Synthetic resins or natural rubbers -- part of the class 520 series inventions 02/06

20060035987 - Hydrophilic side-chain polymer, electrolyte membranes: Exemplary methods for the characterization of proton dissociation and transport for hydrophilic components of hydrated Polymer Electrolyte Membranes (PEM's) is described. Disclosed features and specifications may be variously implemented, controlled, adapted or otherwise optionally modified to improve differential hydrophilicity of the sidechain of any ionomeric PEM material. A representative embodiment...

20060035988 - Injection molding of polymeric material: Injection molding systems and methods useful for making microcellular foamed materials are provided as well as microcellular articles. Pressure drop rate and shear rate are important features in some embodiments, and the invention provides systems for controlling these parameters in an injection molding system. Another aspect involves an injection molding...

20060035989 - Composition for flame-retardant flexible polyurethane foam: The present invention provides a composition for a flame-retardant flexible polyurethane foam comprising:(A) 100 parts by weight of a polyol component containing a polyether polyol having at least 2 hydroxyl groups and a number average molecular weight of 2,000 to 5,000; (B) 3 to 50 parts by weight of a...

20060035990 - Cure rebond binder: The present invention provides processes for producing re-bonded polyurethane foam constructs that are useful in applications such as carpet underlayments. According to the invention, a tertiary amine is employed as a catalyst either alone, or preferably in combination with other catalysts in a binder which comprises an organic isocyanate and...

20060035991 - Multi-layer golf ball with a foamed intermediate layer: A golf ball with relatively rigid inner core and soft intermediate layer is disclosed. The rigid inner core maintains the balls' high coefficient of restitution at high impact speeds, while the soft intermediate layer provides better feel for greenside play. The intermediate layer can be made from a highly neutralized...

20060035992 - Derivatisation of polymethacrylimides with a high molecular weight: The invention relates to processes for preparing derivatized and partially derivatized polymethacrylimides. The properties of the material can be adjusted by appropriate selection of the derivatization, in terms of number and type....

20060035993 - Method for preparing a foamable composition and foamed material made from the foamable composition: A method for preparing a foamable composition includes the steps of: (a) mixing a first portion of polymer particles with a foaming component to obtain a foaming pre-mixture; (b) mixing a second portion of the polymer particles with a crosslinking component to obtain a crosslinking pre-mixture; and (c) mixing the...

20060035994 - Method for preparing phthalate polyester polyol-based dimensionally stable spray polyurethane foam: The invention relates to methods and compositions for preparing all water blown spray polyurethane foams by reacting a polyisocyanate with a polyol blend. The polyol methods and compositions of the invention comprises a polyol component, water, a cell opening agent, and a diluent. Polyurethane foams prepared according to the invention...

20060030631 - Laser markable polymers: A polymer composition that is suitable for marking by laser radiation. The composition comprises a foaming agent that is present in a quantity that is not sufficient to induce bulk foamability in the polymer, but enhances the contrast available in the marking process compared to compositions that do not comprise...

20060030632 - Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam: A soft, flexible, low-density, open-cell, thermoplastic, absorbent foam formed from a foam polymer formula including a balanced amount of a plasticizing agent and a surfactant in combination with a base resin. Thermoplastic elastomers can be added to the foam polymer formula to improve softness, flexibility, elasticity, and resiliency of the...

20060030630 - System, method and composition for forming composite sprayed polyurethane skins having an expanded polyurethane layer: The present invention relates to a method and system for making a composite polyurethane skin, said method comprises providing a source of liquid polyol, providing a source of liquid isocyanate, providing a source of liquid blowing agent, providing a spray mold tool having a mold surface, providing a spraying device...

20060030633 - Reactivity drift and catalyst degradation in polyurethane foam: The invention is directed to methods of preparing compositions used to manufacture polyurethane foams. The invention provides methods for making compositions used to make polyurethane foams that include amine catalysts, but formulated such that catalytic potency is not diminished over time before the forming of a foam....

20060025488 - Composition and process for forming a flexible polyurethane foam sealing device: The subject invention provides a composition and a process for forming a flexible polyurethane foam sealing device having improved compression set properties at increased temperatures. The sealing device is formed without the use of chemical blowing agents. The composition includes an isocyanate component for reaction with a resin component comprising...

20060025490 - Nonflammable foam body and method of manufacturing the foam body: A resin composition containing thermoplastic resin and a flame retardant is sufficiently kneaded and molded, and carbon dioxide in a supercritical state is caused to permeate into the resin composition. Subsequently, the resin composition is degassed by cooling and/or pressure reduction. As a result of degassing, a resin foam body...

20060025489 - Process for producing flexible polyurethane foam: A flexible polyurethane foam is produced by blending a polyurethane raw material containing a polyol, a polyisocyanate, a blowing agent, and a catalyst with an inorganic compound hydrate having a specific gravity of 1.5 to 4.0 and reacting the above polyurethane raw material to effect foaming and curing. The inorganic...

20060025487 - Sound-absorbing and soundproofing polyurethane composition: Polyurethane foam composition that, owing to particular reagents for forming the s polyurethane foam itself and specific amounts of micronised inert fillers, such as fibreglass, silica, inorganic carbonates and textile fibres is able to achieve good sound-absorbing and soundproofing mechanical properties....

20060025493 - Low density polyurethane foam, method of producing, and articles comprising the same: A method for producing a cured, low-density polyurethane foam, the method comprises frothing a reactive polyurethane-forming composition comprising an isocyanate-containing component, an active hydrogen-containing component reactive with the isocyanate-containing component, a blowing agent, a surfactant, and catalyst system, wherein the catalyst system provides for a delayed curing of the foam;...

20060025491 - Low viscosity polymer polyols: The present invention relates to low viscosity polymer polyols and to a process for the preparation of these low viscosity polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer, and (C) at least one ethylenically unsaturated monomer, in the presence...

20060025492 - Polymer polyols with ultra-high solids contents: The present invention relates to ultra-high solids content polymer polyols which have good filterability while maintaining a reasonable viscosity, and to a process for the preparation of these ultra-high solids contents polymer polyols. These polymer polyols comprise the free-radical polymerization product of (A) a base polyol, (B) a pre-formed stabilizer,...