ENTRY SHEET FOR DRILLING AND METHOD FOR DRILLING PROCESSING USING SAME
An entry sheet for drilling comprising: a metallic foil; and a layer of a resin composition on at least one surface of the metallic foil, the resin composition comprising a polyolefin resin (A) and a water-soluble resin (B), wherein a content of the polyolefin resin (A) is 25 parts by mass or more a...
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creator | MATSUYAMA, Yousuke KAMEI, Takayuki OGASHIWA, Takaaki |
description | An entry sheet for drilling comprising: a metallic foil; and a layer of a resin composition on at least one surface of the metallic foil, the resin composition comprising a polyolefin resin (A) and a water-soluble resin (B), wherein a content of the polyolefin resin (A) is 25 parts by mass or more and 50 parts by mass or less based on 100 parts by mass of the total of the polyolefin resin (A) and the water-soluble resin (B), a content of the water-soluble resin (B) is 50 parts by mass or more and 75 parts by mass or less based on 100 parts by mass of the total of the polyolefin resin (A) and the water-soluble resin (B), and the water-soluble resin (B) comprises a high-molecular-weight water- soluble resin (B-1) having a weight average molecular weight of 2 x 105 or higher and 1.5 x 106 or lower. Figure 1 |
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Figure 1</abstract><oa>free_for_read</oa></addata></record> |
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subjects | BORING CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CUTTING CUTTING-OUT ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HAND CUTTING TOOLS MACHINE TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORATING PERFORMING OPERATIONS PRINTED CIRCUITS PUNCHING SEVERING SEVERING BY MEANS OTHER THAN CUTTING STAMPING-OUT TRANSPORTING TURNING |
title | ENTRY SHEET FOR DRILLING AND METHOD FOR DRILLING PROCESSING USING SAME |
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