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35results about How to "Improved abrasion" patented technology

Method for producing abrasive compact with improved properties

Metal carbide supported polycrystalline diamond (PCD) compacts having improved abrasion / impact resistance properties and a method for making the same under high temperature / high pressure (HT / HP) processing conditions. The PCD compact is characterized as having a mixture of submicron sized diamond particles and large sized diamond particles.
Owner:DIAMOND INNOVATIONS INC

Seasoned Ferrous Cookware

A method, and an article produced thereby, of providing a corroson-resistant, scratch-resistant, and stick-resistant, surface on a ferrous-metal-containing article, including forming microcavities in a ferrous-metal-containing article surface by ferritic nitrocarburization and seasoning the surface, including a non-stick agent deposited thereon. In preferred embodiments, the surface of the article including the exposed microcavities is oxidized before seasoning. The article includes cookware. Certain preferred embodiments include forming microcavities by ferritic nitrocarburization wherein the article is heated in an atmosphere including ammonia, nitrogen, and carbon-containing gas to a nitriding temperature of between about 800° F. and about 1300° F. for a time of about 0.5 hours to about 10 hours.
Owner:LODGE MFG CO

Laser thermal media with improved abrasion resistance

A laser ablative recording element with a support having a certain Young's modulus and having thereon an image layer comprising an image dye or pigment dispersed in a polymeric binder, the image layer having a near infrared-absorbing material associated therewith to absorb at a given wavelength of the laser used to expose the element, the image dye or pigment absorbing in the region of from about 250 to about 700 nm, the element having a compliant layer between the support and the image layer, the compliant layer having a Young's modulus lower than that of the support, and the compliant layer having a thickness of between about 2 mum and about 200 mum.
Owner:EASTMAN KODAK CO

Method of making a non-compliant balloon for a catheter

An intravascular catheter system for properly implanting a stent in a body lumen generally comprising a catheter having an elongated shaft with an inflatable balloon formed of compliant material and a stent mounted on the working length of the balloon. The balloon material is compliant within the working range of the balloon to provide substantial radial expansion. The wingless radially expansive balloon expands in a uniform manner, thereby producing uniform expansion and implantation of the stent. Another embodiment is directed to a balloon catheter, having a semi-compliant balloon or a noncompliant balloon formed at least in part of a block copolymer.
Owner:ABBOTT CARDIOVASCULAR

Rolling Guide Device

A rolling guide device 160 is provided with a track rail 161 as a track member and a movable member 163 mounted to the track rail 161 to be movable through balls 162. A solid lubricant film is formed to the ball 162 by using a closed magnetic field unbalanced magnetron spattering apparatus (CUMS apparatus). The solid lubricant film has a low friction coefficient at the outermost surface of the film, withstands an inner repeated stress, and has a high adhesion performance. Such solid lubricant film has never been from its inside or boundary portion and wears at the minimum speed from the film surface, so that a reliable and highly ideal solid lubricating function can be attained, and by applying the solid lubricant film having improved adhesion performance and abrasion resistance to the rolling guide device, there can be provided a rolling guide device usable in a specific environmental condition such as an undesirable lubricating environment, high temperature vacuum condition, or an oil-free condition.
Owner:THK CO LTD

Polyvinyl chloride or polyolefin melt processable compositions containing polytetrafluoroethylene micropowder

InactiveUS20050192389A1Low flame retardancyLow smoke generationAbsorbent padsBandagesPolyolefinPolyvinyl chloride
The use of polytetrafluoroethylene micropowders having a particle size of generally less than about 20 microns as an additive for polyvinyl chloride or polyolefin unexpectedly produces compositions which are melt processable. Other unexpected properties include that the micropowder is deformable under shear and acts as a flame retardant.
Owner:TEKNOR APEX

Articles Including High Modulus Fibrous Material

A composite sheet material including substantially randomly oriented high modulus fibrous material and a nonwoven web of thermoplastic fibrous material is disclosed. The composite sheet material can further include a substantially fluid impervious layer. The resultant composite sheet material can exhibit isotropic physical properties. The isotropic nature of the product can in turn improve the dimensional stability of the product, which can be useful for applications subject to multidirectional stresses, such as roofing membranes exposed to temperature variances.
Owner:GAMALELDIN MOHAMED WALID

Material for Curable Aqueous Overcoating Material and Coating Material Using Same

There is provided a curable aqueous overcoating composition containing 1 to 90 mass % of hydrophilic polyrotaxane with respect to the coating film forming component, where the hydrophilic polyrotaxane has a cyclic molecule, a linear molecule included in the cyclic molecule in a skewered manner and blocking groups arranged on opposite ends of the linear molecule to prevent elimination of the cyclic molecule from the linear molecule and at least one of the linear molecule and the cyclic molecule has a hydrophilic modifying group.
Owner:NISSAN MOTOR CO LTD +1

Functionalized polymers and processes for making same

ActiveUS20110172369A1Improve tensile propertiesReduction in hysteresis lossParticulatesHydrazone
A macromolecule includes at least one polymer chain with at least one functionality. The polymer can include unsaturated mer units and can be provided via anionic and pseudo-living polymerization techniques. In either technique, the functionality can include at least one 5- or 6-membered ring which includes a secondary amine group and at least one additional heteroatom; in the latter technique, the functionality can include a hydrazone radical. Such polymers can be used to provide compositions that also include particulate fillers, such compositions being useful for the production of vulcanizates.
Owner:BRIDGESTONE CORP

