TW528659B - Anti-loading treatments - Google Patents

Abstract

An abrasive is oversized with a layer consisting essentially of an inorganic, anti-loading agent selected from the group consisting of metal silicates, silicas, metal carbonates, and metal sulfates. The metal silicates can be selected from the group consisting of magnesium silicates, potassium aluminum silicates, aluminum silicates, and calcium silicates. In one embodiment, the magnesium silicates include talc, the potassium aluminum silicates include micas, the aluminum silicates include clays, and the calcium silicates include wollastonite. The silicas can be selected from the group consisting of fused silica, fumed silica, and precipitated amorphous silica. The metal carbonates can include calcium carbonate. The metal sulfates can include hydrous calcium sulfate or anhydrous calcium sulfate.

Description

528659 A7528659 A7

發明^景 塗覆磨具是用來砂磨（sand)多種包括柔軟、難以磨发明 景 Coated abrasives are used to sand a variety of types including soft and difficult to grind

(Hrush)等之物質，像是漆塗表面。在磨飾這也 I ’㈣過早(―e)之承載，使得塗覆磨具 其最大性能。承載載係磨屑彼此結合而阻塞在磨、 2隙，因而導致磨具無法連續地對作業處理物或表面、 效研磨。在研磨工業上所使用时法，I利用像i = (亦即硬脂酸鋅、硬脂酸鈣）的化學化合物，塗佈成一七 ，或加入膠黏層（slzecoat)中，其一般意謂第—膠黏^ ^ 脂酸鹽技術提供充分清除阻塞及抗承載之特性，但:认 何’金屬硬脂酸鹽會殘留一些低表面能的渣屑 ：：： 上，這很可能會導致後處理問@，例如在 中之塗佈不完全。 立覆矛王序 這些低表面能物質所造成之污染，可經由測量砂 物上之水接觸角度（water contact angle)而檢測出。—妒 決此問題之實際方法是以溶劑拭具清潔砂磨表面，以^ 確足所有的污染物質都清理掉’或以不含硬脂酸 發明摘要 =會花費相當的時間及金錢’因此在漆塗程序 佳疋省去以溶劑拭具清潔砂磨表面的步驟。 乂 她例中，像是塗覆磨具或複合磨具之磨呈 以基本上由無機抗承載劑所組成之粗層加入外膠，、 中該層無機抗承載劑係選自由金屬矽酸鹽、二氧/匕1、(Hrush) and other substances, like lacquered surface. This is also a premature (―e) load during polishing, which makes the coated abrasive its maximum performance. The load-bearing system abrasives are combined with each other and blocked in the gap between the grinding and grinding. As a result, the grinding tool cannot continuously and efficiently grind the work treatment object or surface. When used in the grinding industry, I uses chemical compounds like i = (that is, zinc stearate, calcium stearate), coated into a seventeen, or added to a slzecoat, which generally means It is said that the tackiness technique ^ ^ The fatty acid technology provides sufficient removal of blocking and anti-loading properties, but the: Recognize that the metal stearates will leave some low surface energy slags: :: above, this is likely to cause Post-processing asks @, for example, incomplete coating. Standing Spear King Sequence Pollution caused by these low surface energy substances can be detected by measuring the water contact angle on the sand. —The practical way to solve this problem is to clean the sanded surface with a solvent wiper to make sure that all the contaminated materials are cleaned up 'or to stearic acid-free abstract of the invention = it will take considerable time and money' The lacquer application procedure eliminates the need to clean the sanded surface with a solvent swab. In her case, the abrasive such as coated abrasives or composite abrasives was added to the outer rubber with a thick layer consisting essentially of an inorganic anti-carrier, where the inorganic anti-carrier was selected from a metal silicate , Dioxin / Dagger 1,

裝Hold

-4- ,28659 A7 _B7 五、發明説明（2 ) 屬碳酸鹽以及金屬硫酸鹽組成之群中。 此層基本上由無機抗承載添加物所組成，且其音指該層 不含有具有有機成伤之添加物’例如慣用之有機抗承載添 加物’包括·有機故的金屬鹽、有機鱗酸鹽、有機碎酸、 有機硼酸鹽，以及類似物質。無論如何，其並不排除含有 硬化之黏結組份，該組份係提供塗佈無機承載劑之工具。 金屬碎酸鹽可選自由碎酸鎂、矽酸鋁鉀、矽酸銘及碎酸 鈣組成之群中’在一具體實施例中，矽酸鎂包括滑石，矽 酸铭鉀包括雲母’碎酸銘包括黏土，以及矽酸舞包括碎灰 石。二氧化矽可選自由溶碎、煙矽、以及沉澱之非晶形矽 組成之群中。金屬碳酸鹽則可包含碳酸鈣。金屬硫酸鹽可 包括含水硫酸鈣及無水硫酸鈣。 此抗承載劑，具有約低於7之莫氏硬度值，以及較佳地 ，約低於3。此抗承載劑，具有平均直徑大小約低於3 〇微 米，以及較佳地，約在1至約2 0微米範圍之間的顆粒。這 使得抗承載劑能形成足夠小的顆粒，以便於與來自砂磨表 面像是漆塗金屬表面之磨屑結合，此能預防塗覆磨具表面 形成相當之磨屑聚集而產生承載。亦即，抗承載劑顆粒大 小係能在使用塗覆磨具對漆塗表面作砂磨而產生研磨磨屑 時，抗承載劑之顆粒會釋出與之結合而防止該等磨屑顆粒 聚集之大小。 在另一具體實施例中，抗承載劑的濃度主要是集中於外 膠層（oversized layer)。舉例而言，其濃度可佔外膠層之至 少1 〇體積％，較佳則為至少約為6 〇體積0/〇。-4-, 28659 A7 _B7 V. Description of the invention (2) It belongs to the group consisting of carbonate and metal sulfate. This layer is basically composed of inorganic anti-supporting additives, and its sound means that the layer does not contain additives with organic wounds, such as the commonly used organic anti-supporting additives, including organic metal salts and organic scale salts. , Organic crushed acid, organic borate, and similar substances. In any case, it does not exclude the inclusion of a hardened cementitious component, which is a means to provide an inorganic carrier. The metal salt can be selected from the group consisting of magnesium salt, potassium aluminum silicate, calcium silicate, and calcium salt. In a specific embodiment, magnesium silicate includes talc, and potassium silicate includes mica. Inscriptions include clay, and siliceous dances include crushed limestone. Silicon dioxide can be selected from the group consisting of dissolving, fume, and precipitated amorphous silicon. Metal carbonates may include calcium carbonate. Metal sulfates can include aqueous calcium sulfate and anhydrous calcium sulfate. This anti-loading agent has a Mohs hardness value of less than about 7, and preferably, less than about 3. This anti-loading agent has particles having an average diameter of less than about 30 micrometers, and preferably, in the range of about 1 to about 20 micrometers. This allows the anti-loading agent to form particles small enough to be combined with abrasive debris from the sanded surface, such as a lacquered metal surface, which prevents the formation of a load of abrasive particles on the coated abrasive surface. That is, the particle size of the anti-carrier agent is such that when the coating surface is used to sand the lacquer-coated surface to produce abrasive wear debris, the anti-carrier agent particles will be released to prevent them from aggregating. size. In another embodiment, the concentration of the anti-carrier agent is mainly concentrated in an oversized layer. For example, the concentration may be at least 10% by volume of the outer rubber layer, preferably at least about 60% by volume.

