JP2015006706A - Hair material for polishing brush, and polishing brush - Google Patents
Hair material for polishing brush, and polishing brush Download PDFInfo
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- JP2015006706A JP2015006706A JP2013132303A JP2013132303A JP2015006706A JP 2015006706 A JP2015006706 A JP 2015006706A JP 2013132303 A JP2013132303 A JP 2013132303A JP 2013132303 A JP2013132303 A JP 2013132303A JP 2015006706 A JP2015006706 A JP 2015006706A
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- 239000000463 material Substances 0.000 title claims abstract description 65
- 238000005498 polishing Methods 0.000 title claims abstract description 52
- 239000002245 particle Substances 0.000 claims abstract description 33
- 239000011342 resin composition Substances 0.000 claims abstract description 23
- 229920002545 silicone oil Polymers 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 16
- 238000002074 melt spinning Methods 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 abstract description 13
- 238000000227 grinding Methods 0.000 abstract description 11
- 238000009987 spinning Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract 1
- 230000002085 persistent effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000003466 welding Methods 0.000 description 12
- -1 azine compound Chemical class 0.000 description 11
- 239000000843 powder Substances 0.000 description 11
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 11
- 229910010271 silicon carbide Inorganic materials 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000004898 kneading Methods 0.000 description 5
- 229920000305 Nylon 6,10 Polymers 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- 239000008188 pellet Substances 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 229920000572 Nylon 6/12 Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000011112 polyethylene naphthalate Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Landscapes
- Brushes (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Artificial Filaments (AREA)
Abstract
Description
本発明は、金属などを研削するために使用する研磨ブラシ用毛材および研磨ブラシに関するものである。さらに詳しくは、優れた研磨性、耐磨耗性、耐溶着性とを兼ね備え、過酷な研削環境において持続的な研磨性能を発揮する研磨ブラシ用毛材および研磨ブラシに関するものである。 The present invention relates to a bristle material for an abrasive brush and an abrasive brush used for grinding metal or the like. More specifically, the present invention relates to a polishing brush hair material and a polishing brush that have excellent polishing properties, wear resistance, and welding resistance, and exhibit continuous polishing performance in a harsh grinding environment.
従来、金属板の製造工程における金属板表面の研磨には、ディスクロールブラシ、チャンネルロールブラシ、カップ状ブラシ、セグメントブラシなどの研磨ブラシが使用されており、さらにこれらの研磨ブラシの毛材には研磨砥材粒子を含有したモノフィラメントが使用されている。研磨ブラシに要求される毛材の特性としては、毛材の腰、耐熱性、研磨性、耐摩耗性等が挙げられ、使用用途に応じてこれらの特性を満たしたブラシが使用されている。 Conventionally, polishing brushes such as disk roll brushes, channel roll brushes, cup-shaped brushes, segment brushes, etc. have been used for polishing metal plate surfaces in the manufacturing process of metal plates. Monofilaments containing abrasive abrasive particles are used. The properties of the bristle material required for the polishing brush include the waist of the bristle material, heat resistance, abrasiveness, wear resistance and the like, and a brush satisfying these properties is used depending on the intended use.
これらの研磨ブラシは、回転しながら金属板表面に押圧され、金属板表面に付着したスラッジや錆を除去するために使用されるものであるが、使用時の過酷な研削環境に伴う摩擦熱によって毛材が溶融し、金属板表面に溶着するという問題があった。 These polishing brushes are used to remove sludge and rust that are pressed against the surface of the metal plate while rotating and adhere to the surface of the metal plate. There was a problem that the bristle material melted and welded to the metal plate surface.
こうした問題に対し、融点２１０〜２３０℃のＥＴＦＥ３〜２５％、アジン系化合物０．１〜５％、砥材粒子５〜４０％を含有するポリアミドモノフィラメントからなる研磨ブラシ用毛材（例えば、特許文献１参照）が知られている。 For these problems, a polishing brush hair material comprising a polyamide monofilament containing 3 to 25% ETFE having a melting point of 210 to 230 ° C., 0.1 to 5% azine compound, and 5 to 40% abrasive particles (for example, patent document) 1) is known.
しかし、特許文献１に記載されている研磨ブラシ用毛材は、耐溶着性に優れるといった利点を有してはいるものの、特に近年の重研削用途への使用においては、摩擦熱の発生により、金属板表面への溶着が起き、研磨性能も低下する問題があった。 However, although the bristle material for an abrasive brush described in Patent Document 1 has the advantage of being excellent in welding resistance, particularly in use in heavy grinding applications in recent years, due to the generation of frictional heat, There was a problem that welding to the surface of the metal plate occurred and the polishing performance was lowered.
