WO2008140929A1 - Brosse et filament abrasifs - Google Patents

Brosse et filament abrasifs Download PDF

Info

Publication number
WO2008140929A1
WO2008140929A1 PCT/US2008/061852 US2008061852W WO2008140929A1 WO 2008140929 A1 WO2008140929 A1 WO 2008140929A1 US 2008061852 W US2008061852 W US 2008061852W WO 2008140929 A1 WO2008140929 A1 WO 2008140929A1
Authority
WO
WIPO (PCT)
Prior art keywords
abrasive
brush
percent
filaments
substrate
Prior art date
Application number
PCT/US2008/061852
Other languages
English (en)
Inventor
Yeun-Jong Chou
Dean S. Holmes
Original Assignee
3M Innovative Properties Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Company filed Critical 3M Innovative Properties Company
Priority to EP08780575.0A priority Critical patent/EP2150149B1/fr
Publication of WO2008140929A1 publication Critical patent/WO2008140929A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A46B13/003—Cylindrical or annular brush bodies made up of a series of annular brush rings; Annular brush rings therefor
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D13/00—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/10—Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
    • B24D3/28—Resins or natural or synthetic macromolecular compounds
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/3093—Brush with abrasive properties, e.g. wire bristles

Definitions

  • FIG. 3a illustrates cut, wear, and efficiency data from testing of various polyamide abrasive brushes on a perforated steel plate
  • the term “interspersed” means that the abrasive particles are embedded within and located throughout the thermoplastic material that forms the filament.
  • “interspersed” means that the abrasive particles are embedded within and located throughout the thermoplastic matrix that forms the core or sheath, or both, as appropriate.
  • the particles are interspersed so as to create a substantially homogenous distribution, though not necessarily an absolutely homogenous distribution.
  • the majority of the particles are wholly embedded within the thermoplastic matrix, there may be some exposed particles at the surface that extend partially outside of the thermoplastic matrix.
  • the eutectic alumina zirconia particles include from about 40 to 43 percent by weight of zirconia. In an embodiment, the eutectic alumina zirconia particles include from about 41 to 42 percent by weight of zirconia. In an embodiment, the eutectic alumina zirconia particles include about 41.5 percent by weight of zirconia.
  • the abrasive filament include from about 10 to 90 percent by weight of thermoplastic matrix, such as polyamide or thermoplastic elastomer. In an embodiment, the abrasive filament includes from about 50 to 80 percent by weight of thermoplastic matrix, such as polyamide or thermoplastic elastomer. In an embodiment, the abrasive filament includes from about 55 to 75 percent by weight of thermoplastic matrix, such as polyamide or thermoplastic elastomer. In an embodiment, the abrasive filament includes from about 10 to 90 percent by weight of abrasive particles, such as eutectic alumina zirconia particles.
  • Additives may also be added to the abrasive filaments during manufacture. Additives such as lubricants, soaps, antioxidants, UV stabilizers, dye, pigments, wetting agents, surfactants, plasticizers, anti-static agents, anti-rust agents, and other liquid materials may be added to the filaments.
  • Additives such as lubricants, soaps, antioxidants, UV stabilizers, dye, pigments, wetting agents, surfactants, plasticizers, anti-static agents, anti-rust agents, and other liquid materials may be added to the filaments.
  • One method of incorporating these types of materials into the thermoplastic matrix is to encapsulate the liquid materials into a shell that is able to withstand the extrusion temperatures. Such methods are generally well known in the art. The amounts of these materials would generally be selected to provide desired properties as would be known to those of skill in the art.
  • Inorganic based particulate fillers can also be incorporated along with the abrasive particles.