528659 A7 B7528659 A7 B7

柷承載劑較佳是分散在黏合劑中，舉例而言，包括熱塑 性或熱固性樹脂。舉例而言，熱塑性樹脂可包括乳膠，以 及熱固性樹脂可選自由腸醛樹脂、酚醛樹脂、環氧樹脂、 胺基甲酸乙酯、以及可放射硬化之樹脂系列組成之群中。 亦可提供一種磨具像是塗覆磨具或複合磨具，其包括具 有第一表面之背層（backing layer*);具有配置在背層第一表 面之多種磨料顆粒之磨料層；以及，一基本上由配置在磨 料層上之無機抗承載劑所組成之料層。在一具體實施例中 ’抗承載劑是配置在硬化的塗覆顆粒上。 本發明亦提供一種製成磨具像是塗覆磨具或複合磨具之 方法，其包括將多種磨料顆粒黏附在背層之第一表面上； 以及，將一基本上由抗承載劑所組成之物質配置在磨料顆 粒上。 圖形簡述The rhenium carrier is preferably dispersed in a binder, and includes, for example, a thermoplastic or thermosetting resin. For example, the thermoplastic resin may include latex, and the thermosetting resin may be selected from the group consisting of enteric resin, phenol resin, epoxy resin, urethane, and radiation-curable resin series. An abrasive article such as a coated abrasive article or a composite abrasive article may also be provided, which includes a backing layer * having a first surface; an abrasive layer having a plurality of abrasive particles disposed on the first surface of the backing layer; and, A material layer consisting essentially of an inorganic anti-supporting agent disposed on the abrasive layer. In a specific embodiment, the ' anti-carrier is disposed on the hardened coated particles. The invention also provides a method for making an abrasive article such as a coated abrasive article or a composite abrasive article, which comprises adhering a plurality of abrasive particles on a first surface of a backing layer; The substance is arranged on the abrasive particles. Graphic brief

削文以及本發明其他目的、特性及優點，將由以下更特 足之本發明較佳具體實施例之描述，變得更顯而易見。附 塗覆磨具通常包含將磨粒黏攙在支撐背層上之產品，其 可用來研磨或磨損掉其所使用之物品表面。 塗覆磨具之支撐背層可以是剛體，但是一般而言，其是 可撓性，並且，典型地會包含一物料，像是紙張、衣料、 纖維墊、聚合膜、硫化纖維，或是該等材料之組合物及其 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 528659 A7 B7 五、發明説明 類似物。在-些應用上’支撑背層開始是包括集中 纖維，並使用或不使用另外的黏合材料’將磨料砂^加入 ’使砂粒遍佈在研磨網中。若不含黏附用的黏合劑广貝:可 壓縮已集中的鬆散纖維及砂粒，或去 # &女 '有右含有黏合劑則加 以固定或硬化，以形成塗覆磨具。 磨料砂粒通常可以任何能夠對製品研磨的材料，典型 上，其包含砂粒、隧石、金剛石、像是氧化錯的金屬氧化 物、鋅化鋁、鋁陶竞、金鋼鑽⑷⑽⑽幻、碳化矽、石榴石 (garnet)、鐵丹（rouge)、磨米粉（cr〇cus)以及其類似物質。田典 型的砂粒都具有少銳的邊緣，以擔任研磨的功能，但是， 1銳邊緣（質與量係依其用途而定。砂粒可以嵌埋入或挽 合入支撐背層+，但是較典型的，是以適合的黏接材料黏 附在支撐背層上。砂粒可以特定型態塗佈於或攙合於織網 上，或是隨機性地分佈。典型上，都會採用詳盡的量測， 以確定塗覆磨具上有固定之砂粒，其在一層或多層中有粒 狀切割邊緣適切地分佈著。 黏接材料通常可以是，可將砂粒黏附在支撐背層上，並 且可以使研磨不至於典效之任何合宜材料，典型的黏接材 料包括酚醛樹脂、黏膠、清漆、環氧樹脂，丙烯酸酯、多 功旎丙烯酸酯、脲醛樹脂、三功能胺基甲酸酯、聚胺基甲 酉父酯樹脂、漆、釉、以及任何具有可使砂粒穩固黏附在支 4月層上之也力之多種其他材料。通常，黏接材料會謹慎 地加以選擇，使得塗覆磨具能發揮其最大效能，以完成所 包含的研磨表面。小心地選擇黏接材料，使得不會在因為 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公嫠) ^28659The text and other objects, features, and advantages of the present invention will become more apparent from the following description of a more specific preferred embodiment of the present invention. Coated abrasives typically include products that adhere abrasive particles to a supporting backing layer, which can be used to grind or wear away the surface of the article they are used in. The backing layer of the coated abrasive can be a rigid body, but in general, it is flexible and typically contains a material such as paper, clothing, fiber mats, polymeric films, vulcanized fibers, or the The composition of other materials and its paper size are applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 528659 A7 B7 V. Analogous description of the invention. In some applications, the 'supporting backing layer initially includes concentrated fibers, and with or without the use of additional bonding materials' to add abrasive sand ^ to spread the grit throughout the abrasive web. If it does not contain the adhesive binder: it can compress the concentrated loose fibers and grit, or it can be fixed or hardened if it contains an adhesive, to form a coated abrasive. Abrasive grit can generally be any material that can grind the product. Typically, it contains grit, tunnel stone, diamond, metal oxides such as oxidized metal, aluminum zinc, aluminum ceramic, gold and diamond diamond, silicon carbide, Garnet, rouge, crocus, and the like. Tian's typical sand grains have less sharp edges to perform the grinding function. However, 1 sharp edges (quality and quantity depend on their use. Sand grains can be embedded or pulled into the supporting back layer +, but it is more typical It is adhered to the supporting back layer with a suitable adhesive material. The sand particles can be coated or bonded on the weaving web with a specific pattern, or randomly distributed. Typically, detailed measurements are used to Make sure that there are fixed sand particles on the coated abrasive, which have granular cutting edges properly distributed in one or more layers. The bonding material can usually be that the sand particles can be adhered to the support back layer and the grinding can not be prevented. Any suitable material with typical effect, typical bonding materials include phenolic resin, adhesive, varnish, epoxy resin, acrylate, multifunctional acrylate, urea resin, trifunctional urethane, polyurethane Parent ester resins, lacquers, glazes, and any of a variety of other materials that have the ability to firmly adhere grit to the April layer. Usually, the bonding material is carefully selected so that the coated abrasive can perform its function Great performance, to complete the grinding surface included. Careful selection of self-adhesive material, such as in the present paper is not suitable for Chinese National Standard Scale (CNS) A4 size (210 X 297 well widow) ^ 28659

