Owens Corning Fiberglas Technology, Inc.

Owens-Corning Fiberglas Corporation

Ocv Intellectual Capital, LLC

Union Carbide Chemicals & Plastics Technology Corporation

Owens-Corning Fiberglass Technology, Inc.

Ocv Intellectual Captial, LLC

Leonard Joseph Adzima

Martin C Flautt

Homer G Hill

Robert A Schweizer

Michael A Strait

William G Hager

Douglas Brian Mann

David George Miller

Timothy W Ramey

Stephen Seng

Robert C Brannon

Eric Raymond Pohl

Scott William Schweiger

Frederick D Osterholtz

Andrew B Woodside

John R Green

Willy H Piret

Paul R Krumlauf

Frederick H Ponn, Iii

George W Ritter, Ii

Nadia Masson

David L Shipp

Thomas O Matteson

Terry L Cheney

Kevin Guigley

Fred G Krautz

Timothy A Miller

Donald Burton Sage, Jr

Jean-Marc Henrion

Stephanie Ann Rinne

James Laurence Thomason

David D Hokens

Marc Cossement

Glenn R Magrum

Jaime A Gomez

Joshua B Sweeney

Denny E Black

Catherine Ashley Barron

Jeffrey L Antle

David E Musick

Arthur Eloy Lopez

Jeff L Antle

David J Wamer

Teresa Wagner

The general inventive concepts relate generally to carbon enhanced reinforcement (CER) fibers, and more particularly, to the controlled dispersion of CER fibers within aqueous or non-aqueous media. The general inventive concepts particularly relate to the controlled dispersion of CER fibers within aqueous or non-aqueous media for forming a nonwoven chopped CER fiber mat. The general inventive concepts also relate to the controlled dispersion of CNSs harvested from CER fibers within aqueous or non-aqueous media for forming a nonwoven CNS mat. Methods for dispersing the CNSs or the CER fibers in aqueous or non-aqueous media are also provided.

Dispersion of carbon enhanced reinforcement fibers in aqueous or non-aqueous media

A powder coated roving material for making structural parts is provided. The powder coated roving includes a bundle of fibers at least substantially coated with a powder coating material. The bundle is formed of a plurality of inner fibers and a plurality of outer fibers surrounding the inner fibers. The size composition maintains the fibers in a bundled orientation during processing and releases the fibers during molding. The size composition includes an epoxy resin emulsion containing at least one surfactant and a solid epoxy resin having an epoxy equivalent weight from about 450 to about 950, at least one epoxy silane coupling agent, at least one non-ionic lubricant, at least one cationic lubricant, and at least one organic acid. In addition, the size composition may have an acetone solubility from about 30% to about 75%. A method of making a composite roving is also provided.

Powder coated roving for making structural composites

A polymer composite multiend roving material used to make structural composite parts includes a bundle of fibers held together by a high integrity sizing composition and surrounded by a powder coating polymer material. The powder coating material is approximately 10-80% of the dry weight of the multiend composite roving weight. The multiend composite roving material may then be easily processed further to form a molded composite part having good mechanical properties and high fiber content.

Powder coated roving for making structural composite

A sizing composition containing an epoxy resin emulsion, one or more coupling agents, a cationic lubricant, and an acid. The epoxy resin emulsion includes a low molecular weight epoxy and one or more surfactants. The epoxy resin has an epoxy equivalent weight of from 175-225, preferably from 175-190. Optionally, the sizing composition may also contain a non-ionic lubricant, a polyurethane film former, and/or an antistatic agent. The sizing composition may be used to size glass fibers used in filament winding applications to form reinforced composite articles with improved mechanical properties, wet tensile properties, improved resistance to cracking, and improved processing characteristics.

Epoxy sizing composition for filament winding

A method for making moldable material comprises the initial step of providing a composite material comprised in part of an epoxy. A high performance strand is then distributed in the composite material to form a moldable material. Lastly, the moldable material is heated sufficiently to cause the composite material and the high performance strand to stick at least slightly together without melting the epoxy.

