, wherein the alkyl acrylate comprises an alkyl group having from 8 to 12 carbon atoms and the alkyl methacrylate comprises an alkyl group having equal to or greater than 10 carbon atoms. A method of increasing the molecular weight distribution in a styrene copolymer comprising incorporating at least one alkyl acrylate and/or at least one alkyl methacrylate wherein the styrene copolymer has a polydispersity index equal to or greater than 3.
Abstract:
Disclosed are high impact polystyrenes prepared using mixed initiators. The mixed initiators include at least one grafting initiator and one non-grafting initiator. The high impact polystyrenes prepared therewith have a continuous polystyrene phase and dispersed therein particles of rubber predominantly having a honeycomb structure of rubber with polystyrene inclusions.
Abstract:
The present invention discloses a process for manufacturing monovinylaromatic compounds containing an elastomer to provide increased toughness and strength. One particular embodiment of the invention discloses a process for manufacturing high impact polystyrene wherein styrene monomer containing a dissolved polybutadiene rubber is flowed into an elongated upflow stirred reactor containing three reaction zones, wherein the styrene and rubber are polymerized past the inversion point, then discharged to at least one additional reactor to continue their conversion to polymer.
Abstract:
A method comprising irradiating a donor molecule with light to form an activated donor molecule, contacting the activated donor molecule with an acceptor molecule to form an activated acceptor molecule, and contacting the activated acceptor molecule with a substrate to generate an oxidized substrate, wherein the donor molecule is in the solid phase and the activated acceptor molecule is in the gas phase.
Abstract:
A method of preparing a high impact polystyrene comprising contacting styrene monomer, a high cis polybutadiene elastomer, and an initiator under high shear within a reaction zone. A high-impact polystyrene comprising a high cis polybutadiene elastomer. A method of preparing a high impact polystyrene comprising contacting styrene monomer, a high cis polybutadiene elastomer, and an initiator under extreme reaction conditions within a reaction zone.
Abstract:
An insulation system of a building having a plurality of spaced-apart support members has a insulator with a plurality of ribs are formed thereon. A concave portion of each rib receives one of the support members. A panel covers and is secured to the support members. An exterior covering element is secured to an exterior side of the panel. A radiant heat barrier is bonded between the insulator and the panel. The insulator defines air ventilation channels between the foam insulator and the panel for venting air from building. An insulator assembly for a building has a sheet of foam insulation with a plurality of channels intermittently formed in the sheet of insulation. Each channel has a concave side and a convex side. The concave side is adapted to receive a support member of the building. A radiant heat barrier is bonded to a surface of the foam insulation.
Abstract:
A method of preparing a high impact polystyrene comprising contacting styrene monomer, a high cis polybutadiene elastomer, and an initiator under high shear within a reaction zone. A high-impact polystyrene comprising a high cis polybutadiene elastomer. A method of preparing a high impact polystyrene comprising contacting styrene monomer, a high cis polybutadiene elastomer, and an initiator under extreme reaction conditions within a reaction zone.