發明説明 過熱而引起軟化或燃燒，或同時引起此兩種情況時，而仍 能維持其足夠的黏附性。 石少粒可以黏接材料嘴霧或塗覆，並且配置在支撐背層上 或其周圍。或者，支撐背層也可以黏接材料塗覆，而隨後 再將砂粒配置於其上。許多其他形式之支撐背層、粒狀材 料、黏接材料、支撐背層上砂粒的排列方法、使砂粒及類 似物貝黏附之方法等，可由先前技藝而得知，並且，可包 含在本發明範圍之變化體中。 通#’在製造習用的塗覆磨具中，會塗佈具有黏合樹脂 之底塗層（maker coat)之背層（經前處理或不經前處理），並 在樹脂仍未乾時，將研磨砂粒塗在底塗層上，硬化黏接劑 =使砂粒固定於定位上。接著將膠黏層（基本上含有黏接 樹脂以及視需要之填料、研磨輔助劑及其類似物質）塗佈 b上並硬化之。膠黏層之基本功用，是使砂粒可固定 矣足位上，使得在對製品作研磨時，在砂粒的研磨功能耗 盡之前，砂粒不會從塗覆磨具結構中脫拔而出。在某些例 子中在膠黏層上配置一表膠層（supersize layer)，該表膠 曰之功用疋在塗覆磨具表面上置放添加物、以提供特別之 f性，像是增強研磨功能、表面潤滑性、抗靜電特性，或 疋在本發明中之抗承載特性等。通常，在使砂粒牢固定位 塗彳又磨具上，表膠層並不需扮演任何角色（但非絕對）。 添加物可以分散之方式塗佈於黏合劑（其隨後會硬化）上 ’或是以液體分散劑分散於其上，其在完全乾燥之後會將 添加物留置於表面上。在一具體實施例中，黏合劑包括熱 -8 - 、發明説明（6 ) 塑性或熱固性樹脂。舉例而言，熱塑性樹脂可包括乳膠· 以及’ 固性樹脂可選自由膽趁、驗酸、環氧樹脂、胺義甲 酸乙酯，以及可放射硬化樹脂系列組成之群中。藉由一此 添加物’不需要分散介質就可以在表面上達成黏附作用。 依照本發明，塗在膠黏層上之抗承載劑，可以選自由金 屬矽酸鹽、二氧化矽、金屬碳酸鹽.以及金屬硫酸鹽組成之 群中。金屬矽酸鹽可選自由矽酸鎂、矽酸鋁鉀、碎酸銘及 矽酸鈣組成之群中。在一具體實施例中，矽酸鎂包括滑石 ;矽酸鋁鉀包括雲母；矽酸鋁包括黏土；以及矽酸鈣^括 矽灰石。二氧化矽可選自由熔矽、煙矽，以及沉澱之非晶 形矽組成之群中。金屬碳酸鹽則可包括碳酸鈣。金屬碳酸 鹽可包括含水硫酸#5及無水硫酸妈。 依照本發明，無機抗承載劑在使用期間，會釋出微小顆 粒，孩微小顆粒能包覆因為研磨過程所製造之磨屑，因此 而能避免這些磨屑聚集形成棘手的較大顆粒而陷於塗覆磨 具表面上（也就是我們所熟知的”承载π )，此會降低其效能 :因此，塗覆磨具承載降低且並未造成由於使用習用硬脂 ^化之抗承載層所產生之問題。將具有該種添加物之低能 里材料的微粒塗膜塗於磨具表面，則除非將此塗膜清除， 否則，會使得隨後表面的漆塗或拋光工作難以進行。 在一^體實施例+，本發明之抗承載劑是相當柔軟的， 舉例而了，其具有約低於7的莫氏硬度值，以及較佳地’ ’勺低I 3 <莫氏硬度值。在一具體實施例中，該抗承載劑 ，具有平均顆粒直徑大小約小於3 〇微米，以及較 ，在 528659 A7DESCRIPTION OF THE INVENTION When overheating causes softening or burning, or both, it still maintains sufficient adhesion. The stone particles can be adhered or sprayed on the material, and can be arranged on or around the supporting backing layer. Alternatively, the supporting backing layer may be coated with an adhesive material, and then the sand particles are disposed thereon. Many other forms of supporting backing layer, granular material, adhesive material, method of arranging sand grains on supporting backing layer, method of adhering sand grains and the like are known from the prior art, and can be included in the present invention Variations in scope.通 # 'In the manufacturing of conventional coated abrasives, a backing layer (with or without pre-treatment) with a maker coat of an adhesive resin is applied, and when the resin is not dry, the The abrasive grit is coated on the undercoat layer, and the hardened adhesive = fixes the grit in place. Then, an adhesive layer (which basically contains an adhesive resin and optionally fillers, grinding aids, and the like) is coated on b and hardened. The basic function of the adhesive layer is to allow the sand particles to be fixed on the feet, so that when the product is ground, the sand particles will not be pulled out of the coated abrasive structure before the grinding function of the sand particles is exhausted. In some cases, a supersize layer is provided on the adhesive layer. The function of the super glue is to place additives on the surface of the coated abrasive to provide special f properties, such as enhanced grinding. Function, surface lubricity, antistatic properties, or anti-load bearing properties of the invention. In general, the surface rubber layer does not need to play any role (but not absolutely) on the coating and abrasive tool to firmly position the sand particles. Additives can be spread on the adhesive (which will then harden) or dispersed as a liquid dispersant, which will leave the additive on the surface after it is completely dry. In a specific embodiment, the adhesive includes a thermosetting resin, a description of the invention (6), a plastic or a thermosetting resin. For example, thermoplastic resins can include latexes and solid resins, which can be selected from the group consisting of acid test, acid test, epoxy resin, amine succinate, and radiation-curable resins. With this additive, an adhesion effect can be achieved on the surface without a dispersion medium. According to the present invention, the anti-supporting agent coated on the adhesive layer may be selected from the group consisting of metal silicate, silicon dioxide, metal carbonate, and metal sulfate. Metal silicates can be selected from the group consisting of magnesium silicate, potassium aluminum silicate, broken acid salt and calcium silicate. In a specific embodiment, magnesium silicate includes talc; potassium aluminum silicate includes mica; aluminum silicate includes clay; and calcium silicate includes wollastonite. Silicon dioxide can be selected from the group consisting of free-melting silicon, fumes, and precipitated amorphous silicon. Metal carbonates may include calcium carbonate. Metal carbonates can include aqueous sulfuric acid # 5 and anhydrous sulfuric acid. According to the present invention, during the use of the inorganic anti-loading agent, micro particles are released, and the micro particles can cover the abrasive particles produced by the grinding process, so that these abrasive particles can be prevented from agglomerating into larger particles and trapped in the coating. On the surface of the coated abrasive (also known as "bearing π"), this will reduce its effectiveness: Therefore, the coated abrasive has a reduced bearing and does not cause problems due to the use of a conventional stearinated anti-bearing layer .Applying the coating film of the particles with the low-energy material of the additive to the surface of the abrasive tool, unless the coating film is removed, it will make the subsequent surface painting or polishing difficult. +, The anti-loading agent of the present invention is quite soft. By way of example, it has a Mohs hardness value below about 7, and preferably a low I 3 < Mohs hardness value. In a specific implementation In the example, the anti-supporting agent has an average particle diameter of less than 30 microns, and the average particle diameter is less than 528659 A7.