Method for making a charge of moldable material

A method of co-texturizing glass fibers and thermoplastic fibers comprises passing a glass fiber strand through a texturizing gun, simultaneously passing a thermoplastic fiber strand through the texturizing gun with the glass fiber strand and injecting pressurized air into the texturizing gun concurrently with the glass fiber strand and thermoplastic fiber strands. This method produces a co-texturized fiber material comprising between 20-85% by weight glass fiber and 15-80% by weight thermoplastic fiber having an overall density of from about 20 grams/liter to about 200 grams/liter, and preferably from about 20 grams/liter to less than about 30 grams/liter.

Co-texturization of glass fibers and thermoplastic fibers

A process and apparatus for making densified glass fiber pellets substantially encapsulated in a polymeric shell from chopped segments of multi-filament glass strand is described. The densified pellets may be advantageously produced by hydrating chopped glass strands and then pelletizing them by tumbling in a rotary drum, densifying the resulting pellets by tumbling in a rotating zig-zag or undulating tube, drying the pellets and encapsulating them in a polymeric composition. The resulting pellets exhibit enhanced degradation resistance during bulk storage and handling.

System for preparing polymer encapsulated glass fiber pellets

The present invention relates to pellets comprising fibers impregnated with resin. The pellets incorporate a mixed lubricant sizing composition comprising at least one cationic lubricant and at least one non-ionic lubricant. These pellets may be consolidated to form fiber reinforced resin composites.

Mixed lubricant sizing

A nonaqueous sizing for glass fibers useful for reinforcement of polymers. The sizing composition comprises one or more film formers miscible with the polymer to be reinforced, one or more coupling agents and one or more powders. The sizing composition of the invention provides a glass fiber which has improved processability and notched izod without any loss in dispersability characteristics of the glass pellets.

Nonaqueous sizing system for glass fibers and injection moldable polymers

A two-part sizing system for making colorless, densified fiber pellets of a reinforcing fiber material. The densified product may be advantageously produced by first applying a precursor size composition to reinforcing fiber strands, chopping the reinforcing fiber strands into chopped strand segments, applying a binder size, and densifying the chopped strand segments to form densified fiber pellets. The binder size is formulated using a copolymer of maleic anhydride which generates a product free from discoloration. In the process of making the pellets, the sized chopped strands are densified by tumbling in a rotating chamber for a period of time sufficient to increase their density but insufficient to degrade the fibers to a point where composite articles formed from such pellets have lower tensile or impact strengths than comparable composite articles formed from unpelletized strand segments.

System for preparing glass fiber pellets having low discoloration

An aqueous glass fiber sizing composition comprising at least one diol-organosilane coupling agent and at least one triol-organosilane coupling agent.

Coupling-agent system for composite fibers

A nonaqueous sizing for glass fibers useful for reinforcement of polymers. The sizing composition comprises one or more film formers miscible with the polymer to be reinforced and one or more coupling agents. The sizing composition of the invention provides a glass fiber which may be wirecoated with the polymer to be reinforced, eliminating the need for extrusion or pultrusion processing to make glass/polymer composite fibers, compound or pellets.

Energy efficient apparatus for forming migration free glass fiber packages composed of fibers bearing substantially uniform coatings of size composition. Heated air from around the fiber forming bushing is drawn into a chamber through which the glass fibers pass to cause the water or solvent in the applied size to be evaporated. The flow of heated air through the chamber is regulated so as to obtain substantially uniform size application to the fibers.

Apparatus for forming migration free glass fiber packages

An apparatus is provided for producing a glass fiber package. The apparatus includes a heated bushing for supplying streams of molten glass to be drawn into continuous fibers, a rotatable member adapted to draw the streams into fibers and to wind the fibers into a package, an applicator for applying a size to the fibers, and a drying device including a heated element maintained at a temperature of between about 1000.degree. F. and 1500.degree. F. for contacting and transferring energy in the form of heat to the sized fibers to dry the fibers before they are wound into the package. The heating member is stationary while contacting the sized fibers.

Method and apparatus for forming continuous glass fibers

Growing community of inventors

Pickerington, OH, United States of America

Leonard Joseph Adzima