本発明は、かかる問題点の解決を図るものである。すなわち、優れた研磨性、耐磨耗性、耐溶着性とを兼ね備え、近年の重研削用途における過酷な研削環境においても、従来の毛材よりも持続的な研磨性能を発揮する研磨ブラシ用毛材および研磨ブラシを提供することにある。 The present invention is intended to solve such problems. In other words, it has excellent polishing properties, abrasion resistance, and welding resistance, and the hair for polishing brushes that exhibits more continuous polishing performance than conventional bristle materials even in harsh grinding environments in recent heavy grinding applications. It is to provide a material and an abrasive brush.
上記の目的を達成するため、本発明によれば、
ポリアミド樹脂９６〜９９．８質量％、シリコーンオイル０．１〜３質量％、および二硫化モリブデンを０．１〜１質量％、からなる樹脂配合物１００質量部と、研磨砥材粒子５〜５０質量部とを含有する樹脂配合物を溶融紡糸したモノフィラメントからなる研磨ブラシ用毛材が提供される。
In order to achieve the above object, according to the present invention,
100 parts by mass of a resin composition comprising 96 to 99.8% by mass of polyamide resin, 0.1 to 3% by mass of silicone oil, and 0.1 to 1% by mass of molybdenum disulfide, and 5 to 50 abrasive particles. There is provided a bristle material for an abrasive brush comprising a monofilament obtained by melt spinning a resin compound containing part by mass.
なお、本発明の研磨ブラシ用毛材においては、
前記ポリアミド樹脂が、融点１８０〜２７０℃、且つ、樹脂の融点より２０℃高い温度における粘度が３．０×１０２〜４．０×１０３Ｐａ・ｓであること、
前記シリコーンオイルの２０℃における粘度が、０．０４〜２．００Ｐａ・ｓであること、
前記研磨砥材粒子は、ＪＩＳ Ｒ ６００１：１９９８に規定の粒度の範囲が、Ｆ３６〜Ｆ２２０、および、＃２４０〜＃３０００の範囲にあること、
が、いずれも好ましい条件として挙げられる。
In the hair material for polishing brush of the present invention,
The polyamide resin has a melting point of 180 to 270 ° C. and a viscosity at a temperature 20 ° C. higher than the melting point of the resin of 3.0 × 10 2 to 4.0 × 10 3 Pa · s,
The viscosity of the silicone oil at 20 ° C. is 0.04 to 2.00 Pa · s,
The abrasive grains have a particle size range defined in JIS R 6001: 1998 in the range of F36 to F220 and # 240 to # 3000,
Are mentioned as preferable conditions.
また、本発明の研磨ブラシ用毛材は、上記研磨ブラシ用毛材を毛材の少なくとも一部に使用したことを特徴とする。 Moreover, the bristle material for abrasive brushes of the present invention is characterized by using the bristle material for abrasive brushes as at least a part of the bristle material.
従来の研磨ブラシ用毛材の弱点であった毛材の耐磨耗性が格段に向上し、これに伴い、持続的な研磨性能、および被研磨体への耐溶着性能が格段に向上した研磨ブラシ用毛材および研磨ブラシが得られる。かかる特長を有する本発明の研磨ブラシ用毛材は、過酷な研削環境を要求される研磨加工用の研磨ブラシに極めて有用である。 Polishing that has improved the abrasion resistance of bristle materials, which was a weak point of conventional bristle materials for abrasive brushes, and with this, has improved the continuous grinding performance and the resistance to welding to the workpiece. A brush bristle material and an abrasive brush are obtained. The bristle material for an abrasive brush of the present invention having such features is extremely useful for an abrasive brush for polishing work that requires a severe grinding environment.
以下、本発明について具体的に説明する。 Hereinafter, the present invention will be specifically described.
本発明の研磨ブラシ用毛材は、ポリアミド樹脂９６〜９９．８質量％、シリコーンオイル０．１〜３質量％、および二硫化モリブデンを０．１〜１質量％、からなる樹脂配合物１００質量部と、研磨砥材粒子５〜５０質量部とを含有する樹脂組成物を溶融紡糸したモノフィラメントからなることを特徴とする。かかる構成により上記の優れた効果が得られるメカニズムについては、次のように推定している。すなわち、本発明の研磨ブラシ用毛材は、一定量のシリコーンオイルと二硫化モリブデンを配合することにより、従来の研磨ブラシ用毛材に比べ、研磨ブラシ用毛材の、樹脂部表面の平滑性が格段に向上したものとなる。その結果、従来の研磨ブラシ用毛材の弱点である毛材そのものの耐磨耗性が格段に向上し、これに伴い、持続的な研磨性能、および被研磨体への耐溶着性能が格段に向上した研磨ブラシ用毛材および研磨ブラシが得られるものと考えている。 The bristle material for an abrasive brush of the present invention has a resin composition consisting of 96 to 99.8% by mass of a polyamide resin, 0.1 to 3% by mass of silicone oil, and 0.1 to 1% by mass of molybdenum disulfide. And a monofilament obtained by melt spinning a resin composition containing 5 to 50 parts by mass of abrasive abrasive particles. About the mechanism by which the said outstanding effect is acquired by this structure, it estimates as follows. In other words, the polishing brush hair material of the present invention contains a certain amount of silicone oil and molybdenum disulfide, so that the surface of the resin portion of the polishing brush hair material is smoother than the conventional polishing brush hair material. Will be much improved. As a result, the wear resistance of the bristle material itself, which is a weak point of conventional bristle materials for abrasive brushes, has been greatly improved. With this, continuous polishing performance and resistance to welding to the object to be polished are markedly improved. It is believed that an improved abrasive brush hair and abrasive brush can be obtained.