約1至約20微米範圍之間1為抗承載劑時 粒大小’可會表現出愈佳的性能。 愈細微的顆 有一種機制，可以提供> $ #十，>，t 捉供抗承載劑無承載之特性，以防止磨屑顆粒間的彼此黏附。此方法在砂磨的過程會產生微塵 當不使用無機抗承載劑時，磨屑會較易形成球粒或較大 吟片：而歆卡在砂粒的顆粒之間，因而無法發揮有效的研 磨並且降低了塗覆磨具的壽命。使用硬脂酸產品以及使 用不含硬脂酸產品，在砂磨時產生磨屑的差異i，是顯而 易見的。 、依照本發明’在砂磨表面外膠層上抗承載劑的濃度為大 2約10體積％，大於約60積體％則是較佳的。這可確保所 含抗承載劑可充分有效地產生微塵以避免使磨屑聚集。 抗承載劑也可與其他的研磨物，像是複合（不織布）研磨 物一起使用。 大小之仝皮於鹼鎂（，X、 在以下所舉實例中，是使用標準的習用塗覆磨具，背層 材料是A重紙’而底塗層及膠黏層則包含脉醛黏合劑。在 每個實例中，研磨顆粒為p32〇氧化鋁。在該基底塗覆磨具 上，再塗上一層内抗承載添加物之外膠層。在一實例中， 不&上添加物以作為比較。在第二實例中，塗上一層含有 硬酸鋅之外膠層。以及，在其它三個實例中，塗上不同 顆粒大小之含水矽酸鎂（滑石）。添加物則以於乳膠或水中 之分散劑使用。 然後塗覆磨具以雙向打磨機對一丙烯酸面板進行六次接 -10- 7紙張尺度適财國a家鮮(CN^4規格(2—公爱)In the range of about 1 to about 20 micrometers, 1 the particle size ' of the anti-carrier agent may exhibit better performance. The finer particles have a mechanism that can provide the > $ # 十, >, t the anti-loading properties of the anti-carrier, to prevent the abrasive particles from adhering to each other. This method will produce fine dust during sand grinding. When the inorganic anti-carrier is not used, the grinding debris will more easily form pellets or large chips: but the entrapment is stuck between the particles of the sand, so it cannot play an effective grinding and Reduces the life of the coated abrasive. The use of stearic acid products and the use of stearic acid-free products, the discrepancy i in the sanding process, is obvious. According to the present invention, the concentration of the anti-carrier agent on the outer rubber layer of the sanded surface is about 2% by volume, and more than about 60% by volume is preferable. This ensures that the anti-loading agent contained is sufficiently effective to generate fine dust to avoid agglomeration of abrasive debris. Anti-loading agents can also be used with other abrasives, such as composite (non-woven) abrasives. The size is the same as that of alkali magnesium (, X, in the following examples, a standard custom coated abrasive is used, the backing material is A heavy paper ', and the undercoat and adhesive layer contain pulsaldehyde adhesive In each example, the abrasive particles were p32o alumina. The substrate was coated with an abrasive tool and then coated with a layer of internal anti-loading additives and an outer rubber layer. In one example, the additives were not & For comparison, in the second example, a layer containing a zinc stearate coating was applied. In addition, in the other three examples, hydrous magnesium silicate (talc) with different particle sizes was applied. The additives were applied to latex Or use it as a dispersant in water. Then coat the abrasive tool with a two-way sander to make six connections to an acrylic panel. -10- 7 Paper size is suitable for a country (CN ^ 4 size (2—public love))