  • useful fillers include but are not limited to metal carbonates (such as calcium carbonate (chalk, calcite, marl, travertine, marble and limestone), calcium magnesium carbonate, sodium carbonate, magnesium carbonate), silica (such as quartz, glass beads, glass bubbles and glass fibers), silicates (such as talc, clays (montmorillonite), feldspar, mica, calcium silicate, calcium metasilicate, sodium aluminosilicate, sodium silicate), metal sulfates (such as calcium sulfate, barium sulfate, sodium sulfate, aluminum sodium sulfate, aluminum sulfate), gypsum, vermiculite, wood flour, aluminum trihydrate, carbon black, metal oxides (such as calcium oxide (lime), aluminum oxide, titanium dioxide), and metal sulfites (such as calcium sulfite).
  • metal carbonates such
  • antistatic agents include, but are not limited to, graphite, carbon black, vanadium oxide, humectants, and the like.
  • the filaments will be nearly perpendicular to the binder layer, in other applications such as conveyor systems, the filaments will be placed at a specified angle or a specified tilt.
  • a bristle having abrasive particles with materials encapsulated therein are included.
  • encapsulated materials can include soaps, lubricants, anti-rust agents, and anti-static agents.
  • phosphoric acid (or a similar material) can be added to a bristle comprising abrasive particles.
  • a brush made with such bristles would be useful in the removal and/or neutralization of surface rust on articles such as, for example, automobiles, benches, and swingsets.
  • the molded brush segments can be generally circular, with the bristles extending radially outward in the plane defined by the securing element 212.
  • a plurality of brush segments can be combined to form a brush.
  • FIG. 1 illustrates the brush segment 210 in contact with a workpiece 100 at the contact region 102.
  • the securing element includes a cylindrical hub.
  • the abrasive filaments are bonded to the cylindrical hub.
  • One of skill in the art would know, having read this specification, how to manufacture such an abrasive brush.
  • the workpiece can be any type of material such as metal, metal alloys, exotic metal alloys, ceramics, glass, wood, wood like materials, composites, painted surface, plastics, reinforced plastic, stones, and combinations thereof.
  • the workpiece may also contain an unwanted layer or coating external over the workpiece surface. This coating may be for example paint, dirt, debris, oil, oxide coating, rust, adhesive, gasket material and the like.
  • the workpiece may be flat or may have a shape or contour associated with it.
  • the workpiece is aluminum. In one embodiment, the workpiece has at least one burr. A workpiece that includes at least one burr can generally be a perforated piece. In one embodiment, the workpiece is carbon steel.
  • the brush as disclosed herein can be used by hand or used in combination with a machine to refine a surface by: cleaning a workpiece surface, including removing paint or other coatings, gasket material, corrosion, or other foreign material. At least one or both of the brush and the workpiece can be moved relative to the other.
  • the abrasive article or brush can be converted into a belt, tape rolls, disc, sheet, and the like.
  • brush discs can be secured to a back-up pad by an attachment means. These brush discs can rotate between about 100 to 30,000 revolutions per minute, typically between about 500 to 20,000 revolutions per minute.
  • An abrasive brush as disclosed herein can be used to deburr a substrate.
  • Methods of deburring a substrate generally include contacting the substrate with at least one bristle of an abrasive brush as described herein in a contact region; and inducing relative motion between the substrate and the at least one bristle.
  • a method of deburring can also optionally include applying a lubricant adjacent the contact region.
  • An abrasive brush as disclosed herein can also be used to refine a surface of a substrate.
  • Methods of refining the surface of a substrate generally include contacting the substrate with at least one bristle of an abrasive brush as described herein in a contact region; and inducing relative motion between the substrate and the at least one bristle, wherein the efficiency exceeds about 1.0.
  • the amount of the brush that is worn can be calculated by taking the difference in the brush weight before and after the substrate is worked upon.
