Synthetic resins or natural rubbers -- part of the class 520 series inventions 06/06

20060142402 - Improved robustness wood post achoring method: A chemically untreated wood post has the end grain sealed against moisture penetration and strengthened using a combination of penetrating epoxy, polyurethane sealant, and thin stainless steel sheet end cap. A coated rebar tension rod extension is internally epoxied into the wood post. This post-anchor assembly is rigidly locked onto...

20060142403 - Pasty heat-expandable filler composition and method of sound insulation by filling closed section of car body member: An automatic injecting type paste form heat-blowing injection composition comprising a partially crosslinked rubber, an unvulcanized rubber, a crosslinking agent, a plasticizer, a thermoplastic resin, an epoxy resin and a latent curing agent thereof, and a blowing agent. This composition can be used in a injecting and soundproofing method comprising...

20060142405 - Open-cell foam of ethylene-propylene-diene rubber: Open-cell foam of ethylene-propylene-diene rubber that can convert to open-cell foams at the foaming of EPDM, rather than after the foaming of the same, and can produce low impact resiliency and improved filling capability. After 0.1-40 parts by weight of organic foaming agent, 2-40 parts by weight of inorganic foaming...

20060142404 - Process of microgel synthesis and products produced therefrom: The invention provides in one aspect a process for preparing a microgel by RAFT polymerizing in the presence of a RAFT chain transfer agent, one or more solvophobic monomers and one or more solvophilic monomers to form one or more block copolymers comprising one or more solvophobic blocks and one...

20060142406 - Multicomponent, in situ foaming system for the preparation of interpenetrating polymeric networks and its use: A multicomponent, in situ foaming system is described for the preparation of interpenetrating polymeric networks (IPN) of foamed polyurethane and at least one further polymer for in situ construction purposes with a polyisocyanate component (A) and a polyol component (B) for forming the polyurethane, and further components (C) and (D)...

20060142407 - Rigid polyurethane foams, a process for their production and their use: Predominantly open-cell, cold-formable, compressed rigid polyurethane foams are produced from an isocyanate component satisfying specified criteria and an isocyanate-reactive component composed of at least 5 polyhydroxyl compounds satisfying specified criteria. These foams are produced by a double conveyor belt process. The foams of the present invention are particularly useful for...

20060135633 - Porous low-dielectric constant (k) thin film with controlled solvent diffusion: A porous low-dielectric constant thin film with controlled solvent diffusion into pores of the porous thin film. The porous thin film i s formed from a composition including a porogen containing at least one π-π interacting functional group, a thermostable matrix precursor, and a solvent dissolving the porogen and the...

20060135634 - Low amine emission polyurethane foam: It is found that a polyurethane foam having significantly reduced or negligible amine emissions can be obtained by reacting a polyol with a polyisocyanate in the presence of a blowing agent being a carbamate, obtained from contacting carbon dioxide with an amine or alkanolamine, and further in the presence of...

20060135635 - Foamable sealant composition: A foamable sealant composition having a density, when foamed, of from 0.4 to 1.8 g/cc, and containing a latex binder, foam-generating composition, foam stabilizer, rheology modifier and water, is provided. Also provided is a method of sealing a vehicle using the foamable sealant composition....

20060135636 - Isocyanate-based polymer foams with nano-scale materials: Isocyante-based polymer foams containing functionalized nano-scale materials in which the functional groups are OH, NH2, COOH or NCO groups. The incorporation of such functionalized nano-scale materials into the isocyanate-based polymer foams provides foams with improved properties such as insulation values, mechanical properties and flame retardancy performance properties, including but not...

20060135637 - Phthalic anhydride based polyester-ether polyols and double metal cyanide catalyst system for preparing same: Disclosed are polyester-ether polyols and their use in foams, in particular rigid or flexible foams. Methods for producing such polyester-ether polyols using potassium hydroxide or double metal cyanide catalysts are disclosed, along with methods for producing urethane prepolymers. The polyester-ether polyols of the instant invention are preferably the reaction product...

20060128819 - Process for the production of polyarylene sulfide resins: The present invention is a process for the production of polyarylene sulfide based resin, wherein in washing a polyarylene sulfide based resin with a mixed solvent of an aprotic organic solvent and water in a softened or molten state, the polyarylene sulfide based resin partially dissolved in the washing liquid...

20060128820 - Process and installation for the production of foam in a continuous foaming process: The invention relates to an installation and to a process for the production of foam in a continuous foaming process with the following steps, measuring actual surface temperatures of the foam or the facing layers along a conveying direction and determining a control variable for the foaming process as a...

20060128821 - Preparation of polymeric foams using hydrofluoroether nucleating agents: Use of high boiling hydrofluoroethers as nucleating agents in the production of a polymeric foam, in particular in the production of polyurethane foams and phenolic foams. Also, blowing agent compositions and foamable compositions comprising one or more high boiling hydrofluoroether nucleating agents and foams made using such blowing agent compositions...

20060116431 - Catalytic devulcanization of rubber: The present invention relates generally to the devulcanization of rubber. More specifically, the present invention relates to a process for the hydro-devulcanization of vulcanized rubber utilizing a rubber swelling solvent, a source of reactive hydrogen and elevated temperature and, optimally, also uses a dispersed molecular-scale hydrogenation catalyst that is introduced...

20060116432 - Blends of alkyl substituted triaryl phosphate esters with phosphorus-containing flame retardants for polyurethane foams: Flame retardant flexible polyurethane foam compositions, methods of flame retarding flexible polyurethane foam compositions, articles made therefrom and flame retardants that comprise blends of (alkyl substituted) triaryl phosphate ester and phosphorus-containing flame retardant having at least about 5 wt. % phosphorus additives. The combined weight of the (alkyl substituted) triaryl...

20060116433 - Polyolefin-based aerogels: The present invention relates to cross-linked polyolefin aerogels in simple and fiber-reinforced composite form. Of particular interest are polybutadiene aerogels. Especially aerogels derived from polybutadienes functionalized with anhydrides, amines, hydroxyls, thiols, epoxies, isocyanates or combinations thereof....

20060116434 - Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads: A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body. Each of the expanded beads has been surface-modified with an organic peroxide....

20060116435 - High strength polyurethane foam: A low density polyurethane foam is provided with improved strength characteristic, prepared by a process comprising reacting, under foam forming conditions, a polyester polyol having a number average molecular weight of about 1000 and about 4000, an organic polyisocyanate, a blowing agent, and at least one catalyst....