Optical article having a reflective coating with high abrasion-resistance

PendingUS20220066079A1Improve abrasion and scratch resistanceWithout decrease optical performance and other mechanical performanceOptical partsOptical elementsRefractive indexHigh index
Disclosed is an optical article including a substrate having at least one main face coated with a reflective coating including a stack of at least one high refractive index layer having a refractive index higher than 1.55 and at least one low refractive index layer having a refractive index of 1.55 or less, in which the thicknesses of the layers in the reflective coating have been optimized according to specific design rules in order to boost the abrasion resistance of the optical article.
Owner:ESSILOR INT CIE GEN DOPTIQUE

Coating composition

The coating agent composition comprises an emulsion containing (A) polydiorganosiloxane having a viscosity of 50 to 10,000,000 mPa·s at 25° C. and having both terminal ends blocked by hydroxyl groups, (B) polyorganohydrogensiloxane having at least three hydrogen atoms bonded to silicon atoms in one molecule, (C) a curing catalyst, and (D) chlorinated polyolefine and / or acryl-modified polyolefine, with which (E) fine spherical particles comprised of a rubber-like elastomer having hardness of less than 90 are mixed to disperse into it. The coating agent composition having good uniform applying property, non tackness, water repellency and lubricating properties and outstanding adhesiveness to a rubber or plastic substrate can be obtained.
Owner:MOMENTIVE PERFORMANCE MATERIALS JAPAN LLC

Modification of polyamides

The present invention relates to an improved modified polyamide having increased molecular weight and substantially the same or marginally increased viscosity versus shear weight as the unmodified polyamide. A method for modifying polyamides to provide these improved properties also is disclosed wherein a polyamide having an initial molecular weight is contacted with at least one organic peroxide, at least one coagent and / or one free-radical trap to form an improved polyamide having an increased molecular weight and substantially the same viscosity versus shear rate. The present disclosure also relates to polyamide compositions comprising organic peroxides and articles made from the modified polyamide.
Owner:ARKEMA INC

High performance thermoplastic hose and method for manufacturing such hose from a thermoplastic vulcanizate

A high performance thermoplastic hose useful as a power steering hose, the high performance thermoplastic hose comprising a high performance engineering thermoplastic such as polyurethane and a chlorine-containing polyolefin such as chlorinated polyethylene, chlorinated polypropylene, chlorinated copolymers containing ethylene and propylene, chlorosulfonated polyethylene, chlorosulfonated polypropylene, chlorosulfonated copolymers of ethylene and propylene or mixture thereof, is disclosed. Also disclosed are a method for manufacturing the high performance thermoplastic hose, and a thermoplastic vulcanizate capable of resisting chemical attack and withstanding temperatures up to about 300° F.
Owner:FLUID ROUTING SOLUTIONS

Method of fabricating a commutator for a motor

InactiveUS20050022367A1Reduces possibility of occurrenceImprove durability and abrasion resistanceLaminationLamination apparatusEngineeringNitrogen
A method of fabricating a commutator for a motor comprises the steps of: drawing a bar into the shape of a plate; forming plural commutator segments having a predetermined size by cutting the plate at appropriate intervals; heat-processing the commutator segments with liquefied nitrogen; inserting the heat-processed commutator segments, and setting the commutator segments in a mold in a circular pattern having a predetermined gap from one another for receiving insulating resin, and inserting a bushing in a central position of the circular pattern of commutator segments; forming an insulating resin layer in the gaps between the commutator segments by extruding or injecting an insulating resin into the mold; and finishing an inner diameter and an outer diameter of the fabricated commutator.
Owner:SAMSUNG GWANGJU ELECTRONICS CO LTD

Water-based 2-component composition with chemical curing

A two-component composition including: a) a first component A, including: an aqueous dispersion of at least one polymer P1; b) a second component B, including: at least one hydraulic binder H, and at least one functional compound P2; wherein both components A and B are liquid or pasty and both are prepared and stored separately and mixed directly before application; and with the proviso that the functional compound P2 includes functional groups that chemically react with the aqueous dispersion of the first polymer P1 to form cross-linked and / or chain-extended polymers. The composition is highly suitable cementitious adhesive, joint sealant, casting composition, or coating and shows improved mechanical properties, adhesion properties, and resistance as well as minimized plasticizer migration problems.
Owner:SIKA TECH AG

An abrasion resistant material and method of construction

An abrasion resistant material for use in the fabrication of protective garments that has at least two layers, a first layer and a second layer, wherein the first layer is the layer that is exposed to and engages with the abrasive surface, such as a road surface. The second layer comprises of substantially high tensile and burst strength so as to act as a protective layer which covers or is at least located closest to the skin of the wearer. The first layer has a plurality of abrasion resistant members dispersed throughout the first layer that act to absorb the bulk of any abrasion force and reduce the exposure and degradation of the second layer
Owner:BECON
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