本発明に使用するポリアミド樹脂は、化学構造については特には限定されないが、例えば、ナイロン６、ナイロン６１０、ナイロン６１２、ナイロン１０１０などを用いることが出来る。 The polyamide resin used in the present invention is not particularly limited in terms of chemical structure. For example, nylon 6, nylon 610, nylon 612, nylon 1010, etc. can be used.
本発明に使用するポリアミド樹脂は、融点１８０〜２７０℃、且つ、樹脂の融点より２０℃高い温度における粘度が３．０×１０２〜４．０×１０３Ｐａ・ｓの範囲にあることが好ましい。前記ポリアミド樹脂の融点より２０℃高い温度における粘度が４．０×１０３Ｐａ・ｓを上回ると、製造工程において紡糸機からモノフィラメントを押し出すことが困難となる場合がある。反対に、樹脂粘度が３．０×１０２を下回ると、毛材の耐久性が失われ、研磨性能が低下する場合がある。 The polyamide resin used in the present invention has a melting point of 180 to 270 ° C. and a viscosity at a temperature 20 ° C. higher than the melting point of the resin in a range of 3.0 × 10 2 to 4.0 × 10 3 Pa · s. preferable. If the viscosity at a temperature 20 ° C. higher than the melting point of the polyamide resin exceeds 4.0 × 10 3 Pa · s, it may be difficult to extrude the monofilament from the spinning machine in the manufacturing process. On the other hand, when the resin viscosity is less than 3.0 × 10 2 , the durability of the hair material is lost and the polishing performance may be deteriorated.
本発明の研磨ブラシ用毛材に含有するシリコーンオイルおよび二硫化モリブデンの含有量は、ポリアミド樹脂９６〜９９．８質量％に対し、シリコーンオイルは０．１〜３質量％の範囲にあり、且つ、二硫化モリブデンは０．１〜１質量％の範囲にあることが必要である。シリコーンオイルおよび／または二硫化モリブデンの配合量が前記範囲の下限を下回ると、研磨ブラシ使用時において、毛材と被研磨体との間に生じる摩擦抵抗が上昇することで発熱し、毛材先端が溶融したり、毛材同士が擦れることで毛材著しく磨耗することとなる。反対に、シリコーンオイルおよび／または二硫化モリブデンの配合量が前記範囲の上限を上回ると、毛材の柔軟性と耐久性が失われて研磨性能が低下することとなる。 Content of the silicone oil and molybdenum disulfide contained in the bristle material for polishing brush of the present invention is in the range of 0.1 to 3% by mass of silicone oil with respect to 96 to 99.8% by mass of the polyamide resin, and Molybdenum disulfide needs to be in the range of 0.1 to 1% by mass. When the blending amount of silicone oil and / or molybdenum disulfide is below the lower limit of the above range, when using an abrasive brush, heat is generated due to an increase in frictional resistance generated between the bristle material and the object to be polished, and the bristle tip When the hair melts or the hair materials rub against each other, the hair materials are significantly worn. On the contrary, when the blending amount of silicone oil and / or molybdenum disulfide exceeds the upper limit of the above range, the flexibility and durability of the bristle material are lost and the polishing performance is lowered.
また、本発明に用いるシリコーンオイルの２０℃における粘度は、０．０４〜２．００Ｐａ・ｓの範囲にあることが好ましい。前記粘度が０．０４Ｐａ・ｓを下回ると、樹脂を溶融紡糸する過程でシリコーンオイルが揮発し、不十分な含有量となる場合がある。一方、前記粘度が２．００Ｐａ・ｓを上回ると、前記ポリアミド樹脂へのシリコーンオイルの分散性が悪くなり、本発明の効果が均等に現れない箇所が出来る場合がある。 Moreover, it is preferable that the viscosity at 20 degreeC of the silicone oil used for this invention exists in the range of 0.04-2.00 Pa.s. When the viscosity is less than 0.04 Pa · s, the silicone oil volatilizes in the process of melt spinning the resin, which may result in an insufficient content. On the other hand, when the viscosity exceeds 2.00 Pa · s, the dispersibility of the silicone oil in the polyamide resin is deteriorated, and there may be a portion where the effect of the present invention does not appear evenly.
