WO2007139097A1 - Polishing roll and method for manufacturing the polishing roll - Google Patents

Polishing roll and method for manufacturing the polishing roll Download PDF

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Publication number
WO2007139097A1
WO2007139097A1 PCT/JP2007/060880 JP2007060880W WO2007139097A1 WO 2007139097 A1 WO2007139097 A1 WO 2007139097A1 JP 2007060880 W JP2007060880 W JP 2007060880W WO 2007139097 A1 WO2007139097 A1 WO 2007139097A1
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WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
polishing roll
abrasive
resin
polishing
Prior art date
Application number
PCT/JP2007/060880
Other languages
French (fr)
Japanese (ja)
Inventor
Junichiro Yamamoto
Ryo Kawamoto
Yu Shimizu
Yutaka Seto
Original Assignee
Kure Grinding Wheel Co., Ltd.
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
Priority to JP2006148601A priority Critical patent/JP2007313621A/en
Priority to JP2006-148601 priority
Application filed by Kure Grinding Wheel Co., Ltd. filed Critical Kure Grinding Wheel Co., Ltd.
Publication of WO2007139097A1 publication Critical patent/WO2007139097A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
    • B24D11/00Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
    • B24D11/001Manufacture of flexible abrasive materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING, OR SHARPENING
    • B24D13/00Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor
    • B24D13/02Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery
    • B24D13/12Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor acting by their periphery comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/22Secondary treatment of printed circuits
    • H05K3/26Cleaning or polishing of the conductive pattern

Abstract

This invention provides a polishing roll that can reduce the occurrence of consumption waste produced upon polishing of an object having a small throughhole such as a printed wiring board with a throughhole and can reduce clogging of the hole with consumption waste. The polishing roll (50) comprises a base material formed of an nonwoven fabric (12) formed by three-dimensionarily crossing synthetic fibers (14) having a fiber diameter of 10 µm to 36 µm and bonding cross points among the synthetic fibers (14) with a binder resin (16). The nonwoven fabric (12) is fixed with a synthetic resin-based adhesive (20) into which abrasive grains (18) have been dispersed and mixed. The nonwoven polishing material (10) is shaped into a rectangular form, for example, by cutting, is fixed by compressing, and is then integrally provided on the outer periphery surface of a core material (52) with a synthetic resin.

Description

 Specification

 Polishing roll and method for producing the same

 Technical field

 [0001] The present invention relates to a polishing roll using a nonwoven fabric abrasive and a method for producing the same, which is optimal for polishing an object to be polished having small through holes or non-through holes, such as a printed wiring board. The present invention relates to a roll and a manufacturing method thereof.

 Background art

 Conventionally, a polishing roll such as that disclosed in Patent Document 1 has been used for polishing printed wiring boards, plate-like metal materials such as copper and aluminum. These polishing rolls are made by arranging a large number of rectangular non-woven fabric abrasives, which are made of nylon non-woven fabric with abrasive particles fixed on the outer peripheral surface of a cylindrical core material, and integrating them using an adhesive. A plurality of non-woven abrasives cut into a donut shape are pierced through a cylindrical core and integrated in a compressed state in the axial direction of the core, or a long non-woven abrasive is used as the core It is made by winding it on the outer peripheral surface and integrating it with a binder resin. With these abrasive rolls, new abrasive layers come out one after another as the non-woven abrasive is consumed, and the polishing performance is sustained. Polishing that occurs with less fouling due to shavings of the work piece due to the fact that it is possible to obtain a uniform and constant roughness processed surface with good compatibility and little scratches, and due to its open three-dimensional structure Point power to release heat is often used.

 Patent Document 1: Japanese Patent Application Laid-Open No. 2003-175471

 Disclosure of the invention

 Problems to be solved by the invention

[0003] However, in these conventional polishing rolls, when a workpiece to be polished such as a printed wiring board that is small and provided with a through hole is polished, consumable debris that has generated a polishing roll force is generated in the hole. This leads to poor energization and poor yield when the plating is defective.

[0004] The present invention has been invented in view of the above problems, and is a printer provided with a through hole. It is an object of the present invention to reduce consumable debris generated when polishing an object to be polished that has small through holes or non-through holes such as a wiring board, and to reduce hole clogging due to consumable debris.