  • a brush efficiency or an efficiency of a method of abrading a substrate, or refining a surface of a substrate can have an efficiency that is at least about 1 or greater. Greater magnitudes of brush efficiency imply better brush performance.
  • a method of deburring a substrate having at least one burr, with a brush, the brush comprising bristles comprising eutectic alumina zirconia particles and a matrix of thermoplastic polymer wherein the method comprises the steps of: contacting the substrate with at least one bristle of the brush in a contact region; and inducing relative motion between the substrate and the at least one bristle.
  • the eutectic alumina zirconia particles comprise from about 50 to 60 percent by weight of alumina.
  • a method of refining the surface of a substrate with a brush comprising bristles comprising eutectic alumina zirconia particles and a matrix of thermoplastic polymer, wherein the method comprises the steps of: contacting the substrate with at least one bristle of the brush in a contact region; and inducing relative motion between the substrate and the at least one bristle, wherein the efficiency is at least about 1.0.
  • the abrasive filament comprises about 10 percent to about 90 percent by weight of thermoplastic polymer; and about 10 percent to about 90 percent by weight of eutectic alumina zirconia particles. Also disclosed herein is the method discussed in the preceding paragraph, wherein the abrasive filament comprises about 50 percent to about 80 percent by weight of thermoplastic polymer; and about 20 percent to about 50 percent by weight of eutectic alumina zirconia particles. Also disclosed herein is the method discussed in the preceding paragraph, wherein the securing element comprises a cylindrical hub, and wherein said filaments are bonded to said hub.
  • an abrasive brush comprising: a plurality of abrasive filaments, said filaments comprising a matrix of thermoplastic polymer and a plurality of eutectic alumina zirconia particles interspersed throughout at least a portion of said matrix; and a securing element that functions to secure the plurality of abrasive filaments to form a brush, wherein the abrading efficiency on a workpiece is at least about 1.0.
  • abrasive brush discussed in the preceding paragraph wherein said abrasive filament comprises about 10 percent to about 90 percent by weight of thermoplastic polymer; and about 10 percent to about 90 percent by weight of eutectic alumina zirconia particles. Also disclosed herein is the abrasive brush discussed in the preceding paragraph, wherein said abrasive filament comprises about 50 percent to about 80 percent by weight of thermoplastic polymer; and about 20 percent to about 50 percent by weight of eutectic alumina zirconia particles. Also disclosed herein is the abrasive brush discussed in the preceding paragraph, comprising a plurality of abrasive filaments as discussed above.
  • abrasive brush discussed in the preceding paragraph further comprising a securing element that functions to secure the plurality of abrasive filaments to form a brush.
  • said securing element comprises a cylindrical hub, and wherein said abrasive filaments are bonded to said hub.
  • Abrasive filled filaments were made using a Werner-Pfleider twin screw extruder.
  • the filaments were nominally 0.71 mm (0.028 inch) diameter and used polyamide ("ZYTEL 158 NCOlO" nylon 6,12 resin (E.I. DuPont de Nemours & Co., Wilmington, DE) or a compound of thermoplastic elastomer "HYTREL 6356 polyester TPE resin (E.I. DuPont de Nemours & Co., Wilmington, DE) and lubricant "MB50-010" (MultiBase, Copley, OH) as the matrix.
  • a test "run” was conducted by running the brushes at 1750 rpm and placing them in contact with a test substrate (carbon steel or aluminum) for 150 seconds, followed by cooling for 30 seconds, and repeating for two more cycles under a load of 22.24 N (5 lbf).
  • the test substrate was moved at a speed of 7.62 cm/sec (3 inch/second) up and down over a distance of 17.78 cm (7 inches) during the test.
  • Brush cut was calculated as the change in test substrate weight before and after the test. The test run was repeated consecutively four more times.
  • FIGs. Ia to Ib show that TPE matrix brushes are more efficient at burr removal on carbon steel than polyamide brushes under the test conditions used. Deburring tests were carried out on perforated aluminum and showed similar results.