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線 528659 A7 B7 五、發明説明（8 ) -- 觸（每一接觸為兩分鐘間隔）進行研磨。砂磨由具4 5 ^ (10-lb)承載之12.7 cm (5-inch)的砂盤來進行，切割量是經 過1 2分鐘的砂磨後所作之記綠，砂磨的性能則以對照組的 切割百分比來量測。平均表面粗糙值（Ra，粗糙度的算術 平均數）也會加以量測。結果記錄於表1中，其顯示出滑石 與習用之硬脂酸鎂同樣有效。 抗承載 物質 無 硬脂酸 鋅 含水矽酸 鎂（滑石） 含水矽酸 鎂（滑石） 含水矽酸 鎂（滑石） 項目 對照組 硬脂酸 鋅 Vertal 1500 Supreme HT Arctic Mist 抗承載 粒度中值 無 5.6微米 15微米 7微米 1.9微米 乾燥之塗覆 稱重（g/m2) 無 14.80 〜13.32 〜13.32 〜13.32 填料體積％ (抗承載劑） 益 90 81 81 81 黏合劑體積％ 無 9.05 11 11 11 切割度％ (對對 照組之百分比） 100% 136% 12 1 % 134% 137% 表面粗Μ 度，Ra (μ m) 0.46 0.41 0.46 0.46 0.46 表1Line 528659 A7 B7 V. Description of the invention (8)-grinding by touching (two-minute interval for each contact). The sanding is performed by a 12.7 cm (5-inch) sanding disc with a load of 4 5 ^ (10-lb). The cutting volume is recorded after sanding for 12 minutes. The performance of the sanding is compared with the control. The percent cut of the group was measured. The average surface roughness (Ra, the arithmetic mean of roughness) is also measured. The results are recorded in Table 1, which shows that talc is as effective as conventional magnesium stearate. Anti-loading substance: Zinc stearate, hydrous magnesium silicate (talc), hydrous magnesium silicate (talc), hydrous magnesium silicate (talc), project control group: zinc stearate Vertal 1500 Supreme HT Arctic Mist 15 micron 7 micron 1.9 micron dry coating weight (g / m2) without 14.80 ～ 13.32 ～ 13.32 ～ 13.32 filler volume% (anti-carrier) Yi 90 81 81 81 binder volume% without 9.05 11 11 11 cut% (Percent of control group) 100% 136% 12 1% 134% 137% Surface roughness, Ra (μm) 0.46 0.41 0.46 0.46 0.46 Table 1