Means for solving the problem

(1)

 Abrasive grains are dispersed and mixed into a non-woven fabric substrate that is obtained by three-dimensionally entanglement of synthetic fibers and bonding the entanglement points of the synthetic fibers with a binder resin, and are fixed using a synthetic resin adhesive. A polishing roll using a non-woven fabric abrasive, wherein the synthetic fiber has a fiber diameter of 5 m to 36 μm.

(2)

 The non-woven fabric abrasive is rectangular, and a plurality of non-woven fabric abrasives are juxtaposed, compressed and fixed in the juxtaposed direction, wound around a cylindrical core material, and then the non-woven fabric abrasives compressed and fixed at that time are made of synthetic resin. Formed by impregnating and further fixing and integrating the nonwoven fabric abrasive

(1) The polishing roll as described.

 (3)

 Compression in the juxtaposition direction is carried out at a rate of 95-20%, and the non-woven abrasive material impregnated with synthetic resin is allowed to stand for 3-24 hours at room temperature to 60 ° C, and then fixed and integrated (2 ) Manufacturing method of the polishing roll.

 (Four)

 The nonwoven fabric abrasive material is doughnut-shaped, and the nonwoven fabric abrasive material is pierced into the core material and compressed and fixed in the axial direction of the core material. At that time, the nonwoven fabric abrasive material is impregnated with synthetic resin, and the nonwoven fabric abrasive material is fixed. The polishing roll according to (1), wherein the polishing roll is formed by wrinkling and uniting.

(Five)

 The core is compressed in the axial direction at a rate of 95 to 20%, and the nonwoven fabric impregnated with synthetic resin is fixed for 3 to 24 hours at room temperature to 60 ° C. (4) The method for producing a polishing roll according to (4).

(6)

The nonwoven fabric abrasive is long, and the nonwoven fabric abrasive is applied to the core material to form a cylindrical core material. The polishing roll according to (1), which is formed by compressing and fixing, impregnating a non-woven fabric abrasive with a synthetic resin, and fixing and integrating the non-woven fabric abrasive.

 (7)

 The compression is performed at a rate of 95 to 20%, and the nonwoven fabric abrasive material impregnated with the synthetic resin is fixed and integrated by leaving it at room temperature to 60 ° C for 3 to 24 hours. How to make a roll.

 (8)

 The polishing roll according to any one of (1) to (7), wherein the synthetic resin is urethane resin or urethane foam resin.

 (9)

 The synthetic resin adhesive is an abrasive roll according to any one of (1) to (8), wherein the epoxy resin, phenol resin, or a mixture of epoxy resin and phenol resin. The invention's effect

 [0006] The polishing roll according to the present invention generates less consumable debris even when an object to be polished having a small through hole or non-through hole is polished, such as a printed wiring board. As a result, the yield in the polishing process of the workpiece having holes is improved.

 Brief Description of Drawings

 [0007] FIG. 1 is a perspective view showing an embodiment of a nonwoven fabric abrasive used in the present invention.

 FIG. 2 is an enlarged illustrative view showing a part of the nonwoven fabric abrasive shown in FIG.

 FIG. 3 is a partially enlarged perspective view illustrating an embodiment of a polishing roll according to the present invention.

 FIG. 4 is an illustrative view showing a production procedure of an abrasive roll according to the present invention, in which (a) shows a state in which rectangular nonwoven fabric abrasives are juxtaposed, and (b) shows a juxtaposed nonwoven fabric abrasive material. (C) is a diagram showing a state in which a nonwoven fabric abrasive that has been compressed and fixed is wound around a core material.

 FIG. 5 is an illustrative view showing another embodiment of a polishing roll according to the present invention.

FIG. 6 is an illustrative view showing still another embodiment of a polishing roll according to the present invention. Explanation of symbols