本発明の研磨ブラシ用毛材に含有させる研磨砥材粒子としては、炭化ケイ素、緑色炭化ケイ素、酸化アルミナ、などを使用することができ、その粒子径については、研磨ブラシの使用用途、および研磨性能の観点から、粒度の範囲が、Ｆ３６〜２２０および＃２４０〜３０００の範囲にあることが好ましい。 As the abrasive particles to be contained in the bristle material for an abrasive brush of the present invention, silicon carbide, green silicon carbide, alumina oxide, and the like can be used. From the viewpoint of performance, it is preferable that the range of the particle size is in the range of F36 to 220 and # 240 to 3000.
前記研磨砥材粒子の含有量は、前記ポリアミド樹脂配合物１００質量部に対し、５〜５０質量％の範囲にあることが必要であり、さらには１０〜３０質量％の範囲にあることが、好ましい。前記研磨砥材粒子の含有量が前記ポリアミド樹脂配合物１００質量部に対し５質量％未満であると研削性能が不十分となり、５０質量％を超えると毛材の耐久性が低下して毛折れを起こす場合がある。 The content of the abrasive abrasive particles needs to be in the range of 5 to 50% by mass, more preferably in the range of 10 to 30% by mass, with respect to 100 parts by mass of the polyamide resin composition. preferable. When the content of the abrasive particles is less than 5% by mass with respect to 100 parts by mass of the polyamide resin compound, the grinding performance becomes insufficient, and when it exceeds 50% by mass, the durability of the hair material decreases and the hair breaks. May occur.
本発明のポリアミド樹脂９６〜９９．８質量％、シリコーンオイル０．１〜３質量％、および二硫化モリブデンを０．１〜１質量％、からなる樹脂配合物１００質量部と、研磨砥材粒子５〜５０質量部とを含有する樹脂組成物は、本発明の目的を阻害しない範囲において、前記の成分に加えて前記ポリアミド樹脂と相溶可能な熱可塑性樹脂を含有することも可能である。ここでいう相溶可能な熱可塑性樹脂とは、特に限定されないが、ポリエチレンテレフタレート、ポリブチレンテレフタレート、ポリプロピレンテレフタレート、ポリエチレンナフタレート、ポリメチレンナフタレート、ポリブチレンナフタレート、ポリプロピレンナフタレートなどのポリエステル系樹脂、ポリテトラフルオロエチレン、パーフルオロエチレン・プロピレン共重合体、エチレンテトラフロロエチレン共重合体、ポリクロロトリフルオロエチレン共重合体、テトラフルオロエチレン・パーフルオロアルキルビニルエーテル共重合体、テトラフルオロエチレン・パーフルオロジオキソール共重合体、テトラフルオロエチレン・ヘキサフルオロプロピレン共重合体、テトラフルオロエチレン・ヘキサフルオロプロピレン・ビニリデンフルオライド共重合体テトラフルオロエチレン・エチレンクロライド共重合体、フルオロビニルエーテル共重合体などのフッ素系樹脂、など、前記ポリアミド樹脂と相溶可能な樹脂であればいずれでも使用することができる。ただし、これら相溶可能な樹脂の配合量が多い場合には、毛材の強度の低下を招くため、前記相溶可能な熱可塑性樹脂の配合量は、前記ポリアミド樹脂１００質量部に対し、５０質量部以下であることが好ましく、さらには３０質量部以下であることが好ましい。 100 parts by mass of a resin composition comprising 96 to 99.8% by mass of the polyamide resin of the present invention, 0.1 to 3% by mass of silicone oil, and 0.1 to 1% by mass of molybdenum disulfide, and abrasive particles The resin composition containing 5 to 50 parts by mass can contain a thermoplastic resin that is compatible with the polyamide resin in addition to the components as long as the object of the present invention is not impaired. The compatible thermoplastic resin here is not particularly limited, but polyester resins such as polyethylene terephthalate, polybutylene terephthalate, polypropylene terephthalate, polyethylene naphthalate, polymethylene naphthalate, polybutylene naphthalate, and polypropylene naphthalate. , Polytetrafluoroethylene, perfluoroethylene / propylene copolymer, ethylene tetrafluoroethylene copolymer, polychlorotrifluoroethylene copolymer, tetrafluoroethylene / perfluoroalkyl vinyl ether copolymer, tetrafluoroethylene / perfluoro Dioxol copolymer, tetrafluoroethylene / hexafluoropropylene copolymer, tetrafluoroethylene / hexafluoropropylene / vinylidene Ruoraido copolymer tetrafluoroethylene-ethylene chloride copolymer, fluorine-based resins such as fluoro vinyl ether copolymer, etc., be any said polyamide resin is compatible capable resins. However, when the blending amount of these compatible resins is large, the strength of the bristle material is lowered. Therefore, the blending amount of the compatible thermoplastic resin is 50 with respect to 100 parts by mass of the polyamide resin. The amount is preferably not more than part by mass, more preferably not more than 30 parts by mass.
