Title:
MULTILAYERED TUBE FOR TRANSPORTING LIQUID MEDICINE AND POLYAMIDE RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/104531
Kind Code:
A1
Abstract:
A multilayered tube for transporting a liquid medicine which comprises an outermost layer and an innermost layer, said innermost layer containing a polyamide (A), an impact resistance improver (B) and a carbon nanotube (C), wherein, on the surface of the innermost layer, convex portions having a height of 5 μm or more and a longitudinal width of 20 μm or more are present at a density of not more than 2/mm2 of the surface area and, on a cross-section of the innermost layer, aggregates having a longitudinal width of 5 μm or more are present at a density not more than 15/mm2 of the cross-sectional area; and a polyamide resin composition constituting the innermost layer of the multilayered tube for transporting a liquid medicine.
Inventors:
TAZAKI GO (JP)
HASEGAWA TOSHIAKI (JP)
HASEGAWA TOSHIAKI (JP)
Application Number:
PCT/JP2015/085874
Publication Date:
June 30, 2016
Filing Date:
December 22, 2015
Export Citation:
Assignee:
KURARAY CO (JP)
International Classes:
F16L11/06; B32B1/08; B32B27/18; B32B27/32; C08K3/04; C08L77/06; F16L11/127
Domestic Patent References:
| WO2012098840A1 | 2012-07-26 | |||
| WO2005102694A1 | 2005-11-03 | |||
| WO2013125280A1 | 2013-08-29 |
Foreign References:
| JP2008179753A | 2008-08-07 | |||
| JP2004250707A | 2004-09-09 | |||
| JP2010162788A | 2010-07-29 | |||
| US20100112256A1 | 2010-05-06 |
Other References:
See also references of EP 3239579A1
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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