Vertal 1500、Supreme HT 以及 Arctic Mist，為可由Luzenac America公司購得之滑石。 -11 - 本紙張尺度適用中國國家標準(CNS) A4規格(210X297公釐) 528659 A7 B7 五 、發明説明（9 ) iH 2 : 不同粒度之含水石夕酸鐵（ί骨石）’ Supreme ΗΤ 以下所列表格，是具有硬脂酸鎂的Supreme HT，以及無 抗承載劑之對照組，分別以P80、P180、P320 (各自為表2 、表3及表4)作為氧化鋁塗覆磨具之研磨性能比較。結果 顯示，與特別以細砂粒為基底之對照組相較，加入抗承載 劑之本發明，會有較高的切割度。 P80 對照組 Witco Zn-St Supreme HT 分散液 滑石 乾燥塗覆之稱重（g/m2) 無 14.80 〜13.32 填料體積％ (抗承載劑） 無 90 81 黏合劑體積％ 無 9.05 11 切割累積（g) 21.61 24.43 22.54 對對照組之切割度％ 100% 113% 104% Ra (μΐΏ) 1.88 1.96 2.05 表2 P180 對照組 Witco Zn-St Supreme HT 分散液 滑石 乾燥塗覆之稱重（g/m2) 無 14.80 〜13.32 填料體積％ (抗承載劑） 無 90 81 黏合劑體積％ 無 9.05 11 切割累積（g) 15.87 23.5 19.76 對對照組之切割度％ 100% 148% 125% Ra μηι 0.84 0.89 0.89 表3 -12- 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐） 528659 A7 B7 五、發明説明 P320 對照組 Witco Zn-St Supreme HT 分散液 滑石 乾燥塗覆之稱重（g/m2) 無 14.80 〜13.32 填料體積％ (抗承載劑） 無 90 81 黏合劑體積％ 無 9.05 11 切割累積（g) 7.75 13.51 12.93 對對照組之切割度0/〇 100% 174% 167% Ra (μπι) 0.46 0.41 0.43 表4 例3 :無定开彳於、切鹼鈣（矽灰石）、矽酸鋁（黏土）、矽致 钾鋁（雪母） 使用習用之標準P320砂粒，A重紙氧化鋁塗覆磨具。在 此基底塗覆磨具上，塗上一包含無定形矽、矽酸鈣（矽灰 石）、矽酸鋁（黏土），或矽酸鉀鋁（雲母）中之一種抗承載添 加物之外膠層在敘述於以下表5中之砂磨結果顯示，相較 於控制組，加入抗承載劑之本發明會有較高的切割度。 -13 - 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 528659 A7 B7 五、發明説明（11 ) 抗承載y 物質 血 無定 形矽 矽酸鈣 無水珍酸鋁 (黏土） 含水碎酸 鋁(黏土） 含树酸鉀 铭(雲母） 項目 對照組 MN- 23 Wollastonite Optiwhite Burgess 17 Mica 325 乾燥塗覆之 稱重(g/m2) 無 4.44 51.80 7.40 16.28 2.96 填料體積％ (抗承載劑） 81 83 80 79 79 黏合劑體積％ 無 12 10 12 12 12 對對照組之 切割度％ 100% 16 1 % 113% 179% 113% 149% 表面粗糙 度，Ra(pm) 0.61 0.51 0.43 0.53 0.61 0.38 表5 MN-23是來自於Eagle Pitcher的無定形石夕。 矽灰石325是可由NYCO Minerals公司購得之矽酸鈣。 Optiwhite是來自於 Burgess Company之黏土。 Burgess 17是可由 Burgess Company購得之黏土。 Mica 325是可由 Oglebay Norton Specialty Minerals之雲母。 例4 : 硫酸姜弓（無水及含水） 使用習用之標準P320砂粒，A重紙之氧化鋁塗覆磨具。 在此基底塗覆磨具上，塗上一包含有硫酸鈣（無水及含水） 抗承載添加物之外膠層。在敘述於以下表6中之砂磨結果 -14- 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 528659 A7 B7 五 、發明説明（12 ) 顯示，相較於控制組，加入抗承載劑之本發明會有較高的 切割度。 抗承載物質 無水硫酸鈣 含水硫酸鈣 項目 控制組 SNOW WHITE TERRA ALBA 乾燥塗覆之稱重（g/m2) 無 34.04 29.60 填料體積％ (抗承載劑） 無 76 82 黏合劑體積％ 無 14 9 對對照組之切割％ 100% 153% 141% 表面粗糙度Ra (μπι) 0.51 0.41 0.43 表6 SNOW WHITE是可由 United States Gypsum Company購得之 無水硫酸鈣。 TERRA ALBA是可由 United States Gypsum Company購得之 含水硫酸鈣。 例5 :砂磨後砂塗面板之水接觸角度 以例1至例4中所述，有P320砂粒之外膠層，對初層面板 (primer panels)加以砂磨。使用各種塗覆磨具，進行相同的 砂磨過程。然後將一滴水滴於每一剛研磨過的面板及未經 砂磨面板上，記錄圖中所述之接觸角度（㊀）。接觸角度是 介於液體表面與固體面板表面之間，接觸線的角度。較不 潮濕者會示出較大接觸角。結果顯示於表7中，其可以清 楚地看出，以根據本發明之塗覆磨具砂磨之面板，基本上 有同於或低於以無抗承載層之塗覆磨具之接觸角。具有習 -15- 本紙張尺度適用中國國家槺準(CNS) A4規格(210 X 297公釐)Vertal 1500, Supreme HT and Arctic Mist are talc available from Luzenac America. -11-This paper size is in accordance with Chinese National Standard (CNS) A4 specification (210X297 mm) 528659 A7 B7 V. Description of the invention (9) iH 2: Water-bearing iron ferrite (ί bone stone) of different particle sizes' Supreme ΗΤ or less The tables listed are Supreme HT with magnesium stearate, and a control group without anti-carrier, using P80, P180, P320 (Tables 2, 3 and 4 respectively) as the alumina coated abrasives. Comparison of grinding performance. The results show that the present invention, with the addition of an anti-bearing agent, has a higher cutting degree than the control group, which is especially based on fine sand particles. P80 Control Witco Zn-St Supreme HT Dispersion Liquid Talc Dry Coating Weight (g / m2) None 14.80 ～ 13.32 Filler volume% (anti-carrier) No 90 81 Binder volume% No 9.05 11 Cumulative cutting (g) 21.61 24.43 22.54 Cutting rate to control group 100% 113% 104% Ra (μΐΏ) 1.88 1.96 2.05 Table 2 P180 Control group Witco Zn-St Supreme HT dispersion talc dry coating weight (g / m2) No 14.80 ～ 13.32 Filler volume% (anti-loading agent) No 90 81 Binder volume% No 9.05 11 Cumulative cutting (g) 15.87 23.5 19.76 Cut% of control group 100% 148% 125% Ra μη 0.84 0.89 0.89 Table 3 -12 -This paper size is applicable to Chinese National Standard (CNS) A4 (210 X 297 mm) 528659 A7 B7 V. Description of the invention P320 Control group Witco Zn-St Supreme HT dispersion liquid talc dry coating weight (g / m2) No 14.80 ～ 13.32 Filler volume% (anti-loading agent) No 90 81 Binder volume% No 9.05 11 Cumulative cutting (g) 7.75 13.51 12.93 Cutting degree to the control group 0 / 〇100% 174% 167% Ra (μπι) 0.46 0.41 0.43 Table 4 Example 3: Uncertain opening and closing, alkali-cut calcium (wollastonite), aluminum silicate (clay), silicon-induced potassium aluminum (mother) Use standard P320 grit, A heavy paper alumina coated abrasive. The substrate coated abrasive is coated with an anti-loading additive containing amorphous silicon, calcium silicate (wollastonite), aluminum silicate (clay), or potassium aluminum silicate (mica) The sanding results of the adhesive layer described in Table 5 below show that the present invention has a higher cutting degree than the control group when the anti-carrier agent is added. -13-This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) 528659 A7 B7 V. Description of the invention (11) Anti-carrying substance y Substance blood amorphous calcium silicate anhydrous calcium aluminum silicate (clay) Aqueous crushed aluminum (clay) Contains potassium citrate (mica) Project control group MN-23 Wollastonite Optiwhite Burgess 17 Mica 325 Dry coating weight (g / m2) None 4.44 51.80 7.40 16.28 2.96 Filling volume% (resistance to load) Agent) 81 83 80 79 79 vol% of adhesive 12 12 12 12 12 cutting rate of control group 100% 16 1% 113% 179% 113% 149% surface roughness, Ra (pm) 0.61 0.51 0.43 0.53 0.61 0.38 Table 5 MN-23 is an amorphous stone eve from Eagle Pitcher. Wollastonite 325 is a calcium silicate commercially available from NYCO Minerals. Optiwhite is a clay from Burgess Company. Burgess 17 is a clay available from Burgess Company. Mica 325 is a mica available from Oglebay Norton Specialty Minerals. Example 4: Ginger sulfate sulfate (anhydrous and water-containing) Use standard P320 grit, A heavy paper coated aluminum oxide abrasive. On this base-coated abrasive article, a glue layer containing calcium sulfate (anhydrous and water-containing) anti-loading additives is applied. The sanding results described in Table 6 below 14- This paper size applies the Chinese National Standard (CNS) A4 (210 X 297 mm) 528659 A7 B7 V. The description of the invention (12) shows that compared with the control group , The present invention will have a higher degree of cutting by adding an anti-loading agent. Anti-loading substance Anhydrous calcium sulfate Anhydrous calcium sulfate Project control group SNOW WHITE TERRA ALBA Dry coating weighing (g / m2) No 34.04 29.60 Filler volume% (Anti-loading agent) No 76 82 Binder volume% No 14 9 Control Cut% of the group 100% 153% 141% Surface roughness Ra (μπι) 0.51 0.41 0.43 Table 6 SNOW WHITE is an anhydrous calcium sulfate available from the United States Gypsum Company. TERRA ALBA is an aqueous calcium sulfate available from the United States Gypsum Company. Example 5: Water contact angle of sand-coated panel after sanding As described in Examples 1 to 4, there is an adhesive layer other than P320 grit, and the primary panels are sanded. The same sanding process was performed using various coated abrasives. Then drop a drop of water on each of the freshly polished and unsanded panels, and record the contact angle (㊀) described in the figure. The contact angle is the angle of the contact line between the liquid surface and the solid panel surface. Those who are less humid will show a larger contact angle. The results are shown in Table 7. It can be clearly seen that the panel sanded with the coated abrasive according to the present invention has substantially the same or lower contact angle as the coated abrasive without the anti-load bearing layer. Have Xi -15- This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)

