Covestro LLC

Mobay Corporation

Miles Inc.

Bayer Materialscience, LLC

Bayer Corporation

Stephen J Harasin

Michael T Wellman

John E Dewhurst

David F Sounik

Kenneth R Riddle

Albert Magnotta

Timothy J Kelly

Richard R Roesler

Neil H Nodelman

John E Hayes

Jan L Clatty

Saad M Abouzahr

Michael F Hurley

Carol L Kinney

Rick V Starcher

Gregory H Slocum

Donald W Schumacher

Jan L R Clatty

Michael S Robinson

James T Garrett

Gene Symosko

William D Keller, Jr

Renee M Hunkele

Mark C Cekoric

Kenneth J Naleppa

David P Rocco

Disclosed are coated particles. The coated particles include substrate particles and a coating disposed over at least a portion of the substrate particles. The coating includes a condensation reaction product of a reaction mixture that includes a liquid isocyanate-functional component and an isocyanate-reactive composition. Also disclosed are methods for making such particles and methods for using such particles as proppants in hydraulic fracturing.

Coated particles, methods for their manufacture and for their use as proppants

Polyurethane composites to which paint will adhere without the need for an aggressive pretreatment are produced by a pultrusion process using a polyurethane-forming system that includes a polyisocyanate component containing at least one polyisocyanate and an isocyanate-reactive component containing at least one cashew oil-based polyether polyol.

Polyurethane pultrusion formulations for the production of articles with improved coating adhesion and articles produced therefrom

Clear polyurethane fiber reinforced composites are produced by a pultrusion process with a polyurethane-forming system that includes: (a) a clear, aliphatic polyisocyanate having a viscosity at 25&#xb0; C. of no more than 1000 centipoise, (b) a colorless polyol component comprising an amine-initiated polyol having a molecular weight of from about 150 to about 400 and an OH functionality greater than or equal to 3, and (c) a catalyst. These fiber-reinforced composites are characterized by both excellent weathering characteristics and excellent physical properties.

Water-clear aliphatic polyurethane pultrusion formulations and processes

Disclosed are filament winding processes that use a low viscosity polyurethane-forming composition, systems for making a composites and the composites so made.

Filament winding processes using polyurethane resins and systems for making composites

Disclosed are free-flowing particles. These free-flowing particles include: (a) a rubber particle, and (b) a coating deposited over at least a portion of the rubber particle, wherein the coating includes: (1) a polyurethane-urea resin that is a reaction product of a reaction mixture comprising: (i) a polyol having a number average molecular weight of 1800 to 12,000; (ii) an aromatic diamine; (iii) a polyisocyanate; and (iv) a catalyst for the reaction between hydroxyl groups and isocyanate groups; and (2) a solid particle anti-clumping agent. Also disclosed are methods of making and using such free-flowing particles and synthetic turf structures that include an infill of such free-flowing particles.

Free-flowing coated rubber particles, methods for their production and use

This invention relates to solid elastomers which exhibit reduced dimensional shrinkage, and to a process for the production of these elastomers. These elastomers comprise the reaction product of a polyisocyanate component or prepolymer, with an isocyanate-reactive component comprising a high molecular weight component having an EO cap having less than 17% by wt., a chain extender and optionally, a crosslinker, in the presence of at least one catalysts. These solid elastomers are produced via the reaction injection molding process in a closed mold, preferably at an isocyanate index of about 70 to about 130.

Solid polyurethane elastomers which exhibit reduced dimensional shrinkage

This invention relates to polyurethane elastomers and to a process for their production. These elastomers comprise the reaction product of a (cyclo)aliphatic isocyanate component having an NCO group content of about 20 to about 45%, with an isocyanate-reactive component comprising one or more polyether polyols which is free of amine groups, and a low molecular weight organic compound containing two hydroxyl groups and which is free of amine groups, in the presence of one or more catalysts.

Fast curing aliphatic RIM elastomers

This invention relates to a process for the production of a polyurethane elastomer by reacting a reaction mixture comprising (A) an isocyanate-reactive component having a molecular weight of 400 to 12,000, a functionality of about 2 to about 8 and being capped with 13 to 21% by weight of ethylene oxide, wherein the isocyanate-reactive groups are hydroxyl groups, amine groups or mixtures thereof; (B) an isocyanate-reactive component comprising (1) an isocyanate-reactive component containing at least two hydroxyl groups and having a molecular weight of from 62 to 399, and (2) an isocyanate-reactive component selected from the group consisting of (a) an isocyanate-reactive group containing tertiary amine polyether corresponding to a specific formula, (b) at least one organic amine compound containing at least two amine groups which are reactive with isocyanate groups; (C) potassium halide; (D) an internal mold release agent; (E) at least one catalyst, and (F) a polyisocyanate component.

IMR having synergistic effect with stabilizing system additives and catalyst package

Products having improved green strength, improved physical properties and improved thermal properties are prepared via the RIM process using a reaction mixture containing an isocyanate, a specific low molecular weight diol or triol, and a specified amine terminated material.

Production of moldings by the reaction injection molding process

The present invention is directed to the discovery that certain additives of the type described in U.S. Pat. No. 3,726,952 effectively slow down the reaction rate of certain RIM systems based upon aliphatic amine terminated polyethers.

Slower reacting rim systems based upon aliphatic amine terminated

The present invention is directed to a process for producing a molded part by reacting an organic isocyanate with an active hydrogen group-containing material in the presence of a reinforcing fiber mat in a closed mold via the RIM process. The key to the present invention resides in the use of relatively high viscosity components.

Process for the production of reinforced polyurethane moldings by the

The present invention is directed to a process for producing a molded product comprising

Process for the production of molded products using internal mold

The present invention is directed to a process for the production of optionally cellular, polyurethane elastomer moldings or optionally cellular, rigid structural polyurethanes by reacting a reaction mixture containing

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Morgan, PA, United States of America

Stephen J Harasin