Cytec Technology Corporation

Sterling Chemicals, International, Inc.

American Cyanamid Company

Robert E Evans

Stanley S Kaminski

Peter V Avotins

Arutun Maranci

Michael P O'Toole

Kevin R Hirschbuehler

Leigh T Doxsee

Dry processed friction materials are disclosed wherein the components thereof include dry blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.

Friction materials containing blends of organic fibrous and particulate

Wet processed friction materials are disclosed wherein the components thereof include blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.

A method for making a dry blend for use in the preparation of a friction material, a dry blend per se and dry friction materials is disclosed wherein the components thereof include a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.

A method for producing wet processed friction materials are disclosed wherein the components thereof include blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.

Method for manufacturing friction materials containing blends of organic

Process for the preparation of friction materials containing blends of

Improved asbestos-free fiber reinforced material for use in the manufacture of gaskets, and the like, comprises (a) an elastomeric binder material and (b) a blend of fibrillated, organic, synthetic polymer, organic synthetic polymer staple and organic synthetic, soluble polymer particles so as to enhance the strength of the gaskets, shock mountings, timing belts, sealants, and the like, made from such materials.

Asbestos-free gaskets and the like containing blends of organic fibrous

Process for producing agglomerates, e.g., by pelletizing a particulate inorganic material for example an ore material, characterized by the addition to the agglomerated material of an organic fibrous material, especially a polyacrylonitrile fiber material, to bind and thereby enhance the properties of the agglomerates and recovery of metal values therefrom.

Fiber bonded agglomerated ore materials

Crimped acrylic fibers with a small diameter, a minimum aspect ratio in the 20-50 range, and having a crimp of greater than about 10% so as to enhance the viscosity of polymers, resistance to gravity-induced slumping when applied to vertical surfaces, and mix stability, as well as provide matrix reinforcement and toughness, are adapted to act as improved physical thixotropes in adhesives, sealants, coatings, paints, grouts, building materials and the like.

Crimped acrylic fibers having improved thixotropic performance

Process for producing agglomerates, e.g., by pelletizing a particulate inorganic material, for example, an ore material, characterized by the addition to the agglomerated material of an organic fibrous material, especially a polyacrylonitrile fiber material, to bind and thereby enhance the properties of the agglomerates and recovery of metal values therefrom.

Process for producing fiber bonded agglomerated ore materials

Improved asbestos-free fiber reinforced material for use in the manufacture of gaskets, and the like, comprises (a) an elastomeric binder material and (b) microdenier acrylic fibers with a small diameter of up to about 12 microns, and a minimum aspect ratio in the 20-50 range so as to enhance the flexibility and the strength of the gaskets, shock mountings, timing belts, sealants, and the like, made from such materials.

Asbestos-free microdenier acrylic fiber reinforced material for gaskets

The addition of fibrillated acrylic fiber to non-asbestos type friction material compositions provides marked improvement in the flexural strength, stiffness and structural integrity of preforms used in the manufacture of friction elements. The consequent handling characteristics of the preform provide improvement in the manufacturing of the friction element.

Acrylic containing friction materials

High-performance fiber resin matrix composites are disclosed which are comprised of a first layer comprising reinforcing filaments coated with a thermosetting resin composition and a discrete second layer of a thermoplastic resin. When the composite layers are matched to provide certain minimum strength and elongation properties, composites of unusually high impact strength and resistance to impact damage are achieved which retain their high performance properties over a range of temperatures and environmental exposures.

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Huntington, CT, United States of America

Robert E Evans