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線 528659 A7 B7 五、發明説明（13 ) 用硬脂酸鋅抗承載層之塗覆磨具，明顯地會沉積低表面能 的渣屑，此可由相當高的水接觸角度可看出。其結果是， 在漆塗這樣的表面時，表面不會很快濕潤塗佈，而導致表 面的漆塗不完全。 抗承載 無 硬脂 含水咬酸鋁 含树酸却 矽酸鈣 無水 物質 酸鋅 (滑石） 铭(雲土） 硫酸妈 項目 控制組 硬脂 Supreme Mica 325 Wollast- SNOW 酸鋅 HT onite WHITE 乾燥塗覆之 無 14.80 〜7·40-17·76 2.96 51.80 34.04 稱重(g/m2) 填料體積％ 無 90 81 79 83 76 (抗承載劑） 黏合劑體積％ 無 9.05 11 12 10 14 水接觸角度 115 140 114 119 86 107 (度） 表7 不經砂磨的面板上，水接觸角度的是6 9度。 雖然本發明已經以文中相關的較佳具體實施例特別加以 圖示及描述，但熟諳此藝者應瞭解的是，可由本發明進行 各種更改，而其並未偏離由所附申請專利範圍所包含之本 發明範圍。 -16- 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)Line 528659 A7 B7 V. Description of the invention (13) Coating abrasive tools with zinc stearate anti-load bearing layer will obviously deposit slag with low surface energy, which can be seen from the relatively high water contact angle. As a result, when such a surface is lacquered, the surface is not wet-coated quickly, resulting in incomplete lacquering of the surface. Anti-load-bearing stearin-free water-containing aluminum bitate containing dendritic acid but calcium silicate anhydrous zinc acid (talc) Ming (unclay) Sulfate sulfate project control group Supreme Mica 325 Wollast- SNOW Zinc Acid HT onite WHITE Dry coated No 14.80 ~ 7 · 40-17 · 76 2.96 51.80 34.04 Weighing (g / m2) Filler volume% No 90 81 79 83 76 (Anti-loading agent) Binder volume% No 9.05 11 12 10 14 Water contact angle 115 140 114 119 86 107 (degrees) Table 7 The angle of water contact on the panel without sanding is 69 degrees. Although the present invention has been particularly illustrated and described with the relevant preferred embodiments in the text, those skilled in the art should understand that various changes can be made to the present invention without departing from the scope of the attached patent application. The scope of the invention. -16- This paper size applies to China National Standard (CNS) A4 (210X 297mm)

Claims (1)

