Title:
ENTRY SHEET FOR DRILLING HOLES, AND HOLE DRILLING METHOD IN WHICH SAID SHEET IS USED
Document Type and Number:
WIPO Patent Application WO/2017/038867
Kind Code:
A1
Abstract:
An entry sheet for drilling holes, having a metal foil and a layer of a resin composition containing a polyolefin resin (A) and a water-soluble resin (B) on at least one surface of the metal foil. The polyolefin resin (A) content is 25-50 mass parts to a total of 100 mass parts of the polyolefin resin (A) and the water-soluble resin (B). The water-soluble resin (B) content is 50-75 mass parts to a total of 100 mass parts of the polyolefin resin (A) and the water-soluble resin (B). The water-soluble resin (B) contains a high-molecular-weight water-soluble resin (B-1) having a weight-average molecular weight of 2 × 105 to 1.5 × 106 or less.
Inventors:
KAMEI TAKAYUKI (JP)
MATSUYAMA YOUSUKE (JP)
OGASHIWA TAKAAKI (JP)
MATSUYAMA YOUSUKE (JP)
OGASHIWA TAKAAKI (JP)
Application Number:
PCT/JP2016/075472
Publication Date:
March 09, 2017
Filing Date:
August 31, 2016
Export Citation:
Assignee:
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
B26F1/16; B23B41/00; B23B47/00; C10M107/00; C10M107/02; C10M107/28; H05K3/00; C10M107/04; C10M107/34; C10M107/36; C10M107/40; C10N20/00; C10N20/04; C10N30/00; C10N40/00; C10N50/02
Domestic Patent References:
| WO2013146612A1 | 2013-10-03 | |||
| WO2012091179A1 | 2012-07-05 |
Foreign References:
| JP2012178550A | 2012-09-13 | |||
| JP2001347602A | 2001-12-18 | |||
| JP2011183548A | 2011-09-22 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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