本発明の研磨ブラシ用毛材の製造には、特殊な製造装置を使用する必要はなく、例えば、既存のエクストルーダー型溶融紡糸機を使用して製造することができる。 It is not necessary to use a special manufacturing apparatus for manufacturing the bristle material for the polishing brush of the present invention, and for example, it can be manufactured using an existing extruder type melt spinning machine.
具体的には、必要量のポリアミド樹脂ペレットに、所定量のシリコーンオイルおよび二硫化モリブデンを含有したマスターバッチペレットを均一にブレンドし、そのブレンドしたペレットと研磨砥材粒子とを二軸押出型溶融紡糸機に供給し、溶融混練した樹脂組成物を紡糸口金から押し出し、冷却固化、加熱延伸、必要に応じて加熱弛緩処理を施し、モノフィラメントを一旦束状に巻き取る。次に、研磨ブラシの用途に応じた長さにカットすることにより、本発明の研磨ブラシ用毛材を得ることができる。 Specifically, a master batch pellet containing a predetermined amount of silicone oil and molybdenum disulfide is uniformly blended with the required amount of polyamide resin pellets, and the blended pellets and abrasive abrasive particles are melted by twin-screw extrusion. The resin composition supplied to the spinning machine, melted and kneaded is extruded from the spinneret, cooled and solidified, heated and stretched, and subjected to heat relaxation treatment as necessary, and the monofilaments are once wound into a bundle. Next, the hair material for polishing brushes of the present invention can be obtained by cutting the length according to the use of the polishing brush.
なお、本発明の研磨ブラシ用毛材には、研磨ブラシの用途に応じて、その側面長手方向に波形状を付与することもできる。そして、本発明の研磨ブラシは、上記製造方法で得られた研磨ブラシ用毛材を、ブラシ基材の少なくとも一部に植毛してなるものであり、既知の製造方法により得ることができる。 In addition, the bristle material for abrasive brushes of the present invention can be given a wave shape in the longitudinal direction of the side surface according to the use of the abrasive brush. The abrasive brush of the present invention is obtained by implanting the bristle material for an abrasive brush obtained by the above production method into at least a part of the brush base material, and can be obtained by a known production method.
以上説明した通り、本発明によれば、優れた研磨性、耐磨耗性、耐溶着性とを兼ね備えた研磨ブラシ用毛材が得られ、この研磨ブラシ用毛材をロールブラシ、カップブラシ、筒状ブラシおよびホイルブラシなどの研磨ブラシにおいて、毛材の少なくとも一部に使用した場合には、上記の特性が要求される研磨加工用の研磨ブラシに極めて有用である。 As described above, according to the present invention, a bristle material for an abrasive brush having excellent abrasiveness, abrasion resistance, and welding resistance can be obtained, and this bristle material for an abrasive brush can be used as a roll brush, a cup brush, In a polishing brush such as a cylindrical brush and a foil brush, when used as at least a part of the bristle material, it is extremely useful as a polishing brush for polishing processing that requires the above characteristics.
以下、実施例を挙げて、本発明をさらに詳細に説明するが、本発明はその要旨を越えない限り、以下の実施例に限定されるものではない。なお、以下の実施例および比較例における毛材を用いて以下の研磨試験を行い、研磨性、耐磨耗性、耐溶着性について以下の通り評価した。 EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated still in detail, this invention is not limited to a following example, unless the summary is exceeded. In addition, the following grinding | polishing tests were done using the hair material in a following example and a comparative example, and it evaluated as follows about abrasion property, abrasion resistance, and welding resistance.
［研磨試験］
得られたモノフィラメントを使用し、内径４５ｍｍ、外径７０ｍｍ、毛丈５０ｍｍ、植毛面積密度５５％のカップ状ブラシを作製した。そして、このカップ状ブラシをハンドグラインダーに取り付け、ブラシの押し付け力を８５Ｎ、回転数２００００ｒｐｍでステンレス金属板の表面を３０分間研磨した後、以下の評価を行った。
[Polishing test]
Using the obtained monofilament, a cup-shaped brush having an inner diameter of 45 mm, an outer diameter of 70 mm, a hair length of 50 mm, and a flocking area density of 55% was produced. Then, this cup-shaped brush was attached to a hand grinder, the surface of the stainless metal plate was polished for 30 minutes at a brush pressing force of 85 N and a rotational speed of 20000 rpm, and then evaluated as follows.