528659 A B c D ‘申請專利範圍 1 · 種以一基本上由無機抗承載劑所組成之料層加入外膠 層（oversized)之磨具，該無機抗承載劑係選自由金屬矽 酸睡 一 AT 现、二氧化矽、金屬碳酸鹽以及金屬硫酸鹽組成之 群中。 根據申凊專利範圍第1項之磨具，其中該金屬碎酸鹽係選 自由續酸鎂、矽酸鋁鉀、矽酸鋁及矽酸鈣組成之群中。 3·根據申請專利範圍第2項之磨具，其中該矽酸鎂包括滑石。 4·根據申請專利範圍第2項之磨具，其中該矽酸鋁鉀包括雲 母〇 5·根據申請專利範圍第2項之磨具，其中該矽酸鋁包括黏土。 裝 6·根據申請專利範圍第2項之磨具，其中該矽酸鈣包括矽灰 〇 7·根據申請專利範圍第丨項之磨具，其中該二氧化矽係選自 由熔矽、煙矽以及沉澱之非晶形矽組成之群中。 8·根據申請專利範圍第丨項之磨具，其中該金屬碳酸鹽包含 碳酸鈣。 ^ 9·根據申請專利範圍第丨項之磨具，其中該金屬硫酸鹽包含 含水硫酸鈣及無水硫酸鈣。 " 10. 根，申請專利範圍第1項之磨具，其中該抗承載劑具有 約是低於7的莫氏硬度值。 八 11. 根據申請專利範圍第之磨具，其中該抗承載劑平均 顆粒直徑大小約小於3 〇微米。 戶 / 12. 根據申請專利範圍第"項之磨具，其中該抗承栽平均顆 粒直徑大小在1至2 0微米範圍之内。 =顆 -17 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐） 六、申請專利範圍 13.根據申請專利範圍第1項之磨具，其中該抗承載劑係主 要集中於外膠層（oversized layer)。 14·根據申請專利範圍第i項之磨具，其中該抗承載劑佔外 膠層之至少1 0體積％。 15·根據申請專利範圍第14項之磨具，其中該抗承載劑佔外 膠層之至少6 0體積0/〇。 16·根據申請專利範圍第丨項之磨具，其中該抗承載劑顆粒 <大小係能在使用塗覆磨具對漆塗表面作砂磨而產生研 磨磨屑時，抗承載劑之顆粒會釋出與之結合，而防止該 等磨屑顆粒聚集之大小。 X 17. 根據申請專利範圍第}項之磨具，其中該磨具是選自由塗 覆磨具或複合磨具組成之群中。 18. 根據申請專利範圍第i項之磨具’其中該抗承載劑係分 散於黏合劑中。 19. 根據申請專利範圍第18項之磨具，其中該黏合劑包括埶 塑性或熱固性樹脂》 ‘' 20. 根據申請專利範圍第19項之磨具，其中該熱塑性樹脂包 括乳膠。 儿根據申請專利範圍第19項之磨具，其中該熱固性樹μ 選自由制、㈣、環氧、胺基甲酸乙酿以及可放射硬 化之樹脂系列組成之群中。 22· —種磨具，其包含： 一背層，其具有一第一表面； •一磨料層，其具有多種磨料顆粒配置在背層第—表 -18- 本紙張尺度適用中國國家標準(CNS) Α4規格(210 X 297公釐) 528659 A B c D 、申請專利範圍 ® 1 :以及 一基本上由配置在磨料層上之無機抗承載劑所組成 之料層。 23·根據申請專利範圍第22項之磨具，其中該抗承載劑係選 自由金屬矽酸鹽、二氧化矽、金屬碳酸鹽以及金屬硫酸 鹽組成之群中。 24.根據申明專利範圍第2 3項之磨具，其中該金屬碎酸鹽係 選自由矽酸鎂、矽酸鋁鉀、矽酸鋁及矽酸鈣組成之群中。 25·根據中請專利範圍第22項之磨具，其中該抗承載劑顆粒 之大小係能在使用塗覆磨具對漆塗表面作砂磨而產生研 磨磨屑時，抗承載劑之顆粒會釋出與之結合，而防止該 等磨屑顆粒聚集之大小。 μ 26· —種製備磨具之方法，其包含： 將多種磨料顆粒黏附在背層之第一表面上；以及 將基本上由抗承載劑所組成之料層配置在磨料上 ，其中該抗承載劑係選自由金屬矽酸鹽、二氧化矽、 金屬碳酸鹽以及金屬硫酸鹽組成之群中。 27. 根據中請專圍第則之方法，其中該金 選自由㈣鎂、料_、料銘及料敎成之群;係 28. 根據申清專利範圍第”項之方法，其中該矽酸鎂包括严 石0 29. 根據申請專利範圍第26項之方法，其另外包含從莫 度值約低於7的物料中，選出製備抗承載劑之步驟。 30. 根料請專利範圍第26項之方法，其另外包含從平均顆 -19- 本紙張尺度適用中國國豕標準(CNS) Α4規格(210X297公董） 528659 Λ BCD -----—-- 六、申請專利範圍 粒大小約低於3 0微米的物料中， 驟。 選出製備抗承載劑之步 •根據申請專利範圍第26項之方法，其另外包含製備磨具 的砂磨表面且抗承載劑主要是在其上之步驟。 32.根據中請專利範圍第26項之方法，其另外包含將抗承載 劑分散於黏合劑中之步驟，該黏合劑包括熱塑性 性樹脂。 U 20- 本紙張尺度適用中國國家標準(CNS) A4規格(210 x 297公釐) " " -----528659 AB c D 'Applicable patent scope 1 · An abrasive tool with an oversized layer consisting of a material layer consisting essentially of an inorganic anti-carrier, the inorganic anti-carrier is selected from metal silicic acid-AT Group consisting of silicon dioxide, metal carbonates and metal sulfates. The abrasive tool according to claim 1 of the patent scope, wherein the metal salt is selected from the group consisting of free continuous magnesium, potassium aluminum silicate, aluminum silicate and calcium silicate. 3. The abrasive article according to item 2 of the scope of patent application, wherein the magnesium silicate includes talc. 4. The abrasive tool according to item 2 of the scope of patent application, wherein the potassium aluminum silicate includes mica. 05. The abrasive tool according to item 2 of the scope of patent application, wherein the aluminum silicate includes clay. 6. The abrasive tool according to item 2 of the scope of the patent application, wherein the calcium silicate includes silica ash. The abrasive tool according to item 丨 of the scope of the patent application, wherein the silicon dioxide is selected from the group consisting of fused silicon, fumed silicon, and A group of precipitated amorphous silicon. 8. The abrasive article according to the scope of claim 1, wherein the metal carbonate comprises calcium carbonate. ^ 9. The abrasive tool according to item 丨 of the patent application scope, wherein the metal sulfate includes hydrous calcium sulfate and anhydrous calcium sulfate. " 10. Roots, patented article 1 of the abrasive article, wherein the anti-loading agent has a Mohs hardness value of less than about 7. 8. 11. The abrasive article according to the scope of patent application, wherein the average particle diameter of the anti-carrier agent is less than about 30 microns. / 12. The abrasive tool according to item " of the scope of patent application, wherein the average particle diameter of the anti-supporting plant is in the range of 1 to 20 microns. = -17 This paper size applies to Chinese National Standard (CNS) A4 specifications (210 X 297 mm) 6. Application for patent scope 13. Abrasive tools according to item 1 of patent application scope, where the anti-carrier agent is mainly concentrated in Oversized layer. 14. The abrasive article according to item i of the application, wherein the anti-loading agent accounts for at least 10% by volume of the outer rubber layer. 15. The abrasive article according to item 14 of the scope of application for a patent, wherein the anti-loading agent occupies at least 60 volume 0/0 of the outer rubber layer. 16. The abrasive article according to item 丨 of the scope of the patent application, wherein the anti-carrier agent particles < size are such that when the coated surface is used to sand the paint-coated surface to produce abrasive wear debris, the anti-carrier agent particles will Releases the size that is combined with it to prevent the abrasive particles from aggregating. X 17. The abrasive article according to item} of the patent application scope, wherein the abrasive article is selected from the group consisting of a coated abrasive article or a composite abrasive article. 18. The abrasive article ' according to item i of the application, wherein the anti-carrier agent is dispersed in an adhesive. 19. An abrasive article according to item 18 of the scope of the patent application, wherein the adhesive includes 埶 plastic or thermosetting resin "" '20. An abrasive article according to the scope of claim 19, wherein the thermoplastic resin includes latex. The abrasive tool according to item 19 of the scope of the patent application, wherein the thermosetting tree μ is selected from the group consisting of a system of resin, epoxy resin, urethane, and radiation-hardenable resin. 22 · —A kind of abrasive, comprising: a backing layer having a first surface; • an abrasive layer having a plurality of abrasive particles arranged on the backing layer—Table-18— The paper dimensions are applicable to the Chinese National Standard (CNS ) A4 size (210 X 297 mm) 528659 AB c D, patent application scope ® 1: and a material layer composed of an inorganic anti-supporting agent arranged on the abrasive layer. 23. The abrasive article according to item 22 of the scope of patent application, wherein the anti-carrier agent is selected from the group consisting of free metal silicate, silicon dioxide, metal carbonate and metal sulfate. 24. The abrasive tool according to Item 23 of the declared patent scope, wherein the metal salt is selected from the group consisting of magnesium silicate, potassium aluminum silicate, aluminum silicate, and calcium silicate. 25. The abrasive article according to item 22 of the patent claim, wherein the size of the anti-carrier particles is such that when the coated surface is sanded by a coated abrasive to generate abrasive debris, the anti-carrier particles will Releases the size that is combined with it to prevent the abrasive particles from aggregating. μ 26 · —A method for preparing an abrasive article, comprising: adhering a plurality of abrasive particles to a first surface of a back layer; and disposing an abrasive layer consisting essentially of an anti-loading agent on the abrasive, wherein the anti-loading The agent is selected from the group consisting of metal silicate, silicon dioxide, metal carbonate and metal sulfate. 27. According to the method of the Chinese patent, wherein the gold is selected from the group consisting of magnesium, material, material, and material; 28. The method according to item "Scope of claim for clearing patents", wherein the silicic acid Magnesium includes Yan Shi 0. 29. The method according to item 26 of the scope of patent application, which additionally includes the step of selecting an anti-carrier agent from materials having a degree of fretting value of less than about 7. 30. Please refer to item 26 of the patent scope Method, which also includes the average size of -19- this paper size applies Chinese National Standard (CNS) Α4 specifications (210X297 public directors) 528659 Λ BCD ----- --- 6. the scope of patent application grain size is about low In a 30 micron material, the step of selecting the anti-carrier agent is selected. • According to the method of the patent application scope item 26, it further includes the step of preparing the sanded surface of the abrasive tool and the anti-carrier agent is mainly on it. 32. The method according to item 26 of the patent application, which further comprises the step of dispersing an anti-carrier agent in a binder, the binder comprising a thermoplastic resin. U 20- This paper size applies Chinese National Standard (CNS) A4 Specifications (210 x 297 mm) " & q uot; -----