Abstract

L'invention concerne un filament abrasif qui inclut une matrice de polymère thermoplastique et une pluralité de particules abrasives telles que des particules de mélange eutectique d'alumine et de zircone parsemées à travers au moins une partie de la matrice. L'invention concerne également les brosses abrasives incluant ces filaments abrasifs. En outre, l'invention concerne des procédés d'ébavurage d'un substrat comportant au moins une bavure, avec une brosse, la brosse possédant des poils qui incluent des particules de mélange eutectique d'alumine et de zircone et une matrice de polymère thermoplastique, ledit procédé incluant les étapes consistant à : mettre en contact le substrat avec au moins un poil de la brosse dans une zone de contact ; et induire un mouvement relatif entre le substrat et au moins un poil.
PCT/US2008/061852 2007-05-10 2008-04-29 Brosse et filament abrasifs WO2008140929A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08780575.0A EP2150149B1 (fr) 2007-05-10 2008-04-29 Brosse et filament abrasifs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91717207P 2007-05-10 2007-05-10
US60/917,172 2007-05-10

Publications (1)

Publication Number Publication Date
WO2008140929A1 true WO2008140929A1 (fr) 2008-11-20

Family

ID=39580635

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/061852 WO2008140929A1 (fr) 2007-05-10 2008-04-29 Brosse et filament abrasifs

Country Status (4)

Country Link
US (1) US20080280541A1 (fr)
EP (1) EP2150149B1 (fr)
KR (1) KR20100017289A (fr)
WO (1) WO2008140929A1 (fr)

Families Citing this family (14)

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Publication number Priority date Publication date Assignee Title
SG134181A1 (en) * 2006-01-13 2007-08-29 3M Innovative Properties Co Integrally molded brush and the method of manufacture and its uses thereof
US8546172B2 (en) 2008-01-18 2013-10-01 Miasole Laser polishing of a back contact of a solar cell
US8586398B2 (en) * 2008-01-18 2013-11-19 Miasole Sodium-incorporation in solar cell substrates and contacts
US8536054B2 (en) * 2008-01-18 2013-09-17 Miasole Laser polishing of a solar cell substrate
CN101675839B (zh) * 2008-09-18 2011-12-28 杜邦兴达（无锡）单丝有限公司 工业用耐酸刷丝及其刷子
US20100282276A1 (en) * 2009-04-13 2010-11-11 Miasole Removing defects from photovoltaic cell metallic substrates with fixed-abrasive filament roller brushes
EP2616219A4 (fr) * 2010-09-15 2015-05-27 Saint Gobain Abrasives Inc Brosse imprégnée d'un abrasif
GB201018141D0 (en) 2010-10-27 2010-12-08 Pilkington Group Ltd Polishing coated substrates
KR101808371B1 (ko) * 2011-04-07 2017-12-14 켄지 나카무라 화장용 필라멘트, 그 필라멘트를 사용한 화장용 브러시 모재, 그 모재를 사용한 화장용 브러시
CN103132172B (zh) * 2011-11-29 2015-07-22 杜邦兴达（无锡）单丝有限公司 具有改善的刚度的磨料丝、包含其的工业用刷及该工业用刷的用途
WO2014128528A1 (fr) * 2013-02-21 2014-08-28 Okulov Pavel D Machine à ébavurer modulaire et portable
CN104044084A (zh) * 2013-03-15 2014-09-17 昆山齐升磨料磨具有限公司 一种新型的抛光及磨刷两用磨具
US9272382B2 (en) * 2013-10-08 2016-03-01 The Boeing Company Automated sanding system
JP6829465B2 (ja) * 2017-03-06 2021-02-10 株式会社イハラ合成 ガラス繊維強化熱可塑性プラスチック製の表面加工用線材

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US5427595A (en) * 1992-03-19 1995-06-27 Minnesota Mining And Manufacturing Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles
WO2003011782A2 (fr) 2001-08-02 2003-02-13 3M Innovative Properties Company Matieres alumine-zircone et leurs procedes de fabrication et d'utilisation
US20050137078A1 (en) * 2003-12-18 2005-06-23 3M Innovative Properties Company Alumina-yttria particles and methods of making the same
DE102005033392A1 (de) * 2005-07-16 2007-01-18 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Nanokristalline Sinterkörper auf Basis von Alpha-Aluminiumoxyd, Verfahren zu ihrer Herstellung sowie ihrer Verwendung

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Publication number Priority date Publication date Assignee Title
US5427595A (en) * 1992-03-19 1995-06-27 Minnesota Mining And Manufacturing Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles
WO2003011782A2 (fr) 2001-08-02 2003-02-13 3M Innovative Properties Company Matieres alumine-zircone et leurs procedes de fabrication et d'utilisation
US20050137078A1 (en) * 2003-12-18 2005-06-23 3M Innovative Properties Company Alumina-yttria particles and methods of making the same
DE102005033392A1 (de) * 2005-07-16 2007-01-18 Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh Nanokristalline Sinterkörper auf Basis von Alpha-Aluminiumoxyd, Verfahren zu ihrer Herstellung sowie ihrer Verwendung

Also Published As

Publication number Publication date
EP2150149A1 (fr) 2010-02-10
US20080280541A1 (en) 2008-11-13
EP2150149B1 (fr) 2013-05-22
KR20100017289A (ko) 2010-02-16

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