 [0008] 10 Nonwoven abrasive

 10a Non-woven abrasive material compression-fixed

 12 Nonwoven substrate

 14 Synthetic fiber

 16 Binder resin

 18 abrasive grains

 20 Synthetic resin adhesive

 50 Abrasive roll

 52 Core

 BEST MODE FOR CARRYING OUT THE INVENTION

FIG. 1 is a perspective view showing an embodiment of the nonwoven fabric abrasive used in the present invention, and FIG. 2 is an enlarged view of a part of the nonwoven fabric abrasive shown in FIG. . The nonwoven fabric abrasive 10 includes a nonwoven fabric substrate 12. The nonwoven fabric substrate 12 is a nonwoven fabric in which synthetic fibers 14 are entangled three-dimensionally and the entanglement points between the synthetic fibers 14 are bonded by a binder resin 16. The synthetic fiber 14 constituting the nonwoven fabric substrate 12 is not particularly limited as long as it is a synthetic fiber having a certain strength, but specifically, polyamide fiber, aramid fiber, polyester fiber, and vinylon fiber are used alone. These can be used in combination. Further, among these fibers, it is preferable to use polyamide fibers and vinylon fibers in consideration of the adhesiveness due to the binder resin 16. As the synthetic fiber 14, one having a fiber diameter in the range of 5 μm to 36 μm can be used. The desired fiber diameter is 5 111 to 30 111, and the more desirable fiber diameter is 5 μm to 27 μm. As long as the synthetic fiber 14 has a fiber diameter within this range, a single fiber diameter may be used, or a combination of fibers having different fiber diameters may be used.

[0010] The nonwoven fabric substrate 12 is produced using a cross web, a random web, a spunbond method, and a papermaking method. Among them, the cross-web and the random web that can give a thickness to the web from the point that clogging due to polishing scraps of the object to be polished is small, the heat dissipation is high, and the density control at the time of creating the polishing roll can be easily performed. Preferably it is made. Web In order to control the density of the web, apply a one-punch punch force to the web produced by these methods.

 [0011] As Noinda resin 16, SBR resin, NBR resin, acrylic ester, melamine resin, phenol resin, etc. can be used alone or in combination. Further, among these, it is preferable to use SBR resin or acrylate ester in that a nonwoven fabric substrate 12 having high flexibility can be produced. As a method for applying the binder resin 16, a known spraying method, dipping method, or the like can be used alone or in combination.

 [0012] The nonwoven fabric base 12 is fixed with a synthetic resin adhesive 20 in a state where abrasive grains 18 are dispersed and mixed therein. The abrasive grains 18 may be those generally used as abrasive grains, such as silicon carbide, acid aluminum, silica, acid chromium, cerium oxide, synthetic diamond, CBN (cubic nitriding). Boron), garnet, etc. can be used. As long as the grain size of the abrasive grains 18 is within a range that can be applied to the nonwoven fabric substrate 12, it is sufficient to select abrasive grains having an appropriate grain size according to the purpose of polishing!

 [0013] As the synthetic resin adhesive 20, synthetic resin adhesives such as phenol resin, epoxy resin, urethane resin, etc. can be used, but in terms of the fact that the abrasive grains 18 can sufficiently exhibit the polishing performance, It is preferable to use a resin alone, an epoxy resin alone, or a mixture of phenol resin and epoxy resin. The synthetic resin adhesive 20 is applied to the nonwoven fabric substrate 12 in a state where the abrasive grains 18 are dispersed and mixed. For the application, the dipping method or the dipping method and the spray method are used in combination. Is called.

 [0014] The nonwoven fabric abrasive 10 that is effective in the present invention has the above-described configuration, and even when a polished object having a small through hole such as a printed wiring board is polished, consumable debris generated from the nonwoven fabric abrasive is generated. In addition, since the size of the consumable waste is small, there is little clogging in the through hole of the workpiece.

FIG. 3 is a partially enlarged perspective view showing an embodiment of a polishing roll according to the present invention. The polishing roll 50 has a plurality of rectangular nonwoven fabric abrasives 10 arranged side by side, compressed and fixed in the juxtaposed direction, and the nonwoven fabric abrasive material 10a compressed and fixed is wound around a cylindrical core material 52. It is a polishing roll formed by impregnating a synthetic resin into a non-woven fabric abrasive material 10a that has been compression-fixed, and further fixing and unifying the non-woven fabric abrasive material 10 together. The nonwoven fabric abrasive 10 is used by changing the number of sheets as appropriate according to the intended use.

[0016] As the core material 52, a material formed in a cylindrical shape using a hard resin such as phenol resin is used.

 [0017] As the synthetic resin for bonding the nonwoven fabric abrasives 10, phenol resin, epoxy resin, urethane resin, foamed urethane resin, etc. can be used, but they are more elastic than phenol resin and epoxy resin. Since the followability of the polishing roll 50 to the object to be polished is good, it is preferable to use urethane resin, more preferably urethane foam resin. It should be noted that a resin that exhibits the same characteristics as those of the urethane foam resin described above can be used in the same manner even with a resin other than the foamed urethane resin.