［研磨性評価］
研磨前のステンレス金属板の質量から研磨後のステンレス金属板の質量を差し引いて、削り取られたステンレス粉の質量を算出し、以下の基準により判定した。削り取られたステンレス粉の質量が多い程、毛材の研磨性が優れることを表す。（本評価は、ｎ＝１で行った）
Ａ：削り取られたステンレス粉の質量が４０ｇ以上（研磨性が極めて良い）、
Ｂ：削り取られたステンレス粉の質量が３１以上４０ｇ未満（研磨性が良い）、
Ｃ：削り取られたステンレス粉の質量が２１以上３０ｇ未満（研磨性がやや悪い）、
Ｄ：削り取られたステンレス粉の質量が２０ｇ未満（研磨性が悪い）。
[Abrasiveness evaluation]
The mass of the stainless steel plate after polishing was calculated by subtracting the mass of the stainless metal plate after polishing from the mass of the stainless metal plate before polishing, and the determination was made according to the following criteria. The greater the mass of the scraped stainless steel powder, the better the abrasiveness of the hair material. (This evaluation was performed with n = 1)
A: The mass of the scraped stainless steel powder is 40 g or more (excellent polishability),
B: The mass of the scraped stainless steel powder is 31 or more and less than 40 g (good polishability),
C: The mass of the scraped stainless steel powder is 21 or more and less than 30 g (abrasiveness is slightly poor),
D: The mass of the scraped stainless steel powder is less than 20 g (poor polishability).
［耐磨耗性評価］
研磨前の毛材の質量から研磨後の毛材の質量を差し引いて、毛材の磨耗量を算出し以下の基準により、判定した。毛材の磨耗量が少ない程、毛材の耐磨耗性が優れることを表す。（本評価は、ｎ＝１で行った）
Ａ：毛材の磨耗量が０．５ｇ未満（耐磨耗性が極めて良い）、
Ｂ：毛材の磨耗量が０．５ｇ以上１ｇ未満（耐磨耗性が良い）、
Ｃ：毛材の磨耗量が１ｇ以上２ｇ未満（耐磨耗性がやや悪い）、
Ｄ：毛材の磨耗量が２ｇ以上（耐磨耗性が悪い）。
[Abrasion resistance evaluation]
The mass of the bristle after polishing was subtracted from the mass of the bristle before polishing, and the amount of wear of the bristle was calculated and judged according to the following criteria. The smaller the amount of wear of the hair material, the better the wear resistance of the hair material. (This evaluation was performed with n = 1)
A: The amount of wear of the hair material is less than 0.5 g (very good wear resistance),
B: Abrasion amount of bristle material is 0.5 g or more and less than 1 g (good wear resistance),
C: The abrasion amount of the hair material is 1 g or more and less than 2 g (a little wear resistance),
D: The abrasion amount of the bristle material is 2 g or more (poor abrasion resistance).
［耐溶着性評価］
研磨試験の際に金属板表面に溶着物の付着の有無を目視確認し、溶着物の付着が見られた場合に、その溶着物の重量を測定した。この操作を５回繰り返して平均値を算出した。平均値が小さいほど、耐溶着性に優れていることを表す。
[Evaluation of welding resistance]
During the polishing test, the presence or absence of adhesion of the welded material was visually confirmed, and when the welded material was observed, the weight of the welded material was measured. This operation was repeated 5 times to calculate the average value. The smaller the average value, the better the welding resistance.
［実施例１］
２４５℃における粘度が１．０×１０３Ｐａ・ｓのナイロン６１０樹脂（融点：２２５℃）９７質量％、２０℃における粘度が０．１Ｐａ・ｓのシリコーンオイル２．５質量％、二硫化モリブデン粉末０．５質量％からなる樹脂配合物１００質量部と、粒度Ｆ１００の炭化ケイ素砥材粒子２０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２５０℃の温度で溶融混練した後、口金孔から押し出した。次いで、押し出された糸条を２０℃の冷却浴で冷却固化した後、引き続き１７０℃の熱風雰囲気中で３．０倍に延伸することにより、直径１．０ｍｍの円形断面モノフィラメントを得た。
[Example 1]
Nylon 610 resin (melting point: 225 ° C.) 97% by mass with a viscosity at 245 ° C. of 1.0 × 10 3 Pa · s, 2.5% by mass of silicone oil with a viscosity at 20 ° C. of 0.1 Pa · s, molybdenum disulfide A resin composition containing 100 parts by mass of a resin composition composed of 0.5% by mass of powder and 20 parts by mass of silicon carbide abrasive particles having a particle size of F100 is supplied to an extruder type melt spinning machine at a temperature of 250 ° C. After being melt-kneaded with, it was extruded from the die hole. Next, the extruded yarn was cooled and solidified in a cooling bath at 20 ° C., and then stretched 3.0 times in a hot air atmosphere at 170 ° C. to obtain a circular cross-sectional monofilament having a diameter of 1.0 mm.