 [0018] In the polishing roll 50 that is effective in the present invention, in addition to the effect exhibited by the nonwoven fabric abrasive 10, a new polishing layer comes out at the time of polishing, the polishing performance is sustained, and there is little scratch and uniform and constant roughness. It is possible to polish, and the clogging due to scraping of the work piece is less clogged. It has the effect of releasing the generated heat of polishing, so the work to be polished is provided with small through holes such as printed circuit boards. An object can be efficiently polished.

[0019] The manufacturing method of the polishing roll according to the present invention includes cutting the nonwoven fabric abrasive material 10 described in paragraphs 0009 to 0013 into a rectangular shape as shown in FIG. 4 As shown in (b), 95 to 20% compression-fixed in the juxtaposition direction (assuming that the dimension before compression is 100%), and as shown in Fig. 4 (c), the non-woven abrasive 10a is compressed into a cylinder. It is wound around a core material 52 and impregnated with a synthetic resin. Specifically, it is impregnated until the synthetic resin such as urethane rosin used in the above-mentioned embodiment penetrates uniformly. The impregnation operation may be performed either after compressing and fixing the nonwoven fabric abrasive material 10 cut into a rectangular shape or after pressing the nonwoven fabric abrasive material 10 compressed and fixed on the core material 52. As the impregnation method, the nonwoven fabric abrasive 10 is compressed and fixed, or the nonwoven fabric abrasive 10 is rubbed on the core material 52 and immersed in the resin solution or dropped from the top of the impregnated material. The work to be done is mentioned. In this operation, it is only necessary to uniformly impregnate the non-woven abrasive material that has been compression-fixed, and if the impregnated material that is the purpose of the operation is uniformly impregnated with the resin other than the work procedure or method described above. Work procedures or work methods other than those described above can be applied. Furthermore, the nonwoven fabric abrasive material 10 impregnated with synthetic resin can be released at room temperature to 60 ° C for 3 to 24 hours. It is formed by placing, fixing and integrating. If manufactured in such a procedure, the non-woven fabric abrasive 10 can be fixed and integrated with little density unevenness on the outer periphery of the core material 52, and the polishing unevenness of the object to be polished can be eliminated. The synthetic resin that has penetrated into the non-woven fabric abrasive 10 (specifically, the urethane foam used in the above embodiment) uniformly penetrates into the non-woven fabric abrasive so that the object to be polished can follow. Thus, it is possible to improve the properties of the polishing roll using the nonwoven fabric polishing material 10 of the present invention.

Note that the polishing roll according to the present invention is not limited to the above-described manufacturing method, and may be manufactured by other manufacturing methods. For example, as shown in FIG. 5, a plurality of nonwoven fabric abrasives 10 cut into a dough shape are pierced through the core material 52 and compressed 95 to 20% in the axial direction of the core material 52 (size before compression) To 100%) to form a roll. At that time, synthetic resin is impregnated. Specifically, it is impregnated until the synthetic resin such as urethane resin used in the above-mentioned embodiment penetrates uniformly. The impregnation operation is performed by inserting a plurality of non-woven abrasive materials 10 cut into donuts into the core material 52, or compressing and fixing 95 to 20% in the axial direction (with the uncompressed dimensions as 100%) and rolled. After forming, it may be done either way. As the impregnation method, a plurality of nonwoven fabric abrasives 10 cut into a donut shape are immersed in a resin solution in a state where they are pierced in 52 or 95 to 20% compressed and fixed in the axial direction of the core material 52. For example, the resin solution is dropped / spreaded from the top of the impregnated material. In this operation, it is sufficient that the non-woven abrasive material compressed and fixed is uniformly impregnated with the resin, and the resin to be impregnated can be uniformly applied to the object to be impregnated other than the above-described work procedure or method. If impregnated, work procedures or work methods other than those mentioned above can be applied. Further, it is formed by leaving the nonwoven fabric abrasive at room temperature to 60 ° C. for 3 to 24 hours, and fixing and uniting. As another specific example, a long nonwoven fabric abrasive is rubbed onto the outer peripheral surface of the core material 52, and it is formed into a roll by 95 to 20% compression fixation (with the dimension before compression being 100%). The At that time, a synthetic resin, which is one example of a specific embodiment, is impregnated with urethane resin until the resin uniformly penetrates. The impregnation work can be performed after either a long non-woven fabric abrasive is applied on the outer peripheral surface of the core 52 or after it is formed into a roll by 95 to 20% compression fixation (size before compression is 100%). You may go on. As the impregnation method, the impregnation operation is performed by winding a long non-woven cloth abrasive material on the outer peripheral surface of the core material 52 or compressing and fixing 95 to 20% (before compression) In this state, the resin is immersed in a resin solution in a state of being formed into a roll, or the resin solution is dropped from the top of the impregnated material. In this operation, it is sufficient that the non-woven abrasive material that has been compression-fixed is uniformly impregnated with the resin, and the object to be impregnated is uniformly impregnated with the resin other than the above-described work procedure or method. Then, work procedures or work methods other than those listed above can be applied.

 [0021] Further, the nonwoven fabric abrasive is formed by standing at room temperature to 60 ° C for 3 to 24 hours, and fixing and integrally bonding (see Fig. 6).

 Example 1

[0022] fineness 6. 6 dtex (thickness 27 mu m) nylon 6 fiber 50 weight 0/0, the proportion of 50 wt% nylon 6 fiber having a single fiber fineness 3. 3dte X (thickness 19 m) And a cross web having a basis weight of 115 gZ m 2 was prepared. SBR resin as a binder resin was sprayed and adhered from both sides by a spray method. At this time, the SBR resin was sprayed so as to have a dry solid content of 30 g / m 2 . Thereafter, the cloth web was subjected to a drying treatment to produce a nonwoven fabric substrate 12. Next, a non-woven fabric substrate 12 having a dry solid content of 275 gZm 2 is prepared by mixing a slurry of phenol resin, which is a synthetic resin adhesive 20, and # 700 silicon carbide, which is an abrasive barrel 18, with a solid ratio of 100 Z230. The nonwoven fabric abrasive 10 was obtained by dipping so as to adhere. Next, 165 sheets of this nonwoven fabric abrasive material 10 cut into a 40 x 640 mm rectangle were compressed and fixed 24%, and the nonwoven fabric abrasive material 10a compressed and fixed was foamed urethane foam, which is a synthetic resin. 150 x 610 x 76.2mm, impregnated with resin, wound around the outer periphery of the core material 52, and allowed to stand at room temperature for 12 hours to fix the nonwoven fabric abrasives 10 together. A polishing roll 50 was prepared.

 (Comparative Example 1)

Using a nylon 6 fiber with a single yarn fineness of 16dtex (thickness 42 μm) and a fiber aggregate (random web) with a basis weight of 115gZm 2 , SBR resin is sprayed on both sides and dried. Solid content 30g, m 2 was applied to prepare a nonwoven fabric substrate 12. Next, a slurry prepared by adjusting phenolic resin and abrasive powder (silicon carbide, # 700) to a solid ratio of 100Z230 was adhered to this nonwoven fabric substrate to a dry solid content of 275 gZm 2 to obtain a nonwoven fabric abrasive.

[0023] This non-woven abrasive material 10 was cut into a 40 X 640 mm rectangular shape using 136 sheets 26 % Compressed and fixed core material 52 Adhesive is applied on the outer peripheral surface, and the non-woven fabric abrasive material 53 compressed and fixed is radially disposed thereon, and a 150 x 610 x 76.2 mm abrasive roll 50 Was made.

 [0024] Using Example 1 and Comparative Example 1, the printed wiring board was polished under the following conditions, the particle size distribution measurement of consumable waste generated from each of them and the confirmation of hole clogging generated in the printed wiring board were performed. Confirmed.

[0025] <Polishing conditions>

 Workpiece 1: Perforated copper foil substrate: Width 410 X Depth 510 X Thickness 0.8 mm, Through hole: φ

0. 3 through holes are 21316 holes

 Workpiece 2: Perforated copper foil substrate: Width 410 X Depth 510 X Thickness 0.8 mm, Through hole: φ 0.25 through hole force 1316 hole

 Polishing machine: Flat grinding machine Polishing wheel rotation speed: 18000rpm

 Feed amount: 2mZmin

 Oscillation: 470cpm

 In order to collect consumable debris, the movement of one end of the work piece 1 to the other end on the opposite side is taken as one pass, and the consumable debris is retained 20 μm on average during the 181st pass force during the 200th pass. The sample was collected with a coolant filter. The collected consumable debris was passed through each sieve and the weight of the consumable debris remaining on each sieve was measured. Table 1 shows the measurement results. In addition, in order to confirm the clogging of the through hole due to the wear debris, the clogging was visually confirmed after passing the polishing roll for one pass under the same conditions as described above. Table 2 shows the results of hole clogging.