［実施例２］
２８５℃における粘度が３．０×１０２Ｐａ・ｓのナイロン６６樹脂（融点：２６５℃）９６質量％、２０℃における粘度が０．０４Ｐａ・ｓのシリコーンオイル３．０質量％、二硫化モリブデン粉末１．０質量％からなる樹脂配合物１００質量部と、粒度＃５００の炭化ケイ素砥材粒子１０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２９０℃の温度で溶融混練した後、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Example 2]
Nylon 66 resin (melting point: 265 ° C.) with a viscosity at 285 ° C. of 3.0 × 10 2 Pa · s, 96% by mass, silicone oil with a viscosity at 20 ° C. of 0.04 Pa · s, 3.0% by mass, molybdenum disulfide A resin composition containing 100 parts by mass of a resin composition composed of 1.0% by mass of powder and 10 parts by mass of silicon carbide abrasive particles having a particle size of # 500 is supplied to an extruder type melt spinning machine at 290 ° C. After melt-kneading at a temperature, a circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1.
［実施例３］
２０７℃における粘度が４．０×１０３Ｐａ・ｓのナイロン１１樹脂（融点：１８７℃）９９．８質量％、２０℃における粘度が２．０Ｐａ・ｓのシリコーンオイル０．１質量％、二硫化モリブデン粉末０．１質量％からなる樹脂配合物１００質量部と、粒度＃１５００の炭化ケイ素砥材粒子３０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２００℃の温度で溶融混練した後、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Example 3]
99.8% by mass of nylon 11 resin (melting point: 187 ° C.) having a viscosity of 4.0 × 10 3 Pa · s at 207 ° C., 0.1% by mass of silicone oil having a viscosity of 2.0 Pa · s at 20 ° C. A resin composition containing 100 parts by mass of a resin composition comprising 0.1% by mass of molybdenum sulfide powder and 30 parts by mass of silicon carbide abrasive particles having a particle size of # 1500 is supplied to an extruder type melt spinning machine, and 200 After melt-kneading at a temperature of 0 ° C., a circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1.
［実施例４］
２４５℃における粘度が３．０×１０３Ｐａ・ｓのナイロン６樹脂（融点：２２５℃）９８質量％、２０℃における粘度が０．１５Ｐａ・ｓのシリコーンオイル１．０質量％、二硫化モリブデン粉末１．０質量％からなる樹脂配合物１００質量部と、粒度Ｆ１００の炭化ケイ素砥材粒子２０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２５０℃の温度で溶融混練した後、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Example 4]
Nylon 6 resin (melting point: 225 ° C.) 98% by mass with a viscosity at 245 ° C. of 3.0 × 10 3 Pa · s, 1.0% by mass of silicone oil with a viscosity at 20 ° C. of 0.15 Pa · s, molybdenum disulfide A resin composition containing 100 parts by mass of a resin compound composed of 1.0% by mass of powder and 20 parts by mass of silicon carbide abrasive particles having a particle size of F100 is supplied to an extruder type melt spinning machine at a temperature of 250 ° C. After melt-kneading in the above, a circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1.
［実施例５］
実施例１において、粒度Ｆ１００の炭化ケイ素砥材粒子を４５質量部に変更したこと、以外は、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Example 5]
A circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same manufacturing method as in Example 1, except that the silicon carbide abrasive particles having a particle size of F100 were changed to 45 parts by mass in Example 1.
［比較例１］
２９２℃における粘度が２．０×１０２Ｐａ・ｓのポリエチレンナフタレート（ＰＥＮ）樹脂（融点：２７２℃）９７質量％、２０℃における粘度が０．０１Ｐａ・ｓのシリコーンオイル２．５質量％、二硫化モリブデン粉末０．５質量％からなる樹脂配合物１００質量部と粒度Ｆ１００の炭化ケイ素砥材粒子２質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２９０℃の温度で溶融混錬した後、口金孔から押し出した。次いで、押し出された糸条を５０℃の冷却浴で冷却固化した後、引き続き１６０℃の熱風雰囲気中で５．０倍に延伸することにより、直径１．０ｍｍの円形断面モノフィラメントを得た。
[Comparative Example 1]
97% by mass of polyethylene naphthalate (PEN) resin (melting point: 272 ° C.) having a viscosity at 292 ° C. of 2.0 × 10 2 Pa · s, 2.5% by mass of silicone oil having a viscosity of 0.01 Pa · s at 20 ° C. A resin composition containing 100 parts by mass of a resin composition composed of 0.5% by mass of molybdenum disulfide powder and 2 parts by mass of silicon carbide abrasive particles having a particle size of F100 is supplied to an extruder type melt spinning machine. After melt-kneading at a temperature of ° C., it was extruded from the die hole. Next, the extruded yarn was cooled and solidified in a cooling bath at 50 ° C., and then stretched 5.0 times in a hot air atmosphere at 160 ° C. to obtain a circular cross-sectional monofilament having a diameter of 1.0 mm.
［比較例２］
実施例１において、ナイロン６１０樹脂を、２３９℃における粘度が１．０×１０３Ｐａ・ｓのポリブチレンテレフタレート（ＰＢＴ）樹脂（融点：２１９℃）に変更したこと、粒度Ｆ１００の炭化ケイ素砥材粒子を６０質量部に変更したこと、以外は、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Comparative Example 2]
In Example 1, the nylon 610 resin was changed to a polybutylene terephthalate (PBT) resin (melting point: 219 ° C.) having a viscosity at 239 ° C. of 1.0 × 10 3 Pa · s, and a silicon carbide abrasive with a particle size of F100 A circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1 except that the particles were changed to 60 parts by mass.