[0026] [Table 1] Male example 1 Series 1

 Sieve opening

 Against the imperial warrior

 (m)

 (mg) ratio (%) (mg) ratio (%)

 500 L h 22 3.3 36.4 17.8

 425 0.1 0.2 8.6 4.2

300 2.4 3.6 32.6 15.9

212 10.4 15.7 50.6 24.7

180 8.0 12.1 22.8 11.1

150 11.5 17.4 20.8 10.2

125 18.0 27.2 16.8 8.2

106 9.9 15.0 11.7 5.7

106 or less 3.7 5.6 4.4 2.1

 Mouth 66.2 100.0 204.7 100.0

[0027] [Table 2]

 As is apparent from the values in Table 1, the amount of collected consumable waste is reduced to about 1Z3 in the example compared to Comparative Example 1. Moreover, in Comparative Example 1, the peak of the residual weight of the collected consumable residue is about 212 m, whereas in Example 1, the peak is around 125 m. From this, it was confirmed that in Example 1, the size of the consumable residue was smaller than that of the conventional polishing roll. Further, as is clear from Table 2, it was confirmed that the hole clogging location was reduced by 50% or more in both the polished object 1 and the polished object 2 as compared with Comparative Example 1.

 Industrial applicability

[0028] The polishing roll of the present invention reduces non-woven fabric abrasives and consumable debris generated by polishing roll force when polishing an object having a small hole such as a through hole of a printed wiring board, thereby reducing hole clogging. By doing so, it can be expected to improve the yield.

Claims

The scope of the claims
 [1] Synthetic fibers are entangled in a three-dimensional manner, and abrasive grains are dispersed and mixed into a nonwoven fabric base material obtained by adhering the entanglement points of the synthetic fibers with a binder resin. It is a polishing roll using a nonwoven fabric abrasive fixed by using,
 A polishing roll using a nonwoven fabric abrasive in which the synthetic fiber has a fiber diameter of 5 μm to 36 μm.
 [2] The nonwoven fabric abrasive has a rectangular shape, and a plurality of the nonwoven fabric abrasives are juxtaposed, compressed and fixed in the juxtaposed direction, and wound around a cylindrical core material. 2. The polishing roll according to claim 1, wherein the polishing roll is formed by impregnating a woven cloth abrasive with a synthetic resin, and further fixing and integrally bonding the non-woven cloth abrasive.
 [3] Compress in the juxtaposition direction at a rate of 95-20%, and fix the non-woven cloth abrasive material impregnated with the synthetic resin by leaving it at room temperature to 60 ° C for 3-24 hours. The method for producing a polishing roll according to claim 2, which is integrated.
 [4] The nonwoven fabric abrasive material is doughnut-shaped, and the nonwoven fabric abrasive material is pierced into a plurality of core materials and compressed and fixed in the axial direction of the core material, and the nonwoven fabric abrasive material is impregnated with a synthetic resin, 2. The polishing roll according to claim 1, wherein the polishing roll is formed by fixing and unifying the nonwoven fabric abrasive.
 [5] The core material is compressed in the axial direction at a rate of 95-20% and fixed by leaving the nonwoven fabric impregnated with the synthetic resin at room temperature to 60 ° C for 3-24 hours. 5. The method for producing a polishing roll according to claim 4, wherein the polishing rolls are integrated.
 [6] The non-woven fabric abrasive is elongated, and the non-woven fabric abrasive is rubbed against a core and compressed and fixed to a cylindrical core, and the non-woven fabric abrasive is impregnated with a synthetic resin. 2. The polishing roll according to claim 1, wherein the polishing roll is formed by fixing and unifying the nonwoven fabric abrasive.
 [7] The compression is performed at a rate of 95 to 20%, and the nonwoven fabric abrasive material impregnated with the synthetic resin is allowed to stand for 3 to 24 hours at room temperature to 60 ° C to be fixed and integrated. Item 7. A method for producing a polishing roll according to Item 6.
[8] The synthetic resin is urethane resin or foamed urethane resin, any one of claims 1 to 7 A polishing roll according to claim 1.
 9. The polishing roll according to claim 1, wherein the synthetic resin adhesive is an epoxy resin, a phenol resin, or a mixture of an epoxy resin and a phenol resin.
PCT/JP2007/060880 2006-05-29 2007-05-29 Polishing roll and method for manufacturing the polishing roll WO2007139097A1 (en)

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TW200817137A (en) 2008-04-16
CN101454123A (en) 2009-06-10

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