［比較例３］
２４５℃における粘度が５．０×１０３Ｐａ・ｓのナイロン６１０樹脂（融点：２２５℃）９７．５質量％、２０℃における粘度が５．０Ｐａ・ｓのシリコーンオイル２．５質量％、からなる樹脂配合物１００質量部と、粒度Ｆ１００の炭化ケイ素砥材粒子２０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２５０℃の温度で溶融混練した後、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Comparative Example 3]
Nylon 610 resin (melting point: 225 ° C.) having a viscosity at 245 ° C. of 5.0 × 10 3 Pa · s is 97.5% by mass, silicone oil having a viscosity at 20 ° C. of 5.0 Pa · s is 2.5% by mass, A resin composition containing 100 parts by mass of the resin composition and 20 parts by mass of silicon carbide abrasive particles having a particle size of F100 is supplied to an extruder type melt spinning machine and melt kneaded at a temperature of 250 ° C. A circular cross-section monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1.
［比較例４］
２３８℃における粘度が１．０×１０３Ｐａ・ｓのナイロン６１２樹脂（融点：２１８℃）９０質量％、２０℃における粘度が０．１Ｐａ・ｓのシリコーンオイル５．０質量％、二硫化モリブデン粉末５．０質量％からなる樹脂配合物１００質量部と、粒度Ｆ３６の炭化ケイ素砥材粒子２０質量部とを含有する樹脂組成物を、エクストルーダー型溶融紡糸機に供給し、２００℃の温度で溶融混練した後、実施例１と同じ製造方法にて直径１．０ｍｍの円形断面モノフィラメントを得た。
[Comparative Example 4]
90% by mass of nylon 612 resin (melting point: 218 ° C.) having a viscosity at 238 ° C. of 1.0 × 10 3 Pa · s, 5.0% by mass of silicone oil having a viscosity at 20 ° C. of 0.1 Pa · s, molybdenum disulfide A resin composition containing 100 parts by mass of a resin compound composed of 5.0% by mass of powder and 20 parts by mass of silicon carbide abrasive particles having a particle size of F36 is supplied to an extruder type melt spinning machine at a temperature of 200 ° C. After melt-kneading in the above, a circular cross-sectional monofilament having a diameter of 1.0 mm was obtained by the same production method as in Example 1.
実施例および比較例の書く水準の樹脂組成物の組成と評価結果を表１に示す。 Table 1 shows the compositions and evaluation results of the resin compositions at the level written in the examples and comparative examples.
表１の結果から明らかなように、本発明の条件を満たす研磨ブラシ用毛材（実施例１〜４）は、使用時の被加工面に対する優れた研磨性、耐磨耗性、耐溶着性とを兼ね備えた毛材であることが分かる。 As is apparent from the results in Table 1, the bristle material for polishing brush (Examples 1 to 4) satisfying the conditions of the present invention has excellent abrasiveness, abrasion resistance, and welding resistance to the work surface during use. It can be seen that this is a hair material that combines
本発明の研磨ブラシ用毛材は、使用時の被加工面に対する優れた研磨性、耐磨耗性、耐溶着性とを兼ね備えているため、これを毛材の少なくとも一部に使用したロールブラシ、カップブラシ、筒状ブラシおよびホイルブラシなどの研磨ブラシは、過酷な研削環境を要求される研磨加工用途に極めて有用である。 Since the bristle material for an abrasive brush of the present invention has excellent abrasiveness, abrasion resistance, and welding resistance for the work surface in use, a roll brush using this as at least a part of the bristle material Polishing brushes such as cup brushes, cylindrical brushes, and foil brushes are extremely useful for polishing processing applications that require harsh grinding environments.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11333734A (en) * | 1998-05-28 | 1999-12-07 | Fuji Photo Film Co Ltd | Manufacture of polishing body |
| JP2001522730A (en) * | 1997-11-10 | 2001-11-20 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Surface-treated article having a convenient detachable fastener |
| JP2004025393A (en) * | 2002-06-27 | 2004-01-29 | Toray Monofilament Co Ltd | Bristle material for polishing brush |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001522730A (en) * | 1997-11-10 | 2001-11-20 | ミネソタ マイニング アンド マニュファクチャリング カンパニー | Surface-treated article having a convenient detachable fastener |
| JPH11333734A (en) * | 1998-05-28 | 1999-12-07 | Fuji Photo Film Co Ltd | Manufacture of polishing body |
| JP2004025393A (en) * | 2002-06-27 | 2004-01-29 | Toray Monofilament Co Ltd | Bristle